Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Super-retarded concrete for pile foundation and preparation method of super-retarded concrete
The invention relates to the technical field of concrete processing, and particularly discloses super-retarded concrete for a pile foundation and a preparation method of the super-retarded concrete. The super-retarded concrete is prepared from the following raw materials in parts by weight: 240 to 250 parts of water, 250 to 270 parts of cement, 1350 to 1540 parts of sand, 1940 to 2150 parts of stone, 30 to 35 parts of fly ash, 70 to 90 parts of slag powder, 9 to 10.5 parts of polycarboxylic acid water reducing agent, 3 to 4 parts of a thickening agent and 5.5 to 7.5 parts of a retarder. The retarder is prepared from the following raw materials in parts by weight: 18-22 parts of sodium tripolyphosphate, 20-30 parts of white granulated sugar and 4-6 parts of sodium hydroxide modified N,N-bis(phosphonomethyl)glycine. Through the synergistic effect of the raw materials, the super-retarded concrete has the advantages of long setting time, high compressive strength and high breaking strength, the practicability of the super-retarded concrete is improved, the application range of the super-retarded concrete is widened, and market requirements are met.
本申请涉及混凝土加工技术领域，具体公开了一种用于桩基的超缓凝混凝土及其制备方法，超缓凝混凝土由包含以下重量份的原料制成，水240‑250份、水泥250‑270份、砂子1350‑1540份、石子1940‑2150份、粉煤灰30‑35份、矿渣粉70‑90份、聚羧酸减水剂9‑10.5份、增稠剂3‑4份、缓凝剂5.5‑7.5份；缓凝剂由包含以下重量份的原料制成，三聚磷酸钠18‑22份、白砂糖20‑30份、氢氧化钠改性N,N‑双(膦酸基甲基)甘氨酸4‑6份。该超缓凝混凝土，通过原料之间的协同作用，使其具有凝结时间长、抗压强度高、抗折强度高的优点，提高超缓凝混凝土的实用性和应用范围，满足市场需求。
Super-retarded concrete for pile foundation and preparation method of super-retarded concrete
The invention relates to the technical field of concrete processing, and particularly discloses super-retarded concrete for a pile foundation and a preparation method of the super-retarded concrete. The super-retarded concrete is prepared from the following raw materials in parts by weight: 240 to 250 parts of water, 250 to 270 parts of cement, 1350 to 1540 parts of sand, 1940 to 2150 parts of stone, 30 to 35 parts of fly ash, 70 to 90 parts of slag powder, 9 to 10.5 parts of polycarboxylic acid water reducing agent, 3 to 4 parts of a thickening agent and 5.5 to 7.5 parts of a retarder. The retarder is prepared from the following raw materials in parts by weight: 18-22 parts of sodium tripolyphosphate, 20-30 parts of white granulated sugar and 4-6 parts of sodium hydroxide modified N,N-bis(phosphonomethyl)glycine. Through the synergistic effect of the raw materials, the super-retarded concrete has the advantages of long setting time, high compressive strength and high breaking strength, the practicability of the super-retarded concrete is improved, the application range of the super-retarded concrete is widened, and market requirements are met.
本申请涉及混凝土加工技术领域，具体公开了一种用于桩基的超缓凝混凝土及其制备方法，超缓凝混凝土由包含以下重量份的原料制成，水240‑250份、水泥250‑270份、砂子1350‑1540份、石子1940‑2150份、粉煤灰30‑35份、矿渣粉70‑90份、聚羧酸减水剂9‑10.5份、增稠剂3‑4份、缓凝剂5.5‑7.5份；缓凝剂由包含以下重量份的原料制成，三聚磷酸钠18‑22份、白砂糖20‑30份、氢氧化钠改性N,N‑双(膦酸基甲基)甘氨酸4‑6份。该超缓凝混凝土，通过原料之间的协同作用，使其具有凝结时间长、抗压强度高、抗折强度高的优点，提高超缓凝混凝土的实用性和应用范围，满足市场需求。
Super-retarded concrete for pile foundation and preparation method of super-retarded concrete
一种用于桩基的超缓凝混凝土及其制备方法
SONG YUNQIAO (Autor:in) / KONG FANMIN (Autor:in) / FAN YEKAN (Autor:in) / SONG SHIXING (Autor:in) / CHE WENXIU (Autor:in) / LIANG XU (Autor:in)
20.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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