·····:1009-6825(2009)22-0181-02:2009-03-26: (1970-),,,, 063000 (1980-),,,,, 063000 (1980-),,,,, 063000王永 杨硕 温欣 :指出低温低浊水处理是市政给排水处理工程的难题之一,对北方寒冷地区低温低浊水质难于处理的原因进行了分析,并结合絮凝动力学分析其沉淀,对今后低温低浊水处理技术发展作了展望,对具体市政给排水设计,科研有一定的指导意义。:低温低浊,絮凝动力学,给排水处理:X703:A ,,,。,,。,。1 :,,,(),,。,、,:、、。,,,,[1]。,50%~70%,。。1.1 温度因素1),,,。2),,、,,,,,。3),,,,,[2,3]。1.2 水中微粒浓度因素,,,,,。2 1),,。,,,,。,,,;,;,,,,。2),ξ,。:———;。,,,,,,,,[4]。3),。OnoptimumdesignofmixproportionofhighperformanceconcreteTANGTian-yu WANGXue-fu ZHAOXiAbstract:Theconceptandcharacteristicsofhighperformanceconcreteareintroduced.Takenthestrength,durabilityandworkabilityofcon-creteaswellasoptimumdesignobjectiveinconsiderationstwocalculationmethods:overallcalculationmethodandP.L.MehtaandP.C.AictinmethodforpreliminarymixproportiondesignofC30highperformanceconcretearediscussedrespectivelyfromtheselectionofrawmaterials,determinationofmixproportionparametersandotheraspects.Intheendseveralviewpointsarepresentedforthosetwomethods.Keywords:highperformanceconcrete,mixproportion,overallcalculationmethod,P.L.MehtaandP.C.Aictinmethod·181· 第35卷第22期2009年8月 山西建筑SHANXI ARCHITECTURE Vol.35No.22Aug. 2009DOI:10.13719/j.cnki.cn14-1279/tu.2009.22.00110℃,2~4,,OH-,,,,,,,,,。4),,,,。5),,,,,,,,,。6)pH,pH,pH。7),。3 1),,,,,,、、,,。2),,,,,,。3),S,,,。4 。Einstein-Stokes:1n-1n0=4αpkT3μt(1),α;αp,;Db;μ;kBoltzmann;T;n0(t=0);nt。,(1):。,:kp=4kT3μαp(2),4kT3μ;αp。:ζαp,,。,,,。,,,,。5 ,,、,、()。,。,,,。,。、,,,、、。,,,、。,。(,,,,,,),(),(),,,。:[1] 霍明昕,刘馨远.低温低浊水质特性分析[J].中国给水排水,1998,14(4):33-34.[2] 许保玖.给水处理理论与设计[M].北京:学术书刊出版社,1992.[3] 陈培康.给水净化新工艺[M].北京:学术书刊出版社,1990.[4] 王 静.低温低浊水处理技术研究应用现状[J].低温建筑技术,2003(4):49-50.OninfluentialfactorsonprocessingtechniqueoflowtemperatureandlowturbiditywateranditsanalysisWANGYong YANGShuo WENXinAbstract:Thepaperpointsoutthelowtemperatureandlowturbiditywaterprocessingisoneofthemaindifficultpointsinmunicipalwatersupplytreatment,analyzesthereasonsforthatthelowtemperatureandlowturbiditywaterincoldareasofnorthregionishardtobepro-cessed,andoutlookstheupcominglowtemperatureandlowturbiditywaterprocessing,andsuppliessignificantdirectionforthestudyofsomefactualmunicipalwatersupplyanddrainage.Keywords:lowtemperatureandlowturbidity,flocculationkinetics,watersupplyanddrainageprocessing·182·第35卷第22期2009年8月 山西建筑