Nkhani - Chifukwa chiyani mwala wa granite ndi wamphamvu komanso wokhazikika?

Chifukwa chiyani miyala ya granite ndi yamphamvu komanso yolimba?
Granitendi imodzi mwa miyala yamphamvu kwambiri m’thanthwelo. Sikovuta kokha, koma osati kusungunuka mosavuta ndi madzi. Sikololedwa ndi kukokoloka kwa asidi ndi alkali. Imatha kupirira kupanikizika kopitilira 2000 kg pa centimita imodzi. Weathering alibe zotsatira zoonekeratu pa izo kwa zaka zambiri.

Maonekedwe a granite akadali okongola, nthawi zambiri amawonekerawakuda, woyera, imvi, yellow, mtundu wa maluwa, duwa ndi zina zotero za mtundu wosaya, zimadutsa malo akuda, okongola komanso owolowa manja. Ubwino womwe uli pamwambapa, umakhala kusankha pamwamba pamwala womanga. Mwala wapamtima wa chipilala cha ngwazi za anthu pabwalo la tiananmen ku Beijing wapangidwa kuchokera pachidutswa cha granite chomwe chatumizidwa kuchokera ku Laoshan, m'chigawo cha Shandong.

Chifukwa chiyani granite ili ndi izi?
Tiyeni tione kaye zosakaniza zake. Mwa tinthu tating'ono ta mchere timene timapanga granite, kuposa 90% ndi mchere awiri, feldspar ndi quartz, omwenso ndi feldspar kwambiri. Feldspar nthawi zambiri imakhala yoyera, imvi, yofiira, ndi quartz yopanda mtundu kapena imvi, yomwe imapanga mitundu yoyambirira ya granite. Feldspar ndi quartz ndi mchere wovuta komanso wovuta kusuntha ndi mipeni yachitsulo. Koma mawanga amdima mu granite, makamaka wakuda mica ndi mchere. Ngakhale mica yakuda ndi yofewa, si yofooka pokana kukakamizidwa, ndipo zigawo zake mu granite ndizochepa kwambiri, nthawi zambiri zosakwana 10%. Ichi ndi chikhalidwe cholimba kwambiri cha granite.
Chifukwa china chomwe granite imakhala yolimba ndikuti njere zake zamchere zimamangiriridwa mwamphamvu, komanso kuti pores nthawi zambiri amakhala osakwana 1% mwa mphamvu yonse ya thanthwe. Izi zimapatsa granite mphamvu yolimbana ndi kukakamizidwa kwamphamvu ndipo sichilowetsedwa mosavuta ndi madzi.

Granite ngakhale ndi yolimba kwambiri, koma mu nthawi yayitali ya dzuwa, mpweya, madzi ndi biology, padzakhala tsiku la "vunda", kodi mungakhulupirire? Mchenga wambiri mumtsinjewu ndi njere za quartz zomwe zasiyidwa pambuyo pa kuwonongedwa, ndipo dongo lofalitsidwa kwambiri limakhalanso chifukwa cha nyengo ya granite. Koma itenga nthawi yayitali, kotero malinga ndi nthawi ya anthu, granite ndi yolimba kwambiri.