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플로팅 궤도 슬래브-방진장치의 펀칭전단 안정성 및 피로응력 해석
박성재(Sung-Jae Park),마창남(Chang-Nam Ma),박명균(Myung-Gyun Park),이두화(Du-Hwa Lee),조수익(Su-Ik Jo) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
Railway has been pointed to the efficiency of transportation, rapid transit, and comfortable train ride. the construction of railway near the downtown area and station building are increasing for maximization of utilization and convenience. but the heavy of transportation and rapid transit lead to increase noise and vibration. The noise and vibration of railway may cause the civil appeal, decline in the serviceability and insufficiency of environmental standard. In this study, floating slab vibration and repeated connection of devices to support joints and fatigue stress analysis of punching shear performance review was conducted to evaluate the safety.
박성재(Sung-Jae Park),마창남(Chang-Nam Ma),박명균(Myung-Gyun Park),이두화(Du-Hwa Lee),조수익(Su-Ik Jo) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
Recently the construction of railway sections passing the central area of cities and stations under railway lines are increasing, and then it is urgently required to take the countermeasures against the railway vibration and the second-phase noise radiated from it. The most efficient countermeasure, out of technologies developed up to now, is the floating slab track which is the track system isolated from the sub-structure by springs. In other countries, the source technologies for anti-vibration design and vibration isolator - one of key components - have been developed and many installation experiences have been accumulated. However, in Korea, since the system design technology and technologies for key components are not yet developed, the foreign system are being introduced without any adjustment, and the key component, vibration isolator, depends on imports. In this study, floating slab was divided into three spans, kdynamic use by examining reactions and member forces was to ensure safety.