堆载挤淤沉降断面的分段计算方法

doi:10.12068/j.issn.1005-3026.2016.11.019

东北大学学报:自然科学版 ›› 2016, Vol. 37 ›› Issue (11): 1609-1614.DOI: 10.12068/j.issn.1005-3026.2016.11.019

堆载挤淤沉降断面的分段计算方法

何顺友¹，杨春和^1,2，汪洪星^2,3

(1. 重庆大学煤矿灾害动力学与控制国家重点实验室，重庆400044； 2. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室，湖北武汉430071; 3. 三峡大学水电工程施工与管理湖北省重点实验室，湖北宜昌443002)

收稿日期:2015-04-29 修回日期:2015-04-29 出版日期:2016-11-15 发布日期:2016-11-18
通讯作者: 何顺友
作者简介:何顺友(1985-)，男，湖南衡阳人，重庆大学博士研究生；杨春和(1962-)，男，江西丰城人，中国科学院武汉岩土力学研究所研究员.
基金资助:
水电工程施工与管理湖北省重点实验室(三峡大学)开放课题(2014ksd14).

Stepwise Calculation Method of Dump Silt-Replacement Settlement Section

HE Shun-you¹， YANG Chun-he^1,2， WANG Hong-xing^2,3

1.State Key Laboratory for Coal Mine Disaster Dynamics and Control， Chongqing University， Chongqing 400044， China; 2. State Key Laboratory of Geomechanics and Geotechnical Engineering， Institute of Rock and Soil Mechanics， Chinese Academy of Sciences， Wuhan 430071， China; 3.Hubei Key Laboratory of Construction Management in Hydropower Engineering， China Three Gorges University， Yichang 443002， China.

Received:2015-04-29 Revised:2015-04-29 Online:2016-11-15 Published:2016-11-18
Contact: HE Shun-you
About author:-
Supported by:
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摘要/Abstract

摘要： 以某拦污坝工程为背景，建立了堆载挤淤沉降断面的分段计算方法.根据初期荷载不同挤淤深度时淤泥层的稳定性，搜索得到挤淤瞬时沉降断面，在此基础上，基于比奥固结理论和修正的剑桥模型，建立数值分析模型，得到最终的堆载挤淤沉降断面.计算结果表明，最终的堆载挤淤沉降断面与上覆荷载形式正相关，挤淤沉降断面呈倒梯形分布.最后，采用高密度电法对工程实际堆载挤淤沉降断面进行检测，验证了上述计算方法的正确性.

关键词: 堆载挤淤沉降断面, 固结沉降, 比奥固结理论, 高密度电法

Abstract: A stepwise calculation method for the silt-replacement settlement section is established in the background of a barrier dam. The silt-replacement instantaneous settlement is searched according to the stability of silt for different silt-replacement depth of the earlier dump. Then the silt consolidation settlement numerical analysis model under the compaction of the earlier and later dump is established and the final dump silt settlement section is got based on the Biot consolidation theory and the modified Cambridge model. The calculation results show that the final dump silt-replacement settlement section is positively correlated to the dump， the dump silt-replacement section appears to be an inverted trapezoidal. Finally， the corresponding calculation method is verified by detecting the real dump silt-replacement settlement section in the engineering by the high density resistivity method.

Key words: dump silt-replacement settlement section, consolidation settlement, Biot consolidation theory, high density resistivity method

中图分类号:

TV145

何顺友，杨春和，汪洪星. 堆载挤淤沉降断面的分段计算方法[J]. 东北大学学报:自然科学版, 2016, 37(11): 1609-1614.

HE Shun-you， YANG Chun-he， WANG Hong-xing. Stepwise Calculation Method of Dump Silt-Replacement Settlement Section[J]. Journal of Northeastern University Natural Science, 2016, 37(11): 1609-1614.

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堆载挤淤沉降断面的分段计算方法

Stepwise Calculation Method of Dump Silt-Replacement Settlement Section

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