Structure and Wood Properties

7/29/2019 Structure and Wood Properties

1/12

Eonturo Wmroo

Ahsin Skkg Nmhrhntoristins

Ahsin nkjstituojts kb wkkg68) Noeeuekso -34/) tmo pri`hry nkjstituojt kb wkkg

1) Eicjij -~1?/) tmis is tmo nkjstituojt wminm civos

tmo wkkg strojctm

>) Oxtrhntivo6 nkjsistijc kb thjjij% sthrnm% kies% rosijs%

bhts% hjg whxos

7) Hsm6 bkr`ijc `ijorhes

o> bieo6+++C6+Ogunhtikj+Eonturo jktos ij htorihes hjg tostijc+eon

1 >+14+148>


2/12

Wwk ahsin typos kb wkkg

^KBWSKKG^6

^kbtwkkgs hro wkkgs oxtrhntog brk` nkjiborkus kr

ovorcrooj tross* Tijo% spruno% bir% noghr% hjg rogwkkg

hro hee skbtwkkgs aut tmoy mhvo gibborojt prkportios

hjg prinos hjg hro tmorobkro usog ij gibborojt whys ij

auiegijc nkjstruntikj*


1 >+14+148>


3/12

Wmo cojorhe phttorj kb skbtwkkg uso ij auiegijc

nkjstruntikj6

8) Brhìjc6 Tijo% spruno

1) Aoh`s6 Bir% noghr% roswkkg

>) îgijc6 Noghr% roswkkg7) ^mijceos6 Noghr

MHQGSKKG^6

Aonhuso tmo troos tmht prkguno mhrgwkkgs thlo ùnm

ekjcor tk `hturo tmhj tmkso tmht prkguno skbtwkkgs%

mhrgwkkgs cojorheey nk``hjg ùnm micmor prinos%

mhrgwkkgs hro cojorheey usog kjey bkr bijismijc*

Qoehtikjsmip aotwooj troo crkwtm hjg wkkg strojctm6

Skkg crkws ij hj hjjuhe bhsmikj% witmnkjnojtrin rijcs brk` tmo nojtor -ij nrkss

sontikj) `hrlijc tmo aocijjijc hjg ojg

kb ohnm yohrs crkwtm*

So spohl kb tmoso rijcs hs tmo crhij kb

tmo wkkg* Smoj roborrijc tk wkkg wo

spohl kb girontikj hs aoijc phrheeoe tk% kr

hnrkss tmo crhij< òhjijc rospontivoey6

vortinheey hjg mkrizkjtheey witm rospont tk

tmo kricijhe sthjgijc troo*


1 >+14+148>


4/12

Skkg is twk tk bivo ti`os strkjcor phrheeoe tk tmo

crhij*

Smoj spohlijc kb aoh`s it is nk``kj tk spohl kb

strossos witm rospont tk tmoir girontikj6

8) Nk`prossikj is nhusog ay pusmijc tmoojgs kb tmo aoh` tkcotmor*

1) Wojsikj is nhusog ay pueeijc tmo ojgs

kb tmo aoh` hphrt*

>) ^mohr is nhusog ay sigowhys bkrno% i*o*

bkrno jkt hekjc tmo ekjc hxis kb tmo aoh`*

Skkg is >4/ strkjcor ij nk`prossikj tmhj ij tojsikj*


1 >+14+148>


5/12

Skkg is strkjcor ij rosistijc smohr hnrkss tmo crhij

tmhj it is phrheeoe tk tmo crhij*

@kisturo nkjtojt hjg sohskjijc6

Jow wkkg% tmht is wkkg ronojtey nut gkwj% nkjthijsh ehrco h`kujt kb `kisturo -tmis is ljkwj hs crooj

euàor)* Kvor tiò% tmo `kisturo ovhpkrhtos% hjg tmis

gryijc nhusos tmo wkkg tk smrijl% whrp% hjg twist* Ij

cojorhe% mhrgwkkgs smrijl `kro tmhj skbtwkkgs*

@kisturo nkjtojt hjg sohskjijc6

@kist wkkg is suafont tk rkt% hjg tmorobkro% gonhy* Ij

krgor tk rosist gonhy% tmo `kisturo nkjtojt ij wkkg

ùst ao aoekw 14/* Nk``kjey% wkkg is griog tk

hakut =/ `kisturo nkjtojt bkr ijtorikr usos% hjg 81/

`kisturo nkjtojt bkr brhìjc purpksos*


1 >+14+148>


6/12

ôhskjijc6

ôhskjijc is tmo prknoss kb prophrijc wkkg tk rosist

gonhy* Wmo òtmkgs kb sohskjijc hro hs bkeekws6

8) Hir gryijc -bkr twk tk six `kjtmos)

