Conceptual design of a building with columns and shear walls

Aim: To carryout modelling, analysis, design, and preparation of construction drawings of a G+3 RCC building situated in Guwahati Assam.  Procedure: Initially open the Etabs software and then provide the grid and story information.   Next we need to define the material property.i.e concrete(M25) and rebar(Fe415…

Solution: Aim: To Analyze and design the isolated footing from week 11 challenge on SAFE and verify the size, depth and steel provided as per calculations.   STEP: 1 1.Open the SAFE Application and select New Model 2.Units was selected as Metric and Code IS 456-2000. Subgrade Modulus Calculation: Subgrade modulus=F.O.SXS.B.C/Settlement…

Solution: Aim: To design a square footing for a column of size 400x400 using some of the informations such as  The compression axial load for the load combination of (1.5 DL + 1.5 LL) = 2000 KN. The safe soil bearing capacity = 150 KN/m2 at a depth of 2 metres below E.G.L. Grade of concrete = M25 Then to perform the…

Solution: Aim: To conceptualize a framing plan layout and then model the given G+7 building situated in zone 5 in Etabs. To develop the structural model that comply with provisions of IS 1893 and IS 13920. To run the modal response spectrum analysis and to check analysis results of the etabs model for inter-storey…

Solution: Aim: To run the anlaysis and design the RCC Shear walls forv the giuven ETABS model. To extract the values of longitudinal steel ratio, boundary element length and shear reinforcing ratio from the design results. To provide the cross sectional steel arrangement of shear wall from its case up to terrace, in compliance…

Solution: Aim: To run the analysis and design the RCC moment resisting frame of the given ETABS file and to provide details of longitudinal reinforcement for the two columns (3A and 3B) from foundation level to terrace level. To sketch the column cross sectional & elevation details or draft it using AutoCAD software. To…

Solution:  Aim: To carryout the analysis of the given Etabs model and to design the RCC moment resisting frame. To provide the detailing of longitudinal and shear reinforcement for two continuous beams. To provide the reasons of failure of middle span along grid A. Introduction: In this challenge two beam detailing is…

  Solution: Aim: To model the buildings from A to K as per the details given below: To to carry out a comparative study of these buildings for seismic forces. In this project we need to find out the effects of various parameters on Natural period of the building as well as on the mode shapes of oscillations, details of…

Solution.1) Aim: To model a 25 storey building on ETABS with structural properties as specified below. Ground floor or plinth floor level can be taken at a height of 1.5 metres from the base. Each of the successive 25 storeys has a storey height of 3 metres. Structural Element Sizes  Beams : 300 × 400 mm …

Solution.1) Aim: To compare the three alternatives, taking into account the restraint of floor shrinkage, the lateral stiffness and the torsional one with respect to the vertical axis, the vertical reinforcement required for the same total flexural capacity at the base, the static eccentricity, the system’s redundancy,…

Solution.1) Aim: To comment on the layout of the framing plan concerning earthquake resistance in the two horizontal directions X or Y (dots are columns, lines depict beams). Look into aspects of symmetry, redundancy and bi-directional stiffness and ductility. Procedure: Observation of the framing plan with respect to…

Solution.1) Aim: To calculate Ln , Mn and Γn for each of the five modes and the effective modal mass Mn* and the modal mass participating ratio for the 5 modes using the equation given below: To obtain the base shear for each of the 5 modes of vibration and the combined base shear as per SRSS rule.  The pseudo acceleration…

Solution.1) Aim: To Compute lateral stiffness of the one story frame with an intermediate realistic stiffness of the beam. The system has 3 DOFs as shown. Assume L = 2h and Elb = Elc   Procedure: Result: Lateral Stiffness of the given one storey frame has been calculated = `(96EI_c)/(7h^3)` Solution.2) Aim: For the following…

Solution.1) Aim: To observe the given situations and comment on the mode of failures or damage and decide whether it is repairable or not. Procedure: IMAGES OBSERVATIONS COMMENTS We can see the reiforcement is exposed as concrete cover has been crushed. Concrete Spalled beyond the reinforcement may be caused due to…

Aim: To model and design a Proposed PEB Warehouse using STAAD.Pro with following Technical specification. Procedure: Plan view, elevation views of the PEB is shown below. Now, we have to model the PEB frame in STAAD.PRO as per the given drawings.  The modelled PEB in STAAD.PRO is shown in the below figure.   Section properties…

Aim:Main frame with Lean (Grid-2) & Gable frame without Lean (Grid-15) of Proposed Coil center is to be modeled and designed with given data. Procedure: As per the attached CAD file, Proposed Coil Center Sectional View is as shown in below figure. Now,Model is prepared in Staad Pro with given data and plan as shown…

Solution.1) Aim: We need to design Isolated Footing Design using STAAD Foundation for the given data:- Size of column : 300 mmx 450 mm Axial load :            1500 KN Moment `M_u` :    150 KNm ( Reversible) SBC of soil     :        200 KN/`m^2`…

Solution.1) Aim : A pipe carrying LNG rests on the shoe having vertical force of 125 kN. Friction load on the axis and friction force are required to be determined if there is TEFLON pad between shoe and pipe support. Procedure : Friction factor/Coefficient and friction load on piping: Materials Friction Factor Steel…

Solution.1) Aim: To calculate the total number of purlins and girts required for the building with following inputs: Rafter span = 50 m Bay spacing = 8 m Roof slope = 1 in 10 Height of column = 12 m Brick wall height = 2 m Purlin spacing = 1.2 m Girt spacing = 1.5 m Procedure:  Determination of Number of Purin:…

