The value of the minimum fully damaging stress range was found to depend on the basic fatigue strength of the weld joint.
These joints also provide other benefits, such as high fatigue strength, the possibility of maintaining the integrity of the substrates, no corrosion and minimum difference due to thermal expansion of the adhesive [3].
This paper investigates experimentally the punching and fatigue strength of long-span prestressed concrete deck slab used in simplified composite bridge systems exhibiting a minimum number of girders.
The PEEKPower group showed the lowest fatigue strength.
Meanwhile, it is also a negative factor for fatigue strength.
The minimum fatigue flexural moment was determined to be 8.2 kN m, and the maximum fatigue flexural moments were 13.4, 14.9, 16.4, and 17.9 kN m, which represented 45.0, 50.0, 55.0, and 60.0% of the ultimate strength of the uncorroded, unstrengthened beam, respectively.
Fatigue strength σ f can be considered as failure strength s for a flywheel.
The fatigue specimens in air condition exhibited higher fatigue strength than those in corrosive condition, especially at low stress.
Under cyclic fatigue loading, the factors for the strengthening design of corroded RC beams fall in the order of stiffness, fatigue life, fatigue strength, and ultimate capacity.
Finally, fatigue strength master curve is constructed.
