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水环境下深部硬岩的黏弹塑性
  • ISSN号：1003-6326
  • 期刊名称：《中国有色金属学报：英文版》
  • 时间：0
  • 分类：TG146[金属学及工艺—金属材料;一般工业技术—材料科学与工程;金属学及工艺—金属学]
  • 作者机构：[1]中南大学资源与安全工程学院,长沙410083
  • 相关基金：Project （10972238） supported by the National Natural Science Foundation of China; Project （2009bsxt061） supported by the Thesis Innovation Funds for the Central South University, China; Project （2009） supported by Hunan Administration of Work Safety Fund, China
作者： 曹平[1], 万琳辉[1], 汪亦显[1], 黄永恒[1], 张向阳[1]
关键词： 水, 黏弹塑性, 分级加卸载, 广义开尔文模型, water, viscoelasto-plastic property, circular incremental step load and unload, generalized Kelvin model
中文摘要：

采用分级增量循环加卸载方式,对金川有色金属公司二矿区深部斜长角闪岩进行干燥与水环境下的流变实验,分析流变实验数据,研究各级应力水平下斜长角闪岩两种试样的黏弹塑性。结果表明：水对岩石的瞬时弹模及黏塑特性的影响不大,对岩石黏弹性影响显著。分析水对岩石黏弹塑性影响的原因。根据试样的实验破坏前特点,选用广义开尔文模型描述斜长角闪岩流变特性,求得两种试样的岩石流变模型参数。模型参数分析发现：水对参数E1影响明显,而对参数E2影响不大;黏滞系数的离散性大,水对其影响不明确。

英文摘要：

Using a circular incremental step load and unload method, a set of rheological experiments were performed to study the viscoelasto-plastic properties of amphibolite in Jinchuan No.2 diggings under different environments. Based on the scientific analysis on rheological experimental data, the viscoelasto-plastic properties of amphibolite under different environments were studied. The results show that the instantaneous elastic modulus and viscoplastic properties of amphibolite are affected little, the viscoelastic properties of amphibolite are significantly affected. Based on the experimental results and characteristics of recovered rock specimen, a generalized Kelvin model was chosen to simulate rheological properties of amphibolites and key parameters were obtained. It is found that the creep deformation modulus E1 is significantly influenced by the water, while the instant elastic modulus E2 is not significantly affected. The discreteness of the viscosity coefficient η is large, the influence of water on η is not clear and needs to be further studied.

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期刊信息
  • 《中国有色金属学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编：黄伯云
  • 地址：中国长沙中南大学
  • 邮编：410083
  • 邮箱：f-xsxb@csu.edu.cn
  • 电话：0731-88830949
  • 国际标准刊号：ISSN：1003-6326
  • 国内统一刊号：ISSN：43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
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  • 被引量:1159