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季征宇 施永昌 黃 磊
（上?，F(xiàn)代建筑設(shè)計（集團(tuán)）有限公司 200120）[提要] 運(yùn)用線性規(guī)劃對大型地下車庫進(jìn)行優(yōu)化分析，確定了最經(jīng)濟(jì)的結(jié)構(gòu)形式。在結(jié)構(gòu)分析中，提出了分工況采用安全系數(shù)的觀點；對異形無梁樓蓋采用有限單元法進(jìn)行了補(bǔ)充分析；對結(jié)構(gòu)裂縫控制進(jìn)行了理論計算和構(gòu)造設(shè)計；并提供了裂縫的實際觀察情況和周圍建筑的沉降實測值。
[關(guān)鍵詞] 線性規(guī)劃 抗拔樁 裂縫控制 異形無梁樓蓋 沉降This paper introduces some methods to optimize the structural design of underground parking garage. Some schemes are adopted to analyse the floating case and to control the concrete cracks. The finite element method is used to analyse the abnormal slab-column system. Also some practical data are supplied to interpret some phenomena.
Keywords: underground parking garage; anti-floating pile; crack control; abnormal slab-column system; settlement
