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AT2 KNOWLEDGE DIARY GROUP 2 (portal frame (purlins/gurts Cee Zed …
AT2
KNOWLEDGE DIARY
GROUP 2
Concrete tilt-up
Walls
(Poured concrete wall foundations are stronger than cinder blocks. Poured walls have a better lateral strength, which means they are able to resist more pressure from the water and the soil from the outside. A poured wall doesn't have joints like a block wall so it is easier to waterproof)
on site pour
walls deep beam
150 mm
200mm
pad footings
wall panel junction
steel plate connection
anchor points
apoxy to fill in anchor points
theory concrete:
slump test (residential)- shows the workability of concrete. Workability measure how easy the concrete is to place,handle and compact.
compression cylinder test (commercial)-
floor slab
steel cover
delayed pour
expansion
control joint
Connolly joint
concrete cancer
(concrete spalling and cracking problems caused by rebar corrosion in buildings and concrete structures)
AS3600
control joint less than 180 degrees
portal frame
purlins/gurts
Cee
Zed
Attached with cleats
universal beam
hot rolled products
cold rolled products
bracing
tube steel with plate connection