钢筋

At the same time, the theoretical solution of this differential equation is derived.

本文研究工作包括两个部分，第一部分是钢筋混凝土结构有限元分析方法的研究，下面的1至5项属于这个范围：第二部分是有限单元构造方法的研究，见第6项。

The bridge structure suffered the moisture, frog and load attack successively in natural state, this results in concrete carbonization, reinforcing steel bar erosion, the surfer desquamate, the cross section dimension decrease, so the mechanics performance worsen, the bridge bearing capacity decreases.

在自然条件下，桥梁结构由于受到大气、水雾及外载的不断作用，引起混凝土碳化、钢筋脱钝锈蚀、构件表面剥落、截面尺寸减小，从而使混凝土结构或构件的力学性能恶化，使用性能降低，桥梁承载能力减小，严重的甚至引起人民生命财产的重大损失。

To study the dynamic response performance of reinforced concrete frame structure with friction energy dissipation braces,the element stiffness and mechanics model of the element of friction energy dissipation device and the element of frame bar are analyzed.

为研究钢筋砼摩擦耗能支撑框架结构的动力反应性能，对其中的摩擦耗能器单元和框架杆单元的单元刚度和力学模型做了分析。

As the first part of a research program to obtain a quantitative design method for overcoming diagonal cracks in cast-in-site concrete floor due to shrinkage and temperature differences, 12 RC concrete slabs strengthened by WMM were tested. The influence of layer number and volume fraction of wire mesh on crack space and width were discussed.

作为定量解决房屋现浇楼板收缩温差斜角裂缝问题研究的开端，用钢丝网砂浆对12块板现浇钢筋混凝土板进行加固和对比试验研究，探讨了钢丝网层数和配筋率对裂缝间距和宽度的影响。

A new kind of reinforced concrete frame structure with diagonal member is put forward.

提出了一种新型的带腋撑钢筋混凝土框架结构。

Fracture process of concrete is real-time observed using digital camera of high resolution.

混凝土或钢筋混凝土作为土木工程最为常用的建筑材料，其各种工程性质的研究已经有上百年的历史了。

Twelve big series of products taking form at present already with"Chengfu" for the brand have been formed, and main products include cutting machine ,grooving machine, dinking machine, bending machine, bar straightener , battering ram, frog rammer, trowelling machine and concrete mixer, construction winch lighting vehicle.

目前已形成以"成福"为品牌二十八大系列产品，主要产品有：切割机、切断机、弯曲机、弯箍机、调直机、冲击夯、蛙式夯、平板夯、木工平刨、木工压刨、圆锯机、搅拌机、切缝机、刻纹机、切桩机、切槽机、切块机、铣刨机、清灰机、抹光机、灯车、路面吹风机、钢筋剥肋滚丝机、整平机、风镐、小型压路机、振动器振动棒、电焊机等系列产品

The distribution rule of stress and deformtion in CRCP is analyzed.

讨论了裂缝间距、配筋率和钢筋直径对CRCP的影响。

This paper analyses the distributive law of axial compression in concrete wall and its influnce on strength of reinforced concrete penstock with steel lining located on the downstream surface of a concrete dam by the finite element method and model tests with material similar to prototype.

通过几个电站的有限元计算和仿真材料模型试验成果，分析混凝土坝下游面钢衬钢筋混凝土管道的轴向应力分布规律及其对管壁应力的影响，可作为管壁三维强度分析的依据，并指出在轴向压力和内水压力作用时裂缝更早发生。

The numerical algorithm based on division lines method which is originally used in calculating section geometry properties.

在钢筋混凝土或预应力混凝土构件中，正截面承载力计算是桥梁设计的重要组成部分，许多类型的构件如受弯、偏压、偏拉构件都存在正截面承载力的计算问题。

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％。