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Alternative Specimens for Testing Concrete Strength

Fatih Bektas

Flexural strength of concrete is an important design parameter. In the United States, flexural strength is determined using 6 x 6 x 21 in. (150 x 150 x 525 mm) beams. These specimens, weighing almost 65 lb (29.5 kg), pose operational difficulties. This present study investigated the feasibility of using 4 x 4 x 14 in. (100 x 100 x 350 mm) beams for flexural strength; additionally researched was the use of 4 in. (100 mm) beam ends (that is, cubes sawn from the broken beams after flexure testing) for compressive strength. The 4 x 4 x 14 in. (100 x 100 x 350 mm) beams, 6 x 6 x 21 in. (150 x 150 x 525 mm) beams, 4 x 8 in. (100 x 200 mm) cylinders, and 4 in. (100 mm) cubes were produced from a wide array of concrete mixtures varying in materials and proportions.

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Alternative Specimens for Testing Concrete Strength

Fatih Bektas

Flexural strength of concrete is an important design parameter. In the United States, flexural strength is determined using 6 x 6 x 21 in. (150 x 150 x 525 mm) beams. These specimens, weighing almost 65 lb (29.5 kg), pose operational difficulties. This present study investigated the feasibility of using 4 x 4 x 14 in. (100 x 100 x 350 mm) beams for flexural strength; additionally researched was the use of 4 in. (100 mm) beam ends (that is, cubes sawn from the broken beams after flexure testing) for compressive strength. The 4 x 4 x 14 in. (100 x 100 x 350 mm) beams, 6 x 6 x 21 in. (150 x 150 x 525 mm) beams, 4 x 8 in. (100 x 200 mm) cylinders, and 4 in. (100 mm) cubes were produced from a wide array of concrete mixtures varying in materials and proportions.

Alternative Specimens for Testing Concrete Strength

Fatih Bektas

Flexural strength of concrete is an important design parameter. In the United States, flexural strength is determined using 6 x 6 x 21 in. (150 x 150 x 525 mm) beams. These specimens, weighing almost 65 lb (29.5 kg), pose operational difficulties. This present study investigated the feasibility of using 4 x 4 x 14 in. (100 x 100 x 350 mm) beams for flexural strength; additionally researched was the use of 4 in. (100 mm) beam ends (that is, cubes sawn from the broken beams after flexure testing) for compressive strength. The 4 x 4 x 14 in. (100 x 100 x 350 mm) beams, 6 x 6 x 21 in. (150 x 150 x 525 mm) beams, 4 x 8 in. (100 x 200 mm) cylinders, and 4 in. (100 mm) cubes were produced from a wide array of concrete mixtures varying in materials and proportions.

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Title:

Alternative Specimens for Testing Concrete Strength

Contributors:

Fatih Bektas (author)

Published in:

ACI materials journal ; 113

Publication date:

2016

ISSN:

DOI:

https://doi.org/10.14359/51688184

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Beton , Baustoffkunde

Classification:

Local classification TIB: 770/6530
BKL: 51.00 Werkstoffkunde: Allgemeines / 56.00 Bauwesen: Allgemeines

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