Concrete Slab Types: A Guide to Structural Systems

Описание: Six concrete slab types explained with span ranges, load capacities, and the decision framework you need to pick the right system every single time.

Every concrete slab question on the ARE comes down to two things: the shape of your bay and the loads it needs to carry. But with six different systems to choose from, it's easy to second-guess yourself when the clock is ticking.

In this episode, we break down all six structural slab systems from one-way solid slabs to waffle slabs.

You'll learn the span ranges for each, the load conditions that drive your selection, and the visual cues that show up in exam questions.

We cover why bay geometry matters more than anything else, how to tell the difference between a one-way joist and a waffle slab, and what punching shear has to do with flat plates vs flat slabs.

Key topics covered:
One-way vs two-way classification using the aspect ratio test
One-way solid slabs (6-18 ft) and one-way joist slabs (20-30 ft)
Two-way slab with beams for square bays (15-40 ft)
Flat plate vs flat slab: when drop panels matter
Waffle slabs for long spans and architectural expression (24-54 ft)
Formwork cost comparison across all six systems
A quick decision framework for exam day

This content is especially relevant for the PPD and PDD divisions of the ARE 5.0.

Chapters:
0:00 - Introduction
2:10 - One-Way vs Two-Way: The Shape Test
4:45 - One-Way Slab
6:02 - One-Way Joist Slab
7:56 - Two-Way Slab With Beams
9:28 - Two-Way Flat Plate
12:04 - Flat Slab With Drop Panels
14:56 - Waffle Slab
17:46 - Putting It All Together
19:26 - Wrap-Up

Episode Resources:
Download the free 2-page study guide: https://youngarchitect.com/slabs

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