悬链线

Related problems about structural fire resistance are presented including fire resistance of reinforced concrete structure,hypo-stress initiated by fire,catenary action of beams,fire resistance design method of frame structure,crack mechanism of concrete and explosinon-proof measures,and this accelerates the development of architectural apyrous design.

提出了结构抗火相关问题的思考，包括加固混凝土结构抗火性能、火灾引起的次应力、梁的悬链线效应、框架房屋抗火设计方法、混凝土爆裂机理及防爆措施等，从而促进建筑抗火设计的发展。

Based on the summary of the others researches,the applied calculation methods of the lateral stability of catenary single rib hingeless arch that carried the vertical loadings were analyzed.

在总结前人研究成果的基础上，重点探讨了悬链线单肋无铰拱在竖向荷载作用下，横向稳定影响的实用计算方法。

Firstly, based on the catenary cable element model, a new compatible equation which reflects the relationship between the unelongated cable length and its tensile foce, is put forward.

本文首先基于悬链线解析解推导了一种反映索原长和索力之间关系的索元协调方程式，以及适用于动力松弛法找形分析的索元弦向刚度表达式。

The factors influencing fire-resistant capacity were analyzed from following aspects, catenaries action, type of load, load size, stiffener thickness and the ratio of shear plate thickness to beam web.

对连接耐火性能的影响因素进行了分析，研究了悬链线作用、荷载类型、载荷大小、加劲肋厚度及剪力板与腹板厚度比对梁耐火极限的影响。

It is pointed that the parabola method is straightforward, but the results are relatively coarse, and the catenaries method is relatively complicated, but the results are precise, which takes into account all-around factors.

结果发现：抛物线法比较简单，但计算结果比较粗略；分段悬链线法考虑因素比较全面，计算相对复杂，但结果比较精确；对于空缆线形竖向坐标值两种方法的误差为0 739%，无应力索长计算两种方法的误差仅为0 31%。

When connection come into the phase of larger deformations, axial force turn into the tensile force, prevent the further deform, it means that catenaries action occur.

进入大变形阶段后，连接轴向约束压力变为约束拉力，轴向拉力阻止钢梁自身进一步变形，发生了悬链线效应。

Large span catenary arch bridge is becoming more and more popular in recent years.

近年来大跨度悬链线拱桥在我国得到了广泛应用，随着其跨度的不断增大，稳定问题成为设计和施工中的关键问题。

The design of the main tasks was based on the new norms on the catenary arch bridge upper box structure design.

本设计的主要任务是依据新规范对悬链线箱形拱桥上部结构进行设计计算。

Testing of glass; determination of catenary of glass rovings and multiple wound glass filament yarns

玻璃的检验。织物玻璃丝粗纱和多股缠绕玻璃长丝悬链线

Fire-resistance; Finite element analysis; Flexible end plate connections ; Fin plate shear connections; Catenary action

抗火； 有限元分析；内缩式端板连接；柔性剪力板连接；悬链线作用

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。