Cluster diameter reaming na one specialized drilling operation within DTH percussion drilling methodology, where multiple coordinated percussion hammers work simultaneously to enlarge boreholes to precise specifications for deep foundation applications. Dis technique essential for geotechnical engineering projects wey require strict dimensional accuracy and efficient rock breaking in challenging ground conditions. Cluster diameter reamer operate by applying combined percussive force through several interconnected downhole hammers, wey strike borehole wall concentrically to achieve uniform expansion and smooth wall surfaces. Dis coordinated impact approach significantly improve drilling efficiency compared to single-hammer operations, particularly when penetrating competent rock formations, dense gravels, and heavily cemented soils wey dem encounter for foundation engineering work.
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