limit formula 中文意思是什麼
limit formula
解釋
極限公式-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。 -
By analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well
通過對組合極限接管載荷分量相互關系的分析，提出了接管載荷強度驗算簡化公式和以殼結構有限元應力分析為基礎的許用接管載荷計算方法。 -
On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account
本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上，提出了以準彈性臨界作為穩定臨界準則的設計極限狀態，分析了按該準則設計的大壩的實際工作狀態，導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式，探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值，並與現行規范方法進行了比較 -
A theoretical formula was applied to this process so that the open circuit voltage could predict the limit of deoxidization reaction
通過電池電動勢與時間關系的數學模型，得出外電路電壓與熔池中氧含量的關系，從而根據外電路電壓可以預測脫氧反應進行的程度。 -
Rev limit formula was put forward after the analysis and calculation of rev limit of measurement turnplate of the pellet full - automatic packaging machine on the base of the theory of mechanics and kinematics
摘要以力學和運動學為理論基礎，對顆粒型全自動包裝機計量轉盤的極限轉速進行了分析計算，並得到了極限轉速公式。 -
Based on tests of nine 1 / 2 - scaled model slabs under vertical loads, the paper analyzed load - deformation curve and proposed limit value of height - width ratio under axial loads. 2. based on aseismic tests, the paper put forward a model of concrete frame, silica brick and a combination of the two, proposed that the silica brick works as a 45 compression bar, analyzed the factors which may influence bearing capacity of the slab and advised a formula including the numbers of bays and of storeys of the frame
通過對墻板模型的抗震性能試驗研究，建立了由鋼筋混凝土框格、砌塊以及兩者協同作用三個部分組成的承載力極限狀態下的理論簡化計算模型；提出了墻板中填充塊等效斜壓桿寬度按45度計算的統一量化標準；分析了影響墻板承載力的主要影響因素，給出了表達墻板框格層數和跨數不同的斜截面承載力實用設計計算公式。 -
The calculation formula for control limit of double - side - restricted management chart based on 12 theory was derived, and a calculation example was given
摘要根據基於12理論的雙側控制圖原理，推導出基於12理論的雙側控制圖控制界限的計算公式，並給出基於12理論控制圖的算例。 -
This paper formulate limite state equation of different composite foundation by the formula of limit bearing capacity of composite based on research result and statistical data. compile the carresponding program with fortran90 based on the computational method
可靠度設計是一種比傳統的定值設計法更為科學的設計方法，然而，目前對復合地基可靠度的研究並不多。 -
With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。 -
They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained
本文的主要研究內容如下： （一）建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型，它們分別適用不同情況，並通過試驗驗證；基於能量模型和背板橢圓吸能相同假設，建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型，給出了彈道極限速度預測公式；利用能量模型對陶瓷/金屬輕型裝甲的優化設計進行了分析，給出了陶瓷/金屬復合裝甲的最佳優化系數。 -
The construction of the of limit points on indeterminate formula
不定式極限點集的結構 -
At last, in according to the experiment results, the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation. further more, the relationship among the limit frequency, the value of prepressing, excitation frequency, the amplitude of excitation and the materiel parameter was analyzed. base on the theory analysis the limit frequency formula was given, and the contact - slip condition for engineering application was concluded
最後根據理論研究與試驗分析的結果，分析預緊接觸式彈簧阻尼系統產生滑移現象的機理以及共振峰值漂移現象的理論解釋，並通過定性分析接觸分離時的頻率與預緊量、激勵頻率、激勵力幅值以及墊層的材料參數之間的關系，提出能定量描述系統出現滑移現象的極限頻率公式，總結了預緊接觸式結構始終保持接觸的條件。 -
On the foundation of analysis a quantity of experiments and theory home and abroad, the paper give a calculation formula for the cross - section anti - bending limit load capacity of reinforced concrete beam. at the same time, the paper discusses the establishment of fatigue load chart for the bridge structure and presents its calculation of stress chart
2 、在分析國內外大量試驗研究和理論分析的基礎上，給出了碳纖維布加固鋼筋混凝土梁正截面抗彎極限承載力的計算公式，詳細闡述了等幅疲勞荷載和變幅疲勞荷載下橋梁結構疲勞強度的計算方法。 -
