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一般,在沉箱结梅设计中,趾的外伸长度对趾跟部的弯矩有较大的影响。如果地基反力对趾跟部产生的弯矩M_1大于外力对外壁和底板所产生的弯矩之和(M_2+M_3),如图1所示,则趾跟部出现的不平衡力矩将会对外壁和底板的受力状态产生显著的影响。本文旨在利用弹性支承弯矩分配法来分析和计算趾跟部弯矩对外壁和底板的影响。
In general, in the caisson knot design, toe extensional length of the toe heel bending moment has a greater impact. If the bending moment M_1 of the reaction force to the heel of foundation is greater than the sum of the bending moment (M_2 + M_3) generated by the external force on the outer wall and the bottom plate, as shown in Figure 1, the unbalanced moment toe and heel will be The external wall and the floor of the force state have a significant impact. The purpose of this paper is to analyze and calculate the effect of toe-heel bending moment on the outer wall and the floor using the method of elastic support moment distribution.