您要查找的是不是：
- vibration by pile driving 打桩振动
- 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。
- The deflection of precast piles and excavation problems induced by pile driving are introduced through an engineering case of pile foundation treatment of a power plant. 通过某电厂桩基处理工程实例,介绍了打桩引起的预制桩偏位及开挖问题。
- An instrument of the second type makes use of a metal reed kept in vibration by an electromagnet. 还有一种类似的装置，由电磁铁维持金属簧片不断振动。
- The guests are coming piles by piles. 参观者一堆堆陆续进来了。
- A way of studying the main feature and motion laws of the damping vibration by the digital camera is introduced. 摘要介绍一种采用数码相机来研究阻尼振动的特性参数及其运动规律的方法。
- The wall was built by piling up pumice stones. 这面墙是用浮岩垒成的。
- The way of measuring the tiny vibration by Michelson interferometer by the aid of micro computer is introduced. 介绍了利用微机在迈克耳孙干涉仪基础上进行微弱振动测量的方法.
- Welding, pile driving, spray painting, excavation and heavy lifts are examples of jobs that are suitable for JHA. 焊接、打桩、喷涂、开挖和重型设备等诸如此类的工作较为适合进行作业危险性评估。
- One does not however rise in vibration by divorcing the density and sending it elsewhere or into another's field. 然而，一个人并不靠脱离黑暗而将其送到别处，或进入他人能量场中而提升振动。
- Molecules rotate and vibrate by virtue of their heat. 分子因热效应而发生转动和振动。
- The main structures with strength checking include the stanchion,the upper platform and the base seat.The suggestions about the safety of the pile driving frame are put forward. 在此基础上,进一步对主桩架结构包括支柱、顶架平台、支座等进行了强度校核验算,并对桩架的运行安全提出了建议。
- Dynamic strength and stiffness, vibration by impact, dynamic stability of howitzer structure can be further investigated by using the approach of this paper. 利用该文方法可以进一步研究火炮发射时的动态刚强度、冲击振动、结构动态稳定性等问题。
- The cylindrical expansion combining with spatial axisymmetrical consolidation finite element method and modified Cam-clay model, is adopted to simulate pile driving. 采用空间轴对称固结有限元结合修正剑桥模型,用柱形孔扩张对沉桩过程进行模拟,求出不同时期桩周土中的应力,从而得到不同间歇期桩侧的最大摩擦力。
- The features and the environmental impact of vibration induced by pile sinking, recognizing the importance of environmental impact assessment of vibration induced by pile sinking were discussed. 讨论了沉桩振动的特点及其对周围环境的影响,认为对沉桩振动进行环境影响评价是非常重要的。
- His heart seems to be pressed by piles of stones. He wants to talk but can't. 他的心里如同堆上了磊磊的石块，欲吐不得。
- The technology of grouting after pile driving at the bottom of pile makes up for some inherent defects caused by the bore cast-in-place pile protecting bore wall with mud and thereby it enhances the bearing capacity of pile greatly. 泥浆护壁钻孔灌注有一定的缺陷，桩底后压浆技术有效地弥补了这些缺陷，并能大幅度提高承载力。
- The main causes of breakage were concrete tube pile instability of foundation pit or failure of its bracing, soil squeeze due to pile driving, incorrect excavation and incorrect heap of soil. 摘要造成混凝土管桩倾斜与断裂的主要原因为基坑边坡失稳或支护结构破坏、沉桩挤土效应以及挖土与堆土不当等。
- The current study is to investigate the relationship between the sound radiation and enclosure vibration by using a laser vibrometer. 利用激光测振仪，测试了箱体振动速度随频率的变化，分析了前几个振动模态的声辐射能力。
- vertical pile driven by vibration 振冲碎石桩
