| 高温环境下石灰岩基本力学性质初步研究 |
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| 引用本文： | 林祥,张振义.高温环境下石灰岩基本力学性质初步研究[J].金属矿山,2009,39(4):29-31. |
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| 作者姓名： | 林祥 张振义 |
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| 作者单位： | 江苏中矿大正表面工程技术有限公司 |
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| 基金项目： | 国家自然科学基金重点项目，教育部高等学校博士学科点专项科研基金 |
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| 摘 要： | 对河南焦作地区某矿区的石灰岩试件在高温下的力学性能进行试验研究，揭示石灰岩的强度和变形特性随温度的变化规律。试验结果表明：随温度升高，各力学参数不同程度变化。其抗压强度在常温～500 ℃时呈上升变化，而500 ℃～800 ℃时呈下降变化；弹性模量在常温～500 ℃时呈上升趋势，但变化不明显，500 ℃～800 ℃呈剧烈下降变化。
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| 关 键 词： | 岩石力学 高温作用 力学性能 实验研究 |
A Preliminary Study of the Basic Mechanical Properties for Limestone at High Temperature |
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| Lin Xiang,Zhang Zhenyi.A Preliminary Study of the Basic Mechanical Properties for Limestone at High Temperature[J].Metal Mine,2009,39(4):29-31. |
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| Authors: | Lin Xiang Zhang Zhenyi |
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| Affiliation: | Jiangsu CUMT Dazheng Surface Engineering Technology Co., Ltd |
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| Abstract: | Test was conducted on the mechanical properties of the limestone specimens from an ore district in Jiaozuo, Henan at high temperature to disclose the regularities of their strength and deformation characteristics varying with temperature.The test results show that, with the temperature rises, all their mechanical parameters varied to different extents.Their compression strength rises from the normal temperature to 500 ℃ and decreases from 500 ℃ to 800 ℃ and their elastic modulus rises from the normal temperature to 500 ℃ and decreases rapidly from 500 ℃ to 800 ℃. |
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