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                  您現在的位置:首頁 >新聞動態 >> 淤泥固化處理
                  [來源:www.oyoloo.com] [作者:淤泥固化] [日期:19-06-03]

                  淤泥固化處理以其工藝簡單、施工效率高、價格合理等優點,使其在實踐中得到廣泛的應用。淤泥中加入固化材料后,其物理性能將發生改變,這是因為: 淤泥與固化材料比重不同,有的固化材料比重大于淤泥,有的則相反,兩者混合后,改變了淤泥比重;固化材料的加入往往消耗部分水分及有機質,生成新的物質,從而改變淤泥含水率、液塑限及流變性。) 強度。淤泥固化土作為工程填料使用,強度是其最主要的指標,現階段強度研究主要集中在無側限抗壓強度及抗剪強度等參數。由于淤泥具有高含水率、富含有機質等特點,因此對淤泥固化土的強度影響因素的研究,主要集中在初始含水率、有機質、固化材料摻加量等方面。初始含水率較大,淤泥固化土強度降低;有機質大,減小固化土強度,甚至使固化材料失效; 而固化材料的摻入量也是決定性因素,固化材料摻加量不足,固化土無強度,量過大,多余部分則失去作用。變形。淤泥固化土的變形包括受力變形和環境變化引起的變形。受力變形包括無側限抗壓強度的破壞應變,三軸試驗中不同圍壓下固化土的軸向應變以及構件的拉伸變形; 環境變化引起的變形包括不同齡期、不同條件下的體積變形等。
                  Silt solidification treatment is widely used in practice because of its simple technology, high construction efficiency and reasonable price. When solidified material is added to sludge, its physical properties will change, because: the proportion of sludge and solidified material is different, some solidified material proportion is larger than that of sludge, and some contrary, the proportion of sludge is changed after mixing the two materials; the addition of solidified material often consumes part of water and organic matter to produce new substances, thus changing the moisture content, liquid plastic limit and rheological properties of jiancey.89ix.com anquanm.89ix.com fangtongm.89ix.com shengtaim.89ix.com qianghuam.89ix.com boxianwaa.89ix.com sludge. This is the case. Strength. The strength of sludge solidified soil is the most important index when it is used as engineering filling. At present, the strength research mainly focuses on unconfined compressive strength and shear strength. Because of the characteristics of high water content and rich organic matter, the research on the factors influencing the strength of sludge solidified soil mainly focuses on the initial water content, organic matter and the amount of solidified materials. The initial moisture content is higher, the strength of sludge solidified soil decreases; the organic matter is larger, which reduces the strength of solidified soil, even makes the solidified material invalid; and the amount of solidified material is also the decisive factor. The amount of solidified material is insufficient, the solidified soil has no strength, the amount is too large, and the surplus part loses its function. Deformation. Deformation of silt solidified soil includes deformation caused by stress and environmental change. The mechanical deformation includes the failure strain of unconfined compressive strength, the axial strain of solidified soil under different confining pressures and the tensile deformation of components in triaxial tests, and the deformation caused by environmental changes includes the volume deformation at different ages and under different conditions.

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