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掺粗骨料水工混凝土早期收缩率试验研究

Experimental study on early shrinkage rate of hydraulic concrete mixed with coarse aggregate
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摘要 文章利用室内试验,探讨了0.45和0.55两种水胶比以及5~31.5mm连续级配、20~40mm与5~20mm二级配粗骨料对水工混凝土早期收缩性的影响作用。结果显示:初凝后10h内水工混凝土的早期收缩率均呈快速上升趋势,初凝10h时各组混凝土收缩率达到72h的60%左右;水胶比相同情况下经级配优化后的骨料混凝土早期收缩率减小,相同粗骨料条件下混凝土的早期收缩率随水胶比增大而变小。
作者 陈继伟 Chen Jiwei
出处 《黑龙江水利科技》 2023年第8期39-41,共3页 Heilongjiang Hydraulic Science and Technology
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  • 1黄瑜,祁锟,张君.早龄期混凝土内部湿度发展特征[J].清华大学学报(自然科学版),2007,47(3):309-312. 被引量:49
  • 2张君,刘骞.基于三点弯曲实验的混凝土抗拉软化关系的求解方法[J].硅酸盐学报,2007,35(3):268-274. 被引量:19
  • 3Amparanoa F E, Xi Yunping, Roh Young-Sook. Experimental study on the effect of aggregate content on fracture behavior of concrete [J]. Engineering Fracture Mechanics, 2000, 67: 65--84.
  • 4Rao G A, Prasad B K R. Fracture energy and softening behavior of high-strength concrete [J]. Cement and Concrete Research, 2002, 32: 247--252.
  • 5Giaccio G, Zerbino R. Failure mechanism of concrete-combined effects of coarse aggregates and strength level [J]. Advanced Cement Based Materials, 1998, 7:41--48.
  • 6Zhou F P, Lydon F D, Barr B I G. Effect of coarse aggregate on elastic modulus and compressive strength of high performance concrete [J]. Cement and Concrete Research, 1995, 25(1): 177--186.
  • 7Ozturan T, Cecen C. Effect of coarse aggregate type on mechanical properties of concretes with different strengths [J]. Cement and Concrete Research, 1997, 27(2): 165-- 170.
  • 8Elices M, Rocco C G. Effect of aggregate size on the fracture and mechanical properties of a simple concrete [J]. Engineering Fracture Mechanics, 2008, 75: 3839-- 3851.
  • 9Rocco C G, Elices M. Effect of aggregate shape on the mechanical properties of a simple concrete [J]. Engineering Fracture Mechanics, 2009, 76: 286--298.
  • 10Wu Ke-Ru, Chen Bing, Yao Wu, Zhang Dong. Effect of coarse aggregate type on mechanical properties of high-performance concrete [J]. Cement and Concrete Research, 2001, 31: 1421-1425.

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