1) bolt ahead through wedge
锚杆超前穿楔
1.
Aimming at some problems,such as bad shape of roadways,roof caving easy,and low speed of development in through coal and broken zone construction of the development system,the new technology of bolt ahead through wedge support is used.
针对开拓系统在穿煤及破碎带施工中巷道造型不好、顶板易抽冒及施工单进水平低等问题,采用了锚杆超前穿楔支护新工艺,并根据施工现场围岩条件制定了详细的施工方案及具体施工要求,避免了上述问题的出现,取得了较好效果。
2) forepoling bolts
超前锚杆
1.
Study on working mechanism of forepoling bolts in soil nailing protection;
土钉支护中超前锚杆的工作机理研究
2.
In this paper, the forepoling bolts with soil nailing are studied.
本文主要是对软土地区基坑开挖工程中应用广范的超前锚杆复合土钉支护的工作机理和影响超前锚杆土钉支护稳定性因素进行分析，做了以下工作： 1、本文概括了复合土钉支护的主要构造形式，并对复合土钉支护的施工方法和工艺特点进行简要介绍。
3) Wedge-and-pipe bolt
楔管锚杆
4) wedge bolt
楔式锚杆
1.
Therefore,designs reclaimable wedge bolt which can reduce the cost,avoid false construction and increase the recovery.
因此,设计了可回收楔式锚杆,降低了费用,避免了假性施工,提高了回收率。
5) Advanced rockbolting supporting method
超前锚杆支护法
6) advance split-tubes
管缝式超前锚杆
1.
This paper provides the expeditious construction method in rock heading under the complicated geographic conditions at Anhui Wobei Coal Mine Project in respect of steel support (advance split-tubes and beam support),construction equipment (rock drill on airfeed leg,slusher,etc),construction process and organization plan.
本文主要介绍了目前安徽涡北煤矿在复杂地质条件下,岩石平巷快速施工中采用金属支架 (管缝式超前锚杆、前探梁超前支护)为主要支护方式,以气腿式凿岩机和耙矸装岩机为主的作业线的施工配备、施工工艺及劳动组织形式等,上述几个方面阐述了实现快速掘进施工的途径。
补充资料：采用可拆卸预应力锚杆技术进行高层建筑基坑护坡
采用可拆卸预应力锚杆技术进行高层建筑基坑护坡
霹 采用可拆卸预应力锚杆技术进行高层建筑基坑护坡
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条