Xov Xwm - Txog qhov txawv ntawm marble thiab granite

Txog qhov sib txawv ntawm marble thiab granite

Txoj kev kom paub qhov txawv ntawm marble thiab granite yog saib lawv cov qauv.pob zeb marblenplua nuj, cov qauv kab du, thiab kev hloov xim nplua nuj.pob zeb granitecov qauv yog cov speckled, tsis muaj cov qauv pom tseeb, thiab cov xim feem ntau yog dawb thiab grey, thiab yog ib qho sib xws.

LubPob zeb granite
Cov granite yog rau cov pob zeb igneous, uas yog tsim los ntawm kev tawg ntawm magma hauv av thiab kev nkag mus ntawm cov khoom siv crystallization txias thiab metamorphic pob zeb ntawm granite. Nrog cov qauv siv lead ua thiab cov qauv pom tseeb. Nws yog tsim los ntawm feldspar (feem ntau yog potassium feldspar thiab oligoclase) thiab quartz, sib xyaw nrog me me ntawm mica (black mica lossis white mica) thiab cov zaub mov me me, xws li: zircon, apatite, magnetite, ilmenite, sphene thiab lwm yam. Lub ntsiab lus tseem ceeb ntawm granite yog silica, uas nws cov ntsiab lus yog li 65% - 85%. Cov khoom siv tshuaj lom neeg ntawm granite tsis muaj zog thiab acidic. Feem ntau, cov granite yog me ntsis dawb lossis grey, thiab vim yog cov siv lead ua tsaus, qhov tsos yog speckled, thiab ntxiv potassium feldspar ua rau nws liab lossis fleshy. Granite tsim los ntawm magmatic qeeb qeeb txias crystallization, faus tob hauv qab ntawm lub ntiaj teb, thaum qeeb qeeb txias, nws yuav tsim cov qauv ntxhib heev ntawm granite, hu ua crystalline granite. Granite thiab lwm cov pob zeb crystalline tsim lub hauv paus ntawm lub phaj continental, uas kuj yog cov pob zeb intrusive feem ntau uas raug rau lub ntiaj teb nto.

Txawm hais tias granite raug suav hais tias yog cov khoom siv yaj lossis pob zeb magma, tab sis muaj ntau yam pov thawj qhia tias qee cov granite tsim yog cov khoom ntawm kev hloov pauv hauv zos lossis pob zeb yav dhau los, lawv tsis yog los ntawm cov kua lossis cov txheej txheem yaj thiab rov ua dua thiab rov ua dua. Qhov hnyav ntawm granite yog nruab nrab ntawm 2.63 thiab 2.75, thiab nws lub zog compressive yog 1,050 ~ 14,000 kg / sq cm (15,000 ~ 20,000 phaus ib square inch). Vim tias granite muaj zog dua li sandstone, limestone thiab marble, nws nyuaj rau rho tawm. Vim yog cov xwm txheej tshwj xeeb thiab cov yam ntxwv ntawm cov qauv ruaj khov ntawm granite, nws muaj cov yam ntxwv tshwj xeeb hauv qab no:
(1) nws muaj kev ua tau zoo ntawm kev kho kom zoo nkauj, tuaj yeem siv rau qhov chaw pej xeem thiab kev kho kom zoo nkauj sab nraum zoov.
(2) kev ua tau zoo heev: sawing, txiav, polishing, drilling, engraving, thiab lwm yam. Nws cov machining precision yuav qis dua 0.5 mu m, thiab lub luminosity yog tshaj 1600.
(3) zoo hnav tsis kam, 5-10 npaug siab dua li hlau cam khwb cia.
(4) qhov coefficient ntawm thermal expansion me me thiab tsis yooj yim rau deform. Nws zoo ib yam li indium hlau, uas yog me me heev hauv qhov kub.
(5) cov modulus elastic loj, siab dua li cov hlau cam khwb cia.
(6) nruj, qhov coefficient sab hauv damping loj, 15 npaug loj dua hlau. Shockproof, shock absorber.
(7) cov granite yog brittle thiab tsuas yog ib nrab ploj tom qab kev puas tsuaj, uas tsis cuam tshuam rau qhov tiaj tiaj tag nrho.
(8) cov khoom siv tshuaj lom neeg ntawm granite ruaj khov thiab tsis yooj yim rau huab cua, uas tuaj yeem tiv taus cov kua qaub, alkali thiab xeb ntawm cov roj. Nws cov khoom siv tshuaj lom neeg yog nyob rau hauv qhov sib piv ncaj qha rau cov ntsiab lus ntawm silicon dioxide, thiab nws lub neej kev pabcuam tuaj yeem yog li 200 xyoo.
(9) granite muaj lub zog sib nqus uas tsis yog conductive, tsis yog conductive thiab lub zog ruaj khov.

