頂底效應 的英文怎麼說

中文拼音 [dǐngdexiàoyīng]
頂底效應 英文
top-bottom effect
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  • 底 : 底助詞（用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」）
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 效應 : [物理學] effect; action; influence
  1. Applying those engineering techniques, at present, the following results are obtained : the ground temperatures on the top and at the bottom of an embankment made of crushed rock are all lower than those of common embankment, so the crushed rock embankment is of great advantage of decreasing embankment temperature, and becomes an effective and initiative engineering measure to protect permafrost ; the crushed rock embankment can actively adjust the temperature difference between south slop and north slop, and mitigate the asymmetry of ground temperature ; the deformation of the crushed rock embankment is less than that of common embankment

    通過以上的施工技術，取得了相應的階段性成果：片石路基片石層頂面、底面與路基基底位置處地溫分別低於普通路基相同位置處地溫，片石路基有利於降低路基地溫，是一種有效的主動保護多年凍土工程措施；片石路基在調節路基陰陽坡地溫起到了積極的作用，減輕了路基地溫不對稱性的發生；對比片石路基和普通路基的路基變形量，片石路基的變形量相對較小。
  2. Author analyzed the relationship between the length and the impurity concentration of drift region and thickness of buried oxide layer and thickness of soi and the charges of oxide layer and bias voltage of bulk and breakdown voltage and on - resistance by numerical simulation

    採用數值模擬分析方法，深入研究了漂移區長度、漂移區濃度、埋氧層厚度、頂層硅厚度、氧化層電荷以及襯底偏壓對resurf效應、擊穿電壓和導通電阻的影響。
  3. With an analysis of soil liquefaction potential for free field of nanjing metro line 1 under 7 degree earthquake, as well as for excavated field, in line with railway engineering anti - earthquake design specification, dynamic triaxial tests and theoretical analysis using efficient stress method, the author comes to the conclusion that, when metro plate is located at layer s and the layer is thick, liquefied area is at metro bottom plate ; in some local section liquefied area is at metro top plate, or arch sides at the top of metro in most places

    摘要採用鐵路工程抗震設計規范、動三軸試驗及有效應力的理論分析相結合的方法，對南京地鐵南北線（ 1號線）區間隧道開挖后其地基土在7度地震情況下的土層液化情況進行分析得出：當隧道底板坐落在5層且5層較厚時的液化區出現在隧道襯砌底板處；局部地段液化區出現在隧道頂部及拱腰；大部分地段的液化區出現在隧道頂板上方。
  4. This paper is based on practical drilling data of drilled irruptive rock body in western sha segment of huimin depression, rock body subfacies in this phrase and seismic, electric logging features in pyrolysis metamorphic belt are analyzed, so as to summarize a set of practical methods, which identify drilled various subfacies and irruptive rock top and bottom boundary by cuttings log and drill time logging

    本文以惠民凹陷西部沙三段已鉆遇侵入巖體的實鉆資料為依據，嘗試性地對沙三段侵入巖體各亞相帶及熱解觸變質帶的地震、電測響應特徵進行研究，總結出一套較為實用的通過巖屑錄井、鉆時錄井手段識別所鉆遇的各亞相帶和進行侵入巖體頂、底界卡定方法，現場應用效果很好。
  5. The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large

    本文主要包括以下內容：從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式，並將有限元方法應用於剛架拱橋結構溫度應力的計算中，對橋梁結構進行整體溫度應力分析；討論了年溫差和日照溫差引起的橋梁結構的溫度效應，表明年溫差引起的溫度效應較小，而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈；分析比較了橋梁結構各個部位的溫度效應的大小，可知截面越小溫度拉應力越大，受力越不利；並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討，發現在頂板下緣也會出現相當大的溫度拉應力，並且梗腋的存在反而增加了頂板底部的溫度拉應力；還對幾種相近的剛構式橋型的溫度效應進行了分析對比，總結了這些橋型針對溫度效應的優劣，並提出相應的針對性措施。
  6. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。
  7. From top level event fault, every level events " ineffective rate and unreliability limit are calculated and sorted by maximum probability of occurred faults in each level, the sequence of the bottom - event is arranged, and then the most probably happened bottom - event correspond to the specific top - event is found rapidly

