1. What should I pay attention to when driving a concrete mixer?

开混凝土搅拌车，对有经验的驾驶员来说，一般的安全驾驶常识都会。在此要提醒的是，由于混凝土是流态的，在车辆急转弯的时候，一定要降低速度，以免混凝土转弯时产生的离心力使车辆不稳！

For experienced drivers, the general knowledge of safe driving is good. It should be reminded that since the concrete is fluid, when the vehicle turns sharply, the speed must be reduced to avoid the centrifugal force generated by the concrete turning making the vehicle unstable!

2.搅拌车多装混凝土有哪些影响？

2. What are the effects of more concrete in the mixer?

九方以下的搅拌车装多了混凝土，车子在爬坡过程中会漏洒，十二方搅拌车装多了混凝土，搅拌会分层，混凝土砂率就偏低，石子粒径偏大，到工地泵送石子多。

If the mixer truck below Jiufang is loaded with more concrete, the truck will leak during climbing. If the mixer truck below 12fang is loaded with more concrete, the mixing will be layered, the concrete sand rate is low, the stone particle size is too large, and there are many stones pumped to the construction site.

3.新搅拌车一般开几年就比较容易出问题？

3. The new mixer is easy to have problems after driving for several years?

拉干料一般是五年，湿料一般是七年，一般搅拌车在3年以后容易出现问题，搅拌车的问题与个人保养及生产厂家有很大的关系。

Generally, it takes five years to pull dry materials and seven years to pull wet materials. Generally, the mixer truck is prone to problems after three years. The problems of the mixer truck are closely related to personal maintenance and manufacturers.

4.混凝土凝固在搅拌车里怎么办？

4. What if the concrete solidifies in the mixer?

混凝土凝固后，其主要成分是硅酸二钙、硅酸三钙。理论上讲，盐酸可以与之反应解除其固态形状。但实际上很难操作，因为搅拌车的料口很小，盐酸量难以控制，且盐酸也可以与搅拌车罐体发生反应。实际出现这种情况，往往是用电焊或气割切开罐体，然后将凝固的混凝土机械破碎。

After the concrete is solidified, its main components are dicalcium silicate and tricalcium silicate. Theoretically, hydrochloric acid can react with it to remove its solid shape. But in fact, it is difficult to operate because the material port of the mixer is very small, the amount of hydrochloric acid is difficult to control, and hydrochloric acid can also react with the tank of the mixer. In practice, the tank body is often cut by electric welding or gas cutting, and then the solidified concrete is mechanically broken.

5.搅拌车上装指的是什么？

5. What does loading on the mixer refer to?

搅拌车上装指的是搅拌车除底盘挡泥板以外的东西，包括搅拌罐体及支座，进出料斗，液压系统及减速器，水箱及管路，操作连杆机构等。

Loading on the mixer truck refers to the things of the mixer truck other than the chassis fender, including the mixing tank and support, inlet and outlet hopper, hydraulic system and reducer, water tank and pipeline, operating linkage, etc.

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