How Engineers Solve Problem Using the Collaborative Approach of Bridges and BIM

Construction Tech Review | Wednesday, June 16, 2021

Construction firms, architectural firms, general contractors, and many other agents use building information modeling (BIM) modeling. Bridges are more complex, requiring much analysis and good design validation. BIM can help project stakeholders plan, collaborate, and implement new bridges or renovate or reconstruct older bridges.

FREMONT, CA: When constructing bridges, it is critical to consider the general geological conditions, reference points, proximity to water, and intended use. Loads, pressures, connectivity to cities, rainfall, footfall on the bridge, and transport movement are validated and checked before design. Following the design stage, engineers can unquestionably rely on Virtual Construction modeling to ensure that the methods and calculations are construction-ready. The load calculations are based on the number of vehicles crossing the bridge. In addition, traffic intensity and peak traffic periods must be considered. If the bridge connects two ends of a river, it must be built to withstand the river's flow and current.

BIM for the construction of new bridges

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The design of a bridge's virtual construction is distinct from that of other structures or buildings. As a result, the application of BIM is specific. A detailed 3D model with detailing and construction standards applicable to bridges is required for this type of construction. It is critical to maintaining a robust process that is consistent throughout design, development, and construction. Apart from 3D BIM modeling, engineers concentrate on other advanced systems such as construction sequencing, topography development, and detailed coordination of multiple disciplines and architectural, structural, mechanical, and electrical techniques. Construction becomes more productive, budget-conscious, and planned due to these intelligent models and BIM processes. They can develop a detailed, discipline-specific model that includes all of the elements and then coordinate them. In general, civil structures can be modeled using BIM-compatible software.

3D modeling for bridge renovation

Many bridge buildings need repair and renovation. For example, old tunnels and bridges over rivers need to be redesigned and renovated based on changing weather, bridge age, etc. Renewing these bridges is therefore mandatory. A bridge can be scanned using laser scans and converted to bridge BIM. This exercise reduces manual inspection time and helps capture all repairs, interior elements, and existing design layouts. In addition, this exercise helps develop the proposed strategy minus existing errors and problems. Once completed, this model can be converted into a BIM model, construction drawings, topography, and construction sequence to present the renovation process. BIM Modeling follows a parametric approach, so a group of people can view and handle it simultaneously. In addition, live construction checks and other features help update information and thus assist in decision-making.

BIM modeling and scan-to-BIM conversion benefits

  • Rapid and efficient project implementation
  • Practical problem-solving
  • More precision in performance
  • Checked costs

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