Journal of Korean Tunnelling and Underground Space Association (한국터널지하공간학회 논문집)

Korean Tunnelling and Underground Space Association (한국터널지하공간학회)
권호 표지
DOI QR코드

DOI QR Code

A comparative study on dynamic behavior of high-rise building and low-rise building considering SSI analysis

SSI 해석을 고려한 초고층 및 저층 건물 동적거동 비교 연구

  • You, Kwang-Ho (Dept. of Civil and Environmental Engineering, University of Suwon) ;
  • Kim, Seung-Jin (Dept. of Civil and Environmental Engineering, University of Suwon)
  • 유광호 (수원대학교 건설환경공학과) ;
  • 김승진 (수원대학교 건설환경공학과)
  • Received : 2018.08.22
  • Accepted : 2018.10.17
  • Published : 2018.11.30
Download PDF
⟨ Previous Next ⟩

Abstract

Most of the previous seismic analyses have been carried out by separating the ground and structures, and there is a lack of comparative study on the dynamic behavior of high-rise and low-rise buildings. Therefore, in this study, the sensitivity analysis was performed with selected parameters by using a finite element analysis program in order to grasp the dynamic behavior of high-rise and low-rise buildings. As a result, it was turned out that the horizontal displacement, the interstory drift ratio, and the bending stress of a high-rise building were more affected by a long seismic wave than a low-rise buildings. Also, the weak parts of a high-rise and low-rise building were more affected by type of seismic wave than the ground conditions. Therefore, it is inferred that it will be helpful for seismic designs to consider the influence of ground conditions and seismic wave type on buildings.

대부분의 기존 내진해석은 지반과 구조물을 각각 구분하여 수행되었고, 초고층 건물과 저층 건물에 대한 동적거동 비교 연구가 부족한 실정이다. 따라서 본 연구에서는 초고층 건물과 저층 건물의 동적거동을 파악하기 위하여 유한요소해석 프로그램을 이용하여 선정된 파라미터별로 민감도 분석을 실시하였다. 연구 결과, 초고층 건물의 수평변위, 층간변위비, 휨응력은 지반조건이 연약할수록, 저층 건물보다 장주기 지진파의 영향을 더 받는것으로 나타났다. 또한 초고층과 저층 건물의 취약부는 지반조건보다는 지진파의 종류의 영향이 더 큰 것으로 나타났다. 따라서 지반조건 및 지진파 종류가 건물에 미치는 영향을 참고하면 건물의 내진설계에 도움이 될 것으로 판단된다.

Keywords

TNTNB3_2018_v20n6_973_f0001.png 이미지

Fig. 1. The analysis sections of interest structures

TNTNB3_2018_v20n6_973_f0002.png 이미지

Fig. 2. Input seismic wave with PGA 0.22 g (Kocaeli earthquake wave)

TNTNB3_2018_v20n6_973_f0003.png 이미지

Fig. 3. The comparison of pure horizontal displacement history distribution according to type of seismic wave(PGA 0.154 g, Sb1)

TNTNB3_2018_v20n6_973_f0004.png 이미지

Fig. 4. The distribution of interstory drift ratio of buildings (PGA 0.154 g, Sb1)

TNTNB3_2018_v20n6_973_f0005.png 이미지

Fig. 5. Maximum compressive bending stress of structural member according to ground type (PGA 0.154 g,dytime 35, 36 sec)

TNTNB3_2018_v20n6_973_f0006.png 이미지

Fig. 6. Maximum tensile bending stress of structural member according to seismic wave type (PGA 0.154 g, dytime 35, 36 sec)

TNTNB3_2018_v20n6_973_f0007.png 이미지

Fig. 7. Bending stress distributions of high-rise building (dytime 35 sec, PGA 0.154 g)

TNTNB3_2018_v20n6_973_f0008.png 이미지

Fig. 8. Bending stress distributions of low-rise building (dytime 36 sec, PGA 0.154 g)

