论文部分内容阅读
对大型储油罐的充水试验进行数值模拟,考虑地基不均匀沉降分析了内、外环梁基础的优劣。结果表明,储油罐环梁基础的形式对地基沉降分布和最大沉降量的影响不明显;在控制由地基不均匀沉降引起的储油罐整体倾斜方面,外环梁较内环梁更具优势。地基不均匀沉降是影响环梁拉力的主要因素,相同条件下采用外环梁的环向拉力要大于内环梁;一般来说,随着储油罐直径增大,环梁环向拉力略有增大,但环向拉力与油罐直径并不存在正比关系。
The numerical simulation of water-filled test of large-scale oil storage tank is carried out, and the advantages and disadvantages of inner and outer ring beam foundation are analyzed considering uneven foundation settlement. The results show that the form of the ring girder foundation has no obvious effect on the foundation settlement and the maximum settlement. The outer ring beam is more advantageous than the inner ring beam in controlling the overall tilt of the storage tank caused by the uneven foundation settlement . The uneven subgrade settlement is the main factor that affects the tension of the ring beam. Under the same conditions, the hoop tension of the outer ring beam is greater than that of the inner ring beam. Generally speaking, as the diameter of the storage tank increases, Increase, but there is no direct relationship between hoop tension and tank diameter.