A Construction Method for Demolition of Bailey Frame Closed by Large Span and High Drop Beams and Slabs
A construction method, Bailey frame technology, applied in the direction of ship lifting device, vertical lifting of ship machinery, construction, etc., can solve the problems of complex construction conditions, high risk, cumbersome demolition process, etc., to reduce construction difficulty and short lifting stroke , to avoid the effect of water operations
Active Publication Date: 2017-03-29
SINOHYDRO BUREAU 8 CO LTD
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Problems solved by technology
[0002] At present, the load-bearing truss of Bailey frame is widely used in bridge engineering, but it is rarely used as the load-bearing truss of the top plate girder structure of large vertical ship lift.
For example, the mid-span girder and slab span of the first-stage vertical ship lift in Goupitan is 18m, and the roof at the top is completely closed. Transported from the water to complete the demolition work, the whole demolition process is extremely cumbersome and dangerous, which puts forward high requirements for construction personnel
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[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] Figure 1 to Figure 5 An embodiment of the construction method for the removal of a large-span high-drop beam slab closed Bailey frame of the present invention is shown, which includes the following steps:
[0033] S1: Construction preparation; divide the whole bailey into several single baileys and dismantle them sequentially, and pre-buried holes 1 and hanging objects 2 corresponding to the single baileys on the closed beam slab, The pre-embedded hole 1 is located in the middle of each Bailey frame, and the hanging object hole 2 is located at the end of each Bailey frame;
[0034] S2: Move the hoist 3 to the side of the pre-embedded hole 1, extend the hoist wire rope 4 along the pre-embedded hole 1 and fasten it to the middle of the single-pile frame; move the hoisting device 5 to the side of the hoisting hole 2, and hoist t...
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The invention discloses a construction method for detaching a large-span high-fall Belfast truss with a closed beam slab. The construction method includes the following steps that S1, construction preparation is carried out, embedded holes and hoisting holes corresponding to single Belfast truss frames in a one-to-one correspondence mode are arranged in the closed beam slab in advance, each embedded hole is located in the middle of the corresponding single Belfast truss frame, and each hoisting hole is located in the end of the corresponding single Belfast truss frame; S2, a winch is moved to the position near each embedded hole, a steel wire rope of the winch extends and is tied with the end of the corresponding single Belfast truss frame along the embedded hole, hoisting equipment is moved to the position near each hoisting hole, and a steel wire rope of the hoisting equipment extends into and is tied with the end of the corresponding single Belfast truss frame along the hoisting hole; S3, each single Belfast truss frame is hoisted; and S4, the steps from S2 to S3 are repeated, and all the single Belfast truss frames are detached sequentially. The construction method has the advantages of being not limited by the large span of the Belfast truss, avoiding overwater operation, being short in hoisting stroke, being high in efficiency and the like.
Description
technical field [0001] The invention relates to the technical field of building construction, in particular to a construction method for removing a Bailey frame with a large-span and high-drop roof closed. Background technique [0002] At present, the load-bearing truss of Bailey frame is widely used in bridge engineering, but it is rarely used as the load-bearing truss of the top plate girder structure of large vertical ship lift. For example, the mid-span girder and slab span of the first-stage vertical ship lift in Goupitan is 18m, and the roof at the top is completely closed. The entire demolition process is extremely cumbersome and dangerous, and places high demands on the construction personnel. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a large-span, high-drop roof-enclosed bailey rack that is not limited by the large span of the bailey rack, avoids wat...
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IPC IPC(8): E02C5/00
CPCE02C5/00
Inventor 黄益彬何井斌田忠庆
Owner SINOHYDRO BUREAU 8 CO LTD