例句與造句

1. 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(yīng)有的作用。本文首先介紹了常見的幾種應(yīng)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。
2. then a semi-rigid joint behavior can be modeled as a finite stiffness rotation spring . basing on rotation and displacement equation, we obtain the element stiffness matrixes with semi-rigid connections where the effects of material nonlinear, hysteresis behavior and shear forces in the connection deformations have been considered in and at the same time we modify the fixed-end forces . finally, a program for calculating the elastic-plastic earthquake seismic of semi-rigid connected steel frame structure by step and step integration of wilson-
   本文在介紹和分析半剛性連接彎矩與轉(zhuǎn)角連接關(guān)系模型的基礎(chǔ)上，用帶有轉(zhuǎn)動剛度的彈簧表征半剛性連接，推導出半剛性連接的剛度矩陣，并對桿件固端力進行修正，同時在考慮剪切變形、材料彈塑性、及構(gòu)件的動力滯回性能的基礎(chǔ)上，編制了結(jié)構(gòu)彈塑性地震動力時程分析有限元計算程序。
3. 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 of jointed flexibility and shear forces in the connection deformations have been considered in and fixed-end forces are modified . finally, a program for calculating system reliability of semi-ridge steel frames with monte carlo method and finite element analysis has compiled for calculating and analyzing . by calculating results of several examples for steel frame in semi-rigid joints case show the change of joint stiffness and other kinds of factors affect the system
   接著本文在介紹和分析半剛性連接彎矩和轉(zhuǎn)角關(guān)系模型的基礎(chǔ)上，用帶有轉(zhuǎn)動剛度的彈簧表征半剛性連接，推導出半剛性連接的剛度矩陣，對固端力進行修正，同時考慮了剪切變形的影響，編制了半剛接鋼結(jié)構(gòu)平面框架的有限元程序bhpfl，并在其基礎(chǔ)上編制了基于蒙特卡洛法的montecarlo-bhpfl有限元相結(jié)合的方法，進行體系可靠度的分析。
4. It's difficult to find rotation spring in a sentence. 用rotation spring造句挺難的