Concrete mixing plant admixture of errors

1. Concrete mixing plant admixture of errors because of the action mechanism of additives and basic lack of understanding, as well as the degree of influence of water-Binder ratio on strength of concrete failure to comprehend;

2. the correct concrete mixing plant admixture of errors should test links, purchasing, checking links, using links, routine testing, test to verify all aspects of the system under control, in which the key to ensuring the strength of concrete is that controlling the production of actual consumption, ensure the water cement ratio is not greater than the design values;

3. in additive under low levels of quality, water reduction to achieve the desired effect, you must increase the amount of additives. Practice has proved that the procurement and use of low-dosage of admixtures for high standards, low standards compared with high admixture, in terms of the strength of concrete, or admixture of unilateral cost control, there are advantages;

4. blind limits admixture dosage is not a scientific approach. This approach often leads to concrete unilateral water and cementitious material in a single overall improvement, so as to greatly enhance the mix costs. Recommended according to the testing, determine the water cement ratio and water consumption in a single ceiling to control maximum weight in proportion cost part (binder), on this basis, identify best meet the requirements of concrete slump admixture dosage;

5. the lack of quality control and test validation on the admixture, admixture levels of quality are likely to decline. In that case, keep the same admixture dosage as a result of the unilateral increase in water consumption, will have a disastrous effect on concrete strength. Therefore, strengthen the quality control of admixtures, directly related to the compressive strength of the concrete can be guaranteed or is stable.

In short, as long as we mastered the proper use of additives, you can on the premise of maintaining the mix of constant cost, increasing concrete strength; or maintain the concrete strength of the premise, reduce the cost of mix, creating tremendous technical economic value for concrete mixing plant.

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