second deformation 中文意思是什麼

second deformation 解釋
第二期變形
  • second : adj 1 第二的;第二次的;二等(的)。2 次等的;較差的;劣於…的 (to)。3 〈美國〉較年輕的。4 另一...
  • deformation : 變形,走樣
  1. The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement

    其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖,變形帶兩側發育兩組典型的共軛剪節理;第二次在晚白堊世?始新世,斷裂在北東?南西向近水平擠壓作用下右行張扭性活動,斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶,而斷裂在巖體區也發育兩組典型的共軛剪節理,斷裂內形成初碎裂巖為主的構造巖;第三次是喜山期以西側抬升、東側下降的強烈升降為主的活動,在基巖中,主斷層兩側圍巖出現微破裂。
  2. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律;建立了相應的s - n關系,提出了縱向總應變、彈性模量的經驗公式,及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。
  3. Having analyzed preliminarily formation mechanism of these common characteristics of anomaly, it concludes that : these are results, controlled by basically united tectonic stress field of large - range, caused by stress - strain accumulation and certain phase strong earthquakes, according to deformation difference brought about in tectonic position along the boundary zone and within second - order faults of active blocks resulted from unstable and inharmonious features for movement of block system at different levels and deformation of boundary

    分析這些異常共性特徵的形成機制,初步認為:是在基本統一的大區域構造應力場控制下,不同層次塊體系統運動及其邊界帶變形的非平穩、非協調性,在活動地塊邊界地帶和地塊內部次級斷裂構造部位產生變形差異而導致應力-應變積累、孕育強震到一定階段的結果。
  4. In order to detect the bottom thickness, cavity, leak and deformation of steel meshes in secondary lining of concrete in tunnel construction, the authors evaluate the wave character and the detected result in the second lining of the tunnel using surveying radar technology and conclude the wave character in the tunnel lining which has mass defect and tested the accuracy and reliability of this technique

    摘要為檢明隧道混凝土二次襯砌中的底界厚度、空洞、漏水、鋼筋網變形等質量問題,利用探地雷達技術,通過對檢測方法及工程檢測實驗的研究,進行隧道二次襯砌中雷達波形特徵參數及檢測結果評價,總結了隧道襯砌質量問題的雷達波形特徵,驗證檢測方法的精度和可靠性。
  5. They are not second-order approximations, but are exact for any amount of deformation.

    它們不是二次近似,而是對任何變形量都成立的精確表達式。
  6. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  7. Analysizing and comparing various structure scheme, the analysis result leads to that the results from floor deformation for brick masonry building with frame - shear wall structure at first two stories concentrate on the second story and transitional - third - floor. the earthquake response of every first floors, especially the transitional floor brick wall is greatly influenced by the first aseismic wall. however the structure ' s earthquake response is gentlely influenced by the change of the transitional floor ' s thickness

    通過對不同結構方案的分析比較,結果表明,在地震荷載作用下,樓板變形對底部兩層框架抗震墻結構的影響主要集中在二層及過渡層第三層,底部抗震墻的布置對底部各層特別是過渡層磚墻的地震反應有較大的影響,而過渡層板厚的變化對結構地震反應的影響較弱。
  8. Combined with the real example of monitoring pressure on the supporting system in the long span underground space of dk7 + 692 section at jiao - xin line of chongqing light railway, it is set forth the methods about choosing the support system and its parameter, digging methods of underground space, measuring and testing methods for the stress of the support system ; the testing results and variation pattern were analyzed for the stress of the initial supporting i - steel axial stress of bolt, stress of shot - concrete, supporting pressure of temporary i - steel and stress of steel of the second lining, then, the reason for deformation of the support system induced by sharp increase of i - steel was determined

    摘要結合重慶市輕軌較新線大坪車站大跨度地下空間dk7 + 692斷面施工支護體應力監測的工程實例,闡述了該大跨度地下空間支護結構的參數選擇、地下空間的開挖方法、支護體結構的應力量測方法及測試手段;分析了支護體初期支護工字鋼拱應力、錨桿軸力、噴射混凝土內應力、臨時工字鋼支撐應力、二次襯砌鋼筋應力等測試結果和變化規律;確定了工字鋼拱應力急劇增大而可能引起支護體系失穩的原因。
  9. And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available

