摘要
粉煤灰掺量为50%的大掺量粉煤灰混凝土(H V FAC),在标准养护、同条件养护和变温养护,不掺加膨胀剂和防水剂的条件下,其强度、应变和收缩等性能均能满足中央电视台(CCTV)新台址建设工程主楼C40P8大体积混凝土工程的要求。这有效地解决了厚度为10.8m基础底板的温差裂缝和最高温度低于65℃的问题。
The strength, strain and shrinkage properties of the high volume fly ash concrete with 50wt% fly ash and without expanding and water-repellent admixture, which were cured at standard, atmosphere and varying temperature condition respectively, can meet the requirement of the high volume concrete engineering （C40P8） for the main building of CCTV New Site Construction ＆ Development Program. This solves the temperature difference crack and the maximum temperature 〈65℃ of the basic plate with the thickness of 10.8m.
出处
《混凝土》
CAS
CSCD
北大核心
2006年第8期88-91,96,共5页
Concrete
关键词
大掺量粉煤灰混凝土
应变
收缩
变温养护
high volume fly ash concrete
strain
shrinkage
varying temperature curing
