ch7_1_student_notes

ch7_1_student_notes - INTERNAL FORCES (Section 7.1) Todays...

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INTERNAL FORCES (Section 7.1) Today’s Objective : method of sections for determining internal forces in 2-D load cases. In-Class Activities : Applications Types of internal forces Steps for determining the internal forces Problems and questions
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APPLICATIONS Why are the beams tapered? Is it because of the internal forces? If so, what are these forces and how do we determine them? These beams are used to support the roof of this gas station.
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Statics Rules APPLICATIONS (continued) Usually such columns are wider at the bottom than at the top. Why? Is it because of the internal forces? If so, what are they and how do we determine them? A fixed column supports this rectangular billboard.
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APPLICATIONS (continued) The concrete supporting a bridge has fractured. What might have caused the concrete to do this? How can we analyze or design these structures to make them safer?
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INTERNAL FORCES The design of any structural member requires finding the forces acting within the member to make sure the
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ch7_1_student_notes - INTERNAL FORCES (Section 7.1) Todays...

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