APPENDIX B 



RUNUP REDUCTION FACTOR, r, FOR VARIOUS TYPES OF 

 ROUGH AND POROUS STRUCTURES (Stoa, 1979) 



I. VALUE OF r FOR QUARRY STONE RUBBLE-MOUND STRUCTURE (HIGH CORE) 



r = 0.52 



Quorrystone 

 /armor layer 



£5 2 stones thick; \ 

 m placement/ 



0.75 < -r^s I.I Core 



3 Underlayers 



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