梁

The effect of joint deformation to truss displacement: 4 kinds of steel tube truss compute models are established making use of shell elements, truss elements, beam elements and combination of beam elements and truss elements.

采用板壳单元、桁架单元、梁单元以及弦杆为梁单元和腹杆为桁架单元的混合模型等四种计算模型分别建立了一个钢管桁架的有限元模型，计算并整理了各模型下桁架腹杆的轴力及各节点的位移。

Thesis is divided into five parts, the main contents include: a long beam and truss repair and strength calculation, Liang Lu-board repair, the following box and wing rib repair, box rib injury at the time of small-scale repairs, large-scale box rib injury at the time of repair and a new frame, the positioning rib installation.

论文共分5个部分，主要内容包括：梁和长桁的修理及强度的计算、梁履板的修理、隔框和翼肋的修理、框肋小范围损伤时的修理、框肋大范围损伤时的修理及新框、肋的定位安装等。

The inner force of the line element for underground structure have been calculated using the traditional finite element mesh and high-order manifold method to guarantee the numerical precision of the line element and overcome the disadvantages due to the geometry error between the actual position and computational position of the beam and truss element in common use.

用传统的有限元网格和流形方法的高阶覆盖位移函数来进行地下结构的杆、梁单元计算，保证了线单元模拟的数值精度，同时又克服了常用的杆、梁线单元计算位置与实际位置不相符合从而带来计算误差和结构设计不便等缺点，提供了一种解决结构数值计算的较好的途径。

Take the fabrication and erection of 32m double line box girder of Liaohe Super Major Bridge as an example, the paper describes in detail the construction technology and key technique of travelling trestle bridge fabrication machine.

介绍秦沈客运专线辽河特大桥 3 2m 双线箱梁的制架施工，详细阐述移动支架造桥机拼造 3 2m 双线箱梁的施工工艺和关键技术。

This paper presents the construction techniques for lifting and installation of the steel girders for railway trestle bridge by floating crane,connection of the girder to girder in the temporary aid of pinning in the axle holes in the girders and also installation of the high accuracy bridge bearings.

介绍铁路栈桥利用浮吊吊装钢梁安装技术、梁梁连接过渡配合轴孔穿轴技术以及高精度支座安装技术。

This paper presents the construction techniques for lifting and installation of the steel girder s for railway trestle bridge by floating crane,connection of the girder to girder in the temporary aid of pinning in the axle holes in the girders and also installation of the high accuracy bridge bearings.

介绍铁路栈桥利用浮吊吊装钢梁安装技术、梁梁连接过渡配合轴孔穿轴技术以及高精度支座安装技术。

Torsion would be produced when curve beam under self-weight load, and, torsion and radial force would be produced when structure under prestress load. Such forces would brought prominent side reactions.

在施工阶段和运营阶段，就曾发生过梁体侧向倾覆、支座脱空，墩柱开裂、梁体体侧移以及腹板侧向崩裂等曲线梁结构侧向效应病害，这是技术人员对曲线桥特性把握不够造成的。

Based on the principle of Hamilton, dividing the main blade, flexbeam and torque tube into several beam elements, the bearingless rotor is nonlinearly modeled in this paper through modal transformation. By Newton-Raphson iteration and temporal finite element method, the above nonlinear equations are solved.

将无轴承旋翼的主桨叶、柔性梁和套管3个部分各自离散成若干梁单元，并将桨叶运动的物理坐标转换为挥舞、摆振、扭转方向的模态坐标，根据Hamilton原理建立旋翼气弹分析的动力学模型。

A great deal of calculation was carried to verify the method and program.The stress in the top of steel beam increases remarkably, which may threaten the local stability in the web.

本文的研究分析表明：随着时间的增长，在组合梁截面上，钢梁顶部附近应力的增长十分突出，因此，对于在长期荷载作用下的组合梁，应特别注意工字钢腹板处局部稳定性的设计。

Stand cover of the last century as the early 1970s emerging products, the notable features of the top beam between the terminal and the base of attaching a shield.

掩护式支架作为上世纪70年代初刚出现的产品，其显著特征是在顶梁末端和底座之间附加有掩护梁。

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。