Assignment-6.CIVL232.Spring_2006

Assignment-6.CIVL232.Spring_2006 - CIVL 232 Design of...

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Unformatted text preview: CIVL 232 Design of Structural Concrete Assignment 6: Continuous beams, one-way and two-way slabs, staircases Assigned: Thursday 4 May 2006 Due date: Thursday 11 May 2006 1. The floor plan and slab arrangement of a building are shown in Fig. 6.1. The slab depth is assumed to be 120 mm. The loading is as follows: Dead load = self-weight + screed + finish + ceiling = 8 kN/m2; Imposed load = 5 kN/m2. The condition of exposure is mild. fcu = 30 N/mm2 and fy = 460 N/mm2. Design the continuous beam S1-S2-S3-S3-S4-S5-S6 and the continuous one-way slabs between A3-D3 and A4-D4. Show the reinforcement on sketches. The continuous slabs considered The continuous beam considered Fig. 6.1 2. The floor plan of a building is shown in Fig. 6.2. It consists of restrained slabs poured monolithically with edge beams. The slab thickness is to be 150 mm. Total dead load = 6.0 kN/m2 and imposed load = 2.5 kN/m2. fcu = 30 N/mm2 and fy = 460 N/mm2. Design Slabs 1, 2 and 3 and show the reinforcement in Slab 1 on sketches. 1 2 3 Fig. 6.2 3. (Optional) Design the side flight of the staircase surrounding an open stair well shown in Fig. 6.3(a) and show the reinforcement on a sketch. A cross-section through the stairs is shown in Fig. 6.3(b). The stair is built 110 mm into the side wall of the stair well. The clear width of the stair is 1.5 m; the flight consists of eight risers at 180 mm and seven going of 220 mm. The imposed load = 5 kN/m2, and fcu = 30 N/mm2 and fy = 460 N/mm2. (a) 1500 1350 1500 750 2525 (b) Fig. 6.3 ...
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This note was uploaded on 12/24/2011 for the course CIVL 232 taught by Professor Jskuang during the Spring '06 term at HKUST.

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