rock roof bolting 中文意思是什麼

rock roof bolting 解釋
巖頂錨桿支撐
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  • roof : n 1 屋頂，房屋；家屋。2 （放行李的）車頂；笠形罩。3 上頜。4 最高部，頂部；【礦物】頂板。5 【航空...
  • bolting : 伯爾廷
  1. Based on the rock pressure ' s characteristics of the pre - driven roadway, the rational support plan and parameters about roof bolting with bar and wire mesh are determined, and the manner of driven waste in place of coal was adopted

    基於斷層中預掘巷的礦壓特點，確定出其合理的錨梁網支護方案與支護參數，並採用了掘出的矸石與煤的合理「置換」方式。
  2. The underground tests show that the deformation and roof delamination of roadway surrounding rock can be effectively reduced by means of great increase of the bolt pretensioned stress, the steel strip plays an important role in the rock bolting system, and there exsits a critical value for pretensioned stress, up to or beyond which the rock bolting can effectively control the deformation and damage of the surrounding rock

    井下試驗表明，大幅度提高錨桿預應力可顯著減小巷道圍巖變形，有效控制頂板離層；鋼帶在預應力支護系統中起非常重要的作用；錨桿預應力存在臨界值，達到或超過臨界值后錨桿支護可有效控制圍巖變形與破壞。
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