Feem ntau, granite muab faib ua peb pawg sib txawv:
Cov granites zoo: qhov nruab nrab ntawm lub feldspar siv lead ua yog 1/16 txog 1/8 ntawm ib nti.
Granite nruab nrab: qhov nruab nrab ntawm lub feldspar siv lead ua yog kwv yees li 1/4 ntawm ib nti.
Cov granites ntxhib: qhov nruab nrab ntawm lub pob zeb feldspar crystal yog li 1/2 nti thiab loj dua, qee qhov txawm tias ob peb centimeters. Qhov ceev ntawm cov granites ntxhib yog qhov tsawg heev.
Nyob rau xyoo tas los no, granite suav txog 83 feem pua ​​ntawm cov khoom siv pob zeb siv rau hauv kev tsim lub cim thiab 17 feem pua ​​ntawm marble.

Lubpob zeb marble
Marble yog tsim los ntawm cov pob zeb metamorphic ntawm cov pob zeb sedimentary thiab cov pob zeb sedimentary, thiab yog pob zeb metamorphic tsim tom qab recrystallization ntawm limestone, feem ntau nrog cov qauv ntawm cov khoom seem biological. Lub ntsiab tivthaiv yog calcium carbonate, cov ntsiab lus ntawm uas yog li 50-75%, uas yog alkaline weakly. Qee cov marble muaj qee qhov ntawm silicon dioxide, qee qhov tsis muaj silica. Cov kab ntawm qhov chaw feem ntau tsis sib xws thiab muaj qhov nyuaj qis dua. Cov khoom xyaw ntawm marble muaj cov yam ntxwv hauv qab no:
(1) zoo nkauj kho kom zoo nkauj, marble tsis muaj hluav taws xob thiab ci ntsa iab thiab muaj yeeb yuj, thiab siv dav hauv phab ntsa sab hauv thiab pem teb kho kom zoo nkauj. Kev ua haujlwm zoo heev: sawing, txiav, polishing, drilling, engraving, thiab lwm yam.
(2) marble muaj cov khoom zoo hnav-resistant thiab tsis yooj yim rau laus, thiab nws lub neej kev pabcuam feem ntau yog li 50-80 xyoo.
(3) hauv kev lag luam, marble yog siv dav. Piv txwv li: siv rau cov khoom siv raw, tus neeg sawv cev ntxuav, cov kuab tshuaj metallurgical, thiab lwm yam.
(4) pob zeb marble muaj cov yam ntxwv xws li tsis-conductive, tsis-conductive thiab ruaj khov teb.

Los ntawm kev lag luam, txhua lub pob zeb limestone ntuj thiab polished hu ua marble, ib yam li qee cov dolomites thiab serpentine pob zeb. Vim tias tsis yog txhua lub marble haum rau txhua lub sijhawm tsim kho, marble yuav tsum muab faib ua plaub pawg: A, B, C thiab D. Txoj kev faib tawm no tshwj xeeb tshaj yog siv rau C thiab D marble uas crispy, uas xav tau kev kho tshwj xeeb ua ntej kev teeb tsa lossis kev teeb tsa.

Cov nplaum nplaum rau pob zeb marble kom muaj zog thiab tiv thaiv

Kev faib tawm tshwj xeeb yog raws li nram no:
Chav Kawm A: zoo marble nrog tib yam, zoo heev ua tiav, tsis muaj impurities thiab stomata.
Chav Kawm B: qhov tshwj xeeb zoo ib yam li hom marble qub, tab sis qhov zoo ntawm kev ua tiav tsis zoo dua li qub; Muaj qhov tsis zoo ntuj; xav tau me ntsis kev sib cais, nplaum thiab sau.
C: muaj qee qhov sib txawv hauv kev ua tiav zoo; Qhov tsis zoo, stomata thiab cov qauv tawg yog qhov tshwm sim ntau dua. Qhov nyuaj ntawm kev kho cov kev sib txawv no tuaj yeem ua tiav los ntawm kev cais tawm, nplaum, sau, lossis txhawb nqa ib lossis ntau txoj hauv kev no.
Chav Kawm D: cov yam ntxwv zoo ib yam li hom C marble, tab sis nws muaj ntau qhov tsis zoo ntuj, thiab qhov sib txawv ntawm kev ua zoo yog qhov loj tshaj plaws, thiab tib txoj kev yuav tsum tau ua ntau zaus. Hom marble no muaj ntau xim nplua nuj pob zeb, lawv muaj tus nqi kho kom zoo nkauj zoo heev.

