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lecture16 - July14,2003 CVEN444 LectureGoals ClassProject...

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    Lecture 16 – Shear Design Lecture 16 – Shear Design July 14, 2003 CVEN 444
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    Lecture Goals Lecture Goals Class Project Shear  Shear Design
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    Class Project Class Project The structural floor plan of a three-story (ground floor, two suspended floors, and a roof) office building is shown on the next page. The roof covers the hole used for the elevator shaft and stairwells. The new building will be located in Houston, Texas. The floor systems consist of one-way pan joists slabs supported in one direction by beams located on column lines A through F. In addition, beams are located on column lines 1 and 4 as part of the lateral force resisting system . 0.75L 0.75L 0.75L 0.75L 0.75L L 0.85L L A D E 1 2 3 4 1 1 Pan joist - rib direction (typ) C 2 2 Plan View B F Hole for Elevator shafts and stairwells 2 2
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    Class Project Class Project The design loads for the floor (in addition to the self-weight) include a superimposed dead load (SDL) of 20 psf to account for moveable partitions, ceiling panels, etc. and a superimposed live load (LL) to be determined from ASCE 7-95. In addition, a 0.5 kip/ft. wall load is applied around the building perimeter. The design loads for the roof (in addition to the self-weight) include a superimposed dead load (SDL) of 10 psf. 0.75L 0.75L 0.75L 0.75L 0.75L L 0.85L L A D E 1 2 3 4 1 1 Pan joist - rib direction (typ) C 2 2 Plan View B F Hole for Elevator shafts and stairwells 2 2
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    Class Project A Design the continuous beams of the first floor on column lines D  and E of the second suspended floor assuming that they support  the one-way pan joist floor system (3 parts).  B Design the slab of the second suspended floor as a one-way pan  joist system supported in one direction on column lines A through F  (3 parts). C Design and detail the columns for all three stories for the location  where column lines E and 2 intersect (1 part). D Design the roof system as a two-way slab without beams (1 part). E Design the footing for the column on column lines E and 2 (1 part). Overview of Required Design:
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    0.75L 0.75L 0.75L 0.75L L 0.85L L A D E 1 2 3 4 1 1 Pan joist - rib direction (typ) C 2 2 Plan View B F 0.75L Hole for Elevator shafts and stairwells 2 2 Class Project Class Project
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    Class Project Class Project The Joist detail for section 1-1 The beam detail for section 2-2
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    Class Project Team Performance It is expected that all assignments related to the project will be done in teams. Each assignment must contain computations that are initialed by the calculators (or originators) and initialed by the checker(s) . Members of the team will rotate between calculation and checking tasks. It is recommended that two persons calculate for each assignment (i.e., In a four-person team, two persons should provide calculation services on odd numbered assignments and checking services on even number assignments. In a three- person team, each person should rotate so that they are checking every third assignment.)
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