60+128+60m系杆拱连续梁桥拱脚混凝土浇筑施工与探讨
60+128+60m계간공련속량교공각혼응토요축시공여탐토
The Discussion of 60cm+128cm+60cm Tie Rods Join the Bridge Arch Foot Concrete of Continuous Roof Beam to Build and Construct