Granite, monga zinthu zomwe zimagwiritsidwa ntchito kwambiri pomanga, kukongoletsa, zida zachitsulo zolondola ndi madera ena, kachulukidwe kake ndi chizindikiro chofunikira choyezera khalidwe ndi ntchito. Posankha zida za granite, ndikofunikira kumvetsetsa zinthu zazikulu zomwe zimakhudza kachulukidwe kawo. Zotsatirazi zikufotokozerani mwatsatanetsatane.
I. Mapangidwe a Mchere
Granite imapangidwa makamaka ndi mchere monga quartz, feldspar ndi mica. Mapangidwe a kristalo, zomwe zili ndi mtundu wa mcherewu zonse zimakhudza kwambiri kachulukidwe. Mapangidwe a kristalo a quartz ndi feldspar ndi ochepa, ndipo makulidwe awo ndi okwera kwambiri. Pamene zomwe zili muzitsulo ziwirizi mu granite ndizokwera, kachulukidwe kake kadzawonjezekanso moyenerera. Mwachitsanzo, mitundu ina ya granite yolemera mu quartz ndi feldspar nthawi zambiri imakhala yochuluka kwambiri. M'malo mwake, mawonekedwe a kristalo a mica ndi otayirira. Ngati mica yomwe ili mu granite ndiyokwera kwambiri, izi zipangitsa kuti kachulukidwe ake achepe. Kuphatikiza apo, granite yokhala ndi mchere wochulukirapo wokhala ndi zolemera kwambiri zamamolekyulu monga chitsulo ndi magnesium nthawi zambiri imakhala ndi kachulukidwe kakang'ono. Granite, yomwe ili ndi mchere wambiri wa silicate, imakhala yochepa kwambiri.
Ii. Kukula kwa Tinthu ndi Kapangidwe
Tinthu kukula
Zomwe zimakhala zabwino kwambiri za granite particles, zimakhala zolimba kwambiri, ndipo zimakhala zocheperapo zamkati zomwe zimakhalapo, zomwe zimabweretsa kuwonjezeka kwa misa pa voliyumu ya unit ndi kuchulukana kwakukulu. Mosiyana ndi zimenezi, pa granite ya coarse-grained, tinthu tating'onoting'ono timakhala tating'onoting'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'onoting'ono tomwe timatulutsa timadzi timene timatulutsa timadzi timene timatulutsa timadzi timene timatulutsa timadzi timene timatulutsa timadzi timene timatulutsa timadzi timene timatulutsa timadzi tambirimbiri.
Mlingo wa structural tightness
Granite yokhala ndi mawonekedwe ophatikizika imakhala ndi tinthu tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tambiri tomwe timakhala tomwe timakhala tomwe timakhala tomwe timakhala tating'onoting'ono. Kapangidwe kameneka kamathandizira kukulitsa kachulukidwe. Komabe, granite yopangidwa mosasamala, chifukwa cha kusakanikirana kosakanikirana pakati pa tinthu tating'onoting'ono, imakhala ndi malo akuluakulu ndipo mwachibadwa imakhala yochepa kwambiri. Mwachitsanzo, granite yokhala ndi mawonekedwe owundana opangidwa kudzera m'mapangidwe apadera a geological ali ndi kachulukidwe kosiyana kwambiri poyerekeza ndi mawonekedwe ake osasunthika.
Iii. Digiri ya Crystallization
Pakupangidwa kwa granite, kutentha ndi kupanikizika kumasintha, makristasi amchere amatha kuwunikira pang'onopang'ono. Granite yokhala ndi kristalo wapamwamba imakhala ndi dongosolo ladongosolo komanso lophatikizana la kristalo, ndipo mipata pakati pa makhiristo ndi yaying'ono. Chifukwa chake, ili ndi misa yayikulu pa voliyumu iliyonse komanso kachulukidwe kakang'ono kwambiri. Granite yokhala ndi kristalo wocheperako imakhala ndi makonzedwe osokonekera a kristalo komanso mipata yayikulu pakati pa makhiristo, zomwe zimapangitsa kuti kachulukidwe kakang'ono kakhale kochepa.
Iv. Pores ndi ming'alu
Pakupanga ndi migodi ya granite, pores ndi ming'alu zimatha kuchitika. Kukhalapo kwa voids izi kumatanthauza kuti palibe zinthu zolimba zodzaza gawo ili, zomwe zingachepetse kuchuluka kwa granite ndikuchepetsa kuchulukira kwake. Kuchuluka kwa pores ndi ming'alu komwe kulipo, kukula kwake kwakukulu komanso kufalikira kwawo, ndizodziwikiratu kuti kuchepa kwa kachulukidwe kudzakhala koonekeratu. Chifukwa chake, posankha zida za granite, kuyang'ana ngati pali pores zoonekeratu ndi ming'alu pamwamba pake zitha kugwiritsidwa ntchito ngati chowunikira pakuwunika kuchuluka kwake.
V. Kupanga Chilengedwe
Zosiyanasiyana zachilengedwe zachilengedwe zingayambitse kusiyana kwa kugawa ndi zomwe zili mu mchere mu granite, potero zimakhudza kachulukidwe ake. Mwachitsanzo, miyala ya granite yomwe imapangidwa pansi pa kutentha kwambiri komanso kupanikizika kwambiri imakhala ndi mchere wambiri, mawonekedwe ophatikizika, komanso osalimba kwambiri. Kuchulukana kwa granite komwe kumapangidwa m'malo ocheperako kumatha kusiyanasiyana. Kuphatikiza apo, zinthu zachilengedwe monga kutentha, kupanikizika ndi chinyezi zimathanso kukhudza kapangidwe kake ndi kapangidwe ka mchere wa granite, zomwe zimakhudza kusachulukira kwake.
Vi. Njira Zopangira
Njira zomwe zimagwiritsidwa ntchito popanga migodi, monga kuphulika kwa migodi, zingayambitse ming'alu ya microscopic mkati mwa granite, kusokoneza kukhulupirika kwake komanso kukhudza kachulukidwe kake. The kuphwanya, akupera ndi njira zina pa processing akhoza kusintha tinthu boma ndi kapangidwe ka granite, potero zimakhudza kachulukidwe ake. Panthawi yoyendetsa ndi kusungirako, njira zosungiramo zolakwika kapena malo osungiramo nkhanza angapangitse granite kufinya, kugundana kapena kukokoloka, zomwe zingakhudzenso kachulukidwe ake.
Pomaliza, posankha zida za granite, m'pofunika kuganizira mozama zinthu zosiyanasiyana zomwe zimakhudza kachulukidwe zomwe tazitchula pamwambapa kuti muwunikire bwino momwe zimagwirira ntchito ndikusankha zida za granite zoyenera kwambiri pazogwiritsa ntchito zina.
Nthawi yotumiza: May-19-2025