roof bolt的例句大全

With material mechanics theory, expounded bolt tail subjected to no center load action and roof bolt broken mechanism while roadway was supported with bolts.

应用材料力学理论，阐明了锚杆支护时锚尾一定受到偏心载荷作用和顶板锚杆破断的机理。

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application of roof bolt support technology in room and pillar mining of daliuta mine

锚杆支护在大柳塔矿房柱式开采中的应用

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study on salver backout technology in roof bolt supporting of entry

回采巷道顶板锚杆托盘拆除技术研究

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finite element analysis on roof bolt vibrating load of rod pumped well

抽油机井杆柱振动载荷有限元分析

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The utility model discloses a roof bolt disassembling machine, including an air leg part, a pneumatic wrench and a sleeve, the lower end of the pneumatic wrench is provided with a flange;

本实用新型公开了一种顶板锚杆拆卸机，包括有气腿部件、气动扳手和套筒，所述气动扳手下端设有法兰盘；

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Numerical Simulation of Flat-roofed Tunnel-bolting Support Mechanism

平顶巷道锚杆支护机理的数值模拟

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study of the roof-bolting method instead of bolting and shotcrething in supporting of rock roadway

岩石巷道中锚杆支护系统代替锚喷支护系统的研究

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this paper discusses the methods of controlling roof and structure, properties and characteristics of rs bolt using rs bolt support technique at xinghua coal mine. anchor and support mechanism of rs bolt are analyzed.

叙述了杏花矿应用RS混合型锚杆支护技术管理顶板的方法及RS混合型锚杆的结构、性能和特点，分析了RS混合型锚杆的锚固机理和支护机理。

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technique of advancing bolt support under friable roof

破碎顶板超前锚杆支护技术

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In future under roof falling using bolt support provides referential experiences.

对今后顶板破碎条件下采用锚杆支护提供了可借鉴的经验.

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With grouting-bolting as the kernel, pre-stressed anchor rope and anchor as the auxiliary structure, the three-bolting combined supporting system combining pressure-relief technology of roof control and laneway floor heave control technology solved the supporting stability problem in deep-seated soft rock roadway.

通过以锚注为核心，预应力锚索和锚杆为辅助支护结构的三锚联合支护技术，结合控顶放压技术和底臌控制技术解决了深部软岩巷道的稳定性控制问题。

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application of bolt supporting in big-roof area of machine roadway in fully mechanized mining work face

锚杆支护技术在综采面机道空顶区的应用

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Roof separation layer monitoring techniques and its analysis in bolt support tunnel

锚杆支护巷道顶板离层的现场监测与分析

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The s detecting structure instrument of the roof rock is integrated in the pneumatic bolt drill and data processing is adopted BP algorithm of mature net to identify the structure.

其中，顶板岩层结构探测仪是集成在风动锚杆钻机上，数据处理采用训练成熟的BP算法神经网络进行结构的识别；

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application of supporting technology combination of anchor cable and bolt in friable roof support

锚索锚杆联合支护在破碎顶板中的应用

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prevention of roof-fall accident at heading face of coal roadway supported by rock bolt

煤巷锚杆支护巷道迎头区冒顶的预防

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