Now showing items 2361-2380 of 3153

    • Optimum Design of Bridge Abutments under Seismic Conditions: Reliability-Based Approach 

      B. Munwar Basha; G. L. Sivakumar Babu (American Society of Civil Engineers, 2010)
      The paper focuses on the reliability-based design optimization of gravity wall bridge abutments when subjected to active condition during earthquakes. An analytical study considering the effect of uncertainties in the ...
    • Fatigue Strength of Weathered A588 Steel Beams 

      Pedro Albrecht; Akhrawat Lenwari (American Society of Civil Engineers, 2009)
      This paper presents the fatigue behavior of 39 welded and 12 cover-plated beams fabricated from A588 weathering steel. One set of beams was boldly exposed to the environment; the other was exposed under a metal deck that ...
    • Temporal Nature of Fatigue Damage in Highway Bridges 

      Andrew T. Metzger; Arthur A. Huckelbridge Jr. (American Society of Civil Engineers, 2009)
      To develop a valid method of estimating fatigue life of a highway bridge, it is first necessary to have a reasonable understanding of the manner in which fatigue damage occurs over time. This paper presents the findings ...
    • Fatigue Resistance of HPS-485 W (70 W) Welded Butt-Splice Connections Using Narrow Gap Improved Electroslag Welding 

      Caroline R. Bennett; James A. Swanson; Daniel G. Linzell (American Society of Civil Engineers, 2009)
      The writers investigated the performance of narrow gap improved electroslag weld (NGI-ESW) procedures in welded butt splices using high-performance steel grade HPS-485 W (70 W) through comparison against similar specimens ...
    • Influence of Early Temperature Rise on Movements and Stress Development in Concrete Decks 

      Kolluru V. Subramaniam; Jonathan Kunin; Robert Curtis; Donald Streeter (American Society of Civil Engineers, 2010)
      The primary focus of this paper is to develop an understanding of temperature changes introduced by hydration heat release in the first few hours after casting in the thermal movements and stresses of the concrete deck and ...
    • Improved Seismic Response of Multisimple-Span Skewed Bridges Retrofitted with Link Slabs 

      Gizem Sevgili; Alp Caner (American Society of Civil Engineers, 2009)
      Results of a recent bridge inventory evaluation indicated that about 50% of Turkish highway bridges have more than 30° of skew angle and can be classified as irregular bridges. During the recent major earthquake in Turkey, ...
    • Field-Measured Response of an Integral Abutment Bridge with Short Steel H-Piles 

      William G. Davids; Thomas Sandford; Sarah Ashley (neé Hartt); John DeLano; Christopher Lyons (American Society of Civil Engineers, 2010)
      Integral abutment bridges (IABs) with short steel H-pile (HP) supported foundations (
    • Rotation Compatibility Approach to Moment Redistribution for Design and Rating of Steel I-Girder Bridges 

      Jennifer Righman McConnell; Karl Barth; Michael Barker (American Society of Civil Engineers, 2010)
      Recent research has culminated in the development of moment redistribution design and rating procedures based on a “rotation compatibility” procedure. The key aspects of the rotation compatibility method are presented ...
    • Implementation of a Long-Term Bridge Weigh-In-Motion System for a Steel Girder Bridge in the Interstate Highway System 

      A. J. Cardini; John T. DeWolf (American Society of Civil Engineers, 2009)
      This technical paper discusses the implementation of a long-term bridge weigh-in-motion system for use in determining gross vehicle weights of trucks crossing steel girder bridges. The system uses strain data to determine ...
    • Bridge across the Hudson 

      Francis E. Griggs Jr. (American Society of Civil Engineers, 2009)
      A bridge across the Hudson River opposite Manhattan Island was a dream that started in the early 19th century. Many giants of civil engineering, including Gustav Lindenthal and Othmar Ammann, were involved in planning such ...
    • Time-Dependent Behavior of Concrete-Filled Steel Tubular Arch Bridge 

