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Integrated Design Project Students Class of 2021RE: 6003ENG – Integrated Design Project – Structural Design Assignment BriefStudents of Integrated Design Project 2021,1.0 IntroductionThis brief stipulates the requirement of your assessment task for 6003ENG Integrated Design Project 2021. It includes project background information, the project design brief and required submission dates.This Assignment Brief outlines the structural design deliverables only and a separate Assignment Brief will be provided for the civil design deliverables required for 6003ENG – Integrated Design Project.2.0 BackgroundA local client has recently purchased a vacant lot in Coomera, Gold Coast within 10 kilometers from the foreshore. Due to the proximity of the site to local retail shopping outlets, developing residential zones and public transport, the client has expressed interest in developing the site for the construction of a low rise commercial development to maximize returns on their investment.The client has completed the initial feasibility phase of the project and has already commissioned a local architect to provide conceptual plans for a 8 story commercial development at the site. The proposed building consisted of 7 levels of commercial office space and rooftop plant level.These preliminary Architectural and Structural drawings are provided in Appendix A and include:Drawing Number Drawing NameA-0-01 Level 1 to 7 Architectural General Arrangement PlanA-0-02 Level 8 Architectural General Arrangement PlanA-0-03 Architectural Building Elevations Sheet 1A-0-04 Architectural Building Elevations Sheet 2A-0-05 Architectural Building Elevations Sheet 3A-0-06 Architectural Building Elevations Sheet 4A-0-07 Architectural Building Elevations Sheet 5S-0-01 Level 1 to 7 Structural General Arrangement Plan2 of 93.0 Project BriefAs final year engineering students, you have been requested to provide structural consulting services to assist with understanding the commercial viability of constructing this 7 story commercial development in Coomera, Gold Coast. You are requested to prepare:1) a conceptual design and basic annotated drawings of selected structural elements with sufficient information for pricing; and2) Supporting design calculations.Details must include all required structural concrete sizes, require reinforcement and relevant design information that may affect the final construction cost for the building. Each structural element must represent an efficient design and calculations are to be appended to the annotated drawings.The building conceptual design is to include the following project deliverables:1) Written Communicationa. Provide a design brief outlining the structural performance requirements to which the building will be designed; andb. Provide a Geotechnical Engineering Brief outlining the require information sufficient for a geotechnical consultant to price site investigation works for the purpose of preliminary foundation design.2) Structural Deliverable 1Prepare a conceptual design and basic annotated drawings for a single two way reinforced floor slab design. The design is to be completed using hand calculations. Finite element programs such as Microstran or Spacegass are permitted to assist with verifying design actions only (i.e. shear and moment). However commercial design applications such as RAPT or RAM Concept are not to be used. The specific expectations for Structural Deliverable 1 are provide in Appendix B.3) Structural Deliverable 2Prepare a conceptual design and basic annotated drawings for the vertical and lateral load bearing elements of the building (columns and walls). The design is to be completed using hand calculations. Computer Software programs such as Microsoft Excel is permitted to assist with repetitive calculations. However commercial design applications such as RAPT, RC Column, Strand? or Etabs are not to be used. The specific expectations for Structural Deliverable 2 are provide in Appendix C.Preliminary structural and architectural drawings are provided in Appendix A. Drawing A-0-02 should be the primary reference for dimensional information on the building. Where dimensional information is omitted, drawings may be scaled but are to be noted within the calculations. A CAD file of the floor plan is provided to assist with the preparation of the submission, however is to be used as reference only. Should any discrepancies be found, use provided dimensions in Appendix A.Appendix A – Concept DrawingsDrawing Number Drawing NameA-0-01 Level 1 to 7 Architectural General Arrangement PlanA-0-02 Level 8 Architectural General Arrangement PlanA-0-03 Architectural Building Elevations Sheet 1A-0-04 Architectural Building Elevations Sheet 2A-0-05 Architectural Building Elevations Sheet 3A-0-06 Architectural Building Elevations Sheet 4A-0-07 Architectural Building Elevations Sheet 5S-0-01 Level 1 to 7 Structural General Arrangement PlanAppendix B – Structural Deliverable 1 – Preliminary Slab