• 2021-08-19 18:09:53

1. Influence of cement mineral composition As we all know, there are four main constituent minerals of Portland cement. Their hydration properties are different and their proportion in cement affects the overall properties of cement. Although C3a contributes greatly to the early strength, the hydration heat is several times of other minerals. Therefore, early strength cement with high C3a content ...

• concrete strength
• fly ash
• batching plant

• 2022-03-15 11:18:35

Sand is an integral part of concrete. It is generally called fine aggregate, which refers to rock particles with a particle size of less than 5mm. It can be generally divided into natural sand and artificial sand. At present, common sands are: (1) Manufactured sand; (2) River sand (generally used for sand designated for key projects, and ordinary concrete is generally not used due to high price an...

• machine-made sand
• washing sand
• recycled aggregate

• 2022-10-17 14:33:35

1. What should we do when the raw materials cannot be stopped immediately and the supply of concrete cannot be interrupted? At the same time of contacting the raw material supplier, special personnel must be assigned to control the mixing water consumption and on-site concrete curing monitoring to prevent the construction site from adding water by itself. If necessary, the water binder ratio shall...

• fly ash
• ready mix concrete
• concrete truck