Civil Engineering Chapter 33 Homework Ledger Joist Posts Post And Beam Framing

Document Type
Homework Help
Book Title
Landscape Construction 3rd Edition
Authors
David Sauter
134
Exercise 33
Framing Wood Structures
OBJECTIVE
The objective of this exercise is to properly construct
framing for wood structures.
TEXTBOOK REFERENCE
Information related to this activity can be found in the
INTRODUCTION
Two basic choices are available when building the sub-
structure for a deck—traditional post and beam framing
(also called drop beam or plank and beam) or platform
framing (also termed box or flush beam). Post and beam
uses a system of posts to support heavy construction
beams. These beams in turn support structural joists
on-to which the surfacing material is applied. Platform
If using a ledger plate, beam should be hung from
plate using joist hangers.
If resting beam on top of posts, calculate and mark
proper post height. Cut post and rest beam on
top. Fasten using a single saddle connector or
bolts.
Recheck framework for square and proper level.
posts in position with 16d nails, drill pilot holes,
and install carriage bolts.
Platform Framing
Construct rim joist platform frame and attach to
posts or structure.
If attaching to posts, mark and trim posts at
97171_33_ch33_p134-137.indd 134 14/06/10 9:06 PM
Exercise 33 Framing Wood Structures 135
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Posts Beam
Post and beam framing without ledger
Saddles
Joist
Joist
Ledger
Top o
f
the post is set below the top o
f
the ledger
at dimension equal to the thickness of the joist
plus the beam, plus any desired cross-slope
A. B. C.
97171_33_ch33_p134-137.indd 135 14/06/10 9:07 PM
136 Exercise 33 Framing Wood Structures
Install and fasten onto joist hangers.
Locate position for additional railing support
posts. Tack posts in position with 16d nails, drill
pilot holes, and install carriage bolts.
MATERIALS REQUIRED
Cordless drill and bits
Joists:
– hung inside framing,
use joist hanger
Bolts
Joists Hangers
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Exercise 33 Framing Wood Structures 137
50 foot extension cord and access to a 120V GFCI
circuit
• Claw hammer
• Carpenter’s level
• Carpenter’s pencil
25 foot tape measure
EXERCISE DESCRIPTION—PART B
To complete this exercise, calculate and procure the
required materials and install platform framing as deta-
iled in the plan and elevation shown in Figure 33–5.
Existing grade
2'-0"
3'-6"
Frost depth
ELEVATION
8'-0"
2'-0"
3'-6"
Ground line
Figure 33–5 Plan and elevation for platform framing.
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