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TEXNIKA XPONIKA
4gt[lpouapIOS 1969
TEXNIKA XPONIKA 2512 CIIEllpouuploe 1969
M1vlaia EKioole ETOe 380 Eriiarrlov Opyavov TOU TEXVIKOU EnIIEA1T1Jpiou Tile EAAoioe
middotE BplvTZOU Ta~ltuOLt IlAtKTpUltnr tvtpydar 6 6VTA~OtWr Kat
60 TOlllCUTllplou 06aTOr Cmo T~ tv EAM61 dmiddot 6LK6r OUVefKar atA 59
npa~dAout A ApYUPOTTouAou etwp1T1l(6r lmoAoyLa~or TWV OVTlOT6acwv dr Tot 6IWPUYOl atA 77
ntTpou r nnp0TrouAou LUYKPITLKfl 1T[LPQ~aTiK1l IltAtTTl Tfit 90 pat TOO tpyaAtlou KQTo TO OVTfppOTTOV l(QI 0shy
~opponov qpaL~opLClla atA 83
XTUAayoD XTp6vT~aA1 npoa6Ioplal-l0t TOO jJtaou TtTpaywvlKou
C+OAI-IQTQr I-ICTpoUJdvwv ~tyt8GJv atA 99
BaolAou k naTTQ~axou LtLajllKQ KUjlQTQ Rayleigh 61a6160shy
~tvo 610 T~lV tTTavuoKwv OTPW~6TWv Tfjli rf)r au 103
H rlwpyQVT~fl To TTp6PAlI-lO TOO ApYOAI)(OO KCX 1l tnlAUClr rpo+dQ OUTOO atA 109
KapaydJpYTl Itppfar 4 A91lval IlS
TDA22H66 AAI~ay6pou k HavloTl T6 np6YPQiJI-IQ laquoAnOAONraquo atA 115
rpQJlfJOU[O XUVTO~IWi k X If+o To Luvt6pIOV Tfit Evwatwc 1610KTIlTwv ATjJonashy
Eu~p naTTaeto5wpou TTl) 234751 poywywv atA 127
eIAlla bc66oKWIIj middotOp NbullYTlKOkl ~EK9talr lTTl wv tpyoltLWV Tfjr lut9voOC Eshy
r ZouAat mTpoTTilr LXOALKWV KTlplwv tit Stress Tfit 1shyTo)lor 6no 16 9 b8 atA 131
ITOIXI10910(0 QVQlJapaywYil flCTunwC1111j
A +W v r PM] A~apouOtou 53 X6AwyoIIj n Ku6wVloTOU H 6u91f1r Kat 1l tv -E)A66 KIV11Ollt TlA 689631 - A~apoucfLoV pi n]v 6YPOTlK1lV TtXVQAOY[QV au 135
61(l(j)TlJliault lCotaXWPOCivtClt OUjl~Vrolt rtpltllt tOV ty lCpoundICPIJltVOV tl)JOICCttOAOYOV (neuampuv~ au~qldll~ tlP N6jJ(j) 6TljJtlt~li~ NIKOAQOU MTlevjJv Tl~ 36 Ym~u9uvo~ t1moYPocentIpoundiou Baa P6oTl~ AjJushypoUOlou S3 - AjtapouOtov bullA Jw m amp)lr rol owppoundav el~ (Q luD tOCi T E E lut6 (1)lt Qpx~lt tillt t lC06Oeuro~ tOU TI)l1l tpound0shy
lOU opxmiddot 20 ETTlO1l oovopo)Jll fOWlepumfi 5px 300 - t~WtEPIICO) $ 12
TEXNIKA XPONIKA ~512 February 1969
Monthly Issue 38th Year Official Publication of the Technical Chamber of Cioreece
Offl
4 Karageorgi Servias Si Aihens (125) Tel 222466
Secrtary
FIr Papatheodorou Tel 234751
Production
S Zoulas
Prlntd by
Bro Rodi
altelll A Argyropoulol Theoretical Computation of Open-Channe Re~Jlstance p 82
Petrol G eropoulol A comparative experImental study of 1001 wear In up-cut and down-cui mil shyling p 97
Ity-liano Itranhalll Mlttlerer guodrotlscher Felhtr Beo- bachteter Gr6ssen p 101
B C Papazachol SeismiC Rayleigh woves traveling In the surface layers of he earth p 107
M Georganhh La Problema de 10 plaine d Argos at sa solution p 114
AI C Manlat APOLLO Monned Space Elight program p 126
10Ion kydonlatl La mouvement International at local sur Ie Genie Rural p 139