1) Liej gryijc

>) Trossuro trohtòjt6 ij wminm tmo wkkgis i`procjhtog witm nmoìnhes tmht

provojt gonhy*

^hwijc kb trujls6

8) Tehij shwijc6 tmis òtmkg rosuets ij tmo

crohtost yioeg*

1) Xuhrtor shwijc6 `kro oxpojsivo tmhj

pehij shwijc% tmis òtmkg eohvos tmo crhij

oxpksog% hjg rosuets ij eoss whrpijc kb

wkkg*

>) Qibtshwijc6 rhgihe nuttijc% usog bkr

oxpojsivo wkkgs*


1 >+14+148>


7/12

Nmhrhntoristins kb nk`òrnihe euàor

_jits kb òhsuro% sizos6

Auel euàor is òhsurog ij AKHQG BOOW* Kjoakhrg bkkt is gotorìjog hs 8 tminl ] 81] 81 ij

vkeuò* Kjo tmkushjg akhrg boot is nk``kjey

haarovihtog witm h nhpithe @* Akhrg òhsuro is

haarovihtog a*`*

^thjghrg ijnm òhsurog nrkss sontikjs6

8) Jkìjhe sizo is tmo sizo kb h piono kbwkkg aobkro it is pehjog ht tmo ìee* Wmis

is tmo sizo ay wminm tmo wkkg is skeg*

Wmht is% h 1 x 7 is twk ijnmos ay bkur

ijnmos ij nrkss sontikj AOBKQO it is

pehjog*

1) Grossog sizo is tmo hntuhe sizo kb tmo

purnmhsog euàor* It is cojorheey

s`heeor ij ovory giòjsikj tmhj tmo

jkìjhe sizo* Wmus h 1 x 7 is roheey

kjey 8 x > *


1 >+14+148>


8/12

^thjghrgizhtikj kb sizos6

Wmo jkìjhe sizos kb nk`òrniheey hvhiehaeo euàor

hro sthjghrgizog aktm bkr eojctm% hjg bkr nrkss sontikj*

Wmo rosuet is ekwor nksts por akhrg bkkt tmhj bkr wkkg

nut ht kbb sizos*

8) Eojctms hro sthjghrgizog ij boot ht 1%

=% 84% 81% 87% " 82*1) Nrkss sontikj is sthjghrgizog ij

ijnroòjts kb 1 ijnmos6

h* 8x1% 7% 2 =% 84% "

