Earthquake Damage Forms of Multi-Story Brick Masonry Structure and their Mechanical Analysis

2014 ◽  
Vol 1065-1069 ◽  
pp. 1408-1411
Author(s):  
Hong Biao Liu
Keyword(s):  
Failure Mechanism ◽  
Mechanical Analysis ◽  
Seismic Damage ◽  
Masonry Structure ◽  
Brick Masonry ◽  
Earthquake Damage ◽  
Seismic Capacity ◽  
Earthquake Disaster ◽  
Damage Characteristics ◽  
Important Significance

In order to know seismic damage characteristics of multi-story brick masonry structure and improve its seismic capability, five kinds of earthquake damage or collapse forms of multi-story masonry brick structure are summed up based on earthquake disaster survey, each of which is analyzed with mechanics. And the failure mechanism of each seismic damage form of multi-story brick masonry structure are proposed, which provides effective engineering experience for the seismic or anti-collapse design of multi-story masonry brick structure. The research has the important significance in improving the seismic capacity of multi-story brick masonry structure and reducing the earthquake casualties.

Seismic Damage Predictions and Antiseismic Performance Researches of Single-Story Brick Column Workshops in Lushan Ms7.0 Earthquake

2014 ◽  
Vol 638-640 ◽  
pp. 1842-1847
Author(s):  
Ming Zhen Wang ◽  
Bai Tao Sun ◽  
Pei Lei Yan
Keyword(s):  
Finite Element ◽  
Failure Mechanism ◽  
Seismic Damage ◽  
Field Investigation ◽  
Damage Prediction ◽  
Affected Area ◽  
Damage Characteristics ◽  
Finite Element Software ◽  
Storage Room

Single-story brick column workshops are widely used as the production or storage room of medium and small-sized enterprises in China. Based on the field investigation of single-story brick column workshops at the earthquake-affected area after Lushan 7.0 earthquake, the damage characteristics of workshops are summed up. Damage prediction analyses are carried out for two typical single-story brick column workshops, and failure mechanism researches are conducted by using ABAQUS finite element software for a workshop. Finally, according to the results of failure mechanism researches, some relevant suggestions of the seismic reinforcement are put forward.

Seismic Vulnerability Analysis of Water Pipeline in Wenchuan Earthquake

2011 ◽  
Vol 109 ◽  
pp. 290-295
Author(s):  
En Dong Guo ◽  
Dan Yang ◽  
Zhi Liu ◽  
Zai Rong Wang
Keyword(s):  
Wenchuan Earthquake ◽  
Seismic Vulnerability ◽  
Great Influence ◽  
Seismic Damage ◽  
Vulnerability Analysis ◽  
Pipeline System ◽  
Seismic Capacity ◽  
Damage Characteristics ◽  
Seismic Vulnerability Analysis ◽  
Water Pipeline

The seismic damage and loss of service of pipeline engineering may have great influence on the society, so the seismic research of pipeline engineering had always been highly valued. In this paper, the seismic damage characteristics of pipeline and vulnerability of water pipeline system in Wenchuan earthquake are analyzed, some revelations have been presented. The seismic capacity of pipeline engineering in some towns and cities was not adequate, the pipeline systems suffered great losses in Wenchuan Earthquake, and effective seismic countermeasures should be considered in design and construction of water pipeline system in order to improve this situation.

Further Study of Average Damage Ratio and Seismic Capacity Comparing of Non-Engineered Building in Seismogenic Zone Provinces in China

2014 ◽  
Vol 638-640 ◽  
pp. 1803-1810
Author(s):  
Ming Lu ◽  
Jue Hui Xing ◽  
Yan Yu ◽  
Ya Min Zhao
Keyword(s):  
Economic Loss ◽  
Brick Masonry ◽  
Seismogenic Zone ◽  
Considerable Proportion ◽  
Seismic Capacity ◽  
Earthquake Disaster ◽  
Capacity Evaluation ◽  
The World ◽  
Damage Data ◽  
Average Damage

