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.
而不同的降水方式，地面沉降效应差异较大。
And different ways of dewatering, land subsidence effects are larger different.
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.
大庆市地面变形分为地面隆起和地面沉降变形。
The ground deformation in Daqing City falls into two categories: land uplift and land subsidence.
地下水的不合理开采是我国地面沉降的主要诱因。
Irrational exploitation of groundwater is the main course of land subsidence.
微型盾构在施工过程中控制地面沉降的方法很多。
There are many ways to control the ground subsidence during mini shield construction process.
地层结构和地下水位变化是影响地面沉降的主要因素。
The layer structure and the change of groundwater level are the major factors to influence the ground subsidence.
从1969年至今的地面沉降实测值与计算值也相吻合。
The calculation value of land subsidence from 1969 to present agrees the measured value well.
随着地下水开采量的增加，区域地面沉降漏斗将不断扩大。
With the increasing of underground water over withdrawing, regional ground subsidence funnels will be expanded.
提出了根据地面沉降值从理论上判断开挖面稳定性的方法。
Besides, a method based on settlement value is put forward as a criterion for face stability judgment.
这些理论结果可以用来评价地下水资源和预测地面沉降量。
The theoretical results can be used for the assessment of ground water resources and prediction of the land-subsidence.
进一步推导发现地面沉降与地下水头降深之间具有线性关系。
Further derivation leads to a linear relationship between land subsidence and aquifer drawdown.
本文应用数据本构分析对上海市地面沉降灾害进行了预测分析。
In this paper, the ground subsidence hazard of Shanghai city is prognosticated and analyzed with data constitution method.
东区段主要的地质灾害是地面沉降、地裂缝和膨胀土的胀缩灾害。
In the east section, the hazards are mainly ground subsidence, ground cracks and expansion and shrinkage of expanded soils.
介绍了济宁市地面沉降监测方法，并对监测结果进行了统计分析。
This paper introduces subsidence observation method and statistic analysis of monitoring achievement in Jining city.
进一步研究了随机地面沉降的有限元解法及随机土参数的可靠性分析。
The finite element method of random land subsidence and the reliability analysis of random soil parameter are furthermore researched.
文章主要对当今国内外地面沉降模型研究进展进行了简要的回顾和总结。
This paper briefly summarized and reviewed the study of land subsidence models at home and abroad.
真空卸载时地面沉降增大的现象只可能发生在真空联合堆载预压的情况。
The settlement after unloading the vacuum preloading can only be discovered in vacuum combined with surcharge preloading.
分析了该区地面沉降的内因和外因，为区内地面沉降的防治提供了依据。
On this basis, various factors which caused the surface subsidence are analysed and this is valuable for the surface subsidence control.
大雁塔倾斜的原因是长期超采地下水导致地面沉降，在1996年时最大倾斜超过1米。
The leaning is due to ground subsidence caused by over-pumping of groundwater. In 1996, the amount of inclination surpassed 1m.
以多年来的地下水开采数据揭示大量超采地下水是造成地面沉降的主要原因。
The data of groundwater exploitation posts that over- exploitation of groundwater is the most cause of ground settlement.
地面沉降主要由开采地下水资源，工程基础施工及地下空间的开发利用引起。
Settlement of ground is mainly induced by exploitation of groundwater, construction of foundation and utilization of underground space.
埋在地下的潮汐沼泽及沿海森林土壤使温哥华至加利福尼亚州北部一带的地面沉降1米左右。
Buried tidal marsh or coastal forest soils point to sudden land subsidence of about 1 meter occurring at the same time from Vancouver Island to Northern California.
为保证开挖面稳定及控制地面沉降，土压平衡盾构掘进时必须合理匹配各施工参数。
For EPB(Earth Pressure Balance)shield tunneling, one must properly choose driving parameters to maintain face stability and control ground subsidence.
研究结果表明，水平平行顶管施工时中间区域受到双重扰动，产生的地面沉降较大。
It shows that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
地面沉降是土层中孔隙水承担的孔隙水压力和土骨架承担的有效应力发生变化的结果。
Land subsidence results from changes in the pressure borne by pore water in the soil and the effective stress borne by soil skeleton.
地面沉降是土层中孔隙水承担的孔隙水压力和土骨架承担的有效应力发生变化的结果。
Land subsidence results from changes in the pressure borne by pore water in the soil and the effective stress borne by soil skeleton.
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