Download - materiale de constructii seminar.pdf
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I. Lemnul
a). Tipuri de piese de lemn
1. sipca - sectiune maxim 4/6 cm)
sipca pentru suprafete curbe
2. scandura - sectiune dreptunghiulara, grosimea maxim 4 cm, latimea minim 8 cm)
3. rigla (cusac, caprior) - grosimea 4-10 cm, latimea cel mult dublul grosimii
4. dulapul - grosimea 4-10 cm, latimea mai mare decat dublul grosimii, minim 10 cm
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5. grinda - grosimea minim 10 cm, latimea minim 10 cm
Scandura cu lamba si uluc (folosita la lambriu)
Parchet cu lamba si uluc
Pervaz
Plinta
Sita
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Blind
Pluta
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b). Produse semifinite ale industriei lemnului
Furnirul - furnir estetic
- furnir din pluta
Contraplacajul
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Contraplacajul bachelitizat
Panel
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Panouri celulare
panou celular cu miez fagure
Panouri din aschii lemnoase aglomerate (PAL)
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Placi din fibra lemnoasa aglomerata (PFL)
PFL dur
PFL laminat dur
PFL Poros
(pfl canelat)
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Lemn uscat in conditii proaste
II.Piatra naturala.
a) Rocile Vulcanice
1.granit
2.roci porfirice
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3.roci bazaltice (bazalt)
4.trahit
5.tuf vulcanic / lava vulcanica
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b)Rocile sedimentare
1.roci necimentate (nisipuri)
2.pietrisuri
3.conglomerate
4.brecie (solidificare de grohotisuri)
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6.calcar cochilifer
7. calcar oolitic
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8.travertin
c) Rocile metamorfice
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1.marmura
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2.ardezie
d) Modalitati de prelucrare ale pietrei
1.spituire (foto 1-fata din dreapta; foto 2-marmura spituita)
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2.pieptanare(fata din stanga)
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3.slefuire(fata din stanga)
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e) Produse pe baza de piatra naturala
1.mozaic sub forma de dala mozaicala
2.piatra reconstituita din fragmente de piatra (deseuri de placi) si rasini sintetice
3.piatra reconstituita tip Tomistone
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III. Ceramica
1.caramida plina obisnuita
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2.caramida cu 15% goluri vertical folosita pentru peretii de compartimentare
3.caramida cu 30-40% goluri verticale
4. corp ceramic pentru planseu(sus)
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5. tigla (solzi) glazurata
6.olan folosit la invelitori
7.tigla industriala cu simplu uluc fabricata prin presare
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8.tigla industriala cu simplu uluc fabricata prin tragere
9.tigla cu dublu uluc
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10.granule de ceramica (granulit)
11.caramida pentru placaj
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12.placa ceramica
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13.placute ceramice glazurate folosite la finisarea peretilor
III.Ceramica(part II)
14.Plinta ceramica
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15.Scafa ceramica
16.Placa ceramica
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17.Clincher de pavaj
18.Placa vitrifiata pentru placarea peretilor
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19.Placute CESAROM nesmaltuite (mosaic folosit la placarea peretilor)
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IV.Sticla
a.Sticla de securitate
1.Geamul armat
2.Tigla armata
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3.Sticla laminata
4.Sticla securizata
5. Sticla cristalizata
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b.Sticla decorativa
6.Sticla decorativa, calcosodica, obtinuta prin procedeul de turnare si laminare
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7.Sticla decorativa (muslin) facuta prin sablare
8.Sticla sablata pe o parte, cu autocolant pe alta
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9.Sticla colorata in masa - se foloseste la vitralii
10.Sticla riglata, pe spate cu autocolant
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11.Placute din sticla
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12.Sticla emailata
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13.Sticla opacizata (opaxit)
c.Geamuri cu calitati speciale14. Sticla catatermica (anticalorica, termoabsorbanta)
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15. Sticla termoreflectanta
16. Sticla termoizolanta
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17. Sticla poroasa (spongioasa)
18. Tigla de sticla pentru invelitori luminoase, cu rizuri
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19. Caramida de sticla
20. Profilit
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V.Lianți
1. Pietre artificiale şi produse pe bază de ciment Portland
a. betonul aparent b. piatra artificială şi similipiatra c. mozaicul- Mozaic turnat pe loc - bucată de treaptă
- Dală de mozaic prefabricat obţinută prin presare
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d. Mozaicul florentin e. Mozaicul roman f. Mozaicul veneţian g. Eternit sub diverse forme- ţiglă de eternit
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- panou sandviş de eternit cu miez de polistiren
- conductă de eternit
