施工测量放样是在勘测设计部门已确定的坝址处,根据地形平面形状,将坝址的轮廓按设计标准尺寸放在地面上。施工测量放样是土坝施工中的一项重要工作。放样准确,可以使工程达到设计要求,使施工顺利。根据放样的范围清理坝基,开挖截水槽或心墙基础,作好施工排水、备料等工作,减 Construction survey stakeout is in the survey and design department has been identified at the dam site, according to the terrain plane shape, the outline of the dam site according to the design standard size on the ground. The construction survey is an important work in earth dam construction. Staking out accurate, can make the project meet the design requirements, so that the construction is smooth. According to the scope of lofting to clean up the dam foundation, excavation cut off the trough or heart wall foundation for construction drainage, preparation and other work, minus