    第三章首先概括了目前機器人連桿慣性參數識別的四種方法,總結這些方法的優、缺點;指出這些方法存在的問題是:或者需將機器人解體,不能在線進行參數識別,或者不能給出機器人連桿獨立的慣性參數值,只能獲得慣性參數的組合值,而這些方法的共同問題是:不能考慮機器人連桿的關節特性;本章提出了一種基於腕力傳感器的機器人末端連桿慣性參數在線識別方法,給出了該方法的理論計算和推導;研究提出了以腕力傳感器輸出為前提的、基於newton - euler動力學的機器人動力學正向、逆向遞推公式;針對機器人負載參數辨識必須在線、實時的特點提出了基於腕力傳感器的負載參數在線識別方法,給出了負載參數識別的步驟。
  10. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性,根據等效原則將其化為等效單質點體系,然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了縱向與橫向地震響應時程分析,為該隧道的抗震設計提供依據
  11. Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich

    本文通過對試驗數據的分析總結,認為:單塊夾層板第一受力階段的性能試驗及單向和雙向裝配整體式夾層板的性能試驗,滿足《混凝土結構規范》 ( gb50010 - 2002 )中關于預應力樓板的二級裂縫控制等級的要求,抗裂設計得當;由於板縫無粘結預應力筋的存在提高了板的抗裂性。
  12. Through the all - sided tectonic analyses, it can be deduced that there are two aspects will be the hidden defects to the dam and the engineering stability of the reservoir area. one is the dislocation interfaces resulting from the the majiaheba faultage ' s thrusting overriding and other causes of formation. the second is the region of strong deformation, such as the above of the dam, middle and high positions of the lava layers and the regions of overprint of the structure of ne to the one of nw, which should be taken into account especially

    通過區域和壩區錯動帶的全面構造解析,認為由馬家河壩斷層逆沖推覆作用而在壩區形成的向金沙江下游緩傾的錯動帶以及其它成因的錯動帶是壩區和庫區工程穩定的隱患,尤其是變形較強的壩址區上游區、中高層位以及北西向構造期的錯動帶疊加於北東向構造期錯動帶的部位,更應該引起足夠的重視。
  13. This paper analyzes and explores stress strain model and principle of the project of concrete diaphragm wall after concluding other engineers and project practices and describing the seepage and deformation character of the plastic concrete used in the cofferdam of the second stage of the three gorges project. we analyze and forecast the change trend by using mathematics statistics regression, then we get the best regression equation. finished it, we used this way to the cofferdam of the second stage of the three gorges project. it proves that the method which i have introduce in this article is effective for the stability of concrete diaphragm wall and it is also a valid for supervising cofferdam security after using it in many projects

    本文在總結前人和其他工程實踐的基礎上,結合三峽二期土石圍堰實例綜合分析塑性混凝土防滲墻的滲透和變形特性,對三峽二期圍堰砼防滲墻的應力應變模型、原理進行了分析、探討,在監測分析資料的基礎上進行數學統計回歸分析,並對變形進行預測,通過對砼防滲墻及堰體的應力應變監測數據進行數學統計回歸分析,得出了最佳回歸方程,並對三峽二期圍堰變形進行預測,達到了對圍堰安全性監測評價的最佳效果。
  14. In this paper, considering the additional bending moments of the axial load about the lateral displacements ( i. e. the second - order effect ), an iterative computer analysis procedure is proposed to predict the load - deformation relations and ultimate loads of steel - concrete composite columns of arbitrary cross section

