ASTM C882 PDF

Togul Print and complete the following order form. This disparity in strengths can be expected to influence the failure astm c and the bond strength determined in the composite cylinder. Pattnaik It is apparent from observing the data that depending on the specific repair material, significant difference exists between the properties of the repair material and the substrate at astm c given age. Evaluation of test methods for measuring the bond ashm of portland cement based repair material to concrete, Cement, Concrete and Aggregate 1 1 pp.

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More C The test method covers bonding hardened concrete to hardened or freshly-mixed concrete. The bond strength is determined by using the epoxy system to bond together two equal sections of Portland-cement mortar cylinder.

After suitable curing of the bonding agent, the test is performed by determining the compressive strength of the composite cylinder. Apparatus to mix Portland-cement mortar shall be as described, except for the sections on specimen molds, tamper, and testing machine. The molds shall be constructed in the form of right cylinders. A dummy section shall be machined of a hard material that is not attacked by Portland-cement mortar. The testing machine shall be as described. Laboratory conditions, materials, proportions, and procedures for mixing the Portland-cement mortar shall be tested to meet the requirements specified.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Significance and Use 5. Scope 1. This test method covers bonding hardened concrete to hardened or freshly-mixed concrete. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 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.

A specific hazard statement is given in Section 8. Warning —Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to exposed skin and tissue upon prolonged exposure.

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