Caltrans abutment design

Caltrans abutment design

Design Step 7 – Design of Substructure Prestressed Concrete Bridge Design Example Task Order DTFH61-02-T-63032 7-2 • One group of states design the piles of an integral abutment to resist only gravity loads applied to the abutment. No consideration is given to the effect of the Chapter 7 Substructure Design Page 7-2 WSDOT Bridge Design Manual M 23-50.19 July 2019 • At water crossings – Pier scour depth, if known, and any potential for migration of The wingwall design utilizes the same flowchart as the abutment. Design Step 7.1 is shared by both the abutment and wingwall. After Design Step 7.1, Design Steps 7.2 through 7.12 are for the abutment. For the wingwall, any Design Steps from 7.2 through 7.12 that apply to the wingwall follow at the end of the abutment design steps. Wood, J, A Murashev, A Palermo, M Al-Ani, K Andisheh and D Goodall (2015) Criteria and guidance for the design of integral bridges in New Zealand. NZ Transport Agency research report 577. 108pp. Opus International Consultants was contracted by the NZ Transport Agency in 2014 to carry out this research.

Currently, Caltrans is updating SDC Ver 1.7 and Ver 2.0 is expected to be officially released in 2019. This 2-day course provides practical training for bridge design engineers and technicians on the application of the new Caltrans Seismic Design Criteria (Ver 2.0) for the design of typical concrete bridges in California. ABUTMENT DETAILS 11.1 PURPOSE These drawings are to present graphically all pertinent information necessary in the field construction of this segment of the structure. 11.2 RESPONSIBILITY These drawings shall be prepared and checked in the design unit. The graphic presentation of CALIFORNIA BANK AND SHORE ROCK SLOPE PROTECTION DESIGN Practitioner's Guide and Field Evaluations of Riprap Methods Final Report No. FHWA-CA-TL-95-10 Caltrans Study No. F90TL03 Third Edition - Internet October 2000 Prepared in Cooperation with the US Department of Transportation Federal Highway Administration WisDOT Bridge Manual Chapter 13 – Piers July 2019 13-3 13.1 General Piers are an integral part of the load path between the superstructure and the foundation. Piers are designed to resist the vertical loads from the superstructure, as well as the horizontal superstructure loads not resisted by the abutments.

The design of abutments, bents, piers, and bearings shall be in accordance with LRFD. 409-1.01(01) Service-Limit State . Abutment, bents, and piers shall be investigated for excessive vertical and lateral displacement, and overall stability, at the service-limit state. or other MSE systems as abutments, they must have confidence that the material's behavior is both appropriate for the application and predictable throughout the bridge's design life. Given the well-understood inherent strength and flexibility of MSE structures and the established design methodology, Live Load Distribution on Abutments is a three dimensional phenomenon that is complicated by nonlinear subgrade properties, load configurations and geometric effects. Detailed analytical studies are needed to better understand this phenomenon and propose simple procedures suitable for design.

directly by drilled shafts. The abutment is of the semi-integral (floating) type. The following design steps are included in this example: • Concrete deck design • AASHTO Type III girder design • Bearing pad design • Pier and abutment cap design • Pier column design • Drilled shaft design • Seismic design Currently, Caltrans is updating SDC Ver 1.7 and Ver 2.0 is expected to be officially released in 2019. This 2-day course provides practical training for bridge design engineers and technicians on the application of the new Caltrans Seismic Design Criteria (Ver 2.0) for the design of typical concrete bridges in California.

Chapter 12 – Abutments January 2019 12-9 12.3 Types of Abutment Support Piles, drilled shafts and spread footings are the general types of abutment support used. This section provides a brief description of each type of abutment support. WisDOT policy item: Geotechnical and structural design of abutment supports shall be in accordance AASHTO LRFD The wingwall design utilizes the same flowchart as the abutment. Design Step 7.1 is shared by both the abutment and wingwall. After Design Step 7.1, Design Steps 7.2 through 7.12 are for the abutment. For the wingwall, any Design Steps from 7.2 through 7.12 that apply to the wingwall follow at the end of the abutment design steps. the Iowa State University Bridge Engineering Center. However, to date no standard abutment designs have been developed. Thus, there was a need to establish an easy to use design methodology in addition to generating generic abutment standards and other design aids for the more common substructure systems used in Iowa. JULY 2016 LRFD BRIDGE DESIGN 11-1 This section contains guidance for the design and detailing of abutments, piers, retaining walls, and noise walls. Abutments and piers are used to support bridge superstructures, whereas walls primarily function as earth retaining structures. In most cases, abutments, piers, and walls are

