江苏快3

平达塑料防腐管材

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公司对造成FRPP管损坏的不同原因调查

公司对造成FRPP管损坏的不同原因调查

在被调查的范围内,由于流砂形成的孔洞不易察觉,大部分坍塌带有突然性,不仅造成FRPP管江苏快3排水受阻,而且严重影响了地面交通、周围环境和地下管线安全。

YOUTONGJIJIEGUOKEKANCHU,SUNHUAILEIXINGXIANGDUIBIJIAOJIZHONG,JIEKOULIUSHASHENLOUZAOCHENGLUMIANXIACHENYUTAXIANSHIZHUYAODE,XIACHENYUTAXIANZHUYAOJIZHONGZAIGANGZHA、KAIFAQULIUSHAXIANXIANGBIJIAOYANZHONGDEDIQU。GUANDAOBUJUNYUNXIACHENDEYUANYINSHIDUOFANGMIANDE,ZHUYAOWEI:

  1. 沟槽开挖施工对流砂层产生扰动,仅作一般的平整、夯实对控制流砂层的运动是不够的,在管道上覆荷载的作用下,在某些薄弱区域将会产生相对较大的沉陷,导致管道接头拉裂,FRPP管江苏快3内外压力的不平衡又进一步加剧对流砂层的扰动冲刷,直至地基及管道损坏和路面下沉。

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