查询词典 girder

The main bridge of the twin towers two-cable-plane three-span continuous prestressed concrete cable-stayed bridge girder edge.

主桥为双塔双索面三跨连续预应力混凝土斜拉桥主梁边。

The main bridge of Hongdu Bridge is three-span self-anchored steel box girder suspension bridge.

洪都大桥主桥为三跨自锚式钢箱梁悬索桥，跨径布置为

Main contents are shown as follows:(1) After comparing all kinds of applied methods, three-bar stimulation analysis method which is simple is selected to calculate coefficients of shear lag on some cross section of box girder.

将空间有限元法和三杆比拟法两者的计算结果进行对比分析，指出了三杆比拟法的适用范围。

Because the height of box girder is limited, vertical prestressed bar is short, so when control stress of prestressing is attained, elongation of thick high strength thread reinforcing bar is limited.

这是由于箱梁的高度有限，竖向预应力筋的长度都比较短，因而在达到张拉控制应力时高强精轧螺纹粗钢筋的伸长量有限。

A new anchorage system for girder to obtain pretension stress at section top-edge in middle of span is shown. Based on the research of bi-prestressing beams inside test-room and the test of the prestress bar character, method for calculating the full size gird and choosing section are proposed. A new-style corrugated pipe which is shown in the paper is used, to solve the transformation of compressed thread bar and the contradiction between loss of friction resistance and pumping in pipe.

本文通过大量的试验及研究分析，提出了双预应力梁跨中上缘获得预拉应力的新的传力锚固体系；通过对室内双预应力混凝土小梁的研究，检测了预压钢筋的受力性能和预压过程中的某些影响参数；提出了足尺梁计算方法和截面、跨径选择方法；研制了新型哑铃型波纹管，很好地解决了预压钢筋变形、摩阻损失和管道压浆之间的矛盾；通过对30？

The structure,design and calculation of the machine,especially the calculation about main girder,rated power,resistance of drain sludge and so on,which is key technology about the design of a suction machine are described.

文章论述了该机的结构设计及计算，尤其较详细地叙述了吸泥机设计中的关键问题：主梁的刚度、驱动功率、排泥阻力等的计算过程，为类似设备的研制提供了有益的经验。

The principle of reinforcing girder bridge with carbon fiber sheet and stress characteristics are introduced.

在对碳纤维加固梁式桥的机理及受力特点进行介绍的基础之上，就其施工所用材料、施工工艺深入分析，并给出有益的施工建议，对于碳纤维布加固技术的应用推广具有一定的指导意义。

In addition, based on the theory calculation and analysis, the fact is verified by on-site load testing of ZhongXian Yangtze River Bridge, that the bridge decks work with Steel Tube truss Stiffening girder.

在理论分析的基础上，通过现场荷载试验对理论计算结果进行了验证，验证结果证明了桥面系参与工作的事实。

The detailed process of model updating and validating is discussed in terms of reduced scale specimen of the steel box girder in longitudinal stiffening truss of a long span bridge.

以实验室的大跨桥梁结构钢箱梁纵向加劲桁架缩尺试样为研究平台，具体讨论了多尺度模型修正和验证的实施过程。

However, the torsion rigidity and aerodynamic stability of the steel truss stiffening girder usually does not meet the requirement of wind-resistance design.

但其扭转刚度以及气动稳定性能往往难以满足抗风要求。

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％。