Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses high-performance fiber concrete and a preparation method thereof, and relates to the technical field of concrete. The technical key points are as follows: the high-performancefiber concrete comprises the following components in parts by weight: 350-400 parts of cement, 100 to 120 parts of water, 1000 to 1500 parts of fine stone, 45 to 55 parts of sand, 60 to 80 parts of fly ash, 100 to 120 parts of mineral powder, 6-7 parts of a water reducing agent, 30 to 50 parts of a composite expanding agent and 50 to 100 parts of reinforcing fiber; the composite expanding agent isformed by compounding calcium oxide, magnesium oxide and ettringite according to the weight ratio of (2-4): (2-4): 1. The high-performance fiber concrete prepared by the invention has the advantagesof good impermeability and high mechanical strength.
本发明公开了一种高性能纤维混凝土及其制备方法，涉及混凝土技术领域。其技术要点是：该高性能纤维混凝土包括如下重量份数的组分：水泥：350‑400份；水：100‑120份；细石：1000‑1500份；砂子：45‑55份；粉煤灰：60‑80份；矿粉：100‑120份；减水剂：6‑7份；复合膨胀剂：30‑50份；增强纤维：50‑100份；所述复合膨胀剂由氧化钙、氧化镁和钙矾石按照重量比为(2‑4):(2‑4):1复合而成。本发明制备得到的高性能纤维混凝土具有抗渗性能好、力学强度高的优点。
The invention discloses high-performance fiber concrete and a preparation method thereof, and relates to the technical field of concrete. The technical key points are as follows: the high-performancefiber concrete comprises the following components in parts by weight: 350-400 parts of cement, 100 to 120 parts of water, 1000 to 1500 parts of fine stone, 45 to 55 parts of sand, 60 to 80 parts of fly ash, 100 to 120 parts of mineral powder, 6-7 parts of a water reducing agent, 30 to 50 parts of a composite expanding agent and 50 to 100 parts of reinforcing fiber; the composite expanding agent isformed by compounding calcium oxide, magnesium oxide and ettringite according to the weight ratio of (2-4): (2-4): 1. The high-performance fiber concrete prepared by the invention has the advantagesof good impermeability and high mechanical strength.
本发明公开了一种高性能纤维混凝土及其制备方法，涉及混凝土技术领域。其技术要点是：该高性能纤维混凝土包括如下重量份数的组分：水泥：350‑400份；水：100‑120份；细石：1000‑1500份；砂子：45‑55份；粉煤灰：60‑80份；矿粉：100‑120份；减水剂：6‑7份；复合膨胀剂：30‑50份；增强纤维：50‑100份；所述复合膨胀剂由氧化钙、氧化镁和钙矾石按照重量比为(2‑4):(2‑4):1复合而成。本发明制备得到的高性能纤维混凝土具有抗渗性能好、力学强度高的优点。
High-performance fiber concrete and preparation method thereof
一种高性能纤维混凝土及其制备方法
31.07.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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