इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 14765 (2000): Determination of Water Retention Capacity in Soils - Method of Test [FAD 7: Soil Quality and Gertilizers] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 14765 : 2000 Indian Standard NOITANIMRETED FO RETAW NOITNETER YTICAPAC NI SLIOS - METHOD FO TSET SK 080.31 -- 0 BIS 2000 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 .Junwir), 2000 Price Group 1 Soil Quality and tnemevorpmI lanoitceS ,eettimmoC DAF 27 DROWEROF sihT naidnI dradnatS was adopted yb the uaeruB of naidnl ,sdradnatS after the draft dezilanif yb the lioS ytilauQ dna tnemevorpmI lanoitceS eettimmoC had neeb devorppa yb the dooF dna erutlucirgA noisiviD .licnuoC ehT ytiliba of lios ot store water si dellac sti water noitneter .yticapac sihT sdneped nopu the ytitnauq dna tnemegnarra of suoirav sized particles, namely, sand,-silt and .yalc ecniS water si deniater ni the pores created yb the tnemegnarra of these yramirp ,selcitrap ti si erom etairporppa ot enifed water noitneter ni smret of ,ezis rebmun dna tnemegnarra of pores rather naht of .selcitrap ehT ytisorop si erom for yalc naht ydnas .lios nI gnillews slios ytisorop nac ton eb ylesicerp .denifed ,ylralimiS the ecneserp of hgih cinagro nobrac tnetnoc dna muidos ni the egnahcxe xelpmoc yfidom the water noitneter yticapac of .slios ehT esu of the mret ’yticapac‘ ,si ,revewoh nidaelsim g as the retaw-lios metsys si ton citats tub .cimanyd ehT water tnemevom does ton nigeb or cease at a ralucitrap eulav of retaw-lios tnetnoc tub si a suounitnoc process. roF siht nosaer the esu of retaw-lios stnatsnoc hcus as cipocsorgyh tneiciffeoc tniop si ton preferred as these tneserper emos yrartibra .seulav More tnatropmi si the ygrene htiw hcihw water si dleh ni the ,lios osla demret as the ’ytisnetni‘ .retemarap ehT ygrene of water ni a detarutas lios si ylraen the emas as that of erup free water at the emas erutarepmet dna .noitavele ,revewoH htiw the decrease ni water tnetnoc of ,lias evitprosda dna yrallipac forces emoceb ylgnisaercni tnatropmi dna yltneuqesnoc decrease the laitnetop ygrene yticapac( ot do work) of lios water. ehT latot laitnetop ygrene of water ni lios si dedivid otni ruof ,stnenopmoc ,yleman )i( the cirtam ,laitnetop eud ot noitcartta of lios xirtam for water, )ii( the citomso laitnetop eud ot devlossid ,stlas )iii( the lanoitativarg laitnetop eud ot ,noitisop dna )vi( the erusserp laitnetop eud ot lanretxe gas erusserp or water .nmuloc nI detarutas lios the cirtam laitnetop si ,elbigilgen elihw for detarutasnu slios the erusserp laitnetop si .elbigilgen cirtaM laitnetop stluser morf forces detaicossa htiw the ladioloc xirtam dna sedulcni forces detaicossa htiw ,noitprosda ,ytirallipac dna devruc retaw-ria .secafretni sihT si denifed htiw respect ot a free water at the emas noitavele erutarepmet dna .erusserp tI has a evitagen ngis hcihw si netfo expressed as cirtam noitcus or lios erutsiom .noisnet ecniS the noitcus dna noisnet smret are sevlesmeht evitagen these are desu htiw a evitisop .ngis ehT retaw-lios si ton yllauqe elbaliava ot the stnalp ni the eritne erutsiom-lios egnar morf noitarutas ot yna eulav ni the yrd .egnar sA the cirtam laitnetop decreases so si the decrease ni water .ytilibatiava ehT fo’egnar water laitnetop of larutlucirga ecnacifingis si yllausu morf 3/l- (or 01/l- for coarse derutxet slios ot 51- rab rednu elbarea lios ,snoitidnoc dna neewteb evitisop heads 51- rab rednu ciboreanu .)snoitidnoc ehT elcitrap dna ezis-erop snoitubirtsid are detcelfer ni the pihsnoitaler neewteb water tnetnoc dna water laitnetop of a .lios ehT sevruc gniwohs the pihsnoitaler are nwonk