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CE 303: Introduction to Construction

CE 303: Introduction to Construction. Blueprint Lab. Building Construction II. Objectives. An Overview of Residential Wood Framing: We will look at framing components for… Floors Walls Roofs Stairs. Floor Frames. Sill Plate Attached atop surface of foundation wall

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CE 303: Introduction to Construction

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  1. CE 303: Introduction to Construction Blueprint Lab

  2. Building Construction II

  3. Objectives An Overview of Residential Wood Framing: We will look at framing components for… • Floors • Walls • Roofs • Stairs

  4. Floor Frames • Sill Plate • Attached atop surface of foundation wall • Connected with anchor bolts in the concrete • Header • Nailed to top of sill plate • Larger cross-sectional dimension goes in the vertical direction • Same size members as joists

  5. Floor Frames (continued) • Joists • Ends rest on sill plate • Connected to header • Normally spaced 12”-16” apart • Subfloor • Covers joists and headers • Usually a sheet material; e.g. plywood • Covered by finished floor

  6. Wall Frame Types • Platform • Most widely used • Each floor is built separately on the floor below it • Balloon • Not widely used anymore • Studs extend from the 1st floor to the highest floor • Unbroken walls allow fires to spread quickly

  7. Wall Frame Types (continued) Plank and Beam (Post and Beam) • Heavy timber posts are used in walls • 2” thick planks support the floors and roof • Benefits • Fewer support members are used • Can create more aesthetically pleasing designs

  8. Wall Frame components • Sole plate • Nailed horizontally to subfloor • Serves as a base for the wall frame studs • Same size members as studs • Studs • Vertical members • Extend from sole plate to top plate

  9. Wall Frame components (cont.) • Top plate • Rests above studs • Supports next level of building (either the next floor or the roof) • Header • Placed above door and window areas • Distributes weight where studs cannot be used

  10. Roof Frames • Rafter • Angled member • Supports weight of roof • Ridge board • Horizontal member at roof’s peak • Connects the upper ends of each rafter • Collar beam • Connects rafters horizontally • Increases stability

  11. Stair Frames • Stringer • Angled member running between floors • Supports stairs • Tread • Horizontal member • Forms the flat surface that you walk on

  12. Stair Frames (continued) • Riser • Vertical member • Provides elevation change from step to step • Winders • Modifications in design that change direction of stairway (L, U, spiral…) • Conserve space

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