双色球综合走势图

武汉钢板租赁武汉铺路钢板租赁武汉铺路钢板租出租等是博汇鑫钢板出租公司的主要业务,价格实惠!

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桩尖有哪些作用呢?

来源:http://yyfjoud.com/ 作者:武汉铺路钢板租赁公司双色球综合走势图 发布时间:2018-07-01 17:36

  武汉桩尖出售一般是预应力管桩的桩尖,用于预应力混凝土管桩基础施工,用于管桩的最前端,在管桩下沉施工时安装在管桩头上,起引导和封堵作用。在工程预制桩施工时,桩尖焊接在桩头位置,带桩身进入土层,以免造成桩头破坏及桩身倾斜(垂直度控制),并能较好地进入持力层。

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