PRESSUREMETER Model G-AM II

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PRESSUREMETER TEST RESULTS
An in-situ stress-strain curve is obtained by plotting the in-
jected volume against pressure.
The limit pressure PL is the pressure at which failure occurs,
and it reflects directly the bearing capacity:

Qa = ( C/ F) × PL
where: Qa = Allowable bearing capacity
SPECIFICATIONS
C = Shape factor
CONTROL UNIT F = Safety factor
Pressure gauge accuracy ± 1% F.S.
The modulus of deformation E used to calculate settlement
Volume scale resolution ± 0.1 cc ( by-pass)
is given by:
± 5 cc ( normal)
Max. working pressure 10 000 kPa E = ( 1 + ½ ) 2V( � P/ � V)
Pressure supply Compressed nitrogen
where: ½ = Poisson’ s ratio
PROBE
V = Cavity volume at the middle
Diameter 44 mm 58 mm 70 mm
of the elastic zone
( AX) ( BX) ( NX)
Length 84 cm 70 cm 70 cm
� P/ � V = Pressure variation dependent
Weight 4.5 kg 4.3 kg 6.4 kg on volume variation
instrumentasi-sipil
Contact Person: FIkri( 0812 800 69 024, 0813 9929 1909, 0817 6700 726, 0815 1963 9621, 0815 614 1954)
Address: Jl. Pahlawan Revolusi No 22B
Tel.+ 62-21-8611 259, 8611 131, 8611 212, 8611 444, 8611 449
Fax: + 62-21-8611 207.
EMAIL: instrumentasi.sipil@ gmail.com

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