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ASTM-C1581:2009 Edition

ASTM-C1581:2009 Edition

$40.63

C1581/C1581M-09 Standard Test Method for Determining Age at Cracking and Induced Tensile Stress Characteristics of Mortar and Concrete under Restrained Shrinkage

Published By Publication Date Number of Pages
ASTM 2009 7
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1.1 This test method covers the laboratory determination of the age at cracking and induced tensile stress characteristics of mortar or concrete specimens under restrained shrinkage. The procedure can be used to determine the effects of variations in the proportions and material properties of mortar or concrete on cracking due to both drying shrinkage and deformations caused by autogenous shrinkage and heat of hydration.

1.2 This test method is not intended for expansive materials.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use. ( Warning Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. )

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Summary of Test Method
Significance and Use
2 Apparatus
Materials and Mixing
Properties of Fresh Mixtures
Specimen Fabrication and Test Setup
3 FIG. 1
4 Measurement Procedure
Calculation
FIG. 2
5 Report
Precision and Bias
Keywords
6 X1. Interpretation of Results
X1.1 Net Time-to-cracking, tcr
X1.2 Potential for cracking
REFERENCES
TABLE X1.1

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