A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction waste self-reinforced recycled aggregate preparation method and prepared recycled aggregate
The invention discloses a construction waste self-reinforced recycled aggregate preparation method which comprises the following steps: (1) crushing construction waste containing red bricks and hardened cement paste, and separating out a red brick material and blocks containing the hardened cement paste; (2) mixing and grinding the red brick material and a solution containing carboxyl ether to obtain modified slurry containing a nanoscale red brick particle material; and (3) dipping the separated lumps containing the hardened cement paste in the modified slurry, taking out the lumps containing the hardened cement paste after dipping is completed, and drying to obtain the construction waste self-reinforced recycled aggregate. In the solution containing the carboxyl ether, the solvent is water, and the concentration of the carboxyl ether is 0.1-0.8 mol/L; the particle size range of the nanoscale red brick particle material is 50-200nm; in the dipping process, the mixed material is heated and stirred, and the heating temperature is 40-80 DEG C; the method can be used for preparing the construction waste self-reinforced recycled aggregate with high strength and low water absorption.
本发明公开了一种建筑垃圾自增强再生骨料制备方法，包括括以下步骤：(1)、将含有红砖和硬化水泥浆体的建筑垃圾进行破碎处理，分离出红砖物料和含硬化水泥浆体的块状物；(2)、将红砖物料与含有羧基醚的溶液进行混合粉磨，得含有纳米级红砖微粒料的改性泥浆；(3)、将分离出的含硬化水泥浆体的块状物浸渍在改性泥浆中，浸渍完成后取出含硬化水泥浆体的块状物并进行干燥处理，得到建筑垃圾自增强再生骨料；含有羧基醚的溶液中，溶剂为水，羧基醚的浓度为0.1‑0.8mol/L；纳米级红砖微粒料的粒径范围为50‑200nm；浸渍过程中，对混合物料进行加热搅拌，加热温度为40‑80℃。该方法能制备出强度高且吸水率低的建筑垃圾自增强再生骨料。
Construction waste self-reinforced recycled aggregate preparation method and prepared recycled aggregate
The invention discloses a construction waste self-reinforced recycled aggregate preparation method which comprises the following steps: (1) crushing construction waste containing red bricks and hardened cement paste, and separating out a red brick material and blocks containing the hardened cement paste; (2) mixing and grinding the red brick material and a solution containing carboxyl ether to obtain modified slurry containing a nanoscale red brick particle material; and (3) dipping the separated lumps containing the hardened cement paste in the modified slurry, taking out the lumps containing the hardened cement paste after dipping is completed, and drying to obtain the construction waste self-reinforced recycled aggregate. In the solution containing the carboxyl ether, the solvent is water, and the concentration of the carboxyl ether is 0.1-0.8 mol/L; the particle size range of the nanoscale red brick particle material is 50-200nm; in the dipping process, the mixed material is heated and stirred, and the heating temperature is 40-80 DEG C; the method can be used for preparing the construction waste self-reinforced recycled aggregate with high strength and low water absorption.
本发明公开了一种建筑垃圾自增强再生骨料制备方法，包括括以下步骤：(1)、将含有红砖和硬化水泥浆体的建筑垃圾进行破碎处理，分离出红砖物料和含硬化水泥浆体的块状物；(2)、将红砖物料与含有羧基醚的溶液进行混合粉磨，得含有纳米级红砖微粒料的改性泥浆；(3)、将分离出的含硬化水泥浆体的块状物浸渍在改性泥浆中，浸渍完成后取出含硬化水泥浆体的块状物并进行干燥处理，得到建筑垃圾自增强再生骨料；含有羧基醚的溶液中，溶剂为水，羧基醚的浓度为0.1‑0.8mol/L；纳米级红砖微粒料的粒径范围为50‑200nm；浸渍过程中，对混合物料进行加热搅拌，加热温度为40‑80℃。该方法能制备出强度高且吸水率低的建筑垃圾自增强再生骨料。
Construction waste self-reinforced recycled aggregate preparation method and prepared recycled aggregate
建筑垃圾自增强再生骨料制备方法及制备出的再生骨料
CHEN JING (author) / CHEN SHAOYOU (author) / JIANG JUN (author) / WANG XIAOMING (author) / YANG CHAO (author) / GUAN XIAOJUN (author) / LU ZHONGYUAN (author) / LI JUN (author)
2024-04-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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