CALTRANS SEISMIC DESIGN CRITERIA PDF



Caltrans Seismic Design Criteria Pdf

Performance‐Based Seismic Bridge Design. This pdf file is prepared as a sample of PDF file we will prepare for you and you can download it for free on DocDatabase.NET. You can view this CALTRANS SEISMIC DESIGN CRITERIA VERSION …, The California Transportation Department (Caltrans) has a large number of highway bridges and many of them are slab bridges. Slab bridges are structures where the pile works as a pile under the soil level and as a column above the soil level..

Development of the Caltrans Deterministic PGA Map and

Moment curvature and cracked moment of inertia Mohamed. After an overview of the development of U.S. seismic design specifications for highway bridges an evaluation of current Caltrans and AASHTO seismic criteria is presented., The idealized curve is obtained as per Caltrans Seismic Design Criteria [2]. The idealized Mp on the previous page is determined as specified in Caltrans Seismic.

STRUCTURAL ENGINEERING AND GEOMECHANICS - Seismic Design of Steel Bridges - Lian Duan Performance-based Seismic Design Criteria 3.1. Caltrans Seismic Performance Criteria Table 1 outlines Caltrans seismic performance criteria including the bridge classification and the service and damage level established. Bridges are categorized as “Important” or “Ordinary”. For Standard seismic design criteria seismic design criteria • april 2013 • version 1.7

17/11/2010 · 1.2 Type of Components Addressed in the SDC 1-2 1.3 Bridge Systems 1-3 1.4 Local and Global Behavior 1-4 Caltrans Seismic Design Criteria Caltrans Guide Specifications for Seismic Design of Steel Bridges AASHTO thLRFD Bridge Design Specifications, 5 Edition AASHTO LRFD Guide Specifications for Design of Pedestrian Bridges AASHTO Guide Manual for Condition Evaluation and Load and Resistance Factor Rating (LRFR) of Highway Bridges Caltrans Bridge Memo to Designers Caltrans Bridge Design …

Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic criteria that had been previously documented in a variety of Caltrans documents.

seismic design. The 1941, 1944, and 1949 editions of the AASHO code mentioned seismic loading, but simply stated that structures shall be proportioned for earthquake stress-es. Those codes gave no guidance or criteria as to how the earthquake forces were to be determined or applied to the structure. The California Department of Transportation (Caltrans) was the first organization within the • State of California Department of Transportation (CALTRANS) Standard Specification • California Energy Commission - Recommended Seismic Design Criteria for …

(CALTRANS) seismic design criteria (SDC) for shear keys in "ordinary" bridges limit the capacity of shear keys to be smaller than 30% of the dead load vertical reaction at the abutment and Seismic loading is defined per Caltrans Seismic Design Criteria(2004) [6] to be the 5%-damped response spec-W.-S. Kim et al. 366 trum of Magnitude 7.25, 0.7g acceleration and soil profile C. The horizontal response spectra for acceleration and displacement are shown in Figure 6. This earthquake is considered to be the Maximum Earthquake. Calcu- lations are performed only for this earthquake

AASHTO T-3 TRIAL DESIGN BRIDGE DESCRIPTION State: California Trial Design Designation: CA-1 Significant differences from Caltrans Seismic Design Criteria (SDC) version 1.4 will be noted where applicable. This is a three span Prestressed Reinforced Concrete Box Girder bridge. The span lengths are 126 ft, 168 ft and 118 ft. The column height varies from 44 ft at Bent 2 to 47 ft at Bent 3 spring with parameters based on Caltrans' Seismic Design Criteria (2004). For the For the selected abutments, the initial stiffness and ultimate resistance used were 164,300

The study of Kawashima and Aizawa (1986) was adopted in Caltrans Seismic Design Criteria (2010) (Equation 5). However, Equation (5) is applicable for damping ratio 5%≤ ξ ≤10%. A design example using the Caltrans seismic design criteria is presented here. A grade separation project is located in a seismically active region in southern California. Based on the Caltrans ARS Online tool, the nearest fault is the Peralta Hills fault (No.146), approximately 2.7

