Question 1 Figure Q1 shows a typical splice joint to connect two UKB 457 x 191 x 98 (S275) sections by two flange plates and two web plates (both in S275) with M20 bolts (assume 2mm clearance). Given that the flange plate thickness and width (bf) are 18mm and 180mm, respectively; the web plates thickness and depth (d) are 12mm and 300mm, respectively. a) Determine the design tension resistance of the two flange plates. b) Determine the design tension resistance of the two web plates. c) Determine the design tension resistance of the UKB section. d) Estimate the maximum design tension force T. In the absence of specific information, students are expected to make reasonable assumptions. b₁ ₁7 ÷ ÷ T Figure Q1 dw T

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Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).