Week 10 Challenge

Aim: To Design a Cantilever retaining wall per the given specifications in a detailed manner and To brief parameters influencing borehole location and its depth of exploration in case of shallow foundation, parameters obtained from geotechnical investigation for foundation design and To list different types of soil/rock,…

Aim:  To briefly explain the concepts of foundation of the bridge with appropriate drawings and codal references.  Introduction:  The bridge foundation is a critical element of any bridge since they maintain the stability of structure against all the impending design loads such as Dead load, Live load which…

Aim:    To calculate the Water current load, Centrifugal loads, Wave load, wind load, Snow load, Temperature load and Barge impact loads for the bridge structure shown in the figure.    Given:    The span of the bridge = 10 m The Width of the carriage way = 9 m  The size of the Pier =…

Aim:   To calculate the Barge Impact load of the Panamax vessel on the bridge shown in the figure.   Given:   Dead-weight = 52500 Tonnes Capacity of ship = 4500 containers Container = 6.1 TEU ( Twenty-foot equivalent unit) Speed of the barge = 60 km/hr Width of barrage = 32m Length of barrage = 294m …

Aim: To calculate the temperature loads acting on the bridge and to design and apply it in Stadd Pro. model and analyse.    Given:  The span of the bridge = 9m. The Width and Depth of the Box girder = 1500 mm.  The thickness of web of box girder =  300 mm. The diameter of the circular pier…

Aim: To calculate the snow loads accumulated in the bridge and to apply it in Stadd Pro. model, design and analyse.    Given:  The span of the bridge = 10m. The type of snow = Settled snow.  The deck of the bridge is flat with ß <30°.  The depth of accumulation of snow = 1250 mm. …

Aim:    To calculate the wave load acting on the given bridge and to apply and analyse in the Stadd Pro.    Given:    Maximum crest elevation = 3m Height of I girder = 1.7m Width of top and bottom flange = 2.5m The thickness of top, bottom flange and web = 0.5m Span…

Aim:    To calculate the centrifugal load of the given bridge for the following load data and to apply and analyse it in Stadd Pro. Given:    Span of the bridge = 12m Width of the carriage way = 7m Live load class according to IRC = Class 70R tracked vehicle The design speed of the vehicles = 75 km/hr…

Aim:  To calculate the water current forces for the bridge shown in the figure.   Given:  The high flood level is 2 m above the foundation level. The span of the bridge is 45m.  The mean velocity of the river is 3 m/s.  The diameter of the pier is 1065 mm. Assume the Uniform pier height as 6m.…

AIM: To calculate the dead load, IRS live loads, Earth pressure load, wind load and seismic loads for the bridge structure at the Ahmedabad Metro rail project shown in the figure.    INTRODUCTION: The bridge structure is an underground metro rail station located in Ahmedabad. To this bridge, the following…

Aim:  To Calculate the Pipe loads for the bridge shown in the figure and to analyse it in Stadd Pro.   Given: The bridge is located on the banks of the river Narmada Diameter of pipes = 700mm and 200mm  Class of pipe = NB Ductile Iron  The Length of the bridge = 24m The width of the bridge = 3m…

Aim: To calculate the design wind loads for the given bridge located at Mumbai and to be designed in Stadd Pro.   Given:  Height of the bridge = 9m Located in Mumbai in open terrain with well-scattered obstructions of height less than 10m. Size of the Pier = 1.5m x 1.5m   Procedure:   Step 1: Basic…

Aim:  To calculate the Earthpressure acting on the abutṁent wall and apply it on STADD Pro.   Given: Abutment wall height = 5m Backfill soil height = 7m Ground level = 3m The thickness of foundation = 1m   Procedure: Step 1: To find the Earth pressure of backfill and ground-level soil on either side…

Aim:    To model and analyse by applying the IRS railway loads in Staad pro of an I girder bridge for the given specifications.   Given:   Width of the bridge deck is 26 m,  Span of the bridge is 25 m, Pier size is 2.3 m in diameter, Pier height is 10 m in diameter.   Procedure:   Step…

Aim:  To apply the IRC live loads in the model in Stadd Pro and perform structural analysis for the given data.   Given: Width of the bridge deck is 7m,  Span of the bridge is 24m, Pier size is 2 m diameter, The seismic zone is Zone III, Wind speed is 42 km/hr, Unit weight of soil is 18 kN/m3.   Procedure:…

Aim: 1. To Calculate the Dead loads on a bridge located in a Seismic Zone IV, 2. To apply it in Staad pro and perform structural analysis for the following data. Given data: Location of the Bridge = Since the site is located in Seismic Zone 4, According to the given data the site is located within a 60 km radius which…