復合土工膜焊縫施工中一定要加強對焊縫質量檢測-北京中瑞環?？萍脊こ坦?/title> <meta name="description" content="復合土工膜焊縫質量是質量控制的重點，施工中必須加強焊縫質量的檢測，檢測方法主要包括目測和現場檢漏。目視檢查方法:復合土工膜焊接后，觀察有無焊接泄漏、焊縫是否破損、有無皺折、拼接是否均勻等。" /> <meta name="applicable-device" content="pc,mobile"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <link rel="shortcut icon" href="tpl/images/favicon.ico" type="image/x-icon" /> <link rel="stylesheet" type="text/css" href="tpl/css/main.css" /> <link rel="stylesheet" type="text/css" href="tpl/css/style.css" /> <script type="text/javascript" src="tpl/js/comm.js"></script> <script type="text/javascript" src="tpl/js/jquery-1.8.3.min.js"></script>  <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><span id="tbmom"><table id="tbmom"><strong 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<h4><em>新聞動態</em></h2> <div class="list"> <ul> <li class="onfocus"><a href="news_list.php?tag=news&theid=17">公司新聞</a></li> <li onmouseover="this.classname='onfocus'" onmouseout="this.classname=''"><a href="news_list.php?tag=news&theid=18">業界動態</a></li> <li onmouseover="this.classname='onfocus'" onmouseout="this.classname=''"><a href="news_list.php?tag=news&theid=19">技術支持</a></li> <li onmouseover="this.classname='onfocus'" onmouseout="this.classname=''"><a href="news_list.php?tag=news&theid=24">媒體資訊</a></li> </ul> </div> </div> </div> <div class="right"> <div class="content"> <div class="newsshow"> <div class="thetitle">復合土工膜焊縫施工中一定要加強對焊縫質量檢測</div> <div class="theother"> <span class="bdsharebuttonbox" data-tag="share_1" style=" float:right;"> <a class="bds_weixin" data-cmd="weixin" href="#"></a> <a class="bds_qzone" data-cmd="qzone"></a> <a class="bds_tsina" data-cmd="tsina"></a> <a class="bds_baidu" data-cmd="baidu"></a> <a class="bds_renren" data-cmd="renren"></a> <a class="bds_tqq" data-cmd="tqq"></a> </span> <style> .theother h1,h2,h3,h4{font-weight:normal;font-size:12px;display:inline;} </style> <span style="float:right;"> <a href="http://www.meesuksilver.com/"><h4>土工膜</h4></a>,<a href="http://www.meesuksilver.com/"><h4>防滲膜</h4></a>,<a href="http://www.meesuksilver.com/"><h4>土工膜廠家</h4></a>,<a href="http://www.meesuksilver.com/"><h4>土工膜價格</h4></a> 時間：2019-04-18 網址：<a href="http://www.meesuksilver.com/">http://www.meesuksilver.com/</a> 分享： </span> </div> <div class="thecontent"><p> 復合土工膜焊縫質量是質量控制的重點，施工中必須加強焊縫質量的檢測，檢測方法主要包括目測和現場檢漏。