青龙棋牌

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HDPE土工膜可以铺房顶吗
浏览: 发布日期:2019-12-24

  hdpeTUGONGMOSHIGONGZHUNBEI:SHIGONGQIANGENJUSHEJIYAOQIUHESHIGONGTIAOJIAN,NIDINGYITAOWANHAODESHIGONGZHILIANGGUANLIBANFAHEYANGEDECAOZUOGUICHENG,JIANLIJIANQUANZHILIANGQUEBAOTIXI,QUEBAOGONGCHENGSHIGONGZHILIANG。

  hdpeTUGONGMOSHIGONGGONGYILIUCHENG:DICENGCHAYANTUGONGMOPUSHETUCEHEGEHANJIETUGONGMOJIANCEHEGEHUOXIUBUHEGEGUCHAKANCHAYAN。

  土工膜铺设:该工程土工膜铺设分平面铺设和立面铺设两部分,土工膜查验合格后,先铺设平面后铺设立面,平面由东向西铺设,立面由下向上铺设。铺设应选在干燥暖和的天气进行。 为便于拼接、避免应力集中,土工膜铺设时应松紧适度,富余度约1.5%,摊开后及时拉平、摆开,要求土工膜与作用面吻合平坦,无突起褶皱;施工人员要求穿平底布鞋或软胶鞋,严禁穿钉 鞋,避免踩坏土工膜;施工时如发现土工膜损坏,应及时进行修补。

  土工膜焊接青龙棋牌:施工前先选用两小块300mm600mm的土工膜进行试焊,查看焊接成果,试焊合格后再进行正式焊接。正式焊接时应先擦拭焊缝处的尘土,避免焊缝不严。土工膜的焊接方式, 主要为双缝热合焊接和单缝揉捏焊接。对于大面积的土工膜,主要是选用热楔式焊接机进行热合双焊缝焊接;对于非直接搭接的部位、部分修补部位、阴阳角及加强处理等特殊部位,有必要选用 揉捏熔焊机进行堆焊单焊缝焊接。

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