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   Articles with "cfst" as a keyword



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Simulation analysis of the hydration heat of large diameter CFST arch and its effects on loading age

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recommendations! Published in 2019 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2019.01.022

Abstract: Abstract The hydration heat of pumped concrete in large diameter concrete-filled steel tube (CFST) arches results in considerable temperature changes, which significantly affect the development of the mechanical properties of concrete during its hardening process,… read more here.

Keywords: hydration heat; heat; large diameter; cfst ... See more keywords

Experimental and numerical study of flexural behavior of novel oil palm concrete filled steel tube exposed to elevated temperature

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recommendations! Published in 2018 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2018.09.032

Abstract: Oil palm boiler clinker (OPB) is a waste byproduct obtained at elevated temperature in an oil palm processing mill. Moreover, in recent years, Concrete filled steel tube (CFST) has been used widely in structures throughout… read more here.

Keywords: cfst; temperature; ratio; elevated temperature ... See more keywords
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Experimental investigation of the flexural behavior of CFST trusses with interfacial imperfection

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recommendations! Published in 2017 at "Journal of Constructional Steel Research"

DOI: 10.1016/j.jcsr.2017.06.009

Abstract: Abstract Concrete-filled steel tubular (CFST) trusses are widely used in bridge construction. Inadequate pumping of the concrete and other faults during construction and shrinkage of the concrete may cause interfacial imperfections such as debonding separation… read more here.

Keywords: depth separation; interfacial imperfections; cfst; cfst trusses ... See more keywords

Experimental study on joint resistance and failure modes of concrete filled steel tubular (CFST) truss girders

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recommendations! Published in 2018 at "Journal of Constructional Steel Research"

DOI: 10.1016/j.jcsr.2017.10.020

Abstract: Abstract Concrete Filled Steel Tubular (CFST) structures are increasingly used not only for columns in tall buildings but also in the arch trusses of many arch bridges and in the truss girders of buildings and… read more here.

Keywords: concrete filled; cfst; failure; geometry ... See more keywords

Behaviour of four-legged square CFST latticed members under lateral cyclic loading

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recommendations! Published in 2019 at "Journal of Constructional Steel Research"

DOI: 10.1016/j.jcsr.2019.01.018

Abstract: Abstract Four-leggedconcrete-filled steel tube (CFST) latticed members are extensively used as the piers, arch ribs and host towers of bridges. This paper aims to investigate the seismic behaviour of four-legged square CFST latticed members. A… read more here.

Keywords: cfst latticed; four legged; square cfst; latticed specimens ... See more keywords
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Structural behaviour of concrete-encased CFST box stub columns under axial compression

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recommendations! Published in 2019 at "Journal of Constructional Steel Research"

DOI: 10.1016/j.jcsr.2019.03.021

Abstract: Abstract The axial performance of a type of concrete-encased CFST box stub column, which consists of the outer reinforced concrete (RC) box column and six embedded CFST components, is investigated in this study. A total… read more here.

Keywords: concrete encased; axial compression; cfst; box ... See more keywords
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New empirical methods for predicting flexural capacity and stiffness of CFST beam

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recommendations! Published in 2020 at "Journal of Constructional Steel Research"

DOI: 10.1016/j.jcsr.2019.105778

Abstract: Abstract This paper presents new empirical methods to theoretically predict bending moment capacity (Mu) and flexural stiffness values at the initial and serviceability levels (Ki and Ks) of concrete-filled steel tube (CFST) composite beams. A… read more here.

Keywords: cfst; stiffness; capacity; methods predicting ... See more keywords
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Application on bending performance of annular concrete-filled steel tube stent

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recommendations! Published in 2020 at "Journal of Constructional Steel Research"

DOI: 10.1016/j.jcsr.2020.105984

Abstract: Abstract Concrete filled steel tube (CFST) stent applied in the actual project is composed of four arc CFST arches with casting. By monitoring the uniform loading deformation of CFST arches mounted on the arc middle… read more here.

Keywords: concrete filled; cfst; filled steel; steel tube ... See more keywords
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Depth detection of subsurface voids in concrete-filled steel tubular (CFST) structure using percussion and decision tree

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recommendations! Published in 2020 at "Measurement"

DOI: 10.1016/j.measurement.2020.107869

Abstract: Abstract The void defects significantly threaten the integrity of concrete-filled steel tubular (CFST) structure. Along with detecting the presence of subsurface voids, the knowledge of the geometry of voids can provide meaningful information to determine… read more here.

Keywords: subsurface voids; concrete filled; cfst; subsurface ... See more keywords
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Experimental and parametric investigation on elastoplastic seismic response of CFST battened built-up columns

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recommendations! Published in 2021 at "Soil Dynamics and Earthquake Engineering"

DOI: 10.1016/j.soildyn.2021.106726

Abstract: Abstract Previous studies have proven that CFST (concrete-filled steel tube) battened built-up columns (CFST-BBCs) exhibit good hysteresis energy dissipation capacity and deformation capacity under lateral cyclic repeated loading. To further understand the elastoplastic seismic response… read more here.

Keywords: response cfst; cfst bbc; seismic response; cfst ... See more keywords
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Experimental study on seismic performance of latticed CFST-RC column connected with RC web

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recommendations! Published in 2017 at "Thin-walled Structures"

DOI: 10.1016/j.tws.2017.11.043

Abstract: Abstract CFST-RC column is modified from CFST laced column in which CFST members are connected with RC web instead of steel bracings. The CFST-RC column has excellent static and earthquake resistant properties, such as high… read more here.

Keywords: cfst; column; experimental study; cfst column ... See more keywords