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Materials 2014, 7(8), 5934-5958; doi:10.3390/ma7085934

Experimental Study on the Seismic Performance of Recycled Concrete Brick Walls Embedded with Vertical Reinforcement

College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
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Received: 11 June 2014 / Revised: 6 August 2014 / Accepted: 6 August 2014 / Published: 19 August 2014
(This article belongs to the Special Issue Recycled Materials)

Abstract

Recycled concrete brick (RCB) is manufactured by recycled aggregate processed from discarded concrete blocks arising from the demolishing of existing buildings. This paper presents research on the seismic performance of RCB masonry walls to assess the applicability of RCB for use in rural low-rise constructions. The seismic performance of a masonry wall is closely related to the vertical load applied to the wall. Thus, the compressive performance of RCB masonry was investigated firstly by constructing and testing eighteen RCB masonry compressive specimens with different mortar strengths. The load-bearing capacity, deformation and failure characteristic were analyzed, as well. Then, a quasi-static test was carried out to study the seismic behavior of RCB walls by eight RCB masonry walls subjected to an axial compressive load and a reversed cyclic lateral load. Based on the test results, equations for predicting the compressive strength of RCB masonry and the lateral ultimate strength of an RCB masonry wall were proposed. Experimental values were found to be in good agreement with the predicted values. Meanwhile, finite element analysis (FEA) and parametric analysis of the RCB walls were carried out using ABAQUS software. The elastic-plastic deformation characteristics and the lateral load-displacement relations were studied. View Full-Text
Keywords: recycled concrete brick (RCB); compressive performance; seismic performance; experimental study; numerical simulation recycled concrete brick (RCB); compressive performance; seismic performance; experimental study; numerical simulation
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Cao, W.; Zhang, Y.; Dong, H.; Zhou, Z.; Qiao, Q. Experimental Study on the Seismic Performance of Recycled Concrete Brick Walls Embedded with Vertical Reinforcement. Materials 2014, 7, 5934-5958.

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