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Résumé :
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T HE EMPIRICAL FORMULAS developed in this monograph for use by project planners or other interested persons will assist them in estimating volumes and basic dimensions for arch dams on future projects and in updating past estimates. The information contained here is to be used only as a guide for the preliminary layout of concrete arch dams. Topographic dimensions necessary to compute thicknesses, projections, and volume are structural height, H, and horizontal distances between abutments including estimated excavation to sound rock at crest elevation, L1, and 15 percent of H above base, L. Generally, results from the suggested formulas are conservative as compared with values computed more precisely.
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