Comparisons Between Pull-Out Behaviour of Various Hooked-End Fibres in Normal–High Strength Concretes
نویسندگان
چکیده
منابع مشابه
Pull-out strength of screws from polymethylmethacrylate cement.
We aimed to determine the optimal method of inserting a screw into polymethylmethacrylate (PMMA) cement to enhance fixation. We performed six groups of ten axial pull-out tests with two sizes of screw (3.5 and 4.5 mm AO cortical) and three methods of insertion. Screws were placed into 'fluid' PMMA, into 'solid' PMMA by drilling and tapping, or into 'curing' PMMA with quarter-revolution turns ev...
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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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Introduction: To evaluate the effects of using sodium hypochlorite irrigant on pull-out bond strength of self-etch and self-adhesive resin cements to dentin. Methods: Sixty intact premolars were decoronated and the root canals were prepared by step-back technique. The teeth were divided into two groups according to the irrigant used during root canal treatment: 5.25% sodium hypochlorite and nor...
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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...
متن کاملInvestigation of Bond Stress in Pull Out Specimens with High Strength Concrete
Some international standard regulate the use of the high strength concrete, which may not be adopted generally without consideration of the differences that can exist among the materials in different countries. This paper relate the results of an experimental study consisting of pull out tests of Brazilian’s steel, with five different concrete strength 20, 40, 60, 80 and 100 MPa, and three diff...
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ژورنال
عنوان ژورنال: International Journal of Concrete Structures and Materials
سال: 2019
ISSN: 1976-0485,2234-1315
DOI: 10.1186/s40069-019-0337-0