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Experimental study on the deterioration of groundwater environment in sand layers caused by cement grouting
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Hao-bo ZHENG, Zi-wei QIAN*, Chun-lu JIANG, Gai-ling ZHANG
China Environmental Science | 2026, 46(2) : 821 - 832
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China Environmental Science | 2026, 46(2): 821-832
• Water Pollution Control •
Experimental study on the deterioration of groundwater environment in sand layers caused by cement grouting
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Hao-bo ZHENG, Zi-wei QIAN*, Chun-lu JIANG, Gai-ling ZHANG
Affiliations
  • School of Resources and Earth Sciences, China University of Mining and Technology, Xuzhou 221008, China
Published: 2026-02-20
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A dynamic experimental system was employed to conduct long-term constant-flow leaching column tests, combined with water quality testing and hydrochemical analysis, and it was found that groundwater quality was significantly degraded by cement-based grouting materials. Excess ions (Ca2+, OH-, etc.) and liquid-phase products leached from the grouting body caused a marked rise in water pH and severe exceedances of water quality indicators such as total dissolved solids (TDS). This led to a significant increase in water hardness and alkalinity, enhanced its reducibility, and altered its hydrochemical type. Residual pollution from cement grouting resulted in severe disruption to the ion balance of the water body, and varying degrees of clustered deterioration in water quality were induced by different types of cement grouting. The hydration of silica-alumina phase clinker in cement, secondary hydration of added admixtures, and dissolution of controlled filler minerals were confirmed as the core driving factors causing grouting pollution.

slurry contamination  /  dissolution column test  /  leachate  /  time-varying water quality  /  hydrochemical analysis
郑浩博, 钱自卫, 姜春露, 张改玲. 水泥注浆引发砂层地下水环境劣化试验研究. 中国环境科学, 2026 , 46 (2) : 821 -832 .
Hao-bo ZHENG, Zi-wei QIAN, Chun-lu JIANG, Gai-ling ZHANG. Experimental study on the deterioration of groundwater environment in sand layers caused by cement grouting[J]. China Environmental Science, 2026 , 46 (2) : 821 -832 .
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Year 2026 volume 46 Issue 2
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  • Receive Date：2025-05-06
  • Online Date：2026-10-08
  • Published：2026-02-20
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  • Received：2025-05-06
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Affiliations
    School of Resources and Earth Sciences, China University of Mining and Technology, Xuzhou 221008, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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