Challenge 12

Prepare a model of 3 x 25m prestressed I-girder superstructure for metro viaduct in STAAD by creating the nodes, beams, and supports along with necessary loads. Staad ModelDead Load reaction,Maximum Y = 490.687 kN  ,    Minimum Y = 434.655, Y= 51 T, Rotation = 0.004 radSIDL reaction,Maximum…

Question 1:The building shown, 20 × 35 m in plan, has columns on a 5 × 5 m grid and shear walls (with dimensions shown in m, 250 mm in thickness) in three alternative arrangements, (a), (b), (c), all with the same total cross-sectional area of the shear walls. Compare the three alternatives, taking into account the restraint…

Question 1: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.Ans:Symmertry:It is observed that the distribution of mass,stiffness…

UNDERSTANDING THE CONCEPT OF DEGREE OF FREEDOM :   QUESTION : 1A five storey structure with 5 translational DOF is shown here. Each storey has mass ‘m’. The eigenvalue problem has been solved and the 5 periods of vibration Tn and their corresponding mode shapes, φn has been derived.The fundamental…

1.Differentiate Static analysis and Dynamic analysis with proper representing pictures Answer:Static analysis:Static analysis and dynamic analysis are two distinct approaches used in software testing and security to evaluate the quality and security of a software system.Static analysis refers to the evaluation of…

Identification of Cracks 1) What is the mode of failure or damage of the beams in the figure above? Would you characterize the case as damage or as a failure? Are the damages repairable? Elaborate.a)             This crack will be formed due to the flexural failure of a beam.…

1.Describe the DL & SIDL considerations for an open foundation.Soln :DL (Dead Load) and SIDL (Superimposed Dead Load) considerations are important aspects in the analysis and design of structures, including those with open foundations. Here's a description of these considerations in the context of an open foundation:Dead…

1. Mention the need for a metro rail in a developing economy. Ans:-A metro rail system can play a crucial role in the development of an economy, particularly in a developing country. Here are several key reasons why a metro rail system is often needed in such an economy:Efficient and Reliable Transportation: A metro…

1. Briefly describe about soil structure interaction in a pile foundation?Answer:Soil-structure interaction (SSI) refers to the complex interaction between the foundation of a structure (such as a pile foundation) and the soil on which it is built. In pile foundation design, SSI is an important consideration, as it can…

1. Explain how the pile caps should be designed considering the tilt and shift conditions and mention advantages of the same?Answer:Pile caps are reinforced concrete structures that distribute the load of a group of piles to the underlying soil. In some cases, the piles may experience tilt or shift due to soil settlement…

Explain the dead load calculations of a pier cap and a circular pier? Provide the values in KN/m.Inputs:Length=30mVolume of Pier cap=35 m3Diameter of the pier = 2mConcrete density = 25KN/m3Answer:Dead load is the weight of the structure and any permanent components, such as the pier cap and circular pier, and it is an…

1.What are piers and explain about. Explain loads considered for calculating the total design force?Piers are structural elements typically used in construction to support loads from a bridge, building, or other elevated structure. They are vertical or near-vertical columns or posts that transfer the weight of the…

1.What are Pier caps and explain the operations of launching of pier capsPier caps are structural elements used in bridge construction and other civil engineering projects to provide support and load distribution at the tops of piers or columns. They are typically made of reinforced concrete or other…

1. What is elastomeric bearings? And what is made of and the uses of them.Elastomeric bearings are structural components designed to provide flexibility and movement in buildings and infrastructure, particularly in response to dynamic forces like seismic activity, temperature fluctuations, and other forms of motion. These…

1.Explain the procedure of transverse analysis of deck slab of a metro viaduct.Transverse analysis of a deck slab in a metro viaduct involves evaluating the structural integrity and performance of the horizontal slab that forms the top surface of the viaduct. This analysis is crucial to ensure the safety, durability, and…

What is a pre stressed I girder? Why should a designer choose I girders when we are having double deck bridges and substantiate your answer with structural clearances?Ans:-A pre stressed I girder is a type of structural member commonly used in bridge construction. It consists of steel or concrete beam in the…

1)What are the sectional properties we need upfront for designing a metro viaduct? What is the supporting software for identifying the sectional properties and designing them?Designing a metro viaduct involves a detailed structural analysis to ensure the safety, stability, and functionality of the structure. Sectional…

Question 1:-What are the structural components of a bridge? Explain in detail about the foundation, sub structure and super structure components of the bridge? Anwser:-A bridge is a complex structure built to span physical obstacles such as bodies of water, valleys, or roads, and provide passage…

Question:1Why is a metro rail needed in countries with developing economy? What is your basic understanding on the differences between a conventional rail system and a metro rail system?Answer: Title: The Relevance of Metro Rail Systems in Economies Under DevelopmentIntroduction:In countries with developing economies,…

AIM:- To set up model for RC Building design base on the parameters for cover. PROCEDURE : Firstly we have to open new file in TEKLA software using new icon present in file tab. Now let us select the settings icon from the home tab. After selecting the settings icon a dialog box appears then let us modify settings according…

Generate manual wind loading in the design report based IS code as per the following input Basic wind speed = 39m/s Terrain category 2 A) AIM: TO GENERATE MANUAL WIND LOADING IN THE DESIGN REPORT BASED ON IS CODE AND MENTIONED INPUTS. TOOLS/APPARATUS REQUIRED: EXCEL IS CODEBOOK(875 P3) DIMENSION CALCULATOR property window(…

1. Calculate dead load in design report based on IS code and apply dead load on the model Finishes of 50mm Slab as per design Brickwall 150mm thickness Roofing load based on purlin size Ceiling loading 0f 0.3KN per sq m AIM : To calculate dead load in design report based on IS code and apply dead load on the model TOOLS…

1.Create beam properties for First floor and model the beams. Ans) Aim: To create beam properties for First floor and model the beams. Tools Required: -> Levels -> Manage Properties -> New -> Members -> Steel Beam. -> Grids -> Beams -> Properties tab. -> Validate Procedure: • Firstly…

Aim: Create column properties for different types of pedestal members and model in the grids created as per the assignment 1 Create column properties for steel columns and model columns in the grid created as per assignment 1. Create beam properties and model primary and secondary beams on the ground floor PROCEDURE:-…

AIM: To Explain about the access and the usage of the following: Project Workspace Scene Content Create two scene views Loading drop list   Properties windows (a) Project Workspace: The Project Workspace is a  control in the project. The Project Workspace appears in  the project window. The…