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Gypsum-based composite thermal insulation terrace and construction method thereof

A construction method, gypsum-based technology, applied in the direction of construction, building structure, floor, etc., can solve the problems of low construction efficiency, poor flatness, etc., and achieve the effect of improved quality, same material properties, and complementary functions

Inactive Publication Date: 2021-07-30
浙江金铠建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve technical problems such as hollowing, cracking, poor flatness, and low construction efficiency of the thermal insulation floor system, the present invention provides a gypsum-based composite thermal insulation floor and its construction method, so that the overall insulation and comfort of the thermal insulation floor system can be achieved. Layers are firmly bonded, the system is stable and crack-resistant, high-precision leveling and high-efficiency construction significantly improve the quality, efficiency and cost of the thermal insulation floor system

Method used

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  • Gypsum-based composite thermal insulation terrace and construction method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The gypsum-based composite thermal insulation floor of this embodiment is composed of a gypsum-based self-leveling mortar protection leveling layer 1 and a gypsum-based double-foaming slurry insulation filling layer 2 from top to bottom, and the gypsum-based self-leveling mortar protection leveling layer 1 The thickness is 20mm, and the thickness of the gypsum-based double foamed slurry insulation layer 2 is 20mm.

[0040] The above-mentioned gypsum-based self-leveling mortar is based on 1000kg of building gypsum. The necessary additive ratio is: 110kg of cement, 5kg of gypsum water reducer, 2.5kg of gypsum defoamer, 2kg of gypsum retarder, and 350kg of mixing water.

[0041] The above-mentioned gypsum-based double-foaming slurry is 1m 3 The mixing ratio is: 200kg of building gypsum, 0.1kg of gypsum retarder, 1.5kg of gypsum foaming agent, and a cumulative volume of polystyrene foam particles of 0.7m 3 , 150kg of mixing water.

[0042] The construction method of the gyp...

Embodiment 2

[0049] The gypsum-based composite thermal insulation floor of this embodiment is composed of a gypsum-based self-leveling mortar protection leveling layer 1 and a gypsum-based double-foaming slurry insulation filling layer 2 from top to bottom, and the gypsum-based self-leveling mortar protection leveling layer 1 The thickness is 30mm, and the thickness of the gypsum-based double-foamed slurry insulation filling layer 2 is 30mm.

[0050] The above-mentioned gypsum-based self-leveling mortar is based on 1000kg of building gypsum, and the necessary additive ratio is: 90kg of cement, 4kg of gypsum water reducer, 2kg of gypsum defoamer, 1.5kg of gypsum retarder, and 450kg of mixing water.

[0051] The above-mentioned gypsum-based self-leveling mortar can also be optionally mixed with 600kg of fine sand and 80kg of fly ash.

[0052] The above-mentioned gypsum-based double-foaming slurry is 1m 3 The mixing ratio is: 300kg of building gypsum, 0.3kg of gypsum retarder, 1kg of gypsum ...

Embodiment 3

[0056] The gypsum-based composite thermal insulation floor of this embodiment is composed of a gypsum-based self-leveling mortar protection leveling layer 1 and a gypsum-based double-foaming slurry insulation filling layer 2 from top to bottom, and the gypsum-based self-leveling mortar protection leveling layer 1 The thickness is 40mm, and the thickness of the gypsum-based double-foamed slurry insulation filling layer 2 is 40mm.

[0057] The above-mentioned gypsum-based self-leveling mortar is based on 1000kg of building gypsum, and the necessary additive ratio is: 60kg of cement, 2kg of gypsum water reducer, 1kg of gypsum defoamer, 1kg of gypsum retarder, and 600kg of mixing water.

[0058] The above-mentioned gypsum-based self-leveling mortar can also be optionally mixed with 1000kg of fine sand and 70kg of micro-silica fume.

[0059] The above-mentioned gypsum-based double-foaming slurry is 1m 3 The mixing ratio is: 350kg of building gypsum, 0.7kg of gypsum retarder, 2kg o...

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Abstract

The invention provides a gypsum-based composite thermal insulation terrace and a construction method thereof. The terrace is composed of a gypsum-based self-leveling mortar protection leveling layer and a gypsum-based double-foaming slurry thermal insulation filling layer from top to bottom, the thickness of the gypsum-based self-leveling mortar protection leveling layer is 20-50 mm, the thickness of the gypsum-based double-foaming slurry thermal insulation filling layer is 20-50 mm. The gypsum-based double-foaming slurry thermal insulation filling layer and the gypsum-based self-leveling mortar protection leveling layer are both made of gypsum-based materials, not only have the advantages of being low in shrinkage rate, coordinating in shrinkage, stable in bonding, flat, resistant to cracking and the like, but also can adopt a mechanical pumping cast-in-place process for the two-layer structure, can be hardened within five hours for continuous construction, the quality, the efficiency and the cost of the thermal insulation terrace can be obviously improved.

Description

technical field [0001] The invention relates to the technical field of green energy-saving buildings, in particular to a gypsum-based composite thermal insulation floor and a construction method thereof. Background technique [0002] The thermal insulation floor system is located between the floor slab and the floor decoration layer, and has strict requirements on green and energy-saving buildings. The existing thermal insulation floor technology mainly includes the combination of thermal insulation pad (board) and fine stone concrete, the combination of cement thermal insulation mortar and fine stone concrete, the combination of thermal insulation pad (board) and gypsum-based self-leveling, the combination of cement foaming slurry and gypsum-based self-leveling Combining the four types, the outstanding problems are as follows: [0003] 1. The combined floor of thermal insulation pad (board) and fine stone concrete, because the thermal insulation layer has low compressive s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F15/12E04F15/18C04B28/14
CPCE04F15/12E04F15/182C04B28/14C04B2201/50C04B2201/32C04B2201/20E04F2290/04
Inventor 王喜林张松孟冬亮
Owner 浙江金铠建筑科技有限公司
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