Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens. A non-destructive sonic method. Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens. All the Controls products ASTM C standard. Enter now!.
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This item is part of the following categories: Other systems offer an oscilloscope connection. If you like to setup a quick demo, let us know at support madcad. FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Packages EDITION to PUBLISHER. C21 test method may also be used to monitor the development of dynamic elastic modulus with increasing maturity of test specimens.
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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. When resonance occurs, the actual number is digitally displayed on the frequency counter. Click to see GrindoSonic Accessories.
No other units of measurement are included in this standard. Our large selection of inventory lets us fill your order immediately and at a completion rate that is extremely high in our industry. All other units use accelerometers which require intimate contact with the test specimen.
This apparatus closely follows design parameters set up over 40 years ago by the Portland Cement Association research laboratories. The value of the dynamic modulus of elasticity obtained by this test method will, in general, be greater than the static c2215 of elasticity obtained by using Test Method C Significance and Use This test method is intended primarily for detecting significant changes in the dynamic modulus of elasticity of laboratory or field test specimens that are undergoing exposure to weathering or other types of potentially deteriorating influences.
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Therefore, it is not advisable to compare results from specimens of different sizes or shapes. Product knowledge and commitment to customer service guarantees that your order is processed the same day you place it.
Ease of use measurement system Connection to an High Temperature oven is possible Trigger level adjustable Option: This test method is intended primarily for detecting significant changes in the dynamic modulus of elasticity of laboratory or field test specimens that are undergoing exposure to weathering or other types of potentially xstm influences.
Search Advanced Search Search Tips. Today, asfm 12, ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. Land Use and Development. Satisfaction Guaranteed – If for any reason our products do not meet your expectations, return them.
To us, complete customer satisfaction means: The actual frequency is displayed on a built-in digital counter. Electrical power is converted d215 the driver into mechanical vibrations and these vibrations are imparted to the specimen under test.
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