地鐵聲屏障-防塵網-防風抑塵網-擋風抑塵墻「尚科環?！?/title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="author" content="防塵網-防風抑塵網-擋風抑塵墻「尚科環?！?><meta name="keywords" content="聲屏障,鐵路聲屏障,公路聲屏障,山東聲屏障生產廠家"><meta name="description" content="地鐵聲屏障主要由鋼結構立柱和吸隔聲屏板兩部分組成，立柱是地鐵聲屏障的主要受力構件，它通過螺栓或焊接固定在道路防撞墻或軌道邊的預埋鋼板上;吸隔聲板是主要的隔聲吸聲構件，它通過高強彈簧卡子將其固定在H型立柱槽內，形成地鐵聲屏障。地鐵聲屏障的設計..."><link href="/Upload/1490075508.ico" type="image/x-icon" rel="icon"><link href="/Upload/1490075508.ico" type="image/x-icon" rel="shortcut icon"><link href="/App/Tpl/Home/ceshi/Public/css/style.css" rel="stylesheet" type="text/css" /><script type="text/javascript" src="/Public/jquery/jquery-1.7.2.min.js"></script><script type="text/javascript" src="/App/Tpl/Home/ceshi/Public/js/common.js"></script><script type="text/javascript" src="/Public/jquery/jquery.SuperSlide.js"></script><script> $(document).ready(function(e) { pageInit(); function pageInit(){ if( $("#top_1").length > 0 ){ if( "1" == 1 ){ $.get("/public/getJson/l/cn", null, function(data){ UpdateLoginStatus(data['MemberID'], data['MemberName'], data['EnableMember']); 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padding: 0px; color: rgb(0, 0, 0); font-family: 宋體; font-size: 14px; line-height: 25px;"> 地鐵聲屏障主要由鋼結構立柱和吸隔聲屏板兩部分組成，立柱是地鐵聲屏障的主要受力構件，它通過螺栓或焊接固定在道路防撞墻或軌道邊的預埋鋼板上;吸隔聲板是主要的隔聲吸聲構件，它通過高強彈簧卡子將其固定在H型立柱槽內，形成地鐵聲屏障。地鐵聲屏障的設計已較為充分地考慮了高架高速道路、城市輕軌、地鐵的風載、交通車輛的撞擊安全和全天候的露天防腐問題。它外形美觀大方，制作精致，運輸、安裝方便，造價低，使用壽命長，特別適用于高架高速道路和城市輕軌、地鐵的防噪聲使用，是現代化城市最理想的隔聲降噪設施。地鐵聲屏障，高度在1m一5m間，覆蓋有效區域平均降噪達10～15dB(A)(125Hz～40000Hz，1/3倍頻程)，最高達20dB(A)。一般來講，地鐵聲屏障越高，或離聲屏障越遠，降噪效果就越好。聲屏障按材質分類又可以分為以下幾類：金屬聲屏障(金屬百葉、金屬篩網孔)、混凝土聲屏障(輕質混凝土、高強混凝土)、PC聲屏障、玻璃鋼聲屏障等。按不同的用途又可以分為這樣幾類：鐵路聲屏障、公路聲屏障、城市景觀聲屏障、居民區降噪聲屏障等。</p> <p style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: 宋體; font-size: 14px; line-height: 25px;"> 　　地鐵聲屏障的減噪效果：聲波在傳播過程中，遇到地鐵聲屏障時，就會發生反射、透射和繞射三種現象。地鐵聲屏障能夠阻止聲音直達傳播，并使反射聲有足夠的衰減，而透射聲的影響可以忽略掉。所以，我們在聲源和接收點之間插入一個地鐵聲屏障，設屏障無限長，聲波只能從地鐵聲屏障上方繞射過去，而在其后形成一個聲影區，就象光線被物體遮擋形成一個陰影那樣。在這個聲影區內，人們可以感到噪聲明顯地減弱了，這就是地鐵聲屏障的減噪效果。</p> <p style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: 宋體; font-size: 14px; line-height: 25px;"> 　　地鐵聲屏障結構形式及材料選擇：</p> <p style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: 宋體; font-size: 14px; line-height: 25px;"> 　　1. 聲屏障結構形式：結構型式可采用全封閉式、半封閉式和直立式的聲屏障形式。</p> <p style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: 宋體; font-size: 14px; line-height: 25px;"> 　　2. 材料選擇：聲屏障吸聲部分為穿空鋁板吸聲板，內部吸聲材料采用無堿憎水玻璃布包裹離心玻璃棉，透明部分為夾膠玻璃。內部吸聲材料采用0.15毫米的無堿憎水玻璃布包裹厚度不小于50mm厚的離心玻璃棉，無堿憎水玻璃布基本不影響玻璃棉的吸聲系數,不吸水,不滲透水;離心玻璃棉密度為48kg/m3，平均吸聲系數NRC≥0.95。夾膠玻璃厚度采用5mm+0.76mm+5mm，兩外層采用5毫米的玻璃，中間為0.76毫米的透明膠膜。聲屏障立柱H型鋼并進行防腐噴涂，附屬金屬配件均需熱浸鍍鋅外噴抗紫外線防腐涂料。</p> </div><div class="info_previous_next_wrap"><div class="Previous"><b>上一聲屏障：</b><a href="/shengpingzhang/200.html" title="小區聲屏障">小區聲屏障</a></div><div class="Next"><b>下一聲屏障：</b><a href="/shengpingzhang/198.html" title="橋梁聲屏障">橋梁聲屏障</a></div></div></div><div class="right_bottom"></div></div><div class="clear"></div></div><div id="link_main"><div id="link"><div class="link_title"><h2>友情鏈接</h2></div><div class="link_body"><div class="link_pic"><ul></ul></div><div class="link_text"><ul></ul></div></div><div class="link_bottom"></div></div></div><div id="copyright_main"><div id="copyright"><div class="bottom_navigation"><a href="/" target="_self" >網站首頁</a><span class="line">|</span><a href="/yichengwang.html" target="_self" >防風抑塵網</a><span class="line">|</span><a href="/shengpingzhang.html" target="_self" >聲屏障</a><span class="line">|</span><a href="/fangchenwang.html" target="_self" >防塵網</a><span class="line">|</span><a href="/yichenqiang.html" target="_self" >擋風抑塵墻</a><span class="line">|</span><a href="/gesheng.html" target="_self" >隔聲屏障</a><span class="line">|</span><a href="/case.html" target="_self" >工程案例</a><span class="line">|</span><a href="/companynews.html" target="_self" >技術文檔</a><span class="line">|</span><a href="/news.html" target="_self" >新聞資訊</a><span class="line">|</span><a href="/aboutus.html" target="_self" >關于我們</a><span class="line">|</span><a href="/contactus.html" target="_self" >聯系我們</a></div><div class="bottom_info"><b>聯系人：</b>崔經理 <b>手機：</b>13583419357 <b>電話：</b>0534-2732322 <b>傳真：</b>0534-2732322 <b>郵件：</b>289321389@qq.com <br /><b>網址：</b><a href="http://www.jakobinsirkus.com" target="_self">http://www.jakobinsirkus.com</a> <b>地址：</b>德州市德城區天衢工業園萱蕙路西首<br /><a href="http://www.jakobinsirkus.com" target="_self">山東尚科環?？萍加邢薰?/a> 版權所有 2019-2024 <a target="_self"> 魯ICP備18049511號-2</a> <script> var _hmt = _hmt || []; 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