May 26, 2017 - Graitec Advance Concrete 2011 Crack > t.co/9vuB334oBy. Graitec Advance مجموعه نرم افزار های شرکت Graitec است که برای طراحی و مدیریت انواع ساختمان و سازه های پیچیده بتنی، قلزی، چوبی و. System is dedicated to structural engineers who require a comprehensive solution for simulating and optimizing all their projects. It includes a user-friendly structural modeler, automatic load and combination generators, a powerful FEM analysis engine (static, dynamic, time history, non linear, buckling, large displacement analysis, etc.), comprehensive wizards for designing concrete and steel members according to Eurocodes, efficient result post-processing, and automatic report generators. Some of the features of Advance Design are a new design module for timber frames to Eurocode 5 (German, English, French, Romanian and Czech National Appendices), calculation of cracked inertia for linear and planar elements, implementation of the Baumann method for reinforcement plates to Eurocode 2, verification of stresses and crack openings as a function of the real reinforcement implemented in the element for Eurocode 2 (EN 1992-1-1). Main information regarding stresses and crack openings Seismic design of structures is mainly focused on developing a favorable plastic mechanism to render the structure strength, ductility, and stability. The behavior of a structure regarding the action of a major earthquake is anything but ductile, taking into account the oscillating nature of the seismic action and the fact that plastic hinges appear rather randomly. To achieve the requirements of ductility, structural elements, and thus the entire structural system must be able to dissipate the energy induced by the seismic action, without substantial reduction of resistance. Download scred connexion selexion rar download. Both Romanian seismic design code P100-1/2006 and Romanian standard SR EN 1998-1, provide a method for prioritizing structural resilience ('capacity design method') in order to better choose the necessary mechanism for dissipation ofenergy. Determination of the design efforts and the efforts for elements will be in accordance to the rules of this method. Constructive measures for meeting the local and global ductility Checking the stresses and the crack openings is a requirement - they must be limited, otherwise it would affect the proper functioning of the entire structure. Stresses and the crack openings to elements made of reinforced concrete are determined either by the loads applied during construction, stresses from the subsidence of foundations, temperature changes and temperature gradient, contractions, slow flow, etc. C - the concrete cover of the longitudinal reinforcements k 1 - the coefficient that takes into account the bond properties of the bonded reinforcement k 2 - the coefficient that takes into account the distribution of strain Φ - the diameter of the bars. If using more diameters in the same section, an equivalent diameter shall be taken into account P P,eff - the effective reinforcement percentage, suitable to the effective concrete section, surrounding the tensioned reinforcement For k 3 and k 4, the recommended values from the National Appendix can be used. Control of crack openings with no direct calculation This is a simplified method, which uses rules derived from the formulas for calculating crack openings. The minimum area of reinforcement is determined (the reinforcement must not yield as soon as the first crack occurs) following the limitations required by Eurocode 2, for reinforcement bars and the distance between them (according to Table 2). Checking the stresses and the crack openings involves a large number of iterations, which is hard to manage by manual calculation. ADVANCE Design allows automatic control of stresses and the crack openings. Checking stresses and crack openings with Advance Design Since automatically performs the checking for the stresses and the crack openings, we will take as an example a circular tank made of reinforced concrete (Figure 1).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |