HouseChalk
Point load
A point load is a concentrated force applied at a single location, like where a post sits on a floor or where a beam rests on a wall.
Why it matters
Point loads require proper support beneath them. A heavy load on an unbraced floor can cause deflection or damage.
Where people get this wrong
Point loads are different from distributed loads. A bookcase spreads load over its footprint. A piano leg concentrates load at a point.
Real-world example
A beam is removed and a post is added to carry the load. The post creates a point load on the floor below. Blocking or a beam may be needed below to carry that load to the foundation.
Where this hits your build
This shows up during framing. Once walls are up and covered, you lose access. The pre-drywall walkthrough is your window to verify.
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