03205cas a2200421 a 4500 20260818222317.0 111006s1979 th uu|m rtt 0| a1eng d .b10635166 AIT Thesis no.ST-79-32 Syed, Naeem Ul Haq Statistical determination of design wind velocities for Thailand Bangkok : Asian Institute of Technology, 1979 149 p. Thesis ; no. ST-79-32 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology Thesis (M.Eng.) - Asian Institute of Technology, 1979 This research is carried out in an attempt to derive the design wind velocities for Thailand through a statistical analysis of the available wind data. The design wind velocity for determining the critical stresses in structures is a probability statistic on a suitable function of wind velocity observations. Analysis of wind data suggests that annual extreme velocity observations of meteorological stations over a number of years provide the best available series. The observation stations all over Thailand have been grouped into five regions, i . e. North, North East, Central, East and South Thailand as classified by Meteorological Department. Power law is used to reduce the data for each station to gradient height, using the appropriate gradient height and power law exponent according to topography and surface roughness of the region. The famous Fisher-Tippet Type I distribution for extreme values is used for the probabilistic analysis of the data. From this analysis a linear equation is derived by the method of least squares to give the gradient velocity for any desired return period. Design wind velocities for each station are calculated for each station and velocity profiles are drawn for return periods of 100, 200, 300 and 400 years. Wind pressure Statistics Buildings Aerodynamics Pichai Nimityongskul, Chairperson Worsak Kanok-Nukulchai, Examination Committee Kawaguchi, Masahiro, Examination Committee Belgium Government, Scholarship Donor Asian Institute of Technology. Thesis ; no. ST-79-32 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B22351 .b10635166 mnait u 250626 2 951012 m a u 0 mnait mnait mnarc 20 40 Barcode : 30050003079091 CREATED : 1995-10-16 RECORD # : i10813664 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050003079109 CREATED : 1995-10-16 RECORD # : i10813676 LPATRON : 1015587 LCHKIN : 2003-08-19 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 1 TOT RENEW : 0 Barcode : 30050160014048 CREATED : 2016-03-30 RECORD # : i1291504x LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 111831 111831 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no.ST-79-32 30050003079091 2026-08-18 22:23:17 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no.ST-79-32 30050003079109 2026-08-18 22:23:17 2 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no.ST-79-32 30050160014048 2026-08-18 22:23:17 1 2026-08-18 40