在分析的基础上，提出了设计振动冲击夯时应遵循的原则和优化方法。
The design principles and optimal method for vibration-impact rammer were proposed on the base of the analysis.
其中抹平机，冲击夯，平板夯，切割机，震捣棒，灰浆泵等均已达到世界一流水平。
The company's power trowel, tamping rammer, forward plate, floor saw, concrete vibrator and mortar pump already reach world-class standards.
文中介绍了HCD110型振动冲击夯结构，对其关键件——工作弹簧的设计进行了研究。
This thesis introduces the impact ram structure for HCD110 type and its optimizing design for working springs.
产品以弯曲机、切断机、抹光机、冲击夯、升降机、搅拌机、配料机、振动夯等建筑机械产品！
Products to the bending machine, cutting machine, trowel machine, impact rammer, elevators, mixers, ingredients, vibrating compaction and other construction machinery products!
公司销售国产、进口路面切割机、振动夯、冲击夯、高杆照明灯水泥抹光机等路桥和工程机械。
Domestic sales, imports of road cutting machine, vibration ram, ram impact, high-lights of cement, such as road and bridge hand-ray machines and construction machinery.
穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。
The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles, pipe ramming hammers and pipe bursting hammers.
另外，作为一种能量可控的瞬态冲击荷载，强夯施工可以作为一个可控的土动力学原位试验。
On the other hand, as an instant impact load with controllable energy, dynamic compaction is a good test in-situ for the study of soil dynamics.
采用动力接触有限元法分析强夯中夯锤对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。
Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed.
研究结果将为设计冲击能可调的液压夯管锤提供理论指导。
The research results provide theoretical guides for design of adjustable hydraulic rammer.
通过理论和实验证明改变液压夯管锤的冲击能和冲击频率，比较简单而经济的方法是调节液压夯管锤的行程，并讨论了改变行程对液压夯管锤的性能有哪些影响。
The theory and test proved that the impacting frequency of hydraulic rammer can be adjusted by pipe hammer stroke. The influences of stroke on characteristics of hammer are discussed.
本文采用动力接触有限元法分析了强夯对地基土的冲击碰撞过程。夯击过程中，夯点周边地基土存在局部大变形现象。
This paper uses dynamic contact FEM to analyze impact and collision course of dynamic compaction to foundation soil.
第六部分强夯加固黄河冲击地基及加固效果评价；
Part5: dynamic compaction treating soft organic clay foundation (compound foundation technology) and the appraisement of consolidate effect.
第六部分强夯加固黄河冲击地基及加固效果评价；
Part5: dynamic compaction treating soft organic clay foundation (compound foundation technology) and the appraisement of consolidate effect.
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