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                                    塑料污水井施工,基礎怎么做?

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                                    掃一掃!塑料污水井施工,基礎怎么做?掃一掃!
                                    人氣:-發表時間:2017-06-25 13:06【

                                    塑料污水井施工基礎的做法,以下內容參考《建筑小區塑料排水檢查井》應用技術規程CECS227:2007第23-24頁。

                                    一、基坑開挖

                                    1.基坑開挖應與管溝同時開挖,開挖時井座主管線與管溝中管道在同一軸線。

                                    塑料污水井施工,基礎怎么做?

                                    2.井坑變坡應與管溝邊坡一致。

                                    3.井坑開挖時,不得擾動基土超挖。

                                    4.地下水位較高的地區或者在雨季施工,應有排水、降低水位的措施。

                                    塑料污水井施工,基礎怎么做?

                                    5.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。

                                    6.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溝齊平。


                                    二、基坑回填

                                    1.砂土、巖土、沙礫土土質的井坑內鋪設100mm中粗砂墊層,見圖7.2.2a;

                                    塑料污水井施工,基礎怎么做?


                                    2.軟土土質的井坑內鋪設150mm厚碎石(磚)或礫石(粒徑5-40mm)道渣層,夯實后上層再鋪50mm中粗砂墊層,見圖7.2.2b;

                                    3.濕陷性黃土土質的井坑內原土夯實后鋪設三七灰土100-150mm墊層,再按照第一條鋪設中粗砂墊層,見圖7.2.2C

                                    塑料污水井施工,基礎怎么做?


                                    無錫市正林環保有限公司(www.xost.tw)致力于雨污排水方案解決17年,可免費測算工程量及現場技術指導,歡迎垂詢:4008800861或13606177904       


                                    關于正林環保產品中心榮譽資質經典案例人才招聘正林環保動態網站地圖

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