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A platform for research: civil engineering, architecture and urbanism
High-temperature-resistant hybrid fiber reinforced concrete and preparation method thereof
The invention discloses high-temperature-resistant hybrid fiber reinforced concrete and a preparation method thereof. The concrete comprises: hybrid fibers; the hybrid fibers comprise steel fibers and polypropylene fibers; the steel fibers are stainless steel fibers prepared by a molten steel condensation method, the diameter of each fiber is 0.8-1.2 mm, the length of each fiber is 32-35 mm, and the tensile strength of each fiber is not less than 1000 MPa; the polypropylene fiber is a high-strength bunchy fiber, the diameter of the fiber is 45-50, the length of the fiber is 12-15 mm, and the tensile strength of the fiber is not less than 500 MPa; in each cubic meter of concrete, the fiber mixing amount combination of the hybrid fiber concrete comprises 75-80 kg of steel fiber and 1.8-2.0 kg of polypropylene fiber; the concrete provided by the invention has excellent high temperature resistance and high temperature burst resistance.
本发明公开一种耐高温混杂纤维增强混凝土及其制备方法。所述混凝土包括：混杂纤维；所述混杂纤维包括：钢纤维和聚丙烯纤维；所述钢纤维是由钢水冷凝法制成的不锈钢纤维，所述纤维直径为0.8‑1.2mm，长度为32‑35mm，抗拉强度不小于1000MPa；所述聚丙烯纤维为高强度束状纤维，所述纤维直径为45‑50，长度为12‑15mm，抗拉强度不小于500MPa；每立方米混凝土中，所述混杂纤维混凝土纤维掺量组合为钢纤维75‑80kg、聚丙烯纤维1.8‑2.0kg；本发明提供的混凝土具有优异的耐高温、抗高温爆裂性能。
High-temperature-resistant hybrid fiber reinforced concrete and preparation method thereof
The invention discloses high-temperature-resistant hybrid fiber reinforced concrete and a preparation method thereof. The concrete comprises: hybrid fibers; the hybrid fibers comprise steel fibers and polypropylene fibers; the steel fibers are stainless steel fibers prepared by a molten steel condensation method, the diameter of each fiber is 0.8-1.2 mm, the length of each fiber is 32-35 mm, and the tensile strength of each fiber is not less than 1000 MPa; the polypropylene fiber is a high-strength bunchy fiber, the diameter of the fiber is 45-50, the length of the fiber is 12-15 mm, and the tensile strength of the fiber is not less than 500 MPa; in each cubic meter of concrete, the fiber mixing amount combination of the hybrid fiber concrete comprises 75-80 kg of steel fiber and 1.8-2.0 kg of polypropylene fiber; the concrete provided by the invention has excellent high temperature resistance and high temperature burst resistance.
本发明公开一种耐高温混杂纤维增强混凝土及其制备方法。所述混凝土包括：混杂纤维；所述混杂纤维包括：钢纤维和聚丙烯纤维；所述钢纤维是由钢水冷凝法制成的不锈钢纤维，所述纤维直径为0.8‑1.2mm，长度为32‑35mm，抗拉强度不小于1000MPa；所述聚丙烯纤维为高强度束状纤维，所述纤维直径为45‑50，长度为12‑15mm，抗拉强度不小于500MPa；每立方米混凝土中，所述混杂纤维混凝土纤维掺量组合为钢纤维75‑80kg、聚丙烯纤维1.8‑2.0kg；本发明提供的混凝土具有优异的耐高温、抗高温爆裂性能。
High-temperature-resistant hybrid fiber reinforced concrete and preparation method thereof
一种耐高温混杂纤维增强混凝土及其制备方法
LU JUNPING (author) / LIU PENGBO (author) / HUANG CHENG (author) / XU JINYU (author) / LEE SUNG-WOO (author) / CAI YONGZHI (author) / ZHANG CHENGLIANG (author) / LIU LEI (author) / DENG TAO (author)
2022-12-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B28C
Tonaufbereitung
,
PREPARING CLAY
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