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首页> 外文会议>International Association for Bridge and Structural Engineering(IABSE) Symposium; 20040922-24; Shanghai(CN) >Calibration of Vehicular Live Load Site Factors to Design of Urban Bridges
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Calibration of Vehicular Live Load Site Factors to Design of Urban Bridges

机译：车辆活载场地因素的标定以设计城市桥梁

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摘要

This paper presents the development of an algorithm and the equations needed during the simulation and statistical analysis phases involved by the reliability analysis of urban bridges. These have as main objective the prognostics of Absolute Maximum Moments and Shears (MCMA) vs. time, in terms of Average Daily Truck Traffic (TDPVP) in a single lane and direction. The group of structures considered in this paper includes single span bridges with spans between 10 and 60 m long. The solution of the problem is based in the relationship between the probability of exceed of the biggest value in n observations in N future observations with the instant time where the first maximum of maximum absolutes was presented (return period). The expansion of the information of the gauging to the based return period in the proposed equations makes possible to evaluate site condition of traffic on bridges in all kind of roads inclusive those located in urban cities.
机译：本文介绍了一种算法以及城市桥梁可靠性分析所涉及的仿真和统计分析阶段所需方程的开发。这些目标的主要目的是根据单个车道和方向上的平均每日卡车运输量（TDPVP）预测绝对最大力矩和剪切力（MCMA）与时间的关系。本文考虑的结构组包括跨度在10到60 m之间的单跨桥。问题的解决方案是基于N个未来观测中n个观测中超过最大值的概率与呈现最大绝对值的第一个最大值的即时时间（返回周期）之间的关系。所提出的方程式中的测量信息扩展到基于返回的时间段使得评估包括城市中的各种道路在内的各种道路上的桥梁上的交通站点状况成为可能。

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