81

a* 1x1% 7% 2% =% " 84

n* 7x7% 2% =% 84% &81

Crhgijc kb euàor

Euàor is crhgog bkr strojctm% i`porbontikjs -sunm hs

ljkts)% hjg hppohrhjno*

Nhjhgihj euàor is crhgog ay kjo kb tmo bkeekwijc

krchjizhtikjs6

8) AN Euàor @hjubhnturors

Hssknihtikj

1) Sost Nkhst Euàor Ijspontikj Aurohu

>) Sostorj Skkg Trkgunts Hssknihtikj

7) Ohstorj ^pruno Crhgijc Nk`ìttoo

?) Ohstorj Tijo Crhgijc Nk`ìttoo

2) Nhjhgihj Euàor`hjs Hssknihtikj


1 >+14+148>


9/12

Cojorhe crhgijc bkr wkkg nkjstruntikj6

8) _tieity pkkrost% jkt cojorheey usog bkr

nkjstuntikj

1) ^thjghrg% nkjstruntikj nk``kjey

usog bkr auiegijc

>) ôeont strunturhe aost quheity% usog bkr

ehrcor strunturhe òàors

Gibborojt snmoòs oxist bkr wkkgs witm sponibin usos6

8) Gonlijc wkkg ôeont% Nk`òrnihe

crhgos

1) ^kbtwkkg sigijc H%A%N%G

>) Mhrgwkkg sigijc Birsts% ônkjgs%

ôeont% Jk* 8 Nk``kj

7) Noghr smijceos 8% 1% >

@hj-@hgo Skkg Trkgunts


1 >+14+148>


10/12

Teywkkg6

Rojoors kb wkkg hro tmij ehyors kb wkkg kathijog ay

rkthry nuttijc* Teywkkg smoots hro nk`pksog kb

sovorhe ehyors kb wkkg vojoor% ceuog tkcotmor*

8) Ohnm ehyor kb peywkkg mhs its crhij

kbbsot 94 gocroos tk tmo hgfkijijc ehyors

tk provojt whrpijc*1) Teywkkg is nkjstitutos kb bhnno peios

hjg nkro peios*

Teywkkg6

Ohnm bhno pey is crhgog hnnkrgijc tk hppohrhjno hjg

gurhaieity kj h snheo kb H tk G ij gosnojgijc quheity%

hs bkeekws6

h* H0 s`kktm hjg phijthaeo

a* A0nkjthijs rophir peucs% hjg+ kr

ticmt ljkts

n* N0 nkjthijs ljkts% speits% hjg+kr

peucs

g* G0 jkt suithaeo tk ao oxpksog% ijjor

kjey

o* J0 is h sponihe nhtockry wmoro h

bijism vojoor -sunm hs whejut) is hppeiog

tk tmo bhno< it ijginhtos broogk` brk`

gobonts*


81 >+14+148>


11/12

Teywkkg is nk``kjey crhgog witm twk eottors< kjo bkr

ohnm bhno pey* ^kò nk``kj crhgos kb peywkkg hjg

tmoir nk``kj usos hro hs bkeekws6

h* JJ% JH% JA usog bkr burjituro%

nhaijotwkrl

a* HH usog wmoro aktm sigos wiee ao

visiaeon* HA usog tk nkvor ujbijismog brhìjc

g* HN usog bkr rkkb gonlijc

o* AN usog bkr cojorhe utieity

b* AA usog bkr bkr`wkrl

c* NN usog bkr rkucm+to``pkrhry

situhtikjs

Teywkkg is hvhiehaeo ij Ijtorikr hjg Oxtorikr Crhgos%

wminm hro gotorìjog ay wmotmor kr jkt `kisturo

rosisthjt hgmosivos hro usog -Oxtorikr Crhgo is

nmhrhntorizog ay `kisturo rosisthjno)*

Mhrgakhrg

Mhrgakhrg gosnriaos h `htorihe `hgo

brk` wkkg biaors wminm hro akjgog ujgor

moht hjg prossuro*

Its twk bkr`s hro ahsin hjg probijismog

-wminm is ljkwj hs `hskjito)* @hskjitonhj ao whtorprkkbog ib jonosshry*

Nk``kj usos ijneugo ujgorbekkrs%

nhaijot wkrl% hjg noieijcs*


81 >+14+148>


12/12

Thrtineo akhrg6

Thrtineo akhrg gibbors brk` mhrgakhrg ij

tmht tmo nmips kr wkkg pionos hro ceuogtkcotmor witm rosijs hjg ktmor aijgors*

It nkòs ij ijtorikr hjg oxtorikr crhgos*

Hspojito is h lijg kb phrtineo akhrg witm

rhtmor ehrco nkjstituojt biaros* It is

nk``kjey usog bkr smohtmijc hs h

suastituto bkr peywkkg*

Nk`pksito akhrg6

Nkjsists kb h mk`kcojokus ehyors kb

robijog wkkg prkgunt -nhrg phpor)*

I`procjhtog witm hspmhetin `htorihes*

Aonhuso it is whtorprkkb% it is usog hs

eicmt nkjstruntikj smohtmijc*

Ckkg hnkustin quheitios% it is kbtoj usog

bkr noieijcs hjg ijtorikr whee bijismos*

Tuep hjg Thpor prkgunts6

8) Auiegijc phpor is boet phpor

i`procjhtog witm hspmhet% skòtiòs

roijbkrnog witm biarocehss* It is

whtorprkkb% usog hs smohtmijc phpor% hjg

rkkbijc boets -hnts hs vhpkr ahrrior)*

1) Hspmhet ^mijceos hro rhcs kb wkkg hjg

puep% wminm hro shturhtog witm hspmhet*

Crhjueos kb `hraeo hro hbbixog tk tmo

oxpksog surbhno*

>) Nkjnroto bkr`s6 rkujg nkjnroto

nkeu`js hro kbtoj pkurog ijtk h skjktuao6

h nyeijgor kb phpor nkhtog witm whx%

wminm is pooeog hwhy*

7) Hnkustin biaorakhrgs -ahsinheey tmo

shò hs nk`pksito akhrg)


Structure and Wood Properties

Documents