What are the requirements for the design of prefabricated buildings?

The design requirements of prefabricated steel structure buildings are mainly reflected in the following three aspects:

1. Quality requirements: It not only reflects the quality of production and design, but also depends on the quality of the architect's work. For prefabricated buildings to be successful, steel buildings can become more standardized as long as the quality of production is improved. 2. Cost requirements: Prefabrication is more effective in cost control than traditional on-site construction methods, mainly manifested in the reduction of materials, labor and time. In theory, any one aspect reduces costs, but that doesn't mean the overall project budget is lower. For example, through targeted design, the amount of materials can be accurately judged, so as to make targeted purchases. 3. Schedule requirements: Prefabricated buildings have the important feature of shortening the construction period on site. Prefab building projects save time in factory fabrication and on-site construction. Prefabricated foundations are rarely used in construction projects, so while the foundations are constructed on site, the factory processes the production of structures, components, service systems and interior integrated modules.

Second, the characteristics of prefabricated steel structure building design.

1. Diversified design: In the past, the building had many load-bearing walls, small bays, and tight enclosures, and the room space could not be flexibly divided. The prefabricated steel structure building adopts a large bay, and the user can flexibly use the combined wall to divide it into a random space environment according to the needs. 2. Standardization of manufacturing design: According to the structural characteristics and the principle of facilitating the production and installation of components, the structure is divided into different types of components (such as walls, beams, slabs, stairs, etc.), and a structural split diagram is drawn to facilitate standardized production, installation and quality. control. 3. The reliability of the design quality: the detailed drawing of the component drawing and the processing of the component factory fully guarantee the quality of the component. There are relatively few types of components, and the unified form makes the on-site construction standardized and standardized. The exterior wall is made of concrete exterior wall, and the exterior wall window frame, paint or tiles are completed in the component factory synchronously with the exterior wall, which largely solves the quality problems of window frame leakage and wall deep water. 4. Environmental protection and energy saving: Most of the materials are processed in the component factory. Standardized and unified processing reduces material waste; on-site wet operations are basically cancelled, and assembly construction is adopted for initial decoration, which greatly reduces the generation of construction waste. Except for the core area where the beams and columns meet, the formwork is basically no longer used, which greatly reduces the utilization rate of wood.

Three, analysis of the development prospect of prefabricated buildings.

1. The design of prefabricated steel structure building components is energy-saving and environmentally friendly. Structural components are an important part of prefabricated buildings. Component assembly is mainly used for the construction of high-rise and mid-rise structures. In the beginning, all components do not need to be assembled. The prefabrication of external wall thermal insulation wall panels can be given priority, and the external wall decoration layer, thermal insulation layer and structural layer are three in one. This kind of prefabricated panel can not only speed up the construction obviously, but also avoid the erection of scaffolding outside the wall. The laying of the external wall insulation layer not only eliminates the hidden safety hazards in the construction, but also ensures the construction quality of the project. The load-bearing walls in the structure can still be cast on site, and the floors are prefabricated or superimposed, and floor formwork construction is cancelled; for partition walls, stairs, balconies, etc., factory prefabricated components can be used to avoid plastering operations. After the above measures are taken, the amount of cast-in-place concrete at the construction site is still large, but due to the increase of commercial concrete stations and the development of pumping concrete technology, the mechanization of concrete pouring can be realized. For multi-storey houses with less than 6 floors, fully assembled structures can be used in combination with standard residential designs; for steel structures and frame structures, formwork and overlay floors can be used for building floors.

2. Prefabricated buildings reduce the development of wet work in construction projects. In the development process of prefabricated steel structure buildings, wet operations such as plastering and masonry should be gradually reduced, and the method of component engineering prefabrication and construction site assembly should be adopted as much as possible. For example, lightweight partition panels without plastering on both sides can be used as partition walls. When building the wall, the blocks with uniform specifications and can be built without plastering should be promoted, and the size of the blocks should be appropriately increased; the precast concrete components used in the building structure or the concrete components cast on site should be considered fair-faced concrete and canceled. Plastering work.

3. The relevant national policy guidance makes the development prospect of prefabricated steel structure buildings broad. In recent years, the state has put forward relevant policies for the construction market to encourage the development of prefabricated sustainable buildings. Specially set up industrial technical indicators and system technology to provide effective guarantee for a large number of rapid residential construction, fundamentally and comprehensively promote green building actions. Under the national policy of vigorously advocating energy conservation and emission reduction, with the continuous improvement of relevant policy standards, my country's construction industry is transforming to green buildings and modernization of the construction industry. As an important carrier of construction industrialization, prefabricated buildings will enter a new development period.

Building Materials Technology Co., Ltd. is a prefabricated residential design, production, installation and maintenance station service enterprise. 13 years of industry experience. The 30,000-square-meter production base has a full range of products such as prefabricated buildings, integrated houses, light steel villas, container houses, prefab houses, etc. The products are widely used in cultural and tourism houses, public houses, temporary residential houses, residential office houses, etc. Four areas, hotline:,.

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