Talking about the application of new type prefabricated prefab house in construction engineering

Abstract: Compared with the traditional prefabricated prefab house, the new prefabricated prefab house has the advantages of good integrity, strong national security, good wind and typhoon protection effects, and many turnovers. This article mainly introduces the construction technology of the new prefabricated prefabricated house, Economics and application prospects.

With the continuous deepening of the national concept of green, energy saving, environmental protection and sustainable development, the new type of prefabricated prefab houses that can be recycled and revolved are constantly being valued and promoted, and their application in projects can not only reduce construction costs , but also to speed up the construction progress.

1. Advantages of the new prefabricated prefab house

(1) Good integrity and firmness Multiple prefabricated houses form the whole prefabricated house, and each prefabricated house is connected by bolts to form a box-type structure, which further improves the integrity and safety.

(2) Windproof and typhoon prevention

Each prefabricated house is a unit, and each prefabricated house is composed of small units connected by bolts to form a whole, and is firmly connected to the foundation to increase the overall rigidity and harm the wind There is a certain preventive effect.

(3) Good performance of sound insulation, heat insulation and fire protection

(4) Many turnovers

The new prefabricated prefab house is divided into four modules: bottom frame, top frame, column and wall panel, with low disassembly and assembly damage rate.

(5) High installation efficiency

The bottom frame, top frame and column are connected by bolts, and there is no electric welding operation for on-site installation, which reduces the risk of fire. Workers can master it after one or two courses of training, and the efficiency is high.

(6) There are many types and specifications.

The room types can mainly include: standard rooms, couples rooms, toilets, bathrooms, canteens, standard meeting rooms, guard rooms, maintenance rooms, stairs, walkways, handrail awnings, on-site power distribution room, pump room, standard maintenance room, weighbridge room, etc.

2. Construction process flow

Construction process flow: unloading - container lifting to the designated foundation - skeleton assembly - wall panel installation - door and window installation - aisle and railing installation - stair handrail installation - awning installation - Indoor power line layout—decorative corner installation—socket, switch, control power box installation—lamp installation—air conditioner bracket installation For low requirements, hardened floor, ground ring beam, concrete corner column foundation or steel structure platform foundation can be used.

3.2 Wall

The wall is made of 50mm thick rock wool board, with a bulk density of 80kg/m³, excellent fire performance, A1 grade non-combustible, good thermal insulation performance, thermal conductivity of 0.04w/(m·K), which can meet the requirements of both north and south Use demand, and at the same time, the heat insulation and sound absorption effect is remarkable.

3.3 Roof panels

The upper and lower layers of FRP sandwich composite material are used. FRP is made of alkali-free FRP fiber and unsaturated polyester resin. It has the advantages of high strength, quality diameter, no deformation, etc., and its high temperature resistance , The characteristics of corrosion resistance, friction resistance and aging resistance improve the service life of the whole box. The middle core layer material adopts phenolic insulation board that meets the requirements of Class A fire protection, and its thermal insulation and energy saving effect is outstanding. The characteristics of the whole roof panel can better solve the problems of waterproof, anti-leakage and heat insulation. At the same time, the outside is smooth and smooth, and the inner surface layer can directly act as the roof ceiling, which is beautiful and practical.

3.4 Flooring

A new type of lightweight floor decoration material, a PVC plastic floor, is used in the floor design of the box-type room. It is a high-grade decorative material for the ground with the functions of cleanness, neatness, elasticity, sound absorption, beauty and generosity, which is produced from polyvinyl chloride as the main raw material through a series of physical processing processes.

3.5 Electrical system

The electrical system of the box-type room forms a hidden wire trough and a hidden wire pipe embedded in the rock wool color steel plate according to the special top beam designed to form a standard buried electrical system, which is overall standard and beautiful.

3.6 Beams and Columns

It adopts self-developed special-shaped beams and columns, fully considering the use requirements of strength, waterproof and life. The bottom beam and the top beam adopt a modern integrated forming machine, and are drawn with 2.5mm galvanized steel coils. In the design process of the beam, reinforcing ribs are added to fully guarantee its strength coefficient. The column as a whole is treated with baking paint, which has strong anti-rust performance and is beautiful and flat.

3.7 Removable and detachable

On the premise of meeting the turnover requirements, the box-type room is designed into a structure that can be separated and integrated. The whole box structure is divided into four parts: the bottom frame, the top frame, the column, and the dark plate. , The column and the frame and the top frame are connected by 8.8 grade high-strength screws, which are truly removable.

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Our vision is to realize the tremendous potential of prefab houses by providing prefab villas manufacturers services that consistently meet our customers’ expectations.

The first machine to produce container frame, the flat pack homes prefab houses was invented in prefab shipping container homes in prefab house manufacturers by prefabricated house manufacturers and was subsequently improved.

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