Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ultralow-resistance high-strength cement-based composite fiber material and preparation method thereof
The invention discloses an ultralow-resistance high-strength cement-based composite fiber material and a preparation method thereof, belonging to the technical field of conductive materials. The ultralow-resistance high-strength cement-based composite fiber material comprises the following main components: 300-500 parts of cement with strength of not lower than 32.5 MPa, 260-400 parts of an admixture with an average particle size of 5-30 [mu]m, 600-1900 parts of counterweight iron sand with an average particle size of 0.15-4.75 mm, 200-400 parts of fine aggregate with an average particle sizeof 0.15-4.75 mm, 10-30 parts of graphite powder, 1-5 parts of carbon fibers with a length of 12-14 mm, 10-20 parts of carbon black powder, 60-90 parts of steel fibers, 2-4 parts of hydrophilic polymerpowder and 15-25 parts of a high-performance additive, wherein a water-binder ratio is 0.16-0.2. The ultralow-resistance high-strength cement-based composite fiber material prepared by the inventionhas the characteristics of low resistivity, good conductivity, good mechanical property, good durability, wide application range and the like, and is applicable to development and application of ultralow-resistance cement-based composite fiber materials.
本发明公开了一种超低电阻高强水泥基复合纤维材料及其制备方法，属于导电材料技术领域。所述超低电阻高强水泥基复合纤维材料主要成分如下：强度不低于32.5MPa的水泥300～500份，平均粒径5～30μm的掺合料260～400份，平均粒径0.15～4.75mm的配重铁砂600～1900份，平均粒径0.15～4.75mm的细骨料200～400份，石墨粉10‑30份，长度12‑14mm的碳纤维1‑5份，炭黑粉10‑20份，钢纤维60‑90份，亲水性聚合物粉体2～4份，高性能外加剂15～25份，水胶比0.16～0.2。本发明制备的超低电阻高强水泥基复合纤维材料具有电阻率低、导电性能好、力学性能好、耐久性能好、应用范围广等特点，适合超低电阻水泥基复合纤维材料的发展与应用。
Ultralow-resistance high-strength cement-based composite fiber material and preparation method thereof
The invention discloses an ultralow-resistance high-strength cement-based composite fiber material and a preparation method thereof, belonging to the technical field of conductive materials. The ultralow-resistance high-strength cement-based composite fiber material comprises the following main components: 300-500 parts of cement with strength of not lower than 32.5 MPa, 260-400 parts of an admixture with an average particle size of 5-30 [mu]m, 600-1900 parts of counterweight iron sand with an average particle size of 0.15-4.75 mm, 200-400 parts of fine aggregate with an average particle sizeof 0.15-4.75 mm, 10-30 parts of graphite powder, 1-5 parts of carbon fibers with a length of 12-14 mm, 10-20 parts of carbon black powder, 60-90 parts of steel fibers, 2-4 parts of hydrophilic polymerpowder and 15-25 parts of a high-performance additive, wherein a water-binder ratio is 0.16-0.2. The ultralow-resistance high-strength cement-based composite fiber material prepared by the inventionhas the characteristics of low resistivity, good conductivity, good mechanical property, good durability, wide application range and the like, and is applicable to development and application of ultralow-resistance cement-based composite fiber materials.
本发明公开了一种超低电阻高强水泥基复合纤维材料及其制备方法，属于导电材料技术领域。所述超低电阻高强水泥基复合纤维材料主要成分如下：强度不低于32.5MPa的水泥300～500份，平均粒径5～30μm的掺合料260～400份，平均粒径0.15～4.75mm的配重铁砂600～1900份，平均粒径0.15～4.75mm的细骨料200～400份，石墨粉10‑30份，长度12‑14mm的碳纤维1‑5份，炭黑粉10‑20份，钢纤维60‑90份，亲水性聚合物粉体2～4份，高性能外加剂15～25份，水胶比0.16～0.2。本发明制备的超低电阻高强水泥基复合纤维材料具有电阻率低、导电性能好、力学性能好、耐久性能好、应用范围广等特点，适合超低电阻水泥基复合纤维材料的发展与应用。
Ultralow-resistance high-strength cement-based composite fiber material and preparation method thereof
一种超低电阻高强水泥基复合纤维材料及其制备方法
LIU FUCAI (Autor:in) / XIAO MIN (Autor:in) / LI HAO (Autor:in) / HUANG HEMING (Autor:in)
07.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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