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16px;">井座與井筒和埋地管道的連接，均采用橡膠圈柔性連接，以適應地面沉降。</span></p><p><br/></p><p><span style="font-size: 16px;">2、開挖井坑與鋪設基礎<br/></span></p><p><br/></p><p><span style="font-size: 16px;">（1）井坑開挖應與管溝同時開挖，開挖時井座主管線應與管溝中管道在同一軸線。</span></p><p><br/></p><p><span style="font-size: 16px;">（2）井坑邊坡應與管溝邊坡一致。</span></p><p><br/></p><p><span style="font-size: 16px;">（3）井坑底開挖凈尺寸不應小于《建筑小區<a href='http://www.onattyso.com/news/431.html' target='_blank' class='key_tag'><font><strong>塑料排水檢查井</strong></font></a>應用技術規程》（CECS227:2007）表中7.2.1的規定。</span></p><p><br/></p><p><span style="font-size: 16px;">（4）有沉泥室雨水檢查井井坑應根據選用的規格局部開挖沉泥室深度。</span></p><p><br/></p><p><span style="font-size: 16px;">（5）井坑開挖應根據選用的規格，考慮井座主管線偏置因素，偏置端的坑壁應與管端平齊。</span></p><p style="text-align: center;"><img src="http://cdn.xypt.top/b959ea20/20/11/d6ab288b019f12a7f91ae80817cb058eedade115.jpg" title="塑料檢查井" alt="塑料檢查井" style="width: 600px; height: 400px;" width="600" vspace="0" height="400" border="0"/></p><p><span style="font-size: 16px;">3、檢查井接管安裝</span></p><p><br/></p><p><span style="font-size: 16px;">（1）檢查井井座與管道連接安裝順序應先從接戶管上游段起始安裝，按照井-管-井順序安裝，逐漸向下游支管延伸。</span></p><p><br/></p><p><span style="font-size: 16px;">（2）井座接頭與管道連接施工方法應與同類型接頭的管道連接施工方法一致。</span></p><p><br/></p><p><span style="font-size: 16px;">（3）井座與匯入管、排水管連接需要變徑，采用<a href='http://www.onattyso.com/product/768.html' target='_blank' class='key_tag'><font><strong>異徑接頭</strong></font></a>時，當匯入管管徑小于井座接口管徑時，應管頂平接;井座出管接口大于下游管道時，管道連接應管內底平接。</span></p><p><br/></p><p><span style="font-size: 16px;">（4）馬鞍接頭的安裝，應根據井筒尺寸和連接管道的直徑采用專用工具在井壁上開孔，孔洞周圍邊緣應平整，安裝馬鞍接頭不得倒坡。</span></p><p><br/></p><p><span style="font-size: 16px;">（5）在地下水位較高或雨季施工期間，在管道（含檢查井）安裝完成（但尚未進行灌水試驗）時，應采取防止井體上浮的技術措施。</span></p><p><br/></p><p><span style="font-size: 16px;">4、檢查井井筒的安裝<br/></span></p><p><br/></p><p><span style="font-size: 16px;">（1）井筒的長度應為井座連接井筒的承口底部至設計地面的高度減去井筒頂至地面的距離。當地面或路面標高難以精確確定時，井筒長度可適當預留余量。</span></p><p><br/></p><p><span style="font-size: 16px;">（2）井筒插入井座應保持垂直，井筒插入時，不得使用重錘敲打，應采用專用的收緊工具。</span></p><p><br/></p><p><span style="font-size: 16px;">（3）井筒安裝后，上口應做臨時封堵。</span></p><p><br/></p><p><span style="font-size: 16px;">5、檢查井井蓋的安裝</span></p><p><br/></p><p><span style="font-size: 16px;">（1）井筒安裝前精確測量井筒長度，按照《建筑小區塑料排水檢查井應用技術規程》（CECS227:2007）表7.6.1切割井筒多余部分。</span></p><p><br/></p><p><span style="font-size: 16px;">（2）安裝井蓋應安裝檢查井的輸送介質確定，污水井蓋與雨水井蓋不得混淆。</span></p><p><br/></p><p><span style="font-size: 16px;">（3）有防護蓋座的污水檢查井的井筒上還應安裝內蓋。 </span></p><p><br/></p><p><span style="font-size: 16px;">以上幾點是<a href='http://www.onattyso.com/news/449.html' target='_blank' class='key_tag'><font><strong>檢查井廠家</strong></font></a>小編整理的一些施工規范，希望能給大家帶來一些幫助。</span></p><p><br/></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bshare-custom"> <a title="分享到QQ空間" class="bshare-qzone"></a> <a title="分享到新浪微博" class="bshare-sinaminiblog"></a> <a title="分享到人人網" class="bshare-renren"></a> <a 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