Assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley and use method thereof
The invention provides an assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley and a use method thereof. The assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley comprises a movable frame, a lifting appliance, a carr...
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| creator | XIE XIANLONG REN SHUAI ZHANG KAIHONG YUAN GUANGSHU DING YOU'AN TIAN YIFAN HONG HAILUO HE YAO SHUAI XIAOLIN ZENG CHANGCHENG TANG XIONG HU ZHENCONG GUAN XIAODONG |
| description | The invention provides an assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley and a use method thereof. The assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley comprises a movable frame, a lifting appliance, a carrying pole beam, a center hole jack and a balance weight, and the carrying pole beam is hung on the lower side of the movable frame in the horizontal direction through the lifting appliance; the center hole jack and the balance weight are hung on the lower sides of the two ends of the carrying pole beam respectively. The problems that a heavy jack under a bridge deck does not have a hoisting space and is difficult to lift and transport manually, part of steel strands are large in stress loss dueto single steel strand tensioning in a traditional method, part of steel strands are over-tensioned and are uneven, the tensioning quality is poor, the construction efficiency is low, and the safety risk is high are solved. T |
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The assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley comprises a movable frame, a lifting appliance, a carrying pole beam, a center hole jack and a balance weight, and the carrying pole beam is hung on the lower side of the movable frame in the horizontal direction through the lifting appliance; the center hole jack and the balance weight are hung on the lower sides of the two ends of the carrying pole beam respectively. The problems that a heavy jack under a bridge deck does not have a hoisting space and is difficult to lift and transport manually, part of steel strands are large in stress loss dueto single steel strand tensioning in a traditional method, part of steel strands are over-tensioned and are uneven, the tensioning quality is poor, the construction efficiency is low, and the safety risk is high are solved. 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The assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley comprises a movable frame, a lifting appliance, a carrying pole beam, a center hole jack and a balance weight, and the carrying pole beam is hung on the lower side of the movable frame in the horizontal direction through the lifting appliance; the center hole jack and the balance weight are hung on the lower sides of the two ends of the carrying pole beam respectively. The problems that a heavy jack under a bridge deck does not have a hoisting space and is difficult to lift and transport manually, part of steel strands are large in stress loss dueto single steel strand tensioning in a traditional method, part of steel strands are over-tensioned and are uneven, the tensioning quality is poor, the construction efficiency is low, and the safety risk is high are solved. T</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ASSEMBLY OF BRIDGES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS OR VIADUCTS |
| title | Assembly type continuous beam prestress steel bundle whole bundle tensioning operation trolley and use method thereof |
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