roof bolt 中文意思是什麼

roof bolt 解釋
頂板錨桿
  • 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...
  • bolt : n 1 螺釘，螺栓。2 （門窗等的）插銷；閂，鎖簧。3 箭，矢；弩箭；【軍事】槍機，槍栓。4 電光，閃電。5...
  1. Practices on bolt, mesh, anchor and beam support in coal drift under unstable roof condition of cataclastic rock mass

    不穩定頂板煤巷錨網索梁支護實踐
  2. Research and development of new drilling bit for roof bolt driller

    錨桿鉆機新型鉆頭的研製
  3. The sentry box of the activity fully use internal wall panel and one s own intensity of the roof boarding, through draw nail, bolt, connection nailed to make up finalize the design the prefab system. construction swift, being portable, especially suitable for urban municipal administration, entrance guard room, service department, etc

    活動崗亭是通過充分利用夾芯墻板及屋面板的自身強度，通過拉釘螺栓自攻釘將鋼結構底座墻面夾芯板和屋面板連接組成的房屋系統。
  4. Bolt - mesh - beam support technology used in instable roof seam roadway

    破碎不穩定頂板煤巷錨網梁支護技術
  5. Discussin on bolt and cable supporting technique of the comples roof

    復合頂板巷道錨桿錨索支護技術探討
  6. Establishing and strengthening the protection system for roof - bolt coal roadway in view of the safety in production

    建立健全煤巷錨桿支護保障體系確保安全生產
  7. Roof bolt plates for mining and tunnel support

    礦井和遂道支撐用防護錨栓板
  8. Homeproductseven roof flat roof fully use internal wall panel and one s own intensity of the roof boarding, through draw nail, bolt, connection nailed to make

    是通過充分利用夾芯墻板及屋面板的自身強度，經過拉釘螺栓自攻釘的連接而組成的定型活動房屋系統。
  9. The latest constructing machine and the newest technology were adopted to ensure that the borehole is perpendicular to the rock face of roof and that the depth of borehole and the torsional moment of the anchoring bolt meet the design requirement

    採用最新錨桿施工機具及工藝，保證鉆孔垂直於頂板巖面，孔深及錨桿扭矩滿足新型機械錨桿的設計要求。
  10. Test and research on bolt and wire mesh support for mine roadway with broken seam roof

    破碎煤頂巷道錨網支護試驗研究
  11. Application of bolt steel mesh anchor shotcreting combined support technology to repair mine roadway with large cross section roof falling

    錨網索噴聯合支護技術在大斷面高冒巷道修復中的應用
  12. Bolt and cable supporting technique in deep - buried coal roadway with compound roof

    深部煤巷復合頂板錨索支護技術
  13. Expansion type roof bolt

    膨脹式錨桿
  14. Bolt supporting technique for composite roof in tunlan mine

    屯蘭礦復合頂板巷道錨桿支護技術與實踐
  15. 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。
  16. Bolt and truss supporting technology of combined roof in the below coal roadway of near coal seams

    近距離煤層下層煤巷復合頂板錨桿與桁架支護技術
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