EARTHQUAKE DAMAGE TO HYDRAULIC STRUCTURES IN CALIFORNIA

THE DAMAGE DONE TO HYDRAULIC STRUCTURES IN CALIFORNIA AND ADJACENT AREAS BY EARTHQUAKES THAT OCCURRED WITHIN THE PAST CENTURY IS DESCRIBED. UNCONSOLIDATED ALLUVIUM, GENERALLY SATURATED AND THICK, WAS THE PREDOMINANT MATERIAL UNDERLYING THE DAMAGED STRUCTURES. FILLED GROUND UNDERLAY MANY STRUCTURES IN THE SAN FRANCISCO BAY AREA. SUCH SOFT FOUNDATIONS ARE ESPECIALLY CORRELATED WITH DAMAGE THAT OCCURRED MANY MILES FROM EARTHQUAKE SOURCES. DISTANCES BETWEEN EARTHQUAKE EPICENTERS AND DAMAGED STRUCTURES RANGED FROM A FEW MILES TO 190 MILES. THE KIND OF DAMAGE VARIED WITH THE KIND OF STRUCTURE. CANALS, DITCHES AND DAMS SUSTAINED SLUMPING, FISSURING, SLOUGHING, AND OFFSET. PIPES WERE RUPTURED, TELESCOPED, PULLED APART AND BENT. STORAGE TANKS TOPPLED. VERY LITTLE INFORMATION WAS AVAILABLE ON REPAIR TIME AND COSTS. EIGHTY-TWO EARTHQUAKES ARE IDENTIFIED AS RESPONSIBLE FOR THE DAMAGE. COMPRISING DAMAGE RECORDED HERE ARE 53 STORAGE STRUCTURES, 22 DAMS, 35 MAJOR WATER CONDUITS, 101 WATER MAINS AND PIPES, 5 PUMPING AND POWER STATIONS, 13 IRRIGATION FACILITIES, 40 PETROLEUM STRUCTURES, 9 SEWERAGE STRUCTURES, AND 1 DYKE.

  • Supplemental Notes:
    • Bull No 116-3, 200 PP
  • Corporate Authors:

    California Department of Water Resources

    1416 Ninth Street
    Sacramento, CA  USA  95814
  • Publication Date: 1967-6

Subject/Index Terms

Filing Info

  • Accession Number: 00235329
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Oct 7 1994 12:00AM