investigation of structures 中文意思是什麼

investigation of structures 解釋
建築物調查
  1. Performance investigation of photonic crystal with flawed and nonperiodic structures

    缺陷和變周期結構光子晶體特性研究
  2. 224 drillholes, 250 trial pits, refurbishment of 48 existing standpipes piezometers, laboratory testing of soil and rock samples obtained from the investigation works and the structural condition survey on existing highway structures along tuen mun road

    224個鉆孔, 250個探井,重整48個豎管測壓計,將所取得的土壤和巖石樣本進行實驗室試驗,以及對屯門公路上現有的公路建築物進行結構狀況勘測。
  3. Scientific investigation of soil release from textile structures has greatly proliferated in recent years.

    紡織品結構上去除污垢的科學研究工作,近年來有很大發展。
  4. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. So the topic for farther discussion will be developed on the ground of soil - foundation - structure interactions, and em phasizes particularly on the investigation for dynamic effects on interaction of pile - supported structures subjected to lateral seismic load at layered - soil media. it will provide engineering application with practical and concise computational method, but also provides the aseismatic design for pile - supported structures with proper theory foundations and schemes to some extent on condition that definite codes are absent at present. the full article is divided into six chapters, as follows : 1

    本論文工作將圍繞地基-基礎-上部結構共同作用這一課題作進一步探討,側重於水平地震作用下層狀地基土中的樁基-建築物的動力相互作用的研究,為實踐應用提供了適合於工程目的的、比較簡捷的實用計算方法,亦擬為沒有明確規范指導的樁(土)基礎-結構抗震設計提供一定的理論依據和設計建議。
  6. On the basis of the deterioration investigation and anticorrosion coating design of concrete structures of the towers of jiangyin changjiang river highway bridge, this paper discusses the common deterioration problems of concrete bridge towers in a certain environment and also makes a study of the anticorrosion coating design alternatives, construction technology, technical requirements, quality assurance system and inspection criteria for such type of the structures

    摘要通過江陰長江公路大橋橋塔混凝土結構病害調查和防腐塗裝設計,探討在特定環境下混凝土橋塔常見的病害,研究此類特種結構防腐塗裝的設計方案、施工工藝、技術要求、質量保證體系和檢測標準等。
  7. The investigation and study showed that caused by the influencing factors of unit of tectonics, structures of floor rock stratum, conditions of landform, seismic intensities, fault, thickness of malan loess, the distribution of seismic loess landslides is very asymmetrical, which mainly show shapes of patch, belt, line, and there are different development characteristics in different regions

    現場調查顯示,受大地構造單元、基底巖層結構、地形地貌條件、地震烈度、斷裂構造和馬蘭黃土臨空厚度等因素影響,地震黃土滑坡的展布形態較為復雜,在空間上分佈很不均勻,常表現為片狀、帶狀和線狀展布,並在不同區域有不同的發育特點。
  8. Experimental investigation of multi - scale eddy structures ' intermittency in turbulent flow using probability density function of wavelet coefficients

    用局部平均速度結構函數檢測湍流邊界層多尺度相干結構
  9. With practical engineering examples, this paper describes the application of gpr to engineering investigation of such harmful geological structures as karst, faults and fractures

    摘要結合貴州福泉下翁溪水庫、芙蓉江沙阡電站、冗各電站3個工程實例,介紹探地雷達勘探在巖溶、斷層破碎帶等不良地質構造勘察方面的應用。
  10. An investigation of the rijndael algorithm which is the advanced encryption standard of usa is taken in this thesis. we have focused on developing the cryptographic properties of the rijndael sbox from the viewpoint of boolean function, walsh spectrum and algebraic structures, on the attacks against the reduced variants of rijndael, and on the optimized implementations of rijndael. the key contributions follow below

    本文對美國高級加密標準rijndael演算法進行了比較深入的研究,內容包括:從布爾函數、 walsh譜和代數結構的角度對其s盒密碼性質進行的研究,簡化演算法的攻擊方法以及演算法的優化實現問題,主要成果有: 1 、提出求解布爾函數表達式的兩種新方法,具有簡潔、易於編程實現、準確而快速的特點,應用於des演算法獲得與公開文獻相符的結果,應用於rijndael演算法首次求出其s盒布爾函數表達式。
  11. Investigation of radioactive nucleus structures by breakup at intermediate and high energy

    通過中高能碎裂反應研究奇異核的結構
  12. In fact, the investigation of earthquake disaster shows that it is true. first, there are inelastic deformations of structures after intensive earthquake. second, there are permanent deformations of structures after intensive earthquake

    事實上,震害調查結果表明,結構物在強烈地震作用下,確實曾進入非線性工作狀態,具體表現有:裂縫或其它形式的非彈性變形發生、經歷地震後有永久變形存在等等。
  13. This paper presents the experimental investigation of random wave impact on piled wharves with different shore connecting structures, also the certification analysis by the numerical simulation results

