CUTTABLE MEMBER FOR SHAFT WALL, COLUMNAR BODY FOR SHAFT WALL, SHAFT WALL AND METHOD OF MANUFACTURING CUTTABLE MEMBER FOR SHAFT WALL

摘要

PROBLEM TO BE SOLVED: To provide a shaft wall having higher strength, by providing a cuttable member 15 causing little breaking by shearing. SOLUTION: This cuttable member 15 for the shaft wall is formed by superposing a fiber reinforced body 15a of the substantially same shape so that a superposing surface 16 becomes parallel to the arranging direction of fiber, by using the fiber reinforced body 15a of the specific direction in the arranging direction of the fiber. A reinforcing layer 20 having the fiber is arranged on a surface or the superposing surface. COPYRIGHT: (C)2005,JPO&NCIPI