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<a href="/protype108075.html" title="工程降水">工程降水</a> </div> </div> </div> <div id="sort_t"> 联系我们</div> <div id="sort_b"> <div id="sort_ct"> <img alt="联系我们" src="/template/365DGYQJS0014/pc/images/rc-68.jpg" /> </div> <div id="sort_ctb"> <strong>盐城井神机械化钻井有限公?/strong> <br /> 全国热线? <strong>15301402122</strong> <br /> 公司地址:淮安经济开发区扬州北街8??-6? <br /> 电  话:15301402122 <br /> ??人:盐城井神 <br /> 邮  箱:2052830879@qq.com </div> </div> </div> <div class="ny_right_r"> <div class="ny_dh_bg"> <div class="h1"> 新闻资讯 </div> <div class="h2"> 您所在的位置?a href="/">首页</a> > <a href="newstype25313.html">新闻中心</a> > <a href="news771109.html">各类降水工程方式的特点和适用情况</a> </div> </div> <div class="ny_product_detail"> <div class="ny_case_xq_t"> <h1>各类降水工程方式的特点和适用情况</h1> </div> <div class="ny_case_xq_c"> <span>文章来源:http://studio455photography.com/news771109.html</span> <span>发表时间?022-02-28 10:40:00</span> </div> <div class="ny_case_xq_contact"> <p>各种降水工程方法都要他比较独特的地方,也不是所有的工程都能适用法人,那么他们的特点和适用情况都是什么样的,下文给你详细介绍下:<br>  1、明沟加集水井降?br>  明沟加集水井是一种人工排水方式。主要去除地下潜水、施工用水和雨水。在地下水特别多的地区,如果只采用这种方法降水,施工过程中会因为基坑边坡渗水比较严重,锚喷网支护施工难度较大。因此,这种脱水方法一般不适合在地处高水位的地方做基坑边坡支护?br>  2、轻型井点降?br>  轻型井点降水适用于基坑面积不大,降低水位不深的场合。该方法降低水位深度一般在3-6m之间,若要求降水深度大于6m,理论上可以采用多级井点系统,但要求基坑四周外需要足够的空间,以便于放坡或挖槽?br>  3、喷射井点降?br>  喷射井点系统能在井点底部产生250mm水银柱的真空度,其降低水位深度大,一般在8-20m范围。它适用的土层渗透系数与轻型井点一样,一般为0.1-50m/d。但其抽水系统和喷射井管很复杂,运行故障率较高,且能量损耗很大,所需费用比其他井点法要高?br>  4、电渗井点降?br>  电渗井点适用于渗透系数很小的细颗粒土,如粘土、亚粘土、淤泥和淤泥质粘土等。这些土的渗透系数小?.1m/d,它需要与轻型井点或喷射井点结合应用,其降低水位深度决定于轻型井点或喷射井点?br>  5、管井井点降?br>  管井点比较常见的是用在渗透系数高的地层、地下水特别多的地层以及轻井点难以施工和解决的场合。每口管井的水流量一般是?0-100m3/h,土壤渗透系数在20-200m/d数值之间。这种施工方案一般应用在潜水层的脱水?br>  6、深井井点降?br>  深井点脱水是基坑支护中选择的比较多的一种脱水方法。他有比较明显的优势就是排水的时候量很大、在降水工程中,能减低的深度大、降水范围也是很大的。对于渗透系数大、渗透层厚度大的场合,如砾石层、轻井点、射流井点都不能有效,所以这种方法比较合适?br></p> <p><img src="/img.ashx?shopid=20167&file=2022022810564645.jpg" alt="[filename]"></p> </div> <div class="info_key"> <span>相关标签:</span><a href='/news.html?key=降水工程'>降水工程</a>, </div> <div class="ny_case_xq_b"> <div>上一条:<a href="news774664.html">打井可以为生活提供充足的水资源!</a></div><div>下一条:<a href="news771069.html">降水工程的一些施工方法介?/a></div> <div class="clear"></div> </div> <div class="crumb"> <span class="fl font_w fs18">相关新闻</span> </div> <div class="insNews clearfix pt10 fs14 font_w"> <ul> <li><a title="降水工程有哪些常见的施工方法? href="/news787248.html">降水工程有哪些常见的施工方法?/a><span>2022-03-31</span></li> <li><a title="降水工程的常见做法有哪些? href="/news779399.html">降水工程的常见做法有哪些?/a><span>2022-03-16</span></li> <li><a title="各类降水工程方式的特点和适用情况" href="/news771109.html">各类降水工程方式的特点和适用情况</a><span>2022-02-28</span></li> <li><a title="降水工程的一些施工方法介? href="/news771069.html">降水工程的一些施工方法介?/a><span>2022-02-28</span></li> </ul> </div> <div class="crumb"> <span class="fl font_w fs18">相关产品</span> </div> <div class="pt10 fs14 proliCon"> <ul class="clearfix tac"> </ul> </div> <script type="text/javascript"> (function ($) { var n_pro = $("#n_pro"); n_pro.owlCarousel({ items: 4, pagination: false, autoPlay: 3000 }); })(jQuery); </script> </div> </div> <div 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