Quality control of the concrete mixing process and the concrete itself are essential parts of each concrete manufacturer´s everyday’ s life. Quality control provides information to supervising authorities, e. g. allows to trace concrete batches and ensures that the production complies with the actual standards and with this, as far the influence of the concrete quality is concerned, the safety of concrete constructions.
The heart of a concrete mixing plant is the mixer, upgrading a mix design’s several raw materials to a product of high value: concrete.
The biggest problem in connection with the concrete production is the variation in aggregate moisture and therefore it is an important task to make sure that measuring of the aggregate moisture is easy and as accurate as possible.
Fiber concrete is ready-mixed concrete reinforced with steel, polypropylene or fibreglass fibres. Fibres are added to the concrete mix during the production process, improving the properties of hardened concrete such as tensile strength, fire safety and durability.
VMT Betoon AS is a leading Estonian company in the field of ready mix and precast concrete element production, well known for its high quality and great variety of products.
VMT Betoon AS wanted to expand its existing factory and therefore needed additional concrete mixing capacity. Various options were examined in cooperation with the customer to find out, which was the optimum solution to fulfill the actual and future requirements for the production of concrete for different purposes.
Buying a concrete mixing plant is a big investment, which requires a detailed analysis of what exactly is needed and where you have to weigh everything carefully.
However, not only the budgeting itself is a major issue, a lot of additional – mostly technical – questions need to be answered already before the final decision is made:
The scope of supply consisted of two WillControl control systems (production line 1 and production line 2), two computers and displays, two new logics, two sets of weighing amplifiers and equipment for the modernization of the automation cabinets.
The basic idea behind all our products and services, regardless of the concrete plant size, is to ensure the concrete production without any interruptions or unforeseen device failures.
Installation of a modern, winter equipped concrete mixing plant does not require any special tools. The most important device on the construction site is a mobile crane, to lift the modules and equipment from a truck onto the mobile foundations. Additionally a cherry picker is required in order to attach and detach the crane hooks at an altitude of several meters.
The delivery consisted of the WillControl control system, computer and displays, a new automation cabinet, safety switch and manual control panel for the mixer, humidity measurement and safety limits for the mixer and locks for the mixer cover. In addition, the connection strip boxes of the weight sensors were renewed. The delivery also included the WillConQuality quality control system installed on the Tecwill server, using an internet browser.
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