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A Laboratory and Field Evaluation of Required Material Properties for Concrete Repairs

A Laboratory and Field Evaluation of Required Material Properties for Concrete Repairs PDF Author: Daniel W. Traub
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 102

Book Description


A Laboratory and Field Evaluation of Required Material Properties for Concrete Repairs

A Laboratory and Field Evaluation of Required Material Properties for Concrete Repairs PDF Author: Daniel W. Traub
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 102

Book Description


Engineering and Design

Engineering and Design PDF Author: Us Army Corps Of Engineers
Publisher: Military Bookshop
ISBN: 9781780397603
Category : Technology & Engineering
Languages : en
Pages : 192

Book Description
This manual provides guidance on evaluating the condition of the concrete in a structure, relating the condition of the concrete to the underlying cause or causes of that condition, selecting an appropriate repair material and method for any deficiency found, and using the selected materials and methods to repair or rehabilitate the structure. Guidance is also included on maintenance of concrete and on preparation of concrete investigation reports for repair and rehabilitation projects. Considerations for certain specialized types of rehabilitation projects are also given.

Performance Criteria for Concrete Repair Materials

Performance Criteria for Concrete Repair Materials PDF Author:
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 76

Book Description


Publications of the National Institute of Standards and Technology ... Catalog

Publications of the National Institute of Standards and Technology ... Catalog PDF Author: National Institute of Standards and Technology (U.S.)
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 464

Book Description


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 PDF Author: Alexander M. Vaysburd
Publisher:
ISBN:
Category : Binders (Materials)
Languages : en
Pages : 88

Book Description
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.

Performance Criteria for Concrete Repair Materials

Performance Criteria for Concrete Repair Materials PDF Author: Randall W. Poston
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 310

Book Description
The study reported herein is part of an overall investigation to develop performance criteria for cement-based repair materials. In Phase I of the study, preliminary criteria for dimensionally compatible repair materials were developed based on a review of the literature. This review concentrated on identifying pertinent material properties, appropriate test methods, and demonstrated field performance. Laboratory and field tests to evaluate the preliminary performance criteria were conducted in Phase II of the project Twelve candidate repair materials were selected for the experimental portion of the project Bach material was subjected to a series of standard and nonstandard laboratory tests to determine properties which were perceived to be of interest in a repair context and to provide some basic information about their behavior. These tests included: (a) unrestrained and restrained drying shrinkage, (b) modulus of elasticity, (c) tensile and compressive creep, (d) coefficient of thermal expansion, and (e) flexural, compressive, and direct tensile strengths. Concurrent field tests were also conducted to evaluate material durability. Results of the laboratory investigation are described herein. Results of laboratory and field performance tests will be correlated (Phase III) to provide a basis for development of performance criteria for cement-based materials that will provide durable concrete repairs.

Materials and Procedures for the Repair of Spalls in Concrete

Materials and Procedures for the Repair of Spalls in Concrete PDF Author: Robert F. Kemphues
Publisher:
ISBN:
Category : Concrete construction
Languages : en
Pages : 38

Book Description


NBS Special Publication

NBS Special Publication PDF Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 416

Book Description


Publications

Publications PDF Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 788

Book Description


Durability of Building Materials and Components 7

Durability of Building Materials and Components 7 PDF Author: Christer Sjostrom
Publisher: Routledge
ISBN: 1135818746
Category : Architecture
Languages : en
Pages : 677

Book Description
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.