25 March 2022
Pit Crusher Wing Wall Construction with Paramesh
Two wing walls need to be constructed next to the concrete retaining wall crusher of Indexim Pit Crusher located in Kaliorang District.
The total area of the wing wall facing is about 165 m2 with a total height range between 11m, 9.5 m, and 7 m. The walls will carry a load of a DT-40 vehicle or equivalent to a 10 kPa load. The solution proposed is Paramesh, which is a combination of the Terramesh® system as secondary reinforcement and ParaLink™ 300 as primary reinforcement to provide stability to the system.
PT Indexim Coalindo is a coal mining company operating in the East Kutai area, East Kalimantan Province. Two wing walls need to be constructed next to the concrete retaining wall crusher of Indexim Pit Crusher located in Kaliorang District. The concrete wall as the main pit crusher has already been constructed by the owner. However, better construction time and cost efficiency are needed for these two wing walls.
The soil condition consists of a layer of organic soil with a thickness of 1-2 m, then covered by hard silty clay which is very dense and even contains coal material, followed by moderately weathered siltstone material. The total area of the wing wall facing is about 165 m2 with a total height range between 11m, 9.5m, and 7 m. These walls will carry a load of a DT-40 vehicle or equivalent of a 10 kPa load.
The solution we propose is Paramesh, which is a combination of the Terramesh® system and Geogrid (Paraproducts and MacGrid™). In this project, the Terramesh® system that acts as secondary reinforcement was combined with ParaLink™ 300 as primary reinforcement to provide stability to the system. The excavated soil at the project site is proposed to be reused as fill material to maximize time and cost efficiency, following the owner’s expectations.
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