local buckling 中文意思是什麼
local buckling
解釋
局部失穩-
On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification
本文對此內容進行了較為深入的研究，考慮了多個參數的影響，對各種應力比作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析，得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效寬度系數的計算公式，以期為規范的修訂提供參考。 -
It is probable that local furrows and wider depressions, caused by buckling of the accumulated silicate layers during tectonic movements.
可能有局部溝豁以及寬的坳陷，在構造運動過程中由堆積的硅酸鹽層彎曲造成。 -
The ship ' s hull is a thin - walled box girder structure composed of stiffened panels. the overall failure of a ship hull girder is normally governed by buckling and plastic collapse of the deck, bottom, or sometimes the side shell stiffened panels. therefore, the analysis of buckling and ultimate strength of ship panels in deck, boltom, and side shells is very important and necessary for the safety assessment of ship structure. in stiffened panels, local buckling and collapse of plating between stiffeners is a basic failure mode, and thus it would also very important to evaluate the buckling and ultimate strength interaction of plate elements under combined loads
船體梁的總體失效通常取決于甲板、船底板，有時候是舷側加筋板的屈曲和塑性破壞。因此，對于衡量船體結構的安全性而言，對甲板、底板、舷側板進行屈曲和極限強度分析是十分重要且必須的。對于加筋板而言，加強筋間的板格之局部屈曲和失效是最基本的失效模式。 -
In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered
確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。 -
Bracing members in concentrically braced structures may be subjected to large cyclic deformations due to local buckling during a severe earthquake causing possible early fractures
摘要在罕遇地震下，框架中心支撐結構中的鋼支撐常因局部屈曲位置的低周疲勞開裂而過早退出工作。 -
Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model
為了解決現有的殼單元方法需要大量計算機時的缺點，本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧，將此等效邊界引入到有限元模型中，使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段，從而達到節約計算時間的目的。 -
In the analysis of the elastic local buckling strength of the plates in stiffened plates, an analytical expression is derived for calculating the local strength of a stiffened plate subjected to biaxial thrust considering plate / stiffener interaction and welding residual stresses and initial deflection
由於船體中的加筋板結構的受力情況是十分復雜的，除了主要受到由於總縱彎曲而產生的縱向壓力以外，還會受到橫向的壓力以及垂向壓力。 -
Then a series of buckling strength analyses are performed to investigate the combined effects on the elastic local buckling strength by using this method and some useful conclusions can be drawn
因此為了更加精確的計算加筋板的屈曲強度，本文在計算中將充分考慮這些綜合因素的影響。 -
In the analysis of the elastic local buckling strength of the stiffener ' s web, the elastic critical stress is analytically derived by solving the characteristic value problem involving the governing differential equation under the corresponding loading and boundary conditions
對于加筋板中加強筋腹板的局部屈曲，則用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。 -
Local buckling is an important buckling mode of thin - walled and cold - formed steel columns, and the interactive behavior of component plate elements cannot be ignored
局部屈曲是冷彎薄壁型鋼構件主要的屈曲模式，屈曲時板件之間的相關作用也是不容忽視的。 -
Gabled frames are widely used in industry and civil engineering, it ' s web plates " local buckling calculated formula in the technical specification for steel - structure of one - storey light - weight buildings with gabled frames ( cecs102 : 98 ) are based on the rectangular plates " and did n ' t consider the interaction of the fringe plate. so, there are some different between the actual members and the prescript of the specification, and the post - buckling strength ' s calculated formula is based on the local buckling ' s, it must have some unreasonable
