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杜新喜，劉茂青，程曉燕

（武漢大學(xué)土木建筑工程學(xué)院，武漢430072）

 

［摘要］按照準(zhǔn)確的螺栓球幾何控制條件，推導(dǎo)了螺栓球直徑控制公式，從而對(duì)規(guī)程公式進(jìn)行修正，并完善了桿件夾角較小時(shí)錐頭（封板）和桿件控制公式。用規(guī)程公式和本文公式（考慮螺栓球配件制作各項(xiàng)誤差）對(duì)7種節(jié)點(diǎn)進(jìn)行設(shè)計(jì)，對(duì)比發(fā)現(xiàn)：當(dāng)桿件夾角較為合理時(shí)，本文公式螺栓球節(jié)點(diǎn)用鋼量明顯低于規(guī)程公式用鋼量；當(dāng)桿件夾角較小時(shí)，按照錐頭（封板）和桿件控制公式，本文公式能夠增大螺栓球直徑，從而避免桿件相碰。

［關(guān)鍵詞］螺栓球節(jié)點(diǎn)；空間網(wǎng)格結(jié)構(gòu)；錐頭；封板；節(jié)點(diǎn)相碰

中圖分類號(hào)：TU393-3文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)09-0114-03

 

Du Xinxi, Liu Maoqing, Cheng Xiaoyan

(Civil Engineering Department, Wuhan University, Wuhan 430072, China)

 

Abstract: Diameter selection formulas in accordance with precise geometrical controlling conditions were deduced, which revises the specification formulas and perfects the controlling formulas for cone-shaped connectors(or end plates) and steel pipe with small included angle. Seven space truss structure nodes were designed by specification formula and paper formula respectively. The contrast results show that the steel consumption of paper formulas (which take fabrication errors into account) is less than that of specification formulas when the included angle is reasonable. When the included angle is small, according to the controlling formulas for cone-shaped connector (or end plate) and steel pipe, the diameter of bolted spherical joints calculated with paper formulas could be increased which could avoid collision between pipes.

Keywords: bolted spherical joint; space lattice structure; cone-shaped connector; end plate; node collision

*建設(shè)部鋼結(jié)構(gòu)CAD軟件開發(fā)項(xiàng)目（03-5-9）。

作者簡介：杜新喜，教授，博士生導(dǎo)師，Email: duxinxi@163.com。

 

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［2］沈祖炎, 陳揚(yáng)驥. 網(wǎng)架與網(wǎng)殼［M］.上海：同濟(jì)大學(xué)出版社，1996.

［3］劉錫良. 平板網(wǎng)架設(shè)計(jì)與施工圖集［M］.天津：天津大學(xué)出版社，2000.

［4］GB/T 16939─1997 鋼網(wǎng)架螺栓球節(jié)點(diǎn)用高強(qiáng)度螺栓［S］.北京：中國計(jì)劃出版社，2004.

［5］JG/T 10─2009 鋼網(wǎng)架螺栓球節(jié)點(diǎn)［S］.北京：中國標(biāo)準(zhǔn)出版社，2010.

［6］DB 32/952─2006 鋼網(wǎng)架（殼）螺栓球節(jié)點(diǎn)錐頭技術(shù)規(guī)程［S］.南京：江蘇省質(zhì)量技術(shù)監(jiān)督局，2007.