目視檢查方法:復合土工膜焊接后，觀察有無焊接泄漏、焊縫是否破損、有無皺折、拼接是否均勻等。泄漏檢測方法:充氣方法測試滿焊,焊縫的兩倍,有大約10毫米之間兩個腔,兩端的部分在測試塊,插入針天然氣,天然氣0.05 MPa 0.20 MPa, 0.5分鐘沉思,觀察真空計,如壓力沒有下降,顯示無滲漏,合格的焊縫,及時修復或找到原因。 </p> <p align="center"> <img onload="resize(this,700)" alt="復合土工膜焊縫施工中加強對焊縫質量檢測" src="/upload/image/20190418/20190418165404_76991.jpg" /> </p> <p> </p> <p> 圍堰土工膜施工質量控制總體規劃 </p> <p> <br /> </p> <p> 相同的焊接機。如果在施工過程中使用了其他類型的焊機，則應重新測試。焊接試驗時應記錄溫度和風速。不同的溫度，不同的焊接溫度，對應不同的焊接行走速度進行各種組合試驗，找出理想的焊接溫度和行走速度。焊縫的各種組合應進行拉伸試驗，焊縫的斷裂位置不應在焊縫上，斷裂強度不應小于母材(主膜)強度的80%;主膜與主膜之間采用焊接接頭，局部焊接或焊接問題均采用粘接;每道焊縫正式焊接前，先用長度為100cm、寬度為20cm的土工膜進行試驗焊接。只有焊縫通過目視檢查后才能進行正式焊接。外觀合格的焊接試樣應進行拉伸強度測試。 </p> <p> 圍堰土工膜施工質量控制總體規劃 </p> <p> <br /> </p> <p> 用干凈的干棉紗或毛刷清理接縫表面污垢，或用脫毛劑去除接縫表面毛纖維，保持接縫表面干燥;焊接過程中應密切注意焊機的工作狀態，如有異?，F象應立即停機檢查;對于折痕等缺陷，先用砂布在一定范圍內對缺陷進行打磨，再刷上專用的粘接劑，再將制備好的geo膜片粘貼在一起，加壓2h。土工膜縫的施工應在白天進行;如遇雨天，應將工作表面的焊接或粘接作業懸掛起來，并用防雨布覆蓋。 </p></div> <script> window._bd_share_config = { common : { bdText : '<p> 復合土工膜焊縫質量是質量控制的重點，施工中必須加強焊縫質量的檢測，檢測方法主要包括目測和現場檢漏。目視檢查方法:復合土工膜焊接后，觀察有無焊接泄漏、焊縫是否破損、有無皺折、拼接是否均勻等。泄漏檢測方法:充氣方法測試滿焊,焊縫的兩倍,有大約10毫米之間兩個腔,兩端的部分在測試塊,插入針天然氣,天然氣0.05 MPa 0.20 MPa, 0.5分鐘沉思,觀察真空計,如壓力沒有下降,顯示無滲漏,合格的焊縫,及時修復或找到原因。 </p> <p align="center"> <img onload="resize(this,700)" alt="復合土工膜焊縫施工中加強對焊縫質量檢測" src="/upload/image/20190418/20190418165404_76991.jpg" /> </p> <p> </p> <p> 圍堰土工膜施工質量控制總體規劃 </p> <p> <br /> </p> <p> 相同的焊接機。如果在施工過程中使用了其他類型的焊機，則應重新測試。焊接試驗時應記錄溫度和風速。不同的溫度，不同的焊接溫度，對應不同的焊接行走速度進行各種組合試驗，找出理想的焊接溫度和行走速度。焊縫的各種組合應進行拉伸試驗，焊縫的斷裂位置不應在焊縫上，斷裂強度不應小于母材(主膜)強度的80%;主膜與主膜之間采用焊接接頭，局部焊接或焊接問題均采用粘接;每道焊縫正式焊接前，先用長度為100cm、寬度為20cm的土工膜進行試驗焊接。只有焊縫通過目視檢查后才能進行正式焊接。外觀合格的焊接試樣應進行拉伸強度測試。 </p> <p> 圍堰土工膜施工質量控制總體規劃 </p> <p> <br /> </p> <p> 用干凈的干棉紗或毛刷清理接縫表面污垢，或用脫毛劑去除接縫表面毛纖維，保持接縫表面干燥;焊接過程中應密切注意焊機的工作狀態，如有異?，F象應立即停機檢查;對于折痕等缺陷，先用砂布在一定范圍內對缺陷進行打磨，再刷上專用的粘接劑，再將制備好的geo膜片粘貼在一起，加壓2h。土工膜縫的施工應在白天進行;如遇雨天，應將工作表面的焊接或粘接作業懸掛起來，并用防雨布覆蓋。 </p>', bdDesc : '<p>...', bdUrl : 'http://www.dingyajx.com/news_show.php?theid=778', 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=779">土工膜焊縫搭接面不得有污垢</a><br /> 下一篇：<a href="news_show.php?theid=777">水利渠道防滲施工中襯砌問題不得忽略</a><br /> <a 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