| Title |
A Study on the Distribution of Wind Pressure Coefficient in Green House |
| Authors |
Paek Sun-Young ; Cho Seul-Gi ; You Ki-Pyo ; Kim Young-Moon |
| Keywords |
Wind Tunnel Test ; Wind Pressure Coefficients ; Green House |
| Abstract |
Every year rural facilities are damaged by natural disasters in Korea, and among them, green houses take about 90%. In order to reduce the damage, it is urgent to evaluate the structural safety of rural facilities and various studies are being made at home and overseas. Thus, this study conducted a wind tunnel experiment on green houses built according to domestic standards, and obtained the distribution of wind pressure coefficient. In the results of the wind tunnel experiment, the wind pressure coefficient was highest on the roof surface. On the roof surface, the minimum wind pressure coefficient at the edge of the entrance and the middle part was around 30%～40% higher than that at the edge of the lateral walls. As to variation according to the roof height and width of green houses, roof height was found to have a significant effect. In House 1 and House 6, between which roof height was different by around 34%, the minimum wind pressure coefficient was higher by up to 2 times at the upper part of the entrance than at the lower part. In the results of experiment on the variation of wind pressure coefficient according to wind angle, the variation was large on the roof surface and lateral walls. The inclination (20°) of lateral walls recommended by the standards for green houses was not much advantageous over 0°. |