当前某些新型锚杆有忽视顶锚的不良倾向。作者介绍了新研制的楔管式锚杆的结构、加固原理、锚固性能、及其在现场条件下的拔拉试验与工业应用结果。
The authors described the structure of a newly - developed wedge-tube bolt, its reinforcement principles and anchoring performance, and the results of in situ pull test and productive applications.
本文提出了锚拉抗滑桩锚拉力计算的桩顶位移控制法,计算控制桩顶位移所需的最小锚拉力。
The thesis puts forward the pile-top displacement control method, and it can account the least force of the anchor wire on anti-slide pile.
双梁式整体提升法是一种新型的大型结构安装方法,主要由固定梁、活动梁、钢绞线、工作锚、工具锚、导向装置及千斤顶组成,与现在常用的安装方法相比,具有价廉、安全、高效和易推广等特点。
As a new installation method for big structures, double girder integral lift is mainly composed of fixed girder, moveable girder, work anchor, moveable anchor, jacks and guide rail.
介绍在分层开采煤层中,在假顶条件下实现锚杆支护。
In slicing seams, bolt supporting was utilized under false roof and obtained good result.
通过多种采矿方法的技术经济分析,认为采用锚杆护顶的全面采矿法较为合理。
Technological and economical analyses show that the breast stoping with roof bolting is more reasonable than others.
采用锚网支护方式维护厚煤层放顶煤沿底回采巷道时,多数需要考虑锚索加固问题。
The bolting with wire mesh is commonly used actual mining roadway of the thick coal seam, and in some cases the cabling reinforcement should be considered.
针对这一难题,文章介绍了两种锚索退锚工艺以及用退锚法放顶的实际效果。
This paper presents two kinds of technique to unload the cable bolts, with actual results in field trail being introduced.
工程采用的在人字门顶枢A、B拉架预留槽内预埋预应力锚杆的设计方案,在国内尚属首例。
The design scheme of installing pre-stressed anchorage rod in the channels of A and B tension bar in the top pintle of miter gate has been adopted, which is the first one at home.
本发明公开了一种气压沉箱锚桩支承装置,包括垫块、千斤顶,钢托架,锚桩,桩顶扩大头。
The anchor pile support apparatus for pneumatic caisson includes bearing block, jack, steel bracket, anchor pile and expanded pile head.
结果表明,锚杆轴力和桩顶位移满足要求,支护结构安全。
Monitoring results show that the axial stresses and displacement of pile top can satisfy requirements, and the supporting structure is safe.
在综合讨论大屯矿区现用锚网支护设计方法尚存问题的基础上,对厚煤层放顶煤沿底回采巷道的锚网(索)支护参数设计方法进行了全面分析。
Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...
在综合讨论大屯矿区现用锚网支护设计方法尚存问题的基础上,对厚煤层放顶煤沿底回采巷道的锚网(索)支护参数设计方法进行了全面分析。
Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...
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