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混凝土搅拌机边搅拌边运输时禁止加水

来源:http://www.zkhntjbc.com/ 日期:2022-06-17
概述:对于混凝土,很多人都会随时搅拌,防止干结,要是进行长期运输的话就需要使用混凝土搅拌车,一边搅拌一边运输,在使用搅拌车的时候一个禁止
对于混凝土,很多人都会随时搅拌,防止干结,要是进行长期运输的话就需要使用混凝土搅拌车,一边搅拌一边运输,在使用搅拌车的时候一个禁止事项就是搅拌车内禁止加水,为什么?
For concrete, many people will mix it at any time to prevent it from drying. If it is transported for a long time, it needs to use a concrete mixer truck to transport it while mixing. When using a mixer truck, one of the prohibitions is that it is forbidden to add water in the mixer truck. Why?
因为商品混凝土在混凝土搅拌车里面的时候,还是属于半成品,在车里面不停的搅拌是为了保证混凝土在动态的情况下保持出厂的均匀性,混凝土在动态的时候比静态的时候坍落度损失较小。
Because the commercial concrete is still a semi-finished product when it is in the concrete mixer truck, the continuous mixing in the truck is to ensure that the concrete maintains the uniformity of the factory under dynamic conditions, and the slump loss of the concrete under dynamic conditions is smaller than that under static conditions.
禁止加水的都是商品混凝土在出厂后的要求,因为混凝土重要的一点是要保证其强度,混凝土的强度是在水泥用量一定时候,水越多,强度越低。因此,在混凝土搅拌车中禁止加水。
What is forbidden to add water is the requirement of commercial concrete after leaving the factory, because the important point of concrete is to ensure its strength. The strength of concrete is that when the amount of cement is certain, the more water, the lower the strength. Therefore, it is forbidden to add water in the concrete mixer.
所以自动混凝土搅拌机禁止加水,加水可能会改变混凝土的性能,一旦混凝土中混入很多水那么会变成稀泥,不仅混凝土的强度变低而且还会弄得慢车都是稀泥,不好清理。
Therefore, it is forbidden to add water to the automatic concrete mixer. Adding water may change the performance of the concrete. Once a lot of water is mixed into the concrete, it will become slime, which will not only reduce the strength of the concrete, but also make the slow car become slime, which is difficult to clean up.
自动混凝土搅拌机
加水结果:影响混凝土的密实性,进而影响混凝土的强度。
The result of adding water: it will affect the compactness of concrete, and then the strength of concrete.
禁止原因:
Reason for prohibition:
(1)当用同一品种及相同强度等级的水泥时,混凝土的强度等级主要取决于水灰比;
(1) When the cement of the same type and strength grade is used, the strength grade of concrete mainly depends on the water cement ratio;
(2)为了获得混凝土必要的流动性,保证浇灌质量,常需要较多的水,也就增大了水灰比;(备注:因为水泥水化时所需要的结合水,一般只占水泥重量的25%左右)
(2) In order to obtain the necessary fluidity of concrete and ensure the pouring quality, more water is often required, which increases the water cement ratio; (Note: the combined water required for cement hydration generally accounts for only about 25% of the cement weight)
(3)当水泥水化后,多余的水分就残留在混凝土中,形成水泡或蒸发后形成气孔,减少了混凝土抵抗荷载的实际有效断面,在荷载的作用下,可能在空隙周围产生应力集中。
(3) When the cement is hydrated, the excess water will remain in the concrete to form bubbles or pores after evaporation, which reduces the actual effective section of the concrete to resist the load. Under the action of the load, stress concentration may occur around the voids.
(4)在水泥强度等级相同的情况下,水灰比越小,水泥石强度越高,与骨料黏结力也就越大,混凝土强度就越高。(备注:水泥石就是水泥浆液干硬后形成的块体。)
(4) With the same cement strength grade, the smaller the water cement ratio, the higher the strength of the cement stone, the greater the adhesion with the aggregate, and the higher the strength of the concrete. (Note: cement stone is the block formed after the cement slurry is dried and hardened.)
(5)控制水灰比及水泥用量,是决定混凝土密实的关键主要因素。
(5) Controlling water cement ratio and cement dosage is the key factor to determine the compactness of concrete.
(6)混凝土的强度主要取决于水泥石的强度及骨料表面的黏结强度,而水泥石的强度及其与骨料的黏结强度又与水泥的强度等级、水灰比及骨料的性质有密切关系。
(6) The strength of concrete mainly depends on the strength of cement stone and the bonding strength of aggregate surface, and the strength of cement stone and its bonding strength with aggregate are closely related to the strength grade of cement, water cement ratio and the properties of aggregate.
以上就是今天为大家分享的关于问题的相关内容,希望对大家能有所帮助,想要了解更多内容可以电话联系我们或者关注我们的网站http://www.zkhntjbc.com
The above is the relevant content about the problem shared for you today. I hope it can help you. If you want to know more, you can contact us by phone or follow our website http://www.zkhntjbc.com 。

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