内力

Studied internal force and transform of four construction stages, make sure the general precamber of the main beam,the side beam and three arches.

分别研究了四个施工阶段的结构内力和变形，确定了主梁、边梁和三片拱的一般预拱度。

Basing on research on prestressed anchorage sheet pile retaining wall design calculation method and internal forces pile,earth pressure distribution rule,To provide design and construction of reference,further guidance on the practice.

通过对预应力锚索桩板墙设计计算方法研究及各工况下桩内力及土压力分布规律的研究，为设计施工提供参考性结论，进一步指导工程实践。

At present in most teaching material about mechanics of material published in China, the influence of interior shearing force on deformation are not considered when solving the deformation of beam.

目前大多国内出版的材料力学教材中，在求解梁的变形时均不考虑内力剪力对变形的影响，对此问题更不做详细的定量描述。

Long-March bridge's finite element model is established on the basis of all above. FEM is used for analysis the change of interal force under the self-weight, prestress and experimental load.

在这基础上建立了全桥的有限元模型，分析结构在恒载，预应力和试验载荷作用下的内力变化。

A state decomposition analytical method is proposed for analysis of additional displacements,additional internal forces and energy release rate produced by debonding between face plate and core material of a honeycomb sandwich beam.

采用状态分解－解析方法分析了蜂窝荚芯梁由于面板与芯材脱胶而引起的附加位移、附加内力与能量释放率，并讨论了未脱胶段的附加变形对脱胶段附加位移及能量释放率的影响，为简化力学模型提供了理论依据

According to the theory of flexiblity method of structural mechanics and the characteristic of multi-tower cable-stayed structure,the equation of deformation compatibility is established.

根据结构力学柔度法原理，结合多塔斜拉结构的特点，建立变位协调方程，用以计算四塔悬浮体系斜拉输水结构的内力与变位。

The crack is modeled by distributed line spring ,the local compliance matrix of which is determined according to fracture mechanics.

管道的振动用Flügge方程来描述，通过将裂纹模拟为分布的线性弹簧，运用断裂力学理论，得到裂纹区域的局部柔度矩阵，从而建立外力作用处以及裂纹两侧区域的位移和内力的连续性条件对裂纹管道的功率流进行求解。

The aseismatic reliability of long-span space lattice structures with multiple support excitation based on the pseudo-excitation response spectrum method is analyzed and compared with one under simple support excitation,the variation of the reliability index of each element is investigated simulataneously.

在虚拟激励反应谱法的基础上进行了多点输入下大跨空间网格结构的可靠度分析，并且将之与一致输入下结构抗震可靠度的分析结果进行了对比，考查了两种输入方法下杆件内力可靠指标之间的变化，进而分析了危险杆件在结构分布、数量等方面的差异以及危险杆件随结构跨度、视波速的变化关系。

In analysis, the whole deformation system is assumed to be composed of the rigid crosssection deformation, the warping deformation produced by torsion, and the deformation in the direction within the cross-section, in which, the torsional deformation effects are well considered.

以平截面假设所确立的变形和扭转所引起的翘曲变形以及截面内方向的附加变形组成截面上材料的整个变形体系，较好地考虑了扭转内力的翘曲及畸变效应。

The lining pressures and internal forces of the optimized crosssections of doublearch tunnels are distributed almost symmetrically and are comparable to those of separate tunnels.

连拱隧道优化断面衬砌压力和内力分布基本对称，与分离隧道相接近，是一种合理的连拱隧道构筑方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。