| 1. | Back water curve
壅水曲线 |
| 2. | The experimental results in a physical model are adopted to verify the simulated damming heights
采用模型试验资料验证了壅水高度计算结果。 |
| 3. | Its backwater , due to bridge constrictions , is different from that of alluvial channels
建桥后，由于桥位断面压缩而导致的壅水与一般冲积河流不同。 |
| 4. | That the predicted values of damming height agree well with the exprimental results proves the validity of the numerical model
壅水高度的计算结果与模型试验资料吻合较好，证明了数值模型是可靠的。 |
| 5. | Verification results show that the corrected velocity and backwater height agree well with the measured values in the sketch results model test
经验证，斜交桥修正计算流速和壅水值与概化模型试验的实测值较为吻合。 |
| 6. | We analyze the main cause of the backwater of the canal , and put up rectifying and reforming measures , so as to raise the discharge benefit
然后分析渠道壅水的主要原因，并提出整改措施，以提高灌区的输水效益为目标。 |
| 7. | The block water characteristics and backwater height of skew bridges are experimentally studied with the sketch model of the hegong bridge of a speedway
摘要应用合共公路桥的概化模型试验研究了斜交桥的阻水特性、壅水高度。 |
| 8. | The damming caused by a bridge pier is one of the aspects considered intentionly while building a bridge on a river which flood control standard is low and flood control cost is high so the study of damming is of important value
桥墩壅水是在防洪标准低、防洪费用高的平原河道上修建桥梁时必须重点考虑的问题之一，其研究具有重要价值。 |
| 9. | By comparing and analyzing the measured water level , three - dimensional velocity distribution and turbulent character around the bridge location , the calculation method for the backwater of skew bridges is improved and the reduction factor of block water width is presented
通过对桥位附近的实测水位与水流三维流速分布及紊动特性的比较分析，改进了计算斜交桥壅水的方法，并给出阻水宽度折算系数。 |
| 10. | The experiment data shows that the region with large surface gradients in longitudinal and horizontal direction locates at the vicinity of spur dike . backwater appear upstream the spur dike , and there exist a recirculation area at the same side downstream the spur dike
实测水位资料表明水流纵横向比降大的区域位于丁坝上下游附近，在丁坝的上游出现壅水，下游存在有收缩区和恢复区，离丁坝越远纵横向水位的变幅越小。 |
