| 1. | Stress variation research of external tendons under live load in simple beam bridges
简支梁桥体外预应力筋受活载作用的应力变化 |
| 2. | Standard test method for flexural strength of concrete using simple beam with third - point loading
混凝土抗弯强度的标准测试方法 |
| 3. | Standard test method for flexural strength of concrete using simple beam with center - point loading
混凝土抗弯强度的标准测试方法 |
| 4. | Standard test method for flexural strength of soil - cement using simple beam with third - point loading
用简支梁三点负荷法测定掺土水泥抗挠强度的标准试验方法 |
| 5. | M . a . heckl . investigation on the vibration of grillages and other simple beam structure . journal of the acoustical societ of america 36 , 1964 : 1335 - 1343
陈正翔,江松青,张维衡.无限长输液管中结构振动波的传播.华中理工大学学报, 1997 ( 11 ) |
| 6. | Paper ' 21 has adopted this method in the cantilever beam and simple beam ' s crackle discerning . the result indicates that modal flexibility curve is easy and just needing few calculating amount
文献等在悬臂梁和简支梁的裂纹识别中采用了该方法，结果表明，柔度曲率法具有计算量小和简便易行的优点，而且仅需要低阶模态信息即可获得很好的精度。 |
| 7. | Three fem models of reinforced concrete are compared and studied . the fem model of reinforced concrete of sluice in ansys is raised . typical simple beam is calculated by the fem model in ansys and compared with test data
对钢筋混凝土有限元的三种模型进行比较分析，提出了基于ansys的分析水闸结构的钢筋混凝土有限元模型，并对典型的简支梁进行计算，且与试验数据进行了比较。 |
| 8. | This paper has researched the regularity of crack similitude to the models of different scales , different amounts of reinforcing bar and different surface forms of steel reinforcement , through serial tests of six groups eighteen reinforced concrete simple beams models
摘要通过6组18根不同比尺的钢筋混凝土简支梁的模型试验，对不同比尺、不同钢筋根数及不同钢筋形式的模型之间的裂缝相似规律进行了探讨。 |
| 9. | Based on the conception that the simple beam rotates rigidly around the plastic hinge in the middle when the beam is at the ultimate state of anti - bending capacity , the formula for calculating the stress in the external tendons and the ultimate anti - bending capacity of the beam were developed
摘要在承载能力极限状态下，可把简支梁的跨中区段视为1个等曲率塑性铰（塑性区段） ，其余梁段可视为直线并处于绕塑性铰刚性转动的位置。 |
| 10. | It shows that the method suggested in the paper is simple , applicable for engineering and has good precision . on the bases of the formulas deduced , and combining with relative test datas , it studies in the paper several factors influencing the bearing performance of the simple beams , such as shape of the external tendons , the equal moment segment length , span - to - depth ratio of the beam , valid initial prestress of the external tendons , area of the internal tension reinforcement , strength of the concrete , vertical distance between
在公式推导的基础上,结合相关试验资料,研究了体外筋的形状、等弯矩区长度、梁跨高比、有效张拉预应力、体内受拉筋配筋率、混凝土强度、锚固点到梁上边缘在垂直方向上的距离、体外预应力筋水平段长度(双折线型体外筋的情况)以及荷载类型等对体外预应力混凝土简支梁受力性能的影响。 |
