During construction of a highway bridge, the main girders as shown in Figure Q5(a) are cantilevered outward from one pier toward the next. Each girder has a cantilever length of 48 m and an I-shaped cross section with dimensions shown in the Figure Q5(a). The load on each girder (during construction) is assumed to be 9.5 kN/m, which includes the weight of the girder. Notice that there are four girders used in the construction of the bridge. Determine the maximum bending stress in a girder due to this load.

During construction of a highway bridge, the main girders as shown in Figure Q5(a) are cantilevered outward from one pier toward the next. Each girder has a cantilever length of 48 m and an I-shaped cross section with dimensions shown in the Figure Q5(a). The load on each girder (during construction) is assumed to be 9.5 kN/m, which includes the weight of the girder. Notice that there are four girders used in the construction of the bridge. Determine the maximum bending stress in a girder due to this load.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Fire safety

Fire safety is a new domain emerged in the early 90s to enable the design of buildings, structures, and infrastructure against destruction through fire. It also includes the provisions of building codes. This field is mostly associated with the design and efficient planning of a building, to reduce the destruction caused by fire. The branch of engineering that deals with it for the safety of the buildings from destruction of fire, is known as fire safety engineering.

Question

please answer quickly within 30 minutes.

52 mm
2600 mm
28 mm
620 mm
Figure Q5 (a)

(a) During construction of a highway bridge, the main girders as shown in Figure Q5(a)
are cantilevered outward from one pier toward the next. Each girder has a cantilever
Q5
length of 48 m and an I-shaped cross section with dimensions shown in the Figure
Q5(a). The load on each girder (during construction) is assumed to be 9.5 kN/m, which
includes the weight of the girder. Notice that there are four girders used in the
construction of the bridge. Determine the maximum bending stress in a girder due to this
load.

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