| 1. | Experiment study on local score around a new special bridge pier 异形桥墩冲刷试验研究 |
| 2. | Anti - brush test method and indictor are put forward through test 通过试验提出了半刚性基层材料抗冲刷试验方法和评价指标。 |
| 3. | Study on the adoption of simulated rainfall and runoff scouring experiment in predicting soil and water loss 人工模拟降雨与径流冲刷试验在水土流失预测中的应用探讨 |
| 4. | Precast concrete products - test method for glass - fibre reinforced cement - measuring the fibre content in fresh grc , ' wash out test ' 预制混凝土制品.玻璃纤维增强水泥试验方法.新鲜grc纤维含量的测量.冲刷试验 |
| 5. | The laboratorial test confirms the time of pre - brushing . the value index of brushing of lime ash - flying stabilized aggregates is confirmed by the laboratorial test 通过冲刷试验确定了预冲刷时间,并以此为基础提出相应评价二灰碎石混合料抗冲刷性能指标。 |
| 6. | The experimental results indicated that if the emptying scour was employed in the changma reservoir , the deposition in the reservoir could be efficiently driven out and the reservoir life can be extended 选择水库运用过程中两个关键性的淤积高程,进行对水库排沙不利的丰水丰沙年和枯水丰沙年两个水文年7月份水沙过程泄空冲刷试验。 |
| 7. | In this thesis , with eight events of artificial water - washing test on five different slope gradients , factors affecting soil potassium loss by erosion , such as slope gradient , rain intensity , vegetation coverage , and amount of rainfall are discussed 本文通过在5个不同坡度径流小区进行的8次人工模拟冲刷试验,探讨了坡度、放水冲刷强度、植被和降雨量等因素对土壤钾素径流流失的影响。 |
| 8. | In order to understand the characteristics and mechanism of flow washout for the crevice of core wall in earth - rock dam , according to the exemple of crack washout test for the core of heihe dam , constant water level washout test and changing water level washout test are adopted differently , the process of test and the character of the flow washout for the core crack are gone into particulars 摘要为了解水流冲刷作用下反滤层对土石坝心墙裂缝发展保护作用的特点和机理,以黑河土石坝心墙裂缝冲刷试验为例,分别采用常水头和变水头两种方法,探讨了土石坝心墙裂缝在水流冲刷过程中的特点。 |
| 9. | Abstract : an experimental investigation of local scour around a new type bridge pier under a clear water regime is presented . the main characteristic feature of flow is relatively large horseshoe vortex flow along the circumference of the pier . and the procession of scour is discussed in this paper . equation for predicting the depth and area of local scour hole is presented . it is significant for evaluating the potential for scour around this type pier 文摘:介绍了一种新型桥墩即多腹薄壁墩的局部冲刷试验成果.认为桥墩周围的水流以绕流桥墩的相对较强的马蹄型漩涡系为主要特征.并讨论了冲刷过程,给出了预测冲坑深度及大小的关系式,可供估算同类型桥墩的冲刷参考 |
| 10. | Based on the local scouring test of the dike ' s head under the action of clear tidal currents , of both tidal currents and waves , and of both muddy tidal currents and waves , variations of the scoured pit ' s depth at each dike ' s head with time , and the scoured pit ' s depths with three experimental conditions are compared 进行了清水潮流和潮流波浪、浑水潮流波浪作用下的4条丁坝坝头冲刷试验,给出了各丁坝坝头冲刷坑深度随时间的变化,对比了3种试验条件下丁坝坝头冲刷坑的深度。 |