Bishop Pore Pressure Apparatus
Consists of panel for wall mounting fitted with a 20cm dia pressure gauge with measuring range 1.0 to 10Kg/cmx 0.1Kg/cm² and Manometer and Burette as follows
MANOMETER: Glass U-tube manometer for measuring low positive pore pressures negative pore pressures and checking zero error of pressure gauge. It is provided with a mercury trap (Mercury supplied at extra cost ) Null indicator made out of clear transparent Perspex with mercury trap and cursor to indicate the mercury level.
BURETTE: 50 ml Burette for measuring the volume change in the soil specimen. Pressure pump fitted with four sleeve packed valve, Operated by means of a hand wheel on the end of the piston rod which is threaded thru the pump cap and gives a smooth, fine adjustment of pressure copper coil and water reservoir. The unit is tested against leaks up to10Kg/cm²