Seismic Design of Adjacent Rail Bridges in Deep Liquefiable Soils Kelly Burnell, PE, Kleinfelder, San Diego, CA Ebrahim Amirihormozaki, PhD, PE, Kleinfelder, San Diego, CA Caltrans Office of Earthquake Engineering (OEE) is responsible for developing bridge seismic design and retrofit criteria in California. We also develop seismic criteria for tunnels, retaining walls, and

Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic criteria that had been previously documented in a variety of Caltrans documents. The current Caltrans Seismic Design Criteria & Appendix B, and Memos to Designer (MTD) Section 20 shall be the basis for specifying the minimum seismic design requirements for Ordinary Standard Bridges (defined in SDC Section 1.1).

SEISMIC DESIGN CRITERIA • JUNE 2006 † VERSION 1.4 SEISMIC DESIGN CRITERIA 7-1 7. DESIGN 7.1 Frame Design The best way to increase a structure’s likelihood of responding to seismic attack in its fundamental mode of vibration Download file Free Book PDF Design Foundation Manual Questions at Complete PDF Library. This Book have some digital formats such us : paperbook, ebook, kindle, epub, and another formats. Here is The Complete PDF Book Library. It's free to register here to get Book file PDF Design Foundation Manual Questions. Seismic Design Criteria Caltrans California Department December 7th, 2018 - …

Enhancing Seismic Design Criteria for Our Nation's

caltrans seismic design criteria pdf

Jason T. DeJong Ph.D. University of California Davis E. THE CONTINUING CHALLENGE THE NORTHRIDGE EARTHQUAKE OF]A UARY 17, 1994 Report to the Director, California Department ofTransportation by the Seismic Advisory Board, The seismic performance criteria in the design codes are a basis of design for earthquake resistance of structures. Comparisons of the seismic performance criteria of highway bridge design.

CALTRANS+Seismic+Design+Criteria V1.5(2010.11) Strength. Caltrans Seismic Design Criteria is for version 1.4. Requirements based on Caltrans Amendments to AASHTO LRFD and Caltrans Seismic Design Criteria are highlighted for clarification. LRFD DESIGN OF CALIFORNIA BRIDGES SHEET 1-1 OF JOB TITLE BENT DESIGN ORIGINATOR Bob Matthews DATE 10/19/2007 JOB No. CALCULATION No. REVIEWER DATE SECTION 1.0 BENT …, Caltrans Seismic Design Criteria is for version 1.4. Requirements based on Caltrans Amendments to AASHTO LRFD and Caltrans Seismic Design Criteria are highlighted for clarification. LRFD DESIGN OF CALIFORNIA BRIDGES SHEET 1-1 OF JOB TITLE BENT DESIGN ORIGINATOR Bob Matthews DATE 10/19/2007 JOB No. CALCULATION No. REVIEWER DATE SECTION 1.0 BENT ….

Moment curvature and cracked moment of inertia Dashboard

caltrans seismic design criteria pdf

Caltrans Seismic Design Criteria Ultimate Tensile. Caltrans and AASHTO highway bridge criteria focus on collapse prevention during an extreme seismic event, and allow or require substantial damage to occur as part of the mechanism resisting extreme THE CONTINUING CHALLENGE THE NORTHRIDGE EARTHQUAKE OF]A UARY 17, 1994 Report to the Director, California Department ofTransportation by the Seismic Advisory Board.

caltrans seismic design criteria pdf

  • Enhancing Seismic Design Criteria for Our Nation's
  • Double deck bridge behavior and failure mechanism under
  • Seismic Design of Adjacent Rail Bridges in Deep

