ASTM D5494 Compliant Vertical Penetration Test System

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The geosynthetic material vertical permeability tester is a horizontal constant-head testing instrument designed and manufactured according to the requirements of the newly published "Test Procedures for Geosynthetic Materials in Highway Engineering (JTG E50-2006)" by the Ministry of Transport. It is suitable for testing the vertical permeability performance of various permeable geotextiles and composite geotextiles under constant head conditions.

Application

Used to determine the vertical permeability of geotextile and its related products under constant water head method. The water head of the instrument can be adjusted (0-300mm)， and can maintain a stable water head, the instrument is designed to reduce the loss of water head, using a box structure.

Standard

ISO 11058:Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load

ASTM D4491:Standard Test Methods for Water Permeability of Geotextiles by Permittivity

GB/T 15789-2016:Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load

SL/T 235-2012:Specification for Test and Measurement of Geosynthetics

Features

Transparent design, easy to observe the test process;

Box structure, small head loss during testing:

The overflow lifting structure is used, which is easy to adjust the water head, and the water head is stable during testing.

Equipped with frequency conversion speed regulation flow system to ensure stable water head, and the maximum water head up to 300mm;

The use of plexiglass water tank can directly observe the test process of the sample;

The metering water tank has a scale line, which can directly observe the permeability of the sample and eliminate the steps and errors of the measuring cylinder.

Equipped with circulating water tank, water can be recycled to avoid the problem of large water consumption, energy saving and environmental protection;

Equipped with water recycling system, and frequency conversion speed regulation flow system;

The sample holder with two diameters of 52.100 mm avoids sample dispersion and is comparable with other early instruments.

Test program can be set, automatic test detection (DW1320S);

Test data can be calculated and saved by itself, historical data can be queried and exported, and multiple test results can be compared (DW1320S)。

Parameters

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