Marble granite siv ntau yam sib txawv
Qhov txawv pom tseeb tshaj plaws ntawm granite thiab marble yog tias ib qho yog sab nraum zoov ntau dua thiab ib qho yog sab hauv tsev ntau dua. Feem ntau ntawm cov khoom siv pob zeb ntuj uas pom hauv sab hauv yog marble, thaum lub pob zeb ntuj uas muaj cov xim ntawm txoj kev sab nraum zoov yog granite.

Vim li cas thiaj muaj qhov chaw pom tseeb ua luaj li no los sib txawv?
Qhov laj thawj yog granite hnav-resistant thiab resistant rau corrosion, cua thiab hnub kuj siv tau ntev. Tsis tas li ntawd, raws li qib radioactive granite, muaj peb hom ABC: cov khoom chav kawm A tuaj yeem siv rau txhua qhov xwm txheej, suav nrog cov chaw ua haujlwm thiab chav tsev neeg. Cov khoom chav kawm B muaj radioactive ntau dua li chav kawm A, tsis siv rau sab hauv ntawm chav pw, tab sis tuaj yeem siv rau sab hauv thiab sab nraud ntawm txhua lub tsev. Cov khoom C muaj radioactive ntau dua li A thiab B, uas tsuas yog siv tau rau sab nraud ntawm cov tsev; Ntau dua C tus nqi tswj tus qauv ntawm pob zeb ntuj, tsuas yog siv tau rau seawalls, piers thiab stele.

Cov vuas granite dub rau cov tub ceev xwm hauv pem tebr

Pob zeb granite rau sab nraum zoov pem teb
Cov pob zeb marble zoo nkauj thiab tsim nyog rau kev kho kom zoo nkauj sab hauv. Cov av marble yog exquisite, ci thiab huv si zoo li daim iav, muaj lub zog ornamental, yog li ntawd nws yog dav siv hauv kev kos duab, hauv chav loj ntawm cov neeg muaj lub vijtsam marble loj thiab zoo nkauj. Cov hluav taws xob marble yog faintly negligible, thiab kev sib kis ntawm marble hauv Is Taws Nem yog lus xaiv.
Qhov sib txawv ntawm tus nqi marble granite

Arabescato marble rau chav dej

Txawm hais tias granite thiab marble yog cov khoom siv pob zeb zoo, qhov sib txawv ntawm tus nqi yog loj heev.
Tus qauv granite yog ib qho, xim hloov me ntsis, qhov kho kom zoo nkauj tsis muaj zog. Qhov zoo yog muaj zog thiab ruaj khov, tsis yooj yim puas tsuaj, tsis yooj yim zas xim, feem ntau siv sab nraum zoov. Granites muaj txij li kaum txog pua pua duas las, thaum cov plaub mos pheej yig dua thiab lub teeb kim dua.

Cov qauv ntawm marble yog du thiab mos, cov qauv hloov pauv nplua nuj, qhov zoo nkauj muaj cov qauv zoo nkauj rau kev kos duab toj roob hauv pes, marble yog cov khoom siv pob zeb kos duab. Tus nqi ntawm marble txawv ntawm ntau pua mus rau ntau txhiab yuan, nyob ntawm seb keeb kwm yog dab tsi, tus nqi ntawm cov khoom sib txawv yog loj heev.

Palissandro dawb marble rau phab ntsa kho kom zoo nkauj

Los ntawm cov yam ntxwv, lub luag haujlwm thiab qhov sib txawv ntawm tus nqi, peb tuaj yeem pom tias qhov sib txawv ntawm ob qho no yog qhov pom tseeb heev. Kuv vam tias cov ntsiab lus saum toj no yuav pab koj kom paub qhov txawv ntawm marble thiab granite.