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Large and deep Bored Piles are getting more and more common in modern Foundation Design and Construction. The fastest and most economic construction method for such piles is the Rotary Kelly Drilling Method. There is no official international list recording the deepest Foundation Piles in the World. Having said this, until today the barrette foundation for the Petronas Twin Towers (Kuala Lumpur) is being reported as the deepest foundation in the world. The barrettes for the Twin Towers reached a maximum depth of about 125 m below ground level. The barrettes were constructed from a reduced level of about 20 m below ground level, making the installation depth to about 105 m. For the tallest building in the world, the Kingdom Tower in Jeddah, Bored Piles were installed up to 109 m deep, Beckhaus et al. (Specific quality aspects of deep foundations explained with the case of the deep 109 m deep drilled shaft installation at jeddah tower, 2017). This depth represented the deepest Kelly drilled Bored Pile in the world for a Building (HKZMB reached a depth of > 110 m), Domanski (Rotary Kelly drilling for the bored pile foundation of the Hong Kong Zhuhai Macao Bridge. Hyderabad, 2019) but still short to break the depth of the barrettes for the Twin Towers in Kuala Lumpur. Now again, in Kuala Lumpur, Arah Moden, a subsidiary company of KLCC Holding planned to build the Lot L&M Towers with an originally planned height of approx. 800 m. The foundation for these proposed Towers were anticipated to reach a depth of up to 150 m below ground level. The Foundation Package was awarded to Bauer (M) Sdn Bhd. The construction of the Diaphragm Wall and deep Foundation has been completed successfully in late 2019. The following paper will provide a brief introduction of the proposed Development, introduce the world’s biggest Rotary Kelly Drilling Rig, BG 72, employed on this project, explains the difficult karst Geology on the site and the Engineer’s Design Principles. The paper will further report about the challenges the construction of such Mega-piles does cause and were successfully overcome by the construction team for the Lot L&M works.

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Bored Pile Foundation for KLCC Lot L&M, KLCC Breaks Its Own Held World Record in Pile Depth for Twin Towers Foundation History and Case Study for the Deepest Bored Pile in the World

  • 会议论文

  • 发表日期：

    2025年

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  • Thomas Domanski

摘要

Large and deep Bored Piles are getting more and more common in modern Foundation Design and Construction. The fastest and most economic construction method for such piles is the Rotary Kelly Drilling Method. There is no official international list recording the deepest Foundation Piles in the World. Having said this, until today the barrette foundation for the Petronas Twin Towers (Kuala Lumpur) is being reported as the deepest foundation in the world. The barrettes for the Twin Towers reached a maximum depth of about 125 m below ground level. The barrettes were constructed from a reduced level of about 20 m below ground level, making the installation depth to about 105 m. For the tallest building in the world, the Kingdom Tower in Jeddah, Bored Piles were installed up to 109 m deep, Beckhaus et al. (Specific quality aspects of deep foundations explained with the case of the deep 109 m deep drilled shaft installation at jeddah tower, 2017). This depth represented the deepest Kelly drilled Bored Pile in the world for a Building (HKZMB reached a depth of > 110 m), Domanski (Rotary Kelly drilling for the bored pile foundation of the Hong Kong Zhuhai Macao Bridge. Hyderabad, 2019) but still short to break the depth of the barrettes for the Twin Towers in Kuala Lumpur. Now again, in Kuala Lumpur, Arah Moden, a subsidiary company of KLCC Holding planned to build the Lot L&M Towers with an originally planned height of approx. 800 m. The foundation for these proposed Towers were anticipated to reach a depth of up to 150 m below ground level. The Foundation Package was awarded to Bauer (M) Sdn Bhd. The construction of the Diaphragm Wall and deep Foundation has been completed successfully in late 2019. The following paper will provide a brief introduction of the proposed Development, introduce the world’s biggest Rotary Kelly Drilling Rig, BG 72, employed on this project, explains the difficult karst Geology on the site and the Engineer’s Design Principles. The paper will further report about the challenges the construction of such Mega-piles does cause and were successfully overcome by the construction team for the Lot L&M works.