Load resistance and hysteretic response of rhombic grid hyperboloid‐latticed shell subjected to combined vertical and horizontal loads

Zhu, Bin; Guo, Yan‐Lin; Zhou, Peng; Zhang, You-Hao

doi:10.1002/tal.1481

Cited by 6 publications

(2 citation statements)

References 10 publications

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“…Lightweight materials with low Young's modulus, such as timber and fiber‐reinforced polymer, are commonly used in such structures to achieve large deformations. Gridshell structures are advantageous because of their high structural efficiency; hence, several innovative variations have been proposed in the past decades . However, unlike conventional gridshells, the members in elastic gridshells are mainly stressed by bending moments instead of axial forces.…”

Section: Introductionmentioning

confidence: 99%

An integrated approach of form finding and construction simulation for glass fiber‐reinforced polymer elastic gridshells

Xiang

Cheng

Zou

et al. 2020

Structural Design Tall Build

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Summary Glass fiber‐reinforced polymer (GFRP) elastic gridshell is composed of long continuous GFRP tubes and achieves its shape through the elastic deformations during the lifting construction process. However, the complicated mechanical behaviors during the practical forming process are rarely examined in the previous researches. In this research, an innovative approach consolidating the form‐finding analysis and the construction simulation is proposed for the GFRP elastic gridshells. The integrated approach, which is developed with the ABAQUS and Python, is based on finite element analysis and iterative optimization; therefore, the mechanical deformations of gridshell can be accurately taken into account. The procedure of the integrated analysis is comprehensively presented by taking a typical double‐hump gridshell as an example. The form‐finding results (i.e., the flat lattices) derived from the iteration are found to be insensitive to the initial input. The structural behavior indexes (e.g., deflections, support reactions, and sectional stresses) during the lifting construction process are also available in the analysis. Based on the indexes, some general structural features of such gridshells are concluded. The achievements provide novel perspectives for the form‐finding analysis of GFRP elastic gridshells where lifting construction is involved, which is beneficial for the design and analysis of such structures.

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Section: Introductionmentioning

confidence: 99%

An integrated approach of form finding and construction simulation for glass fiber‐reinforced polymer elastic gridshells

Xiang

Cheng

Zou

et al. 2020

Structural Design Tall Build

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“…The other performances of the fabricated reticulated shells, such as fire resistance and collapse resistance, were also investigated. [13][14][15][16] Through analysis, it is found that scholars only analyzed the influence of joint stiffness on the overall stability and bearing capacity of reticulated shells, but no one has noticed that while improving the joint stiffness, the number of semirigid joints in reticulated shells can be reduced, and semirigid joints can be placed in the middle of the members to realize modular assembly of the reticulated shell.…”

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confidence: 99%

Static test and theoretical study on semirigid pin joint for modular steel reticulated shell

Zhang

et al. 2022

Structural Design Tall Build

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In order to realize the modularity and rapid assembly of steel reticulated shells in the construction site, a new type of simple assembled joint named semirigid pin joint is proposed for modular steel reticulated shell in this paper. While on the premise of meeting the stiffness and strength requirement, complicated procedures such as tightening nuts and controlling pretightening force are avoided in this joint. In addition, the joints can adapt to the complex curvature changes of reticulated shells.When it is connected in the middle of the member, the new joint can realize the connection of arc members. First, experiments were carried out on different screw rod diameters, wing plate pin diameters, and the number of wing plate pins. Different failure modes and M-Φ curves of semirigid pin joints were obtained. The stiffness and strength of the joints were studied. Second, a three-dimensional finite element model of the joint was established by ABAQUS, and the comparison between the simulated results and the experimental results proved the accuracy of the finite element numerical analysis. On this basis, the antirotation stiffness, strength, and failure mode of the new joint with different parameters were compared and discussed, and the influence law of each parameter on the mechanical properties of the new joint was obtained. Finally, based on the power function model, a theoretical analysis model for estimating the M-Φ curve of the joint was established. Compared with the results of the experiments, the results indicated that the prediction formula has high accuracy. K E Y W O R D S failure modes, modular steel reticulated shell, M-Φ curves, semirigid pin joint, theoretical analysis model | INTRODUCTIONSpatial steel structures can not only cover a large space but also bring excellent visual effects, which are increasingly used in landmark buildings.However, with the transformation of the construction industry to industrialization, [1] the research and development of new assembled spatial steel structure systems are important problems to be solved. In addition, the research, development, and design of new-type assembled joints are the core issues for realizing green and efficient assembly of spatial structures.Recently, the interest in assembled steel reticulated shells has significantly increased. In order to study the influence of assembled joint stiffness on the overall performance of steel reticulated shells, considerable efforts were made in previous years. Through numerical analysis, L opez et al., [2,3] Kato et al., [4] and Wang et al. [5] found that the stiffness of the joints has a great influence on the mechanical properties of steel reticulated shells, and the bearing capacities of the reticulated shells with semirigid joints and rigid joints are quite different. See and Mcconnel, [6]

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An analytic solution for form finding of GFRP elastic gridshells during lifting construction

Xiang

Cheng

Kookalani

2020

Composite Structures

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Load resistance and hysteretic response of rhombic grid hyperboloid‐latticed shell subjected to combined vertical and horizontal loads

Cited by 6 publications

References 10 publications

An integrated approach of form finding and construction simulation for glass fiber‐reinforced polymer elastic gridshells

An integrated approach of form finding and construction simulation for glass fiber‐reinforced polymer elastic gridshells

Static test and theoretical study on semirigid pin joint for modular steel reticulated shell

An analytic solution for form finding of GFRP elastic gridshells during lifting construction

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