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收费岛模具详细使用

不要淋湿和僵硬。水分硬化的水泥可能会降低甚至失去原有的强度 因此,已被润湿或硬化的水泥必须过筛,并在过筛后使用。对于一碰或一撮粉状水泥块,可用于降低强度等级。
不要曝光快干。如混凝土或灰泥暴露后操作时,与水的迅速蒸发,其强度会降低或甚至丧失。
不要让负温度冻结。混凝土或砂浆混合后,若受冻,其水泥不能水化,其水结冰膨胀,则会损坏混凝土或砂浆。Don’t get wet and stiff. WATER-HARDENED CEMENT MAY reduce or even lose its strength, so wet or hardened cement must be sieved and used after sieving. For a touch or pinch of powdered cement block, can be used to reduce the strength level. Don’t expose it. Just do it. When exposed to concrete or mortar, such as when operating after the rapid evaporation of water, its strength will be reduced or even completely lost. Do not let the negative temperature freeze. Concrete or mortar mixed, if frozen, its cement can not hydration, its water ice expansion, it will damage concrete or mortar.


不要忽热忽热。如果经常在高温条件下,会有强度损失,这是由于高温条件下,一些原材料在高温条件下也会分解或体积膨胀。
不要像水一样厚。人们往往忽视了用水量对混凝土强度的影响,为了便于浇筑,有时不认真执行配合比,把混凝土拌得很薄。当多余的水分蒸发时,会在混凝土中留下许多孔隙,从而降低混凝土的强度。
不被酸腐蚀。与某些物质酸性物质将在水泥反应,松散产品,膨胀的体积,水容易水解粉碎。

It’s hot and hot. If often under high temperature conditions, there will be loss of strength, this is due to high temperature conditions, some raw materials under high temperature conditions will also decompose or volume expansion. Not as thick as water. People often ignore the influence of water consumption on the strength of concrete, in order to facilitate pouring, sometimes do not seriously carry out the mix proportion, mix the **ery thin. When Excess Water evaporates, it leaves many pores in the concrete, reducing its strength. Not corroded by acid. With certain substances acidic substances will react in the cement, loosening the product, expanding the volume and making the water easier to hydrolyze and crush.

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