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  • Q1:Determine the maximum factored bending moment and shear force for G1, G2, B1 and B2 and the maximum axial load for column C1 identified in the figure below and provided structural drawing based on the original design loads. Calculate the respective values for load cases 1, 2 and 3 and show in a summary table. Show the bending moment and shear force diagram for B1 and G1. Provide a drawing showing the tributary area of all five considered members See Answer
  • Q2: INNOVATION الـكـويـت • جامعة جامعة الكويت) KUWAIT UNIVERSITY التميـز Student Name: Student Number: KUWAIT UNIVERSITY, COLLEGE OF ENGINEERING, DEPARTMENT OF CIVIL ENGINEERING Date of submission: CE 371 Structural Analysis 2 Fall Semester 2022 Project Analysis of a Multi-story Building (Assigned: 7 December 2022, Due: 14 December 2022) NOTES and Submission Guidelines: i. Assume any data that is not provided in the design brief. Clearly state your assumption(s) and provide a reference. ii. Neat sketches drawn by a straight edge are required for all computations. iii. Include instructor's brief for the submission before your solution. iv. Students are allowed to discuss the project with each other. However, copying from others is strictly prohibited and will result in zero credit for both students. Design Brief: Refer to the plan and elevation of the reinforced concrete building on page 3. The homework will address gravity load computations on selected major structural components of the building. Use ASCE7 for values of dead, live and wind loads. Information on floor dead and live load is as follows: 2nd floor: The floor consists of 125 mm thick reinforced slab and a 38 mm thick terrazzo finish directly laid on slab. 2nd floor is used as retail shops. 3rd floor: The floor consists of 150 mm thick reinforced concrete slab with no topping. This floor is used as a parking garage for cars. Roof: Roof consists of 125 mm thick reinforced concrete slab and 52 mm thick rigid insulation. Live load on roof can be taken as 1.25 kN/m². Ceiling: Suspended steel channel system plus mechanical ducts on 2nd and 3rd floor. Mechanical ducts only suspended from roof. Façade: Along Lines 4 and D: 200 mm medium density (19.5 kN/m³) hollow CMU blocks grouted at 1200 mm on center for full height. CMU blocks are plastered on both faces. Along Lines 1 and A: Glass curtain wall with weight = 0.9 kN/m² for full height. Member Sizes: Beams along N-S direction: 400 mm deep x 200 mm wide Girders along E-W direction: 500 mm deep x 250 mm wide Columns: 200 mm x 300 mm 2 4 3 2 1 7 m 7 m 7m A Roof Elev. 10.0 m 3rd Elev. 6.5 m 2nd Elev. 3.5 m 1st Elev. 0.0 m 1 9 m B 2 PLAN 9 m ELEVATION 3 3 с 9 m D CE 371: Structural Analysis 2 Project Part 1: Gravity Load Computations & STAAD Model Assigned: 7 December 2022 Due: 14 December 2022 4 Total Points: 100 Q.1: Compute dead and live load on beam 2-3 along grid line B at all floors. Q.2: Compute dead and live load on beam BC along grid line 3 at all floors. Q.3: Compute weight of façade along lines 1 and D. Q.4: Model the building in STAAD. Apply dead and live loads on beams only as computed in Q.1. For exterior beams, loads will be a halved due to lesser tributary width. However, façade, loads will be applied from Q.3. Apply all loads as separate load cases and then combine in one load combination without any load factors. 5See Answer
  • Q3:Project Statement You are asked to design a workshop occupying an area of 30m by 7m and of hight 4m. You are giving the choice to use the material you want. The workshop will have anything structural system such as columns, foundation and beams as well as slab. Here is some hint to address this problem. 1- Need to skitch the plan of the workshop identifying the location and the spacing of the column foundation and the column. 2- You need to identify the properties and strength of the materials 3- You would need to do analysis of the framing system which is of course highly statically indeterminate./nSee Answer
