Author: "Al-Shaarbaf, Ihsan. A." / Topic: concrete beams - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Al-Shaarbaf, Ihsan. A." Topic concrete beams

Author: Hussein, Sally Selan, Mohammed, Hussam Ali, and Al-Shaarbaf, Ihsan. A.
Subjects: CONCRETE beams, COMPRESSIVE strength, NONLINEAR analysis, CONCRETE analysis, REINFORCED concrete, CONCRETE, CRACKS in reinforced concrete
Abstract: Beams of reinforced concrete with flanges have been utilized extensively in a lot of applications in structural engineering. The total behavior of this type of member has been studied experimentally and analytically. In this paper, a finite element method-based numerical analysis was used to presented the reinforced concrete's behavior with flanges during the pre-and post-cracking level of loading up to their ultimate stress. Different types of flanged reinforced concrete beams were analyzed, and the results from finite element (F.E.M) were compared with experimental and analytical data. The impact of concrete's compressive strength has been examined. In general, excellent agreement has been obtained between the results of finite element and experimental tests. Also studied numerically is the distribution of concrete longitudinal compressive stresses and tensile stresses along the steel reinforcement. It is found that for high-strength concrete, the ACI Code 318M-14 underestimates the collapse moment of flanged reinforced concrete beams. [ABSTRACT FROM AUTHOR]
Published: 2024
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Author: Ridha, Maha M. S., Al-Shaarbaf, Ihsan A. S., and Sarsam, Kaiss F.
Subjects: *CONCRETE beams, *POWDERS, *STIRRUPS, *ULTIMATE strength, *SILICA fume, *SHEAR strength
Abstract: The tests results of 18 longitudinally reinforced reactive powder concrete (RPC) beams without stirrups and subjected to combined flexural and shear are presented in this paper. The main test variables were the ratio of the shear span-to-effective depth (a/d), the ratio of the longitudinal reinforcement (ρw), the percentage of steel fibers volume fractions (Vf) and the percentage of silica fume (SF) powder. The findings of this paper reveal that addition of steel fibers into the RPC mixture does not considerably affect the initial diagonal cracking load but it influences the ultimate load capacity. For all tested fibrous RPC beams, the ratio of the ultimate shear force to diagonal cracking force (Vu∕Vcr) have an average ratio of about 2.5. The shear design equations recommended by the (ACI 318-14) code, (CSA A23.3-04) code, (NZS 3101-06) code and (BS 8110-97) code have been modified to predict the ultimate shear strength of RPC beams without stirrups. The suggested equations gave satisfied predictions for the shear strength of the tested RPC beams with coefficients of variation (COV) ranging from 0.09049 to 0.1817. [ABSTRACT FROM AUTHOR]
Published: 2020
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Author: Al-Bayati, Nabeel A.-M., Al-Nimer, Nisreen S., Sarsam, Kaiss F., and Al- Shaarbaf, Ihsan A. S.
Subjects: CONCRETE beams, CONCRETE construction, STRUCTURAL analysis (Engineering), CONSTRUCTION laws, COMPUTER-aided engineering, STRUT & tie models
Abstract: Copyright of Tikrit Journal of Engineering Sciences is the property of Republic of Iraq Ministry of Higher Education & Scientific Research (MOHESR) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Published: 2014

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