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COMPANY NEWS
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Performance changes and influencing factors of concrete in the hardening process
The setting and hardening of concrete has to go through the three processes of initial setting, final setting and initial strength, which is mainly realized by the hydration of cement. The hydration reaction of cement releases heat, which causes the concrete to heat up, and there will be initial volume changes and possible cracks. Understanding the nature of concrete at this stage is of great benefit to controlling the construction quality of concrete.
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Analysis on the method of testing cement strength
Preparation of mortar: mix 450±2g of cement, 1350±5g of standard sand, and 225±1g of water in a mixer for mechanical mixing of mortar.
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Explain the concrete production process in detail
The dispatching room staff issues a task list for ready-mixed concrete production.
