High-rigidity seepage-proofing combined cofferdam and construction method thereof
The invention discloses a high-rigidity seepage-proofing combined cofferdam and a construction method thereof. The manufactured cofferdam comprises two oppositely arranged steel plate piles, steel tierods for oppositely pulling the two steel plate piles, and sub-piles arranged on a foundation pit fo...
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| creator | CHENG YI ZHANG YING YU DINGXIAN HE JIANPING DU YONGJIANG ZHU CHUNSHENG XU YONG WANG BIN DOU WEI'E |
| description | The invention discloses a high-rigidity seepage-proofing combined cofferdam and a construction method thereof. The manufactured cofferdam comprises two oppositely arranged steel plate piles, steel tierods for oppositely pulling the two steel plate piles, and sub-piles arranged on a foundation pit for the steel plate piles. Bagged miscellaneous fill is stacked between the two steel plate piles andstacked to the pile tops of the steel plate piles; a clay-bound macadam pavement is laid on the bagged miscellaneous fill, cement chemical churning piles engaged with one another are arranged along the clay-bound macadam pavement close to the outer side of a foundation pit, and the cement chemical churning piles are used for being inserted into a foundation silty clay layer; and bagged miscellaneous fill is stacked at the tops of the chemical churning piles close to the outer side of the foundation pit as a sub-weir, and a geomembrane is laid on the water side of the sub-weir. The high-rigidity seepage-proofing combin |
| format | Patent |
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The manufactured cofferdam comprises two oppositely arranged steel plate piles, steel tierods for oppositely pulling the two steel plate piles, and sub-piles arranged on a foundation pit for the steel plate piles. Bagged miscellaneous fill is stacked between the two steel plate piles andstacked to the pile tops of the steel plate piles; a clay-bound macadam pavement is laid on the bagged miscellaneous fill, cement chemical churning piles engaged with one another are arranged along the clay-bound macadam pavement close to the outer side of a foundation pit, and the cement chemical churning piles are used for being inserted into a foundation silty clay layer; and bagged miscellaneous fill is stacked at the tops of the chemical churning piles close to the outer side of the foundation pit as a sub-weir, and a geomembrane is laid on the water side of the sub-weir. 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| language | chi ; eng |
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| subjects | EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | High-rigidity seepage-proofing combined cofferdam and construction method thereof |
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