scholarly journals Automatic generation of smart earthquake-resistant building system: Hybrid system of base-isolation and building-connection

Heliyon ◽  
2016 ◽  
Vol 2 (2) ◽  
pp. e00069 ◽  
Author(s):  
M. Kasagi ◽  
K. Fujita ◽  
M. Tsuji ◽  
I. Takewaki
2011 ◽  
Vol 7 (1) ◽  
pp. 37
Author(s):  
Inggemar Särfors

The investigation of foundation on tires for absorbing the earthquake energy on houses structure is described here. The foundations are cut cone in shape. There are two tests have been conducted to investigate the shaking energy absorption. First, the foundation is placed on the sand filled tire. The second one, the double tires support round foundation. For comparison purpose, the foundation on sand test without tire is also conducted. The laboratory tests are performed using double hydraulic jack to generate the applied loads. The first jack is used to give the vertical load on the top of foundation to simulate the house load. The other jack is used to produce the load in the horizontal direction to replicate the earthquake load. The results of the tests are plotted in the terms of horizontal load and displacement corves. The double tires foundation shows the higher horizontal displacement-load ratio compared to the others. It indicates that the double tire based foundation absorbing the earthquake energy better than the others. It is concluded that the tired based foundation can be installed to support in the earthquake resistant houses. Keywords: foundation, earthquake resistance, base isolation


2018 ◽  
Vol 11 (1) ◽  
pp. 163-194 ◽  
Author(s):  
B. V. S. Acharyulu ◽  
Prakash Kumar Hota ◽  
Banaja Mohanty

2014 ◽  
Vol 983 ◽  
pp. 396-399
Author(s):  
Mochida Yasuhide ◽  
Hanumantharayappa Yashwanth

The characteristic methods involved in underpinning construction are studied in this research. The analysis of the structure is performed with respect to the geotechnical risk and possible retrofitting techniques. In the past several decades, a number of studies mainly focused on base isolation techniques to preserve the structure, but the merits of underpinning technique, geotechnical risk involved, temporary support for safety measures and cost ratio induced were unexpressed. The second generation of research evaluates the measure to reduce ground risk with characterization methods and detailed quality check through construction management system. Current research has pointed out the crucial features of underpinning construction process and its scope in restricted locations and geotechnical perils.


Author(s):  
R. G. Tyler

Simulated dynamic tests in shear on laminated rubber bearings are described. The purpose of the tests was to check the performance of the bearings when used as mounts for base isolating buildings against earthquake attack. Over 1,000 cycles were applied to the bearings, mostly at
 50% shear strain at a frequency in the range 0.2 to 0.9Hz. Values of damping were checked by carrying out separate torsional oscillation tests. It is concluded that the bearings are suitable for use in the dynamic mode for the purpose of achieving base isolation in earthquake resistant buildings. Damping is likely to be 2 to 3% of critical. Possibly greater values occur at faster speeds and under cold conditions. The use of separate lead or steel damping elements to prevent the build-up of damaging horizontal oscillations is considered necessary.


2016 ◽  
Vol 23 (1) ◽  
pp. 47-50 ◽  
Author(s):  
Lyn D. English ◽  
Donna T. King

Contributors to the iSTEM (Integrating Science, Technology, Engineering, and Mathematics) department share ideas and activities that stimulate student interest in the integrated fields of science, technology, engineering, and mathematics (STEM) in K–grade 6 classrooms. This article is a comprehensive Earthquake Engineering activity that includes the Designing an earthquake-resistant building problem. The task was implemented in sixth-grade classes (10–11-year-olds). Students applied engineering design processes and their understanding of cross-bracing, tapered geometry, and base isolation to create numerous structures, which they tested on a “shaker table.”


2021 ◽  
Vol 2129 (1) ◽  
pp. 012061
Author(s):  
Izzati Azmin ◽  
Umar Kassim

Abstract Hybrid System method is one of the technology implements in Industrialised Building System (IBS). Methods has been acquaint in many ways in order to improve Industrialised Building System (IBS) in Malaysia. Other country such as United Kingdom also have used the term Hybrid for their concrete process known as Hybrid Concrete Construction (HCC). While in Malaysia, Hybrid System comes with a method that combines one component with two different method which are the precast component and cast-in situ method. This two combination method has called a Hybrid System method and started implements by Jabatan Kerja Raya (JKR) for mostly a government projects in Kedah state in Malaysia on 2017. Industrialised Building System has been well known as a fast completion, saving cost, and less labour needed in construction. However, the issues by using Hybrid System method has double up the time completion, splurging the cost, and enlarge the labour since it needs to cast-in situ the components, let the concrete cured and more material usage. The significance of study for this research is the new method of IBS Hybrid System is a pilot project in Kedah by JKR. Thus, this research is to control the delay involves in projects that apply IBS Hybrid System. Hence, this paper is to identify the advantages of using Hybrid System method in Industrialised Building System (IBS).


Author(s):  
Prashika Tamang ◽  
◽  
Bijay Kumar Gupta ◽  
Bidisha Rai ◽  
Karsang Chukey Bhutia ◽  
...  

From the beginning of life on Earth it is evident that natural catastrophes cause a lot of destruction to human life and property. One of the major natural phenomena is the Earthquake. Sudden shaking of ground is a difficult challenge to any structure standing on earth. Due to Improper design of the structure without seismic resistance many buildings have collapsed and lives have lost during earthquakes. Different shapes & materials of buildings have been used to achieve the strength required to withstand the earthquake. In modern era, lots of seismic force resisting techniques are being used to make a structure/building earthquake resistant. These techniques include introducing Shear walls, Bracings, base isolation, column jacketing etc. to enhance the structure. In this paper, I present a Comparative analysis of earthquake resisting techniques on a G+10 story building with the help of different types of Shear walls & Bracings, using software. The comparison is done between: an un-Resisting structure, parallel shear walls, L-shaped shear wall, diagonal bracings, X-shaped bracings & Vshaped bracings. The use of shear walls and bracings helps to strengthen then structure to make it more Earthquake resistant. The analysis in done on a G+10 building for seismic zone III as per IS 1893:2002 codal provisions. The software that I have used to carry out this analysis is Staad pro v8. It is found out that shear walls and bracing contribute largely in reducing the deflection by increasing the strength and stiffness of the building. The results of this project can further be used to enhance the seismic strength of buildings using combination of seismic resistance techniques.


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