钢筋

1CSNS.On May 20th 2008,It was seen that there was no Ferroconcrete from after construction of earthquake new school of Dojiangyan, 3 1BSNS.

1CSNS2008年5月20日，在都江堰市新建小学废墟现场看到，有部分折断的水泥预制板里，居然没有钢筋！

According to temperature crack and desiccation crack of brick-mixing structure, it analyzes its cause and features of cracks, and puts forward prevention measures from setting expansion joint、adopting ferroconcrete roof、setting reinforcement band.

针对砖混结构的温度裂缝和干缩裂缝，对其裂缝的特征及其产生的原因作了分析，从设置伸缩缝、采用钢筋混凝土屋盖、设置配筋带等方面，提出了防治裂缝产生的措施。

Study the result makes clear, adoption temperature field seeks solution child structural technology, of the three-dimensional temperature field that applies to area of have a common boundary of inside and outside of the chamber of a stove or furnace and node of ferroconcrete structure Liang Zhu seek solution.

探究结果表明，采用的温度场求解的子结构技术，适用于炉膛内外交界区域及钢筋混凝土结构梁柱节点的三维温度场的求解。

The method of calculation of fiber model numerical value that established steel tube to restrain a ferroconcrete to control curved component part, use in computation follow the addition of load and increase steel tube to be opposite ceaselessly the restrains effect method of core concrete, numeric computation result and test result be identical are good.

建立了钢管约束钢筋混凝土压弯构件的纤维模型数值计算方法，计算中采用随荷载的增加而不断增大钢管对核心混凝土的约束效应的方法，数值计算结果和试验结果吻合良好。

If where " ferroconcrete structure " the study method that course develops a student effectively, strengthen a student to analyse problem and the ability that handle an issue thereby, the method is varied, need us to be explored actively in teaching practice, apply integratedly, in order to enhance the ability that graduate gets used to the job, realize " to be the education target of oriented " with obtain employment thereby.

如何在《钢筋混凝土结构》课程有效地培养学生的学习方法，从而加强学生分析新问题和处理新问题的能力，方法是多种多样的，需要我们在教育实践中积极探索，综合运用，以加强毕业生适应工作的能力，从而实现"以就业为导向"的教学目标。

Profiling armor plate passes solder hammer and floor structure girder to suffer force effectively to work jointly, achieve steel structure bridge and ferroconcrete wing cut force to deliver.

压型钢板通过焊钉和楼面结构钢梁有效地共同受力工作，实现钢结构梁和钢筋混凝土翼板的剪力传递。

Above all, consider combination of 3 kinds of load and different constant load and alterable load effect to compare an effect, gave out representative ferroconcrete component is in give an environment to fall, the affirmatory principle that the reliability of different operating period analysed methodological; to put forward intended performance structure to design reliability level, namely index of reliability of component part of the construction inside intended performance cannot be under the standard; of active standard on foundation of expression of design of reliability of our country structure introduce wear to fold decrease coefficient, gave out the affirmatory method of this coefficient, assure in design phase through this coefficient and achieve target of reliability of component part of the construction inside intended performance not the standard under active standard.

首先，考虑三种荷载组合以及不同恒荷载和可变荷载效应比影响，给出了代表性钢筋混凝土构件在给定环境下、不同使用期的可靠度分析方法；提出了预期使用期结构设计可靠度水平的确定原则，即预期使用期内结构构件可靠度指标不能低于现行规范的标准；在我国结构可靠度设计表达式基础上引入耐久性折减系数，给出了该系数的确定方法，通过该系数在设计阶段保证和实现预期使用期内结构构件可靠度指标不低于现行规范的标准。

The first glimpse of a landmark could excite a visitor's infatuation, too: frenetic Grand Central Terminal, bursting at the seams with commuters; the concrete caverns of Wall Street, throbbing with power and ambition; the Empire State Building, its top 30 stories festively illuminated; or the Statue of Liberty, which neither cliche nor cheap souvenir can render common.

第一次看到纽约的标志性建筑，总会激起观光者的迷恋之情：繁忙的中央车站挤满了上下班的人；在华尔街的钢筋水泥深处搏动着权力和野心；最高30层的帝国大厦节日般地灯火闪烁；还有自由女神像，不论是那些陈词滥调或是廉价纪念品都不能削弱它的名声。

In the middle of the filter material, a base cloth layer, as a reinforcement cage,is placed to reinforce the strength of the filter .the strength and the extensibility of the filter material relies on this layer.

在滤料的中层，有一层起钢筋骨架增加强度作用的机织基布层。整体滤料的强度及断裂伸长基本上取决于基布的强度。

The finite difference equation was built by using elemental energy balance of reinforced concrete beam with three surfaces exposing to fire based on the thermal properties of concrete. The influence of the physical or chemical reaction of free or combined water in concrete on the temperature field of concrete was considered by magnifying the specific heat of concrete.

根据三面受火钢筋混凝土梁离散体积单元的能量守恒原理，建立了有限差分平衡方程，在合理确定混凝土热工参数基础上，采用增大混凝土质量热容的方法，考虑混凝土中自由水与结合水的物理化学反应对混凝土温度场的影响。

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％。