main earthquake 中文意思是什麼

main earthquake 解釋
主震
  • main : adj 1 主要的,主,全,總。2 充分的,盡量的;全力的,有力的。n 1 體力,氣力;力〈僅用於 with might...
  • earthquake : n. 1. 地震。2. 大變動,動亂。
  1. The worst damage from the main earthquake was in the coastal cities of ica and pisco, south of lima

    利馬南部的沿海城市伊卡和皮斯科是受災最嚴重的地區。
  2. After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force

    在綜合研究危巖上的各種作用之後,本文提出了危巖的形成和破壞機理:硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層,結構面的的存在是危巖形成的地質基礎;地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用;重力、水壓力、地震力是危巖崩塌的主要荷載。
  3. National standard ? 《 standard for classification of seismic protection of buildings 》 ( gb50223 - 95 ) adopts the method of upgrading the seismic - measures to upgrade category structure ' s earthquake - resistance level. it is different from some foreign codes ( such as us 、 new zealand ) which adopt the method of upgrading the earthquake - design - level. the main topic of this dissertation is to study which method is more effective

    國家標準《建築抗震設防分類標準》 ( gb50223 - 95 )中對乙類建築採用的是通過提高抗震措施等級來提高其設防水準的方法,這與國外(如美國、紐西蘭、歐共體等)對重要建築所採用的提高設計地震力的方法有概念上的差異。
  4. The historical earthquake damage indicated that the destruction of buildings is the main destruction form in the earthquake in a city

    歷史震害表明,建築物的破壞是城市地震災害中最主要的形式。
  5. The earthquake damage of highway system shows that the failure of retaining structures is sometimes one of the main causes of road damage and bridge collapse

    公路工程的震害表明,擋土結構的地震破壞,往往是造成道路受損、橋梁破壞的主要原因之一。
  6. Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed

    文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔,對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析,得出了埋深不同液化區出現區域不同的結論,並提出隧道抗液化的合理埋深。
  7. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震振動臺試驗,觀察了結構的破壞過程和地震反應,分析了結構及構件的抗震性能;建立了結構的精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。
  8. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。
  9. Through the geological survey of no. 1 main - canal project of zhangfeng reservoir, this paper analyzes and evaluates on the landform and geomorphy, physi - geologic phenomena, stratigrasphic - lithologic characteristics, hydro - geologic conditions and geologic structure of the main canal, and the geological conditions of the earthquake zone and the project zone

    通過對張峰水庫一干工程的地質勘測,對乾渠的地形地貌、物理地質現象、地層巖性、水文地質、地質構造及地震和工程區地質條件進行了分析與評價。
  10. The results show that the main factors influenced structural earthquake are earth damage degree, fault length stress and an angle between extend stress axes and fault strike

    研究結果表明,地殼損傷程度、斷層長度、應力及拉應力軸與斷層走向之間的夾角是影響構造地震的主要因素。
  11. Based on the study of tectonic framework and seismicity in the north china plain, main seismotectonic belts are determined, and earthquake capacities of the belts are evaluated

    摘要本文分析了華北平原第四紀主要構造格局和強震活動特點,劃分了主要強震構造帶,並對其發震能力作了評價。
  12. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  13. Grounded on analysis of the interior factors ( such as valley - side slope structure, stratum structure, fissure without displacement, loess microstructure and shearing strength, etc. ) and exterior factors such as rainfall, earthquake and so on, it is proved that human ' s cutting a terrace of building houses in the loess slope is the main factor of inducement of the landfall

    對谷坡結構、地層結構、節理、黃土的顯微結構特徵、黃土抗剪強度等內部因素和人為斬坡、降雨、溫差等外部因素進行了定性分析。結果表明人為斬坡平基建窯是導致此類崩塌的主導因素。
  14. The conclusion that the torsion of main - beam can improve the earthquake resistant behaviors of the beam - to - column joints can be reached from the results of the test and other people ' s studies

    4 .現行設計規范中關于框架樑柱節點的構造措施和要求,仍適用於該結構體系的過柱次梁?邊梁?柱節點
  15. The result show, most of the medium - strong earthquakes faults are dip - slip reversed, distribution of the main stress p axis is sector from west to east ; there are large difference between kuche and baicheng region in seismic activities, but the characteristic of cluster is same in the two region ; the distribution of medium - strong earthquakes is nw direction in baicheng region, it show, there can have a concealed fault ; small earthquake clusters ' activities can reflect the effect that local medium - strong earthquakes to the secondary small structure around it

