Zomwe simenti, konkire, ndi matope zimakhala zosokoneza poyambira omanga nyumba, koma kusiyana kwakukulu ndikuti simenti ndi