Assembly-type residential shear wall structural wall body vertical connection construction method
A shear wall, prefabricated technology, applied in building construction, construction, building material processing, etc., can solve the problems of slow construction speed, high cost, difficult quality control, etc., to reduce the number of connections and reduce construction costs. Effect
Active Publication Date: 2012-04-25
CHINA 22MCC GROUP CORP +1
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[0003] The present invention aims to solve the disadvantages of high cost, slow construction speed and difficult quality control in the traditional shear wall vertical connection construction method, and provide a prefabricated residential shear wall structure with easy quality control, simple construction and low cost Construction method of vertical connection of wall
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[0022] The present invention will be described in detail below in conjunction with the drawings and embodiments.
[0023] The construction method for the vertical connection of the prefabricated residential shear wall structure wall described in this embodiment is as follows:
[0024] a. Prefabricated lower wall 1:
[0025] See figure 1 , figure 2 The outer elongation of the lower sleeve anchoring connecting steel bars at the leg positions of the lower wall 1 should meet the technical requirements of sleeve grouting, the anchoring length of the steel bars in the sleeve should be controlled within the range of 120-150mm, and the middle part of the steel bars should be laid The outer elongation of the lower lap connecting steel bar 3 of the connecting connection section is generally 41D (D is the diameter of the steel bar).
[0026] b. Prefabricated upper wall 4:
[0027] See image 3 , Figure 4 , The upper wall 4 has two anchor connecting sleeves 5 embedded in the concrete at the leg ...
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The invention relates to a prefabricated shear wall body vertical connection construction method, in particular to an assembly-type residential shear wall structural wall body vertical connection construction method, which is characterized in that: when a prefabricated lower layer wall body is connected with a prefabricated upper layer wall body, supporting leg parts on two ends of the bottom part of a shear wall body are connected with each other through a reinforced bushing anchoring grouting method, and preformed steel reinforced parts on the middle part of the shear wall are connected with each other through a binding and overlapping method. When an upper layer wall body is prefabricated, anchoring connection bushings are respectively embedded on the supporting leg parts on two ends of the shear wall, the middle part of the shear wall is produced into a feeding passage for pouring concrete at a later period by embedding a steel bushing, self-compacting concrete is poured towards the middle part of the shear wall from a feeding port on the top part of the feeding passage, and high-strength grouting materials are fulfilled into the anchoring connection bushing at high pressure through a high-pressure grouting machine. Due to the adoption of the method, the quantity of the connection bushing can be reduced, the cost can be saved, and the connection quality and the connection speed can be improved. The weaknesses of the traditional shear wall vertical connection installation process that the cost is high, the construction speed is slow, the quality is difficult to control, and the like can be overcome.
Description
Technical field: [0001] The invention relates to a vertical connection construction method for a prefabricated shear wall wall, in particular to a vertical connection construction method for a prefabricated residential shear wall structure wall. Background technique: [0002] At present, during the vertical installation of prefabricated shear walls, the longitudinal steel bars at the nodes and joints are mostly connected by sleeve grouting connection, mechanical connection, welding connection and indirect anchoring connection. These connection methods have high technical requirements. , The difficulty of construction directly leads to the increase of construction cost. Summary of the invention: [0003] The present invention aims to solve the disadvantages of high cost, slow construction speed, and difficult quality control of traditional shear wall vertical connection construction methods, and to provide a prefabricated residential shear wall structure with easy quality control, ...
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IPC IPC(8): E04G21/14E04G21/12E04G21/02
Inventor 李哲龙陈学军李向宇
Owner CHINA 22MCC GROUP CORP
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