Enhanced Performance of Fracture Strength of Rubberized Concrete Panels by External Reinforcement

Q1 Engineering International Review of Civil Engineering Pub Date : 2023-07-31 DOI:10.15866/irece.v14i4.22521

Thaer Jasim Mohammed, Khalid Mohammed Breesem, Abeer F. Hussein

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Abstract

In general, producing environmentally friendly concrete is necessary to conserve concrete material resources and reduce construction costs. Recycled tire rubber has been used to produce concrete in various construction works. In the beginning, rubber concrete mixes are done with different percentages of 0%, 6%, 12% and 24% of rubber tires. Then the slump test and the density of the concrete have been tested, in addition to the compressive strength and tensile strength. The strengthening of rubberized concrete slabs with fibre-reinforced polymer sheets is experimentally investigated to increase strength and durability. Thus, in this paper, twelve rubber concrete slabs have been strengthened by FPR sheets with different methods as external reinforcement in order to improve the fracture and shear strength. It is found out that the strengthening rubbered concrete slabs with inclined angles are unnoticeable higher than the straight strengthening configuration. In addition, the type of failure of rubberized concrete panels is affected by the configuration of external reinforcement.

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外加筋提高橡胶混凝土板断裂强度的研究

一般来说，生产环保型混凝土是节约混凝土材料资源和降低施工成本的必要条件。再生轮胎橡胶已被用于生产各种建筑工程中的混凝土。一开始，橡胶混凝土掺量分别为0%、6%、12%和24%的橡胶轮胎。然后进行坍落度试验和混凝土密度试验，以及抗压强度和抗拉强度试验。试验研究了纤维增强聚合物板对橡胶混凝土板的增强作用，以提高其强度和耐久性。为此，本文对12块橡胶混凝土板进行了不同方法的FPR板外加固，以提高其抗剪强度和断裂强度。结果表明，斜加固橡胶混凝土板比直加固板高不明显。此外，橡胶混凝土板的破坏类型受外筋配置的影响。

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来源期刊

International Review of Civil Engineering Engineering-Architecture

CiteScore

2.90

自引率

0.00%

发文量

期刊介绍： The International Review of Civil Engineering (IRECE) is a peer-reviewed journal that publishes original theoretical papers, applied papers, review papers and case studies on all fields of civil engineering. The scope of the Journal encompasses, but is not restricted to the following areas: infrastructure engineering; transportation engineering; structural engineering (buildings innovative structures environmentally responsive structures bridges stadiums commercial and public buildings, transmission towers, television and telecommunication masts, cooling towers, plates and shells, suspension structures, smart structures, nuclear reactors, dams, pressure vessels, pipelines, tunnels and so on); earthquake, hazards, structural dynamics, risks and mitigation engineering; environmental engineering; structure-fluid-soil interaction; wind engineering; fire engineering; multi-scale analysis; constitutive modeling and experimental testing; construction materials; composite materials in engineering structures (use, theoretical analysis and fabrication techniques); novel computational modeling techniques; engineering economics. The Editorial policy is to maintain a reasonable balance between papers regarding different research areas so that the Journal will be useful to all interested scientific groups.