WHAT IS GRC ?
GRC stands for Glass Fibre Cement Renforced. In America they call it GFRC, in Europe and Japan they call it GRC. GRC is a kind of concrete with high quality and can be made thinner panels and installation of Glass Fiber Reinforced Concrete. GRC forms can be made thinner because without the use of a split, and using Fiber glass as its reinforcement. Although the high quality, but more GRC in use as a material that is both architecturally.
HISTORY OF GRC
- 1960: End of 1960 alkali resistant fiber development has been successfully implemented in the United States.
- 1968: Dr.Majumdar of Building Research & Establishment, UK has investigated AR Fiber familiar with the content of ZrO2.
- 1970: Chinese Building Material Academy also successfully developed AR Fiber
- 1973: AR Fiber commercially manufactured by Pilkington (UK) with the product name CemFil.
- 1975: In the American system developed steel stud framework for GRC panel.
- 1976: Japan's Nippon Electric Glass Fiber AR commenced production with a higher content of ZrO2.
- 1978: GRC products into Indonesia and the first building to use the GRC is building Widjojo Center in jl.jend.Sudirman Jakarta.
- 1985: Chi Chibu Cement, Low Alkali Cement Japan developed.
THE USE OF GRC :
• Cladding Panels
• Roof, Dome
• Louver, Grille
• Carving, Calligraphy
• Cover coloumn
• Garden Furniture
• Artificial Rock
• ceilling DLL
ADVANTAGES OF USING GRC PANEL
• Easy to set up
• Easier Maintenance
• Couples easy
• High impact power
• No Cracked etc.
||GRC or GFRC
Cladding,Roof,Dome,Cover Beam,Cover Column.
||Stone and boulders
||Clay , ceramic
GRC materials :
||Portland Cement Type-1.
Free from mud and smooth sand
||Clean water free from salt and other cchemical
||Polimer, Plasticiser if needed only.
5 Fibre Alkali Resisten Fiber ( Cem-Fil , NEG ) dengan kandungan Zirconia mi-
INSTALLATION OF grc
||For small and simple panels
||For medium panels and light load only
||steel stud frame
||For big size panels and heavy load , considerable wind load.
Hand spray-up system with special spraygun
Type of machines are in use :
Cement mixer, GRC spray gun,Hopper pump , air compressors, welding machines, etc.
GRC testing equiptment :
Slump ring testers, Sieve, triple beam balance, Sigmate, Slum test, Sieve sand, Bending test etc.
Total production worker : 54 persons.
Installation worker : deppend on the size of the project.
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