RECENT ADVANCES IN WIND ENGINEERING

Transcription

1 RECENT ADVANCES IN WIND ENGINEERING PROCEEDINGS OF THE SECOND ASIA-PACIFIC SYMPOSIUM ON WIND ENGINEERING, BEIJING, CHINA, JUNE 26-29, 1989 VOLUME 1 EDITED BY T.F-Sun UNIVERSITATCCiCUOTHtK ; ^ inform ATiOf M;.;;J! SLJOTKUK INTERNATIONAL ACADEMIC PUBLISHERS A Pergamon-CNI'IEC Joint Venture PERGAMON PRESS OXFORD NEW YORK BEIJING FRANKFURT SAO PAULO SYDNEY TOKYO TORONTO

2 Contents Volume 1 PART 1 GENERAL REVIEW LECTURES Physical Modeling of Atmospheric Dispersion for Air-Pollution 3 Studies J. E. Cermak Proposed New International (ISO) Wind Load Standard 16 A. G. Davenport Codification of Wind-Resistant Design with Particular 17 Reference to Bridge Codes M. Ito Solution and Working Methods in Industrial Aerodynamics 27 C. Kramer Wind Effects on Curved Roofs 39 P. Krishna Wind Loading on Low Rise Buildings 54 B. E. Lee Bluff Body Aerodynamics: Review Lecture 65 W. H. Melbourne Wind-Excited Dynamics of Bridges: A Critical Review 77 R. H. Scanlan Recent Wind Engineering Research in China 9 T. F. Sun, E. J. Cui, S. P. Liu PART 2 CONTRIBUTED PAPERS WIND CHARACTERISTICS Regional Analysis of Extreme Winds E. D. H. Cheng, A. N. L. Chiu Study of Wind Speed Characteristics Y. Shi, W. Lu Probabilistic Models for Cyclonic Wind Speeds in India 123 J. Shanmugasundaram, G. Annamalai, B. Venkateswarlu 115 -lx-

3 Seme Characteristics of Typhoon Velocity Changes at Different 131 Heights in Medium and Small Cities Z. C. Deng, L. M. Zhou A Study of Typhoon Spectrum 139 P. Tian, L. Feng, Q. Ye, Z. Y. Huang, M. F. Shi A New Wind Spectrum and Its Application in Computation 147 of Wind-Induced Vibration of High Rise Buildings Yj X. Liu, Y. R. Feng Preparation of Local Wind Probability Data 155 R. M. Aynsley, M. C. Spruill Forecast and Variation Characteristic of Wind Over Mountain 163 Area R. Z. Zhu, Y. Q. Liu An Analysis of Wind Direction Correlation on the Assessment 171 of Atmospheric Environment H. T. Yi Models and Methods for the Estimation of Basic Design 179 Wind Speeds in Korea H. N. Cho, D. I. Chang Observational Analysis of Flow Fields in a Valley 187 J. G. Sang, J. Y. Chen, H. Y. Yao Computer Simulation of Wind Flow Over Steep Hills 194 R. P. Selvam, J. Smith A Numerical Model of Near Ground Winds Over Complex 202 Terrain F. D. Mai, Y. Lo The Response of Turbulent Boundary Layer Over a Plate 210 to Step Changes in Surface Roughness J. Xuan, T. F. Sun Wind Tunnel Study on Wind Flow Profile Over a Building 218 J. Kanda, H. Choi Spectral Characteristics of Surface Layer Turbulence when 226 Mountain-Valley Flow is Dominant in Basin Z. Q. Yao Investigation of the Wind-Parameter Over the Bohai Liaodong 234 Bay S. Song, S. L. Wu, Y. P. Zhao, B. C. Zhang, Y. L. Chen -x- 1

4 BLUFF BODY AERODYNAMICS Wind Tunnel Study on Two Dimensional Rough Circular Cylinders 241 in Subcritical and Transcritical Turbulent Flow H. Zhang, W. H. Melbourne Across-Flow Response of Flexible Circular Cylindrical Structures 249 Due to Vortex Shedding M. B. Ahmad, S. Ahmad, N. A. Khan Vortex Shedding from Bodies of Finite Length in Smooth 257 and Turbulent Flows R. H. Barnard, Q. Y. Zhuang Computation of Drag Coefficient and Wind Pressure Distribution 265 Around Building N. R. Mo A Numerical Study on Separated Flows About Two Dimensional 270 Bodies H. D. Ma, F. Q. Zhang Critical Geometry of Oscillating Rectangular and D-Section 278 Cylinders Y. Nakamura, K. Hirata Numerical Study of Vortex Structures and Force Characteristics 285 for Flow Around Bluff Body Z. C. Liu Interference Effects on the Wind Pressure Distribution on 293 a Tall Prismatic Body in Tandem Arrangement B. H. L. Gowda, M. M. Sitheeq The Aerodynamic Forces Acting on Three Rectangular Cylinders 300 Arranged in Separated "Y" Shape Z. F. Gu, Q. Xie, T. F. Sun Numerical Simulation of the Flow Around Rectangular Cylinder 308 by the Improved Finite Analytic Method Z. L. Jiang, E. J. Cui Instability Characteristics of Separated Shear Layers and 316 Vortex Excitation of Bluff Bodies A. Miyake, T. Yoshimura, M. Makino Numerical Simulation of Turbulent Flow Around Buildings 324 J. R. Fan, X. H. Wu, J. Jin Measurement of Sectional Lift Forces on an Oscillating 332 Cylinder H. M. Blackburn, W. H. Melbourne -xi-

