水下地震 的英文怎麼說
中文拼音 [shuǐxiàdezhèn]
水下地震
英文
underwater earthquake-
The comprehensive treatment project of lin jia ya slide el consists of whittling slope, anti - slide pile with anchoring cable, retaining wall, building ground drainages, level ing off and calking slope, vegetation protection etc. after managing, under the action of earthquake load and watery the stability coefficient of slide is up to 1
林家崖號滑坡的綜合治理方案是由削方、錨索抗滑樁、護坡擋墻、地表排水、整坡填縫、生物防護等多種工程措施優化組合而成。治理后,在飽水有地震荷載狀態下滑坡的安全儲備系數為1 . 10 。Abstract : this paper discusses some problems in design of brick masonry building with internal frame under horizontal earthquake effect t he problems of the distance of asemic cross wall, the caculation model of outer wall - colum and interal frame, some asemic load bearing capacity the author ' s vi ew is also presented
文摘:本文就多層內框架磚房在水平地震作用下抗震橫墻間距、外壁柱和內框架柱的計算模型,與有關抗震承載力計算等問題進行了分析,並提出作者的意見。The papers whose research object is the 7 - floor frame - structure with isolator - seismic layer, in which the isolator - seismic layer adopt some standard interlayer rubber isolator. by establish a 3 - dimension finite - element modal and use the a nalysis soft - ansys, we can make dynamic analysis on the structure. by analyses we can get some response characteristics of the structure sparked by the normal and rarely earthquake of 8 - degree fortify intensity, by the double - horizons seismic and by the vertical seismic
本論文設計了一7層的具有隔震層的框架結構並以此為研究對象,其中隔震層採用標準件的夾層橡膠隔震墊,通過建立三維有限元分析模型,運用大型有限元分析軟體? ansys對結構進行動力響應彈塑性時程分析,得出了結構在8度設防烈度下的常遇水平地震和罕遇水平地震激勵下的響應特性、在雙向水平地震波激勵下結構的響應特性和在豎向地震波激勵下結構的響應特性。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。Special - shaped column frame with ved, frd and f - ved are analyzed under minute earthquake and disastrous earthquake, which are compared to that of r. c. special - shaped column frame. the results indicates that the new system with ved, frd and f - ved can effectively reduced the seismic responses than special - shaped column frame ; and that it is more obvious for r. c
最後本文對設置ved 、 frd和f - ved的異型柱框架結構在水平地震作用下的反應進行了時程分析,通過與純異型柱框架結構在同一地震作用下的時程曲線進行比較,得出以下結論: 1 )採用設置ved 、 frd和f - ved的異型柱框架消能減震結構體系可以有效減小地震反應; 2 )設置f - ved的異型柱框架結構的減震效果比設置ved或frd更明顯。7. horizontal earthquake acceleration is used in this paper for slope risk analysis ; the relationship between the safety factors under the earthquake effect and non - earthquake effect is obtained. the reliability index is expressed by the safety factor
7 、將地震力效應以水平地震加速度的形式引進土坡的可靠度風險分析中,探求動力作用下土坡的動力安全系數與相應條件下的靜力安全系數的關系,並以安全系數來表徵土坡的可靠度。This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces
本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效應力,另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度,這兩方面的因素均將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。The author is studying on the mechanism of reservoir - induced earthquake in order to predict it. the research results include five aspects : 1
為了給水庫地震預測提供依據,本文對水庫地震誘發機理進行了如下研究: 1Analyzing the propagation behaviors for open and close crack, the author gain that normal fault is more dangerous to earthquake than reverse fault and glide fault. 3. appling fracture mechanics to discuss reservoir - induce earthquake mechanism, the author observes the characteristic of surface crack and gains the stress intensity factor induced by the pressure of rock, water and osmosis
針對庫區斷層為表面裂紋這一特點,研究水庫地震的斷裂特點,得出地應力作用下的應力強度因子、庫水作用下的應力強度因子和滲壓作用下的應力強度因子以及它們的應力強度因子之合,並且合理的解釋了構造型水庫地震的誘發機理。The research suggests that the failure process of the multi - ribbed composite walls under horizontal seismic loads is : the cracks of the infilled silicate bricks and the cracks of the inner rib beams and rib columns - the cracks of the outer frames ; and that the walls can release energy by stages, showing perfect capacities of energy dissipation and collapse resistance
研究表明:復合墻板在水平地震力作用下,其破壞過程按「填充砌塊?肋梁肋柱?外框架」的順序進行,分級釋放能量;試驗中墻板大部分發生剪切滑移破壞;墻板的平均抗剪承載力、延性指標、耗能及抗倒塌能力明顯優于組合磚墻。The deformation of the structure mainly focused on the isolated layers and the superstructure shift as a whole. the interlayer displacement of the isolation system is far low. the earthquake effect of the base - isolated structure is dicided on the horizontal stiffness and elastic and plastic capability of the isolated layer, the base shear, the interlayer shear, th ' e interlayer displacement of the isolation system is far lower than the result of the base - fixed system under the same condition of the superstructure
