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A platform for research: civil engineering, architecture and urbanism
Underwater concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses underwater concrete and a preparation method thereof. The underwater concrete is prepared from the following raw materials in parts by weight: cement, sand, gravels, water, a flocculating agent, a water reducing agent and modified composite fibers, the modified composite fiber is prepared by the following method: weighing basalt fiber and polyurethane fiber, and mixing to obtain composite fiber; weighing a chitosan film solution, and spraying the chitosan film solution on the surface of the composite insecticidal powder to prepare coated micro powder; placing the coating micro powder on the surface of the composite fiber, stirring and and mixing, and drying to obtain a modified composite fiber; the preparation method of the underwater concrete comprises the following steps: weighing the cement, the sand, the gravel and the water, mixing and stirring to obtain a mixture; weighing a flocculating agent, a water reducing agent, the modified composite fiber and the mixture, mixing and stirring, and curing to obtain the underwater concrete. The product has the advantage that the strength of the underwater concrete is prevented from being influenced by penetrating transverse cracks on the surface and in the concrete.
本申请涉及混凝土领域，具体公开了一种水下混凝土及其制备方法；所述水下混凝土由包含以下重量份的原料制成：水泥、砂、碎石、水、絮凝剂、减水剂、改性复合纤维；改性复合纤维采用如下方法制备而成：称取玄武岩纤维、聚氨基甲酸酯纤维混合后制得复合纤维；称取壳聚糖膜液喷涂在复合杀虫粉表面，制得包膜微粉；将包膜微粉置于复合纤维表面，经搅拌混合后烘干制得改性复合纤维；水下混凝土的制备方法为：称取水泥、砂、碎石、水混合搅拌后制得混合料；称取絮凝剂、减水剂、改性复合纤维和混合料混合搅拌后，经养护制得水下混凝土；具有避免混凝土表面和内部出现贯穿的横向裂缝，影响水下混凝土的强度的优点。
Underwater concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses underwater concrete and a preparation method thereof. The underwater concrete is prepared from the following raw materials in parts by weight: cement, sand, gravels, water, a flocculating agent, a water reducing agent and modified composite fibers, the modified composite fiber is prepared by the following method: weighing basalt fiber and polyurethane fiber, and mixing to obtain composite fiber; weighing a chitosan film solution, and spraying the chitosan film solution on the surface of the composite insecticidal powder to prepare coated micro powder; placing the coating micro powder on the surface of the composite fiber, stirring and and mixing, and drying to obtain a modified composite fiber; the preparation method of the underwater concrete comprises the following steps: weighing the cement, the sand, the gravel and the water, mixing and stirring to obtain a mixture; weighing a flocculating agent, a water reducing agent, the modified composite fiber and the mixture, mixing and stirring, and curing to obtain the underwater concrete. The product has the advantage that the strength of the underwater concrete is prevented from being influenced by penetrating transverse cracks on the surface and in the concrete.
本申请涉及混凝土领域，具体公开了一种水下混凝土及其制备方法；所述水下混凝土由包含以下重量份的原料制成：水泥、砂、碎石、水、絮凝剂、减水剂、改性复合纤维；改性复合纤维采用如下方法制备而成：称取玄武岩纤维、聚氨基甲酸酯纤维混合后制得复合纤维；称取壳聚糖膜液喷涂在复合杀虫粉表面，制得包膜微粉；将包膜微粉置于复合纤维表面，经搅拌混合后烘干制得改性复合纤维；水下混凝土的制备方法为：称取水泥、砂、碎石、水混合搅拌后制得混合料；称取絮凝剂、减水剂、改性复合纤维和混合料混合搅拌后，经养护制得水下混凝土；具有避免混凝土表面和内部出现贯穿的横向裂缝，影响水下混凝土的强度的优点。
Underwater concrete and preparation method thereof
一种水下混凝土及其制备方法
PAN JINLI (author) / PAN JINKUN (author) / XU ZHEN (author)
2021-05-28
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Underwater shrinkage-free concrete and preparation method thereof
| European Patent Office | 2023