Know Concrete Beam Design and Working AutoCAD Drawings
A commercial bridge contains three main structural members – Substructure (foundation), Superstructure and Deck. The foundation is used to transmit the full weight of the bridge to the earth. It is made up of two components – abutments and columns. An abutment is the link between the end of the bridge and the ground offering support to the end segments of the bridge. The superstructure is the horizontal platform that extends over the distance between columns. The deck of the bridge is the traffic-carrying exterior plane added to the superstructure.
The bridge design involves number of factors, including the live/dead loads, wind patterns, local geography, water streams, soil conditions, seismic potential, estimated traffic and cost constraints.
The basic type of bridge is the beam or girder bridge having concrete beam as its main component. The design of pre-stressed concrete beams is perhaps one of the most complex jobs for the structural engineer. With most materials, the designer has to select the shape of the cross section and web & flange thicknesses. In pre-stressed concrete, there are many variables. Not only the shape is variable, but the position and quantity of the pre-stress can be changed to suit the specific application.
The structural engineer firm needs to prepare and submit various construction drawings to local authorities and Engineer of Records (EOR) for approval. AutoCAD drawings related to concrete beam design contain beam reinforcement details, design notes, precast slab reinforcements details, bridge cross section, pier pile cap details, abutment pile reinforcement details and various detail drawings for the concrete bridge.
Remember, to ensure effective bridge beam design and its successful implementation you should hire a professional design team to deliver drawings as per your specifications & standards. You can also think over outsourcing concrete beam design related needs to developing countries like India for better utilization of your resources & get significant cost advantages!
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Questions and Answers
Simple deck beam bridges are usually metal or reinforced concrete. Other beam and girder types are constructed of metal. The end section of the two deck configuration shows the cross-bracing commonly used between beams.
A concrete slab is a rectangular, flat and strong structure made up of concrete. Concrete slabs are 10-50 cm thick. Mainly, these are used in the construction process. These are used in floors, roofs, bridge deck, homes and different buildings to make them strong.
Recent discovery of water on the surface of moon has renewed the discussions on feasibility of human habitations on moon. If humans are to live there, can Concrete be far behind? Eminent Engineer Shashank Vaidya in his article under Concrete Thought Leader Series (published by http://www.ConcreteBasics.org ) takes you through the interesting aspects that will have to be catered to for making concreting on moon a reality.
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The key reason why some firms thrive while some implode during an financial recession is still a puzzle to many people business-owning business owners. Some wrongly assume that all businesses should suffer via recessionary cycles. But the truth is that some companies are usually essentially recession-proof, and it is not necessarily because they are much larger, better known, or a lot more generously capitalized.
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Steel fabrication is nothing but the construction of steel members and assembly using processes like modeling, designing, detailing and drawing as per structural design provided by the engineer.
Shop drawings are sets of structural or detail drawings of pre-fabricated members of any structure - be it residential, commercial, industrial and institutional.
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Construction Drawings are extremely essential for proper design development and commissioning of building and civil structures.
A Structural Drafter is also called a computer-aided design (CAD) and drafting expert catering to structural drafting and drawing related needs. The drafter should have strong analytical, mathematical and drawing skills to deliver quality results in rapid turnaround time.
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