Solution.1) Aim: To design a 3 hinged pitched roof frame of a steel building. Given: Assume no wind load acting on the walls and roof. Analyse the frame structure and draw bending moment, shear force and axial force diagrams of the frame. The slope of the roof is 1 in 10 and the roof is accessible for maintenance…

Solution.1) Aim: To apply the load for the structure modelled in previous exercise. Form a Load case as DL for Dead Load Apply Self weight Apply member load of 3 kN/m on the rafter Apply member load of 6 kN/m on the secondary beams Apply point load of 20 kN at node intersecting inclined member on the top chord. Form…

Solution.: Aim: To draw the load path and identify the Axial force type in different type of bracing system below to resist horizontal shear & gravity load. Also state the type of bracing system Procedure: First Bracing System: Load Path: Load Transfer is happening through Beams and Bracings. Second Bracing System:…

Solution.1) Aim: To Model a Structure in Staad for given details. Bay spacing 5 m Span of Truss 30 m Shape of Truss – Pratt Truss Slope of truss 20 degree Height of the column 15 m Floor Beams at 5 m from base Secondary beams at 1.5 c/c Length of the building 50 m Column Supporting Floor Beam @ 6 m c/c Along the…

Solution.1) Aim: To check the adequacy of Plate Girder so that it can carry a factored shear force of 1000 kN. Given:  Size of Plate Girder 1200 x 300 x 25 x 10 Yield Strength of Plate (`f_y`) = 250 MPa Factored Shear Force = 1000 kN. Procedure: Result: Since, the Web Shear Force carying capacity corresponding…

Solution.1) Aim: To classify the given sections as Plastic, Compact, Semi- Compact or Slender. Procedure: Result: Hence, the Setions are classified as Plastic, Compact, Semi-Compact or Slender as per IS 800:2007. Solution.2) Aim: To find the effective length of the Rafter madeup of Built-up I section.                  …

Solution.1) Aim: To determine the effective length factor for the given cases. Height of column is 10 m and it is effectively restrained in mid height in one direction (in Z direction) but free to move in other direction (Y direction). Bottom of column is Fixed and top of column is Free. Procedure: Result: Effective length…

Solution.1) Aim: To determine the net sectional area of the given Plates and Angles. Procedure:    Result: Hence, the net sectional area for the following three cases are obtained successfully and are as:   NET SECTIONAL AREA = 2064 `mm^2` NET SECTIONAL AREA = 2189 `mm^2` NET SECTIONAL AREA = 2808 `mm^2`…

Solution.1)  Aim: To find out the most efficient truss out of the given two, to carry the gravity loads. Explanation:  If we observe the given types of trusses, we find that the Truss A is "Pratt Truss" and Truss B is "Howe Truss".   Pratt Truss - In Pratt Truss, the diagonal members are arranged so…

Solution.1)  Aim: Use the Architecture/ Structure Project file developed by you in Week 6 to 8. Export the Revit architecture and structure model to Navisworks Cache file following the export settings discussed in class. Procedure: If using Naviswork for the first time, one need to download Naviswork 3D Viewer…

Solution.1)  Aim: Using Dynamo create a set of sinusoidal points and create a curve and create a surface out of the curve. Procedure: Open a new Archtectural File. Go to Manage tab and select Dynamo Option.           Dynamo screen will open-up, Select a New File.      …

Solution.1)  Aim: To give the shortcut key for the following commands:            a. Using 3D model create a section box           b. To create similar doors and windows in a floor plan layout           c. To reduce the thickness…

Solution.1) HVAC stands for Heating, Ventilation and Air Conditioning. HVAC systems are responsible for the regulation of heat, airflow, ventilation, and air conditioning of an entire building. These systems may use fresh air from external surroundings to regulate temperature and humidity. The key components…

Solution.1) Aim: To select any one of the structures for designing out of the following: Multi-Unit Residential Apartment  Office Building School Result: From the given options, I choose a Multi-Unit Residential Apartment with the floor plan shown below.                  …

Solution.1)  Aim: To open an architectural template and then use the Manage tab to set the project base point and project shared coordinates for the project. Procedure:  Open a new Architectural Template in Revit. Save the file to the appropriate folder on your local computer. Go to Architectural Tab, select…

Solution.1) Building Codes are a set of rules that specifies the minimum standards for design, construction, quality of material to be used, use and occupancy of the building, safety and maintenance of various types of building. In India, it is called as National Building Code of India (Latest 2016 Version), developed…

Solution.1) Aim: To provide a ceiling using options from the architecture tab above the walls at the first-floor level. Procedure: Open the project from the local computer in Revit. In the project browser panel, open the First Floor level of your project under Ceiliing plan.              …

Solution.1: Aim: To create a floor using options from the Architecture tab and modify the properties like floor material and floor thickness. Procedure:  Open the floor plan that we created last week. Go to Architecture Menu, then select the floor option from there.              …

Solution.1: BIM stands for Building Information Modelling. BIM is basically a process of adding information to the modelling by collabrating with people of different domain like Architectural, Mechanical, Structural Engineers through a common cloud platform called Common Data Environment (CDE) for sharing information which…

Solution.1) Aim: To create a new project (Structural / Architectural / Construction template) and name the project appropriately. Procedure: Open Revit Software either by double clicking the Icon on Desktop or By searching it in Start Menu. On the first screen visible after opening Revit, there will be ‘New’…