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http://dx.doi.org/10.5762/KAIS.2019.20.1.426

A Study on the Plastic deformation Absorption Characteristics of Aluminum-Polyethylene Composite Structure Sprinkler Pipe  

Kim, Jun-Gon (Department of Port Logistics System, TongMyong University)
Kim, Kwang-Beom (Technical Laboratory, MISUNG Co., Ltd)
Noh, Sung-Yeo (Department of Port Logistics System, TongMyong University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.1, 2019 , pp. 426-433 More about this Journal
Abstract
After an earthquake, fire and gas explosions are more likely to cause more casualties in cities with many apartment buildings and large complex buildings. In order to prevent this, seismic design is necessary for the fire protection sprinkler system. However, most systems currently use stainless-steel pipes, although synthetic resin pipes are used in some special places. These materials are susceptible to vibration and earthquakes. This study evaluated the displacement absorption flexibility of polyethylene (PE) and aluminum (Al) multi-layered composite pipes to increase the seismic performance in a vibration environment and during earthquakes. The seismic performance was compared with that of a stainless-steel and PE pipes. The seismic characteristics can be measured by measuring the amount and extent of vibration transmitted by the sprinkler pipe. This method can be used to judge the seismic characteristics to attenuate the vibration during an earthquake. The seismic characteristics of the pipe were verified by comparing the logarithmic attenuation rate to the initial response displacement of the vibration generated by the transverse vibration measurement method.
Keywords
Deformation absorption; Fittings; Piping; Seismic Design; Sprinkler;
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