Pore water pressure in model testing - · PDF file76 Pore water pressure in model testing...
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76 Pore water pressure in model testing Civil engineering design Civil engineering design KPE-PB Small Pore Pressure Gauge KW-C Water Level Transducer Level of water in dam, river and under-ground water Filter φ10 13.5 120 100 φ30 Input/Output cable Not affected by the change of atmospheric pressure Made of stainless steel with excellent corrosion resistance Easy handling and stable measurement The KW-C is a hydraulic water level transducer that measures the level of water in dams and rivers and the level of under-ground water in ground in landslide areas. Effects of changes in atmospheric pressure do not need to be compensated, so high- accuracy measurement can be made. Protection ratings: IP68 equivalent Small, lightweight Easy handling Dual structure not affected by the outer lateral pressure Replaceable filter A small soil pressure gauge to measure pore water pressure in model testing. The dual construction not affected by lateral pressure offers accurate measurement. Protection ratings: IP68 equivalent Input/Output cable TYPE KPE-200KPB KPE-500KPB KPE-1MPB KPE-2MPB Capacity 200kPa 500kPa 1MPa 2MPa Rated output Approx.1mV/V (2000x10 -6 strain) Non-linearity 1%RO Filter mesh 40µm(*) Allowable temperature range 0 ~ +60°C (No icing) Input/Output resistance 350Ω Recommended exciting voltage 2V or less Allowable exciting voltage 5V Weight Approx. 4.5 g Input/Output cable : φ 1.7mm 0.035mm 2 4-core shielded vinyl cable 2m * : Filter mesh with 70µm available on request TYPE KW-10C KW-20C KW-30C KW-50C Capacity 10m 20m 30m 50m Rated output 1mV/V (2000x10 -6 strain) Non-linearity 0.2%RO 0.3%RO Temperature effect on zero 0.03%RO/°C Compensated temperature range 0 ~ +50°C (No icing) Allowable temperature range -20 ~ +60°C (No icing) Input/Output resistance 350Ω Recommended exciting voltage 3V or less Allowable exciting voltage 10V Weight 700 g 200g ■ SPECIFICATIONS ■ SPECIFICATIONS Input/Output cable Suspension crew 2-M5DP4 Suspension crew 2-M5DP4 φ42 KW-10C KW-10C KW-20C ~ -50C KW-20C ~ -50C Input/Output cable : KW-10C φ11.5mm 0.5mm 2 4-core shielded vinyl cable with air-vent tube 13m KW-20C φ11.5mm 0.5mm 2 4-core shielded vinyl cable with air-vent tube 23m KW-30C φ11.5mm 0.5mm 2 4-core shielded vinyl cable with air-vent tube 33m KW-50C φ11.5mm 0.5mm 2 4-core shielded vinyl cable with air-vent tube 53m
Transcript of Pore water pressure in model testing - · PDF file76 Pore water pressure in model testing...
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Pore water pressure in model testing Civil engineering design
Civil engineering design
KPE-PB Small Pore Pressure Gauge
KW-C Water Level Transducer
Level of water in dam, river and under-ground water
Filter
φ10
13.5
120
100
φ30
Input/Outputcable
Not affected by the change of atmospheric pressureMade of stainless steel with excellent corrosion resistanceEasy handling and stable measurement
The KW-C is a hydraulic water level transducer that measures the level of water in dams and rivers and the level of under-ground water in ground in landslide areas. Ef fects of changes in atmospheric pressure do not need to be compensated, so high-accuracy measurement can be made.Protection ratings: IP68 equivalent
Small, lightweightEasy handlingDual structure not affected by the outer lateral pressureReplaceable filter
A small soil pressure gauge to measure pore water pressure in model testing. The dual construction not affected by lateral pressure offers accurate measurement.Protection ratings: IP68 equivalent
Input/Outputcable
TYPE KPE-200KPB KPE-500KPB KPE-1MPB KPE-2MPBCapacity 200kPa 500kPa 1MPa 2MPaRated output Approx.1mV/V (2000x10-6 strain)Non-linearity 1%ROFilter mesh 40µm(*)Allowable temperature range 0 ~ +60°C (No icing)Input/Output resistance 350ΩRecommended exciting voltage 2V or lessAllowable exciting voltage 5VWeight Approx. 4.5 gInput/Output cable : φ 1.7mm 0.035mm2 4-core shielded vinyl cable 2m * : Filter mesh with 70µm available on request
TYPE KW-10C KW-20C KW-30C KW-50CCapacity 10m 20m 30m 50mRated output 1mV/V (2000x10-6 strain)Non-linearity 0.2%RO 0.3%ROTemperature effect on zero 0.03%RO/°CCompensated temperature range 0 ~ +50°C (No icing)Allowable temperature range -20 ~ +60°C (No icing)Input/Output resistance 350ΩRecommended exciting voltage 3V or lessAllowable exciting voltage 10VWeight 700 g 200g
■ SPECIFICATIONS
■ SPECIFICATIONS
Input/Outputcable
Suspension crew 2-M5DP4
Suspension crew 2-M5DP4
φ42
KW-10C
KW-10C
KW-20C ~ -50C
KW-20C ~ -50C
Input/Output cable :KW-10C φ11.5mm 0.5mm2 4-core shielded vinyl cable with air-vent tube 13mKW-20C φ11.5mm 0.5mm2 4-core shielded vinyl cable with air-vent tube 23mKW-30C φ11.5mm 0.5mm2 4-core shielded vinyl cable with air-vent tube 33mKW-50C φ11.5mm 0.5mm2 4-core shielded vinyl cable with air-vent tube 53m
