Hainan GRC component Full name: GRC building detail decoration component. Abbreviation of the specification: GRC building details. GRC building detail decoration components are often referred to as GRC components because their names are too long to remember. GRC building detail decoration component belongs to a kind of building component in a subitem decoration of detail engineering in building decoration engineering.

characteristic

1. Infinite plasticity

GRC products are made by mixing raw materials in a certain proportion and pouring them into molds to produce products with rich shapes and diverse textures. According to the different needs of customers and designers, arbitrary artistic modeling can be carried out.

2. Light weight and high strength

The bulk density of GRC is about 1.8~1.9g/cm ³ ， The weight of 8mm thick standard GRC plate is only 15kg, the compressive strength exceeds 40MPa, and the bending strength exceeds 34MPa, greatly exceeding the requirements of international standards.

3. Ultra thin technology, large size

The minimum thickness of GRC board can be 5mm, the standard width is 900mm and 1200mm, and the length is unlimited, which can meet the transportation conditions. It can also be made into 5mm to any thickness and any size.

4. Rich colors and various shapes

GRC products are made of homogeneous and permeable mineral raw materials, which can be made into artistic effects of different colors and shapes according to customers' needs.

5. Good texture and texture

GRC product surface can be made into sandblasting surface, litchi surface, smooth surface and other different texture effects, and can also be made into strip, hollow, relief and other different texture effects.

6. Environmental protection and radiation free

GRC is a renewable material, which is conducive to environmental protection. The raw material does not contain radioactive nuclear elements, and is a national class A environmental protection material with radionuclide content.

7. Fireproof and waterproof

GRC raw materials are all non combustible materials, which are tested to be Class A1 fireproof materials. After long-term immersion in water, the shape and safety coefficient of GRC material change little, and the structure and performance do not change.

8. Anti pollution, non deformation, super durability

The dry and wet deformation of GRC material is less than 0.123%. A large number of experiments have proved that GRC has super durability, is not afraid of ultraviolet radiation, can withstand wind, sun, rain, and weather resistance is far higher than ordinary building materials.

9. Good sound insulation and seismic resistance

According to the different thickness of GRC material and surface treatment methods, good sound insulation and absorption effect can be achieved. In addition, its light weight and high strength make it more resistant to earthquake impact than other materials.

10. Short construction period, convenient maintenance and easy replacement

GRC can be produced in large blocks, and the installation methods are simple and diverse, and all of them are factory prefabricated, which is conducive to on-site construction and shortens the construction period.

install

Classification of embedded parts of components

1. Embedded parts of galvanized flat steel: the specification is determined according to the weight of the component. Generally, the specification of galvanized flat steel is 40mm long, 30mm wide, 3mm thick, and the spacing is 500mm. The flat steel drilling is connected by expansion bolts.

2. Embedded parts are divided into external detection, internal detection, direct detection and concealed parts, which are directly anchored to the wall or bolted to the installed steel frame.

Connection mode

Expansion bolt: expansion bolt shall be used to connect and fix the external wall insulation (benzene plate) that is not suitable for welding. The length and diameter of expansion bolt shall be determined by the weight of components.

wall

1. Concrete: flat steel embedded parts shall be drilled and installed with expansion bolts. Generally, the distance between the drilling hole and the edge of the door and window opening should not be less than 100mm. In special cases, this distance should be determined according to the actual situation to prevent the drilling hole from encountering the concrete main reinforcement or cracking the corners.

2. Hollow brick: the wall is an enclosure structure, which is not load-bearing, and it is usually not suitable to use expansion bolts for installation. Instead, use expansion bolts or steel structures for installation after filling the hollow bricks at the fixed embedded parts.

3. Sometimes embedded parts penetrating the wall are used. This scheme is easy to produce cold bridges in northern areas, which must be approved by Party A and well insulated.

Installation process

Re check the site size → positioning and setting out (snapping, hanging, hanging) → member pairing treatment (cutting, polishing) → installation of wall embedded parts positioning and drilling installation members → installation node concealment → joint closure treatment → waterproof treatment → member surface treatment.

Installation requirements

1. After installation, all embedded parts shall be 15~20mm lower than the external wall plastering. When the external wall plastering has been completed, the plastering layer must be chiseled at the installation point, and the embedded parts shall not be exposed.

2. When the external wall insulation is greater than 80mm, the embedded parts of the components must be deep into the insulation board, 20mm away from the wall. First, the insulation board shall be perforated, anchored with expansion bolts, and then the holes shall be filled with foam glue, and the surface shall be repaired with external wall putty before external decoration.

3. The installation of components shall be horizontal, vertical, overall line, complete decoration assembly, smooth and smooth curve, and the surface of components shall be free of pollution and defects.

4. The installation nodes of components shall be aligned accurately to prevent the components from being forced to twist in place due to the misplacement of embedded parts, resulting in installation stress and long-term deformation.

5. Component connection points must be connected in place without omission. The bolt connection must be tightened.

6. The component joints are smooth, and the joints are less than 10mm.

7. The vertical members shall avoid stacking the upper members on the bottom members layer by layer, and each member shall be hung and installed on the wall separately.

8. After the installation of components, the dust and stains on the surface shall be cleaned from top to bottom, and the joints shall be filled and polished smoothly.