利用倾角仪测量桥梁的挠度

英文篇名：Using Inclinometers to Measure Bridge Deflections
中文刊名：桥梁建设
英文刊名：Bridge Construction
作者：侯兴民 ; 杨学山 ; 黄侨
英文作者：HOU Xing-min~1 ; YANG Xue-shan~1 ; HUANG Qiao~2 (1. Research Institute of Engineering Mechanics ; China Seismological Bureau ; Harbin 150080 ; China ; 2. Institute of Communications Science and Engineering ; Harbin University of Technology ; Harbin 150090 ; China)
中文关键词：桥梁观测 ; 挠度观测 ; 设备 ; 倾角仪 ; 实验 ; 现场试验
英文关键词：bridge observation ; deflection observation ; equipment ; inclinometer ; experiment ; field test
出版日期：2004-04-28
机构：中国地震局工程力学研究所,中国地震局工程力学研究所,哈尔滨工业大学交通科学与工程学院黑龙江哈尔滨黑龙江哈尔滨150080 ,黑龙江哈尔滨150080 ,150090
年：2004
期：02
出版单位：桥梁建设

摘要

系统介绍了一种桥梁挠度检测方法。在与桥梁中轴线平行的轴线上选定的测点上布设倾角仪,通过测量加载前后的倾角变化,可以计算该轴线上任何点的动挠度或者静挠度。上百组的实验和实测,包括简支梁和连续梁,动载和静载,表明该方法具有很高的精度。利用倾角仪测量桥梁不需要静止的参考点,特别适于测量跨河桥、跨线桥、大型的跨海、跨峡谷桥梁和高桥,大大提高了测量效率。
A kind of bridge deflection measurement method is systematically presented. By setting the inclinometers on the selected measurement points on the axis parallel to the central axis of a bridge, either dynamic or static deflections on any points therefrom can be calculated through measuring of the angular variations before or after loads are applied. Over one hundred groups of tests and field measurements of simply-support beams, continuous beams, dynamic and static load tests show the method is of high accuracy. The method needs no static reference points, and is particularly suitable for measuring bridges across rivers, over railways and highways, major bridges over sea and valleys, and elevated bridges. With the method in question, the working efficiency is greatly improved.

引文

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