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Brief Introduction and Classification of Stone Curtain Wall
2022-12-19
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Brief Introduction of Stone Curtain Wall
Stone curtain wall is an independent enclosure structure system. According to the construction method, it can be divided into wet hanging (using cement mortar to bond stone with wall) and dry hanging method. At present, the most used method in construction is dry hanging stone curtain wall, which uses metal hangers to hang stone face slabs on the metal skeleton connected with the main structure.
Scope of application of stone curtain wall
Residential 1 # ~ 5 # Building 1 ~ 3 floors, local unit entrance 4 floors; Office 1 # skirt part, office 2 # ~ 4 # building lobby entrance stone curtain wall security engineering.
Classification of Stone Curtain Wall
Dry hanging stone can be divided into two types according to the installation form: hook type (plate support type) and back bolt type.
I. hook type (plate support type)
The hook-type dry-hanging stone is made of stainless steel (or aluminium alloy) fittings, which are inserted into the edge groove of the cut stone, bonded with epoxy resin or dry-hanging fast-drying adhesive in the groove, and fixed on the installed metal skeleton with bolts. (Short groove, through groove, pin type)
1. Short groove type: Short groove type hanging method generally adopts T-type hanging parts or butterfly type hanging parts (made of stainless steel or aluminium alloy). There should be two short flat slots at the bottom and bottom of each slab. The length of short flat slots should not be less than 100 mm, and the depth of slots in effective length should not be less than 15 mm; the width of slots should be 6 mm-8 mm; and the thickness of hanging parts should be more than 3 mm.
2. Pass-through groove type:
Aluminum alloy SE composite hanging parts (part of T-shaped or butterfly-shaped hanging parts) are usually used in through-slot hanging method. Long grooves are opened at the bottom and bottom of each slab, the depth of grooves is less than 15 mm; the width of grooves should be 6 mm; and the thickness of hanging parts should be greater than 4 mm.
3. Pin type:
Pin-type stone dry-hanging technology is the first generation product of stone curtain wall. It drills holes in the upper and lower ends of the stone slab and fixes them with brackets and pins. This structure is simple, but it is difficult to construct and easy to cause problems such as drilling dislocation. Nowadays, it is not in use.
2. Back bolt type
Back bolt type stone curtain wall is the most advanced technology in the world and the direction of development of domestic stone curtain wall technology. Back bolt type is a special pillar-cone anchor bolt. It drills on the back of stone (special cone bit and drill rig must be used) and ensures accurate drilling depth and size. The anchor bolt is fixed in the cone hole without expansion force, and then hangs on the installed skeleton.
Back bolt stone curtain wall has high connection strength, strong plate deformation resistance, and can be replaced after plate breakage. Its characteristics are as follows:
1. The system is processed by special equipment with high precision.
2. The back of the stone is connected by stainless steel anchor bolt, which achieves stress-free anchorage and high connection strength.
3. The assembly structure adopts hanging type, which is easy to install and can realize three-dimensional direction adjustment. The plate has strong anti-displacement ability and meets the requirements of seismic performance.
4. Good maintenance performance, can replace damaged stone plates at any time.
5. Because of the excellent load-bearing performance of the slab, it is more suitable for high-rise buildings with harsh climatic conditions and heavy loads.
Advantages of Stone Curtain Wall Decoration
1. Natural materials, bright and translucent, hard and permanent, noble and elegant;
2. Frost resistance: Stone in wet state, can resist freezing and thawing without significant damage, this performance is called frost resistance. When the temperature of water in the rock pore is below 20 degrees Celsius, it freezes, and the water expansion in the pore is 1/10 larger than the original volume. If the rock can not resist the force produced by the expansion, it will be destroyed.
3. Compressive strength: The compressive strength of stones varies with mineral composition, crystalline thickness, homogeneity of cementing materials, loading area, loading effect and cleavage angle. If other conditions are the same, dense materials with fine crystalline particles and bonded together usually have high strength.
