Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Anti-cracking recycled concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses anti-cracking recycled concrete and a preparation method thereof. A waterproof and corrosion-resistant wood board for a laboratory fume hood is prepared from 55-60 parts of cement, 20-30 parts of water, 25-30 parts of fly ash, 0.2-0.4 parts of cellulose ether, 6-8 parts of entangled fibers, 3-5 parts of SiO2 aerogel particles and 80-100 parts of recycled aggregate; The entangled fibers are prepared by mixing wollastonite fibers and polypropylene fibers according to a mass ratio of 1: (6-8). The preparation method comprises the following preparation steps of: S1, coating modification of recycled aggregate; S2, premixing treatment; and S3, mixing again. According to the recycled concrete, wollastonite fibers and polypropylene fibers are entangled and compounded and are mutually lapped to form a three-dimensional network, the three-dimensional network and a concrete aggregate structure jointly resist the action of shear force, and the anti-cracking strength of the recycled concrete material is improved.
本申请涉及混凝土领域，具体公开了一种防开裂再生混凝土及其制备方法，实验室通风柜用防水耐腐蚀型木板包括：55～60份水泥、20～30份水、25～30份粉煤灰、0.2～0.4份纤维素醚、6～8份缠结纤维、3～5份SiO2气凝胶颗粒和80～100份再生骨料；所述缠结纤维由硅灰石纤维与聚丙烯纤维按质量比1:6～8混合制备而成。其制备方法的制备步骤包括：S1、再生骨料包覆改性；S2、预混处理；S3、再次混合。本申请的再生混凝土选用硅灰石纤维和聚丙烯纤维进行缠结复合，互相搭接形成立体网络，与混凝土集料结构共同抵抗剪切力的作用，提高了再生混凝土材料的抗裂强度。
Anti-cracking recycled concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses anti-cracking recycled concrete and a preparation method thereof. A waterproof and corrosion-resistant wood board for a laboratory fume hood is prepared from 55-60 parts of cement, 20-30 parts of water, 25-30 parts of fly ash, 0.2-0.4 parts of cellulose ether, 6-8 parts of entangled fibers, 3-5 parts of SiO2 aerogel particles and 80-100 parts of recycled aggregate; The entangled fibers are prepared by mixing wollastonite fibers and polypropylene fibers according to a mass ratio of 1: (6-8). The preparation method comprises the following preparation steps of: S1, coating modification of recycled aggregate; S2, premixing treatment; and S3, mixing again. According to the recycled concrete, wollastonite fibers and polypropylene fibers are entangled and compounded and are mutually lapped to form a three-dimensional network, the three-dimensional network and a concrete aggregate structure jointly resist the action of shear force, and the anti-cracking strength of the recycled concrete material is improved.
本申请涉及混凝土领域，具体公开了一种防开裂再生混凝土及其制备方法，实验室通风柜用防水耐腐蚀型木板包括：55～60份水泥、20～30份水、25～30份粉煤灰、0.2～0.4份纤维素醚、6～8份缠结纤维、3～5份SiO2气凝胶颗粒和80～100份再生骨料；所述缠结纤维由硅灰石纤维与聚丙烯纤维按质量比1:6～8混合制备而成。其制备方法的制备步骤包括：S1、再生骨料包覆改性；S2、预混处理；S3、再次混合。本申请的再生混凝土选用硅灰石纤维和聚丙烯纤维进行缠结复合，互相搭接形成立体网络，与混凝土集料结构共同抵抗剪切力的作用，提高了再生混凝土材料的抗裂强度。
Anti-cracking recycled concrete and preparation method thereof
一种防开裂再生混凝土及其制备方法
YE ZHIYONG (Autor:in)
08.10.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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