Method for carrying out pre-stress reinforcement on wood post through winding method
A technology of prestressing and winding method, applied in building maintenance, construction, building construction, etc., can solve the problems of unsatisfactory reinforcement effect, poor restraint effect, difficult construction, etc. The effect of prestress release
Inactive Publication Date: 2017-03-22
HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING
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Problems solved by technology
Among them, the restraining effect of the steel plate restraint method is poor, the amount of steel used is large, and the construction is difficult; for the pasted fiber cloth method, it can only play a role when the component is deformed to a certain extent, and the reinforcement effect is not ideal.
Method used
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[0022] Below in conjunction with accompanying drawing and specific embodiment, the present invention will be described in further detail: as figure 1 , figure 2 A method for prestressing wooden columns by winding method is shown, which includes the following steps:
[0023] 1) Clean the surface of the wooden column 1, cut the wrapping cloth, and wrap the cut wrapping cloth on the cloth tightening mechanism in advance;
[0024] 2) Apply impregnating resin on the bottom of the wooden column 1, then wrap the cloth upwards at the inclined angle a at the place where the resin is applied, and then wrap an additional layer of horizontal cloth horizontally on the wooden column 1 wrapped with the cloth, and then wrap it horizontally Add two special anchor steel rings 2 for anchoring around the cloth;
[0025] 3) Smear the impregnated resin and wind the cloth one after another in sections. The winding height of each section is twice the width of the cloth. After completing a section,...
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Abstract
The invention discloses a method for carrying out pre-stress reinforcement on a wood post through a winding method, and relates to the technical field of methods for reinforcement construction of wood structure wood posts. The method comprises the steps that the surface of the wood post is cleaned, and well-cut winding cloth is wound around a cloth tensioning mechanism; the bottom of the wood post is coated with impregnating resin, then the winding cloth is wound, and two special anchor steel rings are additionally arranged for anchorage; and coating of the impregnating resin and winding of the winding cloth are successively carried out upwards in a sectioned mode till the top of the wood post, the winding cloth is cut according to dimensions and wound to the top of the wood post, then two special anchor steel rings are additionally arranged at the cloth winding position in the transverse direction for anchorage, and then a temporary anchor steel ring at the last section is removed. According to the method, construction is easy and convenient, the winding cloth can be tightly wound to the surface of the wood post, and the bearing strength of the wood post is effectively improved.
Description
technical field [0001] The invention relates to the technical field of a wooden column reinforcement construction method. Background technique [0002] Wood has the advantages of good bending resistance, compression resistance, earthquake resistance, easy processing and maintenance, etc., so it is widely used in ancient buildings in our country, and there are still a large number of ancient wooden structures. Due to the long history, a large number of wooden columns have been damaged to varying degrees, such as moth-eaten and cracked, and urgently need to be repaired. [0003] At present, the commonly used reinforcement methods mainly include the steel plate restraint method and the pasted fiber cloth method. Among them, the restraining effect of the steel plate restraint method is poor, the amount of steel is more, and the construction is more difficult; for the fiber cloth method, it can only play a role when the component is deformed to a certain extent, and the reinforc...
Claims
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IPC IPC(8): E04G23/02
CPCE04G23/0218E04G23/0225E04G2023/0248E04G2023/0251
Inventor 周占学江东凯翁维素张铁柱任俊曹玉红郝琪
Owner HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING