PRESENTATION ON RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING IN IIT ROPAR PROJECT by Er. Gopal Varshney S.E., CPWD CPWD, IIT ROPAR, PUNJAB

IIT Ropar Project is being constructed at Ropar Punjab by the CPWD costing Rs crores. The resource efficient bricks are being utilized in the project in the following items of work: FALG bricks (80 Lakh), AAC blocks (2000 cum) Pond-ash : Plinth filling within buildings, road embankment and terracing (1.25 lakh cum). RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

Specifications of Resource efficient bricks CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

S. No. Description / Physical requirement Required value as per IS code Clay bricks (Test results) FALG bricks (Test results) 1BIS compliance ---IS : 13757IS : Classification Class designation N/mm 2 Class designation N/mm 2 3Actual size (non modular) 225×111×70 mm 4Water absorption 20%8 – 9%10.50% 5Efflorescence not more than moderate ModerateSlight CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

S. No. Description / Physical requirement Required value as per IS code AAC block (Test results) 1BIS compliance ---IS : 2185 (part-III) 2Dimensions Length 400, 500 or 600 mm Not more than + 5 mm Width100, 150, 200 or 250 mm Not more than + 3 mm Height 200, 300 or 400 mm 3Block density 451 to 1000 kg/m 3` kg/m 3 4Compressive Strength > 4 (Grade 1 )4.11 N/mm 2 5Thermal conductivity 0.21 to 0.42 W/m.k0.30 W/m.k CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

Cost comparison of Resource efficient bricks CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING S.No.Type of bricks Basic rate per cum 1.Clay BricksRs. 2500/- 2.FALG BricksRs. 2800/- 3.AAC BlocksRs. 3000/- COST COMPARISON

Limitations of using FALG bricks & AAC blocks CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING Less screw holding capacity. Less screw holding capacity. More water absorption. More water absorption. No use in foundations. No use in foundations.

CPWD, IIT ROPAR, PUNJAB Stacking of FALG bricks at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB FALG brick work at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB FALG brick at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB FALG brick at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB AAC block masonry at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB AAC block masonry at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

Filling with Fly-ash in road embankment and within the plinth CPWD, IIT ROPAR, PUNJAB RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB The plinth level of the buildings is kept at 2 metre above the Natural Ground Level to match the HFL of Satluj river flowing adjacent to plot. The plinth filling with fly ash/ pond ash was resorted to. RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB The quality parameters of pond ash of Ropar Thermal Power Plant were got tested and were compared with the parameters given in IRC:58. RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB S. no. ParametersRange as per IRC 58 Results of sample 1Specific Gravity PlasticityNon-plastic 3Maximum Dry Density (gm/cc) Optimum Moisture Content (%) Cohesion (kN/sqm)NegligibleNil 6Angle of Internal Friction (degree)30 – Coefficient of Consolidation (cm/ sec)1.75x x x Compression index RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB S. no. ParametersRange as per IRC 58 Results of sample 9Permeability (cm/sec)8x x x Particle size distribution (% of materials) Clay size fraction Silt size fraction Sand size fraction Gravel size fraction Coefficient of Uniformity Soluble Sulphate content (gm/litre) RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Stacking of pond ash at site RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Filling of earth and pond ash in layers RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Compaction of layers by roller RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Compaction of layers by roller RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Compaction of layers by roller RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Compacted layers RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Compaction within plinth with earth compactor RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB It is being planned to install corrosion censors embedded in concrete in contact with steel reinforcement so that effect of sulphate contents on concrete is monitored. RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Item no. Description of itemQuantity 1.0Supplying of good earth by mechanical transport including loading,unloading at site including royalty and carriage up to a lead of 5 km.(The qty. payable shall be calculated by levels of compacted earth in item no. 3.0 minus 2.0 and shall be compared with the qty. brought from borrow area assessed through levels. Nothing extra shall be payable for carriage of earth beyond a lead of 5 Km, even if it is brought from a lead of more than 5 Kms.) a) Good Earth.1,24,730 cum 2.0Supply and stacking of Fly ash conforming to IRC- 58 at site, including carriage, loading, unloading & stacking up to any lead (measured stacks will be reduced by 20% for payment). 1,24,733 cum RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Item no. Description of itemQuantity 3.0Filling with available fly ash and earth (excluding rock) in trenches or embankment in layers (each layer should not exceed 15 cm), with intermediate layer of compacted earth under OMC (Soil density of 98%) after every four layers of compacted depth of fly ash (dry density of 95%), sides & top layer of filling shall be done with earth having total minimum compacted thickness 30 cm or as decided by Engineer -in-charge, including compacting each layer by rolling by suitable rollers / ramming and watering, all complete as per drawing and direction of Engineer -in - charge. 2,49,463 cum RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB Item no. Description of itemQuantity 4.0 Providing and laying autoclaved aerated cement blocks masonry of 100 / 150 / 200mm thickness AAC blocks in super structure above plinth level up to floor V level in 3-4 mm thick polymer mortar. a) Polymer mortar / Adhesive mortar2,034 cum 5.0 Brick work with non modular Fly Ash Lime Gypsum bricks ( FALG Bricks ) conforming to IS: 12894,class designation 10 average compressive strength in super structure above plinth level upto floor V level in : a) Cement mortar 1:6 ( 1 cement: 6 coarse sand )15,762 cum RESOURCE EFFICIENT BRICKS & FLY-ASH FILLING

CPWD, IIT ROPAR, PUNJAB THANK YOU