別紙41 (課程博士(英文))Date of submission (mon血 day year)

July 6山.2021
Prof. Asano Junichiro

Department ofAI'chitecture andStud凱1ΦNumbef

D189504

Supel、is01'SProf̲ shiro Matsushima

CiVⅡ En部neerin旦
へPP]1CaⅡ1'S "ameProf. Hh・oyuki shibusawa

UWA入IAHOROADR1翻N

Abst川d (Dod0わ
Title oflhesis

A studyOn

亜nformal settlements uP薯rading APPNaC11 、¥ith viewpoint of

Sustainable communiu,in Developing countr),.

Approx.80o words
In丘)nnalsettlelnents, hereinaftal'efen'ed to ls, havebecome integlalin t11e lbnns of11rbanization acrossIhe elobal south.1ypes and extents of urban iⅢbnnality valy accolding to contexlual socio・economic

Scenarios、1nRwanda,1S emetged in and around11〕e capitalcily ofKigalisince its creation eafly20仙 Cenlury,
due lo naturalgTOWι11and 111e aux ofTural‑urbanlnlgralion. Apa11from lhe capltalclty, otherRwandan citles,
towns and centa's gl'ew randolnly 、¥11houl sh011 an(V0τ 10no‑1aηIphysical pla11S̲ 1nformal dwe11inσS dilfer
greatly 111 Sizes, age and character and do nol confotnlto z01】1ng and se1入11Ce legula110ns. Nolwlthstand11〕g

thelr vana110ns, howevel,11)ese dweⅡlngs share slm11ar lnolph010glcalas we11SOCI0‑econonuc problems、By the year 2007,the Rwanda govemlnenl ofncia11y launched a so・ca11ed "Kioali city Maslel' plan"

Concernlng tl〕e ls chapter,the master P1田Isuggests lwo approaches, nalnely:the on‑S11e upgradlng and lolal
Ielocation、 1he GoveTmnent of Rwanda,1hrough its Nlinistly of ln丘'asttuctule and 111e R、刃anda Housinσ
Aulhority and in c0Ⅱabolalion wilh pdvate invest0玲, adopted diffelenl countenneasures ailning at
a11evlatlng nlr{heT proliferatlon of ls by onsite upgrading on one hand, a11d by total reloca110n andrese廿lelnent on t11e other hand .1he Gova'nmenlis ambitious at orientinσ{he urba11ization plocess of theCoun11y ln a plalmed and organlzcd mamler,10 ensule 丘11Ure urban go、ulh and development centeTed aladdressing u]e above cha11enges,10 achieve 111is goal, a number ofinitiatives are i丑to plocess including, bul
n011imlted to,the f0110wing a) Elaboration and implementation oful'ban plalm血g a11d developmentlools
Such as: conceplual and detailed physlca11naster plans,10calurban development plans, seclor speclfic pla11Sand layout plans,(2)1nforn松Iseulemenlupgradhlg strategies.(3) Development ofsecondaly cities.
b oTder to a11evlate the presS1江e on 寸le caP11al ci(y, thereby achieving a sustainable 11rbal)ization groW1111ale,
the Govemment c0Ⅱabm"aled wiⅡlthe 气入10tld Bank and selected six ci{ies,t11foughoul{he counuy,to becolne
ale poles ofeconolnlC 即'OMh 独d development by equipplng them wlth pUⅡlng m丘astNctures and seNlcesth爪 attract people lo ale capilal ci司1.
Ihls research focuses on the on‑site uP即'ading of i11fonnal se壮lements as a sustainable solution that
Ieaveslntactthe resldents' SOCI0‑econonⅡC long・1asung networks.

