The application of coated superabsorbent polymer in well cement for plugging the microcrack
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- 作者：Huajie Liua ; liuhuajieupc@163.com" class="auth_mail" title="E-mail the corresponding author ; Yuhuan Bua ; buyuhuan@163.com" class="auth_mail" title="E-mail the corresponding author ; Jay G. Sanjayanb ; Ali Nazarib ; Zhonghou Shena
- 关键词：Well cement ; Coated SAP ; Percolation theory ; Plugging microcrack
- 刊名：Construction and Building Materials
- 出版年：2016
- 出版时间：1 February 2016
- 年：2016
- 卷：104
- 期：Complete
- 页码：72-84
- 全文大小：4518 K
文摘
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SAP has adverse effects on the pumpability, strength and integrity of cement.
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Gypsum–chitosan–gypsum coated SAP is used in well cement to plug the microcrack.
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Percolation theory is taken to calculate the dosage of coated SAP.
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Results show that successful plugging of microcrack is achieved.