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Thursday, February 23, 2012

How Building Information Modeling facilitate rebar detailing process for structural detailers

A rebar alias reinforcing bar is considered as a common steel bar generally utilized in reinforced concrete (RCC) and reinforced masonry structures. Rebar are usually originated from carbon steel and are given ridges to be fitted with concrete in a better way.

BIM authorizing software like Tekla, Revit and AutoCAD are applied to generate and deliver precise rebar shop drawing from the solid 3D model as per the specifications and requirements of structure or building to maintain the exactness of bending operation and keep the required lap lengths and acchorage length .

With BIM the structural steel detailer can readily and precisely model all the components of structure together with concrete, rebar, mesh, connectors, and other accessories. Even composite shapes are smoothly reinforced exclusive of drawing individual bars.

rebar detailing


From a BIM model the steel detailer can generate 2D rebar placing drawings, bar bending schedules, and parts lists and with the alteration in 3D model all the related drawings and documents are mechanically updated.

BIM empower the rebar detailer to easily observe modeled concrete and rebar from any angle or distance to figure out and amend congestion problems or design flaws before they are visible at the jobsite. BIM can be useful for rebar detailing in the following ways :-
  • Rebar Shop Drawings & detailing (beams, slabs, columns, walls and foundations
  • Rebar Fabrication Drawings
  • Rebar Placement Drawings
  • 3d General Arrangement Drawing
  • Small Part Drawings
  • As Built Drawings
  • Rebar Roof Truss Drawing
  • Joist details
  • Retaining Walls Detailing
  • Concrete Masonry Detailing
  • Rebar Steel Detailing
  • Steel connection details
  • Bar Bending Schedules
  • Bar listing schedule
International Standards and Codes: ASTM (American Society of Testing Materials) ACI (American Concrete Institute) CRSI (Concrete Reinforcing Steel Institute) AS (Australian Standards) BS (British Standards)

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