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GFRGGLASS FIBER
REINFORCED GYPSUM
BY
ANIKET BHAGAT
B TECH STUDENT AT BIT
GFRG WALL PANELS
ALSO CALLED AS RAPIDWALL
PRE-FABRICATED WALL PANEL
GREEN BUILDING MATERIAL
ORIGINALLY DEVELOPED AND USED IN AUSTRALIA
USES PHOSPHOGYPSUM AS A CORE MATERIAL
MANUFACTURED AT FACT RCF BUILDING PRODUCTS
LIMITED KOCHI, KERALA
PHOSPHOGYPSUM GLASS FIBER WATER
WHITE CEMENT D50 (RETARDER) BS 94 (WATER
REPELLENT)
RAW MATERIALS FOR MANUFACTURE
RAW GYPSUM IS
COLLECTED
RAW GYPSUM IS
CRUSHED
CALCINATION
PROCESS
HEATED AT 180ºC
– 200ºC
DURING
CALCINATIOM
MIXING WITH
WATER, CEMENT
AND CHEMICALS
SLURRY IS
PLACED ON
THE TABLE
GLASS FIBER
IS SPREAD ON
THE SURRY
ALUMINIUM
PLUGS ARE
INSERTED
2ND LAYER OF
SLURRY AND
FIBERS ARE
SPREAD
DRIED AT
200ºC
MANUFACTURING PROCESS
COMPRESSIVE STRENGTH :- EMPTY PANEL :- 73,10 Kg/cm^2
CONCRETE INFILL :- 180.70 Kg/cm^2
FLEXURAL STRENGTH :- EMPTY PANEL :- 21.25 Kg/cm^2
CONCRETE INFILL :- 20.80 Kg/cm^2
NET DENSITY :- 1140 Kg/m^3
EARTHQUAKE RESISTANCE :- RITCHER SCALE
UPTO 8
FIRE RESISTANCE
(RATING 700ºC -1000ºC) :- 4HRS
CHARACTERISTICS OF GFRG
MATERIALS GFRG WALL
BUILDING
CONVENTIONAL
BUILDING
SAVINGS IN %
CEMENT 16 TONS 32.55 TONS 50.8%
STEEL 1800 Kg 2779 Kg 35.2%
SAND 20 CUM 83.37 CUM 76%
GRANITE 38 CUM 52.46 CUM 27.56%
WATER 50,000 ltr 2000000 ltr 75%
BUILT AREA 143 sqm 154.45 sqm 8%
LABOR 389 man-days 1200 man-days 67.59%
CONSTRUCTION TIME 21 DAYS 120 DAYS 82%
WT OF
SUPERSTRUCTURE
170 TONS 490 TONS 65%
CONSTRUCTION COST 13.25 LAKHS 18.27 LAKHS 27.47%
COMPARISON OF GFRG WALL BUILDING VS
CONVENTIONAL BUILDING (1500 SQ.FT)
HIGH COMPRESSIVE
STRENGTH
HIGH FLEXURAL STRENGTH
TIME SAVING
COST SAVING
RESISTANCE TO FIRE AND
TERMITES
CANNOT BE USED FOR
CIRCULAR WALLS
CLEAR SPAN HAS TO
BE KEPT LESS THAN
5m FOR RESIDENTIAL
BUILDINGS
ADVANTAGES AND DISADVANTAGES
THANK YOU

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Glass Fiber Reinforced Gypsum (GFRG)

  • 1. GFRGGLASS FIBER REINFORCED GYPSUM BY ANIKET BHAGAT B TECH STUDENT AT BIT
  • 2. GFRG WALL PANELS ALSO CALLED AS RAPIDWALL PRE-FABRICATED WALL PANEL GREEN BUILDING MATERIAL ORIGINALLY DEVELOPED AND USED IN AUSTRALIA USES PHOSPHOGYPSUM AS A CORE MATERIAL MANUFACTURED AT FACT RCF BUILDING PRODUCTS LIMITED KOCHI, KERALA
  • 3.
  • 4. PHOSPHOGYPSUM GLASS FIBER WATER WHITE CEMENT D50 (RETARDER) BS 94 (WATER REPELLENT) RAW MATERIALS FOR MANUFACTURE
  • 5. RAW GYPSUM IS COLLECTED RAW GYPSUM IS CRUSHED CALCINATION PROCESS HEATED AT 180ºC – 200ºC DURING CALCINATIOM MIXING WITH WATER, CEMENT AND CHEMICALS SLURRY IS PLACED ON THE TABLE GLASS FIBER IS SPREAD ON THE SURRY ALUMINIUM PLUGS ARE INSERTED 2ND LAYER OF SLURRY AND FIBERS ARE SPREAD DRIED AT 200ºC MANUFACTURING PROCESS
  • 6. COMPRESSIVE STRENGTH :- EMPTY PANEL :- 73,10 Kg/cm^2 CONCRETE INFILL :- 180.70 Kg/cm^2 FLEXURAL STRENGTH :- EMPTY PANEL :- 21.25 Kg/cm^2 CONCRETE INFILL :- 20.80 Kg/cm^2 NET DENSITY :- 1140 Kg/m^3 EARTHQUAKE RESISTANCE :- RITCHER SCALE UPTO 8 FIRE RESISTANCE (RATING 700ºC -1000ºC) :- 4HRS CHARACTERISTICS OF GFRG
  • 7. MATERIALS GFRG WALL BUILDING CONVENTIONAL BUILDING SAVINGS IN % CEMENT 16 TONS 32.55 TONS 50.8% STEEL 1800 Kg 2779 Kg 35.2% SAND 20 CUM 83.37 CUM 76% GRANITE 38 CUM 52.46 CUM 27.56% WATER 50,000 ltr 2000000 ltr 75% BUILT AREA 143 sqm 154.45 sqm 8% LABOR 389 man-days 1200 man-days 67.59% CONSTRUCTION TIME 21 DAYS 120 DAYS 82% WT OF SUPERSTRUCTURE 170 TONS 490 TONS 65% CONSTRUCTION COST 13.25 LAKHS 18.27 LAKHS 27.47% COMPARISON OF GFRG WALL BUILDING VS CONVENTIONAL BUILDING (1500 SQ.FT)
  • 8. HIGH COMPRESSIVE STRENGTH HIGH FLEXURAL STRENGTH TIME SAVING COST SAVING RESISTANCE TO FIRE AND TERMITES CANNOT BE USED FOR CIRCULAR WALLS CLEAR SPAN HAS TO BE KEPT LESS THAN 5m FOR RESIDENTIAL BUILDINGS ADVANTAGES AND DISADVANTAGES