Abstract:

As a part of the cost planning and control system, the estimated total cost is of great importance. Serious preparation of the estimated total cost is helpful to the improving of the project cost control capability and thus helpful to the achieving of better economic benefits. In the paper, the principle, contents and importance of the preparation of the estimated total cost for TBMdriven tunnel works are presented on basis of TBMdriven tunnel work cases.

Key words: TBMconstruction projectestimated total cost, preparation