JULY 2016 LRFD BRIDGE DESIGN 11-1 This section contains guidance for the design and detailing of abutments, piers, retaining walls, and noise walls. Abutments and piers are used to support bridge superstructures, whereas walls primarily function as earth retaining structures. In most cases, abutments, piers, and walls are Structures Design and Analysis Programs; Disclaimer: Although this program has been subjected to many tests - all with satisfactory results - no warranty, expressed or implied is made by the New York State Department of Transportation as to the accuracy and functioning of the program, nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the New ... LRFD Seismic Analysis and Design of Transportation Structures, Features, and Foundations • Caltrans Standard Plans, 2006 Edition • Caltrans Standard Plans, 2010 Edition Current Design in Caltrans • LRFD for bridge supports • LRFD for Abutments, Earth retention systems and Buried structures effective October 4, 2010. Jan 03, 2019 · Caltrans has not experienced a large, damaging earthquake since Northridge. However, Caltrans engineers and managers are confident that all of the efforts spent developing new seismic design criteria and retrofitting existing bridges will yield less bridge damage during the next design-level earthquake.

Providing technical support and design expertise on highway design issues related to motor vehicles, bicycles and pedestrians. Establishing flexibility in Caltrans highway design standards and procedures, especially in the context of urban environments and multi-model design. Contact Design MSE Wall Design Spreadsheet Summary of LRFD Methodology for MSE Wall Design Design Specifications The MSE Wall Design Spreadsheet will be based on the following: AASHTO LRFD Bridge Design Specifications, Section 11.10 Mechanically Stabilized Earth Walls, 2010 Fifth Edition, as modified by PennDOT Design Manual Part 4, Part B Design Specifications There are eleven design examples, which are arranged in three tracks as listed in the table below. The tracks are intended to fit different design and construction practice in Iowa as noted. Track 1: Standard Iowa DOT design and standard construction control with wave equation (WEAP) for ordinary projects on state, county, or city highways Providing technical support and design expertise on highway design issues related to motor vehicles, bicycles and pedestrians. Establishing flexibility in Caltrans highway design standards and procedures, especially in the context of urban environments and multi-model design. Contact Design Abutment Bridge Design Report. These changes include: 1. The basic principal of the 2004 Report was that integral abutment bridges would be allowed only under certain criteria. Since then, more information has been collected that would suggest that integral abutment bridges can be used in almost every case.

abutments table of contents – chapter 17 part 2 date: 30apr2019 sheet 1 of 8 file no. 17.toc-1 table of contents – abutments chapter 17

www.ltrc.lsu.edu Abutment Bridge Design Report. These changes include: 1. The basic principal of the 2004 Report was that integral abutment bridges would be allowed only under certain criteria. Since then, more information has been collected that would suggest that integral abutment bridges can be used in almost every case.

On Caltrans Bridge Design Practice 4th Edition Chapter 21 page 21-96, the calculation of effective width bv for Vww showed the superstructure depth (6.75') plus 1/3 of the abutment stem height (7.25'). Could you explain why 1/3 of the stem height was used instead of full height of the abutment stem wall? Thank you a lot.

Earthquake Design of Bridges With Integral Abutments . J. H. Wood. 1. ABSTRACT Because of the desirability of eliminating maintenance costs related to deck joints in bridges many new bridges are designed with superstructures that are continuous at the piers and have either fully integral or semi-integral abutments. ♦ An appropriate method to design the ductile substructure components without undue conservatism Two distinctly different aspects of the design process need to be provided: These two aspects are embedded with different levels of conservatism that need to be calibrated against the single level of hazard considered in the design process. directly by drilled shafts. The abutment is of the semi-integral (floating) type. The following design steps are included in this example: • Concrete deck design • AASHTO Type III girder design • Bearing pad design • Pier and abutment cap design • Pier column design • Drilled shaft design • Seismic design

Caltrans has not experienced a large, damaging earthquake since Northridge. However, Caltrans engineers and managers are confident that all of the efforts spent developing new seismic design criteria and retrofitting existing bridges will yield less bridge damage during the next design-level earthquake. Live Load Distribution on Abutments is a three dimensional phenomenon that is complicated by nonlinear subgrade properties, load configurations and geometric effects. Detailed analytical studies are needed to better understand this phenomenon and propose simple procedures suitable for design.