نتایج جستجو برای: structural retrofitting

تعداد نتایج: 396431  

2017
Kai Chen Zhiwei Miao Aiqun Li

Received: December 19, 2016 Revised: February 06, 2017 Accepted: March 20, 2017 Abstract: Introduction: Seismic isolation has been proven to be an efficient approach to seismic retrofitting of structures based on the concept of reducing the seismic forces by lengthening the structural fundamental vibration period. However, superstructures may collide with each other under seismic excitation as ...

Journal: :Studies in health technology and informatics 2017
Zhiguo Yu Byron C. Wallace Todd R. Johnson Trevor Cohen

Estimation of semantic similarity and relatedness between biomedical concepts has utility for many informatics applications. Automated methods fall into two categories: methods based on distributional statistics drawn from text corpora, and methods using the structure of existing knowledge resources. Methods in the former category disregard taxonomic structure, while those in the latter fail to...

Seismic rehabilitation provides existing buildings with more resistance to seismic activity, ground motion, or geotechnical failure due to earthquakes. Performance-based rehabilitation is a general concept through which the retrofitting criteria are defined regarding to performance objectives when the structural and nonstructural members are subject to different levels of earthquake hazards. In...

2013
Yasutoshi Shimizu

As part of measures being taken against global warming, the reduction of CO2 emissions by retrofitting for water-saving fittings in homes is spreading throughout the world. However, although this retrofitting reduces the environmental impact at the use stage, it generates new impacts at the production and disposal stages. In addition, there has been little research that discusses the reduction ...

2012
Christis Z. Chrysostomou

A large number of researchers have studied the behavior of infilled frames. It is evident through their studies that infill walls can provide both an economic and practical means for the lateral stability of framed structures and a viable alternative for retrofitting existing structures to resist seismic, wind, and blast loads. Despite this, there is reluctance from the engineering community to...

2012
Arnar Bjorn Bjornsson John F. Hall Swaminathan Krishnan

A case study of retrofitting a 20-story pre-Northridge steel moment-frame building is presented. Twelve retrofit 4 schemes are developed with varying degrees of intervention. Three retrofitting techniques are considered: up5 grading the brittle beam-to-column moment resisting connections, and implementing either conventional or 6 buckling-restrained brace elements within the existing moment-fra...

Journal: :Journal of agricultural safety and health 2004
L Day G Rechnitzer

This article reports on the implementation of published guidelines for retrofitting tractors with safe access platforms, which were developed to reduce the risk of serious injuries and deaths associated with mounting and dismounting. Farmer interviews and engineering-based inspections of ten retrofitted tractors were conducted to gather information regarding benefits and disadvantages of the re...

2015
Manish Kumar

Reinforced cement concrete is getting extensively used for construction of different type of structures for the last one century. During this period, we have constructed many structures like buildings, bridges, industrial structures, pavement, water tanks etc. using this construction material. These structures have been created with huge investment of resources. It is essential to maintain thos...

Journal: :Aij Journal of Technology and Design 2023

In recent years, there are a lot of wooden houses that is needed seismic retrofitting. We have developed lattice bearing wall suitable for retrofitting tenement style house. It made 12mm structural plywood laid diagonally transparency and ventilation. this study, the performance clarified we proposed simple analysis model as result. was could accurately estimate wall.

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