Permeability Apparatus For Constant And Variable Head Test

Compliance Standards

IS : 2720 (Part 17)-1986, IS : 11209-1985, IS : 9198

Purpose

To study the permeability characteristics of all type of soil samples (For both Re‑molded as well as undisturbed specimen) under different conditions of Laboratory as well as in the field.

Set up consists of following parts and accessories

• Gunmetal mould 100mm dia x 127.3mm height x 1000ml volume, with collar of 100mm dia X 60mm high (as per IS:11209 ‑ 1985)
• Drainage base plate
• Drainage cap
• Metallic clamping ring
• Two porous stone for base and cap
• Dummy plate
• Air release valve
• Rubber tube of 3 meter length
• Pinch cock for rubber tube
• Over head tank made of G.I. sheet with six outlet at bottom and  inlet port on top (For constant head test)
• With a set of three glass stand pipes approximately  6mm,  10mm and  20mm diameter x 1 meter length mounted on a wooden board
• The end of the glass tube is serrated to connect rubber tube of 3 meter length with pinch cock.
• Compaction device