China is one of the countries with the most serious earthquake disaster in the world. Buildings damaged and collapsed caused by earthquakes are the main reason of the economic loss and casualties. Most of non-engineered buildings are self-built houses, which occupy a considerable proportion in damaged buildings during earthquakes. It is significant to statistic and to analyze these house damage data in former earthquakes for the seismic capacity evaluation of the non-engineered buildings. The main types of non-engineered buildings are wood house, earth and wood house, brick and wood house, and brick masonry house. It is the seismogenic zone provinces for Xinjiang, Qinghai, Gansu and Yunnan in China. Based on the four type houses in the four provincial regions. The article focused on the 105 reports of earthquake disaster selected from 1990 and 2013. And then the article demonstrated that the average damage ratio of different house types in these four provincial regions. Through the comparing of the average damage ratio of the same house types in the four regions, it is clearly to understanding the seismic capacity of these types of non-engineered buildings in the different regions.

Earthquake Damage Investigation and Analysis of Masonry Structure in Yuxi Village - The Macroscopic Epicenter of Ms 7.0 Lushan Earthquake

2013 ◽  
Vol 423-426 ◽  
pp. 1155-1158
Author(s):  
Pei Lei Yan ◽  
Bai Tao Sun ◽  
Ming Zhen Wang
Keyword(s):  
Southwest China ◽  
Reference Value ◽  
Structural Features ◽  
Masonry Structure ◽  
Disaster Mitigation ◽  
Rural Residence ◽  
Seismic Capacity ◽  
Damage Characteristics ◽  
Seismic Design Code ◽  
Damage Data

Damage data of 52 masonry structures in Yuxi Village which is the macroscopic epicenter of Ms 7.0 LuShan strong earthquake were summarized and analyzed to study basic seismic capacity of the rural residence in Southwest China, and the following conclusions were obtained: summarized structural features of the main rural residence structure in Southwest China that exemplified by Yuxi Village; summarized damage characteristics of masonry structure in Yuxi Village, given brief analysis of its damage causes and provided reinforcement and improvement suggestions according to the corresponding damage characteristics; analyzed general damage characteristics of the village houses in the macroscopic level based on statistically analyze seismic site survey data. The basic seismic capacity of rural residential status in Southwest China is initially grasped, and it has important reference value to understand of the damage characteristics of various types of structure, the development of earthquake disaster mitigation planning and revision of seismic design code.

Seismic Behavior Analysis and Earthquake Damage Prediction of Buildings in Langfang

2012 ◽  
Vol 226-228 ◽  
pp. 1136-1140
Author(s):  
Qiao Yan Li ◽  
Pei Pei Zhao ◽  
Guo Dong Xu
Keyword(s):  
Behavior Analysis ◽  
Urban Area ◽  
Theoretical Basis ◽  
Seismic Behavior ◽  
Seismic Damage ◽  
Existing Buildings ◽  
Seismic Capacity ◽  
Earthquake Disaster ◽  
Damage Prediction ◽  
Disaster Prediction

Ascertaining existing buildings of seismic capacity deficiency is the precondition of strengthening them, which is very important to reduce earthquake disaster in the future. So it is necessary to predict the seismic damage of buildings. This article is the results of earthquake disaster prediction in urban area of Langfang, which is expected to provide a theoretical basis for the buildings in Langfang to defense the earthquake disaster.

Average Damage Ratio and Earthquake Damage Matrix of Non-Engineered Building in Seismogenic Provincial Regions in China

2014 ◽  
Vol 580-583 ◽  
pp. 1667-1675
Author(s):  
Jue Hui Xing ◽  
Ming Lu ◽  
Ya Min Zhao ◽  
Yan Yu
Keyword(s):  
Rural Area ◽  
Earthquake Damage ◽  
Economic Losses ◽  
Building Structures ◽  
Seismic Capacity ◽  
Earthquake Disaster ◽  
Disaster Loss ◽  
Damage Data ◽  
Building Characteristics ◽  
Average Damage

