Method for increasing constructional column for brick masonry wall

Abstract

The invention discloses a method for increasing a constructional column for a brick masonry wall for solving the problems that the construction process is complex and the appearance of a building is influenced by the increased constructional column in the conventional method for increasing the constructional column. The method comprises the following steps of: arranging longitudinal reinforcements at the periphery of the brick masonry wall on which the constructional column is required to be increased; holing along vertical mortar joints every 150 to 300mm at intervals along with the height of the constructional column, and allowing a stirrup to penetrate through the hole; and finally, daubing high-elongation fiber concrete on the surface of the wall. The constructional column is increased by utilizing the mechanical property advantages of the high-elongation fiber concrete and high adhesion performance between the high-elongation fiber concrete and the brick masonry, so that the shear capacity of the wall can be greatly improved, brittle failure is avoided, and the seismic resistance of the brick masonry wall is obviously improved. The method has the characteristics of good reinforcement effect, simple construction process and low influence on the appearance of the original building.

Description

technical field

[0001] The invention belongs to the technical field of anti-seismic reinforcement of building structures, and in particular relates to a method for adding structural columns to brick masonry walls. Background technique

[0002] Adding structural columns to brick masonry walls is an effective seismic strengthening method for brick masonry structures. Adding structural columns to brick masonry walls is to add structural columns at the intersection of longitudinal and horizontal walls. The existing method of adding structural columns is to add concrete buttresses The concrete construction steps of this method are as follows:

[0003] Step 1, according to the provisions of GB50011 of "Code for Seismic Design of Buildings", the size and position of the pre-installed structural columns are determined according to the number of layers of the brick masonry structure to be reinforced, the seismic fortification classification and the intensity;

[0004] Step 2: Bind s...

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