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地址：湖南省长沙经济技术开发区开元东路59号817室<br /> <br /></div> </div> </div> <div class="content pageNews fr"> <div class="tit"> <div class="sitepath" id="sitepath"> 当前位置：<a href="http://www.5577012.com//Default.html" class="home">网站首页</a> > <a href="http://www.5577012.com//xinwenzhongxin/">新闻中心</a> </div> <div class="titcontent"> <h2>新闻中心</h2> <s></s> </div> </div> <div class="tod information"> <div class="mainContent"> <h1>学校声屏障设计注意事项</h1> <div class="mark"><span>作者：本站 </span> <span>来源：本站 </span> <span>时间：2019年04月30日</span></div> <div class="info"> <p> 　　我们知道对噪声的防治措施主要是控制声源和采用吸声、隔声材料。声源控制主要是通过改进设备结构，提高加工和装配质量，以降低声源的辐射能量。设计学校声屏障的理念包含什么? </p> <p style="text-align:center;"> <img src="http://www.5577012.com//Content/UploadFiles/image/20190430/20190430155247_8540.png" title="title" alt="title" /> </p> 　　实际应用中有效的噪声治理则是通过采用吸声材料来达到降噪的效果。因此在学校和闹区之间插入隔音设施lols10下注平台，有效的组隔各种噪音对学习、生活带来的影响。<br /> 　　学校声屏障是由H钢立柱和吸声屏体两部分组成，H钢立柱是主要受力部件，吸声屏体高度一般在10——15dB(A)(125Hz——40000Hzlols10下注平台，1/3倍频程)*达20dB(A)。<br /> 　　声屏障的减噪量与噪声的频率lols10下注平台、屏障的高度以及声源与接收点之间的距离等因素有关lols10下注平台。声屏障的减噪效果与噪声的频率成分关系很大，对大于2000Hz的高频声比800一1000Hz左右的中频声的减噪效果要好，但对于25Hz左右的低频声。<br /> 　　由于声波波长比较长而很容易从屏障上方绕射过去，所以效果就差lols10下注平台。通常，声屏障对高频声可降低l0—15dB。学校声屏障的高度，可根据声源与接收点之间的距离设计，屏障的高度增加一倍，则其减噪量可增加6dB，为了使屏障的减噪效果较好，应尽量使学校声屏障靠近声源或接收点。<br /></div> <div class="baiduShare"> <style type="text/css"> #bdshare { float:right !important; width:200px; } #bdshare span.bds_more, .bds_tools a { line-height:14px; } .baiduShare { margin-bottom:5px; } </style>  <div id="bdshare" class="bdshare_t bds_tools get-codes-bdshare"> <span class="bds_more">分享到：</span> <a class="bds_qzone"></a> <a class="bds_tsina"></a> <a class="bds_tqq"></a> <a class="bds_renren"></a> <a class="bds_t163"></a> </div> <script type="text/javascript" id="bdshare_js" data="type=tools&uid=0" ></script> <script type="text/javascript" id="bdshell_js"></script> <script type="text/javascript"> document.getElementById("bdshell_js").src = 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