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A platform for research: civil engineering, architecture and urbanism
Phosphogypsum road base water stabilizing material and construction method thereof
The invention discloses an ardealite road base water stabilizing material and a construction method thereof, and the ardealite road base water stabilizing material comprises the following components in parts by weight: 300-2000 parts of calcined ardealite, 300-2000 parts of cement clinker, 50-500 parts of limestone, 1-10 parts of a toughening agent, 10-200 parts of a high-strength water-resistant agent, 50-100 parts of sodium bentonite, and 1-10 parts of glass fiber. The high-strength water-resistant agent is formed by adding magnesium chloride, magnesium oxide and dimethylchlorosilane in a ratio of 1: 1: (0.05-0.5), and the flexibilizer is formed by mixing polyvinyl alcohol and EVA in a ratio of 1: (0.5-1). The water stabilizing material produced by using the building gypsum calcined from the industrial byproduct phosphogypsum as the raw material is high in water resistance, compressive strength and surface hardness, and can resist cracking caused by expansion; road construction is carried out after premixing on a construction site, the coagulation time meets the construction requirement, the concentration of water-soluble fluorine ions on the road surface is smaller than 3.50 mg/L, water-soluble phosphorus pentoxide is not detected, and liquid leached under rain wash is free of pollution to the environment. The maximum resource utilization of the ardealite is realized.
本发明公开了一种磷石膏道路基层水稳料及其施工方法，按重量份数计，包括煅烧磷石膏300~2000份，水泥熟料300~2000份，石灰石50~500份，增韧剂1~10份，高强耐水剂10~200份、钠基膨润土50~100份、玻璃纤维1~10份；所述高强耐水剂为氯化镁、氧化镁、二甲基氯硅烷以1：1:0.05~0.5添加，所述增韧剂为聚乙烯醇和EVA以1:0.5~1混合而成。本发明利用工业副产磷石膏煅烧的建筑石膏作为原料生产的水稳料耐水性强、抗压强度和表面硬度高、抗膨胀引起的开裂；在施工现场预拌后进行道路施工，凝结时间满足施工要求，道路面水溶性氟离子浓度小于3.50mg/L，水溶性五氧化二磷未检出，在雨水冲刷下浸出的液体对环境无污染，本发明的水稳料使得固体废弃物得以工程化批量消纳，实现了磷石膏的最大资源化利用。
Phosphogypsum road base water stabilizing material and construction method thereof
The invention discloses an ardealite road base water stabilizing material and a construction method thereof, and the ardealite road base water stabilizing material comprises the following components in parts by weight: 300-2000 parts of calcined ardealite, 300-2000 parts of cement clinker, 50-500 parts of limestone, 1-10 parts of a toughening agent, 10-200 parts of a high-strength water-resistant agent, 50-100 parts of sodium bentonite, and 1-10 parts of glass fiber. The high-strength water-resistant agent is formed by adding magnesium chloride, magnesium oxide and dimethylchlorosilane in a ratio of 1: 1: (0.05-0.5), and the flexibilizer is formed by mixing polyvinyl alcohol and EVA in a ratio of 1: (0.5-1). The water stabilizing material produced by using the building gypsum calcined from the industrial byproduct phosphogypsum as the raw material is high in water resistance, compressive strength and surface hardness, and can resist cracking caused by expansion; road construction is carried out after premixing on a construction site, the coagulation time meets the construction requirement, the concentration of water-soluble fluorine ions on the road surface is smaller than 3.50 mg/L, water-soluble phosphorus pentoxide is not detected, and liquid leached under rain wash is free of pollution to the environment. The maximum resource utilization of the ardealite is realized.
本发明公开了一种磷石膏道路基层水稳料及其施工方法，按重量份数计，包括煅烧磷石膏300~2000份，水泥熟料300~2000份，石灰石50~500份，增韧剂1~10份，高强耐水剂10~200份、钠基膨润土50~100份、玻璃纤维1~10份；所述高强耐水剂为氯化镁、氧化镁、二甲基氯硅烷以1：1:0.05~0.5添加，所述增韧剂为聚乙烯醇和EVA以1:0.5~1混合而成。本发明利用工业副产磷石膏煅烧的建筑石膏作为原料生产的水稳料耐水性强、抗压强度和表面硬度高、抗膨胀引起的开裂；在施工现场预拌后进行道路施工，凝结时间满足施工要求，道路面水溶性氟离子浓度小于3.50mg/L，水溶性五氧化二磷未检出，在雨水冲刷下浸出的液体对环境无污染，本发明的水稳料使得固体废弃物得以工程化批量消纳，实现了磷石膏的最大资源化利用。
Phosphogypsum road base water stabilizing material and construction method thereof
一种磷石膏道路基层水稳料及其施工方法
SHEN WEIXIAN (author) / QIAO RONGYAN (author) / ZHENG BIN (author) / MA YONGMING (author) / HE JIANLIN (author) / WANG LI (author) / WANG BIN (author) / ZHANG JIANTAO (author) / HE LIANG (author) / HE QINQIN (author)
2024-07-09
Patent
Electronic Resource
Chinese
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