Stone curtain wall is an independent enclosure structure system. According to the construction method, it can be divided into wet hanging (using cement mortar to bond stone with wall) and dry hanging method. At present, the most used method in construction is dry hanging stone curtain wall, which uses metal hangers to hang stone face slabs on the metal skeleton connected with the main structure.
Scope of application of stone curtain wall
Residential 1 # ~ 5 # Building 1 ~ 3 floors, local unit entrance 4 floors; Office 1 # skirt part, office 2 # ~ 4 # building lobby entrance stone curtain wall security engineering.
Classification of Stone Curtain Wall
Dry hanging stone can be divided into two types according to the installation form: hook type (plate support type) and back bolt type.
I. hook type (plate support type)
The hook-type dry-hanging stone is made of stainless steel (or aluminium alloy) fittings, which are inserted into the edge groove of the cut stone, bonded with epoxy resin or dry-hanging fast-drying adhesive in the groove, and fixed on the installed metal skeleton with bolts. (Short groove, through groove, pin type)
1. Short groove type: Short groove type hanging method generally adopts T-type hanging parts or butterfly type hanging parts (made of stainless steel or aluminium alloy). There should be two short flat slots at the bottom and bottom of each slab. The length of short flat slots should not be less than 100 mm, and the depth of slots in effective length should not be less than 15 mm; the width of slots should be 6 mm-8 mm; and the thickness of hanging parts should be more than 3 mm.
2. Pass-through groove type:
Aluminum alloy SE composite hanging parts (part of T-shaped or butterfly-shaped hanging parts) are usually used in through-slot hanging method. Long grooves are opened at the bottom and bottom of each slab, the depth of grooves is less than 15 mm; the width of grooves should be 6 mm; and the thickness of hanging parts should be greater than 4 mm.
3. Pin type:
Pin-type stone dry-hanging technology is the first generation product of stone curtain wall. It drills holes in the upper and lower ends of the stone slab and fixes them with brackets and pins. This structure is simple, but it is difficult to construct and easy to cause problems such as drilling dislocation. Nowadays, it is not in use.
2. Back bolt type
Back bolt type stone curtain wall is the most advanced technology in the world and the direction of development of domestic stone curtain wall technology. Back bolt type is a special pillar-cone anchor bolt. It drills on the back of stone (special cone bit and drill rig must be used) and ensures accurate drilling depth and size. The anchor bolt is fixed in the cone hole without expansion force, and then hangs on the installed skeleton.
Back bolt stone curtain wall has high connection strength, strong plate deformation resistance, and can be replaced after plate breakage. Its characteristics are as follows:
1. The system is processed by special equipment with high precision.
2. The back of the stone is connected by stainless steel anchor bolt, which achieves stress-free anchorage and high connection strength.
3. The assembly structure adopts hanging type, which is easy to install and can realize three-dimensional direction adjustment. The plate has strong anti-displacement ability and meets the requirements of seismic performance.
4. Good maintenance performance, can replace damaged stone plates at any time.
5. Because of the excellent load-bearing performance of the slab, it is more suitable for high-rise buildings with harsh climatic conditions and heavy loads.
Advantages of Stone Curtain Wall Decoration
1. Natural materials, bright and translucent, hard and permanent, noble and elegant;
2. Frost resistance: Stone in wet state, can resist freezing and thawing without significant damage, this performance is called frost resistance. When the temperature of water in the rock pore is below 20 degrees Celsius, it freezes, and the water expansion in the pore is 1/10 larger than the original volume. If the rock can not resist the force produced by the expansion, it will be destroyed.
3. Compressive strength: The compressive strength of stones varies with mineral composition, crystalline thickness, homogeneity of cementing materials, loading area, loading effect and cleavage angle. If other conditions are the same, dense materials with fine crystalline particles and bonded together usually have high strength.
