CAJ | 학술논문

利用有限元分析软件ANSYS,对沉箱重力式码头在船舶荷栽作用下的沉箱静态力学性能进行数值分析.通过对比分析文革勒地基模型法和半无限弹性体法的计算结果,认为壳单元与体单元采用MPC接触方法,土体以弹簧来模拟的计算模型能够满足设计要求,建模简单,计算快捷,可供设计时使用.同时数值分析表明,在船舶荷载和贮仓压力作用下,沉箱立板内侧的竖向弯矩最大值发生在立板与底板的连接处,有必要对重力式孤立墩在船舶荷载作用下的沉箱进行空间结构计算.
이용유한원분석연건ANSYS,대침상중력식마두재선박하재작용하적침상정태역학성능진행수치분석.통과대비분석문혁륵지기모형법화반무한탄성체법적계산결과,인위각단원여체단원채용MPC접촉방법,토체이탄황래모의적계산모형능구만족설계요구,건모간단,계산쾌첩,가공설계시사용.동시수치분석표명,재선박하재화저창압력작용하,침상립판내측적수향만구최대치발생재립판여저판적련접처,유필요대중력식고립돈재선박하재작용하적침상진행공간결구계산.
Using finite element procedure ANSYS, we analyze caisson gravity wharf acted by the vessel load in the static condition. Comparing the Winkler foundation model with the semi-infinite elastic body model, we find out that by taking the MPC (Multi Point Constraint) to join the shell elements with the solid elements, and simulating the soil by the elastic spring, the design requirements can be satisfied. Meanwhile, it has the advantages of simple model construction and quick calculation. The numerical analysis indicates that the maximum moment of vertical slab of caisson occurs in the comer between the vertical slab and the bottom slab. So, we think it is necessary to conduct space structure calculation when the isolated caisson gravity wharf is acted by the vessel load.