三级片视频

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      The raw material in concrete batch plant

      Writer:Admin   Time:18/12/24

         The raw materials of concrete batch plant also need to be controlled, which is related to the production efficiency of concrete mixing plant and the quality of concrete. What concrete needs to be done?

        The professional batching plant manufacturer will show you about it.

        cement

        1. Strength and setting time according to standard. Results Compared with the previous experimental results, if there is any change, adjust the proportion in time.

        2. Use the same admixture sample to test the adaptability change of each batch of arrival cement (can be compared with the fluidity of cement paste). If the change is large, replace the admixture and do the experiment again (concrete experiment) to adjust the concrete mix proportion with the actual change.

        Sand

        1. Detect the mud content and fineness modulus according to the standard. Compared with the previous results, the ratio was adjusted according to the change. Increase the mud content, increase water consumption, cement consumption, or increase the amount of admixture. The fineness increases, the sand rate increases, and vice versa, the sand rate decreases.

        2. Apparent method to observe the state of sand particles. Whether the larger particles have texture or not, the intensity of the particles is tested by hand photography. If there are many cases of low particle strength, it should be carefully checked. Such sand should be used with caution.

        Gravel

        Screening, crushing value and needle flake test were done according to the standard. If gradation changes, sand rate adjustment should be changed. If we produce high-grade concrete, we should strictly control the indicators.

        admixture

        The change of admixture was detected with the same sample cement. The fluidity of the cement paste was compared with that of the cement paste with the same sample. If there are changes, do concrete experiments, such as concrete experiments, there are still problems, coordinated treatment.

        Admixture

        1. Measure the fineness of fly ash and the specific surface area of slag according to the standard. The results before the root were compared. If the fineness of fly ash decreases, the specific surface area of slag decreases. It is necessary to adjust the proportion and increase the amount of cement.

        2. Comparing concrete experiments, we can see the change of mechanical consistency and early strength.

      三级片视频
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