1) Deformation stratum
形变层
2) coal seam deformation
煤层形变
3) deformation layer
变形层
4) reservoir deformations
油层变形
5) ground deformation
地层变形
1.
Measures to control ground deformation caused by construction in soft soil region;
软土地区施工引起地层变形控制措施
2.
A study of ground deformation when excavating tunnel in soil by Mechanical pre-cutting method;
机械预切槽法开挖软土隧道地层变形研究
3.
Study on the effect of deep mining on ground deformation and subgrade settlement
深部开采对地层变形及路基沉降影响研究
6) stratum deformation
地层变形
1.
Study of time-space united calculating method of stratum deformation caused by shield tunnel excavation
盾构法施工隧道地层变形时空统一预测方法研究
2.
Time-space united calculating method of stratum deformation considering repeated construction and cessation of tunnels
考虑隧道反复施工停工时地层变形的时空统一计算方法
3.
It is shown that tunnel vault settlement is more than ground settlement in watery,weakly and sandy stratum;then 3D movement trend of stratum deformation and construction space-time effects of each excavation step of overlap tunnel are gained.
通过对深圳地铁Ⅰ期工程浅埋暗挖法施工的重叠隧道现场调研,并结合施工中的试验、监测成果对重叠隧道上覆地层(地表、地中)水平、竖向变形和隧道结构变形进行了综合分析,明确了富水含砂软弱地层地铁隧道拱顶沉降大于地表沉降的事实,得到地层变形的三维变化规律和重叠隧道分步开挖的施工时空效应;并实测得到未降水施工条件下隧道结构周边超静孔隙水压力分布及其随开挖变化规律。
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