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STRUCTURAL STEEL & TIMBER DESIGN-SST2605 PROJECT No. 1 CAPE PENINSULA UNIVERSITY OF TECHNOLOGY DEPARTMENT OF CIVIL ENGINEERING & GEOMATICS SUBJECT : STRUCTURAL STEEL & TIMBER DESIGN-SST2605 DATE 26-05-2021 PROJECT No.1 NEW STUDENT RESIDENCE AT CPUT BELVILLE CAMPUS LECTURER : MR MC JABAAR PROJECT BRIEF: You are part of design team and you have been tasked by Project Engineer to design the Structural steel, Timber & Reinforced Concrete framed structure which forms part of the new CPUT student residence on the Belville campus in Cape Town. The framed structure is considered braced. The ground floor and first floor levels will be utilized for student residence. The second floor level is an accessible flat roof slab. Attachments: 1. Drawing No.1-Typical First floor layout 2. Drawing No. 2-Details Specifications: Ground floor: i. Usage / occupancy: Student residence (Domestic). ii. Top of RC base level 98.690 m iii. Top of surface bed and stub column level 99.190 m. The surface bed slab is 100mm thick on damp proof course on well-compacted fill material. iv. Allowable bearing capacity of soil is 280 KPa. v. All steel columns are bolted down to 400 x 400mm stub columns on pad footings. ii. Top of 200mm reinforced concrete slab level: + 102.790 m. Assume 30mm cement screed. III. Live load as per relevant SANS Loading Code. iv. Double skin perimeter wall: 270mm thick x 3.0 m high around perimeter of building. Internal walls are 220mm thick x 3.0m high as indicated on plan. v. All main beams are steel 1-beams supported on steel columns on RC stub columns. First floor: i. Usage /occupancy: Student residence (Domestic). SEMESTER 1-2022

STRUCTURAL STEEL & TIMBER DESIGN-SST260S PROJECT No. 1 SEMESTER 1-2022 Roof: i. Usage:- Accessible roof. Live load = 2.0 kPa nominal. ii. Top of 200mm slab level: 106.390 m. iii. 35mm Macadam waterproofing tar on 30mm screed on 200mm thick RC slab. iv. Double skin clay brick balustrade wall, 1,20m high around perimeter of building. v. All perimeter steel columns to extend 1.20m above roof level. Design Data: i. All steel grade 350W, fcu = 25MPa (foundation and stub column). ii. Any information not given may be selected using the relevant SANS codes. Question 1 Referring the the plan, consider block Part B only At First floor level: 1.1 Each group is responsible for the design of: a) Beam labelled SB10 in accordance with SANS10162-1. Note: Beam S810 is simply supported on columns CS & C7 and its compression flange is laterally restrained along its length. It supports the RC slab as well as the point load from beam SB14, which acts as a point load in the centre of beam SB10. Perform a section classification. At Ultimate limit state check the beam for: i. Shear resistance, ii. Moment resistance, iii. Web buckling and crippling. At Serviceability Limit State check the deflection. Ignore self-weight of the beam. b) Design column labelled CS in accordance with SANS10162-1. The column can be considered pinned at both ends and the total length of the column between pin supports is 3 000mm. Assume column C5 at ground floor level is a 203 x 203 x 60H steel section. The column is subjected to axial load only. Calculate the maximum Axial load capacity of the column. c) Base plate to column C6. If the column C6 was designed to be a 305 x 165 x 54 I-section, design a suitable rectangular baseplate for the column. The column has been designed as pinned at the base. The results obtained from a second order analysis produced an ultimate axial load of 1350 kN together with an ultimate shear of 75 kN at the base of the column. The fcu = 25 MPa concrete and the grout used will be of at least this strength. Class 4.5 bolts are to be used. All steel to be grade 350w. Assuillet weld to be E7018 electrode

