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International Concrete Abstracts Portal

The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.

Showing 1-5 of 17 Abstracts search results

Document: 

SP104

Date: 

October 1, 1987

Author(s):

Editor: Grant T. Halvorsen

Publication:

Symposium Papers

Volume:

104

Abstract:

SP-104 This ACI volume provides engineers, contractors, and architects insight into the problems and solutions associated with high quality concrete construction. The infrastructure can not be built too well, and what little extra it may take to build in that extra assured quality is an investment of high return. Quality is often talked about--but follow through is often lacking. Concrete and Concrete Construction, a collection of 16 papers, explores in detail the various steps involved in assuring the best possible results. Topics covered include: improving concrete quality with silica fume, design for strength variability, how to obtain quality concrete, under water concreting, curing of concrete, effects of construction practice on concrete-steel bond, and consolidation of concrete. In addition, subjects such as controlling concrete during hot and cold weather, and code requirements for crack control are covered extensively.

DOI:

10.14359/14138

Document: 

SP104-16

Date: 

October 1, 1987

Author(s):

Richard F. Stratfull

Publication:

Symposium Papers

Volume:

104

Abstract:

The results of approximately 30 years of pioneering efforts in the design, installation, and maintenance of cathodic protection to reinforced concrete bridge structures are reported. Some of the more important elements in testing and reasons for the perfo

DOI:

10.14359/1669

Document: 

SP104-05

Date: 

October 1, 1987

Author(s):

C. Vipulanandan and N. Dharmarajan

Publication:

Symposium Papers

Volume:

104

Abstract:

The influence of a silane coupling agent on the mechanical properties of polyester polymer concrete with and without glass fiber reinforcement has been investigated. The silane was incorporated into the polymer concrete systems either by pretreating the aggregates and fibers or by directly adding it into the resin (integral addition method). The flexural properties of polyester polymer and polymer concrete were studied in four-point bending (third point loading) at room temperature. The results indicate that the silane treated aggregate systems increase in flexural strength by more than 50 percent when compared to the untreated systems. The increase in strength is also dependent on the amount of polymer in the polymer concrete. At equivalent loading levels of silane, superior flexural properties were obtained with the pretreatment method than with the integral addition method. The improvement in strength due to the silane coupling agent is explained in terms of chemical interaction between the polymeric matrix and filler. Addition of glass fibers enhances the strength, stiffness and toughness of polyester polymer concrete, and silane treatment of glass fibers helps to further enhance these properties. Behavior models are proposed to predict the enhanced flexural strength of polyester polymer concrete due to pretreatment, integral addition and fiber reinforcement.

DOI:

10.14359/10012

Document: 

SP104-12

Date: 

October 1, 1987

Author(s):

Luc R. Taerwe

Publication:

Symposium Papers

Volume:

104

Abstract:

Usually it is assumed that consecutive concrete strength values are independent. However, the analysis of five extensive concrete strength records, with a number of observations ranging between 534 and 1786, reveals that significant serial correlation is

DOI:

10.14359/1618

Document: 

SP104-04

Date: 

October 1, 1987

Author(s):

V. M. Malhotra

Publication:

Symposium Papers

Volume:

104

Abstract:

Outlines the developments in superplasticizers, pozzolans, and granulated blast-furnace slags, and it describes how these materials have been used innovatively to improve the quality of concrete. Special reference is made to the development of high-streng

DOI:

10.14359/1627

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