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A concrete box girder bridge has the rectangular x-section. The box is prismatic and considered thin-walled. It span is L=48m and simply supported at points A,B,C and D. The supports are assume to be able to transfer tensile forces. Diaphragms(x-beams) have been constructed at AB and CD to transfer the support reactions into the hollow x-section. Support A undergoes a settlement as a result of which a torsional moment is induced in the beam. The maximum shear stress due to this torsional moment is 1N/sq. mm. Use G=13.5GPa for shear modulus.
1.Determine the torsional moment in the hollow x-section2.Determine the settlement of support A.3.Determine the support reactions due to the settlement of support A.
Compare and contrast the purpose and scope of the Federal Insecticide, Fungicide, and Rodenticide Act with the provisions of the Federal Food, Drug, and Cosmetic Act.
How many gallons of mercury (sg=13.54) would weight the same as 5 gallons of castor oil which has a specific weight of 56.69 pcf?
Calculate the force (in Kn) a punch press must exert if it is to punch out a large washer from a strip of 5-mm thick sheet steel with an ultimate shear strength of 400 MPa. The washer dimensions are as follows: hole diameter is 27 mm. outside diam..
To satisfy desige limitation it is necessary to determine the effect of the 2- kN tension in the cable on the shear tension and bending of the fixed I-beam.
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A vertical curve is formed when a rural highway passes under a bridge joining a -8% grade to the horizontal grade satisfying the requirement for safe speed of 90 Km/hr . Determine the minimum clearance required betewen the highway pavement surface..
The block has a mass of 150 kg and rests on a surface for which the coefficients of static and kinetic friction are 0.5 and 0.4, respectively. If a force F = (60t^2) N, where t is in seconds, is applied to the cable, determine the power developed ..
A sample of natural glacial till was taken from below the groundwater table. The water content was found to be 52%. Estimate the wet density,dry density,buoyant density,porosity,and void ratio. Clearly state any necessary assumptions.
Devise a appropriate management system that you as a commercial manager for the contractor would recommend to the project team for use on a construction or building contract.
Assuming unit surface area, find the conductive heat loss through the furnace wall and the temperature at the interface of the fire clay and red brick.
Include immediate and consolidation settlements, but ignore secondary compression. In your calculation, use three sublayers with thicknesses of 4 ft, 8 ft and 16 ft for the top, middle and bottom layers. Ignore any settlement caused by the dense s..
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