查询词典 truss up

The simplified mechanics model of the truss supporting loose roof and deduced calculation formulas provide the calculation method and theoretical basis for parameters design of loose roof truss system.

建立的锚拉支架支护散体顶板的简化力学模型及推导出的计算公式为散体顶板锚拉支架系统的参数设计提供了计算方法和理论依据。

The reliability of roof truss itself is not enough to guarantee the reliability of roof system.The reasonable setting of supports and the strength and rigidity of roof truss beams,etc.shall also meet the requirements of the "Specification",especially for the buildings having cranes.

屋盖体系的可靠非仅屋架本身的可靠就能保证，支撑的合理设置、屋架杆件的强度和刚度等构造均需满足规范要求，尤其对有吊车的厂房。

In order to study the mechanical behavior of special joint at connection between stiff suspension cable and upper chord of truss beam for stiff suspension reinforced steel truss bridge, a 1:2 scale-down model test and three-dimensional finite element analysis of Dongjiang Bridge's special joint S25 were investigated in order to find the stresses distribution rule and mechanical property of the special joint.

为研究刚性悬索加劲钢桁梁桥刚性悬索与桁梁上弦杆的连接处特殊节点的力学行为，结合东莞市东江大桥，采用1：2的几何缩尺比例，对其特殊节点S25进行了模型试验研究，并进行了详细的空间有限元分析。

BC 2 The Analysis, design and Construction of Truss Bridge E Understanding the characteristic of truss bridges

E 通过荷载测试，试验斜坡巩固的效果

In view of the commonly used truss bridge in our country railway, the present thesis is the result of the efforts devoted to analysis the vehicle-curved steel truss bridge coupling vibration.

针对我国铁路桥梁中常用的钢桁梁桥，本文深入探讨了曲线钢桁梁桥的车桥耦合，主要做了以下工作： 1。

In this paper, antiseismic behavior of staggered truss system is studied on the base of the review of theoretical study and practical application of staggered truss system at home and abroad.

本文回顾了国内外错列桁架结构体系的理论研究及工程应用，并以此为基础，对错列桁架结构体系的抗震性能进行了初步研究。

In this paper,researches were made on aspace piezoelectric truss.First,based on the piezoelectric theory and FEManalysis and knowledge of active vibration control,theoretical analysis and numerical simulation was carried on.And then,an experiment upon real-time active vibration control of the truss by computer was carried out.

本文以一空间压电桁架结构为切磋工具，应用压电表面、有限元分析和振动自动节制的相干常识，在清楚的表面分析和谋划机仿真的根本上，用尝试验证的方法对空间压电桁架结构的振动进行谋划机及时自动节制。

Based on the fundamental theory of the cable-prestressed steel truss established in paper [1], the inversive iterative perturbation equations which can be used to determine the stiffeness of elements of the prestressed steel truss with elastic supports are put forward by using the principle of matrix perturbation and introducing the concepts of the combined elements and stiffeness factors.

本文基于文献[1]所建立的拉索式预应力钢桁架基本理论，通过引入组合单元和刚度变化因子，利用矩阵摄动原理建立了以结点竖向位移为约束，以确定弹性支承多次张拉预应力钢桁架各类单元刚度为目标的反演摄动迭代方程。

At last, natural frequencies of practical pre-stressed composite space truss are tested with pulsatory method on construction site and its damping ratio is calculated, which gives another important data for engineering design. In addition, through the model experiment of pre-stressed rectangular square pyramid composite space truss, the correctness of characteristics of internal force and the feasibility of tension recovery method are proved.

最后，在工程施工现场用脉动法测试自振频率，并借助于振动衰减曲线和半功率点法计算出预应力组合网架——钢与混凝土的混合结构体系——的阻尼比，此又为工程设计提供了一理论依据；另外，通过正放四角锥预应力组合网架的模型试验，验证了结构内力分布特点的正确性以及张力松弛法的可行性。

The shell roof of steel structure on the site of Jinsha in Chengdu is the truss structure with unstiffen tubular joints ,and the chords of circumferential truss are irregular space curves.

成都金沙遗址大棚钢结构工程为圆钢管相贯节点桁架结构，环桁架弦杆为不规则空间曲线，通过采取弯管与胎具双重控制的方法，使环桁架尺寸得到精确控制；由于施工条件限制，采取了钢丝绳加固、结合已有结构辅助的方法将平面桁架移动到指定位置。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？