一、日本对骨料的分类
日本将骨料分成五大类：砾石、天然砂（河砂、陆砂、山砂和海砂）；碎石和碎砂；混凝土用石灰石；人工骨料（以高炉炉渣、粉煤灰为主要原料）；再生骨料（以建筑垃圾为主要原料）。按照颗粒度的大小，分为粗骨料（5mm网筛，85%以上停留）和细骨料（5mm网筛，85%以上通过）。
日本骨料行业发展概况
2021-07-06 10:49:24
日本骨料70%用于混凝土，30%用于道路和道床，1990年达到需求顶峰，此后一路下降，2020年为需求顶峰之后的历史最低。
Correlation
CEMPI
115.66
+0.2 +0.17%
CONCPI
112.93
-0.24 -0.21%
CLKPI
116.98
+0.01 +0.01%
SPPI
47.74
-0.06 -0.13%
MORPI
84.00
0 0%
In order to implement the spirit of documents such as "Opinions of the State Council of the Central Committee of the Communist Party of China on Deeply Fighting the Strong Battle of Pollution Prevention and Control" and "Opinions of the Ministry of Ecology and Environment on Promoting the Implementation of Ultra-low Emissions in the Cement Industry" and "Notice on the Assessment and Monitoring of Ultra-low Emissions in Cement and Coking Enterprises", the State Council of the Central Committee of the Communist We will implement the requirements of relevant documents such as the Implementation Plan for the Ultra-low Emission Reform of the Cement Industry in Xinjiang Uygur Autonomous Region (No.117, 2024) and the Plan for the Ultra-low Emission Reform of the Cement Industry in the Corps (No.16, 2024), and accelerate the process of the ultra-low emission work in the cement industry in the autonomous region. September 6, 2024