Structural Modelling using Etabs 2018

Ans: AIM: To design and analysis of G+3 hostel building in etabs and foundation in safe    Introduction:  In this project, participants will get to experience the entire design process from modelling, analysis, design, and preparation of construction drawings. The architectural drawings of a G+3 RCC building is provided.…

1.Model the isolated footing provided in week 11 challenge on SAFE. Analyze and design it to verify the size, depth and steel provided as per calculations. Ans: AIM:-  To model the isolated footing by using  SAFE and to analyze and to design it to verify the size, depth and calculation of steel provided INTRODUCTION:-…

Q. Design a square footing for a column size of 400x400. The compression axial load for the load combination of (1.5 DL + 1.5 LL) is 2000 KN. The safe soil bearing capacity is 150 KN/m2 at a depth of 2 metres below E.G.L. Participants are free to go for either a tapered or stepped footing. Besides the total axial load,…

Q.The architectural drawings for a G+7 residential building in zone 5 has been provided. The floor plan is the same for all 7 floor levels. Possible column positions have also been provided. Conceptualize a framing plan layout and then model the building in Etabs. The following architectural drawings have been provided:…

Q. The etabs file for a G+6 building is provided. Run the analysis and design the RCC shear walls (show in the etabs model). The following challenge deals specifically with the shear wall of size 300x1500 at grid A-11 in the structural model. Extract values of longitudinal steel ratio, boundary element length and…

Reinforcement detailing of columns in Etabs 2018. The ETABS file for a G+4 building is provided. Run the analysis and design the RCC Moment Resisting Frame. The following challenge deals specifically with two columns at the following grid intersections. 3A 3B Provide details of longitudinal reinforcement for the two columns,…

Q. Detailed design of concrete buildings -1 Detail design of beams in Etabs 2018.The ETABS file for a G+4 building is provided. Run the analysis and design the RCC Moment ResistingFrame. The following challenge deals specifically with two continuous beams in the 1st floor.         1) 3 span continuous…

Factors influencing the dynamic characteristics of a building :- Buildings oscillate during earthquake shaking. The oscillation causes inertia force to be induced in the building. The intensity and duration of oscillation, and the amount of inertia force induced in a building depend on features of buildings, called their…

Q. Challenge 6 – ETABS modelling of a 25 storey building 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…

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…

Q1.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 structure is symmetry in distribution…

Question 1: A 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 period of vibration (T1 = 2 seconds) and…

 1. Differentiate Static analysis and Dynamic analysis with proper representing pictures. Ans: Static Analysis:  Static analysis of structures considers static loads acting on the structure such as dead,live load which does not vary with time. In Static analysis the structure considered doesn't depend on time.…

Identificationof Crack Question 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. Ans: a) Observations: Concrete crushed and the reinforcement is exposed. Concrete spalled beyond the reinforcement…

1.  From the grillage model for I-Girder (Longitudinal Analysis of 3 X 25 Meter Prestressed I-Girder) modeled in project 1 extract the reaction and answer the following Question. Ans: Staad Model:- A three girder system of 3 x 25m is to be created . First of all a node is created and then the width of the deck slab…

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? Ans:  Following are the sectional properties we need to upfront for designing a metro viaduct: Area of section: 2.1735015659 m^2 Perimeter…

1. Explain in detail about open foundation Ans: Open/Shallow foundation-  The type of foundation in which the depth of foundation is less than or equal to the width of foundation is known as shallow foundation. Advantages- Comparatively economical. It's construction procedure is simple. Doesn't need expertise labour.…

1. Provide the empirical formula for Pile Load.  Ans: Piles transmits load of the structure to the surface/ grouns by the resistance developed from bearing at the toe or skin friction along the surface or both. The piles may be required to carry uplift and lateral loads besides the direct vertical load.   The…

1. Explain the design codal provisions for pile cap of metro viaducts in detail. Ans: Pile Cap Pile cap, which is a thick, square structure made of concrete that rests at top of the pile , provides the system’s foundation with stability. The Pile cap should normally be rigid so as to distribute the forces equally…

Q1)Explain in detail the steps involved in calculation of the loads considered in piers. Answer:- Pier is a component which basically carries compression member of the bridge or convert all types of load into direct compression & transfer it into the piles. Piers support the superstructure of the bridge by…