DesignSpecific ExpectationsYou are required to undertake a preliminary design of a typical slab for the design project. If you make assumptions in the assignment, list assumptions and a concise reasoning for your choice.The submission consists of the following tasks:1. Determine Loads (5 marks)Calculate dead loads, live loads and super imposed dead loads. Prepare a loading plan showing the slab loading and provide a summary of all assumptions and calculations.For the purpose of this exercise, assume that the entire floor is to be used for general office space (IE assume there are no storage areas or compactus loading zones on the floor).Also assume that the fagade of the building is 16mm thick glass. Framing for the glass, along with horizontal and vertical fins can be ignored in calculating the facade dead loads.Ignore the weight of the enclosure to the plant room on the roof, assume the entire roof top plant is open to the air.2. Design Strips (North/South) (10 marks)On an A3 page, neatly draw column strips and middle strips in the North/South direction on plan for the whole floor plate. Neatly dimension column strip widths and shade column strip zones.3. Design Strips (East/West) (10 marks)On a separate A3 plan, neatly draw column strips and middle strips in the East/West direction on plan for the whole floor plate. Neatly dimension column strip widths and shade column strip zones.4. Support Conditions & BMD (25 marks)Draw the spans, supports and determine the loads for the following spans:a) The span/segments along Grid C between Grid 1 to 6; andb) The span/segments along Grid 2 between Grid A to G.Draw and calculate the ultimate Design Strip bending moment and shear force diagram on the frame labelling positive and negative moments for each direction separately.Hint:• Use of Spacegass or Microstran acceptable. Provide summary of input loads and output moments.• For calculation of bending moments in accordance with AS3600:2018 Clause 220.127.116.11, use an average uniform distributed design load per unit area for each span ensuring the total load remains the same.5. Detailed Slab Design (total 32 marks)a) For the strip on Grid 2 Between Grid A to G, determine the deflection on each span segment to AS3600-2018 Cl 9.4.4. Provide a diagram of deflected shape (assume G+0.4Q). Provide comments on the results and suitability to Australian Standards.(5 marks)b) Calculate column and middle strip bending moment diagram and shear force diagram to AS3600 for the two design strips in Question 4 above, draw your results and label critical locations (1.2G + 1.5Q).Hint: Use of Spacegass or Microstran acceptable. Provide summary of input loads and output moments.(12 marks)c) Calculate reinforcement in column and middle strip for the two design directions calculated in Questions 5b. Use N16 or N20 reinforcement.(15 marks)6. Reinforcement Layout (North/South & East/West) (20 marks)Mark on a new A3 plan the reinforcement layout for North/South and East/West reinforcement for the whole floor plate. Include:a) The reinforcement layout and extent for the entire slab based on the deem-to-conform requirements of AS3600-2018 for two-way flat slabs.b) Provide the reinforcement size and spacing for the column and middle strips calculated in item 5(c). Provide separate plans for top and bottom reinforcement.c) The GA plan and all relevant information are to be included for completeness.7. Improved Design Layout (3 marks)Provide an explanation of what factors affect concrete slab designs and provide suggestions for what could improve the slab design to the original layout (100 words max.)?Appendix C – Structural Deliverable 2 – Preliminary Building Frame DesignSpecific ExpectationsYou are required to undertake a preliminary design of the building frame of the design project. If you make assumptions in the assignment, list assumptions and a concise reasoning for your choice.The submission consists of two main tasks:Task 1 (Estimating (he Loads); (4S Marks)1. Calculation of External Forces (10 Marks):a. Dead Loads and Self Weight: You are required to establish an appropriate dead load self-weight and any additional loads for the building and provide a brief discussion and reasoning for your choice.b. Live Loads: You are required to establish an appropriate live load for the building and provide a brief discussion and reasoning for your choice.c. Wind Loads: Using Region B, TC – 2.0, importance level 2 (Cdyn, Ms, Mt=1.0). You are required to calculate the wind pressures on all surfaces of the building for when the wind is blowing from the North direction and West direction and calculate the total base overturning moments and base shear force, (internalpressure can be neglected for this assignment)d. Earthquake Loads: Using a sub-soil classification of Be, calculate the earthquake forces and the total base overturning moment and base shear force.e. Provide a Tabulated Summary of Earthquake and Wind Base Overturning moments and shear forces and provide comment on which force will govern