Indwelling method for finger joint of steam pressurized masonry engineering structure
A kind of technology of engineering structure and horse teeth, applied in the direction of supply device, manufacturing tools, etc., can solve the problems of difficult construction, affecting the strength of concrete, lack of the top of the retreat, etc., and achieve the effect of improving the construction quality
Inactive Publication Date: 2020-11-13
CHINA MCC 2 GRP CO LTD
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
In actual construction, when the structural column is poured, it is easy to cause the lack of concrete on the top of the setback, which leads to the unqualified construction quality of the structural column. After the completion of the construction, the workability of the concrete is greatly affected by the workability of the concrete. Insufficient vibration leads to cavities on the top of the receding frame, and the internal conditions of the structural column cannot be directly observed due to the cover of the formwork, which is prone to over-vibration and affects the strength of the concrete, so the construction is difficult.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0011] In an engineering project in Zhoukou City, Henan Province, the secondary structure filling wall was left in Ma Yacha by traditional masonry methods. After the structural column construction of the project was completed and the formwork was removed, a large number of holes were found to transmit light, and a small amount of concrete over-vibration. After on-site observation and analysis, the main reasons are as follows: 1. The concrete cannot meet the fluidity required by the construction site due to problems such as strength and suppliers; 2. The concrete is not vibrated sufficiently, resulting in the phenomenon of holes and light transmission due to insufficient stubble connection; 3. The formwork of the structural column completely wraps the structural column, and there is only a small feeding port at the top. The concrete condition cannot be observed during construction, resulting in a small part of the concrete over-vibrating.
[0012] After analyzing the above-ment...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to an indwelling method for finger joint of a steam pressurized masonry engineering structure. The indwelling method for the finger joint of the steam pressurized masonry engineering structure is characterized in that when a straight tenon of the finger joint are indwelled, a triangular prism with a cross section of an isosceles triangle with a right-angle side of 40mm is sawn below a building block, so that the straight tenon building block is changed into a pentagon, and the right angle below the straight tenon is changed into a bevel edge. The indwelling method has theadvantages that concrete can flow into the top of a retreated tenon more easily, and it is proved through multiple times of construction that the quality qualification rate of a constructional columncan be increased to 99%.
Description
technical field [0001] The invention relates to an indwelling method for steam-pressurized masonry engineering structures, and belongs to the technical field of steam-pressurized masonry engineering in building construction. Background technique [0002] According to Article 8.2.3 of the "Code for Construction Quality Acceptance of Masonry Projects", the wall at the junction of the structural column and the wall should be built with horse teeth. The size of the horse teeth should not be less than 60mm, and the height should not exceed 300mm. Ma Yacha should retreat first and then advance, symmetrical masonry. Ma Yacha can make the wall and concrete structure bear force at the same time to ensure the stability of the wall. During the actual construction, the lack of concrete on the top of the retreating raft is easy to occur when the structural column is poured, resulting in unqualified construction quality of the structural column. After the completion of the construction,...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B28B13/02
CPCB28B13/02
Inventor 刘磊李娜刘玉杰
Owner CHINA MCC 2 GRP CO LTD