UNSPECIFIED (1994) COMPRESSION STRENGTH OF PULTRUDED FLAT SHEET MATERIAL. JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 6 (2). pp. 185-200. ISSN 0899-1561

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Abstract

The principal in-plane compressive strengths of pultruded E-glass fiber-reinforced flat sheet material were measured using a nonstandard test procedure. Over 100 specimens, each having nominal dimensions of 7.0 by 2.0 by 0.635 cm, were tested with the longest side either parallel or perpendicular to the pull direction in the pultrusion process. The experimental test procedure and the test rig for thick (up to 1.6-cm) specimens are described. The strength data are used in a comparison between statistical methods that may be used to determine design allowables for the purpose of structural design. These strength allowables are compared with the corresponding values (in accordance with standard ASTM D695-90) provided by the manufacturer. Results show that compression strengths of the material have coefficients of variation of 9% in a parallel direction and 6% per pendicular to this. This large variation indicates that the ASTM D695-90 specimen batches of five are too low. Design allowable strengths determined from the lognormal distribution are 25% and 12% higher than manufacturer's allowables.

Item Type:	Journal Article
Subjects:	T Technology > TH Building construction T Technology > TA Engineering (General). Civil engineering (General)
Journal or Publication Title:	JOURNAL OF MATERIALS IN CIVIL ENGINEERING
Publisher:	ASCE-AMER SOC CIVIL ENG
ISSN:	0899-1561
Date:	May 1994
Volume:	6
Number:	2
Number of Pages:	16
Page Range:	pp. 185-200
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/19917

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