不锈钢丝网在钢筋混凝土翼缘梁抗剪加固中的作用

IF 0.7 Q4 ENGINEERING, CIVIL

International Journal of Structural Engineering Pub Date : 2020-05-18 DOI:10.1504/ijstructe.2020.10029529

S. Raiyani, P. Patel, S. D. Vora

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引用次数: 4

摘要

本研究旨在评估外部粘结不锈钢丝网（SSWM）在提高T形截面钢筋混凝土（RC）凸缘梁抗剪强度方面的有效性。为了确定合适的SSWM作为增强材料，对五种当地可用的SSWM进行了拉伸试验和粘结试验。通过试验研究了40×32外粘结SSWM加固钢筋混凝土T梁在横向荷载作用下的受力性能。两个梁被视为控制试件，四个梁通过两种不同的包裹配置进行外部加固。所有梁均在两点荷载下进行试验，直至失效。从开裂荷载、极限荷载、挠度等方面进行了试验研究，验证了SSWM在梁抗剪加固中的有效性。利用有限元软件ABAQUS建立了受控和SSWM加固T梁试件的数值模型，验证了试验结果。

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Effectiveness of stainless steel wire mesh in shear strengthening of reinforced concrete flanged beam

The present study aims to evaluate the effectiveness of externally bonded stainless steel wire mesh (SSWM) in enhancing the shear strength of reinforced concrete (RC) flanged beams with T-shape cross-section. To identify appropriate SSWM as a strengthening material, tension test and bond test are performed on five locally available SSWM. An experimental investigation is conducted to study the behaviour of RC T-beams strengthened by externally bonded 40 × 32 type SSWM under transverse loading. Two beams are considered as control specimen, and four beams are externally strengthened by two different wrapping configurations. All beams are tested under the two-point loading until failure. Results of experimental investigation, in terms of cracking load, ultimate load, deflection, prove the effectiveness of SSWM in shear strengthening of beams. The numerical model of controlled and SSWM strengthened T-beam specimen is also developed using finite element based software ABAQUS to validate experimental results.

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来源期刊

International Journal of Structural Engineering Engineering-Civil and Structural Engineering

CiteScore

2.40

自引率

23.10%

发文量