seismic cable 中文意思是什麼
seismic cable
解釋
地震電纜-
As the stepwise progress of oil - gas exploration, more and more attention has been paid to the multi - component seismics of ocean bottom cable ( obc ), and this technology has become a new aspect of the marine seismic prospecting
隨著油氣勘探的逐步深入，海上多波地震勘探技術越來越受到重視，發展海上多波勘探成為海洋地震工作的新方向，對海底檢波器的二次定位研究是海上多波地震勘探工作中必不可少的一環。 -
According to the information concerned, the analogous structure were adopted on the alamilo bridge in sevilla, spain and on the curved cable - stayed bridge on golf court in xiaoye city, bingbu country, japan. at present, this kind of structure has not utilized all over the country yet. nanjing, the region of basic seismic intensity 7, is an unfavorable site for anti - earthquake in terms of geological conditions according to seismic code for buildings
但是，主塔屬于傾斜高聳結構，拱屬于柔性拱結構，索屬于特殊懸索結構，經檢索了解，西班牙sevilla的alamilo橋和日本兵庫縣小野市內高爾夫球場上的曲線斜拉橋採用過類似結構，國內目前尚未有此形態的結構記載，南京地區地震基本烈度為七度，地質條件按照建築抗震設計規范之規定，屬對抗震不利地段。 -
3. seismic response analysis is done by using time history analysis method in aluminum alloy double - layer cable dome and the displacement and the axis stress of the structure under the seismic response are obtained and the results are compared with the ones of the spectrum analysis
採用時程分析法對肋環型鋁合金雙層球面網殼結構進行了地震分析，得出了結構在地震荷載作用下的位移、軸向應力的變化曲線，並且與譜分析結果以及相應的鋼網殼作了比較。 -
The results reveal that the force in the members and the displacement are small when two structures are under seismic load. that the ideas of designing cable dome change from " continuous tension, discontinuous compression " to " discontinuous tension, discontinuous compression " and that the ideas of construction technique change from " moving diagonal cable " to " moving outer diagonal cable or ridge cable " is proposed
提出索穹頂結構的設計思想已經從最初的「連續拉，間斷壓」 ，發展為「間斷拉，間斷壓」 ；施工成形技術也從原來的張拉斜索，演變為張拉最外圈的脊索浙江大學申請博士學位論文葵花型索育頂結構的理論分析和試驗研究或者最外圈的斜索。 -
Seismic response analysis of a long - span cable - stayed bridge under random seismic excitations with spatial variations, including travelling effect, incoherence effect and local site effect, was made with stochastic method
摘要以南京第二長江大橋南漢橋為例，採用隨機振動分析方法研究了地震動的空間變化特性，包括行波效應、部分相干效應以及局部場地效應對大跨度斜拉橋地震響應的影響。 -
Dynamic analysis and linear seismic response of the third aodang cable - stayed bridge in macao
澳凼第三大橋斜拉橋的動力特性及線性地震反應分析 -
Struggled through 3 years, we had made a 480 - channels marine multi - component seismic exploration system. include new circuit design of digital package, omnidirectional 3 component geophone, ocean bottom towed cable, marine four component seismic acquisition unit, hydrophone, recording system etc. in july 2001, this system was used in dagang field and worked over twenty km. we obtained a good seismic data
目前已完成了一套480道海底電纜採集系統，包括數字包的創新電路設計，三分量檢波器的萬向平衡裝置，海底電纜鎧裝結構，可拖曳的四分量採集一體化單元，水聽器，系統主機等，並於2001年7月和2002年5月兩次在大港油田渤海灣海域進行了現場實驗，獲得了良好的地震資料。 -
The seismic responses behavior of cable - stayed cfst arch bridge under one dimension seismic excitation and two - dimension seismic excitation is studied by time history method. the influence of vertical seismic excitation to cable - stayed cfst arch bridge is discussed. finally the thesis appraises the anti - seismic reliability of cable - stayed cfst arch bridge
2 、應用動態時程方法對斜拉鋼管混凝土拱橋在一維及二維地震荷載輸入下的地震響應性能進行了分析，討論了豎向地震分量對地震響應性能的影響，對斜拉鋼管混凝土拱橋進行了抗震性能評價。 -
