清淤泥浆管袋脱水固化土的力学和种植性能研究

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中图分类号：TU41；X173 文献标识码：A 文章编号：1008-9500（2026）03-0004-08

DOI： 10.3969/j.issn.1008-9500.2026.03.002

Study on the Mechanical and Planting Properties of Dredged Slurry Bag-Dewatering Solidified Soil

CHENHuakai，XUMingyan，HE Tianyu，CONGHaibing （SchoolofEnvironmental Science and Engineering，Yangzhou University，Yangzhou 225127，China）

Abstract：Inordertoimprove themechanical propertyofdredged slurrysolidifiedsoilforuseinurbanconstructionland andgreenland，thegeotextilebagdewateringsolidification testisconductedwithdredgedslurywithamassconcentration of 150g/L as theresearch objectto explore the solidification formula that maintains itsplanting feasibility.The results show that the composite addition of cement and activator （mass ratio of 3：1 ）is superior to the single addition of cement. Whenthemassratioofcement toslurrydrymatterisO.3O，thecoagulantdosageratioisoptimizedseparatelyandcured for28d，bothformulationsofsolidifiedsoilhavecertainshearstrength，andtheformerhassignificantlybetershear performance （internal friction angle of 9.44∘ ，cohesionof 19.17 kPa） than the latter （internal frictionangle of 8.41∘ ，cohesion of18.26kPa）.ThegerminationratesofLoliumperenneandSuaedaglaucacultivatedwithtwotypesofsolidifiedsoilare the same after 14 d，at 20% and 25% ，respectively，however，the14d germination indexofLoliumperenneand Suaeda glaucacultivatedwithsolidifiedsoilobtainedbycombiningcementandactivator（0.459，0.619）isslightlyhigherthan thatof solidified soilobtainedbyaddngcementalone （O.433，0.6O9）.Theresearchresultsprovideafeasiblepath forthe preparationoffillmaterials with both engineering mechanical propertiesand ecological greening functionsusingdredged slurry solidified soil.

Keywords：dredgedslury;solidifiedsoil;geotextilebag-dewateringsolidification;mechanicalproperty;plantingproperty

近年来，受多重因素影响，我国湖泊出现底泥大量沉积现象[1]。（剩余9677字）