    結果表明:南天山東段中強震震源斷錯以傾滑逆斷為主,主壓應力p軸由西到東呈扇形分佈;相距較近的庫車與拜城地區地震活動存在較大差異,但均存在明顯的成叢性分佈特點;拜城地區中強地震分佈呈北西向可能預示著該區存在隱伏斷裂,小震群活動則可能反映了局部中強震對周圍次級小構造的影響。
  16. The sequence and activity characteristics of shuikou reservoir induced earthquake are analyzed with several methods, such as probabilistic evaluation, comprehensive effect parameter e evaluation, two - step comprehensive fuzzy evaluation, the maximum magnitude of historical earthquakes evaluation, etc. the results show that the shuikou m ( subscript l ) 4. 1 earthquake on april 21, 1996 is a main - earthquake, and from now on, the possibility occuring m ( subscript l ) > 3 induced earthquake in shuikou reservoir area is low

    摘要應用概率法、綜合影響參數預測法、兩級模糊評判法、古登堡里克特公式外推預測法等對水口水庫誘發地震序列以及活動特徵進行了研究,認為: 1996年4月21日發生的m (下標l ) 4 . 1地震為水口水庫誘發地震主震,今後庫區發生大於3級以上誘發地震的可能性較小。
  17. So, it is necessary to study the seismic reliability of lifeline systems for the needs of earthquake hazard mitigation. this paper presents some methods for solving these problems, which is based on the fact in our country. the main contents includes : 1 ) the seismic damage behavior of the buried pipeline is analyzed by synthesis

    對此,本文從我國城市抗震防災工作對基礎性研究的迫切需要出發,結合我國城市地下管網系統的實際情況,在綜合分析了現有國內外相關研究的基礎上,以理論探討和工程實用性並重,對城市地下管網系統的地震可靠性分析方法進行了較為全面系統的研究。
  18. Catastrophic damages to structure can be made by lateral permanent displacement, namely large ground displacement, on gently sloping ground induced by liquefaction of saturated soil deposits during earthquake, which is the main type of seismic damages of highways, railways, bridges, docks, embankments, buildings, underground structures and lifeline engineering in liquefied area. in recent ten years, studies on the new type of failure made by liquefaction have been carried out

    地震過程中由於飽和砂土液化誘發的小坡度地面側向永久位移即地面大位移對結構的破壞,是液化區公路、鐵路、橋梁、碼頭、堤壩、房屋、地下結構與生命線工程震害的主要形式之一,近十幾年來,人們越來越重視對這種新的液化破壞形式的研究。
  19. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層,昔格達地層能否用作高速公路路基填料,國內沒有先例,本論文就是結合導師的科研項目,在非典期間,現場長達5個月的工作,完成了從試驗、現場施工工藝到路堤分層沉降監測等工作,是面對生產實際,認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有:對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析,研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響,通過地區地震活動頻繁,差異沉降較大,對公路建設、安全運行和沿線構築物設計有較大影響;由於昔格達地層在有些路段作為地基、有些作為路基,對其基本性質進行了研究:包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明:昔格達地層為湖相沉積,主要為砂巖和泥巖,它以細粒組為主,同時粘粒的存在,使其具有一定粘性。
  20. Several important conclusions are gained by the analysis of push - over method and quasi - static reversal load pattern to a reinforced concrete structure : under the two earthquakes, the responses of structure are more serious than the responses under single earthquake, by the conclusion, it is not rationality that structure ' s earthquake damage prediction under single earthquake ; the main - after earthquake action is different from fore - main earthquake action under the same earthquake magnitude combination ; the push - over analysis to the structure is convenient and utility, it also reflects the response and performance of structure under the earthquake, so the method ' s development future is wide. based on the research of the former scholars, some means of structure resisting earthquake are introduced in the last part of this thesis, and the result of earthquake damage prediction for the planning area of quanzhou city is given

    通過對一鋼筋混凝土結構進行push - over分析與擬靜力循環往復加載分析,得到了一些重要結論:在兩次地震動作用下,結構物的反應比僅考慮一次地震動作用時的反應要嚴重的多,從而說明傳統上僅僅考慮一次地震動作用的建築物震害預測是不合理的:即使在同震級組合的兩次地震作用下,前震主震型、主震餘震型地震對結構物產生的破壞作用也是不盡相同的;對結構物進行靜力彈塑性分析的方法( push - over方法)簡便實用,並能較準確地反映大震下結構的一般性能和反應,再一次的證明了該方法具有廣闊的發展前景;根據前人的研究成果,在本文的最後,簡單的介紹了一些結構物抵禦多次地震破壞作用的方法,並給出了泉州市規劃區內鋼筋混凝土框架結構群體震害預測的結果。
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