  • Moment curvature and cracked moment of inertia The purpose of this test problem is to explain the meaning of various parameters reported for the moment curvature curve and illustrate how is the cracked moment of inertia calculated. The moment curvature analysis … document the results for Caltrans Seismic Design Criteria. Designing Bridges Crossing Earthquake Faults Developing practical analysis procedures to estimate bridge rupture response to seismic activity MARCH 2013 Project Title: Bridge Design for Earthquake Fault Crossings: Synthesis of Design Issues and Strategies Task Number: 2177 Completion Date: May 31, 2012 This project verified the

    • New (updated) Science – Design values are based on the USGS updates of the National Seismic Hazard Maps: – National Seismic Hazard Maps provide updated estimates of The Caltrans Seismic Design Criteria (SDC) specifies the minimum seismic design requirements that are necessary to meet the performance goals for ordinary bridges. When the Design Seismic Hazards occur, ordinary bridges designed per these specifications are expected to remain standing but may suffer

    Caltrans initiated revisions in its seismic design criteria within weeks and began development of new criteria for future bridge designs, that eventually came out in 1973. California High-Speed Train Project Design Criteria Chapter 11 – Seismic Page 11-2 December 07, 2012, Rev. 0.1 1 Caltrans Bridge Design Specification (CBDS): American Association of State Highway

    Seismic Design Criteria for California Bridges: Provisional Recommendations, which was formatted in 2 columns to provide recommended changes to Caltrans’ design pro- Design Criteria using standard deterministic methods. There are many issues to be considered with regard to site seismicity including deterministic and probabilistic seismic events, attenuation methods, near fault influences, performance

    The Caltrans Seismic Design Criteria (SDC) specify the minimum seismic design requirements that are necessary to meet the performance goals established for Ordinary bridges in Memo to Designers (MTD) 20-1. The SDC is a compilation of new seismic design criteria and existing seismic design criteria CALTRANS SEISMIC DESIGN CRITERIA SEISMIC DESIGN .pdf - 17 downloads sdc.pdf - Feb 3, 2004 The Caltrans Seismic Design Criteria (SDC) specify the minimum 1 Caltrans Design Manuals: Bridge Design Specifications, Memo To

    according to the 2004 Caltrans Seismic Design Criteria (SDC), Section 1.1. Some general recommendations can be extended to Ordinary Nonstandard Bridges and Important Bridges, where more rigorous and advanced nonlinear analysis is required due to geometric irregularities of the bridge structure, including curves and skew, long spans or significant total length, multiple expansion joints (AASHTO) adopted Caltrans criteria for the seismic design of highway bridges. In 1978, In 1978, recognizing the need for national criteria that should include the effect of earthquakes that

    • New (updated) Science – Design values are based on the USGS updates of the National Seismic Hazard Maps: – National Seismic Hazard Maps provide updated estimates of After an overview of the development of U.S. seismic design specifications for highway bridges an evaluation of current Caltrans and AASHTO seismic criteria is presented.

    Ady A, Mackie RK and Božidar S (2008), “Guidelines for Nonlinear Analysis of Bridge Structures in California,” PEER Report 2008/03, Pacific Earthquake Engineering Research Centre, College of Engineering, University of California, Berkeley. Caltrans Seismic Design Criteria parameters Cracked moment of inertia, I cr, may be determined from curvature at first yield of reinforcing. ( ) 5480 in4

    MODERN SEISMIC DESIGN CRITERIA AND USE OF GIS Caltrans continuously improves its standards and practices and seismic hazard analysis is no exception. (AASHTO) adopted Caltrans criteria for the seismic design of highway bridges. In 1978, In 1978, recognizing the need for national criteria that should include the effect of earthquakes that

    Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic

    GUIDE SPECIFICATIONS FOR SEISMIC DESIGN OF STEEL BRIDGES

    caltrans seismic design criteria pdf

    AASHTO T-3 TRIAL DESIGN BRIDGE DESCRIPTION. Seismic loading is defined per Caltrans Seismic Design Criteria(2004) [6] to be the 5%-damped response spec-W.-S. Kim et al. 366 trum of Magnitude 7.25, 0.7g acceleration and soil profile C. The horizontal response spectra for acceleration and displacement are shown in Figure 6. This earthquake is considered to be the Maximum Earthquake. Calcu- lations are performed only for this earthquake, The Caltrans Seismic Design Criteria (SDC) specifies the minimum seismic design requirements that are necessary to meet the performance goals for ordinary bridges. When the Design Seismic Hazards occur, ordinary bridges designed per these specifications are expected to remain standing but may suffer.

    CALTRANS SEISMIC DESIGN CRITERIA VERSION 1.7 APRIL

    Recent Changes to Seismic Design Practice in California. design guidelines adopt the design philosophy that “there should not be leakage of oil or gas after the seismic event and the operation should be resumed shortly after minor repairs”. Hazard assessment is another important step in seismic analysis., Caltrans Office of Earthquake Engineering (OEE) is responsible for developing bridge seismic design and retrofit criteria in California. We also develop seismic criteria for tunnels, retaining walls, and.

    STRUCTURAL ENGINEERING AND GEOMECHANICS - Seismic Design of Steel Bridges - Lian Duan Performance-based Seismic Design Criteria 3.1. Caltrans Seismic Performance Criteria Table 1 outlines Caltrans seismic performance criteria including the bridge classification and the service and damage level established. Bridges are categorized as “Important” or “Ordinary”. For Standard The seismic performance criteria in the design codes are a basis of design for earthquake resistance of structures. Comparisons of the seismic performance criteria of highway bridge design

    The study of Kawashima and Aizawa (1986) was adopted in Caltrans Seismic Design Criteria (2010) (Equation 5). However, Equation (5) is applicable for damping ratio 5%≤ ξ ≤10%. 1973, the California Department of Transportation (Caltrans) developed new seismic design criteria related to site, seismic response of the soils at the site, and the dynamic characteristics of bridges.

    3/01/2004 · caltrans. caltrans seismic design criteria criteria version 1.3 1.3 february 2004 2004 seismic design criteria • february 2004 • version 1.3 The Caltrans Seismic Design Criteria (SDC) specifications require that the diameter of the Type II shaft be at least 2 feet larger than the cross-section dimension of the column.

    The Caltrans Seismic Design Criteria (SDC) specifies the minimum seismic design requirements that are necessary to meet the performance goals for ordinary bridges. When the Design Seismic Hazards occur, ordinary bridges designed per these specifications are expected to remain standing but may suffer Caltrans Seismic Design Criteria is for version 1.4. Requirements based on Caltrans Amendments to AASHTO LRFD and Caltrans Seismic Design Criteria are highlighted for clarification. LRFD DESIGN OF CALIFORNIA BRIDGES SHEET 1-1 OF JOB TITLE BENT DESIGN ORIGINATOR Bob Matthews DATE 10/19/2007 JOB No. CALCULATION No. REVIEWER DATE SECTION 1.0 BENT …

    Download file Free Book PDF Design Foundation Manual Questions at Complete PDF Library. This Book have some digital formats such us : paperbook, ebook, kindle, epub, and another formats. Here is The Complete PDF Book Library. It's free to register here to get Book file PDF Design Foundation Manual Questions. Seismic Design Criteria Caltrans California Department December 7th, 2018 - … Design) provisions are based on seismic hazard, design criteria and detailing provisions, that are now considered at least 10 years and in many cases nearly 20 years out-of-date.