    從頂事件開始，計算各級故障的失效率和不可靠度，按照各級故障發生的最大概率，排列出底事件序列，迅速找到某一頂事件最可能對應的底事件，實現智能故障分析與診斷。
  8. The disadvantageous effect should be considered when the deflection between the structural mass center and stiffness center exists

    摘要結構剛度中心與質量中心偏差較大時，應考慮扭轉的不利影響，將高層建築結構等效為懸臂桿，從頂至底依次選取脫離體。
  9. Empirical analysis show that hierarchicalstructure panel data analysis model is the better one. finally, the dissertation study unit root test and cointegration of panel data set anddiscuss nonstationary of gdp and export annul data from 1992 to 2004 in the prc ’ sprovince, cities, and autonomous regions. empirical analysis show that the panel datahas a unit root, so it is nonststionary

    並且考慮到中國內地省區市1992年至2004年的年度國內生產總值與對外出口貿易總額的面板數據集在中國內地東部、中部和西部的差異而設定了包括東部、中部和西部三個頂層效應以及各省區市的底層嵌套效應，利用建立的兩層嵌套面板數據模型對多層嵌套面板數據集做了實證分析，得到了較好的兩層嵌套擬合模型。
  10. In this paper, three - tower building with name of oriental tunes square in xiamen is analyzed by the international current program sap2000, considering seismic action in two directions. by structural modeling and calculation, the characteristic of vibration of the multi - tower structure is analyzed, the influences of the rigid ratio of the enlarged base to top tower and translation - torsion coupled effects among several towers are investigated, the inter - story displacement, displacement of the top tower and deformation of tower ' s base floor in x and y major orientation under earthquake action are contrasted with those under wind load. at last, the distributing characteristics of stress of transfer plate and of the normal, shearing stress of mostly vertical elements under earthquake action are studied

    本文以具有3個塔樓的廈門東方時代廣場為分析對象，採用國際通用有限元分析軟體sap2000進行結構建模和分析，考慮雙向地震動輸入，研究結構的振動特性，分析底盤與塔樓剛度比對結構的影響以及多塔之間的扭轉效應和平扭耦聯作用，對比風荷載和地震作用下塔樓在兩個結構主軸方向的層間位移、頂點位移以及塔樓底層的變形，分析地震作用下轉換層樓板的應力分佈特點及主要豎向構件的正應力和剪應力分佈特點。
  11. On basis of this property a new type of coherence function was proposed and a simplified method of analyzing structure ' s wind - induced response and equivalent load was proposed. wind tunnel experiments with the caarc standard tall building model was executed to verify the proposed method with the dynamic balance technique. the comparisons show the good agreement on the basis of linear mode shape assumption that is used in balance technique

    按照簡化方法計算的基底傾覆彎矩功率譜、基底彎矩響應、頂部加速度和位移響應等參數均能與高頻底座天平試驗的結果較好的符合，等效設計荷載的計算結果也與按照《建築結構荷載規范》的計算結果具有一定的可比性。
  12. And the best scheme among them has been proposed. in the last, with design opt of ansys, assigning roof plate ' s and base plate ' s thickness as design variables, making them meet the constraints of displacement of roof plate and base plate, and assigning the maximum stress of the structure as the goal function, the pile - boots structure has been optimized

    最後利用ansys自帶的優化求解器designopt ，以對樁靴結構強度和變形影響較大的頂板和底板厚度為設計變量，在滿足重要部件?頂板和底板豎向位移的約束條件下，把結構的最大等效應力設為目標函數，採用一階優化方法，對樁靴結構進行了優化設計，並得到了最優解。
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