UNIVERSAL PERMEABILITY AZA0877

Description

Key Capability – Dual Test Methods

Constant Head Permeability Test

• Suitable for coarse-grained soils such as sands and gravels

• Maintains a constant hydraulic head across the soil specimen

• Measures discharged water volume over time

• Permeability calculated using Darcy’s Law

Falling Head Permeability Test

• Ideal for fine-grained soils such as silts and clays

• Measures the rate of fall of water level in a standpipe

• Highly sensitive for low-permeability soils

The availability of multiple standpipes with varying diameters enables accurate testing over a broad range of permeability values.

Salient Features

• Universal apparatus for constant head and falling head tests

• Suitable for coarse-grained and fine-grained soils

• Accurate determination of coefficient of permeability

• Multiple glass standpipes for wide permeability range

• Robust and corrosion-resistant construction

• Stable laboratory mounting

• Easy assembly, operation, and maintenance

• Designed in accordance with IS 2720 (Part XVII)

• Proven Azalab quality and reliability

Applications

• Laboratory soil permeability testing

• Foundation and earthwork design

• Drainage and seepage studies

• Groundwater flow analysis

• Academic teaching and research

• Quality control in geotechnical investigations

Technical Specifications

Model Number: AZA0877
Apparatus Type: Universal Soil Permeability Apparatus
Test Methods: Constant Head and Falling Head

Permeameter Cell (Mould):

• Accommodates standard soil specimens (typically up to 100 mm diameter)

Standpipe Panel:

• Multiple glass standpipes of varying bore diameters
  (e.g., 6 mm, 10 mm, 20 mm, 25 mm, 40 mm, 50 mm, 60 mm, 70 mm, 75 mm)

Measuring Scale:

• Graduated scale for precise water level readings

Drainage Plates / Porous Stones:

• Top and bottom porous stones for controlled water flow

Tubing:

• Flexible, leak-proof tubing for water connections

Base Assembly:

• Rigid and stable base for secure mounting

Water Supply:

• Requires external constant head water supply (typically supplied separately)

Material of Construction:

• Durable, corrosion-resistant materials

Compliance:

• IS 2720 (Part XVII)

• Compatible with relevant international standards

Advantages

• Single apparatus for all soil permeability ranges

• High accuracy and repeatability

• Reduced laboratory equipment redundancy

• Long service life with minimal maintenance

• Essential equipment for professional geotechnical laboratories

Frequently Asked Questions (FAQ)

Q1: What is the AZA0877 used for?
The AZA0877 is used to determine the coefficient of soil permeability (hydraulic conductivity) in laboratory conditions.

Q2: What soils can be tested with the AZA0877?
It is suitable for sands, gravels, silts, and clays, covering both high and low permeability soils.

Q3: When should Constant Head and Falling Head tests be used?
Constant Head is used for permeable soils (sands, gravels), while Falling Head is used for low-permeability soils (silts, clays).

Q4: Which standards does the AZA0877 comply with?
It complies with IS 2720 (Part XVII) for soil permeability testing.

Q5: What is supplied with the apparatus?
Permeameter mould, standpipe panel with multiple glass tubes, measuring scale, base assembly, and connecting tubing.