4 . beishanzhuang sluice is modeled visually and 3 - d fem simulation analyzed , and the stress and displacement rule of sluice in different fact is calculated and analyzed . the effects of different type of base plate are compared , and steel design of sluice is calculated and analyzed 對北單莊閘進(jìn)行了可視化建模并對其進(jìn)行了三維有限元仿真計(jì)算,計(jì)算分析了各種工況下水閘的應(yīng)力和位移規(guī)律,比較了不同類型底板的效果,對水閘進(jìn)行配筋計(jì)算分析。
A material nonlinear finite element analysis for the cast - in - place reinforced concrete hollow slab that occurs from initial loading , cracking , yielding to failing is carried on . the cracking load , ultimate load , the displacement rules and the principal stress distribution rules of the hollow slab under the vertical loads are obtained . a material nonlinear finite element analysis for the single span hollow flat - plate floor is also carried on 其次對空心板進(jìn)行了從加荷、開裂、屈服直至破壞的全過程材料非線性有限元計(jì)算,得到了空心板在豎向荷載作用下的開裂荷載、極限荷載及位移和應(yīng)力分布規(guī)律;還對單跨無梁樓蓋進(jìn)行了材料非線性有限元計(jì)算,通過分析主應(yīng)力場明確了柱上暗扁梁的作用;有限元計(jì)算的結(jié)果驗(yàn)證了以上的理論分析并得到了一些重要的結(jié)論,對改進(jìn)現(xiàn)澆空心板無梁樓蓋的構(gòu)造措施有重要的參考價(jià)值。