震源場 的英文怎麼說
中文拼音 [zhènyuánchǎng]
震源場
英文
source field- 震 : Ⅰ動詞1 (震動) quake; shake; shock; vibrate 2 (情緒過分激動) be greatly excited; be deeply ast...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 震源 : [地球物理] focus; seat; hearth; centre; centrum; origin
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Recently, using solid clay brick is gradually prohibited, so the new wall material is required to fill up the new architecture. many sections research on this field, using fly ash to develop new building materials is the mostly adopted method, among the new building materials, fly ash foamed concrete is a noticeable one because of its outstanding merits such as light weight, heat preservation, sound insulation and good resisting earthquake. using fly ash to develop foamed concrete can not only become fly ash into resources, but also provide a new kind of building materials for the innovation of wall materials, which has good economy and society ben efits
近年來,由於墻改「禁實」政策的實施,市場急需新的墻體材料來填補新建築所需,許多單位相繼開展了各有關研究,綜合利用粉煤灰研製開發新型建材逐漸成為了主流,其中多孔混凝土特別是粉煤灰發泡混凝土,正以它突出的輕質、保溫、隔音、抗震效果好等優點,成為一種引人注目的建築材料,利用工業固體廢棄物粉煤灰研製發泡混凝土不僅能實現粉煤灰的資源化,而且還可為墻體材料的改革提供一種新型建築材料,具有較好的經濟效益和社會效益。Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer
摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上,結合該地區的震源機制解及有關的應力實測值,對礦區現今構造應力場進行了三維數值模擬,並對模擬結果進行了線性回歸分析,得到了與現實較為符合的結論,為更合理的巷道布置和更經濟而安全的巷道支護提供依據。Now the diffuse earthquake has been used in the earthquake hazard analysis for the nuclear power plant. so we collect some records from the small - moderate earthquakes with magnitude between 4. 0 - 6. 5 and distance from the source less than 70 km. then we develop the attenuation laws of these earthquakes expecting to reflect the attenuation laws of the diffuse earthquakes
通常為近源中小地震的彌散地震影響是核工程安全性評價中的重要內容,為滿足核工程地震安全性評價工作的需要,本文選取了一些震級介於4 . 0 ? 6 . 5之間,距離小於70km的中小地震的近場記錄,對這些地震的衰減規律進行了研究。The inversion of non - elasticity attenuation coefficient, source parameters an
利用井下數字地震記錄反演非彈性衰減系數震源參數和場地響應Combined with some previous results, we have generalized preliminarily the dynamic evolution characteristics of stress field in the focal region and its adjacent area before moderate and strong earthquakes, and tried to give out the judgement index of earthquake prediction with the comprehensive mechanism solution of small earthquake
結合前人的有關研究成果,綜合歸納了中、強地震前震源區及附近應力場的動態演變特徵,並嘗試給出了小震綜合機制解參數預報地震的判據指標。The 1, 000, 000 ton dimethl ether project is making the project by the juye lu - lin mining industry corporation to be possible to grind the report, the project application report, the safety evaluation report, the environment appraisal report, the occupational disease appraise report, the earthquake, the disaster, the water resources proof, the conservation of water and soil, reports and ash dregs depth of field penetrability appraisal and so on
巨野縣100萬噸二甲醚項目由巨野魯鱗礦業集團公司正在做項目可研報告、項目申請報告、安全評價報告、環境評價報告、職業病評價報告、地震、地災、水資源論證、水土保持、灰渣場深透性評價等報告。( 3 ) based on the analyses results of simple inference method and seismic focal mechanism and on the statistic results of measured geostress data, the direction of principal stress was derived and based on the analyses results of macro geological estimate and on the statistic results of measured geostress data the magnitude of principal stress was derived too. the influence of rapidly down - cutting of yellow river on geostress field of studied zone was discussed. then the evolution of geostress field accompanying with the down cutting of yellow river and was simulated with fem and the spatial distribution features of geostress were discussed
根據簡易推斷法、地震震源機制分析法以及地應力實測資料統計分析結果,綜合確定了工程區的主壓應力方向;運用地質宏觀判斷法並結合地應力實測資料的統計分析結果對地應力的量級進行了綜合評價,並進一步討論了黃河快速下切對研究區地應力場的影響;運用有限元法模擬了研究區地應力場的形成過程,並探討了地應力的空間分佈規律。In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods
本文基於對大量歐洲強震記錄的研究,分析了地震動豎向與水平向分量在峰值加速度、反應譜值、頻譜周期等參數方面的差異,以及這些參數與場地、震源機制、震級和震中距的關系,得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ,豎向地震動分量的作用不可低估;在短周期,豎向地震動影響系數的最大值僅取為水平向地震動影響系數最大值的65 %是偏於不安全的,可以考慮按周期分段採用不同的折減系數;我國現行抗震規范中設計反應譜特徵周期的取值偏低,可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間,豎向設計反應譜的特徵周期應有單獨規定。This paper discussed two problems in current seismic safety evaluation for engineering site, i. e., the requirements of seismotectonic investigations and evaluation in near site area ( near region ) at the different seismic work levels ; and consistency between seismogenic structure and potential earthquake source with deterministic method and probabilistic method in engineering site seismic work at i - level
