Page 135 - Plumber- TT - 1st Year - Tamil

LXûYûV úRoÜ ùNnRp
LhÓUô]j Õû\«p ùYqúYß úYûXdLô] £ùUih NôkÕ LXûYL°u
®¡ReLs T¬kÕûWdLlThPûR ¸úZ ùLôÓdLlThÓs[Õ.

Y.Gi. úYûXL°u ®TWm NôkÕ LXûY«u YûLLs
(Nature of work ) (Type of mortar)

1 Ri½o úRe¡Ùs[ CPeLs Utßm £ùUih ApXÕ ÑiQôm× LXûY
§\kR ùY° CPeLs (1:3 )
(ÑiQôm×) Gªù]h¥ ûa¥WôXõd
ÑiQôm× (eminently hydraulic lime)

2 ¿o×LôR AÓdÏ (D.P.C) Utßm £ùUih LXûY 1:2
£ùUih Lôe¡Ãh NôûX
3 XõiPp (Lintels) çi (pillars) £Xôl £ùUih LXûY 1:3
(slab) T¥LhÓLs (stair) Lôe¡Ãh LXûY 1:2:4
4 RÓl× ÑYo Utßm ûLl©¥ ÑYo £ùUih LXûY 1:3 ApXÕ
ÑiQôm× LXûY 1:1

5 éfÑ éÑm úYûX (Plaster) £ùUih LXûY 1:3 ApXÕ 1:4
ApXÕ ÑiQôm× LXûY 1:2
6 Tô«u¥e úYûX (pointing work) £ùUih LXûY 1:1 ApXÕ 1:2

7 ùNeLp úYûX, LÚeLp Av§YôWm ÑiQôm× LXûY 1:2
©[ôd Lh¥P úYûX ØRXõV] £ùUih LXûY 1:6

8 ùNeLp úYûX«u CûQl×Ls ÑiQôm× LXûY 1:3
©[ôd Lh¥P úYûX ØRXõV] £ùUih LXûY 1:2

LXûY«u TVuLs (Uses of mortar) • ùNeL\ds, LÚeLtLs ApXÕ
©[ôdÏLû[ ÁÕ YÚm GûPVô]Õ (super
• ùNeLtLs, LÚeLtLs, ©[ôdÏLs
úTôu\Ytû\ JúW NôXõh UôvNôL (solid imposed loads ) úUp AÓd¡XõÚkR ¸r
mass) CûQlTRtÏ TVuTÓ¡\Õ. AÓd¡tÏ TWYf ùNn¡\Õ.

• Lh¥Pj§u ùY°l×\TWl©p Tô«u¥e • ùNeLp Utßm LÚeLp CûQl©p
(pointing) Utßm éfÑ éÑRp HtTÓm Ïû\Ls Uû\dLlTÓ¡\Õ.
B¡VûYLÞdÏ TVuTÓ¡\Õ. • Lh¥Pj§u úUtTWl©p HRôYÕ
Ïû\Ls CÚkRôp AûR Uû\dL
• LhÓUô] úYûX«u úTôÕ NUUô]
ERÜ¡\Õ.
TÓdûL AûUdLlTVuTÓ¡\Õ.
LXûY«u T¬úNôRû]Ls (Tests for mortar)
• úLô©e (coping) LôoTpv (carbels) Lôo²e
(cornice) ØRXõVûY AûUdL TVuTÓ¡\Õ. LXûYdÏ ùTôÕYôL ¸rLiP úNôRû]Ls
• LhÓUô]j§u úRôt\jûR úUmTÓjRÜm ùNnVlTÓm
TVuTÓ¡\Õ. • JhÓm RuûU (Adhesiveness to building units)

• ûTlLû[ CûQdLÜm. • ¡Wx¡e TXm (Crushing strength)
• CÝ®ûN TXm (Tensile strength)

©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.5.23 115