as lios‘ erutsiom citsiretcarahc .’sevruc esehT sevruc are ton euqinu ni character as yeht tibihxe niatrec tnuoma of siseretsyh eud ot rieht ycnedneped no lios erutcurts tub do edivorp lufesu noitamrofni no elbaliava water storage yticapac of ,slios erutsiom noitelped at a ralucitrap noitcus dna cisab noitamrofni gnidrager retaw-lios .spihsnoitaler SI 14765 : 2000 Indian Standard NOITANIMRETED FO RETAW NOITNETER YTICAPAC NI SLIOS - METHOD FO TSET 1 SCOPE ,)selpmas (3) ,ecnalaB (4) gniyrD ,nevo (5) erutsioM ,snac (6) egniryS or ,ettepip (7) eveiS sihT dradnats sebircserp dohtem for noitanimreted of (2 mm ezis ot prepare debrutsid lios ,)selpmas water noitneter yticapac ni .slios (8) rebbuR sgnir 1 mc hgih dna tuoba 6 mc 2 DETERMINAT-fON OF WATER RETENTION retemaid ot niatnoc debrutsid lios ,selpmas CAPACITY IN SOILS (9) lioS gnilpmas sregua ot draw debrutsid dna debrutsidnu lios ,selpmas (10) muucaV 2.1 Principle ,rotaccised (11) Motor operated noitcus .pmup nI a detarutas lios at muirbiliuqe htiw free water at 2.3 Procedure the emas ,noitavele the lautca erusserp si ,cirehpsomta dna ecneh the citatsordyh erusserp dna the noitcus or 4 Tension Table - nI noisnet elbat the elbixelf noisnet are zero. sA noitcus si desaercni or water citsalp gnibut si dellit htiw dellitsid water erusserp semoceb rehgih naht cirehpsomta the tsegral tuohtiw yna ria .elbbub tI si neht decalp no a pores hcihw nac ton niater water tsniaga siht elbavom mra of a dnats gnivah a .elacs ehT gnideecxe erusserp nigeb ot .ytpme sihT lacitirc derised noitcus si created yb gniyrav the noitcus si dellac the yrtne-ria .noitcus .stI eulav si ecnereffid ni eht~ slevel of the dexif renhcuB yllareneg llams- dna tcnitsid ni derutxet-esraoc dna lennuf at the elddim of elpmas lios core dna llew aggregated .slios fI noitcus si rehtruf ,desaercni the tniop of wolftuo ni the elbixelf .gnibut erom water si nward tuo of the lios dna erom of the ehT debrutsidnu lios elpmas si decalp no the ylevitaler egral pores lliw niard .tuc nI other words detarutas deretnis csid ssalg lennuf dna a good as each tnemercni of water si tsol morf the ,,lios the tcatnoc neewteb the lios dna deretnis etalp work that tsum eb enod ot evomer the txen tnemercni .derusne ehT lios si ylluf detarutas morf sesaercni (or lios lliw esaeler water at rehgih deilppa htaenrednu yb gnisiar the tniop of wolftuo of .)snoitcus ehT ecneulfni of noitcus ot evomer a llams the elbixelf water gnignah .nmuloc retfA tnemercni of water si tnereffid for each lios as the ,noitarutas revoc the renhcub lennuf ot tneverp tnuoma of water deniater ni lios at muirbiliuqe si a noitaropave dna rewol the tniop of wolftuo noitcnit of the sezis dna semulov of the dellif-retaw litnu the derised noitcus si .deniatbo ehT pores dna ecneh ti si a noitcnuf of the cirtam noitcus noitcus yam eb kept 0, 20, 50, 100, 150 dna or cirtam .laitnetop sihT noitcnuf si denimreted 200 mc ot enimreted lios water noitneter yllatnemeirepxe dna detneserper yllacihparg yb a gnidnopserroc ot 0 ,)noitarutas( 0.20, 0.05, evruc nwonk as erutsiom-lios noitneter ,evruc or -lios 0.10, 0.15 dna 0.20 .rab tA each ,muirbiliuqe erutsiom .citsiretcarahc nehw the water wolf ceases hguorht the wolftuo ebut of the gnignah ,nmuloc lios 2.2 Apparatus elpmas si ,dehgiew deird-revo dna dehgiewer 4 Tension Tub/e - gnitsisnoC of deretnis csid ot niatrecsa the water noitneter yticapac of ssalg renhcub lennuf of retemaid tyoba 6 mc the lios at that .noitcus yllausU water noitneter dna thgieh 21-OI ,mc detcennoc ot na -revo pu ot 0.2 rab si denimreted yb siht dohtem wolf metsys yb snaem of elbixelf tnerapsnart dna dnoyeb siht noitcus ti si denimreted