sectional structure 中文意思是什麼
sectional structure
解釋
分組結構-
An improved design is proposed for blasting demolition of this kind of brick - concrete structure with good overall performance and great stiffness. wherever possible, it is desirable to increase blasting height to arrange blasting cut on the back of building in direction of dumping the building blasted and to adjust the initiation order by using sectional blaster cap
認為對于整體性好、剛度大的磚混結構樓房的爆破拆除，在條件允許時應多處理幾層以增加爆高，在樓房的傾倒背面也應布置爆破切口，還應採用分段雷管來調整其起爆順序，這樣才能達到更好的效果。 -
In the positive analysis, the paper, firstly using the 1978 and 2001 data in ( time order ) and analyzing the total consumption and its structural characters of rural residents in liaoning province, including the basic tendency and structural change of rural their consumption, came to the conclusion that since the reform and opening up, the total consumption level of rural residents has been promoted and their consumption structure has been improved in liaoning ; secondly, using 2001 sectional data, econometrically analyzed the peasants " consumption structure by employing the by which in the analysis the author makes the assumptions as follows : all the consumers have the identical marginal budget share or the identical marginal propensity to consume when consuming certain goods
本論文首先利用1978 ? ? 2001年的時序資料分析了遼寧省農民消費的總量狀況和結構特徵，包括農民消費的基本走勢及農民消費結構的變遷。得出：改革開放以來，遼寧省農民總體消費水平有了一定程度的提高，農民消費結構不斷改善；其次選擇2001年截面資料對遼寧省農民消費結構進行了計量分析，在這部分分析中，選用的模型是擴展的線性支出系統模型（簡稱eles模型） ，但採用擴展的線性支出系統模型進行分析和預測消費傾向中，暗含著如下假定： 「對某類消費品的邊際預算份額或邊際消費傾向，所有消費者都是相同的。 」 -
In order to study how the floor stiffnesses influence on the mega steel - frame structures, the results of mode 1 and mode 4 of example 1, and those of mode 2 and mode 3 of three examples are compared. some conclusions are obtained as follows : compared with beams and columns of the common steel - frame structures, the cross - sectional dimension of mega beams and mega columns in the main - frames of mega steel - frame structures are very large. because the mega structure system has great lateral stiffness and entirety work behavior, whether or not considering the floor stiffness has less influence on the entirety responses of the mega steel - frame structures and on the displacement and internal forces of columns of the mainframe, but larger influence on the response of columns of hypo - frame
通過對算例1方案1和方案4及算例1 - 3方案2和方案3結構周期、位移和內力反應的比較，研究了樓板剛度對巨型鋼框架結構反應的影響，得到如下結論：與普通鋼框架的梁、柱相比，巨型鋼框架中主框架的巨型梁、巨型柱截面尺寸要大得多，並且由它們組成的這種超常規的大型結構具有巨大的抗側剛度和整體工作性能，因此，在地震作用下，考慮樓板剛度與否對巨型鋼框架結構整體反應影響不大，對主框架柱位移和內力反應影響也不大，但對次框架位移和內力反應的影響相對較大。 -
Cold forming sectional steel - open sectional steel for general structure - demension, form, weight and permissible deviations
通用冷彎開口型鋼尺寸外形重量及允許偏差 -
Cold forming sectional steel - hollow sectional steel for general structure - demension, form, weight and permissible deviations
結構用冷彎空心型鋼尺寸外形重量及允許偏差 -
2. considering the characteristics of topology optimization of structures with discrete variables, a mathematics model of topology optimization of structures with discrete variables, including sectional variables and topology variables, with the aim of getting the minimum weight of the structures, is built up in this paper. this paper develops a from easy to difficult structure stability analysis mechanism, which
2 .論文針對離散變量結構拓撲優化的特性，建立了包含截面設計變量和拓撲設計變量，以結構重量最小化為目標的離散變量結構拓撲優化數學模型，採用了由易到難的結構機動性分析機制，大大減少了結構重分析次數。 -
Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters
本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。 -
Facies association, lithologic composition, deposition sequence, sectional structure, sedimentary structure and grain size probability are analysed in detail
詳細分析了這些沉積體系的巖性巖相組合、沉積層序、剖面結構、沉積構造及粒度分佈等特徵。 -
Nowadays, the structure contradiction between the workforce supply and the demand in labor market occurs in china, which leads to the sectional shortage of workforce
摘要當前中國勞動力市場存在勞動力供給與需求之間的結構性矛盾，導致勞動力供給的局部短缺。 -
Based on the ansys finite element method software, structure of the new type elliptical cam is researched, effect of the flexible - hinged structure ’ s cross - sectional thickness and the magnitude of pre - tightening force to the performance of elliptical cam is analyzed, using the analysis result, flexible - hinge structure of the elliptical cam is designed in reason
用ansys軟體對新型橢圓凸輪進行了結構有限元分析，分析了柔性鉸鏈最小截面厚度和預緊力的大小對橢圓凸輪性能的影響，根據有限元分析結果，合理設計了橢圓凸輪的柔性鉸鏈結構。 -
Abstract : concepts of probability importance and probability sensitivity of sectional constraints of rc frame structure are put forward and studied in this paper, and their calculation methods are given based on the failure correlation and the achievements on reliability of structural system under minor and strong environment hazard respectively. the conclusions of this paper provide a scientific basis for the disaster - resistant maintenance strategy before and after earthquakes, enhancing the reliability of decision - making for the strengthening of existing structure
