Chicago : Engineering and Contracting Pub. Co. · leaf 456
the larger sizes. \ rational formula lor curvature compensa-tion is that known as the Markmann For-mula, published in EnGINEERJNG-ContraiTING,Vol. XXXVI, No. II. in its correct form: s..= s+~Tt S= Slope required in the curve to allowthe Velocity to be maintained. / velocit) of water in feet per… … Fig. 3—Diagram for the Design of Tile Drainage Systems. 442 ENGINEERING & CONTRACTING Vol. XXXVI. No. 17. of the imperfect joining of the pieces in thecurve a larger compensation is believed to benecessary than that given by the formula. From the results obtained from this for-mula, it is…
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