5 The Effects of Turbulence on the Aerodynamic Properties 340 of Two-Dimensional Rectangular Cylinders r. W. Sun Chaotic Behavior of Galloping Oscillators 348 T. J. Burns, G. R. Cook, E. Simiu An Investigation of Wind-Induced Ovailing-Oscillation of 356 Thin-Walled Cylinders H. T. Low, B. T. Tan Codification of Vortex-Excited Vibrations 362 H. Ruschewe'yh A Study on the Aerostatic and Aerodynamic Characteristics 373 of an H-Shaped Slender Member and Its Modified Shapes IT. j. Chen, X. Z. Yu, J. M. Yin Tuned Liquid Damper (TLD) for Suppressing Wind-Induced 380 Vibration of Structures 2*. M. Sun, P. Chaiseri, B. M. Pachec.o, Y. Fujino, M. Isobe WIND EFFECTS ON BUILDINGS AND STRUCTURES ( I ) Force and Torsional Moment Coefficients for Unusual Shaped 391 Buildings E. C. C. Choi Designing for Building Dynamic Serviceability unaer Wind 399 Loading P. Cenek, S. George, J. Wood Experimental Measurement of Mean Pressure on the International 407 Building of Guangdong in Boundary Layer Wind Tunnel H. L. Xue, J. C. Lu, J. X. Lin Reference Pressure for Wind-Pressure Measurements on 415 Prototype Buildings A Constant-Pressure Method H. Liu, M. Fahrtash Comparison of Full-Scale Wind Pressure Measurements on 422 Buildings with Codified Values If. J. Jamieson The Effects of Wind Profile on Wind Load for a Circular Building Y. T. Chew The Spatial Correlation and Power Spectrum of Fluctuating 439 Wind Pressure on Tall Building Wall X. Y. Jin 431 -xii-

6 Interference Effects on Tall Buildings 446 nyi K. C. S. Kwok Effect of Interference Between Two Prismatic Buildings 454 on Wind Loads S. K. Pathak, A. K. Ahuja, S. A. Mir High Wind Pressure on a Canopy or Podium Roof Around 462 the Base of a Tall Building J. C. K. Cheung Field Measurements of Wind Induced Pressures 469 K. C. Mehta, M. Levitan Full-Scale, Model-Scale and Computational Comparisons 477 of Wind Loads on the Silsoe Structures Building R. P. Hoxey, A. P. Robertson, P. J. Richards The Wind Tunnel Study of Wind Loading on the Roof of Beijing Swimming Stadium Z. F. Gu, R. S. Lin Vibration-Induced Wind Pressure on Large Span Flat Roof and Its Application T. Ohkuma, H. Marukawa Wind Action on Hip and Cable Roofs D. Meecham, D. Surry, A. G. Davenport Some Steps Towards Development of Low-Cost Typhoon-Resistant Housing in the Asia-Pacific Region G. N. Boughton, R. Chavez Jr. Pressure Distributions on Shade Houses P. J. Richards, P. J. Shepard, P. Maharaj A Case Study on Wind Loads on a Jamaican Low-Rise Building Q. D. Wei, T. C. E. Ho, A. G. Davenport Wind Effects of New Rubber and Plastic Roofing Membranes D. L. Roodvoets Wind Loading on Loosely Laid Pavers and Flat Roofs Boards for Flat Roofs H. J. Gerhardt, C. Kramer, K. K. Bofah An Experimental Study on the Aerodynamic and Heat-Proof Characters of the Catch-Wind Double-Deck Ventilating Roof (CWDDVR) Z. K. Chen, G. F. Tang, G. Y. Li Discharge Coefficients and Internal Pressures in Well-Ventilated Buildings B. J. Vickery, C. Karakatsanis -xiii

7 Experimental Study on Wind Pressure and Air Flow Around 568 a Dwelling House with Arboreal Hedges J. Tsutsumi, T. Katayama, T. Hayashi, Q. Y. Zhang, H. Xue Fatigue Characteristics of Wind Loads on Roof Cladding 576 E. D. Jancauskas, G. R. Walker, M. Mahendran An Analysis of Dynamic Reliability of Tall Buildings under 584 Omnidirectional Wind Action S. G. Liang, G. Q. Li -xiv-