AI SearchAnalysis of cutter torque using in-situ data
Call Number: AIT Thesis no. GT-93-20 Material type:
TextSeries: Asian Institute of Technology. Thesis ; no. GT-93-20Publication details: Bangkok : Asian Institute of Technology, 1994Description: 111 leavesSubject(s): Online resources: Dissertation note: Thesis (M.Eng.) - Asian Institute of Technology, 1994 Summary: Previous research or practice design are focued on v=O, (i.e. acting earth pressure on cut bit =O). The earth pressure at face is equal to the earth pressure at rest under excavation. And most of the design is based on experience and is on the safe side (i.e. have larger safety factor) . Because of ground condition, velocity of shield, structure of cutter fa ce and earth fill in the chamber condition, will influence to cutter torque and some of this are still not clear. This research work acting load on the cutting face is trying to make clear. The shield machine cutting velocity will put into consideration. It is try to make clear the pushing resistance with cutter torque and to testify the proposed model , by applying multiple regression statistics method to in~situ data. To obtain the equation of pushing resistance , hence to calculate the component of cutter torque.
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A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Civil Engineering
Thesis (M.Eng.) - Asian Institute of Technology, 1994
Previous research or practice design are focued on v=O, (i.e. acting earth pressure on cut bit =O). The earth pressure at face is equal to the earth pressure at rest under excavation. And most of the design is based on experience and is on the safe side (i.e. have larger safety factor) . Because of ground condition, velocity of shield, structure of cutter fa ce and earth fill in the chamber condition, will influence to cutter torque and some of this are still not clear. This research work acting load on the cutting face is trying to make clear. The shield machine cutting velocity will put into consideration. It is try to make clear the pushing resistance with cutter torque and to testify the proposed model , by applying multiple regression statistics method to in~situ data. To obtain the equation of pushing resistance , hence to calculate the component of cutter torque.
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