Construction method of straining beam
A construction method and beam tie technology, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of large installation and disassembly hidden dangers of formwork installation and disassembly, long construction period, and difficult disassembly of the bottom form, so as to shorten the construction period and improve the Safety, cost-saving effect
Active Publication Date: 2021-11-09
CHINA RAILWAY 15TH CONSTR BUREAU GRP +1
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Problems solved by technology
The construction of tie beams, especially in the construction of tie beams in water, adopts the traditional separate tie beam formwork structure, which will have problems such as long construction period and difficult disassembly of the base form
At the same time, there are great hidden dangers in the installation and disassembly of formwork during the construction of tie beams in water, so there is an urgent need for a construction method for tie beams used in complex environments
Method used
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Embodiment
[0037] Example: Figure 1-7 As shown, the present embodiment relates to a construction method of a beam, and the construction method includes the following steps:
[0038] Step 1: Set the bull leg 15 (can also be replaced) on the steel casing of the two pillars 14, and mounted the unloading device on the bull leg 15, and adjust the height of the unloading device, so that the work platform elevation is satisfied. Construction requirements. like figure 1 , figure 2 with image 3 As shown in the present embodiment, the unloading device is a sandbox 16, and the sandbox 16 includes a lower case 17 and a upper box body 18, and the lower case 17 is contained with a dry clean sand 20, and the upper case 18 is mounted in the lower case 17, and the lower casing 17 is provided with a plurality of discharge holes 19, and the vent hole 19 is blocked by a bolt, and the upper box 18 is sleeved in the lower case 17, and it is achieved by excretion. The height drop of the box 18 is unloaded. Of cour...
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The invention discloses a construction method of a straining beam, which comprises the following step: a support is arranged on a steel casing of a pile column, and mounting an unloading device on the support; two templates are spliced to form a working platform, the bottoms of the two templates are respectively connected with a template main beam, the template main beams are connected through a telescopic non-return device, a rotating device is arranged between the template main beams and the non-return device, and the length of the non-return device is adjusted, so that the size of a pile mounting hole formed between the two templates meets the mounting requirement of a pile; hoisting the working platform; hoisting the safety protection device to the working platform, and attaching the pile mounting hole to the outer wall of the pile; arranging straining beams between the piles; unloading the working platform through the unloading device, relieving fixation of the length of the non-return device by the fixing device, and dismounting the safety protection device; moving the formwork main beam outwards in the direction away from the pile through an external mechanical device, and rotating the formwork to be perpendicular to the horizontal plane through a rotating device; hoisting the two templates; and dismounting the unloading device and the support.
Description
Technical field [0001] The present invention relates to the technical field of bridge construction, in particular a construction method of a beam. Background technique [0002] In the design of the bridge pile column bridge, in order to improve the stability of the pile (column), a beam is provided in the pile (column). Construction, especially the construction of the water bilateral beam, in the construction of the traditional separation beam template structure, there will be problems such as long construction cycle, and difficult to disassemble the bottom mold. At the same time, the template mounting and disassembly of the water neutral beams has a large mounting hidden danger, so it is urgent to take a construction method of a beam used in a complex environment. Inventive content [0003] It is an object of the present invention to provide a construction method of a beam in accordance with the shortcomings of the prior art described above, and the work platform is spared by t...
Claims
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Login to View More IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 乔长庆林伟群李红卫曹振杰崔江李军王事成孙丹丹
Owner CHINA RAILWAY 15TH CONSTR BUREAU GRP