Hybrid timber-based structures: A state of the art review

Pastori, Sofia; Mazzucchelli, Enrico Sergio; Wallhagen, Marita

doi:10.1016/j.conbuildmat.2022.129505

Cited by 27 publications

(10 citation statements)

References 100 publications

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“…In a full-timber construction, the dissipation of seismic energy occurs at the connecting points between the timber elements, such as nails, screws, bolts, hold-downs, etc. Structural timber members can be combined with other materials, such as steel and concrete, to cope with the disadvantages found within tall buildings' structural and seismic design that have been mentioned [106].…”

Section: Structural Systems For Modular Buildings 101 Building Levelmentioning

confidence: 99%

“…The widespread practice of combining timber with other materials, such as reinforced concrete or steel, in construction has led to the creation of timber-concrete composite (TCC) and steel-timber composite (STC) components [106].…”

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confidence: 99%

“…TCC walls are created by connecting a massive timber or framed structure to a reinforced concrete slab with various materials such as solid timber, GLT (glued laminated timber), LVL, adhesive-free EWPs, regular concrete, lightweight concrete, or high-performance concrete. TCC fabrication can occur in wet-dry or dry-dry construction systems, involving processes where wet concrete is poured onto dry timber or precast concrete is connected to the timber part, respectively [106].…”

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confidence: 99%

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Contemporary Strategies for the Structural Design of Multi-Story Modular Timber Buildings: A Comprehensive Review

Tenório,

Ferreira,

Belafonte

et al. 2024

Applied Sciences

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Modular timber construction embodies a pioneering and eco-friendly methodology within the building sector. With the notable progress made in manufacturing technologies and the advent of engineered wood products, timber has evolved into a promising substitute for conventional materials such as concrete, masonry, and steel. Beyond its structural attributes, timber brings environmental advantages, including its inherent capacity for carbon sequestration and a reduced carbon footprint compared to conventional materials. Timber’s lightweight nature, coupled with its versatility and efficiency in factory-based production, accelerates modular construction processes, providing a sustainable solution to the growing demands of the building industry. This work thoroughly explores contemporary modular construction using wood as the primary material. The investigation spans various aspects, from the fundamentals of modularity and the classification of modular timber solutions to considerations of layout design, structural systems, and stability at both the building and module levels. Moreover, inter-module joining techniques, MEP (mechanical, electrical, and plumbing) integration, and designs for disassembly are scrutinized. The investigation led to the conclusion that timber modular construction, drawing inspiration from the steel modular concept, consistently utilizes a structural approach based on linear members (timber frame, post-and-beam, etc.), incorporating stability configurations and diverse joint techniques. Despite the emphasis on modularization and prefabrication for adaptability, a significant portion of solutions still concentrate on the on-site linear assembly process of those linear members. Regarding modularity trends, the initial prevalence of 2D and 3D systems has given way to a recent surge in the utilization of post-and-beam structures, congruent with the ascending verticality of buildings. In contrast to avant-garde and bold trends, timber structures typically manifest as rectilinear, symmetric plans, characterized by regular and repetitive extrusions, demonstrating a proclivity for centrally located cores. This work aims to offer valuable insights into the current utilization of modular timber construction while identifying pivotal gaps for exploration. The delineation of these unexplored areas seeks to enable the advancement of modular timber projects and systems, fully leveraging the benefits provided by prefabrication and modularity.

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Section: Structural Systems For Modular Buildings 101 Building Levelmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Contemporary Strategies for the Structural Design of Multi-Story Modular Timber Buildings: A Comprehensive Review

Tenório,

Ferreira,

Belafonte

et al. 2024

Applied Sciences

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“…Composite structures have been widely employed in various types of buildings and structures [1]. Steel-timber composite (STC) structures represent an efficient and innovative type of composite structure that combines the high strength and lightweight characteristics of steel structures with the environmental friendliness of timber structures [2]. In STC structures, the wood provides lateral stiffness to the composite components, acting as lateral support for the steel structure, thereby preventing premature buckling and instability of the steel.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis on seismic behavior of a novel steel-timber composite frame column

Liu,

Wang,

et al. 2024

Eng. Res. Express

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Steel-timber composite structures are a novel hybrid structural system that combines the advantages of both steel and wood structures, holding great promise for various applications. In this paper, the seismic behaviors of steel- timber composite columns are investigated based on finite element analysis. The reliability of the finite element model is validated by quasi-static test results. Numerical analysis results indicate that the proposed steel- timber composite systems is with high ultimate bearing capacity, full hysteresis loops, and strong displacement ductility, demonstrating excellent seismic performance. The axial compression ratio, steel tube thickness, and flexural point height significantly influence the seismic resistance of the structure.

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“…Wood products have made significant progress with the development of processing techniques, demonstrating further advantages in seismic resistance, preservation and structural performance [1][2]. Wood structures have been widely applied in commercial buildings, residential constructions and high-rise buildings [3][4][5]. Cross-laminated timber (CLT) comprises three layers of wood panels, with each layer consisting of solid sawn timber or structural wood composite arranged parallel to each other and bonded perpendicularly to adjacent layers [6].…”

Section: Introductionmentioning

confidence: 99%

Study on bending performance of prefabricated glulam-cross laminated timber composite floor with screw connections

Chen

et al. 2023

Preprint

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The glulam-cross laminated timber (CLT) composite floor is a type of prefabricated composite floor that integrates glulam beams and CLT slab into a unified structure using shear connectors. To investigate the bending performance of the glulam-CLT composite floor, the bending test was conducted on a full-scale composite floor under static load. The study comprehensively analyzed the failure mechanism, load-deflection behavior, interface slip and strain distribution of the glulam-CLT composite floor. The test results of the composite floor indicated that the failure mode was tensile fracture of the wood beam at the bottom. As the load increased, the relative slips extended towards the mid-span, and the rate of increase in relative slip gradually increased, which could be attributed to the decrease in shear stiffness of the screw connections and the overall composite action. In the earlyloading phase, the strain distribution of the composite section satisfied the assumption of a plane section. However, the strain distribution deviated from this assumption with the increased load due to the relative slips between the glulam beam and CLT flange. To calculate the bending performance of the composite floor, the M-shaped section of the glulam-CLT composite floor was simplified as T-section composite beams. The linear-elastic method for determining the flexural rigidity and ultimate bearing capacity of the glulam-CLT composite floors was proved to be accurate and reliable.

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Hybrid timber-based structures: A state of the art review

Cited by 27 publications

References 100 publications

Contemporary Strategies for the Structural Design of Multi-Story Modular Timber Buildings: A Comprehensive Review

Contemporary Strategies for the Structural Design of Multi-Story Modular Timber Buildings: A Comprehensive Review

Numerical analysis on seismic behavior of a novel steel-timber composite frame column

Study on bending performance of prefabricated glulam-cross laminated timber composite floor with screw connections

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