What are the advantages and disadvantages of steel as a structural material?
[3 marks]Why is a reduction of live loads done for the columns of multistory structures?
[4 marks]Derive the Resultant force in Bolted Bracket Connection Type Iwith neat sketches.
[7 marks]Enlist various types of trusses used for truss girders.
[3 marks]Explain Lateral load due to Wind and Seismic as per I.S. Standard.
[4 marks]Afixed ended beam is subjected to load Wat 1/3rd span as shown in Fig. 1. Evaluate the collapse load. Fig.1
[7 marks]Calculate the collapse load for a propped cantilever subjected to a uniformly distributed load w/unit length, as shown in Fig. 2. Fig.
[2 marks]Identify the three regions of idealised stress–strain curve of mild steel. Which of these regions is (are) used for limit state design?
[3 marks]Explain the design procedure of Plate Girder.
[4 marks]Design a bracket connection to transfer an end reaction of 225 kN due to factored loads as shown in Fig. 3. The end reaction from the girder acts at an eccentricity of 300 mm from the face of the column flange. Design bolted joint connecting the Tee-flange with the column flange.1 Steel is of grade Fe 410 and bolts of grade 4.6. Fig.
[3 marks]Differentiate between surge load and drag load as applied to gantry girders carrying cranes.
[3 marks]Under what circumstances are stiffeners provided?
[4 marks]Explain the design procedure for design of Gantry Girder?
[7 marks]What are external and internal wind pressure co-efficient. Give codal provision for internal wind pressure co-efficient for a building.
[3 marks]Why are end posts required in plate girders?
[4 marks]Calculate the shape factor for equilateral triangle having base width ‘b’ and height ‘h’.
[7 marks]What are the components of Truss Girder Bridges?
[3 marks]Calculate shape factor and plastic moment capacity of an ISMB 400 about y-y axis.
[4 marks]Calculate the shape factor and plastic moment capacity of a tee section with a 100 X 12mm flange and 180 X 10mm web. Assume f =250 MPa. y
[7 marks]What is a difference between beam and plate girder?
[3 marks]Explain tension field theory method to calculate nominal shear strength of plate girder.
[4 marks]Design a cross beam for steel foot bridge for the following data: Type of truss: warren type, Span: 21 m , Width of walk way: 4 m, Panel length = 3m, Flooring = RCC slab 125 mm thick. Live Load: 5 kN/m2 & Floor Finish: 1.5kN/m2. Assume self-weight of cross beam = 0.8 kN/m. Also carry out required checks.
[7 marks]Distinguish between elastic modulus and plastic modulus.
[3 marks]Explain the following connections with neat sketches: beam to beam web angle connection, beam to column flange seat angle connection
[4 marks]Calculate the design wind pressure and design forces on the hoarding m long and 5m high (as shown in Fig. 4), to be fixed at the roof of a 24m high building in densely populated area of Ahmadabad. The base of the hoarding board is 2.0m above the roof level.2 Fig.
[4 marks]