Preparation and properties of alkali activated foam cement reinforced with polypropylene fibers |
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| Authors: | Lijiu?Wang Email author" target="_blank">Xiaoqian?TanEmail author |
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| Affiliation: | (1) Department of Civil Engineering, Thapar University, Patiala, 147004, India;(2) Structural Engineering, Center of Excellence for Concrete Research and Testing College of Engineering, King Saud University, Riyadh, 11421, Saudi Arabia |
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| Abstract: | A new form of foam cement was produced by mixing alkali-activated slag, clay, a small amount of polypropylene fibers with
prepared foam during stirring. The preparation of the material is quite different from the normal one, which is produced just
at room temperature and without baking. The fabrication of this energy-saving and low-price material can be favorable for
lowering carbon emission by using recycled industrial wastes. Thermal conductivity of 0.116 W/(m·k), compressive strength
of 3.30 MPa, flexural strength of 0.8 MPa and density of 453 kg/m3 can be achieved after 28 days aging. The hydration product is C-S-H with less Ca(OH)2, calcium aluminum and zeolite, which was characterized by X-ray diffraction(XRD) measurement. This prospective foam cement
may be expected to be an excellent economical energy-saving building material. |
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| Keywords: | foaming agent alkaline cement polypropylene fiber strength thermal conductivity |
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