Correction: Fujii, K. Pushover-Based Seismic Capacity Evaluation of Uto City Hall Damaged by the 2016 Kumamoto Earthquake. Buildings 2019, 9, 140

Kenji Fujii

doi:10.3390/buildings9110234

Abstract

It is very unfortunate that there are some errors in the nonlinear analysis program used for this published article [...]

Highlights

The author would like to correct the following lines: “The damping matrix is assumed to be proportional to the initial stiffness matrix, with 5% of the first mode’s critical damping.”
“The damping matrix is assumed to be proportional to the tangent stiffness matrix, with 5% of the first mode’s critical damping
The predicted peak drift by MABPA is very close to R = 1/75 at column A1B1

Summary

Section 3.2.

The author would like to correct the following lines: “The damping matrix is assumed to be proportional to the initial stiffness matrix, with 5% of the first mode’s critical damping.” To describe the damping matrix assumed in the nonlinear time-history analysis correctly, the author would like to make the following corrections. The author would like to correct the following lines: “The damping matrix is assumed to be proportional to the initial stiffness matrix, with 5% of the first mode’s critical damping.”. To describe the damping matrix assumed in the nonlinear time-history analysis correctly, the author would like to make the following corrections. “The damping matrix is assumed to be proportional to the tangent stiffness matrix, with 5% of the first mode’s critical damping. Note that, when its tangent stiffness is negative, non-zero dummy positive value (10−9 times smaller than the initial stiffness) is used for the calculation of the damping matrix to avoid the negative damping.”

Corrections 2

Findings

Section 6.