橢圓平面弦支穹頂靜力性能研究
王澤強1，秦杰1，李國立1，張然1武建勛2
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(1 北京市建筑工程研究院，100039；2 中國礦業(yè)大學，北京100038)［提要］對上部單層網殼為聯(lián)方型的橢圓平面弦支穹頂網殼的靜力性能進行了計算分析。研究了徑向索和環(huán)索截面、預應力、布索方式、撐桿長度、矢跨比和截面離心率對結構靜力性能的影響，將部分計算結果與試驗進行了分析。研究表明，在滿足一定條件時，采用較長的撐桿、增大環(huán)索面積、提高預應力都能減小結構的豎向位移，改善結構的靜力性能。［關鍵詞］橢圓平面弦支穹頂；靜力性能；參數(shù)分析Study on Static Capability of Ellipse Plane Suspen-dome/Wang Zeqiang１，Qin Jie１，Li Guoli１，Zhang Ran１，Wu Jianxun２(1 Beijing Building Construction Research Institute,Beijing 100039,China; 2 China University of Mining and Technology,Beijing 100083,China)Abstract:The static performance of ellipse plane suspend-dome is analyzed.The effects of section area of radial and ring cables,pretension,distribution of cables,length of brace rod,ratio of height to span and eccentricity of section on the static capability of structure are calculated.Some calculation results are compared with the experimental ones.The results show that under some circumstance,adopting the longer brace rod,adding area of ring cable and improving the pretension force can decrease the vertical deformation and improve the static performance of structure.Keywords:ellipse plane suspend-dome； static capability; parameters analysis*北京市科技新星計劃資助項目（2003B16）。
