Within the scope of ground investigation studies, a total of 1,140 m of borings at 25 m and 35 m lengths, laboratory tests and geophysical measurements were carried out on the samples taken from the borings. Within the scope of ground improvement works, a total of 10,419 m (ϕ65/80 cm) bored piles were installed under the foundation of the factory structure. In the shoring project with a maximum excavation height of 8.5 m: 2,800 m (ϕ30 cm) mini piles for permanent shoring and 3,618 m of permanent ground nails were undertaken. In 2023, a total of 1,860 m (ϕ80 cm) bored piles and 3,500 m (ϕ65 cm) concrete columns (unreinforced bored piles) were constructed in the Chemical Storage area.
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