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16:17:58</span> </div> <div id="xnv5x5l" class="detail"> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">虹吸雨水系統是屋面雨水排水的一種形式，是在設計條件下利用雨水斗至排出管之間的有效位差為動(dòng)力，使系統內部產(chǎn)生負壓的虹吸式雨水系統，其水力計算依據為流體力學(xué)的伯努利方程。由于系統適用于各種建筑屋面的雨水排除，因而深受用戶(hù)的青睞。</span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;"><br /> </span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">一、<a href="/product-1031.html">虹吸雨水系統</a>原理</span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">虹吸雨水系統由虹吸雨水斗、連接管、懸吊管、立管、排出管、配套管件和固定件組成。深圳海牛管業(yè)廠(chǎng)家為滿(mǎn)足不同屋面排水的要求，虹吸雨水系統按使用功能分為帶集水槽型雨水斗、無(wú)集水槽型雨水斗和防凍型雨水斗。虹吸式雨水斗由防葉罩、防渦流裝置、斗體等主要部件組成。</span> </p> <p style="text-indent:2em;" align="center"> <span style="font-family:SimSun;font-size:16px;"><img src="http://img01.fuhai360.com/--47/47750/202103/202103161624082237.jpg" alt="虹吸雨水系統原理虹吸雨水系統設計要點(diǎn)" title="虹吸雨水系統原理虹吸雨水系統設計要點(diǎn)" width="600" height="450" align="" /><br /> </span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">二、<a href="/tag/hongxiyushuixitongshejiyaodian">虹吸雨水系統設計要點(diǎn)</a></span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">1、大面積、大坡度、坡向復雜的鋼結構屋面采取虹吸雨水排水方案時(shí)，應從雨水排向和結構安全兩方面考慮。雖然屋面坡度大，仍應分段收集雨水，散設置集水坑。雨水的分段收集通過(guò)設置擋板和增大天溝蓄水容積來(lái)實(shí)現，使各雨水斗實(shí)際流量和計算取值的匯水面積相匹配。由于屋面坡度大，各雨水斗高度各不相同，為防止相互干擾，高差較大的雨水斗宜分別設置系統。</span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;"><br /> </span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">2、由于屋面有雙向坡度，造成雨水流向不明確，匯水面積無(wú)法確定。但經(jīng)過(guò)對屋面結構的研究，現屋面直立鎖邊的構造形成單向坡度的小溝，經(jīng)計算校核，小溝尺寸基本滿(mǎn)足全部雨水流量，而另一垂直方向坡度上只需考慮在狂風(fēng)暴雨等不利因素干擾下流過(guò)的少量雨水。由此可知，坡度復雜的鋼結構屋面應結合屋面結構構造考慮水流方向，必要時(shí)進(jìn)行試驗模擬以確定準確的匯水面積。</span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;"><br /> </span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">3、在屋面坡度較大的情況下，天溝蓄水能力極其有限，因此需要分散在低點(diǎn)設置集水坑。天溝及集水坑總的調蓄容積應根據規范要求并結合結構荷載綜合考慮，經(jīng)技術(shù)經(jīng)濟比較后確定，并保證不應小于虹吸啟動(dòng)時(shí)間的降雨量要求。</span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;"><br /> </span> </p> <p style="text-indent:2em;"> <span style="font-family:SimSun;font-size:16px;">4、溢流系統無(wú)法在外墻設置溢流口的情況下，可通過(guò)在縱溝內設置擋板實(shí)現溢流排水，減少溢流管道系統，既節約了造價(jià)，又保證了屋面排水的安全。</span> </p> </div> <div style="clear: both"></div> <div id="rtzh5lp" class="main_next"> <span id="n5rlt7r" class="prevrecord">上一條：<a href="/content/16.html"> 土工席墊規格及性能土工席墊作用</a></span> <span id="hxb55z5" class="prevrecord">下一條：<a href="/content/14.html"> 為什么要做雨水收集系統雨水收集系統的作用</a></span> </div> <div style="clear: both"></div> <h4 class="related"> <span>相關(guān)文章</span></h4> <div id="vxvntv5" class='relatedlist'> <ul class="relate_news"> <li><a href='/content/11.html' title='土工格柵施工要求土工格柵施工注意事項' target="_self"> 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