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π型钢梁架设过程公开,快来了解详情!

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在回撤工作面架设两趟π型钢梁作为加强支护,长度5m


◆架设加强支护

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开动手把注液升柱,使柱爪卡住π型钢梁的锯边,顶紧,然后用铁丝将单体液压支柱与铰接顶梁连接


架设π型钢梁的方法:首先施工人员须站在支护完好的地点,双手抓住钢梁将它插入已支护好的π型钢梁的两耳中,另一个人再用铁锤将梁的圆销打到位,再将梁托起,插入扁销,使梁保持平直并垂直于原有顶梁。再在梁的上面与上一架的棚子交叉背好,清理支柱位置的浮煤,挖好柱窝,穿好柱鞋,立好支柱。一人扶好支柱,另一人拿液枪清洗三用阀的注液口,再将注液枪卡套卡紧三用阀,开动手把注液升柱,使柱爪卡住π型钢梁的锯边,顶紧,然后用铁丝将单体液压支柱与铰接顶梁连接。【具体可参考《保障π型钢梁使用安全,千万别忽略了对焊缝的检查!》的相关内容】

 

摘梁时人要站在有支护,顶板完整可靠的一侧,使用长柄工具摘掉棚梁,摘π型钢梁时,应先将棚梁下方的杂物清理干净


◆回撤原有工字钢支护

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女人怎么靠自己赚钱 ZONGHEYISHANGQUANBUDENEIRONG,DAJIAYOUMEIYOUDUIπXINGGANGLIANGDEJIASHEGUOCHENGYOULEGENGDUODELEJIENI?RURUOWOMENFENXIANGDENEIRONGJININTIGONGLEBANGZHU,HUANYINGNINJIXUGUANZHUWOMENDEWANGZHAN,WOMENHUIWEIDAJIACHIXUGENGXINSHIXUNXINXI,NULIWEIMEIYIWEIKEHUTIGONGZHOUDAODEFUWU。


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