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[來源:www.haradaip.com] [作者:淤泥固化] [日期:18-11-08]

常用的淤泥處理方法主要有拋泥法、吹填法、自然晾曬法、化學固結法等,根據本項目進出泥泥質情況、處理規模、用地、東湖通道整體施工方式、工序和工期等因素,確定采用化學固結法。目前應用較多的化學固結法主要有: Sludge treatment methods are mainly throw mud, reclamation, natural drying method, chemical consolidation method, etc., according to the situation of this project in and out of the mud shale, processing scale, land use, the east lake channel integral factors such as construction method, process and time limit for a project, using the chemical consolidation method is determined. At present main application more chemical consolidation method are: ① 原位固結法 1) in-situ consolidation method 該法采用干塘法施工,即先將圍堰區內湖水排空,其后對湖底表層淤泥進行初次晾曬濾水,再向淤泥中投加固結劑,并通過攪拌混合、二次晾曬濾水、養護碾壓密實等工序進行處理。該法所有工序均在圍堰溝槽內進行,多用于厚度相對較淺的湖底表層淤泥處理。 The method by using dry pond construction, namely the cofferdam zone water drain first, followed by first air filter was carried out on the lake surface sludge water, and then to cic consolidation agent, and through mixing, secondary air filter water, curing processes such as compaction for processing. The all process are carried out within the cofferdam groove, more used to deal with the surface layer thickness is relatively shallow lake silt. ② 土工管袋脫水法 (2) geotechnical tube bag encapsulation-dehydration 該法采用不干塘法施工,即圍堰區內不干塘帶水作業,采用吸泥船將湖底表層淤泥和湖水一并抽吸,在此過程中將絮凝劑和穩定劑投入到吸泥管內并與其中的泥漿充分混合后由吸泥船上的泥漿泵輸送至湖岸上的淤泥處理場的土工管袋(由高分子材料制成具有過濾結構的管狀土工袋)內,在淤泥處理場內各土工管袋層層疊加堆放,通過重力靜壓對管袋內含有絮凝劑和穩定劑的泥漿進行擠壓脫水。該法所有處理工序均在湖岸上的淤泥處理場內進行,多用于厚度相對較深的湖底表層淤泥處理。 The law not pond method construction, namely the cofferdam area not pond with water, the dredge ship will bottom surface mud and water pump, along with all the flocculating agent and stabilizer in this process into the suction pipe and its slurry by suction after mixing the ship to the shore of the mud pump mud dump geotechnical tube bags (made of polymer materials with filter structure tubular geotextile bags), in the sludge disposal field geotechnical tube bags stacked layer upon layer overlay, static pressure for pipe by gravity bag containing flocculating agent and stabilizer of mud to squeeze dewatering. The all processing on the shore of the silt processing field, used in thickness is relatively more deep lake surface sludge treatment. ③ 壓濾脫水固結法 (3) pressure filtration dehydration consolidation method

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