Kwiimeko eziqhelekileyo, ubuninzi be-granite abutshintshi kakhulu ngexesha, kodwa phantsi kweemeko ezithile ezithile, kunokutshintsha. Oku kulandelayo luhlalutyo oluvela kwimiba eyahlukeneyo:
Kwiimeko eziqhelekileyo, ubuninzi buzinzile
I-Granite ilitye elivuthayo elihlanganiswe ngamaminerali afana ne-feldspar, i-quartz kunye ne-mica, kwaye inkqubo yokwakheka kwayo ide kwaye inzima. Emva kokubunjwa kwayo, isakhiwo sayo sangaphakathi samaminerali kunye nokwakhiwa kweekhemikhali zizinzileyo. I-Granite inesakhiwo esixineneyo esine-uniform kunye neencinci ezincinci. I-porosity yayo ngokubanzi yi-0.3% - 0.7%, kwaye izinga lokufunxa kwamanzi lihlala liphakathi kwe-0.15% kunye ne-0.46%. Lo gama nje ingakhange ixhomekeke kwiziphumo eziqinileyo zomzimba kunye neekhemikhali ezivela ngaphandle, ilungiselelo leeminerali ngaphakathi aliyi kutshintsha lula, kwaye ubunzima beyunithi nganye iya kuhlala ingatshintshi, kunye noxinzelelo ngokwendalo. Ngokomzekelo, iinxalenye zegranite ezazisetyenziswa kwezinye izakhiwo zakudala ziye zanyamezela amakhulu okanye amawaka eminyaka. Kwimeko egcinwe kakuhle, ukuxinana kwabo akuzange kwenzeke naluphi na utshintsho olubonakalayo.
Iimeko ezikhethekileyo zingakhokelela ekutshintsheni kobuninzi
Impembelelo yomzimba: Ukuba i-granite ixhomekeke kumandla angaphandle abalulekileyo afana nokunyanzeliswa kunye nefuthe ixesha elide, kunokubangela utshintsho oluncinci kwisakhiwo sayo sangaphakathi. Ngokomzekelo, kwiindawo ezineenyikima zarhoqo, igranite iphantsi koxinzelelo olunamandla olubangelwa kukushukuma kwecrustal. Izikhewu phakathi kweengqungquthela zangaphakathi zamaminerali zingaxinzelelwa kwaye zincitshiswe, kwaye iipores ezincinci ezikhoyo zangaphambili zingavalwa ngokuyinxenye, okukhokelela ekunyukeni kobuninzi bezinto eziphathekayo kwiyunithi nganye kunye nokunyuka kobuninzi. Nangona kunjalo, olo tshintsho ludla ngokuba luncinci kwaye lufuna amandla angaphandle anamandla kakhulu kwaye aqhubekayo ukuba enzeka.
Ukusabela kweMichiza: Xa igranite ibekwe kwindawo ekhethekileyo yeekhemikhali ixesha elide, ukuxinana kwayo kunokutshintsha. Ngokomzekelo, ukuba i-granite ibonakaliswe kwizinto ezine-asidi okanye ze-alkaline ixesha elide, ezinye zezixhobo zayo zeminerali zinokuthi zenzeke kwiikhemikhali zezi khemikhali. Iiminerali ezifana ne-feldspar kunye ne-mica zinokugqweswa kwaye zinyibilike kwiindawo ezine-acidic, ezikhokelela ekulahlekeni kwezinye izinto. Oku kubangela i-voids eninzi ngaphakathi kwegranite, ukuncipha kobunzima bubonke, kwaye ngaloo ndlela ukuncipha koxinzelelo. Ukongezelela, xa i-granite ibonakaliswe kwindawo emanzi kunye nekharbon dioxide eninzi ixesha elide, inokuthi iqhube i-carbonation reactions, eya kuchaphazela isakhiwo sayo sangaphakathi kunye nokwakhiwa kwayo, kwaye ngaloo ndlela ifuthe ukuxinana kwayo.
Imozulu: Phantsi kweziphumo zemozulu zexesha elide zendalo ezifana nomoya, ukukhanya kwelanga kunye nemvula, umphezulu wegraniti uya kuxobuka kancinci kwaye ubole. Nangona isimo sezulu sichaphazela kakhulu umgangatho wegranite, njengoko ixesha lihamba kwaye imozulu iyancipha, yonke into yegranite iya kulahleka. Ngaphantsi kwemeko yokuba umthamo uhlala ungatshintshi okanye utshintshe kakhulu, ubunzima buya kuncipha kwaye ubuninzi buya kuncipha. Nangona kunjalo, imozulu yinkqubo ecotha kakhulu kwaye inokuthatha amakhulu okanye amawaka eminyaka ukuba ingxinano itshintshe kakhulu.
Ngokubanzi, phantsi kweemeko eziqhelekileyo zokusingqongileyo kunye nokusetyenziswa, ubuninzi be-granite bunokuthathwa njengento ezinzileyo kwaye ayikatshintshi. Nangona kunjalo, phantsi kwempembelelo yendalo ekhethekileyo yomzimba, yeekhemikhali kunye nendalo, ukuxinana kwayo kunokutshintsha ukuya kwinqanaba elithile ngokuhamba kwexesha.
Ixesha lokuposa: May-19-2025