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# quiz2 - A to T are smooth pinned The supports at U and V...

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CIVL113: Statics & Dynamics (Quiz 2) 1 The Hong Kong University of Science & Technology The Department of Civil Engineering Name: Student ID: Date: 28-Oct-2002 Start at: 5:00pm Duration: 50 minutes Notice to Students: 1. Write down your name, and your student ID number in the spaces provided above. 2. The quiz is CLOSE BOOK and CLOSE NOTE . 3. This quiz consists of TWO questions, and you need to answer all of them. 4. The mark for each question is stated next to the question number. 5. Before you leave the examination room, make sure you have handed in all ANSWER SHEETS and QUESTION PAPERS . 6. You must clearly state all steps of your calculation. 7. You must clearly state any assumptions that you have made.

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CIVL113: Statics & Dynamics (Quiz 2) 2 Question 1 (50%): Consider the truss in Figure 1. All joints from
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Unformatted text preview: A to T are smooth pinned . The supports at U and V are pin and roller supports, respectively. Determine the force in member DK using method of sections (can NOT use method of joints). Indicate whether the member force is in tension (T) or compression (C). (Hint: you can cut more than one section.) 1 kip 2 kips 4 kips U V A B C D E F G N M L K J I H O P Q R S T 5’ 5’ 20’ 6 panels at 8’ kip = kilo-pound Figure 1 Question 2 (50%): Consider the structure in Figure 2. Except the two curved members AIH and HGF , all members are two-force members. All joints are smooth pinned. Instrumentation indicates the tension in members CH and DH to be 0.5 L each. Determine the forces in members AB , BI and CI . Indicate whether the member forces are in tension (T) or compression (C). Figure 2...
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