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2015 - The New Zealand Ministry of Transport is currently conducting road construction works to improve the northern corridor around Wellington. A part of this project involves expanding the expressway from MacKays to Peka Peka. The so-called M2PP project is being carried out by a consortium consisting of the New Zealand Ministry of Transport and various specialized planning and construction companies.

In October 2013, specialists from the vibration technology manufacturer Brecon and the formwork manufacturer Tecnocom, in close collaboration, put new battery molds into operation at the company Arabtec in Saudi Arabia.

2015 - The New Zealand Ministry of Transport is currently conducting road construction works to improve the northern corridor around Wellington. A part of this project involves expanding the expressway from MacKays to Peka Peka. The so-called M2PP project is being carried out by a consortium consisting of the New Zealand Ministry of Transport and various specialized planning and construction companies.

Both normal-frequency (50/60Hz) and high-frequency (100-200Hz) vibrators are used for concrete compaction. The selection of vibrators is mainly based on centrifugal force at a specific speed. The correct selection and installation on the formwork or machine determine whether the desired concrete compaction is achieved or if, in the negative case, damage is caused. The following guidelines aim to increase understanding for the proper selection of vibration technology.

Controlling processes via radio is not only worthwhile in the production of prefabricated parts in highly automated plants, but also everywhere where either large distances need to be covered or production parameters need to be changed remotely during production. For more than 25 years, Brecon (formerly Bosch) has been offering radio control for concrete compaction vibration.

In the field of architecturally demanding concrete surfaces and delicate components made of special materials such as epoxy, extensive development projects are often necessary to determine the influence of vibration parameters possible during concrete compaction. For this purpose, high-precision test tables are used, where these parameters can be precisely predetermined.

The two-stage concrete compaction accelerates the placement of concrete and the compaction process in certain applications by selectively utilizing different centrifugal forces and/or frequencies. For these applications, both high-frequency and normal-frequency vibrators are usually required. With the Brecon 2-in-1 vibrator, both operations can be performed with just one single type of vibrator.

Quick-release vibrators are used wherever there are many molds, but each individual mold is used only rarely. The new Slim2 quick-release vibrator from Brecon is characterized by a weight reduction of 25% and excellent handling. Slim2 series quick-release vibrators offer the possibility to easily and quickly switch vibrators from one mold to another and have long found their place in concrete compaction.

The field of vibration technology is significant in almost all industries. The two largest application areas are found in conveyor technology and in the concrete industry. But not only concrete is compacted by vibration, thereby increasing its mechanical properties. Every chocolate, many cast plastics, and also powdered bulk materials are compacted by vibration.

At the end of 2006, the formwork manufacturer Weckenmann approached the vibration specialist Brecon for the first time to collaborate on an extraordinary project involving 9 battery molds. As part of a modernization measure at the concrete precast plant of the company DSK Blok in St. Petersburg, Russia, in addition to a new pallet circulation system for horizontal production of ceilings, battery molds for the vertical production of wall elements were to be installed.

The company Molin Construction Services Company in Lino Lakes, Minnesota, USA, was founded in 1897. Initially, they produced masonry foundations and soon became involved in bridge construction. At the beginning of the 20th century, Molin began manufacturing various precast concrete elements, and in the 1950s, they acquired the rights to produce Flexicore hollow-core concrete products, having since produced more than five million square meters.

After acquiring an existing production site in Nottuln, the management of Mall Umweltsysteme GmbH prioritized the modernization and expansion of the existing manufacturing facilities. A solution was found with the Synchronous Vibration (SL) technology in combination with the Omnivib control technology from Brecon, meeting the high standards of productivity and concrete quality set by other Mall plants.

The company P.V. Prefabet has established a new production facility with pipe formwork and vibrating tables in Krapkowice, Poland. After intensive examination of various production techniques, they opted for the compaction system with the new Synchronous Running (SL) vibrators from Brecon. The production has already been expanded multiple times, with additional SL vibrators and electronic converters from Brecon being used.

Since the 1950s, Bosch has been developing and producing vibrators, including for precast formwork. Since 1995, Brecon – under license from Bosch – has taken over the further development of these techniques. During this period, many experiences with different techniques (pneumatic, electric, electromagnetic) have been gathered, including applications in the low-frequency (up to approximately 3,600 rpm) and high-frequency (from approximately 4,500 rpm) ranges. This report outlines the advantages and disadvantages of each technique and indicates in which frequency range they provide the best results for concrete compaction.

At trade shows, visitors occasionally express the spontaneous opinion that manufacturers of vibration motors will soon no longer exhibit because they will be displaced by SCC. Statements like these indicate that many users, especially in the precast concrete industry, are grappling with this issue. But what are the particular strengths and weaknesses of both processes? For which application is SCC interesting and where are its limitations?

In 1995, Brecon, based in Cologne, Germany, took over the worldwide distribution of Bosch external vibrators. Since 1997, the company's in-house control construction has produced the extensive standard program of frequency controllers. Over 200 control systems for fixed installation – mostly for operating multiple and different types of formwork – have been delivered since then. The expandable Omnivib system is already heavily focused on custom special solutions through PLC programming and wireless control.