摘要
将弹性地基上的加肋板视为十字交叉梁与平板组合体系,通过梁、板、地基三者之间的力与位移平衡和协调分析,得出了梁板式筏基与地基共同作用的半解析解,该方法收敛性较好,计算精度可靠,工程算例显示了该方法的正确性和实用性。与平板筏基相比,梁板式筏基对于减小不均匀沉降、改善筏板内力分布、降低工程造价方面都有比较明显的优点。
A semi-analytical and semi-numerical method, which makes use of compatible analysis of force and displacement between beams, slab and ground, is developed to analyze interaction between stiffened raft and subsoil by considering the stiffened plate as a composite system of grillage beams and slab. The result converges well and has credible precision. Numerical examples prove that this method has good validity and practicality. Compared with plate raft, stiffened raft has evident advantages in diminishing nonuniform settlement, improving the internal force distribution of raft and reducing construction cost.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2005年第10期1804-1810,共7页
Chinese Journal of Rock Mechanics and Engineering
