1 Tips for Successful Delegation of Connection Design by Clifford Schwinger, P.E. The Harman Group, Structural Engineers King of Prussia, Pa. [email protected]Delaware Valley Association of Structural Engineers 10/8/14 breakfast seminar 2 3 Engineers can reduce the cost of the connections even when delegating connection design. A substantial percentage of structural steel cost is related to the connections. Why care? Why delegate? Less work for the engineer of record Connection design is becoming a specialty Fabricators have different preferences for preferred connection details 4 But there is a right way and a wrong way to delegate connection design. 5 The wrong way: “ALL SHEAR CONNECTIONS SHALL BE DESIGNED TO DEVELOP THE FULL SHEAR STRENGTH OF THE MEMBER.” “ALL MOMENT CONNECTIONS SHALL BE DESIGNED TO DEVELOP THE FULL PLASTIC MOMENT CAPACITY OF THE MEMBER.” 6
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Tips for Successful Delegation of
Connection Design
by Clifford Schwinger, P.E.The Harman Group, Structural Engineers