Challenge 2

Aim:-  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:- Que (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)  Answer:-  Staad Model Dead Load reaction Maximum Y = 490.687 kN  ,    Minimum Y = 434.655    …

Aim:- Que (1):- Explain in detail about the open foundation Answer:- The 'open' refers to the fact that the foundations are made by first excavating all the earth till the bottom of the footing, and then constructing the footing. During the early stages of work, the entire footing is visible, and is, therefore, called…

Aim:- Que (1):- Provide the empirical formula for Pile Load.  Answer:- Piles transmit a load of a structure to competent sub-surface strata 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…

Aim:-  Que (1):- Explain the design codal provisions for pile cap of metro viaducts in detail. Answer:-  A reinforced concrete slab or block which interconnects a group of piles and acts as a medium to transmit the load from wall or column to the Piles is called a Pile Cap. The Pile cap should normally be rigid…

Aim:-  Que (1):- Explain in detail the steps involved in the calculation of the loads considered in piers. Answer:-  - Pier is the compression member of the bridge - They support the span ( superstructure) of the bridge by transferring the load to the foundation. - They are subjected to massive loads like …

Aim:- Que (1):- List factors of 4 loads for SLS G-I Combinations as per IRS. Answer:-  There are seven categories of load combination (G I, G II a, G II b, G II c, G II d, G III & G V) 'G' primarily stands for grouping where in G I we take all the normal Loading, this load is taken for designing the life…

Aim:-  Que (1): - Calculate the moment for the design of the pier cap considering reactions @ 250mm from the tip of the cantilever: D.L. (100kN), SIDL (80kN), & LL (120kN). The total length of the cantilever from the pier face is 4.5m. Consider an impact of 1.3 for live load.  Answer:-  Given Data:-…

Aim:-  1) Mention the need for a metro rail in a developing economy. Answer:-  'Metro Rail' is a commuter-friendly transport providing the traveling public with c a fast, safer, reliable, comfortable, pollution-free, affordable, convenient, and eco-friendly service. The high-capacity Metro Rail System would…

Aim:-  1) List the requirements for dimensioning of Elastomeric Bearing. Also, mention the notations: “a”, “b”, “ti”, “te”, “n” and “ts” a:- 420 mm b:- 420 mm ti:- 12 mm te:- 6 mm n:- 5 Nos ts:- 4 mm 2) Design an elastomeric bearing considering…

Aim:- Prepare and analyze a transverse model of the Deck slab with the following specifications. Given Data:-  Slab laid on top of 4 I-girders. Having supports spaced at 2.0m each. Having the following geometrical properties                    Thickness of slab…

Aim:- Prepare a longitudinal model of I-girder and analyze for all the loads with the following specifications Given Data:-  Grillage model of 4 I-girders with span length of 27.0m. Having supports at 0.700m from both ends. Having the following geometrical properties End Section:  Area = 1.218m2    …

Aim:-  Que (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? Answer:-  Following are the sectional properties that are considered upfront for designing a metro viaduct. Area of section…

Aim:- Que (1):- What are the structural components of a bridge? Explain in detail about the foundation, sub structure and super structure components of the bridge Answer:- Structural components of bride are categorized into three-part Superstructure The superstructure components of the bridge refer to the components that…

Aim - Que (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? Answer:- Developing countries like India are undertaking rail-based systems, especially the metro as a solution to solve the problems…

Aim:- Design pile foundation of an RCC slab bridge according to Given data. Introduction and Explanation   BASIC DESIGN DATA                     Span and Cross section       Unit             1 C/c of exp joint  …

Aim:- What is the difference between active and passive earth pressure? Design a well foundation for the pier. Calculate the steel in steining and kg/cumec for all other components of well foundation. Que 1) Difference between active and passive earth pressure? Active Earth Pressure Active state is developed when…

Aim:- Design the pile foundation in the abutment bridge. considering the 28-meter span. Vertical capacity-250 tonne horizontal capacity - 40 tonnes. With abutment having backfill With abutment having RE wall. Also List different components of pile foundation and calculate steel quantity in pile. Design of pile cap.  …

Aim :-  Que ) What all checks need to be followed in the design of well foundation regarding the stability and the design. List out all the necessary clauses from IRC codes applicable. Answer - Following are the steps which is considered for designing of well foundation regarding the stability and the design as per…

Aim: - To calculate the scour depth and fix span and type of foundation for linear waterway also to calculate the force which is acting on a bridge as per IRC 6. and what is zero shear and definition of liquefaction and its detail. Given Data:-  Linear waterway = 90 M Design discharge = 700 cumes Silt factor = 1 HFL…

