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JP2007292592A Soundness diagnosing method of existing concrete structure 有权
标题翻译：现有混凝土结构的声学诊断方法
公开(公告)号：JP2007292592A
公开(公告)日：2007-11-08
申请号：JP2006120583
申请日：2006-04-25
申请人： Hazama Corp , Tohoku Regional Bureau Ministry Of Land Infrastructure & Transport , 国土交通省東北地方整備局長 , 株式会社間組
发明人： TAKAHASHI TADAYOSHI , KOBAYASHI KENICHI , CHIBA TAKATOSHI , MURAKAMI YUJI
IPC分类号： G01N29/00 , G01N29/44
摘要： PROBLEM TO BE SOLVED: To provide a soundness diagnosing method of an existing concrete structure, that reflects the distribution of the dynamic characteristics value of the structure as a whole.
SOLUTION: A plurality of ultrasonic sensors are arranged in the existing concrete structure, an ultrasonic wave propagation speed at each side wires of the ultrasonic sensors is calculated, and an ultrasonic wave propagation speed at each cell in a predetermined cross section is calculated from the ultrasonic wave propagation speed by a CT method (1); the dynamic elastic coefficient of concrete at each cell is calculated from the ultrasonic wave propagation speed to be converted to static elastic coefficient at each cell; and the estimate value of concrete compression strength at each cell is calculated from the static elastic coefficient and the load resistant force and deformation capacity in the predetermined cross section are calculated by using the dynamic elastic coefficients, static elastic coefficients and concrete compression strengths of all the cells (2), the processes of (1) and (2) are repeatedly performed for a plurality of cross sections (3), and the calculation values of the load resistant force and the deformation capacity calculated by the process (2) and designed load resistant force and planned deformation capacity are compared with each other at each predetermined cross section (4).
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供现有混凝土结构的健全性诊断方法，其反映整体结构的动态特性值的分布。解决方案：在现有的混凝土结构中设置多个超声波传感器，计算出超声波传感器的每个侧面的超声波传播速度，并且计算预定横截面中的每个单元的超声波传播速度从超声波传播速度通过CT方法（1）; 根据超声波传播速度计算每个单元混凝土的动态弹性系数，以便在每个单元处转换为静态弹性系数; 并根据静力学弹性系数计算出每个单元的混凝土抗压强度的估计值，并通过使用动弹性系数，静弹性系数和混凝土压缩强度计算预定横截面中的承载力和变形能力单元（2）中，对于多个横截面（3）重复执行（1）和（2）的处理，并且通过工艺（2）计算的负载抵抗力和变形能力的计算值被设计在每个预定的横截面处（4）将负载力和计划变形能力彼此进行比较。版权所有（C）2008，JPO＆INPIT

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