Precast concrete segment for arch type culvert

摘要

The present invention is to provide an arched passage that can contribute to easy construction, air shortening, and construction quality in constructing underground buried channel or passage, and has an L-shaped base at the top. A precast wall for prefabricated arched passageway construction is provided which is combined with a precast wall material having a ground portion at its lower end, and a precast ceiling plate having a cross section corresponding to the support jaw.;The present invention also provides a precast wall material for constructing an arched passageway having an L-shaped base jaw on both sides of an upper end and a ground portion at a lower end thereof.;In addition, the present invention also provides a ceiling plate fixed across the tension member between both ends to increase the resistance to earth pressure.