摘要
为解决目前东部沿海地区地下防护工程结构强度与抗侵彻能力低、易开裂、易渗漏等问题,选取普通钢筋混凝土、单掺膨胀剂补偿收缩混凝土、单掺钢纤维混凝土和膨胀剂与钢纤维双掺的补偿收缩钢纤维混凝土等4种类型进行对比试验研究。结果显示:双掺法补偿收缩钢纤维混凝土较之普通钢筋混凝土、单掺膨胀剂补偿收缩混凝土、单掺钢纤维混凝土的抗压、抗折、抗劈拉强度及抗渗、抗收缩能力有了显著地提高,是一种适于地下防护工程结构自防水的高性能混凝土。
At the eastern part of China along the seaboard, the protective projects underground often get problems of being easy to be attacked, fracture, crack,leak and so on. This paper chooses four kinds of different types of concretes which are conventional concrete, expansive admixture concrete, steel fiber reinforced concrete and expansive admixture and steel fiber compounding concrete to research their abilities and performances. The experimentation result indicates that： compared with the conventional concrete, steel fiber reinforced concrete and expansive admixture concrete, the expansive admixture and steel fiber compounding concrete will produce remarkable enhancement in the compressive strength, bending strength, especially in the splitting strength and the ability of antipenetration and anti-cracking.
出处
《四川建筑科学研究》
北大核心
2008年第6期168-170,共3页
Sichuan Building Science
关键词
地下防护工程
补偿收缩混凝土
膨胀剂
钢纤维
protective project underground
expansive admixture concrete
expansive admixture
steel fiber