楔形門式剛架廣泛地應用於工業與民用建築中， 《門式剛架輕型房屋鋼結構技術規程》 （ cecs102 ： 98 ）中楔形腹板局部屈曲的計算公式來自矩形板，並且沒有考慮翼緣的相關作用，因此，規程中的規定與構件的實際工作狀況有一定的差異，且屈曲后強度的計算公式也是以局部屈曲系數為基礎的，勢必有其不合理性。 -
The ultimate load - bearing capacity analysis of steel frames considering local buckling of plates
考慮板件局部失穩影響的鋼框架極限承載力分析 -
Local buckling is the dominant failure mode for composite steel column
摘要局部屈曲是組合鋼柱常見的失效模式之一。 -
Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method
組合鋼梁腹板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題，新的《鋼結構設計規范》 （ gb50017 ? 2003 ）對此部分內容作了較大改動，原規范中關于腹板局部穩定的計算公式是基於無限彈性的完善板假定；新的規范則參考了英國規范（ bs5950 part1 ）及澳大利亞規范（ as4100 ）並結合我國相關研究成果，考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符，而且也與鋼梁在彎曲應力作用下允許截面部分進入塑性的計算公式相協調。 -
In these paper we use the following rule to determine the width - to - thickness ratio : if the local buckling has visible effect on the overall buckling capacity, then this width - to thickness ratio should not be exceeded based on the resul ts obtained, we proposed a new formula for the limitation of the ratio of h / tw of the t - section columns " webs
根據局部失穩對整體失穩不應該有顯著影響的原則，最後得到t形截面壓桿腹板的寬厚比限值計算公式。本文對規范修訂和工程應用有一定的參考作用。 -
This paper is the research on the local interactive buckling behavior of cold - formed rectangular tube under uniform compression. the paper includes the following main contents : ( 1 ) an elastic interactive buckling model is presented on the basis of the theory of elastic plates. under the equilibrium condition and deformation compatibility condition, analytical expressions are derived to predict the interactive bucking load pcr
本文主要研究冷彎薄壁矩形鋼管均勻受壓下板組的相關關系，包括以下主要內容： （ 1 ）建立了彈性相關屈曲解析法分析模型，考慮平衡條件及變形協調條件，建立板組的屈曲微分方程，得出了板組相關屈曲的臨界荷載p _ （ cr ）的計算行列式。 -
( 4 ) introducing how to evaluate load capacity pn of wall stud considering post buckling strength of plate element. local buckling effects are determined according to the effective width method used in specifications gb50018 _ 2002 and aisi96
（ 4 ）參照gb50018 、 aisi96二本現行規范，採用有效寬度法考慮局部屈曲后強度並對非彈性屈曲應力進行修正，給出了考慮局部屈曲影響和進行非彈性修正後立柱的穩定承載能力p _ n 。 -
Allowed the local buckling of elements and made use of the post - buckling strength, the effective width method is often used to calculate the load - carrying capacity
為了用料經濟，允許板件產生局部失穩，其承載能力以利用板的屈曲后強度為特點的"有效寬度"方法來計算。 -
In the analysis of the elastic tripping of the stiffener, the critical stress under this mode of failure is derived by using the energy method and the principle of least potential energy. in the analysis of the elastic overall buckling of stiffened plates, attention is focused on global buckling, and local buckling effects are neglected
對于加筋板中筋的側傾失穩，則通過能量法推導加強筋側傾失穩時的總勢能泛函，利用最小勢能原理求解出此失穩模式下的臨界應力。 -
Moreover, the detailed calculation and contrastive analysis are carried out by using the software ansys. theoretical calculation and testing results show that adopting the connection construction with a hole on the web can alleviate the stress state greatly and transform the failure mode of the connection from brittle fracture to local buckling damage on beam, reduces the possibility of brittle fracture by welding and improve the ductility performance of connection to a great extent
結果表明，採用腹板開孔的節點形式，可以使梁的塑性鉸位置由梁根部向中部偏移，達到了有效控制塑性鉸位置的目的;同時，採用這種節點構造可以改變節點附近的梁截面應力分佈狀態，降低了節點脆性破壞的可能性，使節點的破壞模式從脆性破壞轉變為梁的局部屈曲破壞，很大程度上改善了結構的延性。
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