ICS 93.010 CCS P 13 45 广 西 壮 族 自 治 区 地 方 标 准 DB45/T 2774—2023 海洋牧场岩土工程勘察规程 Code of practice for marine ranching geotechnical engineering investigation 2023-12-12发布 2024-02-01实施 广西壮族自治区市场监督管理局 发布 DB45/T 2774 —2023 I 目次 前言 ................................ ................................ ................ III 1 范围 ................................ ................................ ............... 1 2 规范性引用文件 ................................ ................................ ..... 1 3 术语和定义 ................................ ................................ ......... 1 4 勘察原则和总体要求 ................................ ................................ . 2 4.1 总则 ................................ ................................ ........... 2 4.2 基本原则 ................................ ................................ ....... 2 4.3 总体要求 ................................ ................................ ....... 2 5 勘察内容 ................................ ................................ ........... 3 6 勘察方法 ................................ ................................ ........... 3 7 资料收集 ................................ ................................ ........... 3 8 海洋牧场勘察 ................................ ................................ ....... 3 8.1 导航定位 ................................ ................................ ....... 3 8.2 调查 ................................ ................................ ........... 4 8.3 地球物理勘察 ................................ ................................ ... 6 8.4 初步勘察海洋牧场岩土钻探 ................................ ...................... 16 8.5 详细勘察人工鱼礁场址岩土钻探 ................................ .................. 16 8.6 详细勘察海上固定式平台场址岩土钻探 ................................ ............ 18 8.7 其它设施单元勘察规定 ................................ .......................... 18 9 原位试验 ................................ ................................ .......... 18 9.1 一般规定 ................................ ................................ ...... 18 9.2 标准贯入试验 ................................ ................................ .. 18 9.3 圆锥动力触探试验 ................................ .............................. 19 9.4 微型十字板剪切试验 ................................ ............................ 19 10 土工试验 ................................ ................................ ......... 19 10.1 土工室内试验内容 ................................ ............................. 19 10.2 试验室土工试验方法 ................................ ........................... 19 11 水质分析评价 ................................ ................................ ..... 19 12 场地岩土工程分析 ................................ ................................ . 20 12.1 场地流场分析 ................................ ................................ . 20 12.2 场地冲淤稳定性分析 ................................ ........................... 20 12.3 场地环境影响分析 ................................ ............................. 20 12.4 场地地震效应分析 ................................ ............................. 20 13 成果报告 ................................ ................................ ......... 21 13.1 成果报告编写 ................................ ................................ . 21