| 粉煤灰混凝土在矿井支护应用中的可行性研究 |
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| 引用本文： | 王立峰,成春奇,朱向荣.粉煤灰混凝土在矿井支护应用中的可行性研究[J].煤田地质与勘探,2003,31(3):42-44. |
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| 作者姓名： | 王立峰 成春奇 朱向荣 |
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| 作者单位： | 1. 浙江大学岩土工程研究所, 浙江 杭州 310027; |
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| 摘 要： | 在试验的基础上,研究了粉煤灰代替部分砂和水泥应用于井下巷道锚喷支护混凝土配料的可行性,讨论了粉煤灰混凝土抗压强度的主要影响因素及变化规律。结合井下初步应用性检验,确定了粉煤灰作为喷射混凝土掺合料的最佳掺量和配合比。
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| 关 键 词： | 粉煤灰 混凝土 配合比 抗压强度 |
| 文章编号： | 1001-1986(2003)03-0042-03 |
| 收稿时间： | 2002-09-27 |
| 修稿时间： | 2002年9月27日 |
Feasibility study on usage of fly-ash in pit supportting |
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| WANG Li feng ,CHENG Chun qi ,ZHU Xiang rong.Feasibility study on usage of fly-ash in pit supportting[J].Coal Geology & Exploration,2003,31(3):42-44. |
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| Authors: | WANG Li feng CHENG Chun qi ZHU Xiang rong |
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| Institution: | 1. Geotechnical Institute, Zhejiang University, Hangzhou 310027, China;2. Resource and Environment Department, Anhui University of Technology, Huainan 232001, China;3. Ningbo University of Technology, Zhejiang University, Ningbo 311005, China;4. Zhejiang University of Technology, Hangzhou 310012, China |
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| Abstract: | Feasibility of fly ash substituted for sand and cement in shortcreting is studied based on a lot of laboratory tests,as well as the main influence factors and rules of compressive strength of fly ash concrete are also discussed.Finally,the optimal recipes of fly ash applied to shortcreting concrete are decided by practice tests. |
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| Keywords: | fly ash concrete recipe compressive strength |
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