Ac1v u rli~oments are cha rged according to ltp pro ved price bull li s t Price per copy $ 3 Annua l subscripti on 10 Annual submiddot )(r iption for Compani OR Banks Org)llisa~ lions S 25 III
06nyial 61Cshy TOUe anooTtAAoYTae pEAtTae npoe 6npooiEUOIY
At ~HApoundTatt 01 auvOOEuOVtElt Qlmic un6ndol qgtffitoypacpuiv btuypallllorwV Kat axl1middotHJtw v we Kat to auvw~ov plOypaqllKov a~~ciw~a toO OllyypaIEWe Oa anoatt))wvtal de tp[a avtituna oaKtu1~YPOshyqgt~~tva En t~e ~I~ Oflcwe toO tliptou de to oln1oilv olacrt~~a tie ypacpo~~tQvie KOlOa anElIshyOuvwvtal npoe to rpaqgtdov Timou toil T E E ~t Eyypaqgtov a~~c[w~a de to 6nolov Oa avaypaqgtpoundshytUl to t~il1a toO ncploolKOil Ol to 6noTov npoop[~OvtUl
1EOO~tvou on de 11)v laquoET[tCJtlJlOVLI(~V -EKOOatVraquo 1ampV TsxvlIcoov XPOVlKWV OTllOotEUovtat jldEtUL
61wv tmv Jtlcrt~~ovKGlv dlKot~twv trov ~E)Gl v toO T E E 6 lit apIO~Oe tWV aE1iowv dvUl Plshyal1ivoe 1) fK tuae tiilv anocrtcnOI1EVWV ~pound1Etwv lEV npbtf va uncppa[vu tae 10 tvtunoue ij tae 5 oaKtlJ)oypacp~~tvae ac)ioae 61100 ~Eta tGlv qgtoltoypaqgtlrov Kal at~l1atwv )a~pavol1tvou un OflIV on l1[a vrunoc aE1ie toil ncplo~IKOil avrlOtotEI de 25 nEp[1tOU oaKtu1oypaqgt~~evru acHoae
r )Waaa twv ~E)EtWV 6p[~Etal 11 anl KaOapEuouaa
EKltiat~ ~EHt~ stov va OllVOOEUEtal Imo auvtol1ov nEp[~fIIV 100 lwe 200 AtftltIlV oioouaav aaqgt1 dKOVQ toG avtlKELjlEVOU nutile
H IpoundUt~ Oa npenu va lti1folaquoHjta ano ta t~ie pamKa l1ep~ a) Eiauywyijv KOOopi~ouaav aaqgtampc to UnO esttamv npop~l1a Kal avaqgttpouaav tae npoYEvEattshypae tmiddot atHOO ~EUtae lthe Kai t~V OllI1PO~V wO auyypaqgttOllt btl toil 1tpop)~l1atoc
P) to KUPV I1tpoe tie ~EMt~e KOi y) ta ~nEpaal1ata Kai 1tQpat~pijaEle
H apIOI1~me trov KEqgtaaiwv t~e ~EEt~e 00 y[VEtal 11 to oEKaoLKOVaUatTlI1a
H plploypacpia Oa avaypaqgt~tal de to ttoe toil apOpou Kai Oa tlVOl avaunK~ (tnwvu~OV Kat 0shyvo~o OlJyYpacptwe poundtOe euroKOOaEWe tt1oe PlPHou Ii tpyaaiac tKli6t~e Ii t[toe nCplOOIKoG aE ie PlP1iou i ap IO~Oe laquo6xoue Kat aE ie 1tEPlO01KOil) Kal 1)PIOI1~l1tv~ OTtOU 6 OllyYpaqgtEUc tvtOe toil KEll1tvou on a voqgtipEtal Ele t~V Plp)lOypaqgtlav Oa a~IpoundIWVEtOl tVtOe aYKO~e 0 auswv ap10110e tie pIBlOypaqgt[ae
TO XPllOlIl0nOlOuj1EVa EiC TOUe llu9THLattICQUC tUrtOU~ ou~poAa rrptnEl va clVal [a XPTJlt11~OnOlOushyI1Eva poundie t~V t)~V1K~V tEXVIK~V PlpALOypaqgt[av Ele nEpl1ttwOlv xp~mlloolaEOllt Ttoniilv Oll~ middot powv otov va apatlOal Eie t~V tipx~v Ii to tt)oe toO KClJ1EVOU avaKEcpaAalwn~Oe nlvaf til c a~l1aalac a vtwv
AI qgtutoypaltpial opoundov va Elval an)rrvi uwaEWe (OXI l1at) Kai va avaypaltpouv 6laOEv taqgtpampc TO 6vo~a toG a uyypaqgtwe tOY tltov tije I1E1t~e Ka tOV aPIO~OV tie qgtwtoypacpiae OcraKle ptshyTtEI bti tWV qgtwtoypaqgtlwv va avaypaltpoilv ypal1l1ai Ii aHal tvoEiEle a cpwtoypaqgtlat Oa anoarUshy WVtal d e ouo avrltva To ~v ts aut wv Oa qgttPQ tae tv )oy tVOE[Se Kai to ftEPOV Oa e[va tA EuOEpOV
