岩土工程勘察图例图示20250912(33 页)Good is good, but better carries it.精益求精,善益求善。关于岩土工程勘察图例图示的规定2025 年 9 月 20 日稿目 录1、总则............................................................................................................................................12、岩土工程勘察图例....................................................................................................................12.1 地质年代.............................................................................................................................12.2 土的图例.............................................................................................................................52.3 岩石的图例及符号............................................................................................................62.4、第四系分层及成因符号..................................................................................................92.5 地层代号............................................................................................................................92.6 勘察工作图例..................................................................................................................102.7 地质图例..........................................................................................................................122.8 常用地形图图例(1:500、1:1000、1:2000)................................................................152.9 工程建(构)筑物及常用建筑总图图例.......................................................................163、岩土工程勘察图示..................................................................................................................183.1 一般规定..........................................................................................................................183.2 图例图示..............................................................................................................