Typhoon- and temperature-induced quasi-static responses of a supertall structure

Abstract Wind loads and the associated load effects on supertall structures are key factors in structural design. In practice, typhoon-induced quasi-static responses measured from the field mix with temperature-induced responses because temperature varies significantly during a typhoon event. The mixed responses complicate the assessment of the wind loading effects and the separation of the two load effects is difficult in practice. In this study, the wind- and temperature-induced quasi-static responses of the 600 m-tall Canton Tower are investigated using a comprehensive long-term structural monitoring system installed on the structure. The structural responses (stresses and displacement) obtained from the field monitoring system during a strong typhoon are presented. The temperature-induced responses are calculated by applying a temperature loading model to the finite element model of the structure. The purely typhoon-induced quasi-static responses are then separated from the total measured responses by subtracting the temperature-induced ones. It shows that the typhoon-induced quasi-static responses of the supertall structure are slightly smaller than the temperature-induced responses in a typical sunny day. The typhoon-induced quasi-static displacement obtained from the field is also compared with the counterpart from the wind tunnel test on an aeroelastic model of the full tower.

[1]  Yong Xia,et al.  Variation of structural vibration characteristics versus non-uniform temperature distribution , 2011 .

[2]  Ahsan Kareem,et al.  Validating wind-induced response of tall buildings : Synopsis of the chicago full-scale monitoring program , 2006 .

[3]  Gangbing Song,et al.  Structural Health Monitoring of a Tall Building during Construction with Fiber Bragg Grating Sensors , 2012, Int. J. Distributed Sens. Networks.

[4]  Tadeusz Chmielewski,et al.  The Stuttgart TV Tower — displacement of the top caused by the effects of sun and wind , 2008 .

[5]  Kevin R. Cooper,et al.  Wind tunnel study of an oscillating tall building , 1995 .

[6]  Young-Moon Kim,et al.  Across-wind responses of an aeroelastic tapered tall building , 2008 .

[7]  J. Peterka,et al.  Aerodynamic Model Tests of Tall Buildings , 1989 .

[8]  Miros Pirner,et al.  Long-time observation of wind and temperature effects on TV towers , 1999 .

[9]  Tso-Chien Pan,et al.  Identifying Loading and Response Mechanisms from Ten Years of Performance Monitoring of a Tall Building , 2008 .

[10]  Ming Gu,et al.  Experimental evaluation of aerodynamic damping of square super high-rise buildings , 2005 .

[11]  Ahsan Kareem,et al.  Dynamic Response of High-Rise Buildings to Stochastic Wind Loads , 1992 .

[12]  Linren Zhou,et al.  Field monitoring and numerical simulation of the thermal actions of a supertall structure , 2017 .

[13]  James M. W. Brownjohn,et al.  Temperature analysis of a long-span suspension bridge based on field monitoring and numerical simulation , 2016 .

[14]  Ming Gu,et al.  Equivalent Static Buffeting Loads on Structures , 2000 .

[15]  Jun Kanda,et al.  Characteristics of aerodynamic forces and pressures on square plan buildings with height variations , 2010 .

[16]  Yi-Qing Ni,et al.  Technology innovation in developing the structural health monitoring system for Guangzhou New TV Tower , 2009 .

[17]  Ting-Hua Yi,et al.  Recent research and applications of GPS‐based monitoring technology for high‐rise structures , 2013 .

[18]  Yi-Qing Ni,et al.  Theoretical and experimental modal analysis of the Guangzhou New TV Tower , 2011 .

[19]  Peng Zhang,et al.  Stress Development of a Supertall Structure during Construction: Field Monitoring and Numerical Analysis , 2011, Comput. Aided Civ. Infrastructure Eng..

[20]  Hyo Seon Park,et al.  Application of GPS to monitoring of wind‐induced responses of high‐rise buildings , 2008 .

[21]  Ming Gu,et al.  Across-wind loads of typical tall buildings , 2004 .

[22]  Peng Zhang,et al.  Deformation monitoring of a super-tall structure using real-time strain data , 2014 .

[23]  Y. Tamura,et al.  Measurement of Wind-induced Response of Buildings using RTK-GPS , 2001 .

[24]  I. Puente,et al.  Effect of ambient temperature on the redistribution of loads during construction of multi-storey concrete structures , 2007 .

[25]  Bo Chen,et al.  Field monitoring and numerical analysis of Tsing Ma Suspension Bridge temperature behavior , 2013 .