摘要本文討論了目前工程場地地震安全性評價工作中大家關心的兩個問題:不同級別地震工作的近場區(近區域)地震構造調查和評價的不同要求以及級工作中確定論和概率論分析方法中發震構造與潛在震源區的統一性。The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes. there are not stationary part any more in the envelop function of these ground motions. after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function
近場的中小地震由於其在到震源的距離與震級方面的特殊性,其時程包絡函數的形狀與遠震、大震有很大的區別,在遠震、大震包絡函數中很常見的平穩段不再存在。It is significant for energy exploration, seismic prospecting, groundwater utilized and rock engineering to study the characteristics of seismic wavefields in those orthotropy media
研究正交各向異性介質中地震波場特徵對地震預測、巖體工程、地下水利用和能源勘探開發有十分重要的意義。Adopting this model, we analyze the seismic hazard near the chelungpu fault that generated the chi - chi ( jiji ) earthquake with magnitude 7. 6 and the following conclusions are reached. this model is reasonable on the base of focal mechanism, especially for sites near potential earthquakes with large magnitude ; the attitudes of potential rupture surfaces have great influence on the results of probabilistic seismic hazard analysis and seismic zoning
結果表明:採用潛在地震破裂面源模型是合理的,因為它可以模擬地震破裂面與地震動影響場的三維展布特徵,尤其適用於較大震級地震的近場區域;潛在地震破裂面源的大小、產狀,對近震源場點的地震危險性分析和地震區劃結果有明顯的控制影響。Some special problems in evaluation of seismic safety for offshore engineering site are discussed in this paper, such as the seismic hazard analysis considering the influence of moderate - deep focal earthquake, and the earthquake response analysis of soft soil layers on seabed
摘要本文探討了海域工程場地地震安全性評價涉及的幾個特殊問題,如考慮中深源地震影響的地震危險性分析、海底軟弱土層場地地震反應分析等方面的問題。By using the projective covering method and projective covering probability, fractal and multifractal dimensions of different types of landform sueface above are computed. results show that all the studied landform surface are not simple fractals, but multi - range scaling fractals, and the fractal dimensions increase with the landform type from basin to mid - low mountain and high mountain. nevertheless, different type landscapes perform different dq - q curve shapes. which the dq value has the widest range in the high mountain type, the second one is the mid - low mountain type, and then the basin type
對不同時段地震形變場圖象多重分形特徵的研究表明,震源區及近震源區強震前垂直形變圖象都出現信息維降低,多重分形譜曲線dq變陡,值域范圍變寬的特徵,說明在強震前地殼垂直形變出現了局部化、不均勻性增強的行為,這些對地震預報都有重要的實際意義。In chapter 3, the basic theory and method of retrieving source time functions from far - field seismic records to invert for the temporal - spatial source process were expatiated systematically
第三章系統地闡述了從遠場體波提取震源時間函數( stf ) ,用提取的stf反演震源破裂時間?空間過程的基本原理和方法。We have studied synthetically the tectonic stress field in the three gorges and its adjacent area by use of data of crustal deformation, focal mechanism and borehole stress observation
摘要利用地形變測量、震源機制和鉆孔應力測量等資料,綜合研究了三峽及鄰區的構造應力場。The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration. ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method. ( 3 ) by using the controlled illumination, the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient
與其他類似偏移速度分析方法的不同點在於: ( 1 )疊前深度偏移採用基於波動理論的快速合成震源記錄演算法; ( 2 )偏移方法採用平面波震源,與速度分析方法一致; ( 3 )應用控制照明技術,避免了因橫向變速而導致的平面波震源波場在傳播過程中的畸變,從而減小了速度分析的誤差; ( 4 )實用的速度譜設計,使交互偏移速度分析可行且易於操作。Abstract : the china seismological bureau and the federal institute for geosciences and natural resources of germany will launch an international co - operative project “ near - field seismic observation by mobil array and seismic hazard mitigation in beijing area ” in the spring 2001
文摘:中國地震局和德國聯邦地球科學和自然資源研究院將於2001年春季開始一項「流動臺陣近場地震觀測和北京地區防震減災」的國際地震合作計劃。The previous researches on the seismogenic process emphasized particularly on single earthquake source model and theory, and studied the phenomena and mechanisms of long term medium term and short - term earthquake preparation process according to its temporal and spatial dynamic evolvement of stress field and strain field in earthquake source and its neighboring area
關于地震孕震過程,早期的研究大多側重於震源模型和理論,圍繞地震孕育發生過程中,震源及其鄰近地區應力場、應變場的時空動態演化來研討其長、中、短、臨各階段的現象與機理,而較少涉及各地震之間相互關系的研究。By using the data of comprehensive mechanism solutions of small earthquakes and suing the signs of initial p wave recorded by seismic recording, the dynamic changes of stress field of small earthquakes occurred before four moderate - strong earthquakes in north china have been studied
使用由地震記錄p波初至波符號求取的小震綜合機制解資料,分析研究了華北地區4次中強地震前震源區及其附近小震應力場的動態變化。分享友人