Research Article

Mechanical Behavior of High-Strength Bolted Joints Fabricated from Fire-Resistant Steel at Elevated Temperatures

Table 6

The model parameters of KN under different degrees of reliability.

Degrees of reliability (pj)50%85%95%99%

μpj0−1.036−1.645−2.326
Specimens of fire-resistant bolts20°C ≤ T< 400°C1.0120.96870.94330.9149
400°C ≤ T < 700°C1.62521.58191.55651.5281
Specimens of ordinary bolts20°C ≤ T< 400°C10.97050.95320.9338
400°C ≤ T< 700°C1.8921.86251.84521.8258

Note. μpj corresponds to each reliability and Pj is obtained from the table of the standard normal deviator.