In light of the conditions occurring in highway project construction,such as the earth and stone＇s cubic meter calculation of roadbed is not accurate,the cushion cap and tie beam of bridges expose or bury too deep,the bank pier comes to nothing or dashes into the excavation section too much,the bottom elevation of the culvert design is unreasonable,the tunnel into and out of the hole design is unreasonable,the roadbed protection and drainage works don＇t match with the fact.The article discusses the ways and notes of external measuring and surveying in the survey and design stage,providing a more accurate basic data and information for the construction drawings and design.%针对公路项目施工中出现的路基土石方计算不准确,桥梁承台、地系梁外露或埋入太深、桥台落空或进入挖方段太多,涵洞涵底标高设计不合理,隧道进、出洞口设计不合理,路基防护、排水工程与实地不符等情况,从测设阶段探讨外业测量和勘察的方式方法及注意事项,为施工图设计提供更为准确的基础数据和资料。
展开▼
