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（1 武漢市建設(shè)工程設(shè)計(jì)審查辦公室， 武漢 430015；2 湖南大學(xué)土木工程學(xué)院， 長(zhǎng)沙 410082；3 武漢開(kāi)發(fā)投資有限公司， 武漢 430015； 4 香港城市大學(xué)建筑學(xué)及土木工程學(xué)系， 香港 999077）

［摘要］在邊界層風(fēng)洞中完成了測(cè)壓管長(zhǎng)分別為0-6，0-8，1-0，1-2，1-5m的矩形截面高層建筑剛性模型的同步測(cè)壓試驗(yàn)。研究了不考慮測(cè)壓管道系統(tǒng)修正時(shí)，測(cè)壓管道長(zhǎng)度對(duì)建筑表面風(fēng)壓特性及脈動(dòng)風(fēng)壓相關(guān)性的影響。結(jié)果表明：測(cè)壓管道的長(zhǎng)短對(duì)平均風(fēng)壓系數(shù)影響較小，但對(duì)脈動(dòng)風(fēng)壓的影響較大，脈動(dòng)風(fēng)壓系數(shù)在迎風(fēng)面的偏差在5%以?xún)?nèi)，在背風(fēng)面的偏差在10%左右，在側(cè)風(fēng)面的偏差最大為15%～30%；對(duì)側(cè)風(fēng)面上風(fēng)向的風(fēng)壓極值影響較為明顯，尤其是2/3高度以上，隨著測(cè)壓管長(zhǎng)的增大，側(cè)風(fēng)面上風(fēng)向風(fēng)壓極值的最小值逐漸沿高度下移；測(cè)壓管長(zhǎng)對(duì)迎風(fēng)面測(cè)點(diǎn)豎向相關(guān)性影響較小，側(cè)風(fēng)面測(cè)點(diǎn)風(fēng)壓相關(guān)性隨測(cè)壓管長(zhǎng)的增大而增大，而背風(fēng)面測(cè)點(diǎn)豎向相關(guān)性隨測(cè)壓管長(zhǎng)的增大而減小。

［關(guān)鍵詞］高層建筑； 風(fēng)洞試驗(yàn)； 風(fēng)壓特性； 測(cè)壓管道系統(tǒng)； 相關(guān)性

中圖分類(lèi)號(hào)：TU247-1，TU973-32文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2016)23-0035-07

Study on effect of pressure measurement tubing systems on wind pressure characteristics of high-rise building

Wu Xue1,2, Hu Hao3, Li Qiusheng2，4

(1 Wuhan Bureau of Civil Engineering Design Examination, Wuhan 430015, China; 2 School of Civil Engineering, Hunan University, Changsha 410082, China;  3 Wuhan Development and Investment Co., Ltd., Wuhan 430015, China; 4 Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong 999077, China)

Abstract:Simultaneous pressure measurement tests on the rigid model of the tall building with rectangular cross-section were carried out in a boundary layer wind tunnel in which pressure measurement tube lengths are 0-6, 0-8, 1-0, 1-2 and 1-5m respectively. Effects of the tube lengths on wind pressure characteristics of building surface and correlation of fluctuating wind pressure were investigated when the systematic correction of pressure measurement tubing system was not considered. The results show that the tube length has little effect on the mean pressure coefficients and greater influence on the fluctuating pressure coefficients. The deviations are within 5%, about 10%, and 15% to 30% for the fluctuating pressure coefficients on the windward, the leeward and sides, respectively. The tube length has an obviously effect on the peak pressures on the sides. The maximum pressure is gradually down along the model height with the increasing of the  tube length especially on the areas over 2/3 of the model height. The tube length has little effect on vertical correlation on the windward. Vertical correlation on the sides increases with the increasing of the tube length. However, vertical correlation on the leeward decreases with the  tube length increasing.

Keywords:high-rise building; wind tunnel test; wind pressure characteristic; pressure measurement tubing system; correlation

*國(guó)家自然科學(xué)基金重大研究計(jì)劃重點(diǎn)項(xiàng)目（91215302）,國(guó)家自然科學(xué)基金面上項(xiàng)目(51178179)。

作者簡(jiǎn)介：吳雪，碩士，Email:wuxue0326@163.com。