Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Tension-compression high-ductility fiber concrete and preparation method thereof
The invention provides tension-compression high-ductility fiber concrete and a preparation method thereof, and the tension-compression high-ductility fiber concrete comprises the following components in parts by weight: 280-290 parts of water, 280-290 parts of cement, 735-750 parts of fly ash, 110-120 parts of silica fume, 600-615 parts of quartz sand, 155-160 parts of steel fibers, 9.5-10 parts of ultra-high molecular weight polyethylene fibers and 2.5-3.5 parts of a water reducing agent. Wherein the doping amount of the steel fibers is 1.5-2.5% of the total volume of the tension-compression high-ductility fiber concrete, and the doping amount of the ultra-high molecular weight polyethylene fibers is 0.8-1.2% of the total volume of the tension-compression high-ductility fiber concrete. According to the invention, the steel fiber and the ultra-high molecular weight polyethylene fiber have reinforcing, crack-resisting and toughening effects, so that the generation and development of cracks in the concrete can be controlled, and the ductility and toughness of the concrete are remarkably improved. The fiber concrete is suitable for building structures to improve the safety performance and prolong the service life of the structures.
本发明提供一种拉压高延性纤维混凝土及其制备方法，按照重量份数计，包括如下组分：280～290份水、280～290份水泥、735～750份粉煤灰、110～120份硅灰、600～615份石英砂、155～160份钢纤维、9.5～10份超高分子量聚乙烯纤维、2.5～3.5份减水剂。其中，钢纤维的掺量为拉压高延性纤维混凝土总体积的1.5～2.5％，超高分子量聚乙烯纤维的掺量为拉压高延性纤维混凝土总体积的0.8～1.2％。本发明利用钢纤维和超高分子量聚乙烯纤维两种纤维的增强、阻裂、增韧作用，从而可控制混凝土内部裂缝的产生和发展，并使混凝土延性与韧性得到显著提高。该纤维混凝土适用于建筑结构中以提高结构的安全性能和使用年限。
Tension-compression high-ductility fiber concrete and preparation method thereof
The invention provides tension-compression high-ductility fiber concrete and a preparation method thereof, and the tension-compression high-ductility fiber concrete comprises the following components in parts by weight: 280-290 parts of water, 280-290 parts of cement, 735-750 parts of fly ash, 110-120 parts of silica fume, 600-615 parts of quartz sand, 155-160 parts of steel fibers, 9.5-10 parts of ultra-high molecular weight polyethylene fibers and 2.5-3.5 parts of a water reducing agent. Wherein the doping amount of the steel fibers is 1.5-2.5% of the total volume of the tension-compression high-ductility fiber concrete, and the doping amount of the ultra-high molecular weight polyethylene fibers is 0.8-1.2% of the total volume of the tension-compression high-ductility fiber concrete. According to the invention, the steel fiber and the ultra-high molecular weight polyethylene fiber have reinforcing, crack-resisting and toughening effects, so that the generation and development of cracks in the concrete can be controlled, and the ductility and toughness of the concrete are remarkably improved. The fiber concrete is suitable for building structures to improve the safety performance and prolong the service life of the structures.
本发明提供一种拉压高延性纤维混凝土及其制备方法，按照重量份数计，包括如下组分：280～290份水、280～290份水泥、735～750份粉煤灰、110～120份硅灰、600～615份石英砂、155～160份钢纤维、9.5～10份超高分子量聚乙烯纤维、2.5～3.5份减水剂。其中，钢纤维的掺量为拉压高延性纤维混凝土总体积的1.5～2.5％，超高分子量聚乙烯纤维的掺量为拉压高延性纤维混凝土总体积的0.8～1.2％。本发明利用钢纤维和超高分子量聚乙烯纤维两种纤维的增强、阻裂、增韧作用，从而可控制混凝土内部裂缝的产生和发展，并使混凝土延性与韧性得到显著提高。该纤维混凝土适用于建筑结构中以提高结构的安全性能和使用年限。
Tension-compression high-ductility fiber concrete and preparation method thereof
一种拉压高延性纤维混凝土及其制备方法
HU HONGSONG (Autor:in) / PENG BIAO (Autor:in) / CHEN YUEHUI (Autor:in) / GAO YICHAO (Autor:in)
30.12.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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