h. Betoane uşoare- Betonul macroporos - Betonul din agregate uşoare (tras, piatră ponce, tuf vulcanic, polistiren expandat
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-Betonul din agregate uşoare care conşine rumeguş de lemn (rumbeton)
-Betonul din agregate uşoare care conţine deşeuri vegetale fibroase (fibrobeton)
-Betoanele celulare-Beton celular autoclavizat (B.C.A.) pe bază de ciment
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-Beton celular autoclavizat (B.C.A.) pe bază de var
1. Diverse- Dală de pavaje din beton simplu, obţinută prin presare
- Ţiglă de beton
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- Ţiglă de beton pentru învelitori, cu beton colorat
2. Pietre artificiale şi produse pe bază de var
a. Produse silicocalcare b. Betonul celular autoclavizat (B.C.A.) pe bază de var şi cenuşă de termocentrală
c. Cărămizile şi blocurile de zgură de furnal şi var
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3. Pietre artificiale şi produse pe bază de ipsos
a. Stucomarmura (stucul de clei) (241, 242, 236)
b. Material de pardoseală din ciment de anhidrit şi răşini sintetice (Leunit) c. Blocuri din beton de ipsos cu zgură
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d. Blocuri de beton de ipsos şi rumeguş, paie, trestie sau stuf
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e. Plăci plane din ipsos cu structură-fagure f. Plăci de tencuială uscată
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Ipsos cu găuri (238)
4. Pietre artificiale şi produse pe bază de ciment magnezian
a. Xilolitul b. Fibrolitul (stabilitul)
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c.Dolomitul
1. Metale feroase
Oţelul- plasă de rabiţ, din sârmă de oţel
- ţevi de oţel cu diametre diferite, folosite pentru transportul lichidelor sau pentru structuri metalice
- ţevi de oţel cu secţiune pătrată sau dreptunghiulară, folosite pentru structuri metalice
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- nod prin îmbinarea mai multor profile de oţel inoxidabil, sudate
Bare de oţel pentru armături - bară simplă de oţel – a se observa că e corodată
- bară de oţel obţinută prin tragere şi răsucire
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- bară de oţel obţinută prin forjare( ecruisare)
- alcatuire din două foi de tablă de oţel cu polistiren la mijloc, folosit pentru realizarea pereţilor
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- plasă pentru armare cu ochiuri de 10 cm, folosită pentru armarea planşeelor sau a suprafeţelor plane. Construită prin sudare cu arc electric.
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- profie din oţel obţinute prin laminare
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- sârmă de oţel (248)
- profil cu bulon din oţel inoxidabil
- profil de oţel pentru îmbinarea treptelor (prazn)
- element de oţel extrudat pentru tâmplărie
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- profile de oţel îndoite la rece cu acantul
Fonta
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- fontă turnată
2. Metale neferoase
Aluminiul - profile laminate/extrudate folosite la construcţia ferestrelor
- profil din aluminiu eloxat folosit pentru placarea pereţilor
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- profil din aluminiu extrudat folosit la placarea pereţilor, planşeelor
- profil de aluminiu extrudat folosit la placarea pereţilor si tavanelor
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- Reynobond – folosit pentru placarea pereţilor
- izopanel – obţinut din două foi de aluminiu cu polistiren expandat la mijloc
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Cuprul- profil din tablă de cupru folosit pentru decoraţii, obţinut prin procedeul de matriţare
Plumbul
Zincul- profil din tablă zincată îndoită
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3. Aliajele
Alama - bară de alamă (cupru + zinc folosită pentru schele, mobilier)BronzulCupru-AluminiuCupru-Nichel
Materiale plastice, materiale din polimeri şi răşini sintetice
a. Răşini termorigide Răşini epoxidice - exemplu de răşină expxidică ; pardoseala
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Răşini fenolice - bachelita - contraplacaj bachelitizat
Răşini melaminice- melamina
Răşini poliesterice- poliester - plăci din poliester pentru învelitori
Răşini poliuretanice
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- poliuretanul elastic- burete
- poliuretan rigid
- panou cu poliuretan (poliisocianurat) între două folii de aluminiu
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b. Răşini termoplastice
Răşini acrilice- PLEXIGLAS
Polimerii şi copolimerii stirenului- polistiren expandat
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Policlorura de vinil- tâmplărie PVC
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- tâmplărie PVC cu profil de aluminiu extrudat
- jaluzele de PVC, goale pe interior - mână curentă din PVC
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- parte de uşă pliantă din PVC
- ţevi pentru instalaţii din PVC sau polipropilenă
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- profil din PVC pentru mascarea cablurilor
- panouri celulare din PVC pentru realizarea pereţilor despărţitori uşori
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- panouri celulare din PVC pentru placarea pereţilor subţiri
- panouri obţinute prin vacuumare
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- plăci ondulate din PVC armate cu fibră de sticlă pentru realizarea plafoanelor
- profile din PVC pentru placarea pereţilor cu sistem de prindere ca la lambriuri
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- ţiglă din PVC în două straturi
c. Diverse - nesortate
- ebonita (300)
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