Precast concrete

Three-dimensional mixing for consistent mixture homogeneity

Modern industrial building made of precast concrete components (source: Max Bögl Group)
Modern industrial building made of precast concrete components (source: Max Bögl Group)

In the production of precast concrete components, maintaining high levels of mixture homogeneity is essential, regardless of the formula. Today this becomes even more important in light of highly demanding concrete formulas. With our DKX twin-shaft batch mixer you're on the safe side when it comes to these requirements.

The BHS twin-shaft batch mixer (type DKX) features outstanding mixing capabilities thanks to its three-dimensional mixing motion. It can also meet the challenging demands of the precast concrete industry. The mixing tools produce highly intense relative movements throughout the entire mixture. Bonding agents and chemical admixtures undergo optimum dissolution. Additives such as pigments or fibers are distributed quickly and evenly. Batch upon batch, your mixing results will always be extremely homogeneous. Agglomerations are disintegrated without damaging mixture particles. In addition, two separate discharge openings are available as optional add-ons.

These mixers are also more wear-resistant and usually have lower specific power consumption than mixers with vertically arranged mixing tools. They can also reliably mix partial batches of less than 10% of the mixer capacity. An ever-growing number of references from the precast concrete industry testify to the advantages of twin-shaft batch mixing technology over two-dimensional mixing systems. These mixers can also easily produce formulas for concrete blocks, face concrete, colored concrete, high-performance concrete (including UHPC) or self-consolidating concrete (SCC).

A DKX 1.67 twin-shaft batch mixer in use at a precast concrete facility in Austria
A DKX 1.67 twin-shaft batch mixer in use at a precast concrete facility in Austria

Video "Retrofitting a mixing plant for precast concrete"

The twin-shaft batch mixer of type DKX 1.25 from BHS-Sonthofen is the centerpiece of a retrofit for a mixing plant for precast concrete. The retrofit project was carried out and implemented on behalf of Europoles GmbH & Co. KG, a leading manufacturer of masts, poles, towers and supporting systems based in Neumarkt/Bavaria.

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Downloads

“Twin-shaft batch mixer (DKX)” brochure (PDF / 3.9 MB)
“Twin-shaft batch mixer (DKX)” brochure

Product brochure for twin-shaft batch mixer (DKX)

Size: 3.9 MB

Advantages of BHS mixing technology

  • Proven and future-proof machine technology
  • High level of homogeneity in a short time
  • Also suitable for concrete blocks, SCC or UHPC
  • Outstanding dissolution of cements and additives
  • Even distribution of admixtures
  • Low operating costs
  • Trained service team

BHS mixing technical center

Link to tests at BHS technical center

Technical article

Floating concrete batch plants for one of the widest bridges in the world in currently the biggest infrastructure project in the USA

CPI - Concrete Plant International
2 | 2016
April 2016
PDF (1.0 MB)
Floating concrete batch plants for one of the widest bridges in the world in currently the biggest infrastructure project in the USA

The members of the "Tappan Zee Constructors" consortium use twin-shaft batch mixers from BHS-Sonthofen at the construction site of the biggest bridge in New York, the new "New NY Bridge". Altogether, the consortium uses seven mixers for mixing a total of 220,000 m³ of concrete. Three of these are in operation on floating concrete batch plants.

Size: 1.0 MB

Twin-shaft batch mixer used for major project

BFT INTERNATIONAL
10-2015
October 2015
PDF (531 KB)
Twin-shaft batch mixer used for major project

At present, a Muslim faith community is having the “Mosquée de l’Algérie”, worth approx. 1.1 billion Euros, constructed in the Algerian capital city. The prayer room of the mosque is a huge cube which will accommodate up to 35,000 people. The production of a total of 618 octagonal spun concrete columns used for the monumental building was not a common project even for the manufacturer Europoles from Neumarkt/Germany. For this large project Europoles needed a new twin-shaft batch mixer of the DKX series of BHS-Sonthofen in order to be in the position to produce the required up to 20 m³ of concrete per hour.

Size: 531 KB

More than 600 concrete columns for the world's third Largest mosque

BFT INTERNATIONAL
8-2015
August 2015
PDF (2.7 MB)
More than 600 concrete columns for the world's third Largest mosque

One of the largest mosques ever built with a prayer room covering 22,000 m² and the world's tallest minaret soaring 265 m high is under construction in the Bay of Algiers at present. The load-bearing spun concrete columns were produced by the manufacturer Europoles based in the German city of Neumarkt and shipped by vessel to the Algerian capital city.

Size: 2.7 MB
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