震中烈度 的英文怎麼說
中文拼音 [zhènzhōnglièdù]
震中烈度
英文
epicenter intensity-
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。Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile
將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來，計算分析了成層地基中單樁的橫向地震響應，得到了以下結論： 1 ）上部結構慣性力對樁的橫向地震響應的影響不可忽略； 2 ）成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響，隨地震基本加速度、上部結構質量的增大而增大；場地特徵頻率越接近樁基自振頻率，樁基地震響應越大，等於自振頻率時，由於發生共振現象，樁基響應幅值最大； 3 ）樁土剛度比越大，樁土之間的相對位移的幅值越大； 4 ）樁頂固接的連接方式，可以有效地降低地震時單樁的橫向地震響應。This paper related to a practical project that a high school is big bay building with teaching, experiment and studying, aim at the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), and the building loading much ( the building " self - weight is over the 9. 0 kn / m2 ). compared to r. c. rectangle columns, studying the aseismic performance of the r. c. special - shaped columns pure frame structure, the r. c. special - shaped columns frame - truss structure and the r. c. special - shaped columns frame - shear wall structure
本文，結合某中學大開間教學實驗綜合樓的具體工程，就抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（類場地） ，並且建築物所受荷載較大的情況（建築物自重超過9 . 0kn m ~ 2 ） ，通過與矩形柱分析比較的方式，研究了異型柱純框架結構、異型柱框架-桁架結構，以及異型柱框架-剪力墻結構的抗震性能。Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。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。The reservoir - induced earthquake magnitude is usually ! low but its epicentral intensity is high and is nearby important equipments. so it can destroy seriously project and induce secondary disasters
由於水庫誘發地震震中都緊鄰重要水利工程設施，且震源淺，震中烈度高，所以雖然震級大部分不高仍然可造成大的破壞。Generally ship lift structure is consisted of two or four huge reinforced concrete tube towers and a single - story machinery building on the top of tube towers. because the tube towers is demanded to support the large loads, the lateral stiffness of tube towers is a few hundred times as solid as that of the top machinery building and cause the sudden change of the stiffness. this change would cause insentive seismic whipping effect of the top building. the aseismic methods are difficultly used to reduce seismic responses of the top building of ship lift structure. the feasibility of develop an intelligent vibration control system is explored in the paper
這樣，在塔柱頂部鋼筋混凝土平臺就會產生側移剛度的突變。這種巨大的剛度突變會引起升船機頂部廠房強烈的地震鞭梢效應，使得升船機頂部廠房地震反應的控制就成為升船結構抗震設計中的關鍵問題之一。由於採用常規的結構振動控制方法難以較好地解決升船機頂部廠房地震鞭梢效應，因此這就為智能振動控制技術的發展和應用提供了可能。Because of its many advantages, the tapered portal frame is getting more and more application. ( ( technology code of light steel structure of portal frame ) ) ( cecs 102 : 2002 ), our country enacted, does n ' t define conditions that tapered portal frame needs anti - earthquak - e design. but mentions in illustration of rules : when earthquake fortification intensity is 7 degree, the portal frame does n ' t need anti - earthquake checking generally ; but for 8 degree and above, horizontal just with lengthways frames both need anti - earthquake checking
楔形變截面門式剛架山于其諸多的優點得到越來越廣泛的應用，我國頒布的協會標準《門式剛架輕型房屋鋼結構技術規程》 （ cecs102 2002 ）中沒有對變截面門式剛架需要進行抗震設計的情況進行具體規定，但在後面的條文說明中提到： 「當抗震設防烈度為7度時，一般不需做抗震驗算；當為8度及以上時，橫向剛架和縱向框架均需做抗震驗算。 」It begins with designing two representative reinforced concrete public frames according to new codes in this paper, and carries out nonlinear dynamic analysis by inputting ground motions at the intensity of intermediate earthquake and rare earthquake actions. the slab - bars effect on yield strength of beams is involved in analysis
本文嚴格按照新規范設計了設防烈度分別為7度半、 8度半的兩個民用建築鋼筋混凝土典型框架，然後分別對其進行了設防地震作用和罕遇地震作用下的非線性動力反應分析，並在分析中考慮了板筋作用對梁端屈服彎矩的影響。Abstract : based on the results obtained from seismic safety evaluation of 128 engineerng sites in china, statistics and analysis of relevant intensities with differient probability levels and peak acceleration are made to provide parameters of probability levels of earthquake resistance in the seismic design code
文摘:以全國范圍內128項工程場地地震安全性評價結果為基礎，對不同概率水平相應的地震烈度和加速度峰值進行統計分析，為合理確定抗震設計規范中設防地震的概率水平提供了依據。The arch dams locate at such areas which have high mounain, deep valley, steep slope, narrow riverway and high seismic intensity. the aseismic capabilities of high arch dams have relationship with lives and properties of people and productions of industry and agriculture, so the eanhquake becomes the main factor of arch darns design