    The Caltrans Seismic Design Criteria (SDC) specify the minimum seismic design requirements that are necessary to meet the performance goals established for Ordinary bridges in Memo to Designers (MTD) 20-1. The SDC is a compilation of new seismic design criteria and existing seismic design criteria The seismic design criteria for Ordinary Standard bridges are contained in the Caltrans Seismic Design Criteria (SDC). The seismic design criteria for Important bridges and Ordinary Non­ standard bridges shall be developed by the project design team on a case-by-case basis. and approved by OSD management. The project specific criteria must establish the design parameters required to meet …

    (AASHTO) adopted Caltrans criteria for the seismic design of highway bridges. In 1978, In 1978, recognizing the need for national criteria that should include the effect of earthquakes that This pdf file is prepared as a sample of PDF file we will prepare for you and you can download it for free on DocDatabase.NET. You can view this CALTRANS SEISMIC DESIGN CRITERIA VERSION …

    5/01/2010 · INTRODUCTION The Caltrans Seismic Design Criteria (SDC) specify the minimum seismic design requirements that are necessary to meet the performance goals established for Ordinary bridges in Memo To Designer (MTD) 20-1. The SDC is a compilation of new seismic design criteria and existing seismic design criteria previously documented in various locations. Designers should refer to the OSD design Ady A, Mackie RK and Božidar S (2008), “Guidelines for Nonlinear Analysis of Bridge Structures in California,” PEER Report 2008/03, Pacific Earthquake Engineering Research Centre, College of Engineering, University of California, Berkeley.

    The Caltrans Seismic Design Criteria (SDC) specifications require that the diameter of the Type II shaft be at least 2 feet larger than the cross-section dimension of the column. The Caltrans Seismic Design Criteria (SDC) specifies the minimum seismic design requirements that are necessary to meet the performance goals for ordinary bridges. When the Design Seismic Hazards occur, ordinary bridges designed per these specifications are expected to remain standing but may suffer

    Seismic loading is defined per Caltrans Seismic Design Criteria(2004) [6] to be the 5%-damped response spec-W.-S. Kim et al. 366 trum of Magnitude 7.25, 0.7g acceleration and soil profile C. The horizontal response spectra for acceleration and displacement are shown in Figure 6. This earthquake is considered to be the Maximum Earthquake. Calcu- lations are performed only for this earthquake CALTRANS SEISMIC DESIGN CRITERIA SEISMIC DESIGN .pdf - 17 downloads sdc.pdf - Feb 3, 2004 The Caltrans Seismic Design Criteria (SDC) specify the minimum 1 Caltrans Design Manuals: Bridge Design Specifications, Memo To

    Design) provisions are based on seismic hazard, design criteria and detailing provisions, that are now considered at least 10 years and in many cases nearly 20 years out-of-date. The current Caltrans Seismic Design Criteria & Appendix B, and Memos to Designer (MTD) Section 20 shall be the basis for specifying the minimum seismic design requirements for Ordinary Standard Bridges (defined in SDC Section 1.1).

    17/11/2010 · 1.2 Type of Components Addressed in the SDC 1-2 1.3 Bridge Systems 1-3 1.4 Local and Global Behavior 1-4 on the seismic design recommended by Caltrans (Caltrans Seismic Design Criteria) regulation was investigated on multiple conventional bridges. The results of this study showed that Caltrans regulations have a poor accuracy and cannot account for the changes made by the vertical ground motion component in the axial force of column and the mid-span moment. Rahayi & Arezumandi [4] studied …

    The Caltrans Seismic Design Criteria (SDC) specify the minimum seismic design requirements that are necessary to meet the performance goals established for Ordinary bridges in Memo to Designers (MTD) 20-1. The SDC is a compilation of new seismic design criteria and existing seismic design criteria Caltrans initiated revisions in its seismic design criteria within weeks and began development of new criteria for future bridge designs, that eventually came out in 1973.

    seismic design. The 1941, 1944, and 1949 editions of the AASHO code mentioned seismic loading, but simply stated that structures shall be proportioned for earthquake stress-es. Those codes gave no guidance or criteria as to how the earthquake forces were to be determined or applied to the structure. The California Department of Transportation (Caltrans) was the first organization within the Download file Free Book PDF Design Foundation Manual Questions at Complete PDF Library. This Book have some digital formats such us : paperbook, ebook, kindle, epub, and another formats. Here is The Complete PDF Book Library. It's free to register here to get Book file PDF Design Foundation Manual Questions. Seismic Design Criteria Caltrans California Department December 7th, 2018 - …

