permeable layer 中文意思是什麼

permeable layer 解釋
穿透層
  • permeable : adj. 能滲透[透過、穿過]的(to)。 permeable plastics 可透塑料。adv. -ably ,-ness n.
  • layer : n 1 放置者,鋪設者,計劃者。2 【賽馬】(一般)賭客。3 產卵的雞。4 【軍事】瞄準手。5 層;階層;地...
  1. The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact

    本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大波流水槽中進行,試驗中選用的隨機波靶譜為改進的jonswap譜,入射波波高h _ ( 1 / 3 )范圍為0 . 1m 0 . 25m ,譜峰周期t _ p范圍為1 . 0s 2 . 0s ,碼頭面板的相對凈空(碼頭面板底面距離靜水面的距離s與入射波波高h _ ( 1 / 3 )的比值)范圍為- 0 . 1 0 . 7 ,其中s / h _ ( 1 / 3 )為負值時表示碼頭面板底面位於靜水面以下。
  2. 3. the carstic formation is permeable layer and has quite good placeability, its relations of the water permeabitity and placeability have three types as follows : high unit - absorption rate with big grout consumption, the grouting is necessary ; low unit - absorption rate with little grout consumption, the grouting is no need ; low unit - absorption rate with big grout consumption, grouting is no need combining with control the grouting pressure and grout consumption. 4

    巖體透水率與可灌性之間一般存在以下三種組合關系:高單位吸水率與大吃漿量的組合,灌漿是必需的;低單位吸水率與小吃漿量的組合,沒有必要灌漿;低單位吸水率與大吃漿量的組合,應進行灌漿處理,但應適當控制灌漿壓力和耗漿量。
  3. Intensive faults segment the aquifer system to be a complicated mulit - layer system. then, with correlative information and considering the needs for building model, strata are thus divided into sub - layers in the model : the high permeable aquifer is oif2 - 4

    繼而,根據有關資料,並考慮大面積建模的需要,文章對該區的含水系統作出如下分層:強透水層分別是o _ 2f ~ ( 2 - 4 。
  4. Thus, the piping - induced failure of two - layer foundation was verified as that : mass flow firstly appears in the upper weakly permeable layer, and then underground erosion and scouring gradually occur from downstream to upstream between the serviously and weakly permeable layers

    從而驗證了二元結構堤基的滲透破壞模式為:首先在上層弱透水層中發生流土,然後在強、弱透水層之間發生自下游向上游的逐步潛蝕沖刷。
  5. Then, using statistical method, performance indexes are compared, and the prior layer setting is obtained. through elaborate indoor tests, the drainage performance, mechanics performance and durability of asphalt treated permeable material are researched. by statistical analyses of vast test data, the balance range of air voids is obtained, via performance tests in different saturation conditions, the durability of the material is gained

    對瀝青穩定碎石排水層混合料的材料組成進行了精心的室內試驗設計,依據室內試驗結果,對瀝青穩定碎石排水層混合料的透水性能、力學性能和耐久性能進行了各種因素的影響分析,經數理統計分析獲得了有關性能指標之間的經驗關系,找到了透水性能和力學性能之間的平衡點。
  6. It is commonly recognized that subsurface drainage system can improve pavement performance and extend service life. as an essential part of subsurface drainage system, the layer setting and characteristics of asphalt treated permeable material directly affect the performance of subsurface drainage system, which is lucubrated in this paper. based on the typical semi - rigid pavement without permeable layer, using multilayer elastic system program, rational pavement structure with permeable layer at different locations is first analyzed

    本文以高等級公路瀝青路面的典型結構形式作為未設排水層的路面結構原型,通過不同的設置層位分析對排水層的回彈模量和厚度的要求,探討設置排水層的路面結構的一些結構參數適宜的取值范圍,並在此基礎上運用灰色系統關聯分析方法,對不同設置層位的路面結構的技術指標進行比較分析,得出較優的層位設置方案。
  7. By structural analysis and calculation for original highway structure without permeable layer, the critical modulus of base have been obtained which makes asphalt pavement fill different allowable stress criterion. by structural analysis and calculation for different highway structure with permeable layer, critical modulus of permeable base course are obtained to make asphalt pavement fill different allowable stress criterion. the paper also presents the tendency of structure response of different highway structure with drainable layers mainly depends on the thickness of asphalt pavement, the thickness and the critical modulus of permeable base

    對于不設排水層的原路面結構,通過結構計算得出對應于不同的瀝青面層容許應力值時所需的基層臨界模量值;對于加設排水層的路面結構,通過結構計算得出對應于不同的瀝青面層容許應力值時所需的排水基層臨界模量值;加設排水層的路面結構的結構反應的變化趨勢主要取決于瀝青面層厚度、排水基層厚度和排水基層臨界模量值。
  8. To facilitate drainage of groundwater and to maintain water flow, permeable rocks will be used for recompaction. filter layer and weepholes will also be installed. these will guarantee the normal flow of groundwater

    為促進排水及保持正常水流,工程將使用具滲透性的石塊作重新壓實,同時安裝過濾層及疏水孔,以確保地下水仍可如常流出。
  9. Abstract : based on engineering practices, this paper introduces the design, construction technique and monitoring conditions of the artificial dig - hole pile water - interception curtain in strongly permeable layer under complex environmental circumstances

    文摘:該文根據工程實踐,介紹了復雜環境條件下,強透水地層中,人工挖孔樁截水帷幕的設計、施工技術及監測情況。
  10. Through drilling exploration for several years, the extra - low permeable reservoir of yanchang formation in pingbei area of ansai qilfield, has discovered the main oil reservoirs are chang4 + 5 ( subscript 2 ) layer, chang61 layer and chang6 ( subscript 2 ) layer, their pay thickness has reached over 20m, and the reservoir number, reservoir thickness, original oil in place and oil well production have been increased obviously

    摘要安塞油田坪北區延長組特低滲透儲層,通過這幾年鉆探發現主力油層為長4 + 5 (下標2 )層、長6 (下標1 )層和長6 (下標2 )層,油層厚度達20餘米,油層層數、油層厚度、原始原油地質儲量和油井產量都有明顯增加。
  11. Dynamic behavior of two unequal parallel permeable interface cracks in a piezoelectric layer bonded to two half piezoelectric materials planes

    壓電材料中兩平行不相等界面裂紋的動態特性研究
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