Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Formula and preparation process of high-strength recycled concrete
The invention discloses a high-strength recycled concrete formula and a preparation process thereof. The high-strength recycled concrete formula comprises 68-84 parts of cement, 160-180 parts of recycled fine aggregate, 130-150 parts of recycled coarse aggregate, 15-18 parts of an adhesive, 10-14 parts of epoxy vinyl resin, 5-10 parts of an anti-freezing agent and 68-84 parts of water. Compared with the prior art, the concrete has the advantages that the binding agent is added into the concrete, so that the connection tightness of all components in a concrete system is improved, the epoxy vinyl resin has excellent binding property and can bind micro-cracks of the recycled coarse aggregate, and the anti-freezing agent is added into the recycled concrete, so that the anti-freezing performance of the concrete is improved. The high-concentration high-efficiency water reducing agent is used as a water reducing component, the alkali content is low, the water reducing rate is high, the condensation and hardening of the concrete under the negative temperature condition can be accelerated, the strength is obviously increased, and the development of the later strength is not influenced.
本发明公开了一种高强度再生混凝土配方及其制备工艺，包括水泥68‑84份、再生细骨料160‑180份、再生粗骨料130‑150份、粘合剂15‑18份、环氧乙烯基树脂10‑14份、抗冻剂5‑10份和水68‑84份。本发明与现有的技术相比的优点在于：本发明通过在混凝土中添加粘合剂，使得混凝土体系中各组分的连接紧密性得到提升，并且环氧乙烯基树脂具有优良的粘结性，能够将再生粗骨料本身的微细裂纹粘合，在再生混凝土中添加抗冻剂，可提升再生混凝土的抗裂性能，高浓型高效减水剂作为减水组分，含碱量低，减水率高，可以加速混凝土负温条件下的凝结和硬化，强度增长明显并且不影响后期强度的发展。
Formula and preparation process of high-strength recycled concrete
The invention discloses a high-strength recycled concrete formula and a preparation process thereof. The high-strength recycled concrete formula comprises 68-84 parts of cement, 160-180 parts of recycled fine aggregate, 130-150 parts of recycled coarse aggregate, 15-18 parts of an adhesive, 10-14 parts of epoxy vinyl resin, 5-10 parts of an anti-freezing agent and 68-84 parts of water. Compared with the prior art, the concrete has the advantages that the binding agent is added into the concrete, so that the connection tightness of all components in a concrete system is improved, the epoxy vinyl resin has excellent binding property and can bind micro-cracks of the recycled coarse aggregate, and the anti-freezing agent is added into the recycled concrete, so that the anti-freezing performance of the concrete is improved. The high-concentration high-efficiency water reducing agent is used as a water reducing component, the alkali content is low, the water reducing rate is high, the condensation and hardening of the concrete under the negative temperature condition can be accelerated, the strength is obviously increased, and the development of the later strength is not influenced.
本发明公开了一种高强度再生混凝土配方及其制备工艺，包括水泥68‑84份、再生细骨料160‑180份、再生粗骨料130‑150份、粘合剂15‑18份、环氧乙烯基树脂10‑14份、抗冻剂5‑10份和水68‑84份。本发明与现有的技术相比的优点在于：本发明通过在混凝土中添加粘合剂，使得混凝土体系中各组分的连接紧密性得到提升，并且环氧乙烯基树脂具有优良的粘结性，能够将再生粗骨料本身的微细裂纹粘合，在再生混凝土中添加抗冻剂，可提升再生混凝土的抗裂性能，高浓型高效减水剂作为减水组分，含碱量低，减水率高，可以加速混凝土负温条件下的凝结和硬化，强度增长明显并且不影响后期强度的发展。
Formula and preparation process of high-strength recycled concrete
一种高强度再生混凝土配方及其制备工艺
JIN GUANXING (Autor:in) / KIM KYOUNG-KWAN (Autor:in) / SUN XINJUN (Autor:in)
09.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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