    Ady A, Mackie RK and Božidar S (2008), “Guidelines for Nonlinear Analysis of Bridge Structures in California,” PEER Report 2008/03, Pacific Earthquake Engineering Research Centre, College of Engineering, University of California, Berkeley. Seismic loading is defined per Caltrans Seismic Design Criteria(2004) [6] to be the 5%-damped response spec-W.-S. Kim et al. 366 trum of Magnitude 7.25, 0.7g acceleration and soil profile C. The horizontal response spectra for acceleration and displacement are shown in Figure 6. This earthquake is considered to be the Maximum Earthquake. Calcu- lations are performed only for this earthquake

    5/01/2010 · INTRODUCTION The Caltrans Seismic Design Criteria (SDC) specify the minimum seismic design requirements that are necessary to meet the performance goals established for Ordinary bridges in Memo To Designer (MTD) 20-1. The SDC is a compilation of new seismic design criteria and existing seismic design criteria previously documented in various locations. Designers should refer to the OSD design This document, “Seismic Retrofit Design Criteria” (SRDC), specifies requirements for seismic assessment and retrofit design of bridges in British Columbia. It emphasizes structural aspects of seismic performance, incl uding the effects on structures arising from liquefaction and seismically induced ground deformations. This document does not address other potential risks, such as

    After an overview of the development of U.S. seismic design specifications for highway bridges an evaluation of current Caltrans and AASHTO seismic criteria is presented. This document, “Seismic Retrofit Design Criteria” (SRDC), specifies requirements for seismic assessment and retrofit design of bridges in British Columbia. It emphasizes structural aspects of seismic performance, incl uding the effects on structures arising from liquefaction and seismically induced ground deformations. This document does not address other potential risks, such as

    AASHTO T-3 TRIAL DESIGN BRIDGE DESCRIPTION

    caltrans seismic design criteria pdf

    ATC-32-1 Improved Seismic Design Criteria for California. BRIDGE SEISMIC DESIGN SPECIFICATIONS (PACKAGE A) 5-1 CHAPTER 5 CHRONOLOGY OF BRIDGE SEISMIC DESIGN SPECIFICATIONS 5.1 Introduction Although the DPWH has its own “Design Guidelines, Criteria and Standards for Public Works and Highways” which was first published in 1982, the seismic provisions of this guidelines has been outdated by recent earthquake events in …, The study of Kawashima and Aizawa (1986) was adopted in Caltrans Seismic Design Criteria (2010) (Equation 5). However, Equation (5) is applicable for damping ratio 5%≤ ξ ≤10%..

    Design Foundation Manual Questions PDF smarty.incutio.com. Methodology for developing design response spectrum for use in seismic design recommendations. november 2012. division of engineering services .., • State of California Department of Transportation (CALTRANS) Standard Specification • California Energy Commission - Recommended Seismic Design Criteria for ….

    CALTRANS SEISMIC DESIGN CRITERIA CORE

    caltrans seismic design criteria pdf

    PART 2 BRIDGE SEISMIC DESIGN SPECIFICATIONS (PACKAGE A). design guidelines adopt the design philosophy that “there should not be leakage of oil or gas after the seismic event and the operation should be resumed shortly after minor repairs”. Hazard assessment is another important step in seismic analysis. California High-Speed Train Project Design Criteria Chapter 11 – Seismic Page 11-2 December 07, 2012, Rev. 0.1 1 Caltrans Bridge Design Specification (CBDS): American Association of State Highway.

    caltrans seismic design criteria pdf

  • Major Earthquakes in California and the Development of
  • Chapter 37 Seismic Design Philosophies and Performance
  • SEISMIC RETROFIT DESIGN CRITERIA gov.bc.ca

