Title: Useful life prediction of building exterior wall decorative coatings

Authors: Dan Chen

Addresses: Department of Architecture and Civil Engineering, Hope College of Southwest Jiaotong University, Chengdu, 610400, SiChuan, China

Abstract: In order to solve the problems of high detection error rate, low prediction accuracy and long-time consumption in traditional prediction methods, a new useful life prediction method of building exterior wall decorative coatings is proposed. Decorative coatings of building exterior wall was prepared, and decorative coatings was painted to obtain the decorative coatings sample of building exterior wall, and the aging test was carried out on the sample. One-dimensional Wiener process is used to detect the decorative coatings degradation state of the aged building exterior wall, and the decorative coatings useful life of the building exterior wall is predicted by combining the degradation state detection results with Alex-Net model. The experimental results show that the average detection error rate of decorative coatings degradation state is 13.03%, the average prediction accuracy is 97.49%, and the prediction time is less than 0.5 s.

Keywords: building exterior wall; decorative coatings; useful life prediction; aging test; one-dimensional Wiener process; Alex-Net model.

DOI: 10.1504/IJMMP.2025.150841

International Journal of Microstructure and Materials Properties, 2025 Vol.18 No.3, pp.151 - 167

Received: 30 Apr 2024
Accepted: 04 Dec 2024
Published online: 24 Dec 2025 *

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