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ASTM D 6760 : 2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Integrity Testing of Concrete Deep Foundations by Ultrasonic Crosshole Testing
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-10-2002

1.1 This test method covers procedures for checking the homogeneity and integrity of concrete in a deep foundation such as bored piles, drilled shafts, concrete piles or augercast piles. This method can also be extended to diaphragm walls, barrettes, dams etc. The test measures the propagation time and relative energy of an ultrasonic pulse between parallel access ducts installed in the pile or structure. This method is most applicable when performed between tubes that are installed during pile construction.

1.2 Similar techniques with different excitation sources or single access ducts, or both, exist, but these techniques are outside the scope of this test method.

1.3 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

1.3.1 The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which data can be applied in design or other uses, or both. How one applies the results obtained using this standard is beyond its scope.

1.4 LimitationsProper installation of the access ducts is essential for effective testing and interpretation. The method does not give the exact type of defect (for example, inclusion, honeycombing, lack of cement particles, etc.) but rather only that a defect exists. The method is limited primarily to testing the concrete between the access ducts and thus gives little information about the concrete outside the reinforcement cage to which the access ducts are attached when the tubes are attached to the inside of the reinforcement cage.

1.5 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 determine the applicability of regulatory limitations prior to use.

Committee
D 18
DocumentType
Test Method
Pages
6
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 3689/D3689M : 2007 : R2013 : EDT 1 Standard Test Methods for Deep Foundations Under Static Axial Tensile Load
ASTM D 1143/D1143M : 2007 : R2013 : EDT 1 Standard Test Methods for Deep Foundations Under Static Axial Compressive Load
ASTM D 7383 : 2019 Standard Test Methods for Axial Rapid Load (Compressive Force Pulse) Testing of Deep Foundations
ASTM D 8232 : 2018 Standard Test Procedures for Measuring the Inclination of Deep Foundations
ASTM D 5882 : 2016 Standard Test Method for Low Strain Impact Integrity Testing of Deep Foundations
ASTM D 3966/D3966M : 2007 : R2013 : EDT 1 Standard Test Methods for Deep Foundations Under Lateral Load
ASTM D 8169/D8169M : 2018 Standard Test Methods for Deep Foundations Under Bi-Directional Static Axial Compressive Load

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US$75.00
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