For the simple span bridge superstructure shown below, determine:the superimposed dead load DC for the parapets and DW for the wearing surface applied to eachprestress concrete box beam.the maximum moment due to superimposed dead load DC for the parapets and DW for thewearing surface applied to each prestress concrete box beam.Assume that the deck consists of a 225 mm think structural Portland cement concrete including a 13mm-thick bituminous wearing surface. Use the following data for material weight:Wbox beam = 11.4 kN/mYconc = 22.8 kN/m³Yasphalt = 22.0 kN/m³The parapet weight may be evenly distributed among the five beams. Note also that you are notrequired to include live load. 12 mAASHTO Type II-48+1m+2.5 m +2.5 m +2.5 m– +2.5 m+1m+(a) Bridge cross section375 mm275 mm(b) Parapet cross sectionF1150 mm–250 mm225 mm 13 mm

Simple span bridges connect two supports and can be linked together to form a longer span.…

Answered: For the simple span bridge…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The concrete column is reinforced using four steelreinforcing rods, each having a diameter of 25 mm.Determine the stress in the concrete and the steel if thecolumn is subjected to an axialload of 1200 kN. Est = 200 GPa,Ec = 25 GPa.
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INELASTIC BENDING OF SINGLY REINFORCED CONCRETE BEAM SECTION *A trapezoidal concrete beam is casted with a compressive strength of about 20 MPa. The beam is reinforced with 3- 32 mm diamater bars in the tension zone with a yield strength of 275 MPa. The bar is located 100 mm from the bottom. Determine the nominal bending strength. Assume that the beam is symmetrical about the vertical axis with a depth of 600 mm, a top width of 500 mm, and a bottom width of 200 mm.
SITUATION A: The floor system shown has the following applied loads. Super Imposed Dead Load = 2.00 kPa Live Load = 1.90 kPa Slab Thickness = 100.00 mm Weight of Concrete = 24 kN/m3 Self-Weight of the beam = 1.92 kN/m Material Specifications: f’c = 21.00 MPa fy = 345.00 MPa Steel Cover = 50.00 mm What is the maximum positive moment of beam BE, acting on the midspan? in kN-m What is the maximum steel ratio of the section located at the supports? What is the actual steel ratio of the beam section at the supports? What is the ultimate moment capacity of the beam at the supports? in kN-m What is the effective flange width at the midspan? in mm What is the height of the compression block of the section at midspan? in mm What is the ultimate moment capacity of the beam at the midspan? in kN-m What would be the height of the CHB that can be placed on beam BE? Assuming the weight of the blocks is 2.30 kN/m per meter height? in meters
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A typical grade beam 300 x 800 is reinforced with 2 - 25M bars and the cover is forconerete cast and permanently exposed to the earth, (f', =30 MPa) Determine the following: (a) the size of the stress block "a" (b) the bending moment “M," (c) the c/d ratio (d) the type of failure (brittle or ductile) based on part (c) (e) check Asmin (equation 2.7) (Code 10.5.1.2) (f) maximum As permitted based on ductile failure (g) determine maximum bar size (2 required) from Table 1.5 based on part f) (h) check spacing requirements 's' Table 2.6 based on part g) (i) check if skin reinforcement is required Table 2.9 and fy = 400mpa please solve asap %3D

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