Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Composite admixture for marine silt stratum grouting slurry and preparation method of composite admixture
The invention relates to the technical field of additive composite materials, and particularly discloses a composite additive for marine silt stratum grouting slurry and a preparation method of the composite additive. The invention relates to a composite admixture for grouting slurry of a marine silt stratum. The composite admixture comprises the following components in parts by weight: 1.5-2 parts of a water reducing agent; 3-5 parts of an anti-permeability agent; 5-8 parts of magnesium oxide; 0.1 to 0.3 part of hydroxypropyl methyl cellulose; 0.05 to 0.15 part of sodium dodecyl benzene sulfonate; 3 to 6 parts of sodium hexametaphosphate; 0.6 to 1.2 parts of modified polypropylene fiber; the modified polypropylene fiber is prepared by the following steps: S1, taking a polypropylene fiber raw material, ultrasonically cleaning with acetone, drying, sequentially dipping with an ethanol solution and a calcium chloride solution, washing with water, and drying to obtain pretreated polypropylene fiber; and S2, coating the surface of the pretreated polypropylene fiber with a silane coupling agent, and spraying polyacrylamide and active silicate powder to obtain the modified polypropylene fiber. The composite admixture for the marine silt stratum grouting slurry can effectively restrain the expansion of microcracks under the corrosion of a marine environment.
本申请涉及外加剂复合材料技术领域，具体公开了一种海积淤泥地层注浆浆液用复合外加剂及其制备方法。一种海积淤泥地层注浆浆液用复合外加剂，包含以下重量份的组分：减水剂1.5‑2份；抗渗剂3‑5份；氧化镁5‑8份；羟丙基甲基纤维素0.1‑0.3份；十二烷基苯磺酸钠0.05‑0.15；六偏磷酸钠3‑6份；改性聚丙烯纤维0.6‑1.2份；所述改性聚丙烯纤维通过如下步骤制备获得：S1、取聚丙烯纤维原料，用丙酮超声清洗后烘干，再依次经过乙醇溶液、氯化钙溶液浸渍后，水洗烘干，得到预处理聚丙烯纤维；S2、在预处理聚丙烯纤维表面涂覆硅烷偶联剂后，喷涂聚丙烯酰胺和活性硅酸盐粉料，即可获得。本申请的海积淤泥地层注浆浆液用复合外加剂，在海洋环境的侵蚀下能有效遏制微裂缝的扩展。
Composite admixture for marine silt stratum grouting slurry and preparation method of composite admixture
The invention relates to the technical field of additive composite materials, and particularly discloses a composite additive for marine silt stratum grouting slurry and a preparation method of the composite additive. The invention relates to a composite admixture for grouting slurry of a marine silt stratum. The composite admixture comprises the following components in parts by weight: 1.5-2 parts of a water reducing agent; 3-5 parts of an anti-permeability agent; 5-8 parts of magnesium oxide; 0.1 to 0.3 part of hydroxypropyl methyl cellulose; 0.05 to 0.15 part of sodium dodecyl benzene sulfonate; 3 to 6 parts of sodium hexametaphosphate; 0.6 to 1.2 parts of modified polypropylene fiber; the modified polypropylene fiber is prepared by the following steps: S1, taking a polypropylene fiber raw material, ultrasonically cleaning with acetone, drying, sequentially dipping with an ethanol solution and a calcium chloride solution, washing with water, and drying to obtain pretreated polypropylene fiber; and S2, coating the surface of the pretreated polypropylene fiber with a silane coupling agent, and spraying polyacrylamide and active silicate powder to obtain the modified polypropylene fiber. The composite admixture for the marine silt stratum grouting slurry can effectively restrain the expansion of microcracks under the corrosion of a marine environment.
本申请涉及外加剂复合材料技术领域，具体公开了一种海积淤泥地层注浆浆液用复合外加剂及其制备方法。一种海积淤泥地层注浆浆液用复合外加剂，包含以下重量份的组分：减水剂1.5‑2份；抗渗剂3‑5份；氧化镁5‑8份；羟丙基甲基纤维素0.1‑0.3份；十二烷基苯磺酸钠0.05‑0.15；六偏磷酸钠3‑6份；改性聚丙烯纤维0.6‑1.2份；所述改性聚丙烯纤维通过如下步骤制备获得：S1、取聚丙烯纤维原料，用丙酮超声清洗后烘干，再依次经过乙醇溶液、氯化钙溶液浸渍后，水洗烘干，得到预处理聚丙烯纤维；S2、在预处理聚丙烯纤维表面涂覆硅烷偶联剂后，喷涂聚丙烯酰胺和活性硅酸盐粉料，即可获得。本申请的海积淤泥地层注浆浆液用复合外加剂，在海洋环境的侵蚀下能有效遏制微裂缝的扩展。
Composite admixture for marine silt stratum grouting slurry and preparation method of composite admixture
一种海积淤泥地层注浆浆液用复合外加剂及其制备方法
CHENG SHIBING (Autor:in) / YANG HAI (Autor:in) / KANG TAOTAO (Autor:in) / XIONG YUPENG (Autor:in) / WANG SHOUBIN (Autor:in) / LIAO FENG (Autor:in) / YANG CHAO (Autor:in) / CHEN JIAKANG (Autor:in) / PEI ZHILIANG (Autor:in) / WANG GANG (Autor:in)
26.01.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Composite additive for marine silt stratum grouting slurry and application of composite admixture
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2021