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排水性能
相关语句
  drainage performance
     Test result shows that porous concrete has fine drainage performance,its permeability coefficient is more than 10 cm·s~(-1);
     结果表明多孔混凝土具有良好的排水性能,其常见配合比的渗透系数均大于10 cm.
短句来源
     Research on Evaluation Method of Drainage Performance of the Porous Asphalt Pavement
     排水性沥青路面排水性能评定方法研究
短句来源
     Research on Drainage Performance and Design of Drainage Structure on the Porous Asphalt Pavement
     排水性沥青路面排水性能研究与排水设施的设计
短句来源
     Based on the analysis of the time pavement structures exposed to saturation, the drainage performance of pavement structures, the declining rules of resilience modulus of pavement materials and the changes of interfacing conditions between two layers, a new method of pavement design is provided.
     通过路面结构受水浸泡的时间长短和路面结构的排水性能 ,以及受水浸泡后路面材料抗压回弹模量下降的变化规律和层间接触条件变化分析 ,提出了沥青路面结构设计的新思路和新方法。
短句来源
     And then the drainage performance of porous concrete is studied, porosity and coefficient of penneability are thought to be good targets of its drainage performance, and the dependence relation of coefficient of permeability and porosity is drawn by tests with the permeameter developed by the author.
     研究了多孔混凝土的排水性能,提出空隙率和渗透系数是表征其排水性能的指标,利用自行研制的渗透仪,得出渗透系数与空隙率的相关关系。
短句来源
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  drainage capability
     By the way of finite element method, the influence of drain holes on dam seepage flow field and the mutation feature of drain holes are studied through changing the drainage capability of drain holes, and the theoretical reference is provided for the rational and economical design of drain holes.
     借助有限元数值分析方法,通过改变排水孔排水性能来模拟排水孔对大坝渗流场的影响,研究排水孔的转异特征,为选择经济合理的排水孔设计方案提供理论依据。
短句来源
  drainage effects
     In addition, drainage effects of the geotextile laid below the geogrid are examined based on the analysis of finite difference numerical modeling.
     基于有限差分数字模型的分析 ,测试了放在土工格栅下面的土工布的排水性能
短句来源
  “排水性能”译为未确定词的双语例句
     A Method for Drainage Evaluation of Airport Pavement
     机场道面排水性能评价方法
短句来源
     Water absorbability and dewatering capacity of non-woven fabric of PET/EHDPET profiled blend fiber
     PET/EHDPET异形共混纤维非织造布的吸排水性能
短句来源
     For this reason, large amount of tests and studies on rockfill materials in laboratory and field have been done, such as gradation, compacted density, porosity, compressive modulus, drainage capacity, strength and stress strain relation.
     为此,针对水布垭工程的具体情况,对筑坝材料的级配、压实密度、孔隙率、压缩模量、排水性能、强度和应力应变等特性进行了大量的室内外试验研究。
短句来源
     By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled.
     通过控制混合料的干密度、水泥用量和水灰比的取值范围,可使混合料同时满足排水性能要求和结构强度要求。
短句来源
     In order to keep enough gas channels, pore volume between 0.01 μ and 0.08 μ need to keep a certain volume, the performance of single cell can be kept.
     微孔层中0. 08-10 μ左右的孔越多,排水性能越优。
短句来源
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  drainage performance
Theindicators now are sufficiently mature to be recommended for use inirrigation and drainage performance assessment.
      
  drainage capability
Retrofit-reinforcement of cohesive soil slopes using high strength geotextiles with drainage capability
      
Retrofit-reinforcement of cohesive soil slopes using high strength geotextiles with drainage capability
      
Also, it prevents the spray membrane from destroying the drainage capability of the rock side geotextile.
      
De Wit and Stankiewicz calculate future water supply in Africa by examining the reduction in drainage capability.
      
The base course mixture was open-graded to maximize drainage capability.
      
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  drainage effects
In addition, drainage effects of the geotextile laid below the geogrid are examined based on the analysis of finite difference numerical modeling.
      
The inertia and the drainage effects were considered and the Perturbation method was used.
      
Investigation of water flow in landslide slopes proved that the sliding surfaces are apparent in their dilatation sections by intense drainage effects that can be used to determine their location.
      
Drainage Effects on Stream Nitrate-N and Hydrology in South-Central Minnesota (USA)
      
Coal mine drainage effects on a lotic ecosystem in Northwest Colorado, U.S.A.
      
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Research and design of GJ-6 type of plastic greenhouse was car- ried out on the basis of summing up the experience of production in greenhouse in close connection with the weather,economical and pro- duetive conditions in Northern China.The advantages of GJ-6 type of plastic greenhouse are its being simple in structure,its being low in cost and its being good in Resistance to corrosion.In the period of its operation,GJ-6 type of plastic greenhouse can resist strong gale and the accumulation of snow 4-6cm in...

