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California Bearing Value (CBR) Apparatus

California Bearing Value (CBR) Apparatus
California Bearing Value (CBR) Apparatus
Product Code : 51
Product Description

 

 California Bearing Value (CBR) Apparatus

  • Lab. C.B.R. App. IS:2720 (P-XVI), IS:9669. BS:1377,1924,ASTMD1883,AASHTOT193
  • The CBR Test is used for determining the relative bearing ratio and expansion characteristics under known surcharge weights of base, sub-base and sub grade soils for the design of Roads, pavements, & Runways.
  • Tests can be conducted on all types of soils including sand ,gravel & washed stone (passing through 20 mm IS Sieve).
  • The CBR test is used extensively in selection of materials and control of subgrades.
  • The procedure consists of loading soil with a circular piston, 50 mm dia face and maintaining a penetration rate of 1.25 mm/min strain.
  • The load is noted and the results of test on natural or recompacted soils, in soaked and un soaked conditions , can be compared with standard test results. CBR App. Consists of the following:-
  • C.B.R. Apparatus, motorized-cum-hand 50 KN cap. with 1.25 mm/min rate of strain. Operation on 230 V, single phase, A.C. 50 Hz., A.C.
  • Accessories:
  • C.B.R. Mould, 150 mm dia x 175 mm high with extension collar and perforated base plate.
  • Penetration Piston, face dia 50 mm with adjustable bracket.
  • Displacer block (Spacer Disc) 148mm dia x 47.7mm high with detachable handle.
  • Perforated Swell plate, 148mm dia with adjustable stem and lock nut-Gunmetal/Brass.
  • Annular metal weight, 2.5kg. 147 mm dia with 53 dia central hole
  • Slotted metal weight, 2.5 kg. 147 mm dia with 53 mm dia slot.
  • Metal tripod stand for dial gauge.
  • Cutting collar.
  • Rammer, 2. 6kg weight with a drop of 310 mm. j. Rammer, 4.89kg weight with a drop of450 mm k. High sensitivity Proving Ring, 20 KN cap. fitted with 0.002 mm dial gauge with calibration certificate in nice teak wooden case. 1. Dial gauge 0.01 mm x 25 mm travel.
  • Accessories:
  • m. Annular metal wt. 5kg., 147mm dia. with 53
  • dia central hole, n. Slotted metal wt. 5kg., 147 mm dia. with 53 mm
  • dia slot.
  • C.B.R. Mould as per B.S. with Accessories.



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ASSOCIATED SCIENTIFIC AND ENGINEERING WORKS
( An ISO 9001 : 2000 Certified Company )
6, Rani Jhansi Road, Motia Khan, New Delhi - 110055, India
Mr. Jatin Arora (Director)
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