| Summary: | In a construction project of G+19 Hotel & Residence, there have been parking problem due to lack of sufficient land. So to minimize these problem double basement have been designed for parking floor. The basement excavation is not easy to excavate without proper protection work for retaining deep excavations. Soil at its natural form, in a construction site is not suitable to completely bear heavy surcharge loads. For such situations, the soil stability needs to be improved to enhance its strengthen capacity and decrease the expected landslide. There are some techniques for retaining deep excavations for basements which are used at site to take surcharge load during excavation. Depending upon the loading conditions and nature of soil at site, a Cast-In-Place Bored Piling by Rotary Bored Machine technique have been adopted. This paper gives the overview and concept of Cast-In-Place Bored Piling by Rotary Bored Machine, discusses their practical applications and problems faced to Quality Control.
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