JT/GQB 014-1973 Standard Drawings for Highway Bridges and Culverts - Public Structures in the Upper Part of Beam Bridge - Safety Belt, Sidewalk, Guardrail, Expansion Joint, Drain Pipe and Support
Standard Drawings for Highway Bridges and Culverts - Public Structures in the Upper Part of Beam Bridge - Safety Belt, Sidewalk, Guardrail, Expansion Joint, Drain Pipe and Support