1) impact breaking and compaction
冲击破碎碾压
1.
This paper discusses three types of rigid pavement breaking used in pavement rehabilitation:stone breaking, impact breaking and compaction,and crack breaking rolling.
讨论了路面维修中应用的碎石化、冲击破碎碾压、裂缝破碎碾压3种刚性路面破碎类型,以及利用落锤弯沉仪进行的非破坏试验来表征实际的破碎路面特征,并以此作为路面维修设计的指标。
2) impactive rolling
冲击碾压
1.
Combining the practical project,engineers adopt some methods to treat airport foundation,such as high vacuum dewatering method,dynamic compaction method,bedding course method,and impactive rolling method.
结合现场施工的实际情况,通过对试验及运用阶段的归纳总结,从工艺原理、施工工艺、施工要点及质量检测监控等方面,对“高真空排水+强夯+垫层+冲击碾压”新联合工法进行了系统的阐述。
3) impact rolling
冲击碾压
1.
Strain field analysis of weld with trailing impact rolling to control residual stress and distortion and prevent hot cracking;
随焊冲击碾压减小应力变形防止热裂纹应变场分析
2.
Effect analysis of impact rolling in collapsible loess foundation treatment;
冲击碾压处理湿陷性黄土地基效果分析
3.
Mechanical behaviors of cement concrete pavement structure under impact rolling load;
冲击碾压动荷载下水泥混凝土路面结构的力学行为
4) impaction and grind
冲击碾压
1.
According to requirements on non-suspending air service impaction and grind construction scheme is presented.
结合太原武宿机场垂直快速滑行道地基处理实例,介绍了其工程特点,针对其不停航的条件,提出了冲击碾压施工方案,并对该方案的原理、施工过程及注意事项进行了介绍,为类似机场建设提供了参考依据。
2.
According to the geological conditions of runway system in Pudong Airport,testing proposal of "well point dewatering +Cushion+impaction and grind" was put forward and was monitored and detected during the testing procedure.
针对浦东机场跑道系统的地质条件,提出了“井点降水+垫层+冲击碾压”地基处理试验方案,在试验过程中进行了监测和检测,对试验数据进行了分析,为大面积地基处理设计、施工和检测标准的制定提供了直接依据。
5) impact compaction
冲击碾压
1.
The application of impact compaction in roadbed construction
冲击碾压在路基施工中的应用
2.
So as to a mass of experiment investigation and impact compaction,prominence increases the freeway subgrade impact density, strength and bears the weight of power, speeds up the freeway subgrade subside and reduces the freeway subgrade subside of the after work.
主要阐述了冲击压实机在高速公路路基补强冲击碾压中的应用情况,对高速公路挖方路基和高填方路基进行冲击压实处理,并进行了大量的试验研究,通过冲击碾压补强处理,显著提高了路基的压实度、整体强度和承载力,加速了路基的下沉降,减少了路基的工后沉降,达到了预期的目的。
3.
Plastic zone of pavement base increases gradually with the increasing times of impact compaction.
基于三维动力弹塑性有限元分析方法,对冲击压路机沿面板纵向中线及板边两种行驶路线,冲击碾压破碎旧水泥混凝土板时,路面板下基层的变形、受力及破坏特征等力学响应进行了分析。
6) impact crushing
冲击破碎
1.
In this paper,Movable Cellular Automata(MCA) is applied to the two dimensional numerical simulation on impact crushing of granular materials,from which their mesh diagram and temperature fields of materials crushing at different times are obtained.
通过移动元胞自动机法(MCA)对颗粒材料冲击破碎的二维数值模拟得到了不同时刻材料破碎的网格图和温度场,并与国外的相关数值模拟及光弹实验结果进行了比较,较好地反映出颗粒材料在冲击载荷作用下的破碎过程,解释了滑石块体、玻璃球在落锤冲击破碎实验中得到的部分实验现象。
2.
The piecewise linear contact force model of material layers during impact crushing is put forward, based on the quasi-static compression crushing experiments, in which the parameters of model are analyzed and a revert coefficient is introduced to express the relation between parameters.
针对冲击破碎过程,在初步准静压破碎实验的基础上,提出了物料层的分段线性接触力模型,并引入恢复系数来表示膨胀阶段和压缩阶段之间的参数关系。
3.
3D ANSYS/LS-DYNA software is applied to implementing the numerical stimulation of talc during the process of drop hammer impact,which represents the strain change and spallation phenomenon of brittle material during the process of impact crushing.
应用三维ANSYS/LS-DYNA软件实现滑石在落锤冲击过程的数值模拟,再现了单颗粒脆性材料在冲击破碎过程中应力变化及崩落现象,并与二维MCA数值模拟结果进行了对比。
补充资料：冲击波超压与动压