Table 1. Parameters applied to dynamic analysis

TNTNB3_2018_v20n6_973_t0001.png 이미지

Table 2. Ground properties

TNTNB3_2018_v20n6_973_t0002.png 이미지

Table 3. Properties of building structural members

TNTNB3_2018_v20n6_973_t0003.png 이미지

Table 4. The estimation results of modulus of subgrade reaction and coefficient of viscosity boundary

TNTNB3_2018_v20n6_973_t0004.png 이미지

Table 5. Building’s eigenvalue period

TNTNB3_2018_v20n6_973_t0005.png 이미지

Table 6. The comparison of maximum pure horizontal displacement depending on type of building

TNTNB3_2018_v20n6_973_t0006.png 이미지

Table 7. The maximum bending stress of buildings (dytime at 35, 36 seconds)

TNTNB3_2018_v20n6_973_t0007.png 이미지

References

  1. Architectural Institute of Korea (2009), Korea building code, pp. 527.
  2. Jung, H.C., Jung, J.S., Kim, S.G., Lee, B.G., Lee, K.S. (2017), "Middle.low layer RC school building by the Gyeongju earthquake damage analysis", Proceedings of the 2017 Spring Conference of the Architectural Institute of Korea, JeJu,, Vol. 37, No. 1, pp. 627-628.
  3. Kim, D.G. (2013), Dynamics of structures, Goomibook, Seoul, pp. 779.
  4. Kim, Y.M., Jeong, S.S., Kim, K.Y., Lee, Y.H. (2011), "A study on the dynamic behavior of vertical shaft in multi-layered soil", Journal of the Korean Society of Civil Engineers, Vol. 31, No. 4, pp. 109-116.
  5. Lysmer, J., Kuhlemeyer, R.L. (1969), "Finite dynamic model for infinite media", Journal of the Engineering Mechanics Division, ASCE, Vol. 95, No. 4, pp. 859-877.
  6. Lysmer, J., Udaka, T., Tsai, C., Seed, H.B. (1975), FLUSH: A computer program for approximate 3-D analysis of soil-structure interaction problems, Rep. No. EERC 75-30, University of California, Berkeley, California, pp. 276.
  7. Lysmer, J., Tabatabaie-Raissi, R., Tajirian, F., Vahdani, S., Ostadan, F. (1981), SASSI: A system for analysis of soil-structure interaction, Rep. No. UBC/GT/81-02, University of California, Berkeley, California, pp. 54.
  8. MIDAS Information Technology Co. (2012), MIDAS civil user manual, MIDAS Information Technology Co., Korea, pp. 551.
  9. Ministry of Land, Infrastructure and Transport (2016), Concrete standard specification, pp. 358.
  10. National Disaster Management Research Institute (2012), Development of the public buildings emergency integrity assessment technology using seismic acceleration response signal, National Disaster Management Research Institute, pp. 304.
  11. Seoul Metropolitan Government (2006), Ground investigation manual, Seoul Metropolitan Government, pp. 130.
  12. Sun, C.G. (2017), "Seismological and geotechnical characteristics of the 12 september 2016 Gyeongju earthquake", The Magazine of The KSCE, Vol. 65, No. 4, pp. 14-19.
  13. University of Suwon (2017), Development of a behavior prediction model by interaction of underground complex facilities for ground vibration, The 2016 Commission Research Report of Multi-Disaster Countermeasures Organization, Korea Institute of Civil Engineering and Building Technology, pp. 133.
  14. You, K.H., Kim, S.J. (2018), "A validity study on SSI analysis by comparing the complete system model and the underground structure fixed-end model", Journal of Korean Tunnelling and Underground Space Association, Vol. 20, No. 5, pp. 757-772. https://doi.org/10.9711/KTAJ.2018.20.5.757
  15. You, K.H., Park, Y.J., Hong, K.Y., Lee, H.K., Kim, J.K. (2005), "Numerical estimation for safety factors of tunnels considering the failure of supports", Journal of Korean Tunnelling and Underground Space Association, Vol. 7, No. 1, pp. 37-49.