- 摘 要
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包文華 王會(huì)云 吳立春
(承德市建筑設(shè)計(jì)研究院 承德 067000)[提要] 大直徑圓形平板結(jié)構(gòu)采用無粘結(jié)預(yù)應(yīng)力技術(shù),與矩形平板相比,其結(jié)構(gòu)受力特點(diǎn)、布筋方式、設(shè)計(jì)計(jì)算有著不同的規(guī)律。采用雙向條帶“十”字配筋方式進(jìn)行了預(yù)應(yīng)力筋和非預(yù)應(yīng)力筋布置,運(yùn)用有限元法驗(yàn)算了等效荷載作用下圓板的變形,有效地解決了大直徑預(yù)應(yīng)力圓板的結(jié)構(gòu)設(shè)計(jì)。
[關(guān)鍵詞] 預(yù)應(yīng)力圓板 布筋方式 結(jié)構(gòu)設(shè)計(jì)Using the technique of unbonded prestress in large diameter circular slab has different rule in contrast with rectangular slab in character of structure behavior, reinforcement distribution, design and calculation. Adopting bidirectional stripe cross reinforcement and finite element analysis under equivalent loads, the structural design of prestressed circular slab with large diameter is effectively solved.
Keywords: prestressed circular slab; reinforcement distribution; structural design
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