Non-engineered buildings are most of self-built house, which locate in rural area in China. The structural defect of non-engineered buildings could reduce seismic capacity. The damage of these buildings are the main cause of earthquakes casualties and economic losses. The main types of the building structures include the wooden house, soil and wood house, brick and wood house and masonry house. It is the seismogenic provincial regions for Xinjiang, Qinghai, Gansu and Yunnan in China. Based on the four type houses in the four regions, 104 earthquake disaster loss reports were selected from 1990 and 2013. This article focused on the analysis of house damage data. This article proposes "the average damage ratio" concept, which takes one provincial region as an area and studies the whole area data. Due to a combination of multiple and differenteffects of earthquakes within one provincial region, the average damage ratio can be on behalf of the damage ratio, and reflects the non-engineered building characteristics in the provincial region. And then the article demonstrates that the earthquake damage matrix of different house types in these four provinces area. The earthquake damage matrix provides a more reliable basis for the earthquake disaster evaluation in rural area.

Study on the Seismic Performance of Rural Buildings in Beijing Area

2013 ◽  
Vol 353-356 ◽  
pp. 2397-2401
Author(s):  
Cheng Bin Liu ◽  
Ya Ling Ou ◽  
Xing Chen Dong ◽  
Yi Kui Zhang ◽  
Xiang Xiang Zhang ◽  
...  
Keyword(s):  
Seismic Response ◽  
Seismic Performance ◽  
Rural Areas ◽  
Masonry Structure ◽  
Earthquake Damage ◽  
Masonry Structures ◽  
Seismic Capacity ◽  
Beijing Area ◽  
Rural Buildings ◽  
The Subject

Wenchuan earthquake caused huge losses in rural areas. The subject briefly introduced the earthquake damage characteristics of masonry structures, analyzed the earthquake damage reasons. The main purpose is to propose some measures to improve the seismic capacity of rural buildings in Beijing area. Through two seismic fortification measures, can effectively enhance the integrity of the masonry structure, reduce the seismic response, effectively improve the seismic capacity of the structure.

Analyses of the Elastic Modulus Values of Masonry

2012 ◽  
Vol 204-208 ◽  
pp. 889-892
Author(s):  
Yu Shuang Ni ◽  
Wei Jun Yang ◽  
Yao Hua Jiang
Keyword(s):  
Elastic Modulus ◽  
Failure Mechanism ◽  
Poisson’S Ratio ◽  
Masonry Structure ◽  
Brick Masonry ◽  
Poisson's Ratio ◽  
Brick And Mortar ◽  
The Way

Abstract: The elastic modulus values of masonry were studied by using homogenization with microscopic mechanics. The formulate of the elastic modulus of brick masonry were derived from the formulae of the elastic modulus and Poisson’s ratio of brick and mortar. The calculated results according to the methods agreed better with our current national codes and the frequently-used formulas. This has paved the way for the study of the failure mechanism of masonry ,and make the analysis of masonry structure more accurate more and convenient.

Shaking Table Test Analysis of Bottom-Business Multi-Story Masonry Structure in Small and Middle Towns in the Southward

2014 ◽  
Vol 580-583 ◽  
pp. 1463-1466
Author(s):  
Yong Duo Liang ◽  
Xun Guo ◽  
Hua Wei Yi ◽  
Yong Zhen Li ◽  
Jin Zheng Jiang
Keyword(s):  
Shaking Table Test ◽  
Masonry Structure ◽  
Shaking Table ◽  
Earthquake Simulation ◽  
Seismic Capacity ◽  
Test Analysis ◽  
Earthquake Resistant ◽  
Scale Models ◽  
Longitudinal Wall ◽  
Reduced Scale

Bottom-business multi-story masonry structure is widely used in small and middle towns in the southward in China. In the downtown of Beichuan county which affected by Wenchuan earthquake, more than 80% of this kind of building collapsed. But the Apartment of Beichuan Telecommunication Bureau behaved well earthquake resistant capacity with a moderate damage in the earthquake. The obvious difference between this building and others is the setting of winged columns in the front longitudinal wall of the first floor. For proving the influence of these members in the structure seismic capacity, the earthquake simulation shaking table test of 2 1/5 reduced scale models were designed and carried out. The models dynamic response, acceleration, displacement and strain were measured and collected, that model with winged columns behave well was testified. And the reinforcement method of balancing stiffness and increasing ductility is put forward. The results provide a foundation for the retrofitting design of the existing houses.

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