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在陡坡地而上修筑路基,进行路基放样时,现在国内外多采用逐渐接近法。这种方法,实质上是试凑法,在放样的过程中需要返复的进行测量和多次的计算。因而,在计算上非常繁琐,精度上由于测量的积累误差而不高,在陡坡上操作更加麻烦而容易产生差错。为了减少上述的缺点,观提出一次测设完成路基放样的方法,即:“计算—坡度尺法”。
In the steep slopes and the construction of roadbed, when roadbed lofting, now at home and abroad to gradually adopt the law. This method, in essence, is a trial and error method, in the process of setting out the need for the return of the measurement and multiple calculations. Therefore, it is computationally cumbersome, the accuracy is not high due to the accumulated error of the measurement, and the operation on the steep slope is more troublesome and error prone. In order to reduce the above shortcomings, the paper proposes a method of measuring and setting out the roadbed lofting, namely: “Calculate - slope scale method”.