• 2021-12-10 11:20:55

The influence of operation on concrete quality is mainly in the measurement and mixing process. During production, pay attention to the measurement error, the adjustment of overshoot and the grasp of residual quantity in the feeding process to ensure that the measurement accuracy meets the requirements. Special attention should be paid to the following aspects: External materials have a great impa...

• measurement accuracy
• slump of concrete
• sand and gravel aggregate