âComputational Civil Engineering - "Intersections" International Journal

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“Computational Civil Engineering 2005”, International Symposium 2015. The user has to launch “TABLE” function, enter the filename of the textfile that was generated by sort program and choose the insertion pointwhere the reinforcement table will be placed in the AutoCAD drawing.The result obtained by following the steps above are presented in figures 3. and 4.:Figure 4 Final outputReferences1. John Wiley & Sons - AutoCAD 2004 Bible , 20042. Burchard B. , Pitzer D. - Totul despre AutoCAD 2000, Editura Teora, 2000.
“Computational Civil Engineering 2005”, International SymposiumIaşi, România, May 27, 2005Static analysis of semi-rigid structures - Computation programMircea Petrina 1 , Roxana Balc 21 Structural’s Mechanics, Technical University, Cluj-Napoca, 3400, Romania2 Structural’s Mechanics, Technical University, Cluj-Napoca, 3400, RomaniaSummaryThe study presents an analysis of the behavior of semi-rigid steel structures using acomputation program. A synthetic description of the behavior of semi-rigidstructures was presented. The effect of the linear behavior of the beam-columnconnections is discussed. The static analysis of a steel frame in the ultimate limitstates was developed. A comparative study with experimental results is made.KEYWORDS: semi-rigid frames, computation program, linear static analysis,beam to column connection.1. INTRODUCTIONConventional analysis of steel frame structures is usually carried out under theassumption that the beam-to-column connections are either fully rigid or ideallypinned.However, most connections used in current practice are of semi-rigid type whosebehavior lies between these extreme cases.The moment-rotation relation describes the joint behavior. Experimentally testsdeveloped from elements connections have generated a database for momentrotationcurve. Using this database, more models for connections behavior aredeveloped as: linear, bi- or tri- linear, polynomial, exponential.There is a great variety of possibilities for practical realization of beam-to columnconnections. Modifying the structural connection’s details, different non-linearbehaviors are obtained, starting with quasi-perfect rigid connections (connectionswelded with the flush end plate) and ending with flexible connections ( boltedconnections of double angles on the beam web, bolted connections of flush endplate and angles on the beam web, bolted connections of angles on the beamflanges etc).Considering the connections effect on the global structural analysis, the followingobservations have to be made regarding the frame joints modeling:- The elastic analysis is based on a linear moment-rotation relation of theconnection
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