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Green construction method of pre-mixed mortar for building construction

A technology of ready-mixed mortar and construction method, which is applied in the directions of construction, separation method, building structure, etc., can solve the problems of time-limited use of wet-mixed mortar, cracks in mortar structure, affecting engineering durability, etc., and achieves good popularization and application value. , The effect of reducing construction difficulty, improving construction quality and construction efficiency

Inactive Publication Date: 2017-09-29
张启志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In 2007, the Ministry of Commerce, the Ministry of Public Security, the Ministry of Construction, the General Administration of Quality Supervision, Inspection and Quarantine, and the State Environmental Protection Administration issued the "Notice on Prohibiting On-Site Mixing of Mortar in Some Cities within a Time Limit" (Shang Gaifa [2007] No. 205), and Guangzhou was the first batch Cities that banned on-site mixing of mortar for a limited period began to promote the use of ready-mixed mortar in 2008, but the effect was not satisfactory
The main reason is that there are defects in the two ready-mixed mortars currently used: the wet-mixed mortar is limited by the time limit of use, and the dry-mixed mortar has segregation and dust during the distribution process; the two are only substitutes for traditional mortars, and the construction method has not changed.
When the temperature difference exceeds a certain critical value, temperature stress will be generated. When the temperature tensile stress is greater than the tensile strength of the mortar, the mortar structure will produce cracks, which will affect the durability of the project.

Method used

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  • Green construction method of pre-mixed mortar for building construction
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  • Green construction method of pre-mixed mortar for building construction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1 A kind of ready-mixed mortar for building construction

[0040] A ready-mixed mortar for building construction, which comprises the following raw materials in weight ratio: 20.5wt% of cement, 0.8wt% of silica fume, 58wt% of sand, 2.1wt% of latex powder, 0.6wt% of vitrified microspheres, hydroxypropyl methyl Base cellulose 1.1wt%, high water retention resin polyvinyl alcohol 0.4wt%, rare earth 4wt%, sulfonated melamine formaldehyde resin 1wt%, modified sodium bentonite 1.8wt%, calcium lignosulfonate 0.2wt%, aluminum powder 0.7 % by weight, 0.9% by weight of calcium sulfoaluminate, 3% by weight of gypsum, 0.5% by weight of sodium dodecylsulfonate, 0.5% by weight of sodium carbonate, and the balance is water and unavoidable impurities.

Embodiment 2

[0041] Embodiment 2 A kind of ready-mixed mortar for building construction

[0042]A ready-mixed mortar for building construction, which comprises the following raw materials in weight ratio: 21.5wt% of cement, 1.5wt% of silica fume, 60wt% of sand, 2.6wt% of latex powder, 0.9wt% of vitrified microbeads, hydroxypropyl methyl Base cellulose 1.3wt%, high water retention resin polyvinyl alcohol 0.6wt%, rare earth 6wt%, sulfonated melamine formaldehyde resin 2wt%, modified sodium bentonite 2.1wt%, calcium lignosulfonate 0.3wt%, aluminum powder 0.9 wt%, calcium sulfoaluminate 1.1wt%, gypsum 4wt%, sodium dodecylsulfonate 0.6wt%, sodium carbonate 0.7wt%, the balance is water and unavoidable impurities.

Embodiment 3

[0043] Embodiment 3 A kind of ready-mixed mortar for building construction

[0044] A ready-mixed mortar for building construction, which comprises the following raw materials in weight ratio: 22.5wt% of cement, 2.2wt% of silica fume, 62wt% of sand, 3.1wt% of latex powder, 1.2wt% of vitrified microspheres, hydroxypropyl methyl Base cellulose 1.5wt%, high water retention resin polyvinyl alcohol 0.8wt%, rare earth 8wt%, sulfonated melamine formaldehyde resin 3wt%, modified sodium bentonite 2.4wt%, calcium lignosulfonate 0.4wt%, aluminum powder 1.1 wt%, calcium sulfoaluminate 1.3wt%, gypsum 5wt%, sodium dodecylsulfonate 0.7wt%, sodium carbonate 0.9wt%, the balance is water and unavoidable impurities;

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PUM

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Abstract

The invention discloses a green construction method of pre-mixed mortar for building construction. The method comprises the steps of preparing the pre-mixed mortar; carrying out material absorption; transporting the pre-mixed mortar; arranging a cooling circulation pipe network; carrying construction of the pre-mixed mortar: (1) carrying out primary construction of the pre-mixed mortar; (2) building a water storage thermal insulation curing pool; (3) monitoring the temperature in real time; (4) carrying out secondary construction of the pre-mixed mortar; (5) blocking a cooling circulation pipe network, recovering waste water in the water storage thermal insulation curing pool, and the like. The pre-mixed mortar is reasonable in component collocation; the prepared pre-mixed mortar is better in adhesion force and adaptability of temperature difference and good in color, does not easily crack, has very high hydrophobic property, heat insulation property, heat preservation property, and the like, and can be molded at a time during construction. The construction method provided by the invention realizes a construction scheme integrating mortar production, detection, transporting, pouring, remote optimization and real-time management, thus reducing constructors, lightening the labor intensity, improving the construction quality, increasing the construction efficiency, and lowering the engineering cost; therefore, the construction method has good popularization and application value.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a green construction method of ready-mixed mortar for building construction. Background technique [0002] In 2007, the Ministry of Commerce, the Ministry of Public Security, the Ministry of Construction, the General Administration of Quality Supervision, Inspection and Quarantine, and the State Environmental Protection Administration issued the "Notice on Prohibiting On-Site Mixing of Mortar in Some Cities within a Time Limit" (Shang Gaifa [2007] No. 205), and Guangzhou was the first batch Cities that banned on-site mixing of mortar within a limited period began to promote the use of ready-mixed mortar in 2008, but the effect was not satisfactory. The main reason is that there are defects in the two ready-mixed mortars currently used: the wet-mixed mortar is limited by the time limit of use, and the dry-mixed mortar has segregation and dust during the distribution ...

Claims

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Application Information

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IPC IPC(8): C04B28/02E04G21/04E04G21/24B01D29/01B01D29/58B28C5/08B28C5/16C04B111/27C04B111/28
CPCC04B28/02B01D29/01B01D29/58B28C5/0806B28C5/16C04B2111/27C04B2111/28E04G21/0418E04G21/246C04B18/146C04B14/06C04B24/24C04B14/22C04B24/383C04B24/2623C04B14/34C04B24/166C04B14/104C04B24/18C04B22/04C04B22/14C04B22/143C04B24/16C04B22/10
Inventor 张启志程险峰郑世昌张琦忠王东霞郭保伟张博新杨晨马超南
Owner 张启志
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