這些大壩所在地區山高谷深，岸坡陡峻，河道狹窄，地處高地震烈度區，高壩的抗震性能關繫到下游廣大地區工農業生產和人民生命財產的安全，考慮地震因素成為大壩設計中的控制工況。In case that the overall seismic resistance design of these kinds of huge platforms and upper structures is under developed, and that beijing is in the area of strong earthquake ground motion, overall seismic behavior and design method about these sorts of structures deserve in - depth experimental and analytical research
由於此類超大平臺結構和上部結構整體抗震設計的經驗尚少，而且北京地處高地震烈度區，故對這種超大平臺結構和上部結構，整體抗震性能和設計方法是工程中亟需解決的問題。The earth dam had in the past usually been under severe impact during violent earthquakes. the rockfill dam with clay core in mania multi - purpose water project is constructed in high intensified areas, it is therefore imperative to have a thorough knowledge about the earthquake resistance of the dam
以往土石壩在強震中曾遭受過嚴重的震害，滿拉水利樞紐工程土心墻堆石壩建立在高烈度區的土石壩，因此，了解和掌握滿拉大壩的抗震性能是非常必要的。The stability of the landslide is a critical problem for feasibility of the project, and has a direct influence upon the operation of the lower reservoir and the power system. the sliding mass has been studied by some designer in geological investigation. the study showed that guishan sliding mass is in stabilization under natural condition, is not in stabilization under vii earthquake intensity
在前期的研究中曾對滑坡體的穩定問題進行了研究，研究結果認為從宏觀定性分析，滑體處于穩定狀態，但經過計算，在度地震烈度下，處于極限平衡或不穩定狀態，為確保工程安全，對推動式的龜山滑坡體採取削坡減載的開挖方式將是行之有效的方案，這樣可以提高滑坡體在地震條件下的穩定性，因此，研究龜山滑坡體在不同開挖方式方案條件下的穩定性問題具有非常重要的實際意義。Combining these formulas with some earthquake intensity and site - eigenperiod, the lateral seismic responses of free - head and fixed - head pile groups were calculated
結合具體的抗震設防烈度和場地特徵周期，計算了成層地基中群樁的橫向地震響應。Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result
西安理工大學碩士學位論文在水平地震作用下，並考慮風荷載組合，分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系，通過改變結構參數，運用空間有限元方法，進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ，以及「構件內力」 。結果表明:在等面積原則下，異型柱代換矩形柱后，結構剛度增大，側向位移明顯減小，地震反應力略有增加，框架柱軸壓比最大增幅小於8 % ，結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時，結構有利於抗震;水平地震作用力與整體坐標夾角為0度時，結構地震作用效應較大，屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐，側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小，構件內力增大適中，是一種抗震性能優越的結構體系:在抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（ m類場地） ，採用異型柱結構體系時，應盡可能減輕結構自重，降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算，兩種方法所得結果基本一致。We may all agree that the local physics of fracture or friction play a strong role, but how do these scale from the controlled conditions of the laboratory to the field case, how do we account for changes in the boundary conditions, and how do we take into account the strong interactions between faults during earthquakes
我們可能都同意破裂或摩擦的局部物理性發揮重要的作用，但是如何將基於實驗室控制狀況獲得的這種信息用來標度現場地震事例的情況，我們如何去計算考慮邊際狀況中的變化，我們又如何計算考慮地震期間斷層之間強烈的交互作用？ 」In the comprehensive fuzzy evaluation model of soil liquefaction, the following factors, such as earthquake intensity, spt counts, groundwater level and mean diameter of sand soil particle which affect the liquefaction of sand soil were considered, and the sketch map of trapezoid subordinate function was adopted and the subordinate function expression of each factor was given
在提出的砂土液化模糊綜合評判模型中，通過綜合地震烈度、標貫擊數、地下水位和平均粒徑等影響砂土地震液化的因素，採用梯形隸屬函數並分別給出各因素隸屬函數的表達式。The method which is common used of designing the isolation structure is based on the concept of " level - conversion intensity "
在隔震結構的設計過程中，對上部結構的設計現有的實用設計方法是採用「水平換算烈度」的方法。This paper firstly compares the provisions about torsion effect and anti - torsion design in several codes ( the old and new chinese code for seismic, and some other countries " codes ). then, according to the code for seismic design of buildings ( gb50011 - 2001 ) and the code for concrete structure design ( gb50010 - 2002 ), the paper designs two multi - storied irregular concrete spatial frames, which respectively situated at the area of fortification intensity 8 and 9. subsequently, using the program based on the column - beam element of fiber model, input several ground motion records, which are selected according to the demand of code, to carry the structures " three - dimensional nonlinear analysis in two perpendicular directions at the same time
本文對比了我國新、舊建築抗震設計規范（ gb50011 - 2001 、 gbj11 89 ）以及國外設計規范（或指南）中關于結構扭轉效應與抗扭設計的相關規定；按照新建築抗震設計規范和混凝土結構設計規范（ gb50010 2002 ） ，設計了設防烈度分別為8度和9度的兩個多層鋼筋混凝土不規則空間框架結構，利用纖維模型樑柱單元的三維非線性動力分析程序，根據新抗震設計規范的要求，在設防地震作用和罕遇地震作用水準下選擇適當的地震波作為輸入，對結構進行了雙向地震作用下的三維非線性動力反應分析。分享友人