| 1. | Predicting the crack width of partly prestressing concrete square - section beam by bp neural network
网络预测部分预应力矩形截面梁的裂缝宽度 |
| 2. | Computational method of bearing capacity of bending normal section of reinforced concrete beam with rectangular section strengthened by cfrp
碳纤维布加固钢筋混凝土矩形截面梁受弯正截面承载力的计算方法 |
| 3. | Comparing with the traditional formula , the results of the rectangle beam indicates : the traditional formula is only a special case of the improved model
文中以矩形截面梁为例，对所得结果与传统公式进行比较，结果表明传统公式可视为文中结果的一个特例。 |
| 4. | Abstract : simplifying the formula in code for concrete structure design ( gbj10 - 89 ) , we obtaine the appoximate formula of crack width , that is used to the beam of rectangular section in design
文摘:对《混凝土结构设计规范》 ( gbj10 - 89 )中的裂缝宽度计算公式进行化简，得出矩形截面梁裂缝宽度实用计算公式，供工程设计时使用。 |
| 5. | Four rectanguiar beams were tested experimentally to evaluate the strength enhancement provided by cfrp plates , one of the beams was not reinforced by cfar and the rest were reinforced by single or double layer cfrp plates with or wthout anchor
试验采用四根矩形截面梁，其中一根梁作为对比梁，其余三根梁分别进行了单层碳纤维加固、双层碳纤维加固(对碳纤维没有锚固)的正截面承载力试验及碳纤维铆固加固效果的对比试验。 |
| 6. | According to the basic theory of the cement concrete and the properties of polypropylene fiber , the calculating formulas about beam for the normal section load _ carrying capacity and rigidity and ductibility are presented based on " the design code of concrete structure " ( gb50010 - 2002 )
参照普通砼的基本理论，结合聚丙烯纤维砼的性能特点，在《规范》的基础上得到了单筋矩形截面梁正截面承载力、刚度和延性的计算公式，并与试验结果对比吻合较好。 |
| 7. | The effects to beam for its normal section flexural capacity and rigidity and ductibility as well as other properties is discussed with different polypropylene fiber and different concrete strength by the bending test study herein on the reinforced concrete beams and the polypropylene fiber reinforced beams
本文通过对掺聚丙烯纤维砼配筋梁的试验研究，分析讨论了单筋矩形截面梁配筋率相同时，分别考虑聚丙烯纤维掺量和混凝土强度等级等因素对梁的正截面承载力、刚度及延性等几个方面的影响。 |
| 8. | The calculation method of the utmost load of gray cast iron beam with rectangle section is obtained through the analysis of limit load behavior of the beam under the united action of bending and pulling , therefore the design method of limit load about forcing parts of cast iron pressure vessels is determined
通过分析灰口铸铁矩形截面梁在纯弯曲和拉弯组合作用下极限载荷行为，提出灰口铸铁矩形截面梁极限载荷的计算方法，由此确定灰口铸铁压力容器受压元件的极限设计方法。 |
