通过黄土水槽冲刷试验,初步研究了黄土区坡面径流的水动力学特性。
The hydraulic characteristics of runoff flow on loess steep slope were studied experimentally in flume.
本文设计并完成了一系列小规模细沟侵蚀冲刷试验,研究细沟侵蚀过程中的动力学规律。
This paper designed and finished a serial of small scale scouring experiments to study the dynamics in this process.
通过玻璃水槽试验和径流冲刷试验,研究了坡面径流的流速分布和坡面细沟侵蚀发生的临界条件。
Based on the experiment of glass flume and the experiment of runoff scouring, the runoff velocity distribution on slope and the critical condition of rill erosion were researched.
利用径流冲刷试验,在不同植被格局的坡面上,对黄土丘陵区坡面不同植被格局的侵蚀产沙规律进行了研究。
According to a runoff scouring experiment on different vegetation patterns of slope faces, the loess hilly gully regions different vegetation patterns are studied.
通过室内泥岩颗粒动态冲刷试验、抑砂试验和对地层的伤害试验,测试了FY J - 2的防膨抑砂效果。
The effect of blowout prevention and sand control of FYJ-2 is tested by laboratory experiment of dynamic mud stone particle flushing, sand control experiment and formation damage test.
通过不同坡度、不同流量的组合放水冲刷试验,对坡面细沟侵蚀发生过程中的坡面流水动力学特性进行了研究。
The hydrodynamic characters of runoff in the process of rill erosion were studied by using runoff scouring experiment under the different slope gradients and the different flow discharges.
为解决黄河潼关河段射流清淤工程有关技术问题,分析其冲沙效果,利用室内水槽进行了静水、动水条件下射流冲刷试验。
To solve related dredging problems and to analyze the effectiveness of jet flow scouring for the Tongguan stretch of the Yellow River, jet flow scouring experiments were made in laboratory flumes.
路用性能的试验内容包括:抗压强度、劈裂强度、抗弯拉强度、抗压回弹模量、温缩干缩、抗冲刷试验、冻融试验和疲劳性能试验。
The road performance test include: compression strength, cleavage strength, rupture strength, modulus of compression strength resilience, shrinkage, fatigue test and washout test.
为了调整上荆江河势及预测三峡工程兴建后上荆江河势变化趋势,分阶段进行了上荆江实体模型河势调整试验和河床冲刷试验研究工作。
In order to adjust Upper Jingjiang stretch fluvial regime and predict its change tendency after completion of TGP, a physical model study on Upper Jingjiang stretch was carried out at various stages.
本文研究的主要目的是通过物模试验探索一种新型的海底管线防护模式,实现管线冲刷区的快速防护。
The main aim of this thesis is to search for a new type of shield model for subsea pipeline through physical module experiments, and to realize quick protection for pipeline in swash zones.
请申明管线的现场试验以及冲刷(吹净)要领。
Please explain the method of field test and flushing(blowing off )of the pipelines.
试验结果表明,用加大岩块容重模拟基岩的方法,较好地复演了原体的冲刷过程。
As shown by the experimental results, the scour of prototype was reappeared well by the use of increasing unit weight of the rock block.
在室内做湿化试验,分析了土性、压实度对试样抗冲刷能力的影响。
Through slaking test, the influence of the soil characteristics and the degree of compaction on the outwash resistance of the soil were analyzed.
本文论述了铁路路基边坡植被防止雨水冲刷的试验研究。
This paper presents the experimental research guarding against erosion by rainfall with planting grass on railway slope.
本文通过试验方法研究了高水流冲刷区优化的阻尼降噪结构。
An optimum damping structure for noise reduction applied in the scoured region of high-speed flow is studied by experimental method.
低应力冲刷磨损的测试是在混砂盘及橡胶轮两种磨损试验机进行。
Low stress erosion wear tests were done in sand mixing pan and rubber wheel wear testing machine.
试验结果表明:浑水水流的单宽流量大小、含沙量的多少以及含沙粒径的变化都对冲刷坑深度有一定的影响。
The result indicates that the discharge per unit width, the sediment concentration, the grain size of sand influences the depth of scour hole.
通过对宝石水库冲刷漏斗的试验分析认为,在边界条件限制下,冲刷漏斗将呈现二维结构,淤积三角洲基本向坝前平行推进。
According to the tests, the scour funnel would be two-dimensional feature under the specific condition. The deposit material transport to the dam synchronously.
随着试验周期的延长,表面产生了腐蚀产物,这时冲刷作用对试样表面腐蚀产物膜的破坏更加严重,所以冲刷腐蚀速率比浸泡腐蚀速率增加。
Along the experiment time was prolonged, the corrosion products was appeared on the surface of sample. Then the runoff effect became more aggravated, so the dynamic corrosion rate was elevated.
通过反滤保土试验及冲刷自愈试验,给出了适合水布垭宽级配防渗料的反滤设计标准。
Through the filter protective soil tests and fissure self healing tests, the filter design standard of the wide grading anti seepage materials of Shuibuya Project is given.
最后,通过分析对比局部最大冲刷深度资料,得出各试验组次局部最大冲刷深度的分布规律。
Finally, we obtained distribution of the maximum depth of local scour under each experimental group by analysing and comparing the maximum depth data of local scour maximum.
试验结果表明:护坦减轻了下游纵向围堰左侧坝趾处的回流淘刷,隔流墩明显减轻了防冲墙附近河床的冲刷,确保了坝基和下游纵向围堰的安全。
The test results show that the apron can reduce back flow at the dam toe, and the piers can obviously diminish river bed scouring near the scour resistant wall.
与模型试验结果相比,经验公式计算的冲刷量偏大。
Compared with the results of model test, the outcome calculated by experiential formula is on the high side.
为了分析、比较、评价不同类型半刚性基层材料抗冲刷性能,为半刚性基层材料的设计提供依据,研制了动水压力对带裂缝沥青路面半刚性基层冲刷作用模拟试验机。
For analysing, comparing and appraising the anti-erosion properties of different kinds of semi-rigid base materials, offering the basis for the design, the simulation testing machine is developed.
以现场天然沙为试验床质,利用系列模型,采用不规则波与潮流相结合的方式,对江苏LNG接卸站人工岛周围的冲刷情况,进行了系统试验。
Systematic tests are carried out to study the erosion of the man-made island of the Jiangsu LNG Terminal with irregular waves and tidal currents by using natural sand in the model.
本文根据丁坝作用后水槽中水流情况,采用动量方程结合试验资料,导出了丁坝下游主槽平均流速沿程变化的公式,以此为基础,提出了丁坝作用下河床冲刷段长度的计算公式。
According to the flow state in flume for spur and experimental data, the formulas for the mean velocity of main channel varying with distance downstream were derived with momentum principle.
试验结果表明,FD- 2型封堵剂的堵水率高,耐冲刷能力强,并可首先进入渗透率较大的井段,实现选择性堵水。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
按照钱塘江河口的典型实测水流、泥沙资料确定试验方案,对隧道断面冲刷现象进行模拟试验。
Qiantang river estuary is measured in accordance with the typical water and sediment data to determine the tunnel test program to simulate the phenomenon of erosion.
按照钱塘江河口的典型实测水流、泥沙资料确定试验方案,对隧道断面冲刷现象进行模拟试验。
Qiantang river estuary is measured in accordance with the typical water and sediment data to determine the tunnel test program to simulate the phenomenon of erosion.
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