Code for design of steel structures in port engineering 港口工程鋼結(jié)構(gòu)設(shè)計規(guī)范
Code for design of steel structures 鋼結(jié)構(gòu)設(shè)計規(guī)范
Code for design of steel structure coolers and exchangers frame in petrochemical enterprises 石油化工企業(yè)鋼結(jié)構(gòu)冷換框架設(shè)計規(guī)范
Considering the impact on the inner force caused by deformation , the analysis based on the inner force of the steel frame structure has been revised in the new edition of code for design of steel structure ( gb 50017 - 2003 ) 為了考慮變形對內(nèi)力的影響,我國新的《鋼結(jié)構(gòu)設(shè)計規(guī)范》 ( gb50017 - 2003 )對鋼框架結(jié)構(gòu)的內(nèi)力分析進行了修正。
Inchinese code for design of steel structures , a second - order simplified method toconsider p - effects using the amplified parameter is put forward . in itscommentary , some examples are analyzed 我國現(xiàn)行鋼結(jié)構(gòu)設(shè)計規(guī)范( gb50017 - 2003 )中提出了通過放大系數(shù)的二階簡化分析考慮p -效應的方法,并對該方法進行了算例誤差分析,得出了其適用的范圍。
In active code for design of steel structures , axially compressed members are calculated not as torsional - flexural buckling but as flexural buckling with equivalent slenderness ratio , residual stress and initial geometry imperfection are also taken into account as flexural buckling 我國現(xiàn)行鋼結(jié)構(gòu)設(shè)計規(guī)范( gb50017 )采用換算長細比的方法將彎扭失穩(wěn)等效為彎曲失穩(wěn),其殘余應力和初始幾何缺陷均按彎曲失穩(wěn)考慮。
The applicability of present code for design of steel structures ( gbj17 - 88 ) is calculated and analyzed by monte carlo finite element method and traditional first order reliability method . it is approved that the monte carlo finite element method is right 分別采用蒙特卡羅( montecarlo )有限元法和傳統(tǒng)的一次二階矩法( form )對現(xiàn)行《鋼結(jié)構(gòu)設(shè)計規(guī)范》 ( gbj17 - 88 )的適用性進行了計算和對比分析,從而證實了蒙特卡羅( montecarlo )有限元法的正確性。
During the transverse analysis , as the discussion of frame bracing condition that exists in the new vision < code for design of steel structures > gb50017 - 2002 has been lead into the stability analysis of staggered truss system , the concept of strong and weak bracing staggered truss system , and the concrete dividing standard are also given , so that makes the staggered truss stable theory have a good link with the new code , and provide theory guarantee for designers 橫向分析時將我國新修訂的《鋼結(jié)構(gòu)設(shè)計規(guī)范》 gb50017 - 2002中,關(guān)于框架體系支撐條件的論述引入到錯列桁架的穩(wěn)定分析中,提出了強支撐錯列桁架體系和弱支撐錯列桁架體系的概念以及具體的劃分標準,使得錯列桁架的穩(wěn)定分析可以與新規(guī)范很好的對接,為設(shè)計人員的使用提供了理論保障。
This thesis points out a theoretical and experimental analysis of the ultimate load - carrying capacity and deformation of the un - braced ideal steel frames . it evaluates the practicality of the book code for design of steel structure ( gb 50017 - 2003 ) in analysis the internal force of steel frames , and gives some suggestion on the structure analysis and design of steel frame 本文對理想鋼框架的極限承載力和變形進行了理論與試驗兩方面的系統(tǒng)分析,評估了新的《鋼結(jié)構(gòu)設(shè)計規(guī)范》 ( gb50017 - 2003 )關(guān)于鋼框架結(jié)構(gòu)內(nèi)力分析條文的適用條件,為鋼框架的結(jié)構(gòu)分析和設(shè)計提出了一些建議。
Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally , a program for calculating semi - rigid with incremental - iterative method has been 本文的目的就是為半剛性連接鋼框架的設(shè)計提供一種既符合工程實際又簡便易行的計算方法,供規(guī)范使用過程的補充、延伸或參考;同時,也將促進半剛性連接鋼框架設(shè)計技術(shù)的發(fā)展,為提高結(jié)構(gòu)安全性能、節(jié)省工程成本發(fā)揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的梁柱連接彎矩轉(zhuǎn)角關(guān)系模型,在分析比較的基礎(chǔ)上,選用richard ? abbott函數(shù)模型作為外伸端板連接彎矩轉(zhuǎn)角關(guān)系模型,通過對34個外伸端板連接的實驗數(shù)據(jù)與回歸分析得到的參數(shù)比較可知,經(jīng)回歸分析得到的此模型參數(shù)與實驗數(shù)據(jù)符合較好。然后用彈簧表征連接點的轉(zhuǎn)動剛度,根據(jù)梁的轉(zhuǎn)角位移方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節(jié)點柔性、幾何非線性和剪切變形的影響,并對固端力進行了修正,最后用增量迭代法編制有限元程序進行計算和分析。