Suppose a pre-stressed concrete bridge project has completed its engineering design stage and ready to begin its construction. The project owner, however suddenly changes his/her plans to use steel girder instead of pre-stressed beam but retain the other bridge component materials as originally selected. All other bridge parameters such as the bridge width, span length, number of lanes, slab, parapet, diaphragm, abutment, etc remain unchanged. Comment and give reasons on the anticipated changes in the engineering design that need to be addressed in terms of : (i) the live load (ii) the dead load and superimposed dead load (ii) backfill (iv) shrinkage, temperature & creep and wind
Suppose a pre-stressed concrete bridge project has completed its engineering design stage and ready to begin its construction. The project owner, however suddenly changes his/her plans to use steel girder instead of pre-stressed beam but retain the other bridge component materials as originally selected. All other bridge parameters such as the bridge width, span length, number of lanes, slab, parapet, diaphragm, abutment, etc remain unchanged. Comment and give reasons on the anticipated changes in the engineering design that need to be addressed in terms of : (i) the live load (ii) the dead load and superimposed dead load (ii) backfill (iv) shrinkage, temperature & creep and wind
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Suppose a pre-stressed concrete bridge project has completed its engineering
design stage and ready to begin its construction. The project owner, however
suddenly changes his/her plans to use steel girder instead of pre-stressed
beam but retain the other bridge component materials as originally selected. All
other bridge parameters such as the bridge width, span length, number of
lanes, slab, parapet, diaphragm, abutment, etc remain unchanged. Comment
and give reasons on the anticipated changes in the engineering design that
need to be addressed in terms of :
(i)
the live load
(ii)
the dead load and superimposed dead load
(iii)
backfill
(iv)
shrinkage, temperature & creep and wind](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5d24cd2c-3a97-4ab8-a1c8-2fd74209690f%2F0410b405-8b95-4b02-8b92-29ce4307bd49%2Fhsm8qd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose a pre-stressed concrete bridge project has completed its engineering
design stage and ready to begin its construction. The project owner, however
suddenly changes his/her plans to use steel girder instead of pre-stressed
beam but retain the other bridge component materials as originally selected. All
other bridge parameters such as the bridge width, span length, number of
lanes, slab, parapet, diaphragm, abutment, etc remain unchanged. Comment
and give reasons on the anticipated changes in the engineering design that
need to be addressed in terms of :
(i)
the live load
(ii)
the dead load and superimposed dead load
(iii)
backfill
(iv)
shrinkage, temperature & creep and wind
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