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onload="resize(this,700)" src="/upload/image/20160520/20160520144117_51044.jpg" alt="" /></span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> </span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 在高速公路工程中，采用無紡土工布和<strong><u><a href="http://www.370255.com" target="_blank">玻纖格柵</a></u></strong>兩種土工合成材料，能有效減緩瀝青混凝土面層裂縫的產生，對土工布的特點和施工工藝、應用效果進行了分析和研究。 </span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 一、概述高速公路瀝青混凝土路面在使用過程中，由于日益嚴重的超載以及設計或施工方面的不完善，造成結構本身強度不足，從而產生開裂現象，由于從裂縫中不斷滲入水分使基層甚至路基軟化，導致承載力下降，產生網裂、縱橫向裂縫等病害，加速路面破壞，嚴重縮短了路面使用壽命。重點介紹土工合成材料在路面損害維修處理中的應用。</span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 二、土工布應用于病害處理方法：拉爾及利亞高速公路全長513.18公里，竣工于2014年，由于地處軟土地段，加之通車后交通量大，超載嚴重，路面施工也存在施工質量問題，雖養護部門采取多種修補方法，如乳化瀝青稀漿封層等都不能徹底修復病害，因此，按常規養護不能根除上述病害，為了確保滬杭高速公路正常運營，該工程采用鋪設無紡土工布和玻纖網防止路面裂縫和SBS改性瀝青罩面等修補措施，以期有效的對路面病害進行處理。</span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> <img onload="resize(this,700)" src="/upload/image/20160520/20160520144209_41923.png" alt="" /></span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 1.采用<strong><u><a href="http://www.370255.com" target="_blank">無紡土工布</a></u></strong> ：</span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;">主要有以下特點： (1)耐高溫。瀝青混合料攤鋪時溫度高達150℃左右，故要求夾層材料在此溫度下不能收縮或熔化、卷曲變形。以聚酯為原料，熔點高達230℃，在攤鋪時性能穩定，不會發生任何變化。 </span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> (2)經緯向均具有較高的抗拉強度。 </span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> (3)吸附性好。其表面均勻，滲透性好，可均勻吸收瀝青并達到飽和，使之與路面的粘結致密。 </span> </p> <p> <span style="line-height:2.5;font-family:'Microsoft YaHei';font-size:16px;"> (4)具有良好的化學穩定和抗生物性能。 </span> </p> <p> <span style="line-height:2.5;font-family:'Microsoft YaHei';font-size:16px;"> <img onload="resize(this,700)" src="/upload/image/20160520/20160520144237_93781.jpg" alt="" /></span> </p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 2 </span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;">無紡土工布力學性能指標該工程采用深圳海川“特雷維拉”(Trevira)T010/140和江蘇宜興錦宏土工布廠產品，期力學性能指標與《公路土工合成材料應用技術規范》JTJ/T019-98（簡稱規范）對照如下</span><br /> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> </span><img onload="resize(this,700)" src="/upload/image/20160520/20160520143653_28822.png" alt="" /><br /></div> <script> window._bd_share_config = { common : { bdText : '<p> <br /> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> <strong><u><a href="http://www.370255.com" target="_blank">北京中瑞環?？萍脊こ坦?/a></u></strong>近幾年出色完成一批批援建物資供應任務，包括阿爾及利亞高速公路工程，贊比亞高速公路工程，巴基斯坦公路援建工程，在國外公路工程中，<strong><u><a href="http://www.370255.com" target="_blank">土工布</a></u></strong>到底起到多大的作用，中瑞環保為你解答：</span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> <img onload="resize(this,700)" src="/upload/image/20160520/20160520144117_51044.jpg" alt="" /></span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> </span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 在高速公路工程中，采用無紡土工布和<strong><u><a href="http://www.370255.com" target="_blank">玻纖格柵</a></u></strong>兩種土工合成材料，能有效減緩瀝青混凝土面層裂縫的產生，對土工布的特點和施工工藝、應用效果進行了分析和研究。 </span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 一、概述高速公路瀝青混凝土路面在使用過程中，由于日益嚴重的超載以及設計或施工方面的不完善，造成結構本身強度不足，從而產生開裂現象，由于從裂縫中不斷滲入水分使基層甚至路基軟化，導致承載力下降，產生網裂、縱橫向裂縫等病害，加速路面破壞，嚴重縮短了路面使用壽命。重點介紹土工合成材料在路面損害維修處理中的應用。</span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 二、土工布應用于病害處理方法：拉爾及利亞高速公路全長513.18公里，竣工于2014年，由于地處軟土地段，加之通車后交通量大，超載嚴重，路面施工也存在施工質量問題，雖養護部門采取多種修補方法，如乳化瀝青稀漿封層等都不能徹底修復病害，因此，按常規養護不能根除上述病害，為了確保滬杭高速公路正常運營，該工程采用鋪設無紡土工布和玻纖網防止路面裂縫和SBS改性瀝青罩面等修補措施，以期有效的對路面病害進行處理。</span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> <img onload="resize(this,700)" src="/upload/image/20160520/20160520144209_41923.png" alt="" /></span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 1.采用<strong><u><a href="http://www.370255.com" target="_blank">無紡土工布</a></u></strong> ：</span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;">主要有以下特點： (1)耐高溫。瀝青混合料攤鋪時溫度高達150℃左右，故要求夾層材料在此溫度下不能收縮或熔化、卷曲變形。以聚酯為原料，熔點高達230℃，在攤鋪時性能穩定，不會發生任何變化。 </span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> (2)經緯向均具有較高的抗拉強度。 </span> </p> <p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> (3)吸附性好。其表面均勻，滲透性好，可均勻吸收瀝青并達到飽和，使之與路面的粘結致密。 </span> </p> <p> <span style="line-height:2.5;font-family:'Microsoft YaHei';font-size:16px;"> (4)具有良好的化學穩定和抗生物性能。 </span> </p> <p> <span style="line-height:2.5;font-family:'Microsoft YaHei';font-size:16px;"> <img onload="resize(this,700)" src="/upload/image/20160520/20160520144237_93781.jpg" alt="" /></span> </p> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> 2 </span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;">無紡土工布力學性能指標該工程采用深圳海川“特雷維拉”(Trevira)T010/140和江蘇宜興錦宏土工布廠產品，期力學性能指標與《公路土工合成材料應用技術規范》JTJ/T019-98（簡稱規范）對照如下</span><br /> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:2.5;"> </span><img onload="resize(this,700)" src="/upload/image/20160520/20160520143653_28822.png" alt="" /><br />', bdDesc : '<p> <br /> </p> <p> <span style="font-family:'Microsoft...', bdUrl : 'http://www.dingyajx.com/news_show.php?theid=235', bdPic : '' }, share : [{ "bdSize" : 16 }] } 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