پاورپوینت ارزيابی كيفيت اجرایی ماشين های حفاری
قابل ویرایش 27 اسلایدSolution for increasing of performance:
• Change in material and design of bits.
• Improve the machine design.
• Improve the cutterhead design.
• Case study in Turkey
• The Hereke Tunnel, located in Turkey in the city of Kocaeli next to Istanbul.
• The tunnel included 50 m of horizontal section ( 0–50 m), where excavation started up, and 225 m of 9 inclined section ( 50–275 m).
• sedimentary formations including dry ( 0–50 and 150–275 m) and wet sections (50–150).
• Excavation was performed by using a shielded roadheader, Herrenknecht-SM1 with 90 kW of cutter head power, in the excavation diameter of 3.48 m.
برچسب ها:
پاورپوینت ارزيابی كيفيت اجرایی ماشين های حفاری ارزيابی كيفيت اجرایی ماشين های حفاری كيفيت اجرایی ماشين های حفاری ماشين های حفاری