Flexural behavior of seawater sea-sand concrete short beams reinforced with bamboo sheet

Xue, Xiao; Li, Haitao; Sayed, Usama; Corbi, Ottavia; Adjei, Patrick; Feng, Zixian; Wang, Ziang

doi:10.1016/j.jobe.2023.107274

Journal of Building Engineering

2023

DOI: 10.1016/j.jobe.2023.107274

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Flexural behavior of seawater sea-sand concrete short beams reinforced with bamboo sheet

Xiao Xue

Haitao Li

Usama Sayed

et al.

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Cited by 4 publications

References 22 publications

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Flexural performance of bamboo fiber‐reinforced concrete mixed with seawater and sea sand

Li,

Feng,

Sayed

et al. 2024

Structural Concrete

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In the face of the huge consumption of fresh water and river sand by the concrete industry and the poor flexural performance of plain concrete, it is theoretically feasible and environmentally friendly to use bamboo fiber as a replacement to reinforce concrete mixed with seawater and sea sand. In this research, taking the volume fraction (0.6%, 1.2%, and 2.4%), aspect ratio (10, 20, and 30) and diameter (1.0, 1.5, and 2.0 mm) of bamboo fibers as parameters, 15 groups of bamboo fiber‐reinforced concrete (BFRC) prisms and one control group of plain seawater sea sand concrete prisms were subjected to four‐point bending test, followed by analyzing the crack pattern, ultimate load, mid‐span deflection and strain. Under the condition of 1.2% volume fraction, 20 aspect ratio, 1.5 mm diameter, and 30 mm length, the maximum increase rate of flexural strength in this research was obtained, and then it was compared with that of flexural strength of concrete prisms reinforced by various natural fibers. In addition, relevant fitting equations and theoretical calculation formulas were derived, laying a foundation for the subsequent research and application of BFRC.

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Flexural performance of bamboo fiber‐reinforced concrete mixed with seawater and sea sand

Li,

Feng,

Sayed

et al. 2024

Structural Concrete

View full text Add to dashboard Cite

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Experimental and theoretical investigation on bond performance between surface-modified bamboo scrimber bars and concrete

Wu,

Wei,

Chen

et al. 2024

Journal of Building Engineering

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Application of variable-height beams with wooden sub-rafter elements in the roof structures of industrial buildings

Shishov,

Lisyatnikov,

Lukin

et al. 2023

E3S Web Conf.

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The investigation pertains to the coating utilized in single-story industrial buildings. Frame constructions with spans of 24, 30, and 36 meters are examined, employing wood-based elements as rafter structures. The reinforced concrete rafter structures exhibit a pitch of 2-3 meters and are configured in the shape of an I-beam. The truss structures along their length are subdivided into seven sections, featuring variable lengths, flange widths, rib thicknesses, and cross-section heights. Deflection calculations consider the nonlinearity of concrete and reinforcement deformations, adhering to prevailing building codes. The elastic solutions method is employed in conjunction with the finite difference method. The proposed coating designs are distinguished by their ease of manufacturing, transportation, and element installation. The wood-composite rafter structure boasts a lower mass compared to reinforced concrete elements, facilitating installation with a lightweight crane and overall diminishing the coating's weight without compromising its structural integrity. Several beam characteristics for spans of 24, 30, and 36 meters include respective mid-span heights of 1.2 meters, 1.4 meters, and 1.5 meters; volumes of 8.23 cubic meters, 9.25 cubic meters, and 10.6 cubic meters; and weights of 19.8 tons, 22.2 tons, and 25.4 tons. The proposed solution allows for the integration of bending moment and stiffness diagrams for the rafter beam configuration.

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Flexural behavior of seawater sea-sand concrete short beams reinforced with bamboo sheet

Cited by 4 publications

References 22 publications

Flexural performance of bamboo fiber‐reinforced concrete mixed with seawater and sea sand

Flexural performance of bamboo fiber‐reinforced concrete mixed with seawater and sea sand

Experimental and theoretical investigation on bond performance between surface-modified bamboo scrimber bars and concrete

Application of variable-height beams with wooden sub-rafter elements in the roof structures of industrial buildings

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