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It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Soil mechanics – Static triaxial systems: After the density has been determined, the unit weight is calculated in SI or inch-pound units, or both. Soil mechanics – Dynamic triaxial systems: This shear strength may be applied to field conditions where full drainage can r4767 drained conditions or where pore pressures induced by loading can be estimated, and the field stress conditions are similar to those in the test method.

ASTM D, Test equipment Controls

Data are automatically transferred to the D477 in real time for live plotting and monitoring of the tests in progress.

Density is mass per unit volume whereas unit weight is force per unit volume.

The design of the cell ensure vertical alignement of the cell ram by clamping the Perspex wall separately from Introduced by the company over 50 years ago, they have undergone continuous development and are the ideal solution for advanced and research laboratories that want to perform high The precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used.


In this system, the pound lbf represents a unit of force weightwhile the unit for mass is slugs.

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Home Products Search results Results for: Reliable testing depends on several factors; Practice D provides a means of evaluating some of those factors. Reporting of test results in units other than SI shall not be regarded as nonconformance with this test method.

It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. Triaxial cells for advanced applications The cell essentially consists of a trasparent banded chamber to prevent excessive expansion during the test and to protect against explosive failure when used with compressed air systems.

Soil mechanics – Triaxial Cells: Link to Active This link will always route to the current Active version of the standard. Data acquisition can be shared with other soil testing equipment. A typical Standard triaxial system with analogue measurements includes: Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Agencies which meet the criteria of Practice D are generally considered capable of competent testing.

In this test method, the shear characteristics are measured under undrained conditions and is applicable to field conditions where soils that have been fully consolidated under one set of stresses are subjected to a change in stress without time for further consolidation to take place undrained conditionand the field stress conditions are similar to those in the test method.

ASTM D4767

This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. Follow us YouTube LinkedIn.


The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies or any consideration of end use.

A typical standard triaxial system with external data acquisition system includes: Note 1—If the strength is required for the case where the soil is not consolidated during testing prior to shear, refer to Test Method D or Test Method D TRITECH original high-performance load frames for triaxial tests, ideal solution for advanced and research laboratories to perform high quality tests at. Standard triaxial cells and accessories The cell essentially consists of a transparent polycarbonate chamber which has a piston assembly fit to the top and a double flange base fit to the bottom.

ASTM D Standard

Standard triaxial system with built-in digital data acquisition Standard triaxial System with built-in data acquisition is the ideal compact solution sstm performing standard triaxial tests such as effective and total stress. Template for data processing and reporting: The inch-pound units given in parentheses sstm mathematical conversions which are provided for information purposes only and are not considered standard.

Iva Company info Privacy policy Generally, three specimens are tested at different effective consolidation stresses to define a strength envelope. If Hydromatic standalone pressure unit is selected, a separate volume change device is not required. It is beyond the scope of this test method to consider significant digits used in analysis methods for engineering design. Historical Version s – view previous versions of standard.