STRUCTURAL STEEL & TIMBER DESIGN-SST260S PROJECT No. 1 SEMESTER 1-2022 1.2 Each group must design only: L One simply supported beam labelled S810, one column labelled C, ii. iii. one base plate to column labelled C6, and iv. a typical bolted connection detail of the bracing to the columns. 1.3 All group members may contribute collectively to the following: The design and detailing of the single span simply supported steel beam at first floor level. Producing Drawings of Part B only indicating the designed elements. Draw to a scale of 1: 10 detail of base plate connection. Collate the Project neatly into a file. Note: Please avoid placing your sheets into plastic sleeves as it poses a problem during marking. Determine in accordance with the relevant SANS10160-2:2010 and SABS10161-1 (a) Load distribution pattern on slab and in tabular form determine the ultimate design load on the respective beams SB14 & 5810 (b) Draw neat bending moment and shear force diagrams of beam $810. (c) Design the beam. (d) Reproduce neat drawings, showing: i. First Floor layout showing the sizes of designed elements. iii. Details & Cross sections. You may add any other details which you may deem relevant to clarify construction. All drawings to be maximum A3 size and folded to A4 size to fit your file. The drawings may be hand drawn or CAD generated drawings. General This project must be handed in on Campus in hard copy. It must be completed in a group consisting of four members (maximum). Each team must elect its team leader to ensure that responsibilities are equitably shared and deadlines met. Students are strongly encouraged to consult with lecturer, qualified structural Engineers to guide them. Each project must be neatly bound. It must contain inter alia: A Cover page, Contents page, Introduction page, a body and a conclusion, etc. All drawings also to be folded to A4 size into file. Neatness will definitely count in your favour. Hand-in date Thursday 9th June, 2022 before 13h00 Students will have to make necessary arrangements to have Project submitted by due date. Students must ensure that the group members' Names, Surnames, Student number and contact number appear on the cover page. the Project as an omission will mean that they did not participate with a subsequent zero score. NOTE: The project counts 15% towards your final mark. ENJOY THE PROJECT!

TBI 0000 TB2 764 280 cavity perimeter brick walls over (3m high shown hatched) 5817 Gboardy Josts at son 3000 azus C10 FFL 102.790 40mm screed on 200 RC Slab) 5818 TS boards o Josts at 500 ce 3000 9000 2205 Tas S 584 C CS 5813 3000 1 1500 Balcony PART C (Tops of all steel beams joists and bearers at slab soffit) 1500 Bridge 6000 581 583 2790 Double Volunte 300 STAIR SB9 (atstab some) 5814 5815 S816 FFL 102.790 (40mm screed on 200 RCS) CE 585 0₁ 588 CS ήτης DODE COOE 0.00E 7500 12000 PART A (Tops of all steel beams & timber planks to line up) 6000 0009 0009 9000 PART B (Tops of all steel beams at slab soffit) balcony 1ST FLOOR PLAN 1:100 PART D (Tops of all steel beams & joists to line up) 5000 CLI 5826 5829 1500 C121 5827 S830 11 S832 SB33 5834 5835 (14 5836 C13 NOTES: CI to C14-Steel Columns (3.1m long from u/s 1st floor or deck to T.O.Base) 581 to 589 & 5814 to 5818 & 58 37 to 5836-Simply supported Steel Beams SB10 to SB13 & 5819 to 5836- TBL to TB4-Timber bearers DRG No. SST-01 3000 5825 5828 5831 Repole event back tabe 3000 3000 DODE 0005

(C7 +106-190 +102-790 +99.390 V 6.0 m C5 100 x 100 x 10 L BRACING STUB COLUMN ELEVATION 1:100 30 mm SCREED. 200 RC SLAB MAIN BEAM SB10 PART B DETAIL 1 1:20 TYPICAL BRACING DETAIL. C5 6.0m ROOF LVL. SEE DETAIL I FIRST FLOOR GROUND FLOOR. FOOTINGS COLUMN (C5) (C2 6.0m PART A 200 30 6 No 20 (M20) GRADE 8.8 BOLTED TO 8 mm THICK PLATE & 100 x 100 x 10 L PROJECT SST 260 S CAUT STUDENT RESIDENCE ELEVATION & DETAIL 1 DRAWN BY: MCJ PRG No. SST 02