您要查找的是不是:
- vibratory pile driving 震动打桩
- Vibratory pile driver and extractor and soil are researched.When both are simplified, the finite element model is set up. 摘要以振动沉拔桩机和土为研究对象,对二者进行适当简化后,建立其有限元模型。
- All this research results will lay a theoretical basis for designing and improving the vibratory pile driver and extractor. 以振动沉拔桩机和土为研究对象,对二者进行适当简化后,建立其有限元模型。
- Effective improvement measures are presented through experimental research in important parameters affecting the operation of model DZ60KS vibratory pile hammer on vibratory pile driver/extractor. 本文通过对影响振动沉拔桩机DZ60KS型振动桩锤性能的重要参数的试验研究?,提出了有效的改进措施。
- The results have indicated that the "threefold" integrated design method can simplify the design process of the vibratory pile driver and extractor and improve the overall design level. 结果表明采用“三化”综合设计法可以大大简化振动沉拔桩机的开发设计过程,提高总体设计水平。
- 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。
- 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。
- 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。
- Rigid type vibratory pile hammer 刚性式振动桩锤
- Percussion type vibratory pile hammer 冲击式振动筛
- vibratory pile driver and extractor 振动沉拔桩机
- high frequency hydraulic vibratory pile hammer 高频液压振动锤
- 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 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。
- Standard form of specifications of vibratory pile hammers 振动打桩机规范的标准格式
- He emphasized the importance of careful driving. 他强调小心驾驶的重要性。
- He was had up for dangerous driving. 他因危险驾驶而被控告。
- I have a huge pile of letters to deal with. 我有一大堆信件要处理。
- 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。