surface of subsidence

Research on Three Stages and Law of Dynamic Surface Subsidence Deformation

地表动态沉陷变形的三个阶段与规律

Establishing of the land surface movementstation in mining subsidence area is one of the basic means.

采煤空区坍塌引起的地表移动与变形是确定路基稳定性的主要依据.

Application of Crushed-stone Pile to Treat Bridge Approach Road Surface subsidence Problem

碎石桩处理桥梁引道路面下沉通病的应用

Due to continuous economic development, rapid increase of population and accelerated urbanization, especially groundwater withdrawal, large-scale and serious surface subsidence occurs, and threatens sustainable survival and development in these cities.

但是，随着经济的持续发展、人口的急剧增加、城镇化进程的不断加快，地下水开采日益强烈，已引发大范围严重的地面沉降，对当地生存和发展环境构成极大威胁。

The outstanding issue of eco-safety in mining area is solid waste, earth surface subsidence and its influence to environment. It can be used to realize mining eco-safety that adopting advanced technology to exploit minerals, utilizing solid waste through various channels and recovering land.

矿区的生态安全突出的表现为固体废物、地表塌陷对环境的危害，采用先进技术开采矿产、拓宽固废利用渠道和实施土地复垦等方法可以实现矿区的生态安全。

Harm of Surface Subsidence and Control Method in Changzhou City

常州市地面沉降的危害及控制

Study on time function of surface subsidence& the improved Knothe time function

关于地表点下沉时间函数的研究&改进的克诺特时间函数

Through theoretical analysis and laboratory tests the main conclusions of research is as followed: It is effective to implement back filling technique in caving zone and breaking zone, control overburden rock mining subsidence, eliminate surface subsidence and protect the safety of the surface buildings.

通过理论分析和实验室试验，得出：实施垮落带和裂隙带注充技术可有效的控制覆岩采动下沉，消除地表沉降，保护地表建筑物、构筑物的安全。

In this , the general phenomenon about subsidence and deformations of surface in subway construction is illustrated.

阐述了城市地铁施工过程中,地表沉陷与变形的一般现象,探讨了地表沉降指数函数计算公式.