Field CBR Equipment .
The equipment consist of the following replaceable parts :
• Loading Jack with U-bracket, capacity 50 kN. This is specially designed for use with Field CBR test apparatus. It consists of a hand operated, two speed, screw jack fitted with a U-bracket. A hexagonal adapter is provided to fix a proving ring. A thrust bar, which passes through the U-bracket, is screwed on to a proving ring (supplied at extra cost) which protects the proving ring when the loading is eccentric,
• Swivel Head for the Loading Jack,
• Penetration Piston 50 mm dia threaded at the upper end, to connect to the various lengths of extension sleeves, through a connector.
• Extension Set consisting of 1 length of 5 cm, 2 lengths of 10 cm, 1 length of 30 cm, 1 length of 50 cm and One length of 100 cm used as spacers between the proving ring and penetration piston. The lengths aremachined from steel tubing.
• Connector Set consists of eight connectors for coupling the penetration piston and proving ring assembly, either directly or through extension pieces., AEX 15506 Datum Bar Assembly consisting of two stands and 1 m long Bar.
• Adjustable Bracket for mounting the Dial Gauge.
• Annular Metal Weight5 kg, 250 mm dia with 53 mm dia central hole.
• Slotted Metal Weight 5 kg, 215 mm to 250 mm dia with 53 mm dia slot-2 Nos.
• Slotted Metal Weight 10 kg, 215 mm to 250 mm dia with 53 mm dia slot-2 Nos.