Based on the analysis of the stress distribution law in different districts around the self - closed and full - connected arch walling support roadway, the relationship among the limit equilibrium radius and the in - situ rock stress, the physico - mechanical properties and support parameters is obtained. the calculation formula of arch walling width design is put forward so as to provide a theoretical basis for the practical design of support
在分析自封閉全接觸碹體支護巷硐周圍不同區域應力分佈規律的基礎上，得出了圍巖極限平衡區半徑同巷硐所處的原巖應力，圍巖本身的物理力學性質及碹體支護參數間的相互關系，提出了設計碹體厚度的計算公式，為實際進行支護設計提供了理論依據。 -
The approximate formula is : the initial bounding rectangle is inflated by pen width, and this result is multiplied by the miter limit, plus some additional margin to allow for end caps
近似公式為：初始邊框按鋼筆寬度擴充，結果乘以斜接限制，再加上用以容納端帽的一些附加邊距。 -
Then, made use of software ansys to calculate the strength of a catamaran ferry structure, applied the formulae deduced in chapter 3, selected reasonable restraint form, in the whole ship computing result further verified the formula then on the base of a model of the whole ship, used fea to study the hull connecting structure with the limit of strength, deduced the useful assumption for after research
並將計算的重要環節連接橋單獨取出，進行專門的簡化模型推導，根據連接橋上與片體相連處節點的受力情況分析應力分佈規律，尋找合理的載荷施加方法，並根據實際情況對模型進行約束，使連接橋單獨計算的結果與全船計算相吻合，從而達到模擬全船的簡便計算的目的。 -
Our results show that the rate of correlation among the random variables of those output sequences are low although they are not independent ; in addition, the output sequences of those combined generators are homogeneous markov chains which are strictly stationary processes with ergodicity ; the output sequences of those combined generators are also proved to summit to the strong law of large numbers and the central limit theorem ; finally the computation formula of the rate of the accordance between the output sequences and input sequences of those combined generators is given
我們的研究結論表明：雖然這些序列中隨機變量之間不具有相互獨立性，但它們的相關程度卻比較低；證明了「停走」生成器， km _ 1m _ 2型組合生成器和加法型組合生成器的概率模型輸出序列都是強平穩的和遍歷的齊次馬氏鏈；討論了這些序列的概率極限性質，證明了它們均服從強大數定律和中心極限定理；還分別給出了各類生成器的輸出序列與輸入序列之間的符合率的計算公式。 -
Firstly part of quadratic term of taylor series is chosen ; a low - dimension surface is used to approximate limit state surface ; and the modified reliability formula is derived
首次選取泰勒級數的部分二次項，用一個距原點最近點處擬合的超低維曲面近似極限狀態面。 -
The judgement formula for high and low speed landslide and a new theory of stiffness - effect instability are presented for the instability of planar - sliding slope by the catastrophe theory. it is pointed out that the limit equilibrium stability analysis method of rigidity body has a lot of defects. the relationship between the action of outside environment and the response of slope system is complicatedly nonlinear according to the nonlinear dynamics model of slope evolution built
針對斜坡平面滑動失穩問題，運用突變理論方法，給出了快速滑坡和慢速滑坡發生的判據，驗證了剛體極限平衡穩定性評價方法有較大缺陷；根據斜坡演化非線性動力學模型，發現斜坡演化過程會出現混沌現象，其通向混沌之路是通過倍周期分叉實現的。 -
( 2 ) study on the mechanics mechanism of the calamity caused by the cave of the highway : based on the investigation in detail along the line of the highway in shan - gan loess plateau, the distribution law, the classification and characteristic of hazard of highway cave are presented ; the calamity mechanism of highway cave opposite side slope and road bed is discussed, especially the mechanism of collapsing of the hidden cave in road bed. propose " the effect of hidden corrosion ", etc. 10 kinds send to mechanism of collapsing. based on the principle of limit balance, the formula of the critical treating thickness of hidden cave is put forward as follows : according to different stratum, different size and depth, the calculation of the critical thickness of the hidden cave of roadbed has been carried on
（ 2 ）公路洞穴的致災力學機理研究：在對陜甘黃土高原區公路沿線黃土洞穴詳細調查基礎上，研究了公路洞穴分佈規律、危害分類及致災特點；公路洞穴對邊坡及路基的致災機理，重點是路基暗穴致塌機理，並提出了「潛蝕效應」等十種致塌機制；利用極限平衡原理導出路基暗穴臨界處理厚度計算公式如下：針對不同地區不同地層，對不同尺寸和埋深的暗穴，進行了路基暗穴臨界處理厚度的計算。
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