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阐述了参考线法,即建立一个自由平面直角坐标系,根据放样点位的相对位置进行放样。分析参考线法与传统放样方法的不同之处,介绍参考线法实施步骤,并以实例说明了参考线法测设在大坝加高工程中的应用情况。 更多还原

【Abstract】 In the process of construction,surveying,construction and other reasons lead the accuracy of point not enough high,or there was no accurate drawings as the basis,so that the traditional method of measurement could not be carried out smoothly,however,the reference line surveying method is a good way to solve this problem accurately and fast.In this article,it used the project of dam-heighten as an example to illustrate the application of reference line surveying method. 更多还原