Behavior of Reinforced Lightweight Aggregate Concrete-filled Circular Steel Tube Columns Under Axial Loading

AL-Eliwi, Baraa J.M.; Ekmekyapar, Talha; AL-Samaraie, Mohanad Ia.; Doğru, M. Hanifi

doi:10.1016/j.istruc.2018.09.001

Cited by 39 publications

(12 citation statements)

References 36 publications

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“…It is evident from their post peak behavior (softening curve) which comes steeper compared to normal concrete. Study by AL‐Eliwi et al 91 showed that longitudinal reinforcement helps to improve the load carrying capacity and ductility of LACFST columns. Similar effects were observed by increasing the confinement ratio by using higher steel ratios 68 .…”

Section: Materials For Cft Columnsmentioning

confidence: 99%

A review on the performance of concrete filled tubular columns under axial compression: Emphasis on geometrical parameters and various concrete infills and encasings

Rohilla,

Gupta

2023

Structural Design Tall Build

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SummaryThis paper summarizes the literature available on the behavior of concrete‐filled steel tubular (CFST) columns to evaluate the effect of geometrical properties such as shape of cross‐section, diameter‐to‐thickness ratio, and length‐to‐diameter ratio of CFST columns under axial loading. Then, the impact of different material composition for core concrete and encasing material is concluded for columns under axial loading. The performance of CFST is evaluated in terms of failure modes, ductility, stiffness, and axial compressive strength. For encasing tube, carbon steel, stainless steel, and aluminum are studied while for core, various concretes such as Normal (NSC) and high strength concrete (HSC), light weight concrete (LWC), recycled aggregate concrete (RAC), expansive concrete (EC), rubber crumb concrete(RuCC), and steel slag concrete (SSC) are covered for review in this paper. Material limitations as provided by various codes for design of composite structures is also mentioned for both tube and core concrete. Failure modes of concrete‐filled tubular(CFT) columns are most affected by geometric properties columns while materials used for concrete and encasing tube do not cause much difference. Though, ductility, axial compressive strength, and stiffness are affected by both geometric and material properties.

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Section: Materials For Cft Columnsmentioning

confidence: 99%

A review on the performance of concrete filled tubular columns under axial compression: Emphasis on geometrical parameters and various concrete infills and encasings

Rohilla,

Gupta

2023

Structural Design Tall Build

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“…Penelitian yang membandingkan kinerja hollow steel tube (HST) dengan CFST telah dilakukan berupa eksperimen terhadap specimen (AL-Eliwi et al, 2018) (Zand, et al, 2017. Eksperimen oleh Zand et.…”

Section: Pendahuluanunclassified

Penggunaan Kolom Concrete Filled Steel Tube Pada Lantai Dua Rumah Tinggal

Yovita

2021

rumoh

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Concrete Filled Steel Tube (CFST) adalah pipa besi yang diisi dengan beton dan merupakan salah satu material alternatif untuk struktur bangunan sederhana. Disaat penggunaan baja Wide Flange (WF) dirasa melewati anggaran yang dibatasi oleh pemilik bangunan maka penggunaan kolom CFST bisa dijadikan pilihan. Pada pembangunan sebuah rumah tinggal dua lantai di daerah Bandung, pemilik bangunan dan kontraktor memutuskan untuk menggunakan material alternatif ini untuk mengurangi biaya konstrusi yang dibutuhkan. Kolom lantai dua dari bangunan ini menggunakan CFST sedangkan lantai dasar menggunakan baja Wide Flange (WF). Penelitian ini bertujuan untuk mengamati proses dilakukannya eksperimen penerapan kolom CFST pada bangunan rumah tinggal dua lantai tersebut. Keputusan membangun menggunakan kombinasi material ini telah dilakukan setelah melalui diskusi oleh pemilik, arsitek dan kontraktor. Penerapan kolom CFST pada bangunan rumah tinggal ini dilakukan dengan material pipa besi kotak ber SNI denan ukuran 10 cm x 10 cm dengan ketinggian 3 meter. Pengisian beton di dalam besi dilakukan dengan memadatkan campuran semen K225 dengan material konstruksi terbaik yang ada di wilayah pembangunan. Modul struktur yang digunakan adalah 3 m x 3 m dengan metode konstrusi menggunakan teknik sederhana yaitu menyambung kedua material dengan plat dan sambungan pengelasan. Plat baja yang digunakan berukuran 15x30 cm juga diberi angkur berukuran sama. Pekerjaan kolom CFST ini tidak memerlukan bekisting sehingga dapat menghemat waktu dan tenaga kerja. Pada tahap finishing arsitektural pekerjaan juga menjadi lebih mudah karena dimensi kolom CFST berukuran sama dengan batu bata dinding pengisi. Hasil penelitian menunjukkan penerapan kolom CFST pada rumah tinggal ini terbukti dapat dilaksanakan lebih cepat dan murah dibandingkan penggunaan material bangunan rumah tinggal konvensional.

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“…As it is well known, the RACFST structure was proposed based on concrete-filled steel tube (CFST) structure, and the research of CFST structure was expanded to the RACFST structure. Al-Eliwi et al studied the axial compression performance of the reinforced lightweight aggregate concrete-filled circular steel tube columns and found that the existence of steel-bar reinforcement improved the bearing capacity, ductility and toughness of the columns [5]. Nabati et al conducted the axial compression test on the CFRPreinforced concrete-filled steel tubes and they found that the bearing capacity mainly depended on the grade of concrete and steel used in the composite column [6].…”

Section: State Of the Artmentioning

confidence: 99%

Seismic Behavior Analysis of Recycled Aggregate Concrete-filled Steel Tube Column

Zhang¹,

Wang²,

Gao³

2019

JESTR

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To investigate the seismic behavior of recycled aggregate concrete-filled circular steel tube (C-RACFST), twenty-three full-scale specimens were tested by changing the design parameters. Seismic behavior indices, such as hysteresis curve, skeleton curve, ductility coefficient, and energy dissipation capacity were analyzed and the influence rules of design parameters on seismic behavior index were revealed. Results show that it is feasible to apply C-RACFST to the actual load-bearing structure based on the seismic behavior index requirements. With the increase of the steel ratio, the hysteresis curve become plumper, and the peak-bearing capacity and displacement ductility coefficient increase. With the increase of the axial compression ratio, the peak-bearing capacity and ductility decrease and the energy dissipation coefficient of each specimen increases gradually under the same cycle displacement. The conclusions obtained in the study are of reference value to direct the similar engineering.

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Behavior of Reinforced Lightweight Aggregate Concrete-filled Circular Steel Tube Columns Under Axial Loading

Cited by 39 publications

References 36 publications

A review on the performance of concrete filled tubular columns under axial compression: Emphasis on geometrical parameters and various concrete infills and encasings

A review on the performance of concrete filled tubular columns under axial compression: Emphasis on geometrical parameters and various concrete infills and encasings

Penggunaan Kolom Concrete Filled Steel Tube Pada Lantai Dua Rumah Tinggal

Seismic Behavior Analysis of Recycled Aggregate Concrete-filled Steel Tube Column

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