yb citsalp .gnibut ehT etalp of the lennuf si of erusserp etalp .sutarappa yltneiciffus enif ytisorop )4-G( ot edulcerp b) Pressure Plate Apparatus - tuP derised yrtne-ria revo the egnar of derised .noitcus rebmun of rebbur sgnir no the cimarec etalp )b Pressure Plate - (1) erusserP etalp sutarappa .llec tuobA 12 hcus sgnir are detadommocca etelpmoc htiw lla sgnittif gnidulcni ria ni eno etalp .llec Prepare lios selpmas after ,rosserpmoc dna htiw a egnar of cimarec etalp gnidnirg dna gnissap hguorht a 2 mm -dnuor sllec (at tsael eno each for 1 dna 15 ,)rab (2) eloh .eveis ruoP a evitatneserper lios elpmas Brass lios gniniater sgnir 3 mc hgih dna tuoba ylwols htiw the pleh of a noops otni the rebbur 6 mc ni retemaid (as per snoitacificeps of the .gnir tI si retteb ot nur a etacilpud elpmas for lios gnilpmas regua ot take debrutsidnu lios each lios .epyt leveL the selpmas ni the sgnir SI 14765 : 2000 dna eton nwod the tuoyal of selpmas decalp gniveis retla the ezis-erop ,noitubirtsid no the cimarec etalp .llec tuP excess of water ylralucitrap of regral pores, dna the water ylwols no the etalp llec dna wolla selpmas ot noitneter ni the wol noitcus egnar htiw etarutas at tsael for 02-61 sruoh ni the debrutsid selpmas yam ton laever the eurt ecneserp of free water. retfA siht ,doirep .noitamrofni ehT debrutsidnu selpmas are evomer the excess water morf the cimarec nekat htiw the pleh of yllaiceps dengised -eroc etalp htiw a ettepip or .egnirys tnuoM the relpmas where there si a noisivorp ot llec ni the extractor dna tcennoc pu the etadommocca llams ,sgnir 3 mc hgih dna of wolftuo .sebut esU the citsalp spacers fi there tuoba 6 mc ni .retemaid ehT core relpmas si are erom naht eno etalp sllec ot eb tup edisni ylwols dehsup otni the lios ot the derised depth the extractor. esolC lla desunu teltuo ports hguorht repeated sgnippord of the remmah htiw the gulp stlob that are .dedivorp Check no the .relpmas sihT yaw evitatneserper that ‘0’ gnir si ni .ecalp tnuoM dil dna screw ) selpmas morf a nevig depth ni the lios eliforp nwod gnipmalc .stlob dliuB pu the derised are .deniatbo ehT core gniniatnoc sgnir si erusserp ni the extractor ot the muirbiliuqe detcennocsid dna the sgnir are ylwols dehsup eulav tahwemos .ylwols tA siht tniop water .tuo ehT excess lios gnidurtorp morf the sgnir lliw start gniwolf tuo of the teltuo ebut dna si demmirt off dna the lios selpmas gnola seunitnoc ot wolf llit muirbiliuqe si reached htiw sgnir are wrapped ni the enelyhteylop edisni the extractor. retfA the muirbiliuqe has sepolevne dna yam eb stored ni the rotaregirfer neeb ,deniatta the selpmas nac eb .devomer for .esu Rest ofthe erudecorp for gninimreted tsoM slios lliw approach ciluardyh muirbiliuqe water noitneter yticapac si the emas as ni eno or two syad gnidneped nopu the lios debircsed for debrutsid lios .selpmas nI .epyt ylwolS elbaemrep slios ekil ilakla slios tcapmoc dna ylwols elbaemrep slios the emit yam take regnol .emit tA the esolc of the nur deriuqer for gnitarutas the lios selpmas yam the erusserp rotaluger si tuhs off dna the eb .dednetxe tI si osla elbarised ot etarutas erusserp detsuahxe morf the extractor. ehT the lios selpmas ni the muucav .rotaccised nI gnilpmalc stlob dna dil are devomer dna lios that case the cimarec etalp llec gnola htiw selpmas derrefsnart yletaidemmi ot the lios selpmas si tup ni the muucav rotaccised erutsiom .sexob ehT erutsiom sexob detcennoc htiw rotom operated noitcus pmup gniniatnoc lios selpmas are dehgiew ni the ylbmessa for tuoba 10 setunim erofeb gnicalp ecnalab dna fresh thgiew si recorded. ehT ni the extractor. erutsiom sexob are tup ni the gniyrd .nevo 2.4 