Motivation of breaking is struggle, struggle is prime, philosophical background of struggle is industrial economy.

During the initial period of building new china,our party adopted the dual cultural policy,namely breaking and building culture tactics,handled well the relation between the culture construction and the national conditions of New Democracy Society,borrowing and absorption,inheritance and development.

In this paper, based on example in engineering reinforce fractured weak rock,the home position test technique and the experience are applied to establish design parameters and models, adjust measures to suit local conditions, us.