1.List factors of 4 loads for SLS G-I Combinations as per IRS. Ans. After calculating all types of loads, the loads has to be applied on to the structure. The value of bending moment, shear force etc is being calculated which are basically unfactored value.  The load combinations in SLS case is being applied as various…

1) Calculate the moment for design of pier cap considering reactions @ 250mm from tip of cantilever: D.L. (100kN), SIDL (80kN), & LL (120kN). Total length of the cantilever from the pier face is 4.5m. Consider an impact of 1.3 for live load.  Ans Data Given:- Dead Load= 100kN SIDL = 80kN Live Load = 120kN Length…

1.Mention the need for a metro rail in a developing economy. Ans A life-style marker: Metros provide a real alternative to unsustainable modes. For a similar level of service, urban rall attracts up to 20% additional passengers in comparison To other modes Metros contribute to high-quality place-making and stations are…

Aim and Introduction:- The aim of this challenge is to design the bearing from the data given above.determine the types of loads and forces acting on the abutment structure and to design with determining the detail reinforcement drawing for the abutment structure.  So first of all the details components as given has…

Ans. Aim and Introduction:- The aim of this challenge is to Prepare and analyse a transverse model of Deck slab in staad pro. with the given dimensions and specifications. So first of all the model will be created in Staad pro. by providing the reffered dimensions which is need to be analyzed. Staad Model: The first node…

Ans. Aim and Introduction:- The aim of this challenge is to create the model as per the given information and data. Then to analyse the structure for the results.ults with each other.  Staad Model:- A four girder system is to be created . First of all a node is created and then the width of the deck slab has been…

Q.What are the structural components of a bridge? Explain in detail about the foundation, sub structure and super structure components of the bridge. Ans:  The structural components of a bridge are: Superstructure: Consists of Parapet/Railing and Girders. Substructure: Consists of Bearing,Pier Cap,Pier and…

1.Why 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? Ans: Generally In a developing country the population of the country increases. So it causes hindrace in the city for communocating to places…

Ans Aim and Introduction:- The primary aim of this challenge is to arrive at optimum bearing articulation using two bearing and one bearing system. To model the bridge as per the given dimension and apply all the load combinations on it. Then to analyze the results. The substructure such as pier need to be checked by modelling…

Q. A portal frame has following details: Portal beam having length of 4m and cross section of 300mm x 600mm (depth) and portal columns have height of 3m and cross section 300mm x 300mm. 1. The portal beam has two Bearing locations 1m from either end. The load from each bearing is 75 kN. Calculate the support reactions…

Aim and Introduction:- The aim of this Project is to determine the types of loads and forces acting on the pier structure and to design with determining the detail reinforcement drawing for the pier structure by considering two conditions with various loading criteria. So first of all the details components, levels with…

Aim and Introduction:- The aim of this Project is to determine the types of loads and forces acting on the abutment structure and to design with determining the detail reinforcement drawing for the abutment structure by considering two conditions with various loading criteria. So first of all the details components, levels…

Q. Design raft foundation of a box bridge having dimensions “12” m span and “5.5” m height. (considering 1 m width) in stadd pro. Ans Aim of the project - To Analyze and design the raft foundation by applying earth pressure, self-weight, surcharge loading and 70R vehicle loading and calculating…

Q. 1. Summarize your study for the bending moment, shear force and deflection diagrams for the raft foundation in stadd and compare them with manual calculation for different set of loads. Fill of 1 m on top slab. 1) earth pressure 2) self-weight 3) Surcharge 4) 70R load Ans Aim of the challenge - To Analyze and design…

Aim and Introduction:- The aim of this challenge is to determine the types of loads and forces acting on the abutment structure and to design with determining the detail reinforcement drawing for the abutment structure by considering two conditions with various loading criteria. i.e. With abutment having backfill With…

Aim and Introduction :- The aim of this challenge is to define all checks need to be followed in design of well foundation regarding the stability and the design. To list out all the necessary clauses from IRC codes applicable. Again to define all the type of limits in ULS and SLS  for design of a RCC component.…

Aim and Introduction :- The aim of this challenge is to determine/calculate the scouring depth and fixing the span arrangement for the requirement of clear linear waterways. To propose the foundation of abutment and pier lform the given data. To calculate the forces on the foundation as per IRC-6.  So first of all…

Aim and Introduction :- The aim of this challenge is to determine/calculate the loads on the foundation for abutment from the givent GAD. The forces on the structure due to DL,SIDL,LL,Earth load is need to be detemined.  So first of all for calculating the DL the cross section is to be created in AUTOcad for determining…

