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mortar bolt
相关语句
  砂浆锚杆
     Study on Anchorage and Failure Mechanism of Mortar Bolt
     砂浆锚杆的锚固及失效机理研究
短句来源
     The paper analyses the structure and the principle of the common mortar bolt,and simplifies the bearing plate which supported by the wall-rock stress to the mechanical model of the simple annular plate which supported uniformly distributed loading.
     本文在分析普通砂浆锚杆结构及其工作原理的基础 ,将承受围岩应力的锚杆托板简化为承受均布荷载的简支圆环板的力学模型。
短句来源
  相似匹配句对
     Study on Anchorage and Failure Mechanism of Mortar Bolt
     砂浆锚杆的锚固及失效机理研究
短句来源
     Polyurethane Mortar
     聚氨酯砂浆
短句来源
     Survey on Construction Technology of Epoxy Mortar Anchor Fang Bolt
     浅谈环氧砂浆铆固地脚螺栓施工技术
短句来源
     Colliaion Bead Bolt
     碰珠门闩
短句来源
     Improvement in Axle of U-bolt
     U型螺栓联接横轴的改进
短句来源
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In this paper, with regard to the practical problem in engineering,we study the pre-reinforcing effect and mechanism of applying mortar -bolts in the top part of shallow tunnel by means of model test.The test result shows that by using this technique pressure state on the arch part of tunnel can be improved, slide of soil body above tunnel towards the entrance end prevented, and collapse and settlement of the soil body decreased.Moreover, some technical parameters of executing pre-reinforcing method,...

In this paper, with regard to the practical problem in engineering,we study the pre-reinforcing effect and mechanism of applying mortar -bolts in the top part of shallow tunnel by means of model test.The test result shows that by using this technique pressure state on the arch part of tunnel can be improved, slide of soil body above tunnel towards the entrance end prevented, and collapse and settlement of the soil body decreased.Moreover, some technical parameters of executing pre-reinforcing method, e.g.reinforced width, span and length of bolt, are also analyzed and studied.The result is of some reference value to the design and construction departments.

本文针对现场工程实例,采用模型试验的手段,探讨了用砂浆锚杆对浅埋隧道地表进行预加固的效果与机理.结果表明,应用这种工程措施,可改善浅埋隧道拱部的受力状态;防止上方覆盖山体向洞口端滑动以及减轻山体的坍塌下沉.文中还对预加固时的有关技术参数,如加固宽度、锚杆间距及长度做了分析研究,其结果可供设计和施工部门参考.

A coupled spatial computational model of shallow tunnels pre reinforced with surface mortar bolts is developed by using three dimension bolt element in which the shear action between bolt and mortar is considered and a coupling program of spatial elastic plastic finite element,infinite element,and bolt element is made.Compared with the results of measuring in site and model tests the model has high computational precision.And this analysis method will also shed light on...

A coupled spatial computational model of shallow tunnels pre reinforced with surface mortar bolts is developed by using three dimension bolt element in which the shear action between bolt and mortar is considered and a coupling program of spatial elastic plastic finite element,infinite element,and bolt element is made.Compared with the results of measuring in site and model tests the model has high computational precision.And this analysis method will also shed light on engineering design.

采用考虑锚芯与灌浆体间剪切作用的三维锚杆单元 ,建立了地表锚杆预加固浅埋隧道的空间耦合数值分析计算模型 ,编制了空间弹塑性有限元 -无限元 -锚杆单元耦合程序 ,并通过与现场量测和室内模型试验研究成果的比较 ,表明计算模型具有较高的计算精度 ,其分析方法对工程设计具有一定的指导意义

In this paper, a coupled spatial analysis model of shallow tunnels pre reinforced with surface mortar bolts is developed using 3D bolt element and a coupling program of spatial elastic plastic finite element, infinite element and bolt element is compiled. Some significant conclusions for guiding engineering design and construction are given with computing a related engineering example.

本文采用三维锚杆单元 ,建立了地表锚杆预加固浅埋隧道的空间耦合数值分析模型 ,编制了空间弹塑性有限元—无限元—锚杆单元耦合程序 ,并对相关工程实例进行了分析计算 ,得出了一些对工程设计和施工具有指导意义的结论

 
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