橡膠墊隔震結構在水平地震作用下的反應以「整體運動」為主,結構位移主要發生在隔震層,上部結構的層間位移很小。隔震結構的地震反應主要決定於隔震層的剛度和彈塑性性能。其中,隔震結構的基底剪力,上部結構的層間剪力在多遇地震下,比不隔震時均有所降低。It is also shown that the buckling failure of the rigid wall arises easier from the horizontal seismic ground motion than from the vertical one, therefore the elephant foot bulging deformation is also easier produced
在完全相同地震加速度作用下,水平地震作用比豎向地震作用罐壁更早更容易進人屈曲狀態,產生「象足」變形。The elephant foot bulging deformation of rigid walls of liquid - storage tanks under horizontal and vertical seismic ground motions is analyzed by using the finite element model involving fluid sloshing and tank bottom uplift with ansys
摘要基於ansys軟體建立了考慮液體晃動和罐底提離立式儲液罐有限元模型,分別進行了水平地震和豎向地震作用下罐壁「象足」變形分析。This study provided an example that water pumping affects groundwater level observation, which may be significant to distinguish groundwater anomalies from water pumping interference
深入分析該井水位變化的成因,為研究鄰井抽水對地震地下水動態觀測井水位動態的影響提供了一個實例,對于識別地下水前兆異常與抽水干擾有一定的參考意義。T - phase. underwater earthquake
T震相.水下地震A solid - waste containment system can be simplified as a slope which contains a layer of geomembrane ( which is simplified as interlayer slope in the rest part ). shaking table model test and numerical analysis have been done to study the seismic stability of interlayer slope based on the two - part wedge theory in this paper. many factors which affect the slope stability ratio, including horizontal seismic coefficient, slope angle, soil - geomembrane interaction coefficient, slope length, layer thickness and soil character, have been took into consideration
填埋場防滲基坑的邊坡可以簡化成含土工膜夾層的土坡(以下簡稱夾層土坡) ,本文根據「雙滑楔體」理論思想,對夾層土坡的地震穩定性問題進行了較為系統的模型試驗和數值分析,著重考慮了水平地震系數、夾層土坡坡角、土工膜與覆蓋層土體摩擦系數、夾層邊坡長度和厚度、夾層土坡覆蓋層土體性質等因素對土坡安全系數的影響,並對地震作用下夾層土坡的永久變形進行了初步的研究,給出了對實際工程設計有參考價值的結論。Special - shaped column frame, its seismic behavior is studied and a new dissipating - seismic - energy structure, r. c. special - shaped column frame with viscoelastic friction damper ( f - ved ) is proposed and studied. a three - dimension solid element model is established for a special - shaped column frame to study its seismic behavior and time history responses under earthquake, some conclusion is drawn about its characteristics of force and displacement under horizontal earthquake action
為了進一步推廣和擴大異型柱框架結構的應用范圍,本文對異型柱框架結構在水平地震作用下的受力特點和抗震性能進行了研究,並提出在異型柱框架中設置粘彈性?摩擦阻尼器( viscoelastic - frictiondamper ,簡稱f - ved ) ,對其進行了水平地震作用下的減震控制研究。In this paper, the authors studied a method, in which the anomaly parameter of seismic precursor is abstracted form the observed data of underground water level, and the spatial distribution patterns of the anomaly parameters in north china was scanned from 1984 to 2002 by using the parameters abstracted as inputs, and than, every pattern was superposed with the numerical pattern or quantitative evaluation about the tectonic activity and seismic risk in north china, to realize combining the spatial scanning of precursor anomaly with active tectonic background
摘要對地下水位地震前兆異常開展了參數提取方法的研究,並以其提取的結果為輸入,對1984 ~ 2002年華北地區地下水位異常參數分佈做了全時空掃描,繼而將全部圖像與華北地區構造活動性量化評估的數字化圖像進行了疊加,實現了地下水位異常動態掃描與區域構造活動性背景的結合。4 ) the dynamic interaction factors of pile groups under horizontal earthquake actions and dynamic forces considering axial loads are first derived in this field, and the affection degree of the factors by the axial loads are investigated
4 )首次推導了考慮軸向力時水平地震作用下和樁頭動力作用下群樁動力相互作用因子,分析了軸向力對動力相互作用因子的影響程度。Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences , wmcn are ootll shear wsll sttllctlllt , are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ! s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty , tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l
首先研究在低周反復水平加載試驗下試驗對象的強度、變形和能量的特性:開裂荷載、屈服荷載、破壞荷載;各試件的滯回曲線和骨架曲線;延性情況;初始剛度和剛度退化等參數:進而用satwe有限元程序分析對比了某一小高層剪力墻結構在採用空心剪力墻板和採用普通實心剪力墻作為墻體的結構受力異同點,在質量、主振型、剛度、水平地震效應等方面做了對比。分享友人