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A platform for research: civil engineering, architecture and urbanism
Cemented sand gravel mud-blocking agent and cemented sand gravel mixture
The invention discloses a cemented sand gravel mud-blocking additive and a cemented sand gravel mixture, and belongs to the technical field of cementing materials. The mud-blocking additive disclosedby the invention takes a quaternary ammonium salt polymer as a main component and can be combined with active sites on the surface of soil in sand gravel to form a hydrophobic protective layer, and meanwhile, the adsorption of the surface of the soil to other additives (such as a water reducing agent and an air entraining agent) is reduced, so that the other additives can fully exert respective effects without being influenced by the soil. Meanwhile, composite organic phosphate is added and can react with clay in water to form a complex, so that the anti-mud effect is achieved, and the influence of the mud content on the polycarboxylate water reducing agent is further reduced. Besides, pentasodium phosphate is used as a soil dispersing agent, polyethylene glycol is used as a soil adsorbent, and ethylenediamine tetraacetic acid is used as a retarder, so that the dispersity, workability and the like of the material added into the cemented sand gravel can be fully ensured.
本发明公开了一种胶结砂砾石阻泥型外加剂以及胶结砂砾石拌合物，属于胶结材料技术领域。本发明的阻泥型外加剂以季铵盐聚合物为主要成分，其能够与砂砾石中泥土表面的活性位点结合并且形成一层疏水保护层，与此同时减少泥土表面对其它外加剂(如减水剂、引气剂)的吸附，使得其他外加剂可以不受泥土影响而充分发挥各自效果。同时本发明添加有复合有机磷酸盐，其能够与水中粘土反应而形成络合物，从而达到抗泥效果，进一步减少含泥量对聚羧酸减水剂的影响。此外，本发明还以磷酸五钠作为泥土分散剂、以聚乙二醇作为泥土吸附剂、以乙二胺四乙酸为缓凝剂，能充分确保添加到胶结砂砾石料中材料的分散性、和易性等。
Cemented sand gravel mud-blocking agent and cemented sand gravel mixture
The invention discloses a cemented sand gravel mud-blocking additive and a cemented sand gravel mixture, and belongs to the technical field of cementing materials. The mud-blocking additive disclosedby the invention takes a quaternary ammonium salt polymer as a main component and can be combined with active sites on the surface of soil in sand gravel to form a hydrophobic protective layer, and meanwhile, the adsorption of the surface of the soil to other additives (such as a water reducing agent and an air entraining agent) is reduced, so that the other additives can fully exert respective effects without being influenced by the soil. Meanwhile, composite organic phosphate is added and can react with clay in water to form a complex, so that the anti-mud effect is achieved, and the influence of the mud content on the polycarboxylate water reducing agent is further reduced. Besides, pentasodium phosphate is used as a soil dispersing agent, polyethylene glycol is used as a soil adsorbent, and ethylenediamine tetraacetic acid is used as a retarder, so that the dispersity, workability and the like of the material added into the cemented sand gravel can be fully ensured.
本发明公开了一种胶结砂砾石阻泥型外加剂以及胶结砂砾石拌合物，属于胶结材料技术领域。本发明的阻泥型外加剂以季铵盐聚合物为主要成分，其能够与砂砾石中泥土表面的活性位点结合并且形成一层疏水保护层，与此同时减少泥土表面对其它外加剂(如减水剂、引气剂)的吸附，使得其他外加剂可以不受泥土影响而充分发挥各自效果。同时本发明添加有复合有机磷酸盐，其能够与水中粘土反应而形成络合物，从而达到抗泥效果，进一步减少含泥量对聚羧酸减水剂的影响。此外，本发明还以磷酸五钠作为泥土分散剂、以聚乙二醇作为泥土吸附剂、以乙二胺四乙酸为缓凝剂，能充分确保添加到胶结砂砾石料中材料的分散性、和易性等。
Cemented sand gravel mud-blocking agent and cemented sand gravel mixture
一种胶结砂砾石阻泥型剂以及胶结砂砾石拌合物
JIA JINSHENG (author) / LI SHUGUANG (author) / ZHENG CUIYING (author) / HAN RUIKUN (author) / SHI WANLI (author) / JIA BAOZHEN (author)
2020-10-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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