环境水文地质问题的减缓措施地面沉降(land subsidence)是指在自然因索或人为因素影响下发生的幅度、速率较大的地表高程垂直下降的现象。
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...经网络模型预测_建筑施工论文 关键词：地面沉降 ，人工神经网络 ，算法 ，预测模型 [gap=559]Key words: the ground settlement, artificial neural network, the algorithm, forecast model ...
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... ce run-off 地面径流；地表径流 surface settlement 地面沉降 surface stratum 地面层 ...
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The article holds the opinion that the main reason for land subsidence is stratum losses and redeposition of the soil around pipeline.
本文认为,顶管施工引起地面沉降最主要的原因是由施工引起的各种地层损失和顶管管道周围受扰动土体的再固结造成的。
参考来源 - 顶管施工引起地面沉降的分析研究However, the misconduction of foundation pit is bound to cause excessive groundwater, lowering produce surface settlement, and endanger the safety of surrounding buildings and facilities.
然而，基坑降水不当，势必引起地下水位降低过量，产生地面沉降，危及周边已有建筑设施的安全。
参考来源 - 基坑安全降水的工程措施研究A 3D FEM program was compiled. The program was used to study the rules of soil deformation and surface settlement during shield tunneling.
编制盾构法施工三维非线性有限元程序，并运用编制的程序对盾构法施工引起的地层变位和地表位移情况进行了计算，分析了盾构施工引起的地层变形规律和地面沉降规律。
参考来源 - 地铁隧道盾构法施工对周围环境影响的数值模拟Establishing and testifing the relative mathematical models of land subsidence and groundwater lever measurements analysis.4.
3．建立和验证地面沉降与地下水位监测数据分析的相关数学模型。
参考来源 - 基于GIS的西安市地面沉降与地下水动态分析与研究Ground subsidence in the narrow sense of the word is formed by human factor, namely usually ground subsidence calamity.
狭义的地面沉降就是人为因素导致的地面沉降，即通常所说的地面沉降灾害。
参考来源 - 基于GIS和SPSS的地面沉降研究The geological systems of tension fissures are widely found in the regions of lava flows, ground subsidence and development of extension structures.
地质张裂系统广泛见于熔岩流、地面沉降和张性构造发育的地区。
参考来源 - 五大连池老黑山西部熔岩流的张裂特征及其成因分析Measure the main body of a book is controlled having discussed an impact of base pit construction over periphery surface subsidence combining with some Nanjing Hexi base pit projects and having brought forward small advantages.
本文结合了南京河西某基坑工程讨论了基坑施工对周边地面沉降的影响并提出了相应控制措施。
参考来源 - 基坑施工对周边环境的影响及其控制措施—《人力资源管理·学术版》—2009年第2期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
过度抽取地下水和建造成千上万的高层建筑加剧了地面沉降。
Land subsidence has been aggravated by overpumping of underground water and the construction of thousands of high-rise buildings.
过度抽取地下水引起的地面沉降。
Surface subsidence (ground depression) caused by the overuse of ground water.
以水准点高程数据变化说明地面沉降历史现状。
Historical actuality of ground settlement is explained Using changes of benchmark height data.
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