i ntroducti on
Expe r i e nc i ngandunde r s t andi ngs ke l e t alc o ns t r uc t i o ni si mpo r t antasi ti so neo ft hemo s twi de l yus e ds t r uc t ur e sf o rbui l di ngs uppo r t . Expl o r i ngt headvant ageo fe ac hmat e r i al dandwhati st hej o i nt st hats ui t abl ef o rt hemat e r i al sar ehi ghl yr e c o mme nde daswear e r e qui r et ous er e c yc l emat e r i al s .Thepur po s eo fs ke l e t alc o ns t r uc t i o ni st ot e s t e dbyo nemanwi t h60kgt os i to ni twi t hi n2mi nut e s t os e eho ws t r o ngands t abl et hes t r c ut ur ei s .
Fi gur e1. aExampl e
Theo bj e c t i ve so ft hi spr o j e c tar easf o l l o ws : -Toc r e at eanunde r s t andi ngo fs ke l e t als t r uc t ur eandi t sr e l e vant s t r uc t ur alc o mpo ne nt s . -Tounde r s t andho w as ke l e t als t r uc t ur er e ac t sunde rl o adi ng. -Tode mo ns t r at eac o nvi nc i ngunde r s t andi ngo fho w Ske l e t al Co ns t r uc t i o nwo r ks . -Tobeabl et omani pul at eSke l e t alCo ns t r uc t i o nt os o l vean o bl i queDe s i gnpr o bl e m.
Le ar ni ngo ut c o me sas s e s s e di nt hi spr o j e c ti nc l ude : -Appl yc o ns t r uc t i o ns ys t e mi nde s i gn. -Re c o gni z et hei mpl i c at i o no fc o ns t r uc t i o ns ys t e ms i nde s i gn. -Anal ys et hei s s ue so fs t r e ngt h,s t i f f ne s sands t abi l i t y o fs t r uc t ur e si nc l udi ngmo de so fs t r uc t ur als ys t e ms , f o r c e s ,s t r e s sands t r ai nandl awso fs t at i c . Fi gur e1. bExampl e
i dea development Thei de ai st ounde r s t andandde t e r mi net hemat e r i alandi t spr o pe r t i e s ,di f f e r e ntki ndo fj o i nt sandc o nne c t i o nus e do npar t i c ul ar po i nto ft hes he l t e rt owi t hs t andt hel o adf o r c e . I de aDe ve l o pme nt :
Fi nalOut c o meo ft heDe s i gn:
Fi gur e2. aSke t c he s
Mo c kUpMo de l
gur e2. cSi deEl e vat i o n Fi Fi gur e2. bFr o ntEl e vat i o n Fi gur e2. d3D
Fi gur e2. eFi nalMo de l
connecti on and joi nts
POSI TI VEFI TTI NG CONNECTI ON
POSI TI VEFI TTI NG CONNECTI ON
I NTERLOCK
NYLON STRI NG OVERHANG KNOT
PLUGI N/BOLTCONNECTI ON
RATTAN JOI NT
load and forces LI VELOAD
COMPRESSI ON FORCE
Lo adCr e at e dbyt heWe i ghto f t heObj e c t :
Co mpr e s s i o nFo r c eExe r t e dt o t hebambo oc o l umns :
Fo r c e so ft heo bj e c t ’ swe i ghtar e t r ans f e r e dt ot het hebambo o s e at i ng.
Fr o mt henyl o ns t r i ngpul l i ng al lf o urc o l umnst o ge t he r .
Thef o r c e st he ndi s t r i but e dal o ng t hes e at i ngt ot hebas eo ft he s t r uc t ur e . Thef o r c e st r ans f e r e dt ot he gr o undf r o mt hebas eo ft hec o l umns .