    本文考慮長柱在軸向荷載作用下的附加彎矩影響(二階效應) ,提出了一種適用於任意截面形式鋼-砼組合長柱的荷載-變形關系分析和極限承載力分析的數值迭代計算機方法。
  15. As to the tunnels of jinping hydroelectric power station in sicuan province, the thesis discusses how to reasonably consider the initial stress field when designing a large - scale tunnel with high initial stress and deep buried. first, by analyzing of the rock lab tests and discusses the feature of regional geomorphology. explains the production of initial stress field, analyze the initial stress of jinping hydroelectric power station ; second, using the fem, the paper creates the real model of region. according to the results of stress measurement point, by combining of ann and fem to decide the boundary condition, the paper calculates the initial stress field ; at last, the paper analyzes the influence of the initial stress field formed from different condition on the deformation and stress of the surrounding rock, and the main factor to influence the initial stress. on the basis of the former work, the author proposes some proposals, which will be helpful for studying and designing of the similar undergroun d engineering

    首先從巖體的應力?變形的特性入手,並結合工程區域的地形地貌特徵,對巖體初始地應力場的形成做出解釋,結合錦屏水電站初始地應力的現狀提出了將地應力場進行分帶;然後建立整個工程區的實體模型,在地質分析的基礎上,以工程區右半部分為代表,參照實測點的初始地應力值,採用了神經網路與有限元相結合的方法反演了該區域的初始地應力場;最後模擬隧洞的開挖,通過計算比較分析了初始地應力場對處于不同應力帶內的隧洞圍巖穩定性的影響,在此基礎上提出了作者的建議,力圖為該類工程的研究設計工作提供有益的幫助。
  16. Second, the program of fem calculation is analyzed in details. based on the measurement of the test embankment, experiential formula of the calculation of the height & width problem caused by embankment deformation is proposed, and the corresponding fem formula is put forward

    在獲得一定的試驗段數據分析結果以後,筆者整理了由於地基變形引起的高度及寬度問題的計算預測經驗公式,並分析建立了有限元法計算該問題的計算思路及公式。
  17. In the second part, considering the depress of the stiffness of concrete caused by its transient thermal strain under fire, the current formulas can be conducted, and then the formulas to calculate the internal force and deformation of rc frame under fire can be conducted by structure mechanics

    ( 2 )受火構件等效成常溫構件后,再對火災高溫下混凝土瞬態熱應變導致的軸向剛度降低進行修正,推導了受火樑柱的剛度降低修正計算公式,基於結構力學矩陣分析法推導了受火構件的溫度內力和變形計算公式。
  18. The second part of the dissertation concentrates on the applications of the digital image processing technique in measuring the specimen deformation in - triaxial test. it includes : ( 1 ) discuss of some problems in triaxial test. it includes the influence of end contact and end restraint, the volume variety during the triaxial specimen being saturated, the characteristic of distributing of the gram at the surface of specimen, etc. conclusions are made and some suggestions are presented

    論文的第二部分是數字圖像測量技術在土工三軸試驗中的應用研究,主要內容包括以下幾個部分: ( 1 )三軸試驗若干問題的討論:利用數字圖像測量技術,主要對三軸試樣的端部約束、端部接觸和端部區域「藏水區」效應、三軸試樣飽和過程中的體積變化以及試樣表面顆粒分佈特性等問題進行討論,給出了一些有意義的結論和建議。
  19. Second, according to conceive to design and process model. third, do the experiment to decide the design strength and maximum load. at last, the author through the ansys to analyses the model and accomplishes the research of the joints " real properties such as the force and deformation

    然後根據設想設計、加工模具,再進行設計強度和極限承載能力試驗,最後用ansys對其進行建模和有限元分析,從而達到研究節點的實際工作特性,包括內力分佈、變形等方面,以利於實際工程中節點的使用安全。
  20. In this paper, slender columns with the two ends hinged are considered. an iterative computer analysis procedure taking into account the second - order effect of the axial load is proposed to predict this complete load - deformation process

    本文針對兩端鉸接的任意截面鋼-砼組合長柱,考慮長柱在偏心荷載作用下的附加彎矩影響(二階效應) ,提出了一種數值迭代的計算機方法進行全過程分析。
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