scholarly journals A total‐strain based orthotropic continuum model for the cyclic nonlinear behavior of unreinforced brick masonry structures

2022 ◽  
Author(s):  
M. Sousamli ◽  
F. Messali ◽  
J. G. Rots
Keyword(s):  
Continuum Model ◽  
Nonlinear Behavior ◽  
Brick Masonry ◽  
Total Strain ◽  
Masonry Structures

scholarly journals An Assessment of Brick Masonry Strengthening Practice by Special Methods

2019 ◽  
Vol 8 (3) ◽  
pp. 1529-1533
Keyword(s):  
Conventional Method ◽  
Cementitious Materials ◽  
Masonry Wall ◽  
Brick Masonry ◽  
Wire Mesh ◽  
Suitable Method ◽  
Structural Performance ◽  
Masonry Structures ◽  
Excellent Performance ◽  
Metal Mesh

This study aims to identify the best suitable method to enhance strength and the structural performance of masonry. There are different techniques available to strengthen the existing and new masonry structures. This paper deals the metal/mesh embedment in the masonry wall, strengthening by added different polymers and textile strips, masonry grout, engineered cementitious materials (ECC) and interlocking masonry method. The comparison of different unique masonry strengthening methods helps us to provide a better suggestion for construction issues. In contrast to the conventional method, welded wire mesh gives better results than all other ways. Also, embedment of TRM, ECC, FRP, GFRP, CFRP, and interlocking holds an excellent performance in some other aspects.

scholarly journals Numerical Modeling of Historic Masonry Structures

2016 ◽  
pp. 27-68
Author(s):  
Panagiotis G. Asteris ◽  
Vasilis Sarhosis ◽  
Amin Mohebkhah ◽  
Vagelis Plevris ◽  
L. Papaloizou ◽  
...  
Keyword(s):  
Structural Component ◽  
Applied Load ◽  
Nonlinear Behavior ◽  
Masonry Walls ◽  
Filling Material ◽  
Masonry Structures ◽  
Historic Masonry ◽  
The Individual ◽  
Masonry Units ◽  
Joint Material

The majority of historical and heritage structures around the world consist of unreinforced masonry walls. A masonry structure is composed of masonry units, such as brick or marble blocks, with or without a joint filling material, such as mortar. A masonry with a joint material is usually made of two different materials (i.e. masonry units and mortar), representing a non-homogeneous and anisotropic structural component. In other words, masonry is a discontinuous structural component whose deformations and failure mechanism are governed by its blocky behavior. Some ancient masonry structures, such as ancient columns and colonnades, are constructed without any form of joint material between the individual blocks. Therefore, the isotropic elastic continuum-based models are not suitable for the simulation of the real nonlinear behavior of masonry walls under applied load.

Typical brick masonry walls reinforced with high-strength mortar and steel bars in the horizontal joints

2021 ◽  
pp. 136943322110122
Author(s):  
Xinqiang Yao ◽  
Bin Liang ◽  
Hai Zhang ◽  
Ziliang Zhang ◽  
Zheng He
Keyword(s):  
Cement Mortar ◽  
High Strength ◽  
Shear Capacity ◽  
Brick Masonry ◽  
Masonry Walls ◽  
Masonry Structures ◽  
Test Plan ◽  
Static Tests ◽  
Rural Buildings ◽  
Steel Bars

Based on investigation of rural buildings in china, there are more than 20% of the masonry structures constructed in 1970s. Thus, the old blue bricks (OBB) and old red bricks (ORB), which demolished from the typical brick masonry structures was built in 1970s, was chosen in the test. During demolishing the OBB and ORB, the original mortar was destroyed. Thus, the 1:7.8 cement mortar was chosen instead of original mortars and the 1:5 cement mortar was chosen as the reinforcement mortar. In order to know the performant of the reinforcement methods, there are three-level test plan was put forward in the study. Firstly, the mechanical properties of OBB and ORB and mortars was tested; Secondly, the experiment tested the shear strength of the reinforced and unreinforced masonry specimens along mortar joints; Thirdly, there are four walls (OBB reinforced wall and unreinforced wall, ORB reinforced wall and unreinforced wall) have been made for the pseudo-static tests. This research conducted physical performance tests on masonry bricks, masonry components, and masonry walls of typical masonry structures. Through experiments, the shear capacity of the masonry structure reinforced by high-strength mortar and steel bars can be obtained.

scholarly journals Evaluation of the Mechanical Behavior of Local Brick Masonry in Pakistan

2019 ◽  
Vol 9 (3) ◽  
pp. 4298-4300
Author(s):  
T. M. Shah ◽  
A. Kumar ◽  
S. N. R. Shah ◽  
A. A. Jhatial ◽  
M. H. Janwery
Keyword(s):  
Mechanical Behavior ◽  
Construction Material ◽  
Brick Masonry ◽  
Thickness Ratio ◽  
Masonry Structures ◽  
Crushing Strength ◽  
Load Bearing ◽  
The Past ◽  
The World ◽  
Considerable Damage

Masonry is the oldest form of construction in the world [1]. Research shows that it is the most widely used construction material in Pakistan and it has remained as such for more than the past hundred years. The majority of buildings in Pakistan are load-bearing burnt-brick masonry structures. Unfortunately, the brick masonry structures in Pakistan are not designed with respect to any regulatory code, because none exist. Consequently, these structures are not constructed according to a safe design and thus become hazardous and often face considerable damage and sometimes prove to be fatal. This study aims to study the behavior of local brick masonry under normal, shear and thermally challenging conditions and to model its behavior by relating the crushing strength (f’m) to the height-to-thickness ratio and temperature.

Numerical Modeling of Historic Masonry Structures

2015 ◽  
pp. 213-256 ◽  
Author(s):  
Panagiotis G. Asteris ◽  
Vasilis Sarhosis ◽  
Amin Mohebkhah ◽  
Vagelis Plevris ◽  
L. Papaloizou ◽  
...  
Keyword(s):  
Structural Component ◽  
Applied Load ◽  
Nonlinear Behavior ◽  
Masonry Walls ◽  
Filling Material ◽  
Masonry Structures ◽  
Historic Masonry ◽  
The Individual ◽  
Masonry Units ◽  
Joint Material

The majority of historical and heritage structures around the world consist of unreinforced masonry walls. A masonry structure is composed of masonry units, such as brick or marble blocks, with or without a joint filling material, such as mortar. A masonry with a joint material is usually made of two different materials (i.e. masonry units and mortar), representing a non-homogeneous and anisotropic structural component. In other words, masonry is a discontinuous structural component whose deformations and failure mechanism are governed by its blocky behavior. Some ancient masonry structures, such as ancient columns and colonnades, are constructed without any form of joint material between the individual blocks. Therefore, the isotropic elastic continuum-based models are not suitable for the simulation of the real nonlinear behavior of masonry walls under applied load.

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