当前施工现场留置砂浆、混凝土试件存在的问题

[]100224115(2002)01-0029-03(530004),,[]TU7[]B1,,,,,,,,,,,,,,2211(1),(2),,,,(3),,212,,,,95%,,,28d,,,,28d,,213(1),,271Vol127No1120023BUILDINGINGUANGXIMar12002©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,(2);:100100m3,();100,(),,(3),,,,,,,,214(GB5020398),,,2%,10%,:,;,,,,,,,,,,215,,203,90%28d;203,60%80%28d;203,90%28d,(),,,,,,3,:,;(GB10787)(GB50204292)(GB5020398);,,,(1),,,(2),032002©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,(3),,,(4),,,,,,(5):,;,,;,4,,,,,,ProblemofRemainingMortar&ConcreteTestingPieceonConstructionSiteHUANGShi-mei(CapitalConstructionAdministrationSection,GuangxiUniversity,Nanning530031,China)Abstract:Thereexistmanyprominentproblemsofmortarandconcretetestingmouldpiecetovaryingdegreesontheconstructionsiteatpresent.Preliminaryinvestigationhasbeenconductedontheseproblems,andsomebetterandeffectivemeasuresareputforwardinthisarticle1Keywords:mortartestingpiece;concretetestingmouldpiece;problem;measure(28),,,,,,,,,,,,,,,13271:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.