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CMP Exam 1| Unlimited Solved Questions with Answers |Latest 2024
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CMP Exam 1| Unlimited Solved Questions with Answers |Latest 2024
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CMP Exam 1| Unlimited SolvedQuestions with Answers |Latest 2024
TJI Member (floor joist or rafter) ADVANTAGES - ✔✔-dimensionally
stable -vertically straight (don't need to crown) -Light weight
-up to 60' length
-some have knock outs
-can put holes for plumbing
TJI Member (floor joist or rafter) DISADVANTAGES - ✔✔-Toil nailing:
smaller nail prevent splitting bottom chord
-still need girder in basement
-cant mix TJI with standard floor joist
LVL (Laminated Veneer Lumber) - ✔✔An engineered wood product in
which veneers of wood are stacked in parallel and glued under pressure.
-Upper and lower chord of TJI
-NOT plywood - grains run in the same direction
,Reason to laminate wood? - ✔✔Control size/shape/quality
LSL (laminated strand lumber) - ✔✔-Less expensive than LVL
Use:
-beams
-headers
-window frames
~No warp/twist because of no grain pattern
PSL (Parallel Strand Lumber) - ✔✔An engineered wood product in which
thin strands of wood are glued together under pressure.
-In restaurant beams
Uses:
-posts, beams, headers
No warps/twists
Floor trusses are generally spaced ____ inches OC. - ✔✔24
Floor Truss - ✔✔-Clear span
, -place less of them than regular/tradition
-$$$
-only issues with them are that heating/ventilating/water lines need to
be insulated when placed inbetween floor trusses
4 Beam Materials - ✔✔1) Steel
2) Solid (timber)
3) Built
3) Engineered Lumber (LBL,LVLs)
Steel Beam - ✔✔Adv:
-longer span distance with smaller beam than wood
Dis:
-Cant nail into them
-must fasten plate to beam, joist to plate
Beam Styles - ✔✔S or W Beams
W Beams Stand For? Where is it most common? W8x24 stand for? - ✔✔Wide
Flange Beams
-Most common in residential
Ex: W8x24
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