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In traditional floor heating construction, the insulation layer uses 20mm thick extruded polystyrene board. On the one hand, the production process of insulation materials is energy-intensive, costly and environmentally unfriendly. There is a greater fire hazard during the material storage process; on the one hand, the construction of thin and large pieces is uncertain, the quality of the joints is difficult to guarantee, and the debris formed during material transportation and construction can easily cause environmental pollution.
The foaming cement insulation layer floor heating construction method is to mechanically stir the foaming agent through a foaming machine to fully foam the insulation layer, and then mix the foam with cement slurry, fly ash, etc. evenly, and then pump the foam into the machine The pipes are transported to the building floors, and after natural curing and solidification, a new lightweight insulation material containing a large number of closed pores is formed. The characteristic of the foam cement floor heating insulation layer is that a closed foam cement layer is formed inside the concrete floor, making the floor heating system lighter and more insulated. At the same time, the foam cement floor heating insulation layer has good integrity and has certain advantages. Waterproof properties. The insulation materials used are water and foaming agents, which are pumped to designated locations. Mechanization improves work efficiency and avoids environmental pollution caused by debris materials during conventional floor radiant heating construction and the laying of insulation boards in buildings. Fire hazards caused by insulation board construction. Because the foamed cement floor heating insulation layer is simple to construct, can realize automated operation, and is fast in construction, it has received widespread attention and recognition from people in the industry. It has huge development prospects in floor heating construction.
Features and scope of application
1. Characteristics of construction methods
1.1 Energy saving and environmental protection
Use foam cement floor heating insulation layer to replace the original insulation board insulation layer. Foam cement is integrated with on-site mixing and pouring. The pumping and paving of foam cement replaces the leveling and paving of traditional insulation construction. The three processes of benzene board and aluminum foil improve production efficiency and save materials. Compared with insulation boards, production links such as material processing, manufacturing and molding are reduced, and energy consumption is reduced. The construction of foam cement floor heating insulation layer adopts pumping method, which avoids environmental pollution caused by debris materials formed when manually transporting insulation materials.
1.2 Construction is simple and fast
Foam cement has very good fluidity. No vibration or shaping is required during pouring. Controlling ground elevation and thickness is very easy. The construction of the floor heating insulation layer can be completed with simple operations, saving labor, time and effort. , construction is simple and fast.
1.3 Mechanized construction improves production efficiency
The foam cement floor heating insulation layer is constructed using mechanical mixing and pumping. The pump tube used is flexible pump tube. easy to use. Under normal circumstances, the construction of about 400 square meters of floor heating insulation layer can be completed every hour, which only takes 3 to 4 hours. Everyone cooperates.
1.4 High strength, good thermal insulation and sound insulation properties
The foamed cement floor heating insulation layer has obvious advantages such as good integrity, high strength, good thermal insulation and sound insulation performance, flame retardancy, low cost, and wide range of raw materials.
1.5 Crack control
The control of the foam cement mix ratio and the prevention of cracks in the insulation layer are the focus of the construction of the foam cement floor heating insulation layer.
2. Scope of application
Indoor floor heating construction in various civil and public buildings.
Process flow
1. Process flow:
Construction preparation → Find elevation and elastic control line → Base layer treatment → Preparation of slurry → High-pressure pipeline transportation → Insulation layer pouring → Leveling → Natural curing → Inspection and acceptance → Coiled material → Hydraulic test → Placement of anti-crack net → Floor heating filling layer pouring, Leveling
2. Construction photos:
Ground chiseling and cleaning
The wall plastering is completed and the 1m wire is in place.
Base grouting
Foam cement floor heating insulation layer leveling
Coil
Finished product effect
Benefit Analysis
By adjusting the construction method of the ground insulation layer of Buildings 1#~8# in Jiangpingyuan (Plot E) of Tiantuo Phase I, the construction cost of the insulation layer was saved and the project cost was reduced. It not only ensures the quality of construction, increases the speed of construction, and reduces construction waste, it mainly facilitates workers to operate the construction, reduces the number of construction personnel, and saves resources.
Foamed cement is closely integrated with the main structure, which improves the integrity and strength of the building, eliminates common quality problems with traditional technology, and reduces construction costs.
The surface quality of the foam cement floor heating insulation layer is good. No safety accidents occurred during the construction process. After testing, there was no pollution to the environment and no quality problems.
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