An Evaluation of Equipment and Procedures for Tensile Bond Testing of Concrete Repairs
An Evaluation of Equipment and Procedures for Tensile Bond Testing of Concrete Repairs

Author: Alexander M. Vaysburd

Publisher:

Published: 1999

Total Pages: 88

ISBN-13:

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If the durability of repaired concrete structures is a primary objective of any repair project, then every effort should be made to ensure adequate bonding between the repair and the existing concrete substrate. A total of 257 partial-depth cores in 77 experimental repairs were tested in Florida, Illinois, and Arizona in order to evaluate the effect of material properties and environmental conditions on the bond between repair and concrete substrate. Three pull-off testing devices were used to determine the bond strengths for each of the experimental repairs. In addition, the testing devices themselves were evaluated by analyzing the magnitude and relative precision of the pull-off strengths, modes of failure, and ease of use in an effort to identify a reliable and practical device for determining in situ tensile bond. The optimum depth of core drilling into the existing substrate was determined by comparing theoretical finite element analysis of failure zone stress distribution with measured test results.

Durability of Building Materials and Components 7
Durability of Building Materials and Components 7

Author: Christer Sjostrom

Publisher: Routledge

Published: 2004-01-14

Total Pages: 690

ISBN-13: 1135818738

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These books contain articles on R&D into the major aspects of durability and service life prediction of building materials and components, as well as theoretical aspects of methods and modelling of prediction, description of degradation environment by use GIS, as practical implementation of knowledge on durability in maintenance procedures and in standardisation and regulations.

Durability of Building Materials & Components 7 vol.2
Durability of Building Materials & Components 7 vol.2

Author: Christer Sjostrom

Publisher: Routledge

Published: 2014-02-24

Total Pages: 685

ISBN-13: 1136746331

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First Published in 2004. In the process of harmonising the wide-ranging interests in this field, the series of international conferences Durability of Building Materials and Components, of which this is the seventh, has played a decisive role by bridging between different material and product areas and by giving researchers and practitioners an opportunity to meet every third year to discuss the latest R&D achievements. This conference covers a number of themes ranging from theoretical aspects of service life prediction to the practical implementation of knowledge on durability of building products in standards. This collection is the proceedings and will serve as a valuable reference to all interested in the wide and stimulating area of durability and service life prediction in building and construction. This is Volume Two on Testing, Design and Standardisation.