Analysis of Deformation of Vertically Vertically Loaded Piles by Mark F. Randolph, (Univ. Asst. Asst. Lect., Cambridge Univ., Univ., Cambridge, England) and C. Peter Univ., Cambridge, England) Wroth, (Reader in Soil Mechanics, Cambridge Univ., Journal of the Geotechnical Engineering Division, Division, Vol. Vol. !", #o. $, %ecember &', &' , . "*+ " -rch ase /n0orma -rchase /n0ormation tion -ermi -e rmissi ssion onss 0o 0orr Re Res see
Document type: Astract:
1ornal -aer An aro2imate closed0orm soltion has been obtained to the roblem o0 a vertically loaded ile in a linear elastic soil. 3his soltion has been derived by ncoling the loadtrans0er 0or the ile into searate sha0t and base comonents. 3hroghot the develoment o0 the analysis, 4ellroven nmerical techni5es have been sed to veri0y that the assmtions made are reasonable. 3he 0inal 0orm o0 the soltion gives the loadsettlement ratio o0 the ile in terms o0 the ile geometry and sti00ness and soil sti00ness. 3he analysis has been sed to bac6 analy7e ile tests, enabling immediate estimates o0 the soil sti00ness ro0ile to be made 0rom the measred loadsettlement crve o0 the ile. 3he alication o0 the method to ile design is demonstrated8design crves being s6etched 0or iles o0 di00erent geometries in t4o tyical so0t clay c lay deosits.
3itle9 STATIC STATIC AND A ND DYNAMIC ANALYSIS ANALYSIS OF O F PILE PIL E FOUNDATIONS
Accession #mber9 00208470
Record 3ye9 Component
Abstract9 ANALYSIS OF PILE FOUNDATIONS IS ACCOMPLISHED BY CALCULATION OF THE STIFFNESS COEFFICIENTS. PILING LOADS AND DEFLECTIONS CAN BE DETEMINED! AS "ELL AS THE PINCIPAL FE#UENCIES. FE#UENCIES. A$IAL AND TOSIONAL ELASTIC
CONSTANTS FO A PILE MAY BE AD%USTED TO THE PHYSICAL POBLEM. THE TOSIONAL CONSTANT HAS NEGLIGIBLE EFFECT AND MAY USUALLY BE NEGLECTED. THE ELASTIC CONSTANTS DEPENDENT ON BENDING MAY BE DEI&ED IN SE&EAL "AYS INCLUDING TESTS O PHYSICAL MODELS BASED ON AN ASSUMED BEHA&IO OF THE SYSTEM SUCH AS' A SEMI(INFINTE BEAM ON AN ELASTIC FOUNDATION! A FEE CANTILE&E FI$ED AT AN ASSUMED DEPTH! O AS A FEE CANTILE&E FI$ED TO A SEMI( INFINITE BEAM ON AN ELASTIC FOUNDATION. THE STIFFNESS INFLUENCE COEFFICIENTS MAY BE FOMED FOM SIMPLE MATICES DEFINING ELASTIC CONSTANTS AND POSITION O FOM A LIST OF E#UATIONS. )ASCE)
Slemental #otes9 &o* +4! No ST ,! PP -077(--00! 7 FIG! TAB! 28 EF! 4 APP
Athors9 Saul, W E -blication %ate9 -+8(,
Serial9 %o/n1* o t3e St/t/1* D5655on
-blisher9 American Society o0 Civil Engineers 3R3 3erms9 Ben5n9: C1nt5*e6e: Comp*51ne ont1nt: De;et5on: Fo/n1t5on: Lo1: M1t5e
ne: St/t/1* 1n1*?5: To5on
Uncontrolled 3erms9 Lo15n9
Sb:ect Areas9 B59e 1n ot3e t/t/e: H593@1?
;iles9 TIS
3rochanis A, $!9?!@$&
Journal of Geotechnical Engineering
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Horizontal Response of Piles in Layered Soils Article History P/*53e' 0- %1n/1? -+84 Publication Data ISSN
George Gazetas1 and Ricardo Dobry !e"bers AS#E$
Assoc. -ro0. o0 Civ. Engrg., Rensselaer -olytechnic /nst., 3roy, #.. $
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-ro0. o0 Civ. Engrg., Rensselaer -olytechnic /nst., 3roy, #.. $
An ine2ensive and realistic rocedre is develoed 0or estimating the lateral dynamic sti00ness and daming o0 0le2ible iles embedded in arbitrarily layered soil deosits. Starting oint is the determination o0 the ile de0lection ro0ile 0or a static 0orce at the to sing any reasonable method8beamonBin6ler 0ondation, 0inite elements, 4ellinstrmented ile load tests in the
0ield, etc. Material as 4ell as radiation daming de to 4aves emanating at di00erent deths 0rom the ilesoil inter0ace are rationally ta6en into accont> the o verall e5ivalent daming at the to o0 the ile is then obtained as a 0nction o0 0re5ency by means o0 a sitable energy relationshi. 3he method is alied to stdy the dynamic behavior o0 three di00erent iles embedded in t4o ideali7ed and one actal layered soil deosit> the reslts o0 the method, obtained b y hand comtations, comare 0avorably 4ith the reslts o0 three dimensional d ynamic 0inite element analyses. Pem1*5n' 3ttp')).o5.o9)-0.-0-)
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