测量相关案例..docVIP

中国地质大学（北京） 成人高等教育 本 科 毕 业 论 文 题 目 路基施工放样 学生姓名 宠金磊 班 号 2班 专 业 测绘工程 学 号 12063029300 指导教师 职 称 函授站 2016年03月 摘 要 目 录 摘要································································1 前言································································2 路基施工前准备···············································3 1.1组织准备工作··················································3 1.2技术准备工作··················································3 1.3施工场地清理········· ·······································5 第二章 路基施工放样基本方法·········································6 2.1已知距离放样··················································6 2.2已知高程放样··················································7 2.3已知点的放样··················································8 第三章 路基的施工放样···············································9 3.1导线点坐标的恢复和标定·······································11 3.2水准点的复查与加密···········································11 3.3路基中桩放样·················································11 3.4路基横断面施工放样···········································13 3.5 机械话施工路基横断面的控制···································13 3.6路基边桩放样·················································13 3.7路基边坡放样·················································14 3.8路基施工阶段各层面抄平·······································14 3.9施工放样中的误差处理·········································15 第四章 结论························································17 致谢·······························································18 参考文献···························································19 附录·······························································20 摘要 公路路基施工要点包括施工前的准备工作，填挖作业，试验检测等工作，是保证公路工程质量的重要因素。在工程建设中，工程测量是一项极其重要的基础性工作。公路工程路基施工放样主要是利用测量技术将图纸上的工程构造物的平面位置和高程在实地标定出来，作为施工依据。在施工过程中，检测工程构造物的几何尺寸，以实现从设计图纸到工程实务的质和量的转变。路基是一条公路的基础，路基施工放样的任何一次失误，都可能导致工程施工出现较大偏差，从而引起返工和延误工期，给工程带来巨大损失。本文