Under the same stress level, the more dense the joint was, the larger the bulking deformation, and the worse the stability of roadway would be.

• 在相同的应力作用下，岩体中节理越密集，表明岩体越破碎，产生的围岩破裂区就越大，围岩碎胀变形也越大，导致工程的稳定性越差；