CONSTRUCTION METHOD FOR UNDERGROUND CULVERT

摘要

The present invention manufactures a support member 100 having a bottom portion 110 and side wall portions 120 on both sides, but manufactures a support member such that nut portions 130 are formed at both edges of the side wall portion 120 step; The support member installation step in which the support member 100 is opened and installed, and the nut portions 130 of the side wall portions 120 on both sides installed adjacent to each other are coupled to each other by a coupling member 200 and a bolt 210 ; A waterproofing step of waterproofing a joint portion of the support member 100 installed adjacent to each other; An culvert installation step of installing a culvert 10 on the supporting member 100 installed in a row; by presenting a construction method of a culvert, which comprises, shortening the construction period and reducing inconvenience due to traffic control, Get excellent waterproof performance and durability.