Creation manner null of the mountain stop wall which possesses the parent

摘要

PURPOSE:To prevent loosening of a ground therearound and to increase a cut-off effect, by a method wherein an underground wall of soil cement is constructed, and newel piles, such as H-shape members, are driven at arbitrary intervals through the underground wall more deeply than the underground wall. CONSTITUTION:A soil cement wall 5 made of mixture of excavated earth and a cementing material, such as cement milk, is built to construct an underground wall 2 in a manner that the end parts are partially overlapped with each other. Thereafter, primer piles 3, such as H-shaped members, are driven in the underground wall 2 at arbitrary intervals. the newel piles 3 are driven more deeply than the underground wall 2 so that the lower ends thereof are positioned in a level lower by a necessary distance than the lower end of the underground wall 2. This permits reliable cut-off of water and prevention of settlement of a ground of the back of a landslide protection wall, and enables prevention of collapse of earth through endurance of an earth pressure and a water pressure with the aid of the newel piles.