1)How to fix no. of piles in the deep foundations in a flyover in  Delhi, listing all the loads acting on it and making all the  combinations as per IRC 6. Piles are the most preferred type of foundation for supporting the piers of overhead bridges. They offer greater resistance to vertical and horizontal actions…

Aim and Introduction:- The aim of this challenge is to determine the types of loads and forces acting on the pirer structure and to design with determining the detail reinforcement drawing for the pier structure by considering various loading criteria.  So first of all the details components, levels with sizes specified…

Aim and Introduction:- The aim of this challenge is to determine the types of loads and forces acting on the abutment structure and to design with determining the detail reinforcement drawing for the abutment structure.  So first of all the details components, levels with sizes specified from the given GAD. For designing…

1.How hydrology and geotechnical studies (preliminary and detail studies, zone of influence) are used in fixing span  as per IRC standards and type of bridge. Mention the clauses applicable for the same.Determine the scour depth at the pier and abutment. Ans. First of all before starting any work for bridge topographic…

1.Define all loads to be applied in the abutment of the bridge as per IRC 6 and mention the clauses. The type of loads to be applied in the abutment of any structure has been described below. These loads considered for shallow foundation. Dead loads: it includes weight of superstructure + (pier/abutment) + self weight…

1.What are different type of foundation in bridges and how selection of type is made. Foundation:- The lower most part of a structure which is in direct contact with the ground to transit all the type of loads is known as foundation.  Functions of foundations-  Distribute the load of strucure on larger areas…

Aim and Introduction- The aim of this challenge is to determine the impact on the structure due to application of loads like water current load, Centrifugal load, wave load, snow load, temprature load and barge impact load on the bridge structure  and to calculate the effect of the loads on the structure as various…

Aim and Introduction:- The aim of this challenge is to determine the impact on the structure due to application of loads like dead loads, live load due to metro train ,earth pressure load, wind load and seismic load for the bridge structure at Ahmedabad  and to calculate the effect of the loads on the structure as…

Aim and Introduction:- The aim of this challenge is to determine the forces on the structure due to application of barge load and to calculate the effect of the barge load on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the details components for calculating…

Aim and Introduction:- The aim of this challenge is to determine the forces on the structure due to application of temprature load and to calculate the effect of the temprature load on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the details components for…

Aim and Introduction:- The aim of this challenge is to determine the forces on the structure due to application of snow load and to calculate the effect of the snow load on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the details components for calculating…

Aim and Introduction:- The aim of this challenge is to calculate the impact of wave load on the structure and to calculate the effect on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the structure as per the given data is to be  modeled for calculating…

The 3D render view of the defined structure.Aim and Introduction:- The aim of this challenge is to calculate the centrifugal force on the structure and to calculate the effect on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the details components for calculating…

Aim and Introduction:- The aim of this challenge is to calculate the water current load of river on the structure and to evaluate types of load acting on the structure and to calculate the effect on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the details components…

Aim and Introduction:- The aim of this challenge is to calculate and evaluate the zone and the types of seismic load acting on the structure and to calculate the effect on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the details of the given pipe require for…

Aim and Introduction:- The aim of this challenge is to calculate and evaluate the zone and the types of wind load acting on the structure and to calculate the effect on the structure as various forces like shear force, bending moment etc using staad Pro.  So first of all the factors for the wind load is need to be…

Aim and Introduction:- The aim of this challenge is to calculate the effect of earth pressure on the abutment of a structure.  So the earth pressure is to be calculated first as per the given data and section dimenesion.  Then the model will be created in Staad pro. and the reactions due to the loading is being…

Aim and Introduction:- The aim of this challenge is to calculate all types of dead loads and live load coming on to it and to analyse the effect of the loading on the composite steel girder in staad Pro. So first of all the dead load is to be calculated from the given section and the live load is to be analyzed by diffrent…

Aim and Introduction:- The aim of this challenge is to calculate all types of dead loads and live loadd coming on to it and to analyse the effect of the loading on the T-Beam girder in staad Pro.  So first of all the dead load is to be calculated from the given section and the live load is to be analyzed by diffrent…

Aim and Introduction:- The aim of this challenge is to calculate all types of dead loads coming on to it and to analyse the effect of the loading on the box type gider in staad Pro.  So first of all the dead load is to be calculated from the given section with considering parapet wall on it. The DL is calculated as…