7/27/2019 Quiz_2_Dec_2009

1/2

Cairo University Structural Engineering Department

Steel Structures M.Sc. / Diploma

STR654 Special Topics in Steel Structures

Any missing data may be reasonably assumed Answer all questions

Quiz No. 2 December 12, 2009

Name:

1- Briefly state why it is important to study the Engineering Documents prior to starting erection.

2- What is the torque required to tighten a bolt M24. grade 8.8 according to the Egyptian Code?(hint T = 0.7 Fyb As)

3- A multi-storey building has 5 bays with 6000-mm spacing between columns (in one direction).The actual measured distances at the base of the columns are: 6006, 5992, 6012, 5999, and

6003. Are these measurements accepted according to Egyptian Code requirements? Why?

4- State the differences between bearing type and friction type connections.

5-What are the main differences between cellulosic and hydrocarbon fires?

7/27/2019 Quiz_2_Dec_2009

2/2

Cairo University Structural Engineering Department

Steel Structures M.Sc. / Diploma

STR654 Special Topics in Steel Structures

Any missing data may be reasonably assumed Answer all questions

Quiz No. 2 December 12, 2009

Name:

1- . Is it important to study the bill of materials prior to erection start? Why?

2-What is the angle of rotation required to tighten an M22 bolt according to the AISC Turn of theNut Method (Lbolt = 120-mm, both faces are normal to the bolt axis).

3- The floor to floor column deviations in a four storey building were found to be +8, -7, +18, +9mm (starting from the first floor, floor height is 5-m). State whether these deviations are

acceptable. Why?

4- State 4 methods for tightening slip critical connections. Which one do you recommend? Why?

5- State 3 advantages and 3 disadvantages of using concrete encasement as fire protection.