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| 高石粉含量石屑全代砂混凝土的研究与应用* | |
| 引用本文： | 蒋雪琴,杨医博,谭世霖,郭文瑛,周启源,王恒昌.高石粉含量石屑全代砂混凝土的研究与应用*[J].水运工程,2011(6):20-24. |
| 作者姓名： | 蒋雪琴 杨医博 谭世霖 郭文瑛 周启源 王恒昌 |
| 作者单位： | 1. 广东省航盛建设集团有限公司,广东广州,511442 2. 华南理工大学土木工程系,广东广州510640;华南理工大学亚热带建筑科学国家重点实验室,广东广州510640 3. 华南理工大学土木工程系,广东广州,510640 |
| 基金项目： | 2006年度广东省第五批科技计划项目 |
| 摘 要： | 对高石粉含量石屑(石粉含量超过10%)全代砂配制混凝土的方法进行试验研究。研究结果证明:根据普通混凝土配合比设计的方法,以石屑中大于4.75 mm的部分取代石子,小于4.75 mm的部分取代河砂,通过增加胶凝材料和减水剂用量,适当调整水胶比和砂率的方法,能够配制出满足需要的C30和C40石屑混凝土;石屑的级配对混凝土强度和工作性能有较大的影响,应选取级配较好的石屑配制混凝土。工程应用表明:从石屑混凝土的拌制、运输、浇筑、养护等环节进行质量控制,能够得到技术经济性优良的石屑混凝土。 |
| 关 键 词： | 石屑 石粉 石屑混凝土 配合比设计 质量控制 |
Research on and application of stone chip as a substitute of river sand in concrete |
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| JIANG Xue-qin,YANG Yi-bo,TAN Shi-lin,GUO Wen-ying,ZHOU Qi-yuan,WANG Heng-chang.Research on and application of stone chip as a substitute of river sand in concrete[J].Port & Waterway Engineering,2011(6):20-24. | |
| Authors: | JIANG Xue-qin YANG Yi-bo TAN Shi-lin GUO Wen-ying ZHOU Qi-yuan WANG Heng-chang |
| Institution: | JIANG Xue-qin1,YANG Yi-bo2,3,TAN Shi-lin1,GUO Wen-ying2,ZHOU Qi-yuan1,WANG Heng-chang2(1.Guangdong Provincial Hangsheng Construction Group Co.,Ltd.,Guangzhou 511442,China,2.Civil Engineering Department,South China University of Technology,Guangzhou 510640,3.State Key Laboratory of Subtropical Building Science,China) |
| Abstract: | The experiments about the stone chip with high stone powder(the content of stone powder is larger than 10%) as a substitute of river sand were carried out.The results showed that the stone chip was used in preparing the C30 and C40 concrete by adding the usage of cementitious material,adding the usage of the water reducer,and adjusting the ratio of water to cementitious material and the fine aggregate percent of total aggregate.Such concretes were prepared under the condition that the particle larger than 4... |
| Keywords: | stone chip stone powder chip concrete proportion design quality control |
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