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Green hybrid fiber toughened iron tailing sand concrete material and preparation method thereof
The invention discloses a green hybrid fiber toughened iron tailing sand concrete material and a preparation method thereof, and relates to the field of constructional engineering materials, the green hybrid fiber toughened iron tailing sand concrete material comprises the following components by mass: 170 parts of water, 358 parts of cement, 89 parts of fly ash, 624 parts of iron tailing sand, 1159 parts of gravel, 3.6 parts of a water reducer, 39 parts of recycled tire steel fiber, and 2.3 parts of coconut fiber. The hybrid fiber reinforced concrete material prepared according to the mix proportion provided by the invention has the advantages of high cubic compressive strength, high splitting tensile strength, high four-point bending breaking strength, high impact strength, high tension-compression ratio and high bending-compression ratio, and the 28d cubic compressive strength of the hybrid fiber reinforced concrete material is 59.07 MPa, the splitting tensile strength is 4.46 MPa, and the bending-compression ratio is 4.2 MPa. The four-point bending strength is 6.6 MPa, the impact strength is 720 N.m, the tension-compression ratio is 0.076, and the bending-compression ratio is 0.112.
本发明公开了一种绿色混杂纤维增韧铁尾矿砂混凝土材料及制备方法，本发明涉及建筑工程材料领域，各组分的配合比设计按质量份数为：水：170份，水泥:358份，粉煤灰:89份,铁尾矿砂:624份,碎石:1159份,减水剂:3.6份，回收轮胎钢纤维:39份,椰壳纤维:2.3份。通过本发明提供的配合比制作的混杂纤维混凝土材料具有立方体抗压强度、劈裂抗拉强度、四点弯曲抗折强度、抗冲击强度、拉压比、弯压比高的优点，本发明制作的混杂纤维增强混凝土材料28d立方体抗压强度为59.07MPa，劈裂抗拉强度为4.46MPa，四点抗弯强度为6.6MPa，抗冲击强度为720N·m，拉压比为0.076，弯压比为0.112。
Green hybrid fiber toughened iron tailing sand concrete material and preparation method thereof
The invention discloses a green hybrid fiber toughened iron tailing sand concrete material and a preparation method thereof, and relates to the field of constructional engineering materials, the green hybrid fiber toughened iron tailing sand concrete material comprises the following components by mass: 170 parts of water, 358 parts of cement, 89 parts of fly ash, 624 parts of iron tailing sand, 1159 parts of gravel, 3.6 parts of a water reducer, 39 parts of recycled tire steel fiber, and 2.3 parts of coconut fiber. The hybrid fiber reinforced concrete material prepared according to the mix proportion provided by the invention has the advantages of high cubic compressive strength, high splitting tensile strength, high four-point bending breaking strength, high impact strength, high tension-compression ratio and high bending-compression ratio, and the 28d cubic compressive strength of the hybrid fiber reinforced concrete material is 59.07 MPa, the splitting tensile strength is 4.46 MPa, and the bending-compression ratio is 4.2 MPa. The four-point bending strength is 6.6 MPa, the impact strength is 720 N.m, the tension-compression ratio is 0.076, and the bending-compression ratio is 0.112.
本发明公开了一种绿色混杂纤维增韧铁尾矿砂混凝土材料及制备方法，本发明涉及建筑工程材料领域，各组分的配合比设计按质量份数为：水：170份，水泥:358份，粉煤灰:89份,铁尾矿砂:624份,碎石:1159份,减水剂:3.6份，回收轮胎钢纤维:39份,椰壳纤维:2.3份。通过本发明提供的配合比制作的混杂纤维混凝土材料具有立方体抗压强度、劈裂抗拉强度、四点弯曲抗折强度、抗冲击强度、拉压比、弯压比高的优点，本发明制作的混杂纤维增强混凝土材料28d立方体抗压强度为59.07MPa，劈裂抗拉强度为4.46MPa，四点抗弯强度为6.6MPa，抗冲击强度为720N·m，拉压比为0.076，弯压比为0.112。
Green hybrid fiber toughened iron tailing sand concrete material and preparation method thereof
一种绿色混杂纤维增韧铁尾矿砂混凝土材料及制备方法
SHI HUAWANG (author) / SHI ZHENYAO (author) / ZHANG BO (author) / ZHAO JIANBIN (author) / WANG JIAWEI (author) / CHEN HUILIN (author) / LIU JIAYUN (author) / BAI YUN (author)
2024-04-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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