Double-wall steel hanging box cofferdam steel protection barrel inserting and beating accurate positioning method
The invention provides a double-wall steel hanging box cofferdam steel protection barrel inserting and beating accurate positioning method. After lofting, cofferdam splicing is conducted; a keel is installed, and guide rings are arranged; then, cofferdam water immersing is conducted, and an insertin...
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| creator | YU CHAO CHI CHUNSHENG LONG WENBING YANG MENGCHUN ZHANG DUNMENG ZHANG JIANJUN SUN GANG SONG WEIJUN HU LIPING ZHAO JIAN GE QINGSHAN LIU TAO CAI WEIDONG |
| description | The invention provides a double-wall steel hanging box cofferdam steel protection barrel inserting and beating accurate positioning method. After lofting, cofferdam splicing is conducted; a keel is installed, and guide rings are arranged; then, cofferdam water immersing is conducted, and an inserting and beating hole position of the cofferdam is adjusted to the designed pile position; a steel protection barrel is lowered for steel protection barrel inserting and beating; and after a first positioning pile is inserted and beaten, an ejector rod is adjusted to finely adjust the plane position ofthe cofferdam, the plane position of the cofferdam reaches higher precision, and successively, all steel protection barrels are inserted and beaten. The double-wall steel hanging box cofferdam steelprotection barrel inserting and beating accurate positioning method has good flexibility and adaptability, the positioning precision is effectively improved, a large amount of positioning time is saved, the construction cost i |
| format | Patent |
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After lofting, cofferdam splicing is conducted; a keel is installed, and guide rings are arranged; then, cofferdam water immersing is conducted, and an inserting and beating hole position of the cofferdam is adjusted to the designed pile position; a steel protection barrel is lowered for steel protection barrel inserting and beating; and after a first positioning pile is inserted and beaten, an ejector rod is adjusted to finely adjust the plane position ofthe cofferdam, the plane position of the cofferdam reaches higher precision, and successively, all steel protection barrels are inserted and beaten. 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After lofting, cofferdam splicing is conducted; a keel is installed, and guide rings are arranged; then, cofferdam water immersing is conducted, and an inserting and beating hole position of the cofferdam is adjusted to the designed pile position; a steel protection barrel is lowered for steel protection barrel inserting and beating; and after a first positioning pile is inserted and beaten, an ejector rod is adjusted to finely adjust the plane position ofthe cofferdam, the plane position of the cofferdam reaches higher precision, and successively, all steel protection barrels are inserted and beaten. The double-wall steel hanging box cofferdam steelprotection barrel inserting and beating accurate positioning method has good flexibility and adaptability, the positioning precision is effectively improved, a large amount of positioning time is saved, the construction cost i</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | Double-wall steel hanging box cofferdam steel protection barrel inserting and beating accurate positioning method |
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