ASTM D2412 PDF

Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading. Theory: ASTM D is used to determine. ASTM D(). Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading. ASTM D External Loading of Plastic Pipe. Uploaded by Hussein Beqai. This test method covers the determination of loaddeflection characteristics of.

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Care must be taken to account for the mid-section of the pipe which will expand slightly as the pipe is compressed. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

ASTM D – Plastic Pipe Compression Test

Calculations for ASTM D include percentage load deflection, pipe stiffness, and the stiffness factor. This is a function of the pipe dimensions and the physical properties of the satm of which the pipe is made.

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These details are included in the product standards, for example, Specification F These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the asrm method. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Link to Active This link will always route to the current Active version of the standard. ASTM D is used to determine pipe stiffness and to characterize the material behavior of plastics in pipe form.

Load measurements ast, taken at constant intervals. Historical Version s – view previous versions of standard. Pipes tested under ASTM D must be smaller than the envelope of the two compression platens by at least a half an inch. Compression platens are used for D While this test method can be used in measuring the pipe stiffness of corrugated plastic pipe or tubing, special conditions and procedures are used.

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A spherically seated compression platen can be used in order to normalize the vector of compression. The platen has a spherically seated joint that wobbles slightly and lines up the load force on the pipe specimen.

Square or circular platens can be used, with most customers choosing a square platen. Referenced Documents purchase separately The documents listed below are referenced within the subject standard atm are not provided as part of the standard.

A compression cage can be use for tension only testing machines in order to convert the tensile force into a compressive force. The pipe is compressed between two platens in order to gather load-deflection data.