Development of an Innovative Boltless Connection for Multistory Modular Buildings

Srisangeerthanan, Sriskanthan; Hashemi, Javad; Rajeev, Pathmanathan; Gad, Emad; Fernando, Saman

doi:10.1061/(asce)st.1943-541x.0003382

Cited by 15 publications

(6 citation statements)

References 21 publications

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“…Ashcroft et al, (2019) proposed a more economical seismic damage-resisting system for multi-story modular buildings. Both Srisangeerthanan et al, (2022) and Bazarchi et al, (2023) proposed a new type of inter-module connection, and verified its lateral performance through experiments and numerical analysis, which provided certain guidance for the design of modular steel buildings.…”

Section: Introductionmentioning

confidence: 94%

Lateral Behavior of Modular Steel Buildings with Diaphragm Connections

He,

Wei

2023

16th International Conference on Durability of Building Materials and Components

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Modular steel buildings are increasingly popular due to their high level of industrialization. Corner-supported modular steel buildings are typically connected by inter-module connections at the corners of each module without continuous diaphragm slab. Therefore, rigid diaphragm assumption could not be adopted when designing modular steel buildings as in-plane deformation of the slab level is significant. To address this issue, the present study introduces diaphragm connections along the edges of modules at the floor slab levels. Then the lateral behavior of modular steel buildings with and without diaphragm connections is evaluated, as well as when a rigid diaphragm is assumed in the structures. The effect of diaphragm connection on lateral behavior of modular steel building under different parameters is discussed, including modular aspect ratio, number of modules in one storey, bracing system, and number of storeys. It is concluded that using diaphragm connections could improve the lateral behavior of modular steel buildings and simplify the design process.

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Section: Introductionmentioning

confidence: 94%

Lateral Behavior of Modular Steel Buildings with Diaphragm Connections

He,

Wei

2023

16th International Conference on Durability of Building Materials and Components

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“…As shown by V23 in Table 1, Dai et al [34] investigated grouted sleeve connections, which do not require bolting or welding to achieve the fast-tracked construction of modular steel buildings. As shown V24~V26 in Table 1, Srisangeerthanan et al [35] introduced a three-piece boltless connection that can be remotely controlled, allowing for fast, safe, simple, and minimally destructive on-site modular assembly, which is beneficial for achieving a fully modular construction. Dai et al [36] proposed a plug-in self-lock connection, which does not interfere with the internal finish and installed services.…”

Section: Vertical Module-to-module Connectionsmentioning

confidence: 99%

Mechanical Behaviors of Inter-Module Connections and Assembled Joints in Modular Steel Buildings: A Comprehensive Review

Yang

Xia

et al. 2023

Buildings

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Modular steel buildings offer the advantages of time-saving construction, reduced on-site work, and less resource waste. The mechanical behavior of modular connections is complex, depending on the type of connecting method and the load-transferring path. The aim of this paper is to offer an overview of the methods for creating inter-module connections. First, we discuss the existing inter-module connections, including vertical connections, horizontal connections, and module-to-concrete-core-wall connections. Then, the mechanical performance and simplified models of the inter-module connections are reviewed in detail; these have a significant influence on the development of modular steel buildings. Finally, the prospects of module-to-module connection are summarized. Despite the increasing amount of research that explores module-to-module connections, fully modular buildings have not yet been achieved, hindering the further development and use of modular steel buildings. In this context, self-locking connections and laminated double-beam connections are proposed, with the aim of promoting the increased use of modular steel buildings.

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“…In summary, module dimensions of width, length, and height should always comply with the maximum vehicle size specified by local authorities, while permit or police escort is required for transporting oversized modules in some cases. Some literature highlighted the need for compliance to International Organization for Standardization (ISO) permissible freight container size for module design, [20,39] which are drawn with red dash lines in Figure 6. Interestingly, existing module dimensions were rarely designed to comply with ISO freight container size.…”

Section: Module Height H Mmentioning

confidence: 99%

“…[ 27 ] A VB construction specification was recently drafted by China Association for Engineering Construction Standardization for VB adoption in China. [ 13 ] Several engineering research topics were actively discussed, including construction tolerances, [ 28,29 ] inter‐module connection modeling, [ 30–32 ] and structural analysis methods. [ 5,33 ]…”

Section: Existing Design Guidance For Vbmentioning

confidence: 99%

“…For modules exported internationally as freight, the module size is further controlled by shipping regulation. [ 39 ] Other considerations about road facilities such as bridge or underpass clearance are crucial for determining module dimensions. Whisker box diagrams are plotted for the 31,185 datasets of modules (911 module types) collected in the database according to module construction materials (see Figure 6) to facilitate the discussions on dimension distribution (width, length, and height) of existing modules across regional groups.…”

Section: Hierarchical Review Of Module Dimensions Building Massing Ty...mentioning

confidence: 99%

See 1 more Smart Citation

A preliminary design tool for volumetric buildings

Lim

Looi

Tsang

et al. 2022

Structural Design Tall Build

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Volumetric building (VB) is a type of off-site construction to move towards high productivity construction. Literature review shows that there are only few models for upstream feasibility study for VB, while many researchers delved into advanced structural engineering aspects of VB modeling (i.e., downstream detailed and technical design).However, there is a lack of guidance for the preliminary design of VB, which is an essential stage that falls in between upstream feasibility study and downstream detailed and technical design. Hence, this paper is written to fill that gap by proposing a new design tool for VB, anchored upon the "desire path" philosophy, which is often used in urban planning, that is, natural formations evident from preceding experiences. Literature review also shows that a comprehensive VB database is not available. Hence, a new database is collected with 31,185 units of modules and 911 module types, sourced from VB projects worldwide to provide a broad global overview. The proposed tool has a systematic framework of a four-quadrant plot for preliminary VB design, enabling designers to determine the number of modules, size of modules, massing typology, and module construction material through new empirical relationships.

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Development of an Innovative Boltless Connection for Multistory Modular Buildings

Cited by 15 publications

References 21 publications

Lateral Behavior of Modular Steel Buildings with Diaphragm Connections

Lateral Behavior of Modular Steel Buildings with Diaphragm Connections

Mechanical Behaviors of Inter-Module Connections and Assembled Joints in Modular Steel Buildings: A Comprehensive Review

A preliminary design tool for volumetric buildings

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