February 28, 2026

Bridging the Gap: Real-World Coordination Challenges for Structural Engineers

Structural engineering isn’t just about calculations—it’s about making assumptions explicit, validating them against the built environment, and translating loads into actionable design decisions. Even perfect analysis won’t prevent problems if coordination fails. Here are four real-world cases that illustrate the challenges and solutions that practicing engineers face daily. Architect Coordination – “The Wall Section That Didn’t Exist” Project: Multi-story mixed-use building Challenge: The architectural drawings specified a wall section that was shallower than required for structural framing. Technical Issue: The structural model indicated that full lateral loads required a thicker wall cavity to properly anchor the framing. If built per the architectural drawings, the wall would have created clearance issues and compromised the lateral load path. Solution & Workflow: Compared architectural sections to the structural model in 3D. Highlighted discrepancies in the model and prepared annotated visuals. Shared a clear summary with the architect outlining why the wall depth needed adjustment. Outcome: The architect revised the wall section prior to construction. No field conflicts occurred, and the project stayed on schedule. Engineering Lesson: Always validate architectural assumptions against your structural model. Small dimensional mismatches can create drift, clearance, or lateral capacity problems. Contractor Coordination – “The Footing That Wasn’t There”…

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March 10, 2016

Importing Recorded Seismic Ground Motions

The Pacific Earthquake Engineering Research center (PEER) has a large...

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March 03, 2016

How to Thicken a Slab

RISAFloor ES allows you to model concrete slabs of any thickness. However,...

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February 24, 2016

What are the Ramp Up/Coast Down Functions in Time History?

Ramp Up Function RISA allows you to define “Ramp Up Functions” to control...

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February 04, 2016

How to Add a Drop Panel

In RISAFloor ES, you can quickly thicken the slab in the column strip area...

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January 20, 2016

Why Did My Reinforcing Change in ACI 318-14?

The new ACI 318-14 code has been implemented into RISA-3D V14, RISAFloor...

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January 14, 2016

Importing a Time History Function

New in RISA-3D v14 is the introduction of a Time History analysis feature....

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January 07, 2016

Mechanically Graded Wood Design now Available

Mechanically graded wood materials have been added for the AWC NDS 2015...

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December 22, 2015

Wood Design per AWC NDS 2015 Wood Code

The latest versions of RISA-3D and RISAFloor now incorporate the AWC NDS...

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December 16, 2015

Concrete Design per ACI 318-14 Concrete Code now Available

The new ACI 318-14 code has been implemented into RISA-3D v14, RISAFloor...

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