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.
在试验的基础上,研究了瓦斯爆炸过程中壁面粗糙度对火焰传播速度和超压的影响。
On the basis of experiment, the influence of wall roughness on fire transmission and overpressure in gas explosion was investigated.
针对复合煤层回采工作面煤炭生产过程中爆破参数的合理选取问题,进行了一系列现场试验。
To counter the reasonable selection of blast parameters in the process of coal production in a composite coal seam face, a series of on-the-spot tests were conducted.
文章以一座单塔单索面竖琴式预应力混凝土桥为例,详述了静动载试验的原理、方法、过程、测试项目、试验工况等。
Taking the single pylon single cable plane pre-stressed concrete cable-stayed bridge as example, the paper discusses the principle, methods, testing items, and experiment conditions, etc.
本文通过基础试验和现场观测,证明了煤巷掘进工作面煤与瓦斯突出是工作面煤壁盘形拉伸破坏的连锁反应过程。
Based on laboratory experiments and in-situ observations, it has been proved that outburst of coal and gas in in-seam drivage is a chain reaction process of disc tensile fracture in a working face.
在试验过程中,主要考虑了4类模型:(1)后缘裂隙充水模型;(2)前缘洪水涨退模型;(3)坡面降水模型;(4)各种补给并存模型。
During the test, the four models were taken into account, (1) water filled in back fissures, (2) front flood fluctuation, (3) rain-fall on slope surface, and (4) combination of above three models.
试验结果表明,泥水平衡盾构开挖面导致的地表沉降很大程度上取决于开挖过程中泥舱压力的浮动范围。
The results of the model tests were presented with particular emphasis on the balancing mechanism of slurry shields, the development of settlement at the excavating face and the limit slurry pressure.
本文介绍了试验的情况,分析了模型肋拱面内受力全过程的性能,并初步探讨了其面内极限承载力的简化计算方法。
The mechanic behavior of CFST rib arch under in-plane load is studied. The simplified methods to calculate the structure's in-plane ultimate strength are discussed as well.
在试验的基础上,研究了瓦斯爆炸过程中壁面粗糙度对火焰传播速度和超压的影响。
On the basis of the experimental research, the significant influence of the wall roughness on the flame transmission law of the gas explosion was analyzed.
在试验的基础上,研究了瓦斯爆炸过程中壁面粗糙度对火焰传播速度和超压的影响。
On the basis of the experimental research, the significant influence of the wall roughness on the flame transmission law of the gas explosion was analyzed.
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