Question

Write a research report on the following topics:

1. Shaft friction of non-displacement piles in sand 2. Pile end-bearing capacity in sand considering soil compressibility 3. End-bearing capacity of piles in crushable soils 4. Axial capacity of driven piles in sand 5. Settlement of vertically loaded piles

Answer 1

Sond 1. Snatt trichn ob Non displacement No dlsplacemect sou displacement pile non Pile- durin in fallattm thi ou a ye tormed in Pileo voids Such CSncyete hlad wit then these voids beSupported eitner prmaneaty by casing Beatonite suy aru excavatin Ond Sidoo o void Con termporevily using Nen displacemnet pilea Bored cast in situ OY a s taxtne closied Con Boxed pve cas Theve in no vibratigm Cnd Kaaoing ob ground no roise no this case at site installed easily -pile Ob Bile diametey be Ond piles Lavge dia upto Varied Leng th o these Con Con be Ond vexy En loxgea be 3 timeo end can dloys tha instaltatisn ol pile, sou an tha un case made Dusieg streo ab to Softens duig baring Loss f bore hole duu Ple contoct with wate 3d cenereting Shoar Strergth. Bulb ins talled Pile shoula be casted. ov immedictay aftex bexig earig cofecity compreibity Pile is Sona cencidering end Soll troaster lood thrug baaring piles used End stratum, Passing suitotle ths pile tip to beavig wate y OY Soft Soit beving capecity pile in ena Sondy etrdm comprerokiuty a texms sheay shnes settlenent oL ple p empivicel detexmined n triction anglk Ond tha Also disassed the Lons modes on

sods bain cafacity When tree toatrg bearig pile 9rounA Large migniuda the lip o fre foati pila. Cou grains it also Ob Pileo in Crushablu 3. End the Sto inserted at develeped o Strepe eush diples.emea whch causes the pile load choractersuio Spherical Caue tina Cruashebiuty covity bo used exporsisn beaig dacrea frictin Grg with meth od it also tha copeuty Considev Our end Gnd mean nomal styesses A iaea elationchip Campcaiit between a out Sou ndex Cp nd pile Settlement 4-Axial copacity Driven piles dviven files to support drivsn piles Sond Axial structure tha used Load copaity be find out con olloun two methods Static metho d durig the tene o which bused design for test pilea used mathad whch Dynenie eaving that Yesistene Point We know eective Ciiven on Is Code as per value strer at th base pile where Na thi efective stre whicn th valua that 9t hes been naeaseo upto csnsidered certain depth sond olte cevtain dept insigiticoar ie thaeor voue to be coston it in assumed vaua token the Hence n case depth corea pendig To

&-Settlement overtcally loadet palao ar th tap Campreive loa P to tend Oppied when downword verücally move pile the piu will frictur b Shat As rictimal CY t thia Shear Due Yelarirs soi Surbace cnd betwen developeo digtributed zeauit opplicd. Loaa logtn obpila increased rictimed mplete langt beaxing yesistone Joad aLng certan YeIstonce As load but by pile will be vary en mabilised Over trot time Point fui point loeaving veaistons stvem the shen icthnel value will mcximum