文摘:探討了鋼筋混凝土框架結構截面約束的概率重要度及概率靈敏度概念，利用失效相關性及結構體系可靠度方面的研究成果，給出了鋼筋混凝土框架結構中各個截面效應約束分別在弱災害和強災害環境下的概率靈敏度與概率重要度的計算方法，所得結論可以為在役結構在地震前的預防性維修加固決策及震后結構的維修加固決策提供科學依據，從而提高了在役結構加固決策的可靠性 -
In the weihe valley, the environmental effect of the summer monsoon on the south is much stronger than that on the north in the holocene megathermal, which is result forming deferent structure of paleosoil ( so ) at the mjy - a site and the wsc site : at the mjy - a she, the paleosoil ( so ) belongs to typical semiarid grasslands soil - heilu soil with apb - ah - bk - c soil sectional structure ; at the mjy - a site, the paleosoil ( so ) belongs to typical semi7humid forest soil - brown soil with ah - b1 - ck - c soil sectional structure
具體表現在合水與戶縣大暖期強成壤階段形成的古土壤（ s 。 ）剖面構型上：北部古土壤為典型的半乾旱草原土壤一黑爐土，具有apb叭hek （土壤剖面構型：南部戶縣剖面古土壤（ s 。 ）為典型的半濕潤森林土壤一褐土，其so具有ah bt ck c土壤會面構型。 -
In order to accelerate the development of preflex composite beam in railway bridges and to design and construct preflex composite beam bridges of railway in our country reasonably, this thesis is from the scientific project of railway department " experiment and application research of railway preflex composite beam " and summarizes the design information and practical projects on preflex composite beam. on the basis of above works, this thesis improves computation method in analysis of railway preflex composite beam on sectional stress, deflection of mid - span, crack width and shearing resistance and programs a software " preflex composite beam bridge structure analysis system - pfsas ", which is adapt to railway bridges in our country. moreover it makes a primary research in construction techniques and structure measures
為了迅速促進預彎組合梁在我國鐵路橋梁中的發展，合理地進行我國鐵路預彎組合梁橋的設計和施工，本文結合鐵道部科技研究開發項目「鐵路預彎組合梁的實驗與應用研究」 ，在總結以往對預彎組合梁力學性能研究成果及實際工程的基礎上，完善了鐵路預彎組合梁的截面應力、跨中撓度、裂縫寬度和抗剪分析的計算方法；編制了適用於我國鐵路橋梁的「預彎組合梁橋結構分析系統? ? pfsas 」軟體；並對預彎組合梁的施工工藝及構造措施進行了初步探索。 -
For shape optimization of truss structure, the design variables are separated into two kinds of bar sectional size and nodal position by multilevel decomposition optimization method
對于桁架結構形狀優化，應用層次分解優化方法，將設計變量分成桿件截面積和節點位置兩類變量。 -
With the kalman filter approach, the empirical research shows the model reconciles the time - series dynamics of yields with the cross - sectional shapes of the term structure
通過卡爾曼濾波法對模型的實證分析，證實該模型基本上能在時間序列和橫截面兩個維度上與實際數據相符合。 -
The use of high strength concrete in building constructions has many advantages, such as reducing sectional size of component evidently, alleviating the structure self weight and retrenchment the use of reinforcing steel bar, thus the economic benefit is distinct but the brittleness of high strength concrete causes anxious about its use in the earthquake - resistant structure
應用高強混凝土可以顯著減小構件的截面尺寸，減輕結構自重和鋼筋用量，具有明顯優點，可獲得較高的經濟效益。但高強混凝土的脆性引起人們對其用於抗震結構的擔心，強度等級愈高，胞性愈大。 -
On studying of them. using the testing outcomes of gas fully, lithologic characters. strata sequence, sand body shape, sequence sectional structure in aeration zone and main channels migrating pattern on different phases have been analysed. for futher reservoir, cap, source rock and oil gas expiortion
在此研究基礎上，充分利用有關的試氣成果資料，詳細分析了含氣層的巖性、層序地層特點、砂體的形態產狀特徵、不同時期主河道分佈與遷移的規律及含氣層的剖面結構特點等。 -
The bar sectional sizes are optimized to make the weight of the structure minimized under constraints of stress, displacement and local stability. at the second step, supposing the active displacement constraints of the first step keeping unchanged. a quadratic programming model that increases the structural rigidity is solved
求解時分為兩層，第一層在給定節點位置下對桿件截面進行優化，同時考慮了應力、局部穩定約束和位移約束的重量最輕；第二層假定截面層的有效位移約束作用不變，求解一個使桁架剛度增強的二次規劃問題，獲得既不違反約束，又使目標函數不上升的新的節點位置，再返回第一層。 -
Cold forming sectional steel - open sectional steel for general structure - damnation, form, weight and permissible deviations
通用冷彎開口型鋼尺寸外形重量及允許偏差 -
L. the paper studies the theory to detect damage of bridges, and compares many sensitive parameters to detect bridge damage through correlative literature all over the world, finally concludes it suitable that bridge damage is detected by strain mode parameters. the strain mode parameters satisfy four foundstiona. l conditions as follows : ? hey are sensitive to sectional damage and they are monotone function of structure damage. @ they have determinate location coordinate
論文通過對國內外橋梁損傷檢測方面的文獻資料研究，探討了識別橋梁損傷的基本理論，比較了多種結構損傷敏感參數識別橋梁損傷的優缺點，最後確定用應變模態參數識別橋梁結構損傷較為合適，應變模態是對損傷敏感的參數，滿足四個基本條件：對局部損傷敏感，且為結構損傷的單調函數；具有明確的位置坐標；在損傷位置，應變模態差曲線出現明顯的峰值變化；在非損傷位置，應變模態差曲線的變化幅度小於預先設定的閾值。
分享友人