Calculations ehT erutarepmet ni the nevo si deniatniam at -501 C°011 dna selpmas are deird ot a tnatsnoc ehT erutsiom tnetnoc ni the lios ,elpmas after ti has thgiew at tsael for 12 sruoh dna dehgiewer neeb detarbiliuqe tsniaga the deilppa erusserp dna after gnilooc ni a .rotaccised enimreteD the nevo ,deird si detaluclac as :swollof tare thgiew of the erutsiom .snac tnecreP lios erutsiom tnetnoc yb thgiew (w) ehT erudecorp si repeated for gninimreted thgieW( of wet lios + tare) - thgieW( of water noitneter at other muirbiliuqe serusserp yrd lios + tare) = x 100 ot tcurtsnoc the evruc revo the eritne -lios thgieW( of yrd lios + tare) - (tare) -- erutsiom .egnar tI si elbarised ot enimreted retaw-lios noitneter at muirbiliuqe serusserp Loss ni thgiew no gniyrd (M,,,) W )tnecreP( = x 100 of 0, ,05/l ,02/l ,01/l ,3/l ,2/l 1, 5, 10 dna thgieW of nevo yrd lios (MS) 15 .rab A tolp of lios erutsiom tnetnoc no( the )sixa-X susrev noitcus no( the )sixa-Y si tnecreP lios erutsiom tnetnoc yb emulov (0) .nward hcuS sevruc nac eb nward for tnereffid w x klub ytisned (PJ for the lios depth lios sepyt dna water noitneter at yna nevig = noitcus nac eb deniatbo morf these .sevruc ytisneD of water (P,) ,oslA 0 = w ’ bP tI si retteb ot ekam these snoitanimreted no Here J%v = 1 g ”mc debrutsidnu lios selpmas as gnidnirg dna Depth of water ni the lios - 0 x lios depth. 2 Bureau of Indian Standards BIS si a yrotutats noitutitsni dehsilbatse rednu the Bureau of Indian Standards Act, 1986 ot etomorp suoinomrah tnempoleved of the seitivitca of ,noitazidradnats gnikram dna ytilauq noitacifitrec of goods dna gnidnetta ot detcennoc srettam ni the .yrtnuoc Copyright SIB has the thgirypoc of lla sti .snoitacilbup No part of these snoitacilbup yam ebA decudorper ni yna mrof tuobiw the roirp noissimrep ni gnitirw of .SIB sihT does ton edulcerp the free ,esu ni the esruoc of gnitnemelpmi the ,dradnats of yrassecen ,sliated hcus as slobmys dna ,sezis epyt or grade .snoitangised seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ,)snoitacilbuP( .SIB Review of Indian Standards stnemdnemA are deussi ot sdradnats as the deen sesira no the sisab of .stnemmoc sdradnatS are osla deweiver ;yllacidoirep a dradnats gnola htiw stnemdnema si demriffaer nehw hcus weiver setacidni that on segnahc are ;dedeen fi the weiver setacidni that segnahc are ,dedeen ti si nekat pu for .noisiver sresU of naidnI sdradnatS dluohs niatrecsa that yeht are ni noissessop of the tsetal stnemdnema or noitide yb gnirrefer ot the tsetal eussi of SIB‘ ’koobdnaH dna :sdradnatS‘ ylhtnoM .’snoitiddA sihT naidnI dradnatS has neeb depoleved morf Dot : No. DAF 27 (107). Amendments Issued Since Publication dnemA No. Date of eussI txeT detceffA UAERUB FO NAIDNI SDRADNATS :sretrauqdaeH kanaM ,navahB 9 rudahaB Shah &far Marg, New ihleD 110 002 smargeleT : ahtsnaskanaM senohpeleT : 323 01 31,323 33 75, 323 94 02 nommoC( ot lla )seciffo lanoigeR seciffO : enohpeleT lartneC : kanaM ,navahB 9 rudahaB Shah rafaZ Marg 323 76 17 WEN IHLED 011 002 323 38 41 nretsaE : 41/l .C .T.I emehcS IIV M, V. .I .P Road, ihcagruknaK 337 84 99,337 85 61 ATTUCLAC 700 054 337 86 26,337 91 20 nrehtroN : 0CS ,633-533 Sector ,A-43 HRAGIDNAHC 160 022 1 60 60 20 38 52~43 nrehtuoS : .C .I .T ,supmaC VI Cross Road, IANNEHC 600 113 1 235 235 02 15 532,916,235 i 04 23 42 15 nretseW : ,ayalakanaM E9 ,CDIM ,loraM irehdnA (East) 832 92 95,832 78 58 IABMUM 400 093 832 238~,19~87 78 92 sehcnarB : .DABADAMHA .EROLAGNAB .LAPOHB .RAWHSENABUHB .EROTAB~MIOC .DABADIRAF .DABAIZAHG .ITAHAWUG .DABAREDYH .RUPIAJ .RUPNAK .WONKCUL .RUPGAN .ANTAP .MARUPAHTNANAVURIHT.TOKJAR.ENUP Prinmd at : Prabhat Offset Press, New Delhi-2