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A kind of similar rock material was prepared with gypsum and quartz sand, and influence of seven factors on the strength index of the material was analyzed by performing laboratory tests. The results show that curing temperature and material density are in positive correlation with material strength index, while curing humidity, sand-to-binder ratio, ash-to-paste ratio, fine-grained quartz sand content, as well as water content are in negative correlation with material strength index. Based on the calculation of the sensitivity indices of different influencing factors, it is found that material strength has a sensitivity of only 4.5% to curing temperature, a sensitivity of 104.9% to sand-binder ratio. Factors of curing temperature, water content, material density, curing humidity, ash-to-paste ratio, fine-grained quartz sand content and sand-to-binder ratio are in an ascending order in terms of their sensitivity to uniaxial compressive strength; while factors of sand-to-binder ratio, ash-to-paste ratio, material density, curing humidity, water content, fine-grained quartz sand content and curing temperature are in a descending order in terms of their sensitivity to tensile strength.

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以石膏-石英砂类相似材料为研究对象,采用室内实验分析了7种因素对该类相似材料强度指标的影响规律。结果表明,养护温度和材料密度与材料强度指标呈正相关,养护湿度、砂胶比、灰膏比、细粒级石英砂含量、含水量等与材料强度指标呈负相关。计算了不同影响因素的敏感度指标,其中材料强度对养护温度的敏感性仅4.5%,而对砂胶比的敏感性达到了104.9%。对于单轴抗压强度,温度、含水量、密度、湿度、灰膏比、细粒级石英砂含量和砂胶比的敏感度依次增大;对于抗拉强度,砂胶比、灰膏比、密度、湿度、含水量、细粒级石英砂含量和温度的敏感度依次降低。

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朱明德(1988—),男,河南开封人,博士研究生,工程师,主要研究方向为深井采矿工艺、矿山岩石力学与岩爆防控。

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朱明德(1988—),男,河南开封人,博士研究生,工程师,主要研究方向为深井采矿工艺、矿山岩石力学与岩爆防控。

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朱明德(1988—),男,河南开封人,博士研究生,工程师,主要研究方向为深井采矿工艺、矿山岩石力学与岩爆防控。

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多因素影响下石膏-石英砂类相似材料强度特性变化规律研究
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朱明德 1, 2 , 王剑波 1, 2 , 安龙 1, 2, 3 , 程力 1, 2 , 侯奎奎 1, 2
矿冶工程杂志 | 采矿 2023,43(1): 40-44
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矿冶工程杂志 | 采矿 2023, 43(1): 40-44
多因素影响下石膏-石英砂类相似材料强度特性变化规律研究
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朱明德1, 2, 王剑波1, 2, 安龙1, 2, 3, 程力1, 2, 侯奎奎1, 2
作者信息
  • 1.山东黄金矿业股份有限公司,山东 济南 250100
  • 2.山东黄金集团有限公司深井开采实验室,山东 莱州 261442
  • 3.东北大学 深部金属矿山安全开采教育部重点实验室,辽宁 沈阳 110819
  • 朱明德(1988—),男,河南开封人,博士研究生,工程师,主要研究方向为深井采矿工艺、矿山岩石力学与岩爆防控。

Influence of Multi-factor on Variation Rule of Strength Characteristics of Similar Rock Material Prepared with Gypsum and Quartz Sand
Mingde ZHU1, 2, Jianbo WANG1, 2, Long AN1, 2, 3, Li CHENG1, 2, Kuikui HOU1, 2
Affiliations
  • 1.Shandong Gold Mining Co Ltd, Jinan 250100, Shandong, China
  • 2.Deep Mining Laboratory of Shandong Gold Group Co Ltd, Laizhou 261442, Shandong, China
  • 3.Key Laboratory of Safe Mining of Deep Metal Mines, Ministry of Education, Northeastern University, Shenyang 110819, Liaoning, China
出版时间: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.009
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以石膏-石英砂类相似材料为研究对象,采用室内实验分析了7种因素对该类相似材料强度指标的影响规律。结果表明,养护温度和材料密度与材料强度指标呈正相关,养护湿度、砂胶比、灰膏比、细粒级石英砂含量、含水量等与材料强度指标呈负相关。计算了不同影响因素的敏感度指标,其中材料强度对养护温度的敏感性仅4.5%,而对砂胶比的敏感性达到了104.9%。对于单轴抗压强度,温度、含水量、密度、湿度、灰膏比、细粒级石英砂含量和砂胶比的敏感度依次增大;对于抗拉强度,砂胶比、灰膏比、密度、湿度、含水量、细粒级石英砂含量和温度的敏感度依次降低。

相似材料  /  相似物理模型  /  材料配比  /  单轴抗压强度  /  抗拉强度  /  敏感度

A kind of similar rock material was prepared with gypsum and quartz sand, and influence of seven factors on the strength index of the material was analyzed by performing laboratory tests. The results show that curing temperature and material density are in positive correlation with material strength index, while curing humidity, sand-to-binder ratio, ash-to-paste ratio, fine-grained quartz sand content, as well as water content are in negative correlation with material strength index. Based on the calculation of the sensitivity indices of different influencing factors, it is found that material strength has a sensitivity of only 4.5% to curing temperature, a sensitivity of 104.9% to sand-binder ratio. Factors of curing temperature, water content, material density, curing humidity, ash-to-paste ratio, fine-grained quartz sand content and sand-to-binder ratio are in an ascending order in terms of their sensitivity to uniaxial compressive strength; while factors of sand-to-binder ratio, ash-to-paste ratio, material density, curing humidity, water content, fine-grained quartz sand content and curing temperature are in a descending order in terms of their sensitivity to tensile strength.

similar material  /  similar physical model  /  material proportion  /  uniaxial compressive strength  /  tensile strength  /  sensitivity
朱明德, 王剑波, 安龙, 程力, 侯奎奎. 多因素影响下石膏-石英砂类相似材料强度特性变化规律研究. 矿冶工程杂志, 2023 , 43 (1) : 40 -44 . DOI: 10.3969/j.issn.0253-6099.2023.01.009
Mingde ZHU, Jianbo WANG, Long AN, Li CHENG, Kuikui HOU. Influence of Multi-factor on Variation Rule of Strength Characteristics of Similar Rock Material Prepared with Gypsum and Quartz Sand[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 40 -44 . DOI: 10.3969/j.issn.0253-6099.2023.01.009
  • 国家重点研发计划(2018YFC0604601)
2023年第43卷第1期
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doi: 10.3969/j.issn.0253-6099.2023.01.009
  • 接收时间:2022-08-21
  • 首发时间:2026-03-05
  • 出版时间:2023-02-01
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  • 收稿日期:2022-08-21
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国家重点研发计划(2018YFC0604601)
作者信息
    1.山东黄金矿业股份有限公司,山东 济南 250100
    2.山东黄金集团有限公司深井开采实验室,山东 莱州 261442
    3.东北大学 深部金属矿山安全开采教育部重点实验室,辽宁 沈阳 110819
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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