Concrete filled double steel tube columns incorporating UPVC pipes under uniaxial compressive load at ambient and elevated temperature

Chang, Qi; Zhao, Chuang; Liu, Xing; Ahmad, Waqas; Javed, Muhammad Faisal; Aslam, Fahid; Musarat, Muhammad Ali; Vatin, Nikolai Ivanovich

doi:10.1016/j.cscm.2022.e00907

Cited by 7 publications

(6 citation statements)

References 68 publications

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“…1.1.3 Un-plasticized polyvinyl chloride (uPVC) tubes remaining formwork UPVC tubes protected reinforced concrete columns from chemical attacks, increased the corrosion resistance of steel in a harsh environment, and prevented the peeling of concrete cover. Also, the columns' strength, ductility, and energy absorption improved by lateral confinement of uPVC to the concrete column [37][38][39][40][41][42][43].…”

Section: Steel Tubementioning

confidence: 99%

Stay in Place Formwork, Encased Reinforced Concrete Column: A Review

Abbas,

Hassan,

Gorgis

2023

ETJ

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SIP formwork offers a cost-effective alternative to classic formwork systems, reducing construction expenses • The review covers various types of SIP formworks for columns, including PVC, CFRP, steel tubes, and composite material • The study explores the mechanical features and confinement efficiency of some SIP formwork types for RC columns • The provides valuable insights for future research in this field Formwork systems are required for almost all cast-in-place concrete construction.However, some forms cost too much, often exceeding 30% of the entire cost of the concrete construction. Thus, the stay-in-place (SIP) formwork, a premanufactured permanent constructional member that holds fresh concrete to the intended sizes and stays in the site to afford loads over the construction lifecycle, could be an auspicious alternative to the classic formwork procedure. Several types of stay-inplace (SIP) formworks for columns have been reviewed, like PVC tubes, CFRP, steel tubes, and the composite of two or more types of stay-in-place (SIP) formwork used together. Moreover, some types of concrete and mortar used as stay-in-place (SIP) formwork have been reviewed. The mechanical, restrain, and deformability characteristics of several types of stay-in-place (SIP) formwork system for concrete columns is discussed. Further, the effect of change in the thickness of several kinds of stay-in-place formworks is highlighted. The impact of the change in the strength level of the core of concrete-filled stay-in-place formworks on the confinement efficiency of stay-in-place formwork is also investigated. Finally, the recommendations for futurity researchers in this area are introduced.

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Section: Steel Tubementioning

confidence: 99%

Stay in Place Formwork, Encased Reinforced Concrete Column: A Review

Abbas,

Hassan,

Gorgis

2023

ETJ

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“…Plastic materials were cheap, lightweight, easy to handle, not affected by corrosion or other forms of degradation, and locally available in abundance [1]. They were impervious to gases and liquids and had a high strength-to-weight ratio [69]. Plastic materials were also highly durable with a service life exceeding 50 years [68,69].…”

Section: A Steel and Stainless Steel Tubesmentioning

confidence: 99%

Concrete-Filled Tubular Column Made of Various Types of Material

Ling

Lim

Leong

et al. 2023

Journal of Civil Engineering

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Concrete-filled tubes (CFT) are gaining popularity due to their excellent performance under compression. Various materials have been used to produce CFTs. Their behavior varied significantly due to the properties of the materials. In this study, numerous articles related to CFT were reviewed. The effects of carbon steel, stainless steel, fibre-reinforced polymers (FRP), plastic materials, and various kinds of concrete on CFT were observed. The fundamental principles governing the behavior of CFT were then determined. The confinement effect of the tube was the key to the outstanding performance of CFT. CFT performed well when the tube had high compressive strength, elastic modulus, tensile strength, ultimate strain, and corrosion resistance. The concrete with high compressive strength and ultimate strain, as well as low elastic modulus and shrinkage, experienced greater strength enhancement under confinement. Nevertheless, confinement effectiveness was greatly affected by the slenderness ratio. Short CFT subjected primarily to axial loads was preferred.

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“…As an example, fly ash is a waste that is detrimental to the environment since it results in groundwater contamination, air pollution, and ailments in the human body [43]. Concrete strength tests are typically conducted between 3 and 28 days on samples of concrete [44][45][46][47]. The 28-day timeframe creates construction delays, although the consequences of ignoring the test would be minimal.…”

Section: Literature Reviewmentioning

confidence: 99%

A Systematic Review of the Research Development on the Application of Machine Learning for Concrete

Khan

Ahmad²,

Amin³

et al. 2022

Materials

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Research on the applications of new techniques such as machine learning is advancing rapidly. Machine learning methods are being employed to predict the characteristics of various kinds of concrete such as conventional concrete, recycled aggregate concrete, geopolymer concrete, fiber-reinforced concrete, etc. In this study, a scientometric-based review on machine learning applications for concrete was performed in order to evaluate the crucial characteristics of the literature. Typical review studies are limited in their capacity to link divergent portions of the literature systematically and precisely. Knowledge mapping, co-citation, and co-occurrence are among the most challenging aspects of innovative studies. The Scopus database was chosen for searching for and retrieving the data required to achieve the study’s aims. During the data analysis, the relevant sources of publications, relevant keywords, productive writers based on publications and citations, top articles based on citations received, and regions actively engaged in research into machine learning applications for concrete were identified. The citation, bibliographic, abstract, keyword, funding, and other data from 1367 relevant documents were retrieved and analyzed using the VOSviewer software tool. The application of machine learning in the construction sector will be advantageous in terms of economy, time-saving, and reduced requirement for effort. This study can aid researchers in building joint endeavors and exchanging innovative ideas and methods, due to the statistical and graphical portrayal of participating authors and countries.

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Concrete filled double steel tube columns incorporating UPVC pipes under uniaxial compressive load at ambient and elevated temperature

Cited by 7 publications

References 68 publications

Stay in Place Formwork, Encased Reinforced Concrete Column: A Review

Stay in Place Formwork, Encased Reinforced Concrete Column: A Review

Concrete-Filled Tubular Column Made of Various Types of Material

A Systematic Review of the Research Development on the Application of Machine Learning for Concrete

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