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Dismantling method of the support member in the construction process of the railway RC rigid frame structure viaduct
Dismantling method of the support member in the construction process of the railway RC rigid frame structure viaduct
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机译：铁路RC刚架结构高架桥施工过程中支撑构件的拆卸方法。
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摘要
PROBLEM TO BE SOLVED: To provide a construction method of a railroad RC rigid frame structure viaduct advantageous in improving work efficiency and reducing workers' burdens.;SOLUTION: A plurality of first H-shape steel 34 and second H-shape steel 36 are laid and installed between the upper parts of support structures 20 erected from an underground beam 12. These first H-shape steel 34 and second H-shape steel 36 are used to mount first and second timbering and first and second floor slab forms, and concrete is placed in the floor slab forms in which reinforcements are assembled, to form a floor slab 16. The plurality of first H-shape steel 34 are connected to the floor slab 16 to suspend the first timbering and the first floor slab form from the floor slab 16 through the first H-shape steel 34, and then the support structures 20 are demolished and removed. Connection between the floor slab 16 and the first H-shape steel 34 is then released, and the first H-shape steel 34, the first floor slab form and the first timbering are lowered to the ground and demolished and removed on the ground.;COPYRIGHT: (C)2012,JPO&INPIT
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