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全自動(dòng)混凝土攪拌車(chē)的投料順序！
混凝土攪拌車(chē)運(yùn)營(yíng)使用時(shí)，攪拌車(chē)生產(chǎn)出來(lái)的混凝土的質(zhì)量與投料順序密切相關(guān)。
When the concrete mixer is in operation, the quality of concrete produced by the mixer is closely related to the feeding sequence.
混凝土攪拌車(chē)原材料投料時(shí)，一般是先放石子，再放水泥，然后依次放沙子和水。為什么要這樣投料呢？它是有講究的，它的主要目的是保證石頭、水泥等攪拌均勻，防止水泥與其他粗細(xì)骨料一起進(jìn)入攪拌機(jī)，遇水后很快形成小水泥團(tuán)，而影響混凝土質(zhì)量，水灰比越小，這種團(tuán)聚越嚴(yán)重。
When the raw materials of concrete mixer truck are fed, it is generally to put stones first, then cement, and then sand and water in turn. Why do you need to feed like this? It is fastidious. Its main purpose is to ensure that stones, cement, etc. are mixed evenly, and prevent cement from entering the mixer together with other coarse and fine aggregates. When it meets with water, it will soon form a small cement mass, which will affect the quality of concrete. The smaller the water cement ratio is, the more serious the agglomeration will be.
此外，因?yàn)樾∷鄨F(tuán)粒附著在粗骨料上，所以粗骨料的粒徑越大，小水泥團(tuán)粒破碎的可能性越小。
In addition, because the small cement aggregates adhere to the coarse aggregate, the larger the particle size of coarse aggregate, the smaller the possibility of small cement aggregates breaking.
在攪拌過(guò)程中，由于摩擦和沖擊，骨料運(yùn)動(dòng)方向后方的小水泥顆粒受到有效保護(hù)，粒徑比小水泥顆粒大幾倍或十幾倍的粗骨料成為小水泥顆粒的保護(hù)屏障。
In the process of mixing, due to friction and impact, the small cement particles behind the moving direction of aggregate are effectively protected, and the coarse aggregate whose particle size is several times or more than ten times larger than the small cement particles becomes the protective barrier of the small cement particles.
有些水泥顆粒攪拌后不能破碎，硬化后成為水泥塊填充骨料空隙，導(dǎo)致商品混凝土強(qiáng)度下降，甚出現(xiàn)質(zhì)量事故隱患。
Some cement particles can not be broken after mixing, and become cement blocks after hardening to fill the aggregate voids, which leads to the decrease of commercial concrete strength, and even the hidden danger of quality accidents.
