Desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board and construction process of desert sand lightweight aggregate concrete special-shaped column structure

A technology of lightweight aggregate concrete and thermal insulation board, applied in thermal insulation, columns, piers and other directions, can solve the problems of energy waste, heavy structural burden, prone to cracks, etc.

Active Publication Date: 2021-07-27
SHIHEZI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]Due to the asymmetry of the cross-sectional shape of the special-shaped column, large stress will appear at the extremity, and cracks are prone to appear, resulting in low deformation capacity, obvious brittle failure and low ductility of the special-shaped column Poor; Reinforced concrete special-shaped columns need to bind steel bars on site during the pr

Method used

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  • Desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board and construction process of desert sand lightweight aggregate concrete special-shaped column structure
  • Desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board and construction process of desert sand lightweight aggregate concrete special-shaped column structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A construction technology of desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board, the specific steps are as follows:

[0034] Step 1. Cut the entire steel wire grid and insulation board according to the design requirements, and glue them together to form a cross-shaped insulation board 1, and then use gas shielded welding to weld the cut steel wire grid interface to make ten Zigzag wire mesh frame 2;

[0035] Step 2, using gas shielded welding to weld the longitudinal stress reinforcement 4 at the end and core of the cross-shaped steel wire grid 2, so that the longitudinal stress reinforcement 4 and the cross-shaped steel wire grid 2 are connected;

[0036] Step 3. Install the cross-shaped column mold outside the structure completed in Step 2. The water-binder ratio is 0.5, and the volumetric sand ratio is 39%. In each cubic meter of raw materials, cement is 260.1Kg / m3 and fly ash is 45.9Kg / m3 , ceramsite 463Kg / m3, ...

Embodiment 2

[0039] A construction technology of desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board, the specific steps are as follows:

[0040] Step 1. Cut the entire steel wire grid and insulation board according to the design requirements, and glue them together to form a T-shaped insulation board 1, and then use gas shielded welding to weld the cut steel wire grid interface to form a T Shaped wire mesh frame 2;

[0041] Step 2, using gas shielded welding to weld the longitudinal stress reinforcement 4 at the end and core of the T-shaped steel wire grid 2, so that the longitudinal stress reinforcement 4 and the T-shaped steel wire grid 2 are connected;

[0042] Step 3. Install the T-shaped column mold outside the structure completed in Step 2. The water-to-binder ratio is 0.51, and the volumetric sand rate is 38%; in each cubic meter of raw materials, cement 262Kg / m3, fly ash 47Kg / m3, pottery Grain 467Kg / m3, river sand 463Kg / m3, de...

Embodiment 3

[0045] A construction technology of desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board, the specific steps are as follows:

[0046] Step 1. Cut the entire steel wire grid and insulation board according to the design requirements, and glue them together to form a T-shaped insulation board 1, and then use gas shielded welding to weld the cut steel wire grid interface to form a T Shaped wire mesh frame 2;

[0047] Step 2, using gas shielded welding to weld the longitudinal stress reinforcement 4 at the end and core of the T-shaped steel wire grid 2, so that the longitudinal stress reinforcement 4 and the T-shaped steel wire grid 2 are connected;

[0048] Step 3. Install the T-shaped column mold outside the completed structure of Step 2. The water-to-binder ratio is 0.46, and the volumetric sand rate is 41%. Among the raw materials per cubic meter, cement 275Kg / m3, fly ash 67Kg / m3, pottery Grain 420Kg / m3, river sand 563Kg / m3,...

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PUM

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Abstract

The invention provides a desert sand lightweight aggregate concrete special-shaped column structure with a built-in insulation board. The desert sand lightweight aggregate concrete special-shaped column structure comprises the special-shaped insulation board, a steel wire net frame is arranged on the periphery of the special-shaped insulation board, a gap is reserved between the steel wire net frame and the special-shaped insulation board, and the height of the steel wire net frame is equal to that of the special-shaped insulation board. Longitudinal tensional bars are arranged at the section center and the outer side of the limb end of the steel wire net frame along the height in a pass-length mode. Oblique inserting wires horizontally penetrate through the special-shaped insulation board layer by layer, the two ends of the oblique inserting wires are connected with the steel wire net frame, and desert sand ceramsite lightweight aggregate concrete matched with the special-shaped insulation board is poured on the inner side and the outer side of the steel wire net frame. The steel wire net frame and the insulation board are connected and then placed in a special-shaped column mold, the desert sand ceramsite lightweight aggregate concrete is poured, curing and demolding are carried out, and the lightweight aggregate concrete steel wire net frame insulation board special-shaped column structure is obtained. The manufacturing cost is low, the material source is wide, the manufacturing process is simple, and the working efficiency can be remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of building structures, and in particular relates to a special-shaped column structure of desert sand light aggregate concrete with a built-in insulation board and a construction process thereof. Background technique [0002] With the improvement of people's living standards, housing conditions have been greatly improved. While pursuing comfort, people have begun to pay more and more attention to aesthetics and the diversity of structural arrangements. When the rectangular cross-section columns are arranged, there are often indoor edges and corners, which affect the appearance and reduce the usable area. In order to make up for the shortage of rectangular columns and meet people's needs for residential buildings, a special-shaped column frame structure system is gradually developed. The special-shaped column is a column with cross-sectional shapes such as T, L, and cross, and the ratio of limb height to thic...

Claims

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Application Information

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IPC IPC(8): E04C3/30E04C3/36E04B1/80E04H9/02E04B1/98C04B28/00
CPCE04C3/30E04C3/36E04B1/80E04H9/021E04B1/98C04B28/00C04B18/08C04B18/023C04B14/06C04B14/068C04B2103/302
Inventor 袁康王荣锦王颖郭军林张虎跃李广洲高月月张豪蕾闫建龙田万明罗明
Owner SHIHEZI UNIVERSITY
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