Based on the characteristic of the grotto rock reinforced by prestress anchor cable, taking three typical engineering sections in yulin grotto in anxi county gansu province, as examples, the simultating computation for the displacement field and stress field of the grotto rock under seismic load is done using dynamic finite element method, the change regularity and dynamical response of the grotto rock are concluded
摘要根據錨索加固石窟巖體的特點，以甘肅安西榆林石窟的三個典型的工程段為例，通過動力有限元的方法對地震荷載作用下預應力錨索加固石窟巖體的位移場、應力場的模擬計算，得出了其動態響應和變化規律。 -
Single - cable checking system for time - lapse marine seismic data acquisition and recording system
時移地震數據採集和記錄系統中的單纜測試系統設計 -
Study on the nonlinear seismic behavior of a cable - stayed bridge
某斜拉橋的彈塑性抗震性能研究 -
Effects of local cable vibration on the seismic response of cable - stayed bridges
拉索局部振動對斜拉橋地震響應的影響研究 -
To get its seismic property of annular cable - truss structure without support, time history analysis is done to show that it is not effective to control the seismic property with modifying the magnitude of pre - stress
為了考察結構的抗震性能，本文對不加支撐的內外都是圓形的結構進行了三維地震作用下的非線性動力響應時程分析。 -
Accordingly, the problem of dynamical, such as seismic response, wind induced vibration, coupled dynamical vibration between bridge and vehicle should not be ignored. especially, stay cable, which is one of the main components in cable - stayed cfst arch bridge, is susceptible to environment and traffic excitations because of its flexible, low damping small weight, then the significant vibration is induced. the accurate analysis of the dynamic characteristics of cable - stayed cfst arch bridge is very important for the design of this type bridge
大跨斜拉鋼管混凝土拱橋作為一種新型的組合結構橋梁，由於結合了斜拉橋和拱橋的優點，已經運用到實際工程中，但其理論研究才剛剛起步，大跨斜拉拱橋與大跨拱橋、斜拉橋一樣，是一種柔性結構，應該重視其動力問題，地震、風振、車振等動力問題是該類橋梁所無法迴避的，尤其是斜拉拱橋的主要承力構件之一的斜拉索，由於其大柔度、小質量和小阻尼等特點，極易發生振動，準確分析斜拉拱橋及斜拉索的動力特性是斜拉拱橋設計的重要工作之一。 -
Based on this study the following conclusions are drawn : the responses of cable - stayed bridge under seismic excitations with spatial variations differ from those under uniform seismic excitations up to 30 % ; the responses obtained by considering travelling effect as well as incoherence effect are close to those obtained by only considering travelling effect ; travelling effect has more significant effect on the seismic responses of cable - stayed bridge than incoherence effect ; if r. m. s. ( root - mean - square ) of random seismic ground motions are equal, seismic responses are considerably greater for the case of soft soil than for the cases of firm soil or medium soil
研究結果表明：與一致地震激勵相比，地震動的空間變化特性可以使斜拉橋的地震響應改變30 % ；同時考慮行波效應、部分相干效應時的地震響應接近於僅考慮行波效應時的地震響應；行波效應對斜拉橋地震響應的影響明顯大於部分相干效應的影響；在加速度均方根相同的隨機地震作用下，斜拉橋在軟場地條件下的地震響應明顯大於在硬場地條件下的響應，中等場地條件下的地震響應介於兩者之間。 -
Chapter 1 introduce the development situation of the marine multi - component seismic exploration technology in our country and abroad. chapter 2 sum up the structure of the system. chapter 3 to 6 includes the design and function of the homemade sample equipment and the advantage of its key technique. just as omnidirectional geophone struture, ocean bottom cable, data acquisition unit and recording system etc. chapter 7 carefully instructs test situation of converted wave acquisition on the sea and appreciates the data quality
第一章主要介紹了目前海上多波勘探技術的國內發展概況及市場需求，第二章對整個系統的構成及各部分的功能進行了簡要的總結，第三章至第六章詳細討論了各功能模塊的原理、技術指標及創新點，包括各項關鍵技術的突破，如三分量萬向平衡裝置的理論計算及設計，數字包電路設計原理，鎧裝結構電纜的設計及系統主機的特點等。
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