      Xudong Shao; Jianxin Peng; Lifeng Li; Banfu Yan; Jianhua Hu (American Society of Civil Engineers, 2010)
      This paper develops a simplified method using a summation procedure and a related computer program to calculate the time-dependent behavior of a concrete filled steel tubular (CFST) arch bridge based on the geometric ...
    • Theoretical Evaluation of Flange Local Buckling for Horizontally Curved I-Girders 

      Mahendrakumar Madhavan; James S. Davidson (American Society of Civil Engineers, 2009)
      Curvature greatly complicates the behavior of horizontally curved steel plate girders used in bridge superstructures. The warping stress gradient across the width of I-girder flange plates reduces the vertical bending ...
    • 3D Coordinating Relations between Steel Cables and Concrete of Prestressed Concrete Beam Bridges 

      Xiong-jun He; Li-chu Fan; Hong-ming Zhu; Zhong-wu Ye (American Society of Civil Engineers, 2009)
      Interaction between steel cables and concrete is complicated in prestressed concrete bridges, especially in curved prestressed concrete bridges. The most significant behavior of curved beam bridges under the loads is that, ...
    • Control of Creep and Shrinkage Effects in Steel Concrete Composite Bridges with Precast Decks 

      Sandeep Chaudhary; Umesh Pendharkar; Ashok Kumar Nagpal (American Society of Civil Engineers, 2009)
      Creep and shrinkage in concrete deck of steel-concrete composite bridges can result in significant redistribution and consequent increase in bending moments at continuity supports and also increase in deflections. Studies ...
    • Thomas C. Clarke, Bridge Builder 

      Francis E. Griggs Jr. (American Society of Civil Engineers, 2009)
      Clarke was one of the leading engineers in Canada and the United States in 1848 to 1901, working on railroads, waterways, buildings, and primarily bridges. He was a prolific writer with articles not only in ASCE publications ...
    • Equivalent Beam-Column Method to Estimate In-Plane Critical Loads of Parabolic Fixed Steel Arches 

      Jiangang Wei; Qingxiong Wu; Baochun Chen; Ton-Lo Wang (American Society of Civil Engineers, 2009)
      The objective of this paper is to investigate the characteristics of critical loads for parabolic fixed steel tubular arches. An advanced nonlinearity finite-element program, taking into account the geometric and material ...
    • O. Chanute, C.E. 

      Francis E. Griggs Jr.; David Biggs (American Society of Civil Engineers, 2009)
      Octave Chanute was one of the leading civil engineers in the United States in the period between 1850 and 1890. His work on eastern and western railroads was unsurpassed. He began his bridge building career in 1856 and ...
    • Identification of a Distribution of Stiffness Reduction in Reinforced Concrete Slab Bridges Subjected to Moving Loads 

      Taehyo Park; Myung-Hyun Noh; Sang-Youl Lee; George Z. Voyiadjis (American Society of Civil Engineers, 2009)
      The method for identifying arbitrary stiffness reduction in damaged reinforced concrete slab bridges under moving loads is proposed and dynamic signals measured at several points are used as response data to reflect the ...
    • Bridge Safety Evaluation Based on Monitored Live Load Effects 

      Ming Liu; Dan M. Frangopol; Sunyong Kim (American Society of Civil Engineers, 2009)
      A novel approach to evaluating safety of existing bridges based on monitored structural responses and component conditions is presented in this paper. A limit state equation is developed for the measured strain data from ...
    • Effects of Fabrication Procedures on Fatigue Resistance of Welded Joints in Steel Orthotropic Decks 

      Hyoung-Bo Sim; Chia-Ming Uang; Charles Sikorsky (American Society of Civil Engineers, 2009)
      A common practice for the fabrication of steel orthotropic bridge decks in the United States is to use 80% partial joint penetration (PJP) groove welds between the closed ribs and deck plate. However, it is difficult to ...