TY型管节点局部柔度的参数分析及试验研究  

PARAMETRIC ANALYSIS AND EXPERIMENTAL STUDY ON THE LOCAL FLEXIBILITY OF T,Y-TYPE TUBULAR JOINTS

作　　者：徐汉涛[1] 潘皓[1] 陈伯真[1] 胡毓仁[1] 

机构地区：[1]上海交通大学

出　　处：《海洋工程》1995年第3期9-18,共10页The Ocean Engineering

基　　金：高等学校博士学科点专项科研基金

摘　　要：由于海洋平台管节点的局部柔度对平台结构的静动力性能有重要影响，如何确定各类管节点的局部柔度成为一个重要的研究课题。本文用半解析方法计算了海洋平台中一类常见的管节点──ＴＹ型管节点的局部柔度，并用回归方法得出了计算ＴＹ型管节点局部柔度矩阵中各元素的参数公式。本文还介绍了对一组ＴＹ型管节点ＰＶＣ塑料模型进行的局部柔度试验。参数公式计算结果与模型试验结果的比较表明，本文得出的参数公式是基本可靠的，建议可在海洋平台总体结构分析中使用。The local flexibility of tubular joints has important effect on the static and dynamic behaviour of offshore platforms. Therefore, determination of the local flexibility of tubular joints of various type becomes an important research subject in the field of offshore engineering. In this paper, the local flexibility of T, Y-type tubular joints which are widely used in offshore platforms is calculated by using the Semi-Analytical Method. According to the calculated results, parametric formulas for evaluating elements in the local joint flexibility matrix of T,Y-type tubular joints are derived by regression. A test on PVC models of T, Y-type tubular joints to measure the local joint flexibility is also reported in the paper. Comparison of the results from the parametric formulas presented in this paper with those from the measurement in the model test shows that the parametric formulas are reliable on the whole. It is recommended that these formulas be used in the global structural analysis of offshore platforms.

关 键 词：海洋平台 管节点 局部柔度 试验研究 

分 类 号：P75[天文地球—海洋科学]