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NL FR EN DE CZ | April 2006 |
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Dear SCIA eNews reader, |
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Arcelor and SCIA, a strong tandem for innovation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arcelor Commercial Sections (www.asc.arcelor.com) lays large emphasis on innovation in the use of steel in the construction world. With high-grade steel, efficient new construction methods for floors, bearing structures of buildings, large spans, …, are pursued. The strategic cooperation with SCIA leads to new products and services. Arcelor has a beautiful offer of software for predimensioning, free available on their Internet site. For construction components (for example a beam or a column) fast insight in feasible dimensions for ACB’s (Arcelor Cellular Beams), PMX/CCD beams & columns carried out in mixed steel/concrete, is obtained. The integration of Arcelor dimensioning software in the general design surroundings of SCIA (SCIA.ESA PT) provide direct advantage: the designer is immediately able to compare several options: standard steel profiles, reinforced concrete, prestress concrete, mixed steel concrete implementation or special steel profiles. Arcelor and SCIA promote an appropriate use of steel by creating insight in its bearing power, fire security and cost effectiveness. Both companies will promote each other's products and technology to a wider public. |
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Linear and Non-linear construction stages in SCIA.ESA PT 5.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The linear construction stages were developed for the ‘Prestressing’ project in ESA-Prima Win. It allows the user to built-up its structure (also ‘Steel constructions’!) during the construction and service stages, thus allowing the user to model the entire life cycle of a structure. This module allows the adding/removing of supports, 1D-elements and tendons. For each construction stage, safety factors can be set for the permanent and variable load cases including the prestress load cases, thus resulting in a bandwidth of min/max stresses/forces/deformations/reactions. Additionally the user is able to transform cross-sections by adding newly cast (concrete) or installed (steel/timber/other) materials during the construction stage. Thus easily a composite steel/concrete bridge can be modelled using this module. This module is based on superposing (linearisation) load cases and as a consequence, the user can easily verify results by adding and removing individual cases. The non-linear construction stages were developed for the `PIPFAS’ project in SCIA.ESA PT. Hereby we calculate tensions, forces and deformations in pipelines throughout the various phases that are to be analysed. With a non-linear construction phase model, you calculate in fact a load case that changes as the phases develop. The history of the previous phase (i.e. the deformed structure, internal forces) is remembered for calculating a new construction phase. This module has been based on the 2nd order theory of Newton-Raphson with large bending deformations in the structure. This module cooperates with the physical and geometrical non-linearity’s of SCIA.ESA PT. Particularly, several types of non-linearity can be taken into account: e.g. second order, non-linear point and line supports, not linear ground spring, tension member & compression elements. The input of these phases works according to the same principle as and uses the same dialogues as the linear construction phases. During the calculation non-linear combinations are generated, representing each one a construction phase. The user can examine the results in the standard ESA menus. The total forces, absolute positions of the members, relative deformations (i.e. with respect to the previous phase), the reactions of the support points, support lines and flexible ground, can be easily asked per phase, either graphically and/or in the form of a table. |
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China, 40 new airports from now up to 2010 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
According to the national newspaper 'China Daily’, China will invest 17,4 billion dollars in its airport infrastructures during the next five years, and they plan to build an extra forty airports to answer the strong growth of the air traffic. The number of airports should thus increase from 142 today to 186 in 2010, according to Gao Hongfeng, vice-minister of civil aviation, as quoted by the ‘China Daily’. The anticipated investment during the next five years is exceeding the sums devoted to air infrastructure of the last fifteen years: that is 14,9 billion dollars between 1990 and 2005.
This effort in particular aims at facing the increase in the traffic expected at the time of the ‘World Exhibition’ of Shanghai in 2010, where some 70 million visitors are awaited, notes the newspaper. |
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Customer's Project: Venting Shafts of the Wastewater Treatment Plant of Pierre Bénite | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Project Main quantities
ESA-PRIMA Win Software has been used for this project. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Tips & Tricks: Online Support, requesting "Ticket Status" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
On the Support page, you can find the options View your Tickets and Make a new Ticket. |
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SCIA Group NV - Industrieweg 1007 - B-3540 Herk-de-Stad Tel: +32 (13) 55.17.75 - Fax:+32 (13) 55.41.75 |
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