JPKIC 结构设计原理 Tfeprniipledistnctiredesign 3.Structures in the course:all structures included in highway Route. For example:bridges,culverts,retaining walls,etc What is Principles of Structural Design? Design:for the activities to be carried out,according to a theoretical basis, people pre-plan and arrange to make the expected activities reasonably conducted3. Structures in the course: all structures included in highway Route. For example: bridges, culverts, retaining walls, etc What is Principles of Structural Design? Design: for the activities to be carried out, according to a theoretical basis, people pre-plan and arrange to make the expected activities reasonably conducted