ASTM C1609 PDF

All the Controls products ASTM C standard. Enter now!. Request PDF on ResearchGate | Loading rate concerns in ASTM C | ASTM C remains one of the most prescribed tests for. This document describes the main differences between ASTM C and ASTM C when it comes to testing of flextural strength in fiber reinforced concrete.

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Partner software with the GenTest module provided the flexibility to adjust servo control parameters throughout the test to ensure the test ran with no f1609 under all conditions. It also requires determination of residual loads at specified deflections, and the corresponding residual strengths calculated by inserting them in the formula for modulus of rupture given in Eqn.

ASTM C Fiber-Reinforced Concrete Flexural Test Equipment

It provides for determination of specimen toughness based on the area under the load-deflection curve up to a prescribed deflection see Note 2 and the corresponding equivalent flexural strength ratio. The appropriateness of each parameter depends on the nature of the proposed application and the level of acceptable c11609 and deflection serviceability.

Home Products Search results Results for: Combining values from the two systems may result in non-conformance with the standard. The console is supplied E Deflectometer Deflection Gauge. Concrete – Flexural testing frames: Please confirm that you agree with our privacy and cookies policy to submit this form. Concrete – Control consoles for advanced aatm Universal materials testing software for static hydraulic, electromechanical and torsion testing systems – WBB.

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UNIFLEX flexural frame has been designed to satisfy the stringent requirements prescribed by the standards concerning, above all, the determination of deformability and ductility index of sprayed concrete and fiber reinforced concrete. These tests are significantly For this reason, the test extends well past the initial peak. Specimen toughness is a measure of the energy absorption capacity of the test specimen. Note 2 — Specimen toughness expressed in terms of the area under the load-deflection curve is an indication of the energy absorption capability of the particular test specimen, and its magnitude depends directly on the geometry of the test specimen and the loading configuration.

The system in fact offers step-by-step flexibility to build your testing system to cover possible future testing needs. In other cases, fibers may significantly increase the first-peak and peak strengths while affecting a relatively small increase in residual load capacity and specimen toughness at specified deflections. The standard also specifies that the test must be performed in servo control at very slow deflection rates with servo feedback from the average c16099 two deflection sensors placed on either side of the specimen.

Work Item s – proposed revisions asmt this standard. Link to Active This link will always route to the current Active version c16099 the standard. The initial crack in the specimen and the associated jump in deflection servo feedback make servo control very challenging. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Concrete, Asphalt and Rock.

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Fiber-reinforced concrete is influenced in different ways by the amount and type of fibers in the concrete. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. A standard third point flex fixture W was supplied along with custom sensors and mounting jigs to measure the average deflection.

In some cases, fibers may increase the residual load and toughness capacity at specified deflections while producing a first-peak strength equal to or only slightly greater than the flexural strength of the concrete without fibers. A specimen size different from the two preferred specimen sizes is permissible.

Flex Testing of Fiber Reinforced Concrete to ASTM C1609-10

Combining values from the two systems may result in non-conformance with the standard. High stiffness flexural frame, kN cap. Have a question about conducting the test for this standard?

The loading and specimen support system is capable of applying third-point loading to the specimen adtm eccentricity or torque. This test method may be used for comparison of mixtures, quality control, and research and development.

Active view current version of standard. By continuing to use satm site, you accept our cookie policy. Moreover, structural members of significantly different thickness experience different maximum crack widths for a given mid-span deflection with the result that fibers undergo different degrees of pull-out and extension.