Research and design of GJ-6 type of plastic greenhouse was car- ried out on the basis of summing up the experience of production in greenhouse in close connection with the weather,economical and pro- duetive conditions in Northern China.The advantages of GJ-6 type of plastic greenhouse are its being simple in structure,its being low in cost and its being good in Resistance to corrosion.In the period of its operation,GJ-6 type of plastic greenhouse can resist strong gale and the accumulation of snow 4-6cm in thickness without damage caused to plastic sheets and deformation of trussed arch frames.The design of crank arches is rational,and the performance of drainage is also good.Accrdingly,with daily rainfall of 39.3mm,there is no water bubbles to occur so that drainage is smooth.It is a principl facilities of seedling culture for the cultivation of early maturing summer vegetables.

GJ——6型塑料温室的设计和研究,是在总结我国温室生产经验的基础上,结合我国北方地区的气候、经济和生产条件进行的。此型塑料温室具有结构简单,安装方便,造价低廉和防锈性能好等特点。在使用期间,可抗九级大风和4~6厘米积雪,薄膜无损,拱架无变形。曲拱设计合理,排水性能良好,在日降雨量为39.3毫米时,无水包出现,排水流畅。此型温室是夏菜早熟栽培的主要育苗设施。

The open channels in the coal yard of Baosteel ironmaking plantwere constructed for quick drainage of the ground surface acumulated water during flood or rainy seasons. However, due to the defficiencies, i. e., omission of the steps supporting the cover plates along the edge of upper walls of the open channels and the adoption of low-bearing-capacity reinforced concrete cover plates, more than 70% of cover plates were damaged, and the channels silted by coal cinders since the use of the open channels. Now steps...

The open channels in the coal yard of Baosteel ironmaking plantwere constructed for quick drainage of the ground surface acumulated water during flood or rainy seasons. However, due to the defficiencies, i. e., omission of the steps supporting the cover plates along the edge of upper walls of the open channels and the adoption of low-bearing-capacity reinforced concrete cover plates, more than 70% of cover plates were damaged, and the channels silted by coal cinders since the use of the open channels. Now steps have been made to avoid the protrusion of the cover plates from ground surface, and the bearing capacity of the cover plates and the surface drainability of the open channels have been enhanced by the application of the flat steel grid plates.

明沟是宝钢炼铁厂的煤堆场在汛期及雨季迅速排除地表大量积水的一项技术措施。由于在明沟两壁上部沟缘未设置搁放盖板的台阶与采用的钢筋盖板承载能力较低,在投入生产使用后,造成明沟盖板大量损坏,其损坏量高达70%以上,沟内煤渣淤塞,明沟失去了使用效果。现经技术改造,沿沟边设置了搁置盖板的台阶,避免了盖板突出地表面,同时采用了扁钢格栅盖板,增大了盖板的承载能力,提高了地表排水性能

Based on electrolyte moldel, the authors of this paper tested three-dimentionalseepage flow movement for five types of conventional structures. The tests revealed the basicpattern and the law of changes in seepage flow field for pipe drainage. A qualitive describtion of drainage ability of five types of pipe structures is given in the paper. Meanwhile,flow coefficient values, which affect comprehensively pipe drainage performance, were used to make quantitative comparision and analysis for drainage performance...

Based on electrolyte moldel, the authors of this paper tested three-dimentionalseepage flow movement for five types of conventional structures. The tests revealed the basicpattern and the law of changes in seepage flow field for pipe drainage. A qualitive describtion of drainage ability of five types of pipe structures is given in the paper. Meanwhile,flow coefficient values, which affect comprehensively pipe drainage performance, were used to make quantitative comparision and analysis for drainage performance of different pipe structures under different parameter conditions. Combined with previous testing results on sand tank,this paper provides basis of reasonable design for pipe structures. In addition,the analytic equations of two-dimensional seepage flow were developed by using conformal mapping methods,including scheme 4 that has only vertical crack and scheme 5 that permits water to flow through the whole pipe wall. Throug statistical and linear regression analysis for data, the approximate equations of three-dimensional seepage flow movement were also established.

作者选用电解液模型对农田排水暗管的五种结构处理进行了三维渗流测试,揭示了其渗流场的基本形态及势场变化规律,定性地描述了此五种暗管结构排水性能的优劣,同时采用能综合反映暗管排水性能的流量系数值,对不同结构在各种参数组合条件下的排水性能作了定量的分析对比,结合以往室内砂槽试验成果,提供了合理的暗管结构设计依据。此外,应用保角变换法求得了仅有纵缝和全管壁进水的两种结构的二维渗流量解析式,并通过对试验资料的统计分析和线性回归分析法推导出三维渗流量的近似计算式。

 
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