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Buildings
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Prefabricated Spatial Network Structure
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Prefabricated Spatial Network Structure

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 4547

Special Issue Editors

Prof. Dr. Ruoqiang Feng

E-Mail Website
Guest Editor
College of Civil Engineering, Southeast University, Nanjing, China
Interests: network structure; structural analysis; structural optimization; modeling; finite element method; design optimization; CFD simulation
Dr. Xiaonong Guo

E-Mail Website
Guest Editor
College of Civil Engineering, Tongji University, Shanghai, China
Interests: aluminum alloy structures; space structures

Special Issue Information

Dear Colleagues,

The present Special Issue aims to explore the development of prefabricated spatial network structure, including the development of novel assembly joints, structural system innovation, structural analysis, structural design and methods for the structure optimization. The purpose of this issue is to present the latest research results related to prefabricated spatial network structure. The thematic scope includes experimental research, numerical analysis and theoretical analysis of components and structures. Studies on methods for the parametric modeling, design and optimization method of prefabricated spatial network structure are also very welcome.

The main topics of interest for this Special Issue include the following:

  • Development of novel assembly joints and structural systems in prefabricated spatial network structures.
  • Experimental research, numerical analysis and theoretical analysis of components and structures.
  • Studies on wind-resistant performance and anti-seismic properties of prefabricated spatial network structures.
  • Methods for parametric modeling of prefabricated spatial network structures.
  • Methods for the topological optimization of prefabricated spatial network structures.
  • Methods for the shape-state optimization of prefabricated spatial network structures.
  • Methods for the design of prefabricated spatial network structures.

Prof. Dr. Ruoqiang Feng
Dr. Xiaonong Guo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • novel assembly joint
  • structural analysis
  • parametric modeling method
  • topological optimization method
  • shape-state optimization method
  • design method
  • experimental study

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

12 pages, 1619 KiB  
Article
Design Optimisation of a Cable–Strut Tensile Structure According to the Importance of Elements
by Lian-Meng Chen, Ze-Bin Li, He Zhang, Yi-Jie Liu, Yi-Hong Zeng, Yi-Yi Zhou and Shi-Lin Dong
Buildings 2022, 12(10), 1528; https://doi.org/10.3390/buildings12101528 - 25 Sep 2022
Cited by 2 | Viewed by 1876
Abstract
In this study, the design of a flexible cable–strut tensile structure was optimised according to the importance of elements to achieve high structural robustness. First, the importance coefficients of elements were determined by comparing their structural prefailure and postfailure strain energy. Moreover, the [...] Read more.
In this study, the design of a flexible cable–strut tensile structure was optimised according to the importance of elements to achieve high structural robustness. First, the importance coefficients of elements were determined by comparing their structural prefailure and postfailure strain energy. Moreover, the effects of the external load, the initial prestress, and the cross-sectional areas of elements on the importance coefficients were analysed. Second, a genetic algorithm was used to optimise element section design and minimise the maximum importance coefficient. Third, an optimised cable arrangement scheme was developed by adding an alternative load transfer path to the outer hoop cable with the highest importance coefficient. In this scheme, outer elements have a Levy-type arrangement rather than a Geiger-type arrangement so that a Geiger–Levy composite cable dome is formed. Finally, the cable arrangement and element section design for the aforementioned scheme were comprehensively optimised to reduce the maximum importance coefficient. The results of this study indicated that different elements had different importance coefficients, which exhibited different trends with changes in the external load, the initial prestress, and the cross-sectional areas of elements. Element section optimisation, cable arrangement optimisation, and the comprehensive optimisation reduced the maximum importance coefficient by 20.5%, 11.6%, and 27.7%, respectively, which indicated that these optimisation processes can effectively improve the robustness of cable–strut tensile structures. Full article
(This article belongs to the Special Issue Prefabricated Spatial Network Structure)
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21 pages, 6455 KiB  
Article
Research on Experimental and Numerical Methods for Mechanical Properties of Lightweight Hollow Precast Utility Tunnels
by Yutao Feng, Weibin Li and Nan Lu
Buildings 2022, 12(9), 1483; https://doi.org/10.3390/buildings12091483 - 18 Sep 2022
Viewed by 1786
Abstract
In this paper, the mechanical properties of hollow precast utility tunnels are studied by experimental and numerical methods. Through full-scale experiments, the failure modes of ordinary and hollow utility tunnels are studied, and the failure stages of the structures are classified based on [...] Read more.
In this paper, the mechanical properties of hollow precast utility tunnels are studied by experimental and numerical methods. Through full-scale experiments, the failure modes of ordinary and hollow utility tunnels are studied, and the failure stages of the structures are classified based on the bearing capacity and damage to the structures. The nonlinear finite element model is used to simulate the behavior of the structure, and the optimal design of the structure under load type and the hollow ratio are discussed based on the finite element method. The theoretical calculation method of the bearing capacity for hollow structures in each stage is proposed, and its application scope is discussed. The finite element analysis can effectively predict the mechanical properties of the structure, and the failure of the utility tunnel structure is dependent on the shear bearing capacity. Although hollow design advances the structural damage under point load, the hollow structure has significant advantages under uniform loads or reasonable hollow ratios. It is reasonable to calculate the cracking load considering moment distribution at section centroid and the failure load considering the combined action of flexural and shear stress, but the hollow ratio should be less than 16%. Under reasonable hollow ratio or load conditions, the hollow design has little effect on the bearing capacity of the structure and can reduce the weight, which has practical value for architecture and construction. Full article
(This article belongs to the Special Issue Prefabricated Spatial Network Structure)
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