山区河流船闸衬砌式闸墙结构计算研究

借助于对研究水工建筑物和复杂地基联合作用方面具有突出优点的有限元法,建立适宜衬砌墙结构特点的数学模型,研究墙体与基岩间的接触状态和接触应力,掌握其应力分布的基本规律,探讨接触面粘结力对墙体应力的影响,并将数学模型分析的结果与物理模型的试验结果和材料力学的分析结果相比较,找出它们之间的差异,分析造成这类差异的主要因素及其对墙体强度与稳定的影响,以进一步提高对船闸衬砌墙结构安全性和经济性的认识。

Structural Calculation of Lined Lock Wall of Shiplock in Mountainous River

Adopting finite element method which is advantageous in research on hydraulic construction acting associated with complex groundsill, this paper establishes the mathematical model adapting to the structural feature of lined wall,to study the contact state and stress between the wall and bed rock,so as to master the basic law of stress distribution,and investigate the influence of contact surface cohesion on wall stress. Comparing the result by mathematical model analysis with those by physical model experiment and mechanics of materials, we find out the differences between them,and analyze the primary factors for the differences and its influence on the intensity and stability of the wall,so as to deepen the understanding of safety and economy of lined wall structure in shiplock.