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- Wavelet analysis for measuring signals of the dynamic soil pressure in the road foundation of high-speed railway 高速铁路路基动土压力测试信号的小波分析
- dynamic soil pressure 动土压力
- It can improve the bend resistance of the shotcrete, and make the shell shotcrete structural compressibility.The new structure has an ability to sustain the great soil pressure and dynamic force. 它可以大幅度提高喷层的抗弯能力,并使喷层整体具有一定的可缩性,能承受强大变形地压及采动荷载。
- J.Yang, J.B.Li, G.Lin.A Simple Approach to Integration of Acceleration Data for Dynamic Soil Structure Interaction Analysis. 李建波;林皋;陈健云.;无限地基-结构动力相互作用分析的分区逐步时域算法研究
- 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。
- Through experiments of static degradation and dynamic soil column, both purification efficiency of phenol and influences of reed wetland soil were studied. 摘要用动态土柱法和静态降解法研究了芦苇湿地土壤对苯酚的净化效果及其影响因素。
- 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。
- 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。
- 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。
- Dynamic soil erosion processes involve the spatial and time dependent processes of detachment, rill formation, deposition, re rilling from deposited sediment and scouring of rills. 动态土壤侵蚀包括依赖于空间与时间的土壤剥离、细沟的形成、水流中过量泥沙的沉积、沉积泥沙中细沟的再生等物理过程。
- 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。
- Indoor simulation experiment of degradation and leaching experiment of dynamic soil column were conducted to study the degradation and transport of sulfadiazine in soils. 为了较为全面地了解兽药磺胺嘧啶在土壤环境中的降解性和迁移性,通过室内模拟降解试验和动态土柱淋溶试验,研究了磺胺嘧啶在土壤中的降解和迁移行为。
- 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。