1) pretension support
预拉力支护
1.
The idea of pretension supporting and the technique o.
提出基于构造应力强度和顶板岩层赋存结构的复杂程度2项指标,对顶板稳定性状态进行分类,直观地反映了淮南矿区复合顶板易于离层的特点和倾向;进一步将该矿区普遍属于Ⅳ,Ⅴ类的煤巷类别细化为稳定型、破碎型、离层型及离层破碎型等4类,并针对顶板的离层控制难题提出预应力支护思想和系列预拉力支护技术,为解决长期困扰淮南矿区的煤巷支护问题提供了一套有效的技术途径;该项技术现已全面推广应用。
2) pretension bolt with high strength
高强预拉力支护
3) prestressed pull rod
预应力拉杆支护
1.
Application of prestressed pull rod in supporting;
预应力拉杆支护原理及其应用
4) prestressed cable brace
预应力拉索支撑
1.
The prestressed cable brace was first adopted in China, and the frequency method was first used to detect civil buildings.
广州体育馆屋盖为大跨度桁架 +交叉拉索支撑轻钢结构 ,采用的预应力拉索支撑是国内首创 ,并首次将频率法应用于民用建筑的检测。
5) prestressed soil-nailing support
预应力土钉支护
1.
Under the condition of high water level and sand or silt as foundation soil,the typical experiences of multiple support technologies for underground projects of adjacent buildings are introduced,including high-pressure spiral pile waterproof curtain,precipitation,micro pile and prestressed soil-nailing support.
介绍了在地下水位较高、地基土层为粉土或砂土的情况下,邻接建筑地下工程如何将高压旋喷桩止水帷幕、井点降水、微型桩+预应力土钉支护技术综合使用的典型经验。
补充资料：设备安装前的准备工作——设备的预装配与预调整
设备安装前的准备工作——设备的预装配与预调整 | ||
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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