Through analyzing the influence for washing process of rock-salt cavern with coupled mechanical-dissolving effect

mechanism of washing process of rock-salt cavern under coupled mechanical-dissolving effect has been studied. The research results show that during the washing process

influence for rock-salt cavern shape by coupled mechanical-dissolving effect can not be ignored. The mechanism of washing process of rock-salt cavern under coupled mechanical-dissolving effect is that because of dissolving effect the mechanical properties of wall rock of rock-salt cavern within the scope of influence by water has been changed; and then because of the variation for the mechanical properties of the boundary of wall rock

the dissolving process in the interior of rock-salt cavern has been changed; so that the variation for the shape of rock-salt cavern has occurred. According to the mechanism of washing process of rock-salt cavern under coupled mechanical-dissolving effect

the computing method of washing process of rock-salt cavern under coupled mechanical-dissolving effect has been built. Based on the established computing method

by computing program of rock-salt cavern shape under coupled mechanical-dissolving effect and FLAC software the washing process of rock-salt cavern has been computed. the computing results show that compared with the computing shape of rock-salt cavern under dissolving effect

the computing shape of rock-salt cavern under mechanical-dissolving effect more coincided with the actual shape of rock-salt cavern. The results can provide a foundation for further analysis of the mechanism of washing process of rock-salt cavern.