Pile cap foundation software11/30/2022 The C60 self-consolidating concrete piles are 1.5 in diameter and 47.45 long. The Tower raft is supported by 192 bored cast-in-place piles. The raft is 3.7 thick and was poured utilizing C50 (cube strength) self-consolidating concrete. įigure 7-3 Mesh of Burj Khalifa piled raft with piles of element length = 2.0 7.5 Pile and raft material Only long-term conditions have been considered, and for most of the early analyses, an average load per pile of 23.21 has been used (this is a representative of the design dead and live loads) and has been applied as an uniformly distributed load on the tower raft of about 1250. Piles are divided into five elements with 9.49 length. The raft is divided into triangular elements with a maximum length of 2.0 as shown in Figure 7-3. In which, results of other analytical solutions and measurements are compared with those obtained by ELPLA. The foundation system is analyzed as an elastic piled raft in which the raft is considered as an elastic plate supported on equal rigid piles.Ī series of comparisons are carried out to evaluate the nonlinear analyses of piled raft for load-settlement relations of piles. (2006) and El Gendy (2007):ġ- Hyperbolic Function for Load-Settlement Curve. Using the available data and results of the Burj Khalifapiled raft, which have been discussed in detail in the previous references, the nonlinear analyses of piled raft in ELPLA are evaluated and verified using the following load-settlement relations of piles, El Gendy et al. įigure 7-2 Burj Khalifa Tower Foundation system Figure 7-2 shows an isometric view of Burj Khalifa Tower foundation system and a plan for pile locations.Įxtensive studies using different calculation methods were carried out by Poulos and Bunce (2008), Badelow & Poulos (2016) and Russo etc. The tower raft consists of three wings each is 50 long and 25 wide forming an area of 3305. The tower is founded on a 3.7 thick raft supported on 192 bored piles, 1.5 in diameter, extending 47.45 below the base of the raft podium structures are founded on a 0.65 thick raft (increased to 1 at column locations) supported on 750 bored piles, 0.9 in diameter, extending 30–35 below the base of the raft. Burj Khalifa is located on a 42 000 site. With a total height of 829.8 and a roof height (excluding antenna) of 828, Burj Khalifa has been the tallest structure and building in the world since its topping out in late 2008, Figure 7-1. The total height of the building is 829.8, with a podium development at its base, including a 4 to 6-storey garage. 7 Case study 7: Burj Khalifa piled raft 7.1 Generalīurj Khalifa is a 163-storey skyscraper in Dubai, United Arab Emirates.
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