The influence of sulfonated asphalt on the mechanical properties and microstructure of oil well cement paste

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• 作者：Chunmei Zhang^a ; Yulong Song^a ; Wei Wang^a ; Xiaoyang Guo^b ; ^{guoxiaoyangswpu@126.com} ; Hui Li^a
• 关键词：Sulfonated asphalt ; Oil well cement paste ; Mechanical properties ; Toughness ; Micro-morphology ; Porous structure
• 刊名：Construction and Building Materials
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：132
• 期：Complete
• 页码：438-445
• 全文大小：3465 K
• 卷排序：132

文摘

The level 2–3% of sulfonated asphalt improves the toughness of oil well cement paste. Sulfonated asphalt has some retarding effect on oil well slurry. The toughening mechanism of elastic asphalt particles is proposed. The mechanism depends on crack bending and deflection.