the design?2. Load take down (12 Marks) You are required to draw and calculate the tributary areas to establish the load at ground level for the lift core (W5, W6, W7, W8, W9, W10) and east stair core (Wl, W2, W3, W4) and Column CIO and C15. The lift and stair/core walls are to be considered as separate walls for load take down purposes for gravity loads. You are to provide a summary table of your results for tributary loading area and un-factored dead and live loads for each element.3. Load accumulation and force diagrams (10 Marks):You are required to:1) Provide load accumulation force (Axial Load, Shear Force and Bending Moment) diagrams fora. Dead and live load for Column CIO and C15; andb. Dead load, live load and north and western direction wind loading for lift core (W5, W6, W7, W8, W9, W10) and east stair core (Wl, W2, W3, W4). For the purposes of wind load calculation you can ignore walls W9, W10, Wil, W16 and W17.hint: For North direction lateral loading, calculate load distribution of wind loads first [see Task 1 (5)].2) Provide a sketch plan summarising Column CIO, C15, the lift and east stair core at Ground Floor clearly noting the design forces for each element.8 of 9-r. Load combinations (5 Marks): You are required to list the load combinations that would be applicable for the ultimate and service design of the building for walls and columns.5. Load distribution (8 Marks): You are required to calculate and discuss/demonstrate how the lateral wind forces (North Direction only) are apportioned between structural elements. Calculate the percentage of load for each element with/without columns contributing to the lateral support. Tabulate the summary of your results (note the core wall is acting as one complete box for resisting lateral loads. Door openings may be ignored for this calculation)Task 2 (Preliminary Design): (50 Marks)1. Build Stability/Overturning (5 Marks): Establish, through calculation, if the structure alone (i.e. using solely its self-weight) is able to resist the external forces imparted on it. If not, discuss alternative solutions. Assess for West wind direction only.2. Preliminary Column designs design (10 Marks): You are required to define the maximum design load for column C15 and perform a preliminary design (through calculations) of the column under this maximum design load by defining an appropriate concrete strength, reinforcing layout and cover.3. Torsion resistance (8 Marks) – For wind from the north direction calculate the torsional design from taking the sum of the moments at the centre axis of the combined stiffnesses of the lift and stair cores. Determine the lateral load attributed to wall W7 and W8 required to resist torsion. Columns and walls W9, W10, Wil, W16 and W17 to be ignored for torsional resistance. Assume that Wall 8 is a continuous wall, without an opening for the lift lobby. (Hint: Calculate the percentage of load for each element at one floor, then the amount of load at the base from the total wind pressure for the height of the building).Wall design (17 Marks): You are required to define the maximum design loads for the lift/stair core and perform preliminary design (through calculations) of walls Wl, W2, W4, W5 and W10 to resist these maximum design loads by defining an appropriate concrete strength, reinforcing layout and cover. Your design is to comply with Australian Standards reinforcing requirements. (Note the lift core is to consider combinations of Torsion, Bending and Vertical loads, as appropriate). Columns to be ignored for lateral wind resistance in this part of the assignment. For simplicity, internal walls W3 can be ignored and the core can be analysed on the assumption that it is a monolithic box.4. Provide Basic Annotated drawings of your design for:a. Column C15 (Draw using a column schedule) andb. Core wall design (Draw a core wall elevation and section) (10 Marks).Further requirements:Presentation (596): You are required to present your assignment professionally and logical manner so it can be understood by a third party. You are required to have your thoughts and assumptions clearly articulated, so the document is worthy of being presented to a client. This is to include:1. Design report presenting all calculation and including a Table of Contents.2. All design drawings and sketches are to be bound separately to the calculation report and should to include a drawing transmittal.Marking CriteriaThe frame design will be assessed based on the following criteria:• Professional appearance (i.e. the information can be easily understood by a third party) of the calculations and sketches. Please note that near hand calculations and hand sketches are sufficient for this requirement. For the calculations, you only need to explain once what you are doing. The remainder of design can be a tabulation of critical design components.• Assignments are to be presented in the order of assignment questions only with no rearrangement of order.
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