Case When a concrete company was supplying the basement of a construction site, due to the unfamiliar business level of the batching plant operator the tester wrote the concrete mixing design and handed it over to the operator for input. He went to the concrete laboratory to play mobile games, and the operator mistakenly input the cement. The fly ash was used as cement. The problem was discovered ...
The correct navigation of large ships is inseparable from the captain's steering, and the smooth operation of the batching plant is also inseparable from the correct implementation of the operators. In order to ensure the normal operation of the concrete mixing plant, the operator shall do a rigorous inspection before work: 1. Check the transmission, moving parts, bin door, bucket door and track i...
Causes of concrete segregation The reasons for concrete segregation may be improper pouring and vibrating, the maximum particle size of aggregate is too large, the proportion of coarse aggregate is too high, the content of cementitious material and fine aggregate is too low, and the density of coarse aggregate is higher than that of fine aggregate. Or the ready-mixed concrete is too dry or too thi...
(1) The raw materials used for concrete production are not a single homogeneous body with stable performance. During continuous production, external interference shall be eliminated and attention shall not be distracted; (2) During normal production, pay attention to the change of concrete slump, master the influence of water content adjustment on slump, have the right to adjust water content and ...
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