PI'evious researches on lMs topic do exist, bul thele a17e sti11 0aps in cleaT guidelines of besl uPσradinσ1)ractlces, we 1Ⅱg1111ghtedthe soclo・econolnlc clustering fonnationsby assessi11g t11e intenela{ionS11ips amonσ
dwe11ings wp010gies with available public i11t、aslrⅡCtules, utilities and selvices' The 11nique approach oflhis
researC11bases onn]e cxa如nation arldanalysis ofmelhodica11yc011ected lnetric dala 11〕at enablesto fonnulate
Sclenli丘C‑1〕ased evidences of the existi110 condilions, t11eir inte王一del)endency telalionsl〕il)s as wC11 tl〕eiT
1ⅡelalC1Πes lowal'ds a sustalnable lesponse、
10 cany oult11is lesealch, we c0Ⅱected nleⅡic dala on pTede丘ned socio‑economic and delnooraphic
Indlcaι0IS 丘oln two differenti11会)rmal se杜lelnen{s siles. By colnbi111no t11e on‑site surveys, self・observations
IU】d inlcrviews, we asse皿bled fequiled data to o.11五110ut Tesearch tbcus on ls colnlnU11ities levels
トUrⅡIcnnoN, fol a bettelunderstanding on Kigali city's and RW如da position alnong olhcr cities andCoun1ΠeS 窯dlh comparable condi110ns, we Telied on the 01)en‑source dala hom lhe w011d Bal)k'S 批mualComl)11a110n 笹ld ral}Mngofw011d's countries on socio‑economic and demographic indicalors
In old仇'to a11evi飢e t11e gaps in i111bt血alion foT onsile idomlalse札lemeⅡt upgrading, we desi部ed thisStudy 山 addl'css ans、vers lo nlaln questlons ab0Ⅱt11ielarchical dusterinσ alnong l)ouseholds,1heir cause andt11Clr rclahonS1111)S W1111 exlsung pul〕11C ln丘ash'uclule, servlccs and utilities. NNe als0 仇'osschecked theConcel'ned ls colnmunilics slandal'ds of livi11σ Wilh 111C minilna l'ccolnlnended by lhe united Nalions
Olga1ΠZa1101】s like t11C W01'1d 11Ca11h ()1'ganizalion, UN‑11al〕ilal al〕d 11〕C IJ11ilcd Nation DCVcloplnent pr0部amOUI S11nP11Shc exl)10松toly dala cxcl'CISC 1111S S110WI]{11al cilics wit11 S1山ns cluslel alnong themselves
Inostly 工入ノ11h lespect l0111e coU11ιΠCs lnc0111C lcvck. conccnli(18 Ⅱ】c sludy l)1'ccincls, hicnltC11ie、 do exisl alnongt11e households, wheleby thcy s01't i1110 CIUSιCI's groups with l'CSPCCι 10 ιhcir socio・cconomic slandpohlts,
exP査essed by lhe dinしlences ln levels of110using quality as we11 as {hc accessibilily l01〕ublic innasu'uctⅢes,
Utilitles aⅡd sewices, According to uN‑Habitat's indica{ors a11d 111rcS110lds f01' dcnni11g slulns and i址bnnal
Settle111ents, our 丘ndi11gs ftoln data analysis sho、ved Ⅱlat,1bleach study plecincl, slulns hold alx)ul one thh・dOftotal households̲ 111e slum9 Shafe in the sludy pl'ecincts is almoSι halfthe rale oft11C OVCI'a11 Kigali city'SSlunls; t111S makes a snength fol the pleclnc{'s on‑slte uP即'adabilily, as fewer dwe111n8S W1Ⅱ 1〕ave lo be
Teplaced, Ref毛n'1ng to the 訊rorld Health organization recon〕1nended Sιand凱ds for lni11ilnuln levcls ofhealtl〕
and hyglene, molethanhalfofbot11Pteci11Cts dweⅡets fa11Und飢'thebott0Ⅱ11i11e ofreconⅡnendcd lninimafor
baslc sa1Ⅱtatlon se1ΥIces

Ihe 丘ndi11gS 丘'om 仕lis lesealch wi11 enliσhlen lhe iml〕1ementers of the on・site uP即'ading lx'ojec{s toPrepaTe adequate physlcal planS 直espondlng lo the needs of 111fonnal dweⅡers on one hand,砥ld thelr
i11tegration l011)e ova'a11 City fabnc̲ Furthen110re, the nndings wi11 redound to developing world cilies'
Infonnalsetdelnents a11d slulns upgl'adlng effolts; considenng thalil、ん,111 Con11ibule lo a betler unda、standingOf111elr 11Ⅱ)er chaⅡenges
Key wordsJ カリ'017παIsel/1e"1師1'又 on‑sile 11Pgradi訂g re/ocali0π, huildb?g0少0108ies, hiel'al'chica/ C11イSlel'i"&esseπhalj1ιπCti0πS, SUS1αi"ahle Daぞ10P1πe1リ Goals