Consolidating Structures
Concrete

Consolidating Structures

BASF was the major supplier of Glenium SKY concrete additives to Burj Khalifa - the tallest building in the world

BASF India, the leading supplier of chemical systems and formulations for the construction industry, was the main supplier of Glenium SKY concrete additives to Burj Khalifa, the tallest building in the world. Dr Tilman Krauch, Head, BASF-Construction Chemicals Division, says “The construction of Burj Dubai is an engineering master piece. We are proud that we could contribute to the success of this project.”

Multiple uses
The foundations and the superstructure required approximately 180,000 cu m concrete with Glenium plasticiser. It helped the company to pump the concrete up to an altitude of 600 m without interruption.

The concrete additives, which were based on polycarboxylate ether polymers, ensured great flowability and, during the pumping process, were able to prevent segregation in spite of the high pressure used. On site, it was easy to process the concrete without quality loss due to Glenium SKY. In addition, Glenium SKY super-plasticisers improved the concrete’s early strength. The concrete cast to build a new story quickly reached sufficient stability so that construction work could be continued after a short while. This way, Glenium SKY helped to ensure that the building work progressed quickly. With two stories built per week, the building speed exceeded the usual Dubai standard of one storey a week.

Climate resistant
Further challenges that had to be met when constructing the tallest building in the world were the climate conditions in Dubai. Here, the temperatures not only fluctuate between 10°C in winter and 50°C in summer but the temperature difference between day and night can easily reach 20°C. Glenium SKY, however, made sure that the concrete was of a consistently high quality.

In addition, the enormous height of the Burj Dubai causes extreme pressure in the concrete structure. To prevent the skyscraper from collapsing, Glenium SKY lends the concrete a compressive strength of up to 80 N/mm2. This equals the entire weight of a small car resting on a space as small as the big toe. The great strength gives the concrete structure a long lifespan and ensures the sustainable use of the tower.

(Communication by the management of the company)

BASF was the major supplier of Glenium SKY concrete additives to Burj Khalifa - the tallest building in the world BASF India, the leading supplier of chemical systems and formulations for the construction industry, was the main supplier of Glenium SKY concrete additives to Burj Khalifa, the tallest building in the world. Dr Tilman Krauch, Head, BASF-Construction Chemicals Division, says “The construction of Burj Dubai is an engineering master piece. We are proud that we could contribute to the success of this project.” Multiple usesThe foundations and the superstructure required approximately 180,000 cu m concrete with Glenium plasticiser. It helped the company to pump the concrete up to an altitude of 600 m without interruption. The concrete additives, which were based on polycarboxylate ether polymers, ensured great flowability and, during the pumping process, were able to prevent segregation in spite of the high pressure used. On site, it was easy to process the concrete without quality loss due to Glenium SKY. In addition, Glenium SKY super-plasticisers improved the concrete’s early strength. The concrete cast to build a new story quickly reached sufficient stability so that construction work could be continued after a short while. This way, Glenium SKY helped to ensure that the building work progressed quickly. With two stories built per week, the building speed exceeded the usual Dubai standard of one storey a week. Climate resistant Further challenges that had to be met when constructing the tallest building in the world were the climate conditions in Dubai. Here, the temperatures not only fluctuate between 10°C in winter and 50°C in summer but the temperature difference between day and night can easily reach 20°C. Glenium SKY, however, made sure that the concrete was of a consistently high quality. In addition, the enormous height of the Burj Dubai causes extreme pressure in the concrete structure. To prevent the skyscraper from collapsing, Glenium SKY lends the concrete a compressive strength of up to 80 N/mm2. This equals the entire weight of a small car resting on a space as small as the big toe. The great strength gives the concrete structure a long lifespan and ensures the sustainable use of the tower. (Communication by the management of the company)

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