Performances of Concrete Columns with Modular UHPC Permanent Formworks Under Axial Load

Yang, Yongqiang; Chen, Baixi; Chen, Yong; Zhou, Huanyang; Liu, Fucai; Xie, Xiangming; Chen, Junsheng; Guo, Wenying; Wang, Hengchang

doi:10.1186/s40069-023-00608-1

Cited by 10 publications

(4 citation statements)

References 38 publications

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“…While the initial implementation of robotic technology could be expensive, the long-term benefits in terms of safety, efficiency, and cost savings have the potential of becoming substantial. Prefabricated and modular formwork systems are gaining popularity due to their potential to reduce construction times, improve the quality of concrete structures, and decrease labor requirements [172]. These systems typically involve the production of formwork components off site, which are then transported to the construction site for assembly.…”

Section: Future Trendsmentioning

confidence: 99%

Formwork Engineering for Sustainable Concrete Construction

Nilimaa,

Gamil,

Zhaka

2023

CivilEng

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This study provides a comprehensive review of the engineering challenges of formwork in concrete construction. The paper investigates different formwork systems, their design based on form pressure, and the difficulties of form stripping. Alternative binders are gaining more and more interest by opening new opportunities for sustainable concrete materials and their impact on form pressure and concrete setting is also investigated in this paper. The discussion involves several engineering challenges such as sustainability, safety, and economy, while it also explores previous case studies, and discusses future trends in formwork design. The findings pinpoint that choosing an appropriate formwork system depends significantly on project-specific constraints and that the development of innovative materials and technologies presents significant benefits but also new challenges, including the need for training and regulation. Current trends in formwork design and use show promising possibilities for the integration of digital technologies and the development of sustainable and ‘smart’ formwork systems. Continued research within the field has the possibility to explore new formwork materials and technologies, which will contribute to the implementation of more effective and sustainable practices in concrete construction.

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Section: Future Trendsmentioning

confidence: 99%

Formwork Engineering for Sustainable Concrete Construction

Nilimaa,

Gamil,

Zhaka

2023

CivilEng

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“…Grouts have the characteristics of good fluidity and high strength [1]. They are often used as repair materials to fill gaps of concrete structures for repair and reinforcement [2,3]. They are also used to grout sleeves to connect prefabricated components [4,5].…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of an improved grout for cementitious precast beam-column joints

Jiang,

Zhang,

Dong

et al. 2023

Mater. Res. Express

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This study proposed a new formulation for an improved grout with superior early strength and ultra-high cured strength; it was designed on the basis of the theory of closest packing. Orthogonal experiments were conducted to analyse the effects of four factors, silica powder content, water reducer content, steel fibre content, and water-cement ratio, on the flowability, compressive strength, and compactness of grout. The criteria for determining whether the grout met the requirements for Code included initial flowability greater than 300 mm, flowability more than 260 mm after 30 minutes, and compressive strength more than 60 MPa after 12 hours of standard curing. The results showed that the performance of the grout satisfied specified requirements for Code with small internal voids and acceptable durability. After the ratio of raw materials was optimized, The grout sleeve test showed that the failure occurred in the steel bars outside the sleeve, and no grout pulling, slipping, splitting, or other behaviour occurred within the sleeve, which meant that the specimens met the design requirements . The development of this grout will greatly reduce construction time for Code and improve the quality of connections in prefabricated components. The results of this study will provide a reference for the design and development of new grouts in the future.

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“…PERI system formwork is prefabricated formwork consisting of components, mostly made of steel, designed for repeated use. The formwork system's (PERI) advantages are easy installation and dismantling, lightweight, repeated use, quality casting, and fast dismantling, and can be used in large concrete construction projects [22], [4], [23], [24]. The disadvantage of the formwork system (PERI) is that it is expensive and requires expertise and heavy equipment, but for time, it is faster than conventional [5].…”

Section: Introductionmentioning

confidence: 99%

Efficiency of Using PERI Formwork in Low-Rise Buildings Project

Natalia,

Alexander,

Misriani

et al. 2023

U Karst

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Concrete construction is still the main choice because of its high strength, durability, and ability to withstand heavy loads. In reinforced concrete construction, formwork is a fairly important element. Formwork significantly impacts the efficiency of construction implementation. Formwork innovation has found PERI formwork to be a solution that many consider more efficient. Efficient use of PERI formwork is an important focus to increase productivity, minimize time, and reduce construction costs. This research aims to analyze the quality, cost, and implementation time of PERI formwork compared to conventional formwork in 2-story buildings. Quantitative methods are used to evaluate quality (strength of bending, safe deflection, and strength of the shear) using SAP 2000, implementation time using Microsoft Project, and project costs using unit price analysis. The research results show that using the PERI formwork system can provide various efficiencies in formwork work. PERI formwork has been proven stronger in withstanding loads and meets current load regulations. It can save project implementation time by up to 21 working days (24.7%) with a cost reduction of 4.72%. This is because the installation cycle is faster, which can increase productivity and reduce costs. So, using the PERI system formwork has proven efficient and can be the best choice for low-rise building construction projects.

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Performances of Concrete Columns with Modular UHPC Permanent Formworks Under Axial Load

Cited by 10 publications

References 38 publications

Formwork Engineering for Sustainable Concrete Construction

Formwork Engineering for Sustainable Concrete Construction

Mechanical properties of an improved grout for cementitious precast beam-column joints

Efficiency of Using PERI Formwork in Low-Rise Buildings Project

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