Aim:- Calculate the loads as per IRC 6 on the pile group for the abutment & Listing all the components of the well foundation.   Given Data:-  Basic Design Detail Span and Cross section     Unit           1 C/c of exp joint   47.5 m 2 C/c of bearing   …

Aim:- 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. What are the different factors that can impact the number of piles and it,s depth? how it is different in wall type abutment. and pier (free and fixed)  …

Aim:- Analysis & Design raft foundation of a box culvert bridge having 12 M span and 5.5 M height in STAAD pro and applying loads as per IRC 6. Que 1) Calculate the loads to be applied on the box as per IRC 6. Given Data:-  The span of structure = 12 M Height of structure = 5..5 M Safe bearing capacity of soil…

Aim:- To analyze and design of box culvert raft foundation using STAAD.Pro software and loads considering from IRC 6 are dead load, earth pressure, live load surcharge, braking forces, and class 70R vehicle loading     Que 1. Summarize your study for the bending moment, shear force and deflection diagrams…

Aim:- Design Of Open Pier Foundation as per IRC 6, IRC 78 & IRC 112 1) Calculate loads manually acting on pier foundation and design as per IRC 6,78 and 112 Load is calculated using IRC 6 and design is done using IRC 112. All the given detail are mentioned below. Given Date:- BASIC DESIGN DATA Span and Cross section Data…

Aim :- Design of Abutment foundation as per IRC 6, IRC 78 and IRC 112 1. Design the abutment foundation as per IRC 6 loads. optimize the design as per irc 112. The load acting on abutment foundation are calculated by using servisiblity limit state and ultimate limit state criteria methods. And all are the following…

Quetion (1) :-  Type of loads applied on bridge as per IRC 6 1) Dead Load & SDl :- Dead Load is nothing but seft wt. of bridge element. there are many type of element which bridge have like. Deck, parapet wall, bitumen leying on deck, railing and other utility etc. 2) Live Load as Per IRC :-  Live Load on…

Question :-  1 ) How hydrology and geotechnical studies are used in fixing span and type of bridge. Hydrology studies we have to do for fixing span is :- We have to collect data hydrological data from the site like ( Stream flow data, Observed high flood level, ordinary flood level, Flow condition) Hydrogical detail…

Aim :- To Create Bridge Structure and Applying water current forces ,centrifugal forces, wave forces, snow loads, temperature loads, Barge Impact load on it and Perform analysis using STADD.Pro Software. Proedure -->   Step (1) :- Creating Model and assigning property to it. First Create a model in STAAD.Pro…

Project 1 :- To Create a Station model of Metro rail project which is located at Ahmedabad city and applying the dead load , IRS live loads , Earth pressure load , wind load and seismic loads to the structure and perform analysis using STAAD.Pro software. Given Data :-  The unit weight of soil as 18…

Aim :- To create truss bridge model and applying barge impact load on it and perform analysis using Staad.pro software. * Manual calculation * Given data :-  (W)   The Dead weight tonnage of Panamax vessel is 52500 DWT. (V)    = 60 km /hr -- 16.67 m/sec. (CH)  =1.25. (L)    Span…

Aim :- Calculate the temperature load for the RC bridge with M40 grade to be constructed in delhi and perform using STAAD.pro software. `**`Manual Calculation`**` 1) Maximum temperature in the loacation as per IRC 6 isotherm at the location = 47.5 degree. 2) Minimum temperature in the loacation as per IRC 6 isotherm at…

Aim :- Calculate the wave load on the bridge superstructure and perform analysis using STAAD.pro software. Manuall Calculation, Given, The maximum crest elevation for the wave = 3 M Storm elevation = 8.5 M I girder size, * Height = 1.7 M * Flange width = 2.5 M * Thickness = 0.5 M Span of the bridge…

Aim :- To Create 10 meter span bridge model and applying snow load on deck as per IS 875 part 4 and perform analysis by using STAAD.pro software. Mannual Calculation :- Given, Density of Settled snow = 3 kN/`m^3`. Depth of snow = 1.250 M. Flat deck, angle `beta` = 0 degree. Snow Load,  So  = Density of snow…

Aim :- To Create Steel truss bridge model and Applying seismic & pipe load on it and performing analysis using STAAD.pro software. * Manual Calculation of pipe load * Given - Widht of bridge is 3 M Lenght of bridge is 24 M NB DI pipe 700 mm Dia NB DI pipe 200 mm Dia Assumption for model - Height of the pier is…

Aim :- To Create 90 Meter Long spam Bridge Model and Applying Water Current Load On Pier as per IRC:6 and performing analysis using STAAD.Pro software. * Mannual Calculation of water current load acting on pier. Given Data :-  The high flood level is 2 m above the foundation level. The span of the bridge…