Assessment of Reliability of Quality Control of Building Materials


The purpose of this project is to assess the quality control of construction materials while taking measurement error, the status of the technical process of product manufacturing, control completeness, and quality indicator variability into account. The statistical instability of the manufacturing process is the result of data on the influence of a measurement error on the probability of decision-making about production acceptance. Accepting a batch of bricks while accounting for measurement error in an unstable production process is demonstrated using the example of brick manufacturing. It is possible to improve product quality control dependability. The results of calculating the reliability of quality control of dry building mixes based on regulatory document requirements are provided. The control reliability block diagram is taken into account. It is demonstrated that the normative security of the quality of dry construction mixtures is 0.9447957, implying a defect probability of 5.52 percent. The application of the six sigma methodology is suggested to ensure a higher level of dry building mixtures quality. The information on evaluating the representativeness of the sample in determining the quality of construction materials is provided. The difference between the number of samples specified in the normative standards for test methods and the computed data is demonstrated, taking into account the values for standard confidence probabilities, supplier and consumer risk. The methodology of quality control of building materials is considered with the indicator of control completeness in mind.

Author (S) Details

Loganina Valentina Ivanovna
Penza State University of Architecture and Construction, 440028, Penza, st. Titova, 28, Russia.

Zaytseva Maria Vladimirovna
Penza State University of Architecture and Construction, 440028, Penza, st. Titova, 28, Russia.

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