ICSRR – E080 - DEVELOPMENT OF AN HSFG BOLT QUANTITY & CAPACITY CALCULATOR FOR I-BEAM SPLICE JOINT FOR E250 & E350 COMPARISON

ICSRR – E080
DEVELOPMENT OF AN HSFG BOLT QUANTITY & CAPACITY
CALCULATOR FOR I-BEAM SPLICE JOINT FOR E250 & E350
COMPARISON

Abstract:
Steel structures frequently utilize bolted splice connections to join
structural members where transportation limitations or erection
procedures require segmented construction. High Strength Friction Grip
(HSFG) bolts are widely used in such connections due to their ability to
transfer loads through friction between plates, providing improved
structural reliability and slip resistance. Designing HSFG bolted splice
joints requires numerous calculations involving bolt shear strength, slip
resistance, and determination of the required number of bolts. Manual
design calculations are time-consuming and prone to error. This study
presents the development of an calculator that automates the computation
of HSFG bolt capacity and required bolt quantity for I-beam splice joints.
The developed calculator incorporates the design provisions of IS 800:2007
and allows comparison of structural steel grades E250 and E350. The tool
enables engineers to quickly evaluate bolt capacity, slip resistance, and
required bolt quantity for different design parameters. The results show
that the developed tool significantly reduces calculation time while
maintaining accuracy and transparency in the design process.
Keywords: HSFG bolts; I-beam splice joint; bolt capacity; Excel calculator;
E250 steel; E350 steel.