미 워싱턴 가설 교량 거더 설치 동영상 Setting a Bridge Girder: VIDEO

미 워싱턴 가설 교량 거더 설치 동영상

길이 24m 25톤 짜리 3개가 거치된다.

Here Apollo is setting a support girder for a temporary bridge in Washington State. 

This was one of three girders set for that bridge, each was 80ft long and about 23 tons (~45,000 lbs).