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2025 | OriginalPaper | Buchkapitel

Assessment and Retrofitting of Historical Over-Capping Timber Structure

verfasst von : Harun Alrasyid, Wahyuniarsih Sutrisno, Mudji Irmawan

Erschienen in: Proceedings of the 4th International Civil Engineering and Architecture Conference

Verlag: Springer Nature Singapore

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Abstract

This paper shows the assessment process of a 100 year-old historical over-capping timber structure. Visual observation, destructive, and non-destructive tests were performed to obtain the material properties of the timber structures. Based on the visual inspection, several of the element timber structures experienced deterioration. The destructive samples were obtained to observe the mechanical properties of timber material. The samples were acquired at a location that did not disturb structure stability. The mechanical properties of timber material, such as bending stress, tension stress parallel to the grain, compression stress parallel to the grain, and compression stress perpendicular to the grain, are examined to gain the actual strength of the material based on disturbed samples. Ultrasonic Pulse Velocity and humidity tests were performed on-site as part of non-destructive tests. The structure analysis was performed based on existing material data. To obtain nominal stress, this basis design stress was multiplied with several coefficients such as wet service factor, temperature factor, beam stability factor, size factor, flat use factor, incising factor, repetitive member factor, and column stability factor. The structure analysis showed that the columns’ structure needs to be retrofitted. The proposed design for timber retrofitting is shown in this paper and has been conducted on the site.

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Literatur
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Zurück zum Zitat American Society for Testing and Material (2014) Standard Test Methods for Small Clear Specimens of Timber—D143 American Society for Testing and Material (2014) Standard Test Methods for Small Clear Specimens of Timber—D143
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Zurück zum Zitat Computer and Structures Inc. (2021) CSI analysis reference manual For SAP2000®, ETABS®, SAFE® and CSiBridge Computer and Structures Inc. (2021) CSI analysis reference manual For SAP2000®, ETABS®, SAFE® and CSiBridge
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Zurück zum Zitat Badan Standardisasi Nasional (2013) SNI 7973:2013 Spesifikasi Desain Untuk Konstruksi Kayu Badan Standardisasi Nasional (2013) SNI 7973:2013 Spesifikasi Desain Untuk Konstruksi Kayu
Metadaten
Titel
Assessment and Retrofitting of Historical Over-Capping Timber Structure
verfasst von
Harun Alrasyid
Wahyuniarsih Sutrisno
Mudji Irmawan
Copyright-Jahr
2025
Verlag
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-97-5477-9_3