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Net tensile cross-sectional area of bolt's threaded zone.
Thus, this study aims to develop a simple method to estimate the net tensile stress of the prestressing strands (Δf ps ) under the service load conditions.
Then, the net tensile stress increase of the prestressing strands (Δf ps ) can be calculated, as follows: Delta f_{ps} = f_{p,service} - f_{dc} (14).
The net tensile stress of the prestressing strands (Δfps,ACI) obtained from Eq. (17) provided more conservative analysis results compared to those estimated by the nonlinear flexural analyses.
On the other hand, a summary table was also proposed, which can be used to easily check whether the net tensile stress (Δf ps ) exceeds the specified stress limit (250 or 350 MPa) under the service loads using only the magnitude of the effective prestress (f se ) without calculating the net tensile stress of the prestressing strands (Δf ps ).
Thus, this study proposed a simple method to estimate the net tensile stress of the prestressing strands (Δf ps ) under the service load conditions, and also provided a summary table to be used for checking whether the net tensile stress (Δf ps ) exceeds the stress limit (250 or 350 MPa) with respect to the magnitude of effective prestress (f se ).
Similar(29)
In the former process there is no net component of tensile stress whereas in the latter case the sample is subjected to axial tensile stresses at the die-exit.
The non-linear force displacement response of the net obtained in tensile quasi-static laboratory tests is successfully reproduced by the numerical model.
Hence, wider cross-section part acts as an actuator and applies a net amount of tensile strain on the smaller cross-section part that can be considered as the specimen.
Mechanical characteristics of SCCs were tested for compressive and splitting tensile strengths, net flexural strength as well as modulus of elasticity at 28 day.
Creep damage was found to be opposed by a strong compressive ratcheting originating from Bauschinger effect, resulting in net strain accumulation in tensile or compressive direction depending on whichever damage process of the two is dominant.
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