| 影响支撑轴力测试的混凝土特性 |
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| 引用本文： | 杨震伟,骆介华,魏云峰,陈玄斌,戴民.影响支撑轴力测试的混凝土特性[J].浙江水利科技,2012(4):51-52,55. |
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| 作者姓名： | 杨震伟 骆介华 魏云峰 陈玄斌 戴民 |
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| 作者单位： | 1. 杭州市铁路投资有限公司,浙江杭州,310021
2. 中国水电顾问集团华东勘测设计研究院,浙江杭州,310014 |
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| 摘 要： | 在内支撑基坑监测中常采用钢筋计测试混凝土支撑轴力,经常遇到支撑轴力计算值较大的情况。针对轴力测试值较大的现象,根据混凝土自身在非荷载方面的特性,对混凝土支撑轴力进行分析、解释和总结。认清混凝土徐变、收缩和温度特性,有利于轴力监测数据的正确判断。
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| 关 键 词： | 基坑 混凝土 支撑轴力 收缩 徐变 温度 |
Concrete Characteristics Influencing Strut Axial Load Test |
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| YANG Zhen-wei,LUO Jie-hua,WEI Yun-feng,CHEN Xun-bin,DAI Min.Concrete Characteristics Influencing Strut Axial Load Test[J].Zhejiang Hydrotechnics,2012(4):51-52,55. |
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| Authors: | YANG Zhen-wei LUO Jie-hua WEI Yun-feng CHEN Xun-bin DAI Min |
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| Affiliation: | 1. Hangzhou Railway Investment Co. Ltd, Hangzhou, 310021, Zhejiang, China; 2. East China Investigation and Design Institute, Hangzhou, 310014, Zhejiang, China) |
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| Abstract: | When using steel bar meter to test the concrete strut axial load in inside-strut foundation excavation, the value of strut axial load is often bigger than expected. Based on the concrete non-load factor, the study analyzed, interpreted and summarized the strut load. A better understanding of concrete characteristics, such as shrinkage, creep and temperature will be conductive to a rational judgment of the axial load data. |
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| Keywords: | foundation excavation concrete axis load shrinkage creep temperature |
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