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- soil pressure phenomena 土壤压力状态
- The ground pressure behavior anomaly in fully-mechanized top-coal caving working face is a trans-normally and detrimentally dynamic pressure phenomenon. 综放采场矿压显现异常是发生在综放采场的超出常规预计、对安全生产造成较大危害的动压现象。
- Through the in - situ test, the active area soil pressure distribution of pile - anchor system for deep pit is studied in this paper. 通过现场试验，研究了深基坑桩锚支护体系主动区土压力的分布规律。
- The parameter of the pore water pressure and soil pressure are unfitted as the monitoring and forecasting index for bank collapse. 2.;内部孔隙水压力及土压力参数不适合作为崩岸的监测预测指标。
- This article narrates the rock pressure measurement methods for working face under the shallow burial and the thick, fluid sands in detile,analyzes and gets the regulations of rock pressure phenomena. 本文叙述了厚流砂层下浅埋工作面的矿压观测方法,分析得出了其矿压显现规律;
- Coulomb and Rankine soil pressure models are employed in the determination of soil pressure in the design of overhanging wall. 摘要扶悬臂式挡土墙的土压力计算一般采用库仑模型和朗金模型。
- Then, uncertainties in load effect of structures under backfill soil pressure are determined with finite element-multiple response surface method. 然后，用有限元-多响应面法计算了现行标准图明洞在填土压力作用下结构内力的概率特征。
- The gas starting pressure phenomenon can cause the open flow capacity of gas well to be decreased , the abandonment pressure of gas reservoir increased and the recovery factor of gas reservoir dropped. 气体启动压力规律的存在使气井的无阻流量变小、气藏的废弃压力提高 ,造成了气藏采收率的降低。
- Using the theory of Terzaghi s relation soil pressure,the limited support pressure formula with tunnel face in stratified sandy soil is . 采用太沙基松动土压力理论,根据滑动块的整体受力平衡,推导出砂性土中考虑成层土的开挖面最小支护压力计算公式。
- The port segment of Dianhuiping Tunnel on Changji highway has complex geologic conditions and obvious unsymmetrical pressure phenomenon, which is a multi-arch tunnel of bidirectional four roadways . 摘要殿会坪隧道是常吉高速公路中的一座双向四车道连拱隧道，进口段地质条件复杂，存在明显的偏压现象。
- Construct the light well point pipe after completion the east two-line side piling, to prevent the pipe movement or damage by soil pressure during piling. 轻型井点管应在东侧的两排边桩施工完毕后方可施工;防止压桩过程中;土的挤压力使井管位移或损坏井管.
- Based on soil plasticity and limit analysis theory,active soil pressure on broken back surface and resistive overturn safety factor are studied systematically. 基于土的塑性极限分析理论,考虑墙后为无粘性填土的情况,对折线型挡土墙背上的主动土压力和挡土墙抗倾覆稳定状态等进行了较为系统地研究。
- Based on limited balance theory, the formula of force polygon method used to calculate the soil pressure of gravity retainwall for cohesionless soil under water is provided in . 以衡重式挡墙为例,从极限平衡理论出发,推导了无粘性填土在浸水条件下用力多边形法计算土压力公式;结合具体工程实例,对延长墙背法和力多边形法进行了比较。
- The stress state of the circular culvert pipe under soil pressure at rest is analysed with the photoelastic simulated test of the epoxy resin model frozn. 利用环氧树脂模型进行光弹性冻结试验,模拟受填土压力作用时的土坝坝下圆型涵管的受力状态。
- The non-abutment slant-legged rigid frame bridge is similar to mansard arch bridge,the soil pressure of the diagonal rod at both ends of bridge forms a couple of arch thrust. 无桥台斜腿刚架桥类似于折线拱桥,桥梁两端边斜杆上土的作用实际上形成了一对拱推力。
- Impersonally speaking, none of these calculation methods exiting now can reflect the change of the foundation pit pit-wall soil pressure very truly and exactly. 客观上讲，现有的这些堆载对基坑侧压力影响的计算方法没有一个能够非常真实、非常准确地反映基坑坑壁土压力的变化。
- In applying deformation control, it is vitally important to accurately determine the soil pressure being applied to the retaining structure, which is also closely dependent on the deformation of the adjacent soil. 目前基坑开挖设计已逐步由强度控制转变为变形控制,在变形控制当中如何准确地确定作用在支护结构上的土压力是至关重要的,而作用在支护结构上的土压力又与支护结构相邻土体的变形紧密相关。
- Currently, when designing the soil nailing structure, we still adopt traditional Coulomb soil pressure theories or Rankine soil pressure theories, it causes that the calculation result of soil pressure has bigger error margin. 目前在土钉支护结构设计时,仍采用传统的库仑土压力理论或朗肯土压力理论,使得土压力计算结果与实测土压力有较大的差距。
- Adopting which appropriate and economical retaining structure is the difficulty and keystone of the design of foundation pit in uneven soil layer due to the different bearing soil pressure of retaining structure of foundatioti pit. 摘要对于土层分布不均匀的基坑，由于基坑支护结构所受的土压力不同，采用何种合适、经济的支护形式，是基坑设计的难点和重点。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
