TM 5-818-5/AFM 88-5, Chap 6/NAVFAC P-418
A F R E Q U E N T L Y E N C O U N T E R E D DEWATERING S Y S T E M I S O N E W I T H T W O L I N E S O F P A R T I A L L Y
PENETRATING WELLPOINTS ALONG EACH SIDE OF A LONG EXCAVATION, WHERE THE FLOW
CAN BE ASSUMED TO ORIGINATE FROM TWO EQUIDISTANT LINE SOURCES.
(Modified from "Foundation Engineering," G. A. Leonards, ed., 1962, McGraw-Hill
Book Company. Used with permission of McGraw-Hill Book Company.)
Figure 4-5. Flow and head (midway) for twopartially penetrating slots; two-line source; artesian and gravity flows,