Sunday, August 11, 2013

10210 LABORATORY CBR TEST



ASTM D.1883 & AASHTO T.193


The California Bearing Ratio or CBR test as it is usually termed is an empirical test which was first developed in California USA, for estimating the bearing value of highway sub base and sub grade, hence its name. the test follows a standarised procedure and there is little different between BS and ASTM test.


Specification :
10210.1    Mechanical Loading            Steel frame, hand operated, two
                 Pressure                             speeds 10.000 lbs cap, supplied
                                                             with dial                                                  1   set
10210.2    CBR Mold                              Machined steel 6’’ i.d 7’’height
                                                               2’’ height of collar                                  3   pcs
10210.3     Spacer Dish                       Machined steel 5 – 15/16’’dia,
                                                             2.416’’height                                              1   pc
10210.4    Cutting Edge                         Machine steel , Sharp edge                      1   pc
10220.5    Circular Surcharge Weight  Machine steel , 5 – 7/8’’ dia,
                                                             5 lbs weight                                               3   pcs
10210.6    Slotted Surcharge Weight   Machine steel , 5 – 7/8’’ dia,
                                                             5 lbs weight                                               3   pcs
10210.7    Modified proctor hammer    Machine steel , 18’’ drop height
                                                            10 lbs weight                                              1   pc
50001/6    Proving Ring                        6000 lbs capacity                                      1   set
50014.4    Square Pan                         Galvanized steel 65 x 65 x 7.5 cm            1   pc
50017/1    Tin Box                                Alumunium, 60 gr capacity                        12 pcs
50018/6    Graduated Cylinder              1000 ml capacity                                      1   pc
50047/2    Scoop                                   Cast Aluminium                                        1   pc
50051/1    Trowel                                  Pointed type                                            1   pc
50053/1    Straight Edge                        300 mm  length                                        1   pc
 

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