CN202745858U - 一种钻孔体积变形测试装置 - Google Patents
一种钻孔体积变形测试装置 Download PDFInfo
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- CN202745858U CN202745858U CN 201220394982 CN201220394982U CN202745858U CN 202745858 U CN202745858 U CN 202745858U CN 201220394982 CN201220394982 CN 201220394982 CN 201220394982 U CN201220394982 U CN 201220394982U CN 202745858 U CN202745858 U CN 202745858U
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103912262A (zh) * | 2014-01-26 | 2014-07-09 | 中国矿业大学 | 一种顺层钻孔径向体积变形测定装置 |
CN105134166A (zh) * | 2015-08-14 | 2015-12-09 | 天地科技股份有限公司 | 掘进工作面迎头卸压钻孔变形测量装置及方法 |
CN110080747A (zh) * | 2019-06-06 | 2019-08-02 | 河南理工大学 | 松软煤层瓦斯抽采钻孔失稳检测方法及工具 |
CN112902883A (zh) * | 2021-01-26 | 2021-06-04 | 中国矿业大学 | 一种岩石钻孔孔径变化的测量装置及方法 |
CN114046766A (zh) * | 2021-09-24 | 2022-02-15 | 广东省交通规划设计研究院集团股份有限公司 | 一种基于钻孔内土层应力应变测试装置及测试方法 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103912262A (zh) * | 2014-01-26 | 2014-07-09 | 中国矿业大学 | 一种顺层钻孔径向体积变形测定装置 |
CN103912262B (zh) * | 2014-01-26 | 2016-08-17 | 中国矿业大学 | 一种顺层钻孔径向体积变形测定装置 |
CN105134166A (zh) * | 2015-08-14 | 2015-12-09 | 天地科技股份有限公司 | 掘进工作面迎头卸压钻孔变形测量装置及方法 |
CN110080747A (zh) * | 2019-06-06 | 2019-08-02 | 河南理工大学 | 松软煤层瓦斯抽采钻孔失稳检测方法及工具 |
CN112902883A (zh) * | 2021-01-26 | 2021-06-04 | 中国矿业大学 | 一种岩石钻孔孔径变化的测量装置及方法 |
CN114046766A (zh) * | 2021-09-24 | 2022-02-15 | 广东省交通规划设计研究院集团股份有限公司 | 一种基于钻孔内土层应力应变测试装置及测试方法 |
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Address after: 450007 No. 210 Zhongyuan West Road, Zhengzhou, Henan Patentee after: ZHENGZHOU DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO.,LTD. Address before: 450007 No. 210 Zhongyuan West Road, Zhengzhou, Henan Patentee before: COAL INDUSTRY ZHENGZHOU DESIGN RES INST Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
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Address after: 450000 Zhongyuan Road, Zhongyuan District, Henan, Zhengzhou, China, No. 210 Patentee after: ZHONGYUN INTERNATIONAL ENGINEERING CO.,LTD. Address before: 450007 No. 210 Zhongyuan West Road, Zhengzhou, Henan Patentee before: ZHENGZHOU DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO.,LTD. |
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CP03 | Change of name, title or address | ||
CP01 | Change in the name or title of a patent holder |
Address after: 450000 No. 210 Zhongyuan Road, Zhengzhou City, Henan Province Patentee after: ZHONGYUN INTERNATIONAL ENGINEERING Co.,Ltd. Address before: 450000 No. 210 Zhongyuan Road, Zhengzhou City, Henan Province Patentee before: ZHONGYUN INTERNATIONAL ENGINEERING CO.,LTD. |
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