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4)通常情況下，接頭長度應盡可能在拐角和變形區域減小。除特殊要求外，在坡度大于1∶6的邊坡上，距坡頂或應力集中區1.5m范圍內，不得有水平角小于45°的接縫； </p> <p> <br /> </p> <p> 5)高密度聚乙烯土工膜應自然松弛，緊貼支撐層，不應折疊或懸掛。鋪設高密度聚乙烯土工膜時，應根據當地氣溫變化范圍和高密度聚乙烯土工膜的性能要求，預留溫度變化引起的膨脹變形，土工膜的膨脹量應根據場地地形和土工膜鋪設條件預留； </p> <p> <br /> </p> <p> 6)在鋪設 HDPE土工膜且未覆蓋保護層前，每隔2m~5m~5m在膜的轉角處放置30kg~40kg的沙袋，防止土工膜被風吹起；7)鋪膜過程中，檢查膜的外觀是否有破損、水痕、凹坑、孔洞、折痕等，并及時更換不合格產品。 </p></div> <script> window._bd_share_config = { common : { bdText : '<p> 1)鋪設的基底應無滲水、淤泥、積水、有機殘留物和可能造成環境污染的有害物質。地下室轉角處應平整，一般情況下，其圓弧半徑不得小于500mm2)室外鋪設和焊接 </p> <p style="text-align:center;"> <br /> </p> <p style="text-align:center;"> <img onload="resize(this,700)" src="/upload/image/20210409/20210409164220_95465.jpg" alt="高密度聚乙烯土工膜應在氣溫5℃以上" /> </p> <p style="text-align:center;"> <br /> </p> <p> 2)高密度聚乙烯土工膜應在氣溫5℃以上、風力4級以下、無雨雪天氣進行； </p> <p> <br /> </p> <p> 3)膜間接縫搭接寬度不小于100mm，接縫布置方向平行于最大坡度線，即沿坡度方向； </p> <p> <br /> </p> <p> 4)通常情況下，接頭長度應盡可能在拐角和變形區域減小。除特殊要求外，在坡度大于1∶6的邊坡上，距坡頂或應力集中區1.5m范圍內，不得有水平角小于45°的接縫； </p> <p> <br /> </p> <p> 5)高密度聚乙烯土工膜應自然松弛，緊貼支撐層，不應折疊或懸掛。鋪設高密度聚乙烯土工膜時，應根據當地氣溫變化范圍和高密度聚乙烯土工膜的性能要求，預留溫度變化引起的膨脹變形，土工膜的膨脹量應根據場地地形和土工膜鋪設條件預留； </p> <p> <br /> </p> <p> 6)在鋪設 HDPE土工膜且未覆蓋保護層前，每隔2m~5m~5m在膜的轉角處放置30kg~40kg的沙袋，防止土工膜被風吹起；7)鋪膜過程中，檢查膜的外觀是否有破損、水痕、凹坑、孔洞、折痕等，并及時更換不合格產品。 </p>', bdDesc : '<p> 1)鋪設的基底應無滲水、淤泥、積水、有機殘留物和可能造成環境污染的有害物質。地下室轉角處應平整，一般情況下，其圓弧半徑不得小于500mm2)室外鋪設和焊接 </p> <p...', bdUrl : 'http://www.dingyajx.com/news_show.php?theid=1450', bdPic : '' }, share : [{ "bdSize" : 16 }] } with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?cdnversion='+~(-new Date()/36e5)]; </script> <div class="thepageinfo"> 上一篇：<a href="news_show.php?theid=1451">河湖堤防保護措施的結構類型分類</a><br /> 下一篇：<a href="news_show.php?theid=1435">采用常規方法和復合三維排水網墊進行經濟技術</a><br /> <a href="news_list.php?tag=news&theid=17">返回列表</a><br /> </div> </div> </div> </div> </div> </div> <script> (function(){ var bp = document.createElement('script'); var curProtocol = 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