AI cpwroypaqgtIOl ta oLOypal1l1ata Kai ta aX~l1ata Oil otlawvtal EirE ete tae OlaataaEle cie tite 6rrOLnlt TeuroAUro 00 t~qlavl090Dv El~ [0 1tEPlOOl1(OV thE de ~E-yt9uvalv 0)n1(pUV6~pound VC1 Ka[a lilv qltJHoypaqll0lv Kal n1v euroK[on(a)lt1lV Kai 90 poundIval iPle~T)~tvo Kala lt1ElpoV 01l~0lt11poundUlt1E~_ 00 rrptnTJ QnopaltiFw~ va AollfklVEtUl im OJIIV Ott [() [EAU6v 1tAatOt [(uv poundKtlJJtOUllpoundV(a)v slxovwv eo dvat 8 poundK Ii 16 t~ t6 lit UIjIOe IiEv Oa oOarOl va unEppa[vu ta 20 tK 1la tOUTO 0 atlyypaqgtEUe 6qgtdMI va ~11wVU OlaeEV tKuvt~e EiK6voe ro~ tou t[tou tije I1 Ett~e KOi tou ov6l1at6e tou Kat TCoiov [(llV 600 tEA1K6lv OloOtaopoundwv tn lBull eT TO oxe6to 90 Elval oXEolaOIlEvCl llt 0V1KrlV ~EAavlV ti olacpavoile captou ta lit ypal1l1ara mt o aplOl1oi poundIa ~ uta 11pound Stencil Kai El e tOtOOshylOV ~ty~eoC 6X)lf Olll KPuvollEva dlt lo~ teAL K 0 0Io016OEIlt va elvat EuavayvwCJta
A I1EU tal S60 V va auvoOEVwVtal ano ~Etacppaatv tflt nEPIA~fIEOllt Ele t~v AYYAIK~V ranlK~V Ii r Cpl1aVIKv H ~EtliqgtpaOlC Oa a1tOartEtal poundnia~e de tpia avt[nuna
M eAEtUl OT]~Olt1 l Il)OIlEVUl il ll amptv trtto[pCqlOVtCll
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6l(i rr)v CYlCatpov OTIItooiEuOv 1tEptOOOtEPWV lip9pwv Eilt b alt1tov HUloe rrupaKoAOUVtU ot ouyshy-ypacpeurotlt orrwlt Jtpoundplopiouy I(at(i [0 buva[ov tTv EK[oUV tampV lHtOpaAA0JlEVWV llEAEt(i)v
0 trllOU~OUvtamp~ avatunQ Tei)v tpyaO1wv tWV lOiols oarraVollt Oqlt(AOllV vu Sl1AWCJOUV TOrnO Lilt to T E F ii~a t~ ~aaetaEI t~ e I1E)tt~lt twv
napalPtrre~ tn ltwv S~l1oltnevo t vv apOpwv Senai tni liil~vov ano tlj S~IO(nEiJ(fEWC
nPQH=Tpound To URSA npOOIJlptTOI at 3 Tunoult
URSA HEAVY DUTY URSA EXTRA DUTY URSA S~3 (EI0PI) Kol oi ouolUuaor~lt TOO iTpou TClv i5JOIJ10U iirpuv I(oi rwv 20 gtIrpwv
- shy - -=----shy
TEXACO
l5 lITEAS
ria Toue yiyaVTampe Tile oocpaATOU To ~poundyo6npo Tile aoltpohou novnyupilouv
Iali URSA AEVpound TO ltpoprnyo TnC TEXACO onovTouv TO ApoundWCPOPpoundO To KOAlJTpoundpO ou~nAnpwvouv TO aliOnOmTiKO Koi TO TPOKTEP ou~ltpWVOUv
Kol 01 npoundTppoundAOIo~nXOVEC np6c Koi 60AaOOnC ou~cpWVOUv
Koi 01 poundnOYYpoundA~OTipoundc olinyoi 6AOU TaU Koo~ou ou~ltpwvouv
01 ouyxpovOi npoundTPpoundAOOKVnrnppoundC liOUApoundUOUV POAO ~E TO aPUKTEAOIO URSA TnC TEXACO
URSA Tflc TEXACO TO KOAlJTEPO VIO NTfllEA
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TEXNIKA XPONIKA 2512 CIIEllpouuploe 1969
M1vlaia EKioole ETOe 380 Eriiarrlov Opyavov TOU TEXVIKOU EnIIEA1T1Jpiou Tile EAAoioe
middotE BplvTZOU Ta~ltuOLt IlAtKTpUltnr tvtpydar 6 6VTA~OtWr Kat
60 TOlllCUTllplou 06aTOr Cmo T~ tv EAM61 dmiddot 6LK6r OUVefKar atA 59
