The first is those with scale effect, unified standard and easy production, which can significantly improve efficiency, quality and reduce manual parts.

The on-site installation of curtain wall, roof enclosure, overhead thermal insulation board and other equipment and pipeline system water supply, drainage, hot water, reclaimed water and rainwater, fire water collector, etc.

The parts and types of components suitable for assembly of the main structure of residential buildings, such as stairs and balconies, are easy to be standardized in precast houses, and the interior is also the part suitable for the use of precast parts in residential buildings.

Establish a standardized component library within a certain range, which refers to a certain region, a certain type of product, etc..

For example, a gap 2 (generally no less than 20mm) shall be set at the end of the extended reinforcement of the wallboard to ensure that the two precast wallboards will not intersect each other during installation, and a gap 1 (generally no less than 10mm) shall be set between the additional connecting reinforcement and the wallboard to ensure that the additional connecting reinforcement will not intersect with the precast wallboard during installation; The setting of gap 1 and gap 2 needs to consider the fabrication deviation and installation deviation of precast wallboard and the fabrication deviation requirements of additional connecting reinforcement.

The significance of using general parts and components is to break the barriers of the project and establish general parts and components in a certain area and range.

2.

There are mainly two kinds of building parts suitable for precast assembly in precast housing.

the selection design of components in equipment and pipeline system is consistent with the traditional building design.

Fixing Socket Waved End Nail Plate

For the components of precast houses, dry construction technology should be adopted as far as possible to improve the degree of assembly; The adoption of parts with a high degree of universality is conducive to the socialization of parts and components, which is of great significance to reduce costs, improve quality and improve efficiency.

The selection design of components in electrical power supply and distribution, lighting, grounding equipment and pipeline system is consistent with the traditional architectural design, which is not repeated in this standard.

The second is the part with little technical difficulty, high degree of implementation and easy standardization.

Intelligent information facilities jumper frame, bridge, information socket panel and other equipment management meters, public safety emergency broadcast, temperature detector, smoke detector, combustible gas detector, camera, access control, emergency help button and other smart home control panels, sensor interior decoration system partition strip partition strip partition, connector or adhesive, decorative surface keel, partition keel, gypsum board and decorative surface or integrated wallboard Connectors and accessories (such as battens, skirting lines, top corner lines) and sound insulation layer shall be provided with modular partition wall modules, connectors and accessories, wall overhead wall keel or overhead bolts, gypsum board and decorative surface layer or integrated wall panel, connectors and accessories, non overhead wall integrated decorative panel Connectors and accessories ground overhead building ground integrated module overhead building ground layered overhead building ground (support adjustment layer, heating layer, surface layer, connectors and accessories, heating layer shall be set as required) non overhead building ground integrated module non overhead building ground layered non overhead building ground (heating layer, surface layer, connectors and accessories, heating layer shall be set as required) ceiling metal ceiling metal veneer or metal composite plate Connectors and accessories gypsum board ceiling keel or hanger shall be set as required, gypsum board, surface layer, connectors and accessories soft film ceiling soft film, connectors and accessories integrated kitchen, kitchen wall top ground, integrated cabinet, equipment hardware, woodwork, doors and windows, toilet, integrated toilet, integrated toilet (Note: excluding integral toilet), wallboard, waterproof chassis, roof, waterproof layer, shower room Sanitary ware such as toilet and basin, hardware such as floor drain shower, equipment such as radiator and heater, lamps, woodwork, doors and windows, connectors and adhesives 1 In the connection of wallboard, the design of connection joints shall meet the stress requirements of shear wall structure, and the size of connection space shall meet the connection length requirements of additional connecting reinforcement and wallboard extension reinforcement; At the same time, it is necessary to consider the problem that two precast wallboards and additional connecting reinforcement intersect each other during installation.

Precast residential component system table residential system system selection main component system sub system precast residential structure system precast concrete structure shear wall structure shear wall panel, floor slab, floor beam, stair, balcony and other frame structures frame column, frame beam, floor beam, floor slab, stair, balcony and other frame shear wall structure shear wall panel, frame column, frame beam, floor beam, floor slab, stair Balcony and other cast steel structure frame structure steel column, steel frame beam, floor beam, floor slab, staircase, balcony and other frames – supporting structure steel column, steel frame beam, steel support, floor beam, floor slab, staircase, balcony and other frames – ductile wallboard structural steel column, steel frame beam, ductile wallboard, floor beam, floor slab, staircase, balcony and other external enclosure system external enclosure integration product scheme integrates decorative surface layer and wallboard with thermal insulation function Wallboard with heat preservation function for doors and windows, paint finish, wallboard with integrated assembled surface layer for doors and windows, doors and windows, internal heat preservation (with or without) base wallboard, paint finish, door and window (applicable to the case without heat preservation requirements) unit curtain wall separation assembly scheme, decorative curtain wall, heat preservation (with or without), door and window base wallboard, decorative curtain wall, heat preservation (with or without) The basic wall of doors and windows adopts the method of on-site assembly of strips.

The selection and design of heating, ventilation and air conditioning, smoke control and heating modules, equipment and pipeline systems are consistent with the traditional architectural design, which is not repeated in this standard.

The production of large quantities of standard parts and components will help parts and components move towards the field of commodity circulation and promote market competition and the improvement of production level.

The design and selection standard of precast housing aims to lead the design units to implement standardized forward design, focusing on how to use standardized parts for integrated design.

This standard will not be repeated.