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How should we measure the strength of aerated concrete equipment bodies?

Release Time : 2022-09-15
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How should we measure the strength of aerated concrete equipment bodies?

The strength of the green body produced by aerated concrete equipment is an important indicator of whether it can be cut, and it is also a test of the quality of pouring and static stops. So, how should we measure the strength of the aerated concrete equipment body?

One is the empirical method, which relies on the operator's experience to determine whether it can be cut. Usually, the surface of the blank is pressed with fingers or the surface of the blank is patted with the palm, and the hardness is judged by feeling. It is also possible to open the side panels of the mold and press each part separately to determine whether the upper, middle and lower parts of the green body are properly hardened. Sometimes a steel drill is used to insert into the body to understand the internal strength of the body. This method is relatively simple, but it is highly arbitrary and cannot obtain quantitative results. It is of little help for production records, analysis and research.

  But after all, this method is very arbitrary. Not everyone has such sophisticated production experience, and not just anyone can determine whether the product is qualified by touch. Therefore, we also have another method, which is instrumental measurement.

  Instrumental measurement method uses instruments to quantitatively measure the strength of the green body. When the sleeve is held in hand and the inserting rod is inserted into the blank at a constant speed, the resistance of the blank encountered by the inserting rod compresses the spring, the sleeve and the inserting rod move relative to each other, and the cursor is pushed to move to indicate a certain value. The greater the strength of the billet, the greater the resistance to the insertion rod, and the greater the penetration force that needs to be applied, so the spring compression amount is also greater. At the same time, the corresponding value is indicated, thereby measuring the strength of the near middle part of the billet.
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