Analysis of reinforced masonry structures: Equivalent frame approach with Force-Based Elements

2016 ◽  
pp. 291-300
Author(s):  
M. Peruch ◽  
E. Spacone ◽  
P.B. Shing
Keyword(s):  
Masonry Structures ◽  
Reinforced Masonry ◽  
Equivalent Frame

scholarly journals Numerical Study on Crack Distributions of the Single-Layer Building under Seismic Waves

Complexity ◽  
2018 ◽  
Vol 2018 ◽  
pp. 1-16
Author(s):  
Fenghui Dong ◽  
Zhipeng Zhong ◽  
Jin Cheng
Keyword(s):  
Seismic Waves ◽  
Numerical Study ◽  
Single Layer ◽  
Experimental Tests ◽  
Masonry Structure ◽  
Original Model ◽  
Dynamic Responses ◽  
Masonry Structures ◽  
Reinforced Masonry ◽  
Longitudinal Cracks

This paper conducts a numerical simulation of the antiseismic performance for single-layer masonry structures, completes a study on crack distributions and detailed characteristics of masonry structures, and finally verifies the correctness of the numerical model by experimental tests. This paper also provides a reinforced proposal to improve the antiseismic performance of single-layer masonry structures. Results prove that the original model suffers more serious damage than the reinforced model; in particular, longitudinal cracks appear on bottoms of two longitudinal walls in the original model, while these cracks appear later in the reinforced model; a lot of cracks appear on the door hole of the original model, and no crack appears in the reinforced model till the end of seismic waves; seismic damage of walls in the reinforced model is obviously lighter than that in the original model; dynamic responses at all observed points of the reinforced masonry are obviously less than those of the original model. Strains at all positions of the reinforced model are obviously smaller than those of the original model. From macroscopic and microscopic perspectives, the computational results prove that the reinforced proposal proposed in this paper can effectively improve the antiseismic performance of the masonry structure.

Masonry Buildings' Seismic Failures

2019 ◽  
pp. 59-148
Author(s):  
Eftychia Apostolidi
Keyword(s):  
Residential Buildings ◽  
Structural Characteristics ◽  
Easy Access ◽  
Masonry Buildings ◽  
Masonry Structures ◽  
Construction Methods ◽  
Reinforced Masonry ◽  
Earthquake Resistant ◽  
The World ◽  
Earthquake Resistant Structures

<p>Masonry structures are probably the most popular and ancient type of buildings all over the world. Easy access of its constitutive materials, which are basically stones, bricks, and mortar (which varies from region to region), makes masonry one of the everlasting construction methods from small residential buildings to the most important ancient and historic monuments. <p>Some masonry buildings have proved to be resistant structures even in seismic prone areas, due to some specific structural characteristics that have been observed throughout the years and after many destructive earthquakes. In this chapter, an effort will be made to refer to and describe the most characteristic deficiencies in unreinforced and reinforced masonry buildings under seis-mic actions. Design recommendations for new earthquake-resistant structures will follow, and some retrofitting and strengthening strategies for existing masonry buildings will be proposed.

Seismic Performance of CFRP Strengthened Unreinforced Masonry Structures

2011 ◽  
Vol 194-196 ◽  
pp. 1904-1907
Author(s):  
Sheng Li Yuan
Keyword(s):  
Flexural Strength ◽  
Seismic Performance ◽  
Crack Width ◽  
Unreinforced Masonry ◽  
Masonry Structures ◽  
Reinforced Masonry ◽  
Earthquake Performance

This paper studies the earthquake performance of strengthening unreinforced masonry structures with CFRP. Using CFRP reinforced masonry structures can substantially increase the ultimate flexural strength and resisted deformations of the walls and columns ,at the same time can also effectively dispersed the distribution of crack width of cracks and constraints.

Damage to masonry buildings caused by the 1995 Hyogo-ken Nanbu (Kobe, Japan) earthquake

1996 ◽  
Vol 23 (3) ◽  
pp. 797-807 ◽  
Author(s):  
Michel Bruneau ◽  
Koji Yoshimura
Keyword(s):  
Unreinforced Masonry ◽  
Masonry Buildings ◽  
Masonry Structures ◽  
Design Codes ◽  
Epicentral Area ◽  
The Past ◽  
Masonry Construction ◽  
Kobe Earthquake ◽  
Reinforced Masonry ◽  
A Minor

The seismic performance of the few masonry structures present in the Kobe area and subjected to the severe Hyogo-ken Nanbu earthquake is a minor concern when compared to the overwhelming damage suffered by other types of structures. However, in order to dispel the myth that masonry structures are nonexistent in Japan as well as a few other misconceptions, and for the sake of completeness within the concerted multipaper reporting effort on the Hyogo-ken Nanbu (Kobe) earthquake by the Canadian reconnaissance team which visited the epicentral area of this earthquake, a brief description of the past and present state of masonry construction in Japan is first presented, followed by a short description of the damage to unreinforced masonry buildings, masonry garden-walls, and nonstructural masonry elements, as observed by the authors during their visits to the Kobe area. Key words: earthquake, seismic, masonry, buildings, bearing walls, unreinforced masonry, reinforced masonry, failures, design codes.

Non Linear Response of Masonry Wall Structures Subjected to Cyclic and Dynamic Loading

2010 ◽  
Vol 133-134 ◽  
pp. 747-752
Author(s):  
Fernando Sima ◽  
Pere Roca ◽  
Climent Molins
Keyword(s):  
Masonry Wall ◽  
Masonry Walls ◽  
Masonry Structures ◽  
Matrix Formulation ◽  
Wall Structures ◽  
Non Linear ◽  
Equivalent Frame ◽  
Generalized Matrix ◽  
Frame Systems ◽  
Solid Walls

A method for non-linear dynamic analysis of wall masonry structures is presented. The method takes advantage of a Generalized Matrix Formulation (GMF) for the serviceability and ultimate analysis of structures composed of arches and/or masonry walls, in which open and solid walls are described as equivalent frame systems. This formulation has been complemented with a cyclic constitutive model and an algorithm for the integration of the equation of motion, resulting in a numerically efficient method for non-linear analysis in time domain of complex masonry systems.

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