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A platform for research: civil engineering, architecture and urbanism
Experimental Investigation of High-Strength Lightweight Concrete Using Fly Ash Cenospheres
Hollow microspheres (cenospheres) from fly ash possess a hollow spherical shape, watertight, with a particle density less than water (<1 g/cm3). In this study, cenospheres were used as a partial and full replacement of sand as a lightweight aggregate for making high-strength lightweight concrete (HSLWC). Besides, some mechanical properties of the HSLWC including density, compressive strength, flexural strength, water absorption were investigated taken into account the effects of different sand/cenospheres ratios. The experimental results showed that with the density in the range of 1312–1782 kg/m3, the HSLWC attained excellent mechanical properties, i.e. specific strength (ratio of compressive strength to density) of 36–40.8 kPa/kgm−3, compressive strength of 54.3–64.1 MPa, flexural strength of 7.6–9.2 MPa at the age of 28 days.
Experimental Investigation of High-Strength Lightweight Concrete Using Fly Ash Cenospheres
Hollow microspheres (cenospheres) from fly ash possess a hollow spherical shape, watertight, with a particle density less than water (<1 g/cm3). In this study, cenospheres were used as a partial and full replacement of sand as a lightweight aggregate for making high-strength lightweight concrete (HSLWC). Besides, some mechanical properties of the HSLWC including density, compressive strength, flexural strength, water absorption were investigated taken into account the effects of different sand/cenospheres ratios. The experimental results showed that with the density in the range of 1312–1782 kg/m3, the HSLWC attained excellent mechanical properties, i.e. specific strength (ratio of compressive strength to density) of 36–40.8 kPa/kgm−3, compressive strength of 54.3–64.1 MPa, flexural strength of 7.6–9.2 MPa at the age of 28 days.
Experimental Investigation of High-Strength Lightweight Concrete Using Fly Ash Cenospheres
Lecture Notes in Civil Engineering
Ha-Minh, Cuong (editor) / Tang, Anh Minh (editor) / Bui, Tinh Quoc (editor) / Vu, Xuan Hong (editor) / Huynh, Dat Vu Khoa (editor) / Hung, L. V. (author) / Tuan, N. V. (author) / Thanh, L. T. (author)
CIGOS 2021, Emerging Technologies and Applications for Green Infrastructure ; Chapter: 64 ; 637-645
2021-10-28
9 pages
Article/Chapter (Book)
Electronic Resource
English
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