The internal cause is the week pervious beds occurred in the base of levee at the crevasse site.
决口处堤基大量软弱透水地层的存在，是决口的内在因素；
The pervious asphalt concrete is the paving material more advanced internationally, and just used locally.
透水沥青混凝土是国际上较为先进的筑路材料，国内刚开始采用。
Lighting through the holes of pervious tough textured surfaces is like lighting a space of corroded rocks.
在如同腐蚀岩洞的空间中，透光岩壁的孔洞为空间提供照明。
Pervious concrete and porous asphalt are not considered open grid as they are considered bounded materials.
透水混凝土和多孔沥青不被认为是开放式网格，而是有边界材料。
The pervious research works on the product design process are summarized, and the deficiencies are analysed.
本文对产品设计过程国内外研究现状进行了总结，分析了存在的不足。
The field experiment is an effective way to explore the infiltration properties of the urban pervious surface.
现场试验是获得城市透水面雨水下渗特性的重要手段。
For DAMS built on pervious foundations, upstream blankets are often used as one of the measures of seepage control.
在透水地基上筑堤坝时，铺盖是常采用的防渗措施之一。
The pervious to light of the rice-pattern glaze is better, the surface of glaze is level smooth, the glossiness is higher.
玲珑釉的透光性好，釉面平整光滑，光泽度较高。
For deep and pervious soil foundation under earth-rockfill dam, a concrete diaphragm wall must be provided to control seepage.
建造在透水的深覆盖层上的土石坝，坝基常设有混凝土防渗墙，如何正确地确定防渗墙的应力是坝工设计的难点。
Lots of articles have introduced the calculation method of earth dam seepage with pervious ground base or impervious ground base so far.
迄今为止，已有大量的文献介绍建立在透水或不透水地基上的土坝渗流计算方法。
Pervious surfaces could decrease the urban storm peak, conserve rainfall in the underground, and reduce the high air temperature of city.
透水铺装具有缓解城市防洪压力、涵养地下水源、改善城市热环境等特点。
The practice showed that the application of the principles of pervious lining tunnel to the design and analysis is feasible and reasonable.
实践证明，运用透水衬砌隧洞的原理进行设计和分析是可行的，合理的。
The pervious effect produced by underground water has two attributes and imposes more influence on water pressure than on effective soil pressure.
地下水产生的渗流效应具有两重性，其对水压力的影响大于对有效土压力的影响。
The comparison and analysis on the finite element method and the boundary element method of high-pressure pervious lining tunnel have been conducted.
主要进行了有限元法高压透水衬砌隧洞和边界元法高压透水衬砌隧洞的比较分析。
When lowering the requirement of water permeability, the pervious bricks would meet the requirement of concrete pavement brick standard(JC/T 466-2000).
降低透水能力的要求，则其强度可以满足JC/T 466-2000混凝土路面砖标准的要求。
Fascine dike is one of the methods for the control of collapsing pits along river bank, which is actually a pervious dike piled up by the fascine bundles.
沉梢坝是长江崩窝治理形式之一，它是由若干树枝梢体在崩窝口门叠加而成的透水坝，是在岸线崩塌形成崩窝以后采用的锁口促淤方法。
We are puzzled by the pervious to water, the underground coal seam fire prevention, the question of deep zone mining and coal mining from incidence in Jixi.
透水、地下煤层防灭火、深部开采问题、大倾角采煤已经成为困扰鸡西煤炭开采的技术问题。
A mix proportion design method of pervious concrete is provided, of which total void ratio is the first design parameter and compressive strength is the second one.
根据透水混凝土的结构特征，对其配制参数和配合比计算方法进行了研究，提出了以总孔隙率为第一设计参数，抗压强度为第二参数的配合比设计方法。
The structure of flexible pervious pipe is rational, with strong filterability and obvious drainage effect. It is convenient for construction, and can meet design requirements.
软式透水管管体结构合理，过滤性能强，排水效果明显，施工方便，能满足设计需要。
Pervious cement pavement concrete is of good perviousness, it can release the problems of highway seeper and urban environment, so it is a sort of environmental protection concrete.
透水水泥路面混凝土具有良好的透水性，能够缓解公路积水和城市环境问题，是一种环保型的混凝土。
PC board with pervious to light quality, impact resistance, heat insulation, weather resistance, prevent dewing excellence, flame retardant, sound insulation and processing function.
PC板具有透光性强、抗冲击、隔热、耐候、防结露、阻燃、隔声和超卓的加工功用等。
This paper introduces the boundary element method to study the affect of the blanket length for earth-rock dam on the infinite deep pervious foundation on the seepage of dam foundation.
采用边界元法研究无限深透水地基上土石坝铺盖长度对坝基渗流的影响。
This paper introduces the boundary element method to study the affect of the blanket length for earth-rock dam on the infinite deep pervious foundation on the seepage of dam foundation.
采用边界元法研究无限深透水地基上土石坝铺盖长度对坝基渗流的影响。
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