| 黑龙江哈尔滨地下输水管道突然破裂对地铁隧道的影响 |
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| 引用本文： | 杨逾,周小科.黑龙江哈尔滨地下输水管道突然破裂对地铁隧道的影响[J].中国地质灾害与防治学报,2012,23(2):55-58,82. |
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| 作者姓名： | 杨逾 周小科 |
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| 作者单位： | 辽宁工程技术大学土木与交通学院,辽宁阜新,123000 |
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| 基金项目： | 国家自然科学基金(50974070) |
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| 摘 要： | 城市地下管线的开裂导致水油气等的泄露通常会对周围环境产生重要影响,由于其隐蔽性,问题发现滞后,导致预测起来相对困难。同时,突发的管线破裂渗漏会导致地质环境的改变,从而影响基础结构的力学特性,对工程安全构成直接威胁。目前,突发流量大小对地铁隧道的影响程度还没有准确定论。本文以哈尔滨地铁建设为依托,研究了精确寻找管线破裂而产生的水流源的方法,并根据现场实测数据分析地下输水管线的破裂造成水流对地表沉降、隧道拱顶沉降、净空收敛的影响。
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| 关 键 词： | 地铁隧道 监测 渗流 地表沉降 管线 CD法 拱顶沉降 净空收敛 |
Influence on the Metro caused by the sudden leakage of underground pipeline in Harbin city,Heilongjiang province |
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| YANG Yu,ZHOU Xiao-ke.Influence on the Metro caused by the sudden leakage of underground pipeline in Harbin city,Heilongjiang province[J].The Chinese Journal of Geological Hazard and Control,2012,23(2):55-58,82. |
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| Authors: | YANG Yu ZHOU Xiao-ke |
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| Institution: | (Liaoning Technology University,Fuxin 123000,China) |
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| Abstract: | The leakage of oil,gas and water owing to the pipe cracking will usually have an important impact on the surrounding environment,and the forecast become relatively difficult because of the pipe concealment and the problems finding’ hysteresis quality.At the same time,the sudden pipeline rupture leakage can lead to the change of the geological environment,which affects the mechanical properties of the infrastructure,and has a direct threat to the project safety.At present,the influence degree of the sudden leakage flow size to the subway tunnel is not accurate conclusion.This paper to Harbin metro construction,researches the method about looking for the source of seepage caused by break of the pipeline,and analyses the underground line leakage causes the influence on the ground surface settlement,tunnel vault settlement,and clearance convergence,according to the field measured data. |
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| Keywords: | the subway tunnel monitoring seepage the ground surface settlement line CD method vault settlement headroom convergence |
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