豎向排水 的英文怎麼說
中文拼音 [shùxiàngbèishuǐ]
豎向排水
英文
vertical drainage-
Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented
摘要基於砂井等應變固結模型,考慮初始有效應力沿深度變化,忽略井阻和豎向排水固結的影響,應用平均孔隙比與平均有效應力的對數關系,建立砂井非線性徑向排水固結的分層計算模型,並求得常荷載作用下的徑向排水固結解析解。Well, while things stood thus, suddenly the hispaniola struck, staggered, ground for an instant in the sand, and then, swift as a blow, canted over to the port side, till the deck stood at an angle of forty - five degrees, and about a puncheon of water splashed into the scupper holes, and lay, in a pool, between the deck and bulwark
就在這種情況下,伊斯班裊拉號突然一震,搖搖晃晃沖上淺灘,船底擦到了沙地上,船身迅速地向左舷傾斜,直到甲板成四十五度角豎了起來,大約有一百加侖的水從排水孔涌進來,在甲板和舷墻之間形成了一個水池子。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。At the same time, the main feature of structure on atria is a floor opening or series openings connecting two or more stories. this structure feature has challenged the traditional smoke control technology, which is the concept of floor - to - floor compartmentation, adopted in tradition buildings
但是中庭建築在豎直方向上連續貫通數層的結構特點,卻向傳統建築設計中所採用的水平分區、垂直分隔的防排煙措施提出了挑戰。The achievement of this paper verifies that after - treatment technology with such pile has the functions of drainage solidification, cementing, vertical strengthen and change, which applies a new way to dealing with soft ground in freeway and other hostile foundation especially with bridge foot protection and flop at bridgehead
本文研究證明,無砂混凝土小樁后處理技術具有排水固結、膠結、豎向增強、置換等綜合作用,為高速公路軟基及其它不良地基特別是橋梁基礎加固以及橋頭跳車處理等提供了一條新的途徑。Erection of noise barriers and provision of associated civil, structural, electrical mechanical, geotechnical, utility, landscape and drainage works, fire services, waterworks, street lighting, traffic aids and directional signs
豎設隔音屏障進行相關的土木結構機電土力公用設施環境美化和排水渠工程,安裝消防設備,並設置街道照明設施輔助交通設備及方向指示標志。The pore water pressure difference between silt and pvds ( or sand drains ) increases and the soil consolidation velocity is accelerated during the embankment construction
在路基填築期間,淤泥地基與豎向排水體之間的孔壓差增大,加速土體固結。Some key subjects of numeric analysis were discussed such as : selecting principles of constitutive equations of soft clay, the equivalent theory of vertical drains ground, the definition of load step, the determination of vertical drains as well as the treatment methods of the decline of groundwater level, sealing wall and nearby water source
著重論述了真空預壓加固地基數值分析中對土體本構方程的選擇、砂井地基等效轉換、分析荷載步的確定、豎向排水體的界定、地下水下降的處理、密封帷幕的處理、附近補充水源的處理等問題。The mechanics of vacuum preloading was discussed by contrast of vacuum preloading and heaped preloading. the factors affecting the result of vacuum preloading for ground consolidation were as follows : the geological conditions of site, the intensity of vacuum pumping, the condition of underground water and installation of vertical drainage line. through analysis of these factors, some conceptions and design principles were proposed for vacuum preloading
在此基礎上,通過堆載預壓與真空預壓的對比闡述了真空預壓加固地基機理,分析了影響真空預壓加固地基最終加固效果的各個因素:場地地質條件、抽真空作用強度、地下水賦存情況及豎向排水體的設置等。A method to back analysis the distribution pattern of negative pore - water pressure along vertical drainage line was proposed. some practical vacuum preloading projects were analyzed. the results showed that distribution patterns of negative pore - water pressure along the vertical drainage line were uniform and the magnitude was about half of the vacuum degree under the membrane
提出由現場實測資料反分析豎向排水體中的負壓分佈的方法,通過對若干工程實例的反分析,認為真空預壓下負壓分佈沿豎向排水體的分佈基本均布,其值約在膜下真空度的50左右。According to calculations, it was necessary to adopt a new type of structure of the shaft lining with vertically yieldable segments for reason of safety
分析計算表明:應採用豎向可縮新型井壁結構防止井壁因沖積層疏排水而破壞。分享友人