Experimental research on concrete strength prediction by Limpet pull-off test in China
نویسندگان
چکیده
منابع مشابه
Studies on the pull-out strength of ribbed bars in high-strength concrete
The transfer of forces from reinforcing bars to surrounding concrete in reinforced concrete (RC) is influenced by many parameters. Several efforts were made to understand the influence of bond on global behaviour of RC members. However, the information on bond strength of high strength concrete (HSC) is lacking. An attempt was made to study the influence of various parameters on bond such as ba...
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Nowadays, the better performance of lightweight structures during earthquake has resulted in using lightweight concrete more than ever. However, determining the compressive strength of concrete used in these structures during their service through a none-destructive test is a popular and useful method. One of the main methods of non-destructive testing in the assessment of compressive strength...
متن کاملTesting Interlayer Pull-off Adhesion in Concrete Floors by Means of Nondestructive Acoustic Method
Pull-off adhesion fb, in practice determined by the seminondestructive pull-off method, is a measure of the interlayer bond. It should be noted that the effectiveness of the pull-off method depends on the number of cores drilled. According to [1], one core per 3 m2 of floor should be drilled. Such a high density of cores drilled has a significant adverse effect on the condition of the tested fl...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Analysis of Bond Strength by Pull Out Test on Fiber Glass Posts Cemented in Different Lengths
BACKGROUND The aim of this study was to evaluate, by means of pull-out test, the bond strength of fiberglass posts when cemented with different lengths in endodontically treated teeth. MATERIALS AND METHODS Sixty single-rooted bovine roots were cut in the cementoenamel junction with 21 mm length. They were endodontically treated and randomly divided into three groups (n = 20). Group 1 - Prepa...
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ژورنال
عنوان ژورنال: International Journal of Structural Engineering
سال: 2014
ISSN: 1758-7328,1758-7336
DOI: 10.1504/ijstructe.2014.058678