CALIFORNIA BEARING RATIO (CBR) LABORATORY TEST SYSTEMS

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CALIFORNIA BEARING RATIO (CBR) LABORATORY TEST SYSTEMS

ASTM D1883; AASHTO T 193

The California Bearing Ratio (CBR) test yields relative strength of laboratorycompacted or in–situ soils and base course materials. This laboratory test is based on penetration resistance of a soil to a standard-sized pistonN Karol-Warner Pro-Loader Load Frames are ideal for Laboratory CBR testing, and a quick change of test components converts them to perform other soil testing applications. Pro-Loader frames feature 10,000lbf (44.5kN) capacity with 11.9x37.3in (302x947mm) WxH frame openings. 3/4hp DC motors and controllers precisely regulate strain rates to ±1% of set point, and the frames have sturdy 14-gauge painted steel enclosures. Adjusting nuts on the 1.25in (32mm) coarse-threaded vertical rods allow technicians to quickly change the horizontal cross-head height. Platen Diameter is 8in (203mm). Units operate on 115V/60Hz power supplies. Rolling Cart for Pro Loader Frames is sturdy steel and makes positioning of Load frames easy. Add "F" suffix to model numbers to order units operating on 230V/50Hz. Product Dimensions: 18x29x54.5in (457x737x1,384mm) WxDxH.

CALIFORNIA BEARING RATIO (CBR) LABORATORY TEST SYSTEMS

CLICK HERE : CBR TEST CATALOG

HM-397 Pro-Loader Load Frame has a wider range of strain rates. The microstepping drive controller also allows more precise control of loading rates. Strain Rate is 0.0001—0.3in/min (0.00254—7.62mm/min).

HM-397B Pro-Loader Load Frame has the greatest strain rate sensitivity of any of our 10,000lbf (44.5kN) load frames. It can be used for the full range of soils laboratory applications and is ideal for ASTM D4767 consolidated/undrained triaxial tests on sensitive soils. The HM-397B features a strain rate range from 0.00001 to 0.29999in/min (0.000254 to 7.62mm/min).

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Standard Method :

EN 13286-47 | EN 13286-4 | ASTM D1883 | AASHTO T193 | CNR UNI 10009 | UNE 103-502 | NF P94-078, P94-093, P98-231-1 | BS 1377:4, 1924:2

This method has been developed by the California State Highway Department, and is now accepted by almost all the International Standards in force. The test is aimed to the evaluation of the bearing capacity of soil for flexible pavement design in road construction. The compaction test

can be performed both with the manual rammers and the automatic compactor mod. S199


DESCRIPTION

STANDARD

CALIFORNIA BEARING RATIO

ASTM D1883

EN 13286-47

NF P94-078

BS 1377;4

Ordering info

CNR UNI 1009

NF P94-093

BS 1924:2

UNE 103-502

NFP98-231-1

AASHTO T193

CBR mould complete with collar and perforated base:

S200-01N

Ø 6” (152.4 mm) x 7” (177.8 mm) height

Ø. 150 mm x 120 mm height

S203

Ø 152 mm x 152 mm height

S201

Ø 152 mm x 127 mm height, threaded ends

S202N

Split CBR mould with collar and peforated base:

Ø 6” (152.4 mm) x 7” (177.8 mm) height

S200-13N

Ø 150 mm x 120 mm height

S203-01

Ø 152 mm x 152 mm height

S201-01

Solid base plate for CBR mould

S200-12N

S194-15

S202-03

S202-03N

Perforated base plate for CBR mould

S200-10N

S194-14

S202-10

S202-10N

“C” Spanner, to tighten/loosen the collar, body and base.

S202-04

Two required

Filter screen, stainless steel Ø 149 mm

mesh 0.150 mm (ASTM n° 100)

S200-02

S200-02

S200-02

S200-02

Spacer disc with “T” handle:

Ø 5 15/16” (150.8 mm) x 2.416” (61.4 mm) height

S200-03

Ø 149.5 mm x 36 mm height S194-21

S194-21

Ø 151 mm x 25.4 mm height

S201-02

Ø 151 mm x 36 mm height

S201-06

Ø 150 mm x 50 mm height

S202-07

Perforated (sweel) plate with adjustable stem

S200-04

S194-23

S200-04

S200-04

Plein swell plate

S194-24

Tripod (dial gauge support)

S200-05

S194-26

S200-05

S200-05

Dial gauge10 mm range, 0.01 mm subd.

S376

S376

Dial gauge 25 mm range, 0.01 mm subd.

S377

S377

Annular surcharge weight 2270 g

S200-07

Annular surcharge weight 2300 g

S200-07

Annular surcharge weight 2000 g

S202-08

S202-08

Slotted surcharge weight 2270 g

S200-08

Split surcharge weight 2300 g

S201-04

Split surcharge weight 2000 g

S202-09

S202-09

Cutting edge

S200-09

S200-09

S200-09

Compaction rammer:

Ø 50.8 mm fall height 457.2 mm, weight 4.54 kg.

S188

Ø 50 mm fall height 457.2 mm, weight 4.54 kg.

S188-01

S188-01

S188-01

Straight edge 300x30x3 mm

S200-11

S200-11

S200-11

S200-11

Straight edge, cutting rim, 300x30x3 mm

S200-06

S200-06

S200-06

S200-06

Filter paper Ø 150 mm (pack of 100)

S200-14

S200-14

S200-14

S200-14

Soaking tank 600x400x400 mm

S201-05

S201-05

S201-05

S201-05

Universal extruder (see p. 470)

S114

S114

S114

S114


CALIFORNIA BEARING RATIO (CBR) LABORATORY TEST SYSTEMS

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