同位素的使用对受地震影响的高层建筑的自然时期的影响

Rahmi Oktavia Cahyani, Ansadilla Niar Sitanggang
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引用次数: 1

摘要

强地震是一种释放出非常强烈的能量的地震,强度超过里氏5级,导致建筑物振动一段时间。建筑物的自然周期是指当地震发生时建筑物震动的时间长度,直到地震停止,导致建筑物有损坏甚至倒塌的危险。倒塌的建筑物之一是由于建筑物的自然周期短,因此建筑物无法承受地震引起的最大振动。为了在地震中最大限度地减少建筑物倒塌的风险,其中一家公司正在计划通过使用基础隔离器来建造抗震建筑,以增加结构的周期,从而能够吸收振动并减缓受地震激发的建筑物的运动。本研究的目的是确定建筑物的自然周期和地震发生时使用基础隔震器的效果。本研究采用的方法是对无基础隔振器和有基础隔振器的建筑进行规划,并使用SAP2000 v.14辅助程序进行分析。研究结果表明,安装基础隔振器的建筑物在X方向上的自然周期增加1.59倍,在Y方向上的自然周期增加1.63倍。根据三次地震记录,这种影响是在这段时间内结构的位移减少了66%,46%和41%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efek Penggunaan Base Isolator Terhadap Periode Natural Bangunan Gedung Bertingkat yang Tereksitasi oleh Gempa
A strong earthquake is an earthquake that emits very strong energy with a strength of more than 5 on the Richter scale that causes buildings to vibrate for some time. The natural period of the building is the length of time the building vibrates when the earthquake occurs until the earthquake stops which results in the risk of damage and even collapse of the building. One of the buildings that experienced the collapse was due to having a small natural period of the building so that the building was unable to withstand the vibrations caused by the earthquake to the maximum. To minimize the risk of collapse in buildings during an earthquake, one of them is planning an earthquake-resistant building by using a base isolator in order to increase the period of the structure so that it is able to soak up vibrations and slow down the movement of buildings that are excited by the earthquake. The purpose of this study was to determine the natural period of the building and the effect of using a base isolator when an earthquake occurred. The method used in this study is to plan buildings without base isolators and buildings with base isolators and analyze using the SAP2000 v.14 auxiliary program. The results of this study showed that the natural period of the building with Base Isolator in 3D increased 1.59 times for the X direction and 1.63 times for the Y direction. And the effect was a decrease in the displacement of the structure for the period by 66%, 46%, and 41% based on the three earthquake records.
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