Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures

Sheng Li; Hing Ho Tsang; Nelson Lam

doi:10.1007/978-981-97-3397-2_67

Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures

Sheng Li (Lead / Corresponding author), Hing Ho Tsang, Nelson Lam

Civil Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Rocking isolation protects a structure or structural member in earthquakes by reducing internal forces and extending response periods through uplifting at the rocking interface. The vulnerability of overturning in earthquakes makes it difficult to apply to structures without additional support in the lateral direction. Superelastic alloy tendon restraints are ideal for rocking structures because of their excellent recoverable deformation capacity. It allows the structure to have a sufficient rotation for reducing internal forces while greatly reducing the risk of overturning. This paper reported shaking table tests of a superelastic tendon restrained shear frame and a building model. In both tests, it was demonstrated that a balance between reducing seismic internal forces and preventing overturning was achieved for structures with superelastic tendon restraints. Based on the experimental results, the theoretical model of the restrained rocking structure was validated. The study provides a technical approach to the design of rocking structures such as high-rise modular buildings.

Original language	English
Title of host publication	Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials - ACMSM26
Subtitle of host publication	ACMSM26, 3–6 December 2023, Auckland, New Zealand
Editors	Nawawi Chouw, Chunwei Zhang
Publisher	Springer Singapore
Pages	773-782
Number of pages	10
Edition	1
ISBN (Electronic)	9789819733972
ISBN (Print)	9789819733965, 9789819733996
DOIs	https://doi.org/10.1007/978-981-97-3397-2_67
Publication status	Published - 3 Sept 2024
Event	26th Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2023 - Auckland, New Zealand Duration: 3 Dec 2023 → 6 Dec 2023 Conference number: 26th https://www.acmsm26.com/

Publication series

Name	Lecture Notes in Civil Engineering
Volume	513 LNCE
ISSN (Print)	2366-2557
ISSN (Electronic)	2366-2565

Conference

Conference	26th Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2023
Abbreviated title	ACMSM26
Country/Territory	New Zealand
City	Auckland
Period	3/12/23 → 6/12/23
Internet address	https://www.acmsm26.com/

Keywords

Modular building
Rocking isolation
Self-supported
Shaking table test
Superelastic tendon

ASJC Scopus subject areas

Civil and Structural Engineering

Access to Document

10.1007/978-981-97-3397-2_67

Cite this

Li, S., Tsang, H. H., & Lam, N. (2024). Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures. In N. Chouw, & C. Zhang (Eds.), Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials - ACMSM26: ACMSM26, 3–6 December 2023, Auckland, New Zealand (1 ed., pp. 773-782). (Lecture Notes in Civil Engineering; Vol. 513 LNCE). Springer Singapore. https://doi.org/10.1007/978-981-97-3397-2_67

Li, Sheng ; Tsang, Hing Ho ; Lam, Nelson. / Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures. Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials - ACMSM26: ACMSM26, 3–6 December 2023, Auckland, New Zealand. editor / Nawawi Chouw ; Chunwei Zhang. 1. ed. Springer Singapore, 2024. pp. 773-782 (Lecture Notes in Civil Engineering).

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abstract = "Rocking isolation protects a structure or structural member in earthquakes by reducing internal forces and extending response periods through uplifting at the rocking interface. The vulnerability of overturning in earthquakes makes it difficult to apply to structures without additional support in the lateral direction. Superelastic alloy tendon restraints are ideal for rocking structures because of their excellent recoverable deformation capacity. It allows the structure to have a sufficient rotation for reducing internal forces while greatly reducing the risk of overturning. This paper reported shaking table tests of a superelastic tendon restrained shear frame and a building model. In both tests, it was demonstrated that a balance between reducing seismic internal forces and preventing overturning was achieved for structures with superelastic tendon restraints. Based on the experimental results, the theoretical model of the restrained rocking structure was validated. The study provides a technical approach to the design of rocking structures such as high-rise modular buildings.",

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Li, S, Tsang, HH & Lam, N 2024, Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures. in N Chouw & C Zhang (eds), Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials - ACMSM26: ACMSM26, 3–6 December 2023, Auckland, New Zealand. 1 edn, Lecture Notes in Civil Engineering, vol. 513 LNCE, Springer Singapore, pp. 773-782, 26th Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2023, Auckland, New Zealand, 3/12/23. https://doi.org/10.1007/978-981-97-3397-2_67

Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures. / Li, Sheng (Lead / Corresponding author); Tsang, Hing Ho; Lam, Nelson.
Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials - ACMSM26: ACMSM26, 3–6 December 2023, Auckland, New Zealand. ed. / Nawawi Chouw; Chunwei Zhang. 1. ed. Springer Singapore, 2024. p. 773-782 (Lecture Notes in Civil Engineering; Vol. 513 LNCE).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - Rocking isolation protects a structure or structural member in earthquakes by reducing internal forces and extending response periods through uplifting at the rocking interface. The vulnerability of overturning in earthquakes makes it difficult to apply to structures without additional support in the lateral direction. Superelastic alloy tendon restraints are ideal for rocking structures because of their excellent recoverable deformation capacity. It allows the structure to have a sufficient rotation for reducing internal forces while greatly reducing the risk of overturning. This paper reported shaking table tests of a superelastic tendon restrained shear frame and a building model. In both tests, it was demonstrated that a balance between reducing seismic internal forces and preventing overturning was achieved for structures with superelastic tendon restraints. Based on the experimental results, the theoretical model of the restrained rocking structure was validated. The study provides a technical approach to the design of rocking structures such as high-rise modular buildings.

AB - Rocking isolation protects a structure or structural member in earthquakes by reducing internal forces and extending response periods through uplifting at the rocking interface. The vulnerability of overturning in earthquakes makes it difficult to apply to structures without additional support in the lateral direction. Superelastic alloy tendon restraints are ideal for rocking structures because of their excellent recoverable deformation capacity. It allows the structure to have a sufficient rotation for reducing internal forces while greatly reducing the risk of overturning. This paper reported shaking table tests of a superelastic tendon restrained shear frame and a building model. In both tests, it was demonstrated that a balance between reducing seismic internal forces and preventing overturning was achieved for structures with superelastic tendon restraints. Based on the experimental results, the theoretical model of the restrained rocking structure was validated. The study provides a technical approach to the design of rocking structures such as high-rise modular buildings.

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Li S, Tsang HH, Lam N. Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures. In Chouw N, Zhang C, editors, Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials - ACMSM26: ACMSM26, 3–6 December 2023, Auckland, New Zealand. 1 ed. Springer Singapore. 2024. p. 773-782. (Lecture Notes in Civil Engineering). doi: 10.1007/978-981-97-3397-2_67

Experimental Investigation into Seismic Response of Superelastic Tendon Restrained Rocking Structures

Abstract

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Keywords

ASJC Scopus subject areas

Access to Document

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