  • Q4: The following step-by-step procedure can be used to take advantage of structural symmetry in the analysis of structures. 1. Check the given structure for symmetry, as discussed in Sec- tion 10.1. If the structure is found to be symmetric, then proceed to step 2. Otherwise, end the analysis at this stage. 2. Select a substructure (half the structure) on either side of the axis of symmetry for analysis. The cross-sectional areas and moments of inertia of the members of the substructure, which are located along the axis of symmetry, should be reduced by half, whereas full values of these properties should be used for all other members. 3. Decompose the given loading into symmetric and antisym- metric components with respect to the axis of symmetry of the structure by using the procedure described in Section 10.2. 4. Determine the response of the structure due to the symmetric loading component as follows: a. At each joint and end of the substructure, which is located at the axis of symmetry, apply restraints to prevent rotation and deflection perpendicular to the axis of symmetry. If there is a hinge at such a joint or end, then only the deflection, but not rotation, should be restrained at that joint or end. b. Apply the symmetric component of loading on the sub- structure with the magnitudes of the concentrated loads at the axis of symmetry reduced by half. c. d. Analyze the substructure to determine its response. Obtain the symmetric response of the complete structure by reflecting the response of the substructure to the other side of the axis of symmetry. 5. Determine the response of the structure due to the antisym- metric loading component as follows: a. At each joint and end of the substructure located at the axis of symmetry, apply a restraint to prevent deflection in the direction of the axis of symmetry. In the case of trusses, the axial forces in members located along the axis of symmetry will be zero. Remove such members from the substructure. b. Apply the antisymmetric component of loading on the sub- structure with the magnitudes of the loads and couples, ap- plied at the axis of symmetry, reduced by half. Analyze the substructure to determine its response. Obtain the antisymmetric response of the complete structure by reflecting the negative of the response of the substructure to the other side of the axis of symmetry. c. d. 6. Determine the total response of the structure due to the given loading by superimposing the symmetric and antisymmetric re- sponses obtained in steps 4 and 5, respectively. The foregoing procedure can be applied to statically determinate as well as indeterminate symmetric structures. It will become obvious in subsequent chapters that the utilization of structural symmetry consid- erably reduces the computational effort required in the analysis of stat- ically indeterminate structures./n 7. Input STAAD SPACE START JOB INFORMATION ENGINEER DATE 27-Mar-22 END JOB INFORMATION INPUT WIDTH 79 UNIT FEET KIP JOINT COORDINATES 1000; 2096 0; 3 30 96 0; 4 30 0 0; 5 60 0 0; 6 60 96 0; 70 72 0; 8 30 72 0; 9 60 72 0; 10 0 48 0; 11 30 48 0; 12 60 48 0; 13 0 24 0; 14 30 24 0; 15 60 24 0; MEMBER INCIDENCES 11 13; 22 3; 3 3 8; 4 5 15; 5 6 3; 672; 78 11; 87 8; 996; 10 8 9; 11 10 7; 12 11 14; 13 10 11; 14 12 9; 15 11 12; 16 13 10; 17 14 4; 18 13 14; 19 15 12; 20 14 15; START USER TABLE TABLE 1 UNIT INCHES KIP PRISMATIC 1 30 2000 2000 2000 30 30 0 0 END UNIT INCHES KIP DEFINE MATERIAL START ISOTROPIC STEEL E 29000 POISSON 0.3 DENSITY 0.000283 ALPHA 6.5e-006 DAMP 0.03 TYPE STEEL STRENGTH FY 36 FU 58 RY 1.5 RT 1.2 END DEFINE MATERIAL MEMBER PROPERTY 1 TO 20 UPTABLE 1 1 CONSTANTS MATERIAL STEEL ALL UNIT FEET KIP SUPPORTS 145 FIXED UNIT INCHES KIP LOAD 1 LOADTYPE Dead TITLE LOAD CASE 1 JOINT LOAD 2 FX 25 7 FX 20/n Q; Analyse the shown structure using Symmetry and antisymmetry to det. Supports reactions and draw axial, Shear, moment diagram. lok 20k 20k J D A 2 12/1 31/1 3k/1 30 It 710 B * E = 29,000 kesi A = 30 in ² I = 2000 in 4 301 L FI AL TIM e * 24 24 24 model 1: analyze the entire structure Support reactions, axial, Shear, moment diagram. 2- analyze the structure as symetry and antisymetry at loading. symetry + anti symetric = Full structurey 3. Compare results from ) and (2)See Answer
  • Q5:Determine the maximum factored bending moment and shear force for G1, G2, B1 and B2 and the maximum axial load for column C1 identified in the figure below and provided structural drawing based on the original design loads. Calculate the respective values for load cases 1, 2 and 3 and show in a summary table. Show the bending moment and shear force diagram for B1 and G1. Provide a drawing showing the tributary area of all five considered members See Answer

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