Pore Pressure Apparatus

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Pore Pressure Apparatus Specification

Core Components
Pressure Gauge, Valves, Metallic Chamber

Measurement Range
0-10 kg/cm

Frequency
50 Hz

Temperature Range
Room Temperature to 60C

Power Source
Manual

Automation Grade
Manual

Capacity
10 kg/cm

Accuracy
100 %

Voltage
230 V

Model No
PPA-01

Feature
Highly Efficient

Equipment Materials
Mild Steel/Brass/SS304

Type
Pore Pressure Apparatus

Usage
Laboratory

Display Type
Analog Gauge

Dimension (L*W*H)
350 x 400 x 500 mm

Weight
Approx 15 kg

About Pore Pressure Apparatus

Pore Pressure Apparatus 10kg/cm2

This apparatus is used for measuring pore water pressure and pore air pressure in soils. This is as per the principals outlined in the book measurement of soil properties in triaxial tests by A.W. BISHOP and D.J. HENKEL. This is used as an accessories for triaxial test apparatus.

Specification

The apparatus consists of a panel for wall mounting on which are fitted 1.0 to 10kg/cm sq x 0.1kg cm. sq. a pressure gauge, bourdon tube type 15 cm dia.

Manometer

Glass u-tube manometer for measuring low positive pore pressures negative pore measures 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 -50ml burette for measuring the volume change in the soil specimen. Pressure pump fitted with four sleeve packed valves, operated by means of a hand wheel on the end of the piston rod which is threaded through the pump cap and gives a smooth, fine adjustment of pressure. Copper coil and water reservoir is fitted on board with complete stand assembly. The unit is tested against leaks up to 10kg/cm sq.

Precision in Soil Testing

Designed for laboratory use, this apparatus delivers precise measurement of pore water pressure in soil samples. The hand-operated system paired with a Bourdon Tube gauge ensures 100% accuracy and real-time monitoring, vital for reliable geotechnical analysis in research and construction.

Robust and User-Friendly Design

Manufactured with high-quality materials such as mild steel, brass, and SS304, this equipment guarantees longevity. Double O-ring seals prevent leaks, and the manual knob allows simple, controlled pressure release, making daily use straightforward for lab technicians.

Versatile Applications and Low Maintenance

Suitable for use with water or non-corrosive liquids and operable up to 60C, the Pore Pressure Apparatus serves a variety of geotechnical projects. Its maintenance requirements are minimal, ensuring it remains efficient and ready for immediate use, contributing to streamlined laboratory workflows.

FAQs of Pore Pressure Apparatus:

Q: How do I operate the Pore Pressure Apparatus for soil testing applications?

A: To operate, securely fit the soil sample in your testing chamber and fill the 250 ml filling chamber with water or a non-corrosive fluid. Use the hand-operated pump to apply pressure, and monitor the readings on the analog Bourdon Tube pressure gauge. For safety and accuracy, check that seals are properly engaged and release pressure via the manual knob after testing.

Q: What are the primary benefits of using this Pore Pressure Apparatus model?

A: This apparatus provides accurate (100%) pore water pressure measurement, leak-proof double O-ring sealed operation, and compatibility with various fluids. Its robust, powder-coated or polished finish, easy manual operation, and low maintenance make it highly efficient and durable for lab environments.

Q: When should the apparatus be used during geotechnical investigations?

A: Deploy the Pore Pressure Apparatus during soil permeability tests or when determining the dissipation of excess pore water pressure in fine-grained soils. It is ideal for routine laboratory testing as required by IS: 2720 (Part-X) standard procedures.

Q: Where is this apparatus typically installed and used?

A: This bench-mounted apparatus is intended for indoor laboratory settings, commonly found in soil mechanics, civil engineering, and quality assurance labs across India, where accurate pore pressure sampling and measurement are essential.

Q: What maintenance steps are recommended for optimal apparatus performance?

A: Regularly inspect and clean the double O-ring seals, check the pressure gauge for calibration accuracy, and ensure the chamber and valves are free from residue. Routine care ensures sustained leak-proof operation and reliable results.

Q: Which fluids are compatible with the Pore Pressure Apparatus?

A: The apparatus is suitable for water and non-corrosive liquids, ensuring versatility in testing without risking damage to the pressure chamber or seals.

Q: What operational limitations should users consider regarding temperature and pressure?

A: The apparatus is engineered for a service temperature range from room temperature up to 60C and can safely measure pressures up to 10 kg/cm, as indicated on its analog gauge. Exceeding these limits may compromise accuracy or equipment longevity.

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