DEAD LOAD
TENSI ON FORCE
Lo adCr e at e dbySt r uc t ur e :
Te ns i o nFo r c e sExe r t e dt ot he Rat t an:
We i ghto ft hes t r uc t ur albe ams t r ans f e r e dt hr o ught hec o l umnst o t hegr o und. We i ghto ft hes e at i ngbambo o s t r ans f e r e dt hr o ught hes ke l e t al bas et ot hegr o und.
Byt hebambo oc o l umns Byt hewe i ghtl o ado ft heus e ras t heus e rs i t sbac k.
cons tructi on progres s
1.Dr i l l i ngho l e s
2.Sandi ng
5.Adj us t i ng
7.Cut t i ngI nt e r l o c ki ngHo l e s
10.Maki ngho l e sf o rr o o f s t r uc t ur e
11.Pl ac i gc ur ve dr at t ans
3.Bo l t i ng
8.I nt e r l o c k
4.Re s ul to fbo l t i ng
9.St r e ngt he ni nt e r l o c kj o i nt sby t yi ngus i ngr at t an
12.Dr i l l i ng5mm ho l e sf o r nyl o ns t r i ng
cons tructi on progres s
13.Tyi ngnyl o ns t r i ngs t hr o ughho l e si naz i gz ag pat t e r n.
14.Cr e at i ngabac k 15.Bac kSuppo r t e dby s uppo r tbyi nt e r l o c ki ngt he r at t an. bambo oc o l umnsandr at t ans .
16.Tyi ngs mal l e rbambo o sf o r s i t t i ngbas eus i ngt r i po dl as hi ng kno tme t ho d.
17.Pl ac i ngs i t t i ngbambo o s o nt o po ft hes t r uc t ur al s ke l e t o nbas e
18.St i t c hi ngt hec anvast o t hes ke l e t als t r uc t ur ef o r s hadi ng
19.Fi nalOut c o me
materi als
1 .bamboo -St r o ng -l i ght we i ght -Eas yt oc ut
2.bolt,nuts ,and was hers 3.rope -Taket e ns i o nl o ad -St r o ng -Eas i l ydi s as s e mbl e d -Fl e xi bl e
5 .rattan peel -Ti ght -St r o ng
6.canvas -Fl e xi bl e -wat e rr e s i s t e nc e -s hade d
4.nylon li ne1 mm -St r o ng -Li ght we i ght
7.l-s haped bracket -Taket e ns i o nLo ad -Eas i l ydi s as s e mbl e d
conclus i on and tes t res ult FI NALLOAD TEST TheI nt i alt e s t i ngwast ot e s tt het hec o mpr e s s i o nandt e ns i o n s t r e ngt ho ft hes t r uc t ur eandal s oo urc ho i c eo fj o i nt ss uc has i nt e r l o c ki ngandpl ugi n/ bo l tc o nne c t i o n. Thes he l t e rwasabl et owi t hs t and o neo fo urme mbe rt hatwe i ghi ng appr o x. 60kg.
App.<60kg
CONCLUSI ON
Upo nc o mpl e t i ngt hi spr o j e c t ,wehavel e ar ntt hatt obui l tas t r o ng s t r uc t ur ei sno tabo utt hemas s i ngbutt hes ke l e t als t r uc t ur e .We we r eabl et obui l tal i ght ,po r t abl eands t r o ngs he l t e ral lf r o mt he s t udi e so fs ke l e t als t r uc t ur e .Wewe r eabl et ounde r s t ando fho wt hi s pr o j e c tgi ve susabe t t e runde r s t andi ngo fc o ns t r uc t i o ns ys t e mi n de s i gnandgi ve sust heabi l i t yt oanal ys et hes t r uc t ur als t r e ngt h, s t abi l i t yandt hel o addi s t r i but i o n. Al s o ,wewe r ei nt r o duc e dt o var i e t yo fj o i nt sandho wt he yar et obec o ns t r uc t e d.Wes t r o ngl y be l i e vet hi spr o j e c twi l ll e adust oagr e at e radvant agei nt hef ut ur e whe nwede s i gnabui l di ng. App.>60kg