Longyu Zhang, Jiming Zhu^*

Structural Durability & Health Monitoring, Vol.16, No.4, pp. 397-416, 2022, DOI:10.32604/sdhm.2022.010397

Abstract To investigate the effect of deep foundation pit excavation on the stability of retaining structure, a subway station in the city of Jinan was selected as a project, and a FLAC3D-based three dimensional model was developed for numerical simulation. The horizontal displacement of the retaining structure, the axial force of the support, and the vertical displacement of the column were studied and compared to the collected data from the field. The findings indicate that when the foundation pit is excavated, the maximum deformation of the retaining structure progressively decreases from the top, the distortion of the retaining structure gradually rises,… More >

Yong-Jun Jang¹, Hag-Beom Kim^1,2, Woo-Sung Jung¹

The International Conference on Computational & Experimental Engineering and Sciences, Vol.11, No.1, pp. 19-26, 2009, DOI:10.3970/icces.2009.011.019

Abstract In this study, fire simulations were performed to analyze the characteristics of the fire driven flow and the effects of the platform screen door on the smoke flow in the station, when the fire occurred in the center of the platform. Soongsil Univ. station (line number 7) was chosen which is the one of the deepest (47m) underground subway stations in the Seoul metro(SMRT). The parallel computational method was employed to compute the heat and mass transfer eqn's with 6 CPUs of the Linux clustering machine. The fire driven flow was simulated using FDS code in which LES method was… More >