ARCH STYLE WALE STRUCTURE

摘要

PURPOSE: An arch type waling structure is provided to apply to all kinds of construction fields such as a composite construction, a sheathing construction etc. and offer a sufficient rigidity with respect to the soil pressure in spite of a compact volume. CONSTITUTION: An arch type waling structure comprises first and second straight members(110,120), and an arch member(130). The first and second straight members respectively comprises an end projection portion and a round portion(117,127) in a side. The other sides of the first and second straight members are face contacted to a retaining wall or the lower surface of a lining board. The arch member is arranged between the first and second straight members and respectively joined to the first and second straight members by a connection member.