    本文應用物理模型試驗和計算機數值模擬相結合的手段,對不同接岸型式碼頭面板底部受到的隨機波浪沖擊作用進行了研究。
  14. This kind of homogenization is very important to the investigation of concrete structures and numerical analysis of engineering. but it is difficult to use these models to study the complete failure process caused by the initiation, propagation and coalescence of cracks when subjected external loading

    這種簡化對于研究混凝土工程結構及進行穩定性的數值分析是非常必要的,但是卻難于研究混凝土材料在外荷載作用下裂紋萌生、擴展及貫通而導致的由細觀層次到宏觀層次的損傷和斷裂過程。
  15. The productions include : 1. the investigation of crackss of masonry structures, the characteristic and the reason on cracks of wall ; 2. the limited element analysis about datum of brick - wall the relation between the maximal stress in wall and the relative sedimentation of foundations, the relation between the cracks form in wall and inner stress, the validity of limited element mode ; 3. the limited element analysis about the relative sedimentation of foundations, the influence of ratio of length and height, foundations rigidity, groundsill rigidity on the inner stress in wall ; 4. the limited element analysis about the influence of temperature on wall cracks and the influence of space between extension cracks, difference in temperature on the inner stress in wall ; 5. the analysis about the cracks rule because of temperature, the contrast between the result and the simulant result ; 6. the study about the influence of cracks of masonry structures because of constriction stress, the experience of dealing with constriction cracks in the domestic and the foreign ; 7. the advice of avoiding cracks because of the asymmetric sedimentation temperature, constringency in design and construction

    本研究結合實際工程中的砌塊建築普遍存在的裂縫問題,參照磚墻裂縫調查研究的成果,針對我省的砌塊應用狀況,進行了充分的調研,並查閱大量的文獻資料,總結了砌塊建築墻體裂縫的特點和規律,通過對溫度裂縫、沉降裂縫的有限元分析和經驗公式的對比,深入的探討了墻體開裂的影響因素,結合各地實際工程經驗,在對混凝土砌塊墻體在材料、設計、施工等方面進行系統的理論分析、綜合研究的基礎上,給出開裂的防治方法,促進混凝土砌塊在我省的推廣應用,為相關規范的編制提供理論依據和經驗分析,主要研究成果有: 1砌塊砌體開裂的調查研究,墻體開裂的特點和原因總結; 2有限元分析磚墻實測數據,揭示了墻體內最大主應力和地基相對沉降量的關系及墻體開裂形態與內部應力的聯系,並且驗證了有限元模型的有效性; 3
  16. With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission

    為了適應大功率微波管的發展,本文展開了對高性能(大電流密度、長壽命)陰極的研究,研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。
  17. Based on the investigation of resident houses in taishun which was destroyed by shanxi reservoir earthquake and the site inspection of the destruction of building near epicenter, it is pointed out that the reason for severe seismic damage is that masonry - concrete structures built in recent years did not obey the rule of the code for seismic design of buildings [ 1 ], which mainly contains three aspects, first, the construction of wall was not consistent with the code, second, the design of structure was not reasonable, last, the site selection of base foundation was not good enough

    摘要通過對今年2月4日2月16日文成、泰順發生的珊溪水庫一系列地震中受災的民房破壞調查(現場勘察地震給震中附近的建築造成的破壞) ,筆者指出這次系列地震震害較重的主要原因是:近年農村新建的磚混結構沒有按《建築抗震設計規范》建設,主要有三個方面:其一,墻體違反規范施工;其二,結構設計不合理;其三,地基基礎選址不恰當。
  18. Abstract : a numerical investigation of three - dimensional separated flows about a hemisphere - cylinder is presented. the analysis has been restricted to transonic and laminar flows. results are given for the complex flow field structures including shock, boundary layer, separated flow, vertical flow and their mutual effects. the topological structures of the separated flow is shown

    文摘:本文數值模擬了半球柱在跨音速、中等攻角時的粘性層流繞流,研究了流場中的復雜三維分離形態結構,其中包含流向與橫向的主分離、二次分離、以及激波邊界層的相互干擾,解釋了在球柱接合部精確捕獲的壓力波動與流動主分離、二次分離的影響關系,這個現象是前人的計算5 , 6未捕捉到的。
  19. By use of effective point mobility, the demerits of traditional study of mobility can be made up, and effective point mobility makes the investigation of the vibration and radiation of structures under complicated excitation possible, which exists in real world widely

    系統地、清晰地論述了有效點導納的定義和其特點,有效導納不僅可以彌補傳統導納研究中存在的局限性,而且將實際工程中普遍存在的復雜激勵的問題納入了研究范圍。
  20. But the seismic investigation shows the unavoidable shear failure of columns. on the other hand, the ductility of structures is vital to ? apacity design * philosophy in seismic design

    在抗震設計中,應用能力設計法設計鋼筋混凝土結構時,須保證結構具有良好的延性破壞機制。
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