CN102251522B - 灌注桩取芯方法和组合式混凝土取芯装置 - Google Patents
灌注桩取芯方法和组合式混凝土取芯装置 Download PDFInfo
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CN 201110110272 CN102251522B (zh) | 2011-04-29 | 2011-04-29 | 灌注桩取芯方法和组合式混凝土取芯装置 |
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CN 201110110272 CN102251522B (zh) | 2011-04-29 | 2011-04-29 | 灌注桩取芯方法和组合式混凝土取芯装置 |
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CN102251522A CN102251522A (zh) | 2011-11-23 |
CN102251522B true CN102251522B (zh) | 2013-04-24 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102852157B (zh) * | 2012-08-30 | 2015-01-07 | 中国电力工程顾问集团中南电力设计院 | 顶部固定水钻法人工挖孔桩方法 |
CN105239566B (zh) * | 2015-08-12 | 2017-01-25 | 河海大学 | 多头搅拌式现浇大直径管桩装置及其应用 |
CN109083134B (zh) * | 2018-08-28 | 2024-03-22 | 天津港航工程有限公司 | 一种环形钻孔嵌岩桩施工方法及设备 |
CN114561951A (zh) * | 2022-03-21 | 2022-05-31 | 陈政杰 | 缺陷灌注桩中部开挖破除方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE826896C (de) * | 1950-05-20 | 1952-01-07 | Fried Krupp Bergwerke Essen | Einbruch-Kernbohrmaschine |
FR2482655A1 (fr) * | 1980-05-19 | 1981-11-20 | Laffitte Gilbert | Procede et dispositif de forage agissant par percussion et rotation |
CN2055530U (zh) * | 1989-07-07 | 1990-04-04 | 周正树 | 割取岩芯的钻头 |
CN2502825Y (zh) * | 2001-09-10 | 2002-07-31 | 河北新河新钻有限公司 | 一种潜水式多头钻成槽钻具 |
CN2906026Y (zh) * | 2006-06-20 | 2007-05-30 | 洛阳市柯尔克工程机械有限公司 | 大口径桩孔用双筒硬岩取芯钻具 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE826896C (de) * | 1950-05-20 | 1952-01-07 | Fried Krupp Bergwerke Essen | Einbruch-Kernbohrmaschine |
FR2482655A1 (fr) * | 1980-05-19 | 1981-11-20 | Laffitte Gilbert | Procede et dispositif de forage agissant par percussion et rotation |
CN2055530U (zh) * | 1989-07-07 | 1990-04-04 | 周正树 | 割取岩芯的钻头 |
CN2502825Y (zh) * | 2001-09-10 | 2002-07-31 | 河北新河新钻有限公司 | 一种潜水式多头钻成槽钻具 |
CN2906026Y (zh) * | 2006-06-20 | 2007-05-30 | 洛阳市柯尔克工程机械有限公司 | 大口径桩孔用双筒硬岩取芯钻具 |
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Inventor after: Ma Dongxu Inventor after: Zhang Yanjun Inventor after: Chang Tianbing Inventor after: Chang Xinwei Inventor after: Chang Huabei Inventor after: Yang Zhibing Inventor after: Li Weibing Inventor after: Yin Chuan Inventor after: Tang Haiyan Inventor after: Li Yougui Inventor after: Jin Zhihong Inventor after: He Zhishan Inventor after: Wang Gang Inventor before: Ma Dongxu Inventor before: Yang Zhibing Inventor before: Li Weibing Inventor before: Yin Chuan Inventor before: Tang Haiyan Inventor before: Li Yougui Inventor before: Xu Ximin Inventor before: Chang Tianbing Inventor before: Chang Huabei |
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Free format text: CORRECT: INVENTOR; FROM: MA DONGXU YANG ZHIBING LI WEIBING YIN CHUAN TANG HAIYAN LI YOUGUI XU XIMIN CHANG TIANBING CHANG HUABEI TO: MA DONGXU YANG ZHIBING LI WEIBING YIN CHUAN TANG HAIYAN LI YOUGUI JIN ZHIHONG HE ZHISHAN WANG GANG ZHANG YANJUN CHANG TIANBING CHANG XINWEI CHANG HUABEI |
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