论文部分内容阅读
设计钢筋混凝土梁,常需绘出梁承载能力图。所谓梁承载能力图,即根据梁截面尺寸、实际混凝土标号、纵向受力钢筋数量绘出的表示梁沿跨度各正截面抵抗弯矩及其变化情况的图形,也称梁弯矩包络图。图的绘制过程实际上是对梁正截面纵向受力钢筋的配置进行图解设计的过程。纵向受力钢筋弯起或切断的位置,均可通过梁承载能力图得以合理解决。绘制梁承载能力图的原则是:必须使梁各正
When designing reinforced concrete beams, it is often necessary to draw a figure showing the bearing capacity of the beams. The so-called bearing capacity of the beam, that is, according to the beam section size, the actual concrete number, the number of longitudinal reinforcement steel to represent the beam along the span of the positive section of the resisting bending moment and its change of the graphics, also known as beam bending moment envelope diagram. The drawing process is actually the process of graphically designing the configuration of the longitudinally stressed steel bars. The position where the longitudinal reinforcement bar is bent or cut can be reasonably resolved through the bearing capacity of the beam. The principle of drawing the bearing capacity of a beam is: Each beam must be made