AutoCAD MEP 2011 - Improved Pipe Detailing

Create more accurate display representation to improve construction documents and 3D co-ordination from the building services model produced within AutoCAD MEP 2011. For more AutoCAD MEP 2011 videos, visit Excitech's Video Portal - www.excitech.co.uk



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Structural Steel Detailing - What it is and How It's Learned

Though most people have never even heard of the position, structural steel detailing provides the framework for every building that is erected today. The professional whose job it is to create drawing for the steel fabricators is called a steel detailer. Whenever a new building is erected in a large metropolis or a growing suburb, a steel detailer is an indispensable member of the construction team. The detailer provides in depth plans for the steel construction company so that they will know exactly what is required for each job. Structural steel detailing is used almost exclusively on industrial or commercial projects since those are the only projects large enough to need structural steel.

Structural steel detailing requires input from engineers, architects and general contractors if it is to be successful. A good steel detailer is expected to work closely with a wide range of professionals so that he may provide his client with a superior product. Steel detailers often work for steel construction or engineering firms, they may even be self-employed and offer their services to steel construction companies on a regular basis.

Structural steel detailing is unusual in that it is one of the few highly technical construction jobs that do not require a college degree. In fact, college programs that offer a degree in structural steel detailing are rare in the United States. However, there are certification programs and steel construction companies often pay to have their younger, less experienced steel detailers attend them. This is due to the fact that the profession has come to rely more and more on computers and advanced technology in recent years. Previously, most of the drafting and design was done manually. But nowadays computer-aided drafting software is employed by most of the top steel construction companies.

But in spite of all of the technological improvements, structural steel detailing is more about on the job experience than it is about classroom theories, which is probably why a college degree is not required for steel detailers in the U.S. It is responsibility of the steel construction company that hires a new steel detailer to properly train him in his new profession. This training often requires a kind of apprenticeship, with the new detailer or trainee working under an experienced detailer for at least five years before he learns everything he needs to know about the trade. In the end, structural steel detailing is a profession that relies almost entirely on experience and on the job training rather than classroom training.

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Structural Steel Detailing - Its Standards and Its Software Tools

Structural steel detailing is the design and drafting of the connections between the steel beams and columns in the massive steel frameworks that form the skeleton of most multi-story buildings in the western hemisphere.

The design of these connections is naturally very critical, since the decoupling of any beams from columns could result in collapse of the steel framework as well as the building, and the consequent deaths of thousands of people.

For that reason there are very exacting standards which are followed for structural steel detailing. These standards are different for every country, and are compiled by recognized industry associations of the concerned country.

Examples of such associations are:

American Institute of Steel Construction (AISC)
Canadian Institute of " " (CISC)
SBI Swedish Institute of " "
EUROFER, the European Confederation of Iron and Steel Industries
African Iron & Steel Association
Arab Iron & Steel Union [AISU]
World Steel Association (formerly IISI)
Brazilian Steel Institute (IBS)
British Constructional Steelwork Association (BCSA)
Iron & Steel Institute of Japan
Korean Iron & Steel Association
Malaysian Structural Steel Association (MSSA)
Norwegian Steel Association
Steel Construction Institute (SCI- UK)
Taiwan Steel and Iron Industry Association (TSIIA)
Japanese Society of Steel Construction
The Steel Construction Institute
The Southern African Institute of Steel Construction
China Steel Construction Society

Structural steel detailing starts after the design of the structural framework has been completed. Using the properties of the steel material in question, the steel detailer calculates the forces acting on the connection he is designing. He then consults design tables to arrive at the specific design details of the connection.

These design details would include the material and dimension of the brackets, nuts and bolts. He expresses these in the form of an erection drawing, which is a drawing that people working on the site follow to assemble the actual connections.

Structural steel detailing typically involves the use of one or more very specialized software programs, such as STAAD, RISA, SAP2000, RAM, PCA, SAFE, SDS/2, Tekla and ETABS. Some of these programs are so sophisticated that one has only to input the steel structure design along with some specific parameters such as material, edge distance and cope criteria, and the program designs the connection automatically with a few clicks.

The erection drawings are usually created with wide-used CAD platforms such as AutoCAD or MicroStation.

Structural steel detailing is clearly an evolved discipline with stringent standards and sophisticated tools at its disposal.

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