  • Specification, Caltrans Seismic Design Criteria, AISC, ACI, Caltrans Trenching and Shoring Manual. Steel Penstocks (Manual of Practice No. 79) by Task Caltrans - Trenching and Shoring Manual 2011 9-1 ANCHOR BLOCK Sloping Ground The following. CALTRANS Trenching and shoring manual example for 50ft deep excavation Caltrans method with negative wall moments for 50ft deep … spring with parameters based on Caltrans' Seismic Design Criteria (2004). For the For the selected abutments, the initial stiffness and ultimate resistance used were 164,300

    Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic • State of California Department of Transportation (CALTRANS) Standard Specification • California Energy Commission - Recommended Seismic Design Criteria for …

    classification for seismic design. The average shear wave velocity of the top 30 meters of the soil The average shear wave velocity of the top 30 meters of the soil profile (v s30 ) is one of the soil properties used by Caltrans for seismic design (Caltrans, 2006) and is Caltrans Seismic Design Criteria (SDC) was used to determine internal reinforcing steel to achieve a displacement ductility of 5. Furthermore, all detailing used in the CIP model adhered to Caltrans …

    Moment curvature and cracked moment of inertia The purpose of this test problem is to explain the meaning of various parameters reported for the moment curvature curve and illustrate how is the cracked moment of inertia calculated. The moment curvature analysis … Ł Caltrans Seismic Design Criteria ver. 1.1 published July 1999 Ł Approaches the standard of performance based design Ł Includes research findings from seismic retrofit program Ł Requires bridge specific design criteria for major bridges. Seismic Design Criteria Ł Two levels of earthquakes are considered in the design of major structures Ł Uses in-house developed seismic maps for the SEE

    Specification, Caltrans Seismic Design Criteria, AISC, ACI, Caltrans Trenching and Shoring Manual. Steel Penstocks (Manual of Practice No. 79) by Task Caltrans - Trenching and Shoring Manual 2011 9-1 ANCHOR BLOCK Sloping Ground The following. CALTRANS Trenching and shoring manual example for 50ft deep excavation Caltrans method with negative wall moments for 50ft deep … classification for seismic design. The average shear wave velocity of the top 30 meters of the soil The average shear wave velocity of the top 30 meters of the soil profile (v s30 ) is one of the soil properties used by Caltrans for seismic design (Caltrans, 2006) and is

    Seismic Design Criteria for California Bridges: Provisional Recommendations, which was formatted in 2 columns to provide recommended changes to Caltrans’ design pro- Caltrans Office of Earthquake Engineering (OEE) is responsible for developing bridge seismic design and retrofit criteria in California. We also develop seismic criteria for tunnels, retaining walls, and

    The Caltrans Seismic Design Criteria (SDC) specify the minimum seismic design requirements that are necessary to meet the performance goals established for … Moment curvature and cracked moment of inertia The purpose of this test problem is to explain the meaning of various parameters reported for the moment curvature curve and illustrate how is the cracked moment of inertia calculated. The moment curvature analysis …

    Specification, Caltrans Seismic Design Criteria, AISC, ACI, Caltrans Trenching and Shoring Manual. Steel Penstocks (Manual of Practice No. 79) by Task Caltrans - Trenching and Shoring Manual 2011 9-1 ANCHOR BLOCK Sloping Ground The following. CALTRANS Trenching and shoring manual example for 50ft deep excavation Caltrans method with negative wall moments for 50ft deep … A design example using the Caltrans seismic design criteria is presented here. A grade separation project is located in a seismically active region in southern California. Based on the Caltrans ARS Online tool, the nearest fault is the Peralta Hills fault (No.146), approximately 2.7

    California High-Speed Train Project Design Criteria Chapter 11 – Seismic Page 11-2 December 07, 2012, Rev. 0.1 1 Caltrans Bridge Design Specification (CBDS): American Association of State Highway Caltrans initiated revisions in its seismic design criteria within weeks and began development of new criteria for future bridge designs, that eventually came out in 1973.

    Caltrans and AASHTO highway bridge criteria focus on collapse prevention during an extreme seismic event, and allow or require substantial damage to occur as part of the mechanism resisting extreme seismic design. The 1941, 1944, and 1949 editions of the AASHO code mentioned seismic loading, but simply stated that structures shall be proportioned for earthquake stress-es. Those codes gave no guidance or criteria as to how the earthquake forces were to be determined or applied to the structure. The California Department of Transportation (Caltrans) was the first organization within the

    What is Performance Based Seismic Design (PBSD) ? Must Consider Both Capacity and Demand – Deterministic vs Probabilistic Approaches Upper EQ Demand Lower EQ Demand • Direct control of the bridge system seismic performance for distinct seismic input. • PBSD typically strives to go beyond the performance outlined in the design codes. –Additional or Enhanced Criteria –Better “control STRUCTURAL ENGINEERING AND GEOMECHANICS - Seismic Design of Steel Bridges - Lian Duan Performance-based Seismic Design Criteria 3.1. Caltrans Seismic Performance Criteria Table 1 outlines Caltrans seismic performance criteria including the bridge classification and the service and damage level established. Bridges are categorized as “Important” or “Ordinary”. For Standard

    (CALTRANS) seismic design criteria (SDC) for shear keys in "ordinary" bridges limit the capacity of shear keys to be smaller than 30% of the dead load vertical reaction at the abutment and 1973, the California Department of Transportation (Caltrans) developed new seismic design criteria related to site, seismic response of the soils at the site, and the dynamic characteristics of bridges.

    Seismic Design Criteria for California Bridges: Provisional Recommendations, which was formatted in 2 columns to provide recommended changes to Caltrans’ design pro- (AASHTO) adopted Caltrans criteria for the seismic design of highway bridges. In 1978, In 1978, recognizing the need for national criteria that should include the effect of earthquakes that

    Caltrans Seismic Design Criteria (SDC) was used to determine internal reinforcing steel to achieve a displacement ductility of 5. Furthermore, all detailing used in the CIP model adhered to Caltrans … (AASHTO) adopted Caltrans criteria for the seismic design of highway bridges. In 1978, In 1978, recognizing the need for national criteria that should include the effect of earthquakes that

    Caltrans Seismic Design Criteria (SDC) was used to determine internal reinforcing steel to achieve a displacement ductility of 5. Furthermore, all detailing used in the CIP model adhered to Caltrans … THE CONTINUING CHALLENGE THE NORTHRIDGE EARTHQUAKE OF]A UARY 17, 1994 Report to the Director, California Department ofTransportation by the Seismic Advisory Board

    Seismic Design of Adjacent Rail Bridges in Deep Liquefiable Soils Kelly Burnell, PE, Kleinfelder, San Diego, CA Ebrahim Amirihormozaki, PhD, PE, Kleinfelder, San Diego, CA • State of California Department of Transportation (CALTRANS) Standard Specification • California Energy Commission - Recommended Seismic Design Criteria for …

    Caltrans' Seismic Design Criteria (SDC) has been adopted as the minimum seismic standard for ordinary bridges on California's highways. The SDC is a compilation of new and existing seismic The idealized curve is obtained as per Caltrans Seismic Design Criteria [2]. The idealized Mp on the previous page is determined as specified in Caltrans Seismic

    1973, the California Department of Transportation (Caltrans) developed new seismic design criteria related to site, seismic response of the soils at the site, and the dynamic characteristics of bridges. California High-Speed Train Project Design Criteria Chapter 11 – Seismic Page 11-2 December 07, 2012, Rev. 0.1 1 Caltrans Bridge Design Specification (CBDS): American Association of State Highway