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Title:

FRACTURE OF MODEL CONCRETE 1. TYPES OF FRACTURE AND CRACK PATH

Accession Number:

00983084

Record Type:

Component

Availability:

Elsevier

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Order URL: http://worldcat.org/issn/00088846

Abstract:

Experimental data that would serve to verify theoretical models of concrete fracture, particularly the effect of aggregate strength and mortar-aggregate interface on concrete strength, fracture paths, and deformation properties is presented in this paper. Six types of concrete were designed and tested. All the concretes were made with the same matrix. Two types of aggregates were used (spheres of the same diameter but of different strength) and three kinds of aggregate were used-matrix interfaces (debonded aggregates, strongly bonded, and intermediate bonded). Fracture behavior was investigated by testing notched beams. All in all, 87 tests were performed. Detailed load-displacement and load-CMOD curves for the six types of concrete and two beam sizes are given. The different types of fracture-intergranular, through the matrix or the interface, or transgranular-are specified for the different aggregate-matrix interfaces. The properties of the matrix, aggregate, and interfaces needed to reproduce these tests numerically are provided in this paper, permitting others to check numerical models of concrete fracture.

Language:

English

Corporate Authors:

Elsevier

The Boulevard, Langford Lane
Kidlington, Oxford OX5 1GB United Kingdom

Authors:

Rossell, C
Elices, M

Pagination:

10 p.

Publication Date:

2004-8

Serial:

Cement and Concrete Research

Volume: 34
Issue Number: 8
Publisher: Elsevier
ISSN: 0008-8846
Serial URL: http://www.sciencedirect.com/science/journal/00088846

Features:

Figures (9) ; References (15) ; Tables (6)

Subject Areas:

Design; Energy; Geotechnology; Highways; Materials; I32: Concrete

Files:

TRIS

Created Date:

Dec 9 2004 12:00AM

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