Chapter
Jul 11, 2012
Study on Bond Behavior of Magnesium and Potassium Phosphate Cement Matrix with Glass Fiber Bundle
Authors: Zhenghong Tian [email protected], Jianming Yang, and Jingwu BuAuthor Affiliations
Publication: Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
Bond behaviors of magnesium and potassium phosphate cement (MKPC) matrix with glass fiber bundle (GFB) were investigated through measuring pullout forces of GFB. Test results showed that, the self-made inorganic adhesive could permeate into glass fibrils well and rectified damage weakness possessed by fiber, pullout force of GFB which was dipped self-made inorganic adhesive added in some magnesium oxide (MgO) powders was greatly improved due to chemical reaction between MgO powders and phosphate in MKPC matrix. Fluidity of MKPC paste mixed proper water glass would be improved, and compressive strength of MKPC paste added in some fly ash would be reinforced, amorphous hydrates would increase in both of the concretion, the microstructure would be more compact and the pullout force of GFB was greatly improved as well. Minimum embedded length of GFB existed achieved its maximum pullout force which could guarantee the tension strength of GFB bonding with MKPC matrix reached maximum.
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Published In
Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Pages: 753 - 762
Copyright
© 2012 American Society of Civil Engineers.
History
Published online: Jul 11, 2012
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Authors
Affiliations
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, P.O. Box 210098, Nanjing, P. R. China; College of Water Conservancy and Hydropower Engineering, Hohai University, P.O. Box 210098, Nanjing P.R. China. E-mail: [email protected]
Jianming Yang
Key Laboratory for Ecological-Environment Materials of Jiangsu Province, Yancheng institute of technology, Yancheng, P.O. Box 224051, PR China
Jingwu Bu
College of Water Conservancy and Hydropower Engineering, Hohai University, P.O. Box 210098, Nanjing P.R. China
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