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- During the second stage, the excess pore pressure was dissipated under the constant loads. 固结阶段,土体在恒定荷载作用下,超孔隙气压和超孔隙水压逐渐消散而固结。
- In a silty seabed, the excess pore pressure mounts distinctly due to the progressive wave, whereas there is no such phenomenon in a sandy seabed. 采用波浪水槽模型试验的方法,研究波浪荷载作用下砂质和粉质海床的孔压响应问题。
- On the other hand, under the drawdown condition of the reservoir, the excess pore pressure will be produced for the sake of the lagged effect of the declining underground water. 当水位下降时,由于坡体中浸润面下降的滞后效应,导致坡体内产生超孔隙水压力,也将对滑坡的稳定性产生影响。
- The treatment and effectiveness by use of prefabricated drains method to dissipate the excess pore pressure by pile driving are also introduced under the condition without external loads. 在不加外荷载情况下,采用塑料排水板方法消散打桩引起的超静孔隙水压力的处理措施,解决了高孔隙水压力下主厂房的开挖问题。
- Excess pore pressure around deep mixing column in soft Ariake clay 有明黏土中搅拌桩施工时的孔隙水压力
- An In-situ Model Test Study of Excess Pore Pressure due to Pile Driving 沉桩挤土对孔隙水压力影响的试验研究
- Excess pore pressure induced in piling in saturated structural soft soils 结构性软土中打桩引起的超孔隙水压力
- MEASUREMENT AND ANALYSIS OF SOIL HORIZONTAL DISPLACEMENT AND EXCESS PORE PRESSURE DURING PILES DRIVING 静压桩沉桩挤土效应现场监测及分析
- MECHANISM OF RAPID LANDSLIDES: EXCESS PORE PRESSURE GENERATION CAUSED BY GRAIN CRUSHING 高速滑坡形成机制:土粒子破碎导致超孔隙水压力的产生
- Analytical solution to dissipation of the excess pore pressure in visco-elastic soil surrounding partially permeable tube-pile after installation 黏弹性土中半透水管桩沉桩后孔压消散解析解
- sledgehammers were dropped down freely to hit the load board to simulate the wave force acted on concrete layer, and the excess pore pressure and strength variation were observed; 通过研究发现,(1)硬壳层土体基本上处于超固结状态,且超固结比随深度增加而减小,大王北和刁口地区硬壳层强度约是新滩和广利港的两倍,离河口近的地区强度的变异系数比远的地区的要大;
- excess pore pressure 超孔隙压力
- Because of soil squeezing effect and excess pore water pressur,reconsolidation settlement will occur around soil compaction piles in saturated soft clay during pile driving. 位于饱和软粘土地基中的挤土桩,由于沉桩过程中地基土产生挤土效应及超静孔隙水压力,同时随着超静孔隙水压力的消散,桩周地基土产生再固结沉降。
- Considering the non mono tonic compression characteristics, the development of settlement will he quicker than the dissipation of excess pore water pressure. 在考虑了非单调压缩的影响因素后,软土地基中超静孔压的消散将滞后于沉降的发展。
- Excess pore water pressure inceased during DJM column installation and disppeared after DJM column installation, it differs with the distance from column and depth. 粉喷桩施工使周围土体中的超孔隙水压力增大,超孔隙水压力随距桩心距离和深度的不同而不同,并且超孔隙水压力在施工结束后逐渐消散,加打排水板使得桩周土体的超孔隙水压力值提高的幅度降低,达到最大值的时间和消散时间缩短,这有利于加大土体固结的程度和缩短固结时间;
- Results of calculation show that dissipation of excess pore water pressure due to squeezing effect of concrete-cored sand-gravel piles is faster than that of the ordinary CFG piles. 算例表明,成桩后的混凝土芯砂石桩,其挤土效应产生的超孔隙水压力的消散,远快于常用的水泥粉煤灰碎石桩(CFG桩)。
- When the pore pressure is relatively high,the formate is used as a weighting agent to maintain a low-solid mud system. 在地层孔隙压力较高时,则配合使用甲酸盐进行加重,以维持一种性能优良的低固相钻井液体系。
- Besides, the undrained shear strength was increased slightly due to the negative pore pressure. 不排水条件下由于负孔隙水压力的存在,土样的表观强度略有增大。
- In the meantime, the pore pressure also increased with the increase of confining pressure. 同时,孔隙水压力值也随着周围压力的增大而明显增大。
- A safety supervisory control of building dyke, i. e., pore pressure coefficient B-bar control method is introduced. 摘要简要介绍了一种软基上填筑堤坝施工安全的监控方法-孔压系数B值控制法。