npa~dAout A ApYUPOTTouAou etwp1T1l(6r lmoAoyLa~or TWV OVTlOT6acwv dr Tot 6IWPUYOl atA 77
ntTpou r nnp0TrouAou LUYKPITLKfl 1T[LPQ~aTiK1l IltAtTTl Tfit 90 pat TOO tpyaAtlou KQTo TO OVTfppOTTOV l(QI 0shy
~opponov qpaL~opLClla atA 83
XTUAayoD XTp6vT~aA1 npoa6Ioplal-l0t TOO jJtaou TtTpaywvlKou
C+OAI-IQTQr I-ICTpoUJdvwv ~tyt8GJv atA 99
BaolAou k naTTQ~axou LtLajllKQ KUjlQTQ Rayleigh 61a6160shy
~tvo 610 T~lV tTTavuoKwv OTPW~6TWv Tfjli rf)r au 103
H rlwpyQVT~fl To TTp6PAlI-lO TOO ApYOAI)(OO KCX 1l tnlAUClr rpo+dQ OUTOO atA 109
KapaydJpYTl Itppfar 4 A91lval IlS
TDA22H66 AAI~ay6pou k HavloTl T6 np6YPQiJI-IQ laquoAnOAONraquo atA 115
rpQJlfJOU[O XUVTO~IWi k X If+o To Luvt6pIOV Tfit Evwatwc 1610KTIlTwv ATjJonashy
Eu~p naTTaeto5wpou TTl) 234751 poywywv atA 127
eIAlla bc66oKWIIj middotOp NbullYTlKOkl ~EK9talr lTTl wv tpyoltLWV Tfjr lut9voOC Eshy
r ZouAat mTpoTTilr LXOALKWV KTlplwv tit Stress Tfit 1shyTo)lor 6no 16 9 b8 atA 131
ITOIXI10910(0 QVQlJapaywYil flCTunwC1111j
A +W v r PM] A~apouOtou 53 X6AwyoIIj n Ku6wVloTOU H 6u91f1r Kat 1l tv -E)A66 KIV11Ollt TlA 689631 - A~apoucfLoV pi n]v 6YPOTlK1lV TtXVQAOY[QV au 135
61(l(j)TlJliault lCotaXWPOCivtClt OUjl~Vrolt rtpltllt tOV ty lCpoundICPIJltVOV tl)JOICCttOAOYOV (neuampuv~ au~qldll~ tlP N6jJ(j) 6TljJtlt~li~ NIKOAQOU MTlevjJv Tl~ 36 Ym~u9uvo~ t1moYPocentIpoundiou Baa P6oTl~ AjJushypoUOlou S3 - AjtapouOtov bullA Jw m amp)lr rol owppoundav el~ (Q luD tOCi T E E lut6 (1)lt Qpx~lt tillt t lC06Oeuro~ tOU TI)l1l tpound0shy
lOU opxmiddot 20 ETTlO1l oovopo)Jll fOWlepumfi 5px 300 - t~WtEPIICO) $ 12
TEXNIKA XPONIKA ~512 February 1969
Monthly Issue 38th Year Official Publication of the Technical Chamber of Cioreece
Offl
4 Karageorgi Servias Si Aihens (125) Tel 222466
Secrtary
FIr Papatheodorou Tel 234751
Production
S Zoulas
Prlntd by
Bro Rodi
altelll A Argyropoulol Theoretical Computation of Open-Channe Re~Jlstance p 82
Petrol G eropoulol A comparative experImental study of 1001 wear In up-cut and down-cui mil shyling p 97
Ity-liano Itranhalll Mlttlerer guodrotlscher Felhtr Beo- bachteter Gr6ssen p 101
B C Papazachol SeismiC Rayleigh woves traveling In the surface layers of he earth p 107
M Georganhh La Problema de 10 plaine d Argos at sa solution p 114
AI C Manlat APOLLO Monned Space Elight program p 126
10Ion kydonlatl La mouvement International at local sur Ie Genie Rural p 139
Ac1v u rli~oments are cha rged according to ltp pro ved price bull li s t Price per copy $ 3 Annua l subscripti on 10 Annual submiddot )(r iption for Compani OR Banks Org)llisa~ lions S 25 III
06nyial 61Cshy TOUe anooTtAAoYTae pEAtTae npoe 6npooiEUOIY
At ~HApoundTatt 01 auvOOEuOVtElt Qlmic un6ndol qgtffitoypacpuiv btuypallllorwV Kat axl1middotHJtw v we Kat to auvw~ov plOypaqllKov a~~ciw~a toO OllyypaIEWe Oa anoatt))wvtal de tp[a avtituna oaKtu1~YPOshyqgt~~tva En t~e ~I~ Oflcwe toO tliptou de to oln1oilv olacrt~~a tie ypacpo~~tQvie KOlOa anElIshyOuvwvtal npoe to rpaqgtdov Timou toil T E E ~t Eyypaqgtov a~~c[w~a de to 6nolov Oa avaypaqgtpoundshytUl to t~il1a toO ncploolKOil Ol to 6noTov npoop[~OvtUl
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napalPtrre~ tn ltwv S~l1oltnevo t vv apOpwv Senai tni liil~vov ano tlj S~IO(nEiJ(fEWC
nPQH=Tpound To URSA npOOIJlptTOI at 3 Tunoult
URSA HEAVY DUTY URSA EXTRA DUTY URSA S~3 (EI0PI) Kol oi ouolUuaor~lt TOO iTpou TClv i5JOIJ10U iirpuv I(oi rwv 20 gtIrpwv
- shy - -=----shy
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Iali URSA AEVpound TO ltpoprnyo TnC TEXACO onovTouv TO ApoundWCPOPpoundO To KOAlJTpoundpO ou~nAnpwvouv TO aliOnOmTiKO Koi TO TPOKTEP ou~ltpWVOUv
Kol 01 npoundTppoundAOIo~nXOVEC np6c Koi 60AaOOnC ou~cpWVOUv
Koi 01 poundnOYYpoundA~OTipoundc olinyoi 6AOU TaU Koo~ou ou~ltpwvouv
01 ouyxpovOi npoundTPpoundAOOKVnrnppoundC liOUApoundUOUV POAO ~E TO aPUKTEAOIO URSA TnC TEXACO
URSA Tflc TEXACO TO KOAlJTEPO VIO NTfllEA
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TEXNIKA XPONIKA ~512 February 1969
Monthly Issue 38th Year Official Publication of the Technical Chamber of Cioreece
Offl
4 Karageorgi Servias Si Aihens (125) Tel 222466
Secrtary
FIr Papatheodorou Tel 234751
Production
S Zoulas
Prlntd by
Bro Rodi
altelll A Argyropoulol Theoretical Computation of Open-Channe Re~Jlstance p 82
Petrol G eropoulol A comparative experImental study of 1001 wear In up-cut and down-cui mil shyling p 97
Ity-liano Itranhalll Mlttlerer guodrotlscher Felhtr Beo- bachteter Gr6ssen p 101
B C Papazachol SeismiC Rayleigh woves traveling In the surface layers of he earth p 107
M Georganhh La Problema de 10 plaine d Argos at sa solution p 114
AI C Manlat APOLLO Monned Space Elight program p 126
10Ion kydonlatl La mouvement International at local sur Ie Genie Rural p 139
Ac1v u rli~oments are cha rged according to ltp pro ved price bull li s t Price per copy $ 3 Annua l subscripti on 10 Annual submiddot )(r iption for Compani OR Banks Org)llisa~ lions S 25 III
06nyial 61Cshy TOUe anooTtAAoYTae pEAtTae npoe 6npooiEUOIY
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r )Waaa twv ~E)EtWV 6p[~Etal 11 anl KaOapEuouaa
EKltiat~ ~EHt~ stov va OllVOOEUEtal Imo auvtol1ov nEp[~fIIV 100 lwe 200 AtftltIlV oioouaav aaqgt1 dKOVQ toG avtlKELjlEVOU nutile
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nPQH=Tpound To URSA npOOIJlptTOI at 3 Tunoult
URSA HEAVY DUTY URSA EXTRA DUTY URSA S~3 (EI0PI) Kol oi ouolUuaor~lt TOO iTpou TClv i5JOIJ10U iirpuv I(oi rwv 20 gtIrpwv
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