Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Recycled rock-fill concrete
The invention provides recycled rockfill concrete which is composed of recycled rockfill and self-compacting concrete, and the volume of the recycled rockfill accounts for 50%-60% of the total volume of the rockfill concrete; the preparation process of the regenerated rockfill comprises the following steps: step 1, pre-screening; waste concrete enters a pre-screening system, and aggregate with the particle size smaller than 600 mm is screened out; step 2, crushing; the pre-screened aggregate with the particle size larger than 600 mm enters a crushing system to be crushed; step 3, screening; the pre-screened and crushed aggregate with the particle size smaller than 600 mm enters a screening system, and aggregate with the particle size ranging from 0 mm to 100 mm, 100 mm to 300 mm, 300 mm to 600 mm and larger than 600 mm is obtained through screening; step 4, strengthening; after screening, the aggregate with the particle size of 100-300 mm and the aggregate with the particle size of 300-600 mm enters a strengthening system to be strengthened, and the regenerated rockfill is obtained. According to the method, about 1.5 tons of natural ore is reduced when one square of rock-fill concrete is produced, natural resources can be effectively saved, the building waste concrete is recycled, and environmental pollution is reduced.
本发明提供一种再生堆石混凝土，所述混凝土由再生堆石和自密实混凝土组成，所述再生堆石的体积占堆石混凝土总体积的50％‑60％；所述再生堆石的制备工艺包括以下步骤：步骤一、预筛分；废弃混凝土进入预筛分系统，筛分出粒径小于600mm的骨料；步骤二、破碎；预筛分后粒径大于600mm的骨料进入破碎系统进行破碎；步骤三、筛分；预筛分和破碎后粒径小于600mm的骨料进入筛分系统，筛分得到粒径为0‑100mm、100‑300mm、300‑600mm、大于600mm的骨料；步骤四、强化；筛分后粒径为100‑300mm、300‑600mm的骨料进入强化系统进行强化，得到再生堆石。本发明每生产一方堆石混凝土，减少约1.5吨天然矿石的使用，能够有效节约天然资源并且对建筑废弃混凝土进行了再利用，减少了环境污染。
Recycled rock-fill concrete
The invention provides recycled rockfill concrete which is composed of recycled rockfill and self-compacting concrete, and the volume of the recycled rockfill accounts for 50%-60% of the total volume of the rockfill concrete; the preparation process of the regenerated rockfill comprises the following steps: step 1, pre-screening; waste concrete enters a pre-screening system, and aggregate with the particle size smaller than 600 mm is screened out; step 2, crushing; the pre-screened aggregate with the particle size larger than 600 mm enters a crushing system to be crushed; step 3, screening; the pre-screened and crushed aggregate with the particle size smaller than 600 mm enters a screening system, and aggregate with the particle size ranging from 0 mm to 100 mm, 100 mm to 300 mm, 300 mm to 600 mm and larger than 600 mm is obtained through screening; step 4, strengthening; after screening, the aggregate with the particle size of 100-300 mm and the aggregate with the particle size of 300-600 mm enters a strengthening system to be strengthened, and the regenerated rockfill is obtained. According to the method, about 1.5 tons of natural ore is reduced when one square of rock-fill concrete is produced, natural resources can be effectively saved, the building waste concrete is recycled, and environmental pollution is reduced.
本发明提供一种再生堆石混凝土，所述混凝土由再生堆石和自密实混凝土组成，所述再生堆石的体积占堆石混凝土总体积的50％‑60％；所述再生堆石的制备工艺包括以下步骤：步骤一、预筛分；废弃混凝土进入预筛分系统，筛分出粒径小于600mm的骨料；步骤二、破碎；预筛分后粒径大于600mm的骨料进入破碎系统进行破碎；步骤三、筛分；预筛分和破碎后粒径小于600mm的骨料进入筛分系统，筛分得到粒径为0‑100mm、100‑300mm、300‑600mm、大于600mm的骨料；步骤四、强化；筛分后粒径为100‑300mm、300‑600mm的骨料进入强化系统进行强化，得到再生堆石。本发明每生产一方堆石混凝土，减少约1.5吨天然矿石的使用，能够有效节约天然资源并且对建筑废弃混凝土进行了再利用，减少了环境污染。
Recycled rock-fill concrete
一种再生堆石混凝土
JI JING'AN (Autor:in) / CHEN YI-CHUN (Autor:in) / ZHU MINTAO (Autor:in) / GOU HONGXIANG (Autor:in) / OUYANG YUNPENG (Autor:in) / ZUO JUNQING (Autor:in) / BIAN CHENGHUI (Autor:in)
06.09.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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