A theoretical study of the dynamic response of planar timber frames with semi-rigid moment-resisting connections subjected to wind loads

Cao, Alex Sixie; Stamatopoulos, Haris

doi:10.1016/j.engstruct.2021.112367

Cited by 18 publications

(12 citation statements)

References 29 publications

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“…Timber buildings, due to their lightweight and moderate stiffness, are often susceptible to excessive accelerations and lateral deformations under wind loads. [4][5][6][7][8][9][10][11][12][13] Excessive accelerations can cause occupants discomfort, and excessive lateral deformations can cause damage and may influence the functionality of the building. The acceleration due to wind can be reduced by increasing the building's mass, 10 damping, 14 lateral stiffness, 13 or a combination.…”

Section: Introductionmentioning

confidence: 99%

“…However, in timber structures, wind-induced accelerations are very decisive in the design and dimensioning of the structural elements. [4][5][6][7][8][9][10][11]13 The feasibility of using outriggers in timber buildings and their advantages are not extensively investigated, especially with respect to wind-induced acceleration requirements.…”

Section: Introductionmentioning

confidence: 99%

“…Timber structures, due to their lightweight and moderate stiffness, are typically governed by the serviceability limit state (SLS). [4][5][6][7][8][9][10][11] Therefore, this article focuses on the SLS. However, since the introduction of an outrigger may cause force concentration in structural members and connections at the outrigger level, ultimate limit state (ULS) should be considered as well.…”

Section: Introductionmentioning

confidence: 99%

“…Timber buildings, due to their lightweight and moderate stiffness, are often susceptible to excessive accelerations and lateral deformations under wind loads. 4–13 Excessive accelerations can cause occupants discomfort, and excessive lateral deformations can cause damage and may influence the functionality of the building. The acceleration due to wind can be reduced by increasing the building's mass, 10 damping, 14 lateral stiffness, 13 or a combination.…”

Section: Introductionmentioning

confidence: 99%

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Feasibility of outrigger structural system for tall timber buildings: A numerical study

Hegeir,

Stamatopoulos

2024

International Wood Products Journal

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Tall timber buildings are prone to serviceability problems (e.g. lateral displacements and wind-induced accelerations). This article investigates the feasibility of timber outrigger system to build up to 20 storeys using linear elastic finite element analysis and relevant European and international standards such as EN 1990, EN 1991-1-1, EN 1991-1-4, EN 1995-1-1 and ISO 10137. The location of up to two outriggers was optimised based on different serviceability criteria. Various outrigger layouts were investigated, and their stiffness demands were discussed. The efficiency of outrigger structures in reducing lateral displacements and wind-induced accelerations is highlighted. A feasibility study considering serviceability requirements was performed using different basic wind velocities, number of storeys and gravity loads. Although the focus of the article is on serviceability requirements, some ultimate limit state considerations (forces and stresses) were briefly discussed. The results demonstrate the feasibility of building up to 16 storeys under medium to high wind velocities.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Feasibility of outrigger structural system for tall timber buildings: A numerical study

Hegeir,

Stamatopoulos

2024

International Wood Products Journal

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“…Dissimilar to steel and reinforced concrete, timber is an intrinsically lightweight material [11,12]. This leads to vastly different behaviour when subjected to lateral loading, such as wind and seismic loading [12][13][14][15]. Besides the weight difference, the material and its connections are also dissimilar to its conventional steel and reinforced concrete opponents [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

A Nonlinear Dynamic Model for Collapse Investigations in Tall Timber Buildings - Preliminary Results

Cao,

Esser,

Glarner

et al. 2023

World Conference on Timber Engineering (WCTE 2023)

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Structural robustness of timber buildings is becoming increasingly relevant because of the increasing use of timber in the built environment. An important tool for assessing the robustness of any structure is an efficient numerical model capable of simulating progressive collapse. With such a model, physical tests can be limited to a few carefully selected validation tests and the robustness of a wide range of building typologies and geometries can be investigated efficiently. In this paper, a parametric nonlinear dynamic model for simulating progressive collapse of timber buildings is presented. Because of the parametric capabilities of the model, a vast range of buildings can be modelled. Moreover, the entirety of a collapse can be simulated with the recently developed mixed element method and the implementation of stress-and energy-based failure criteria for normal loading and impact loading. To demonstrate the capabilities of the model, a case study is presented on a symmetrical three-dimensional frame building with varying cross-sectional member dimensions. The model is an indispensable tool for investigating the robustness of timber buildings.

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Experimental investigation on axially-loaded threaded rods inserted perpendicular to grain into cross laminated timber

Hegeir,

Stamatopoulos

2023

Construction and Building Materials

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A theoretical study of the dynamic response of planar timber frames with semi-rigid moment-resisting connections subjected to wind loads

Cited by 18 publications

References 29 publications

Feasibility of outrigger structural system for tall timber buildings: A numerical study

Feasibility of outrigger structural system for tall timber buildings: A numerical study

A Nonlinear Dynamic Model for Collapse Investigations in Tall Timber Buildings - Preliminary Results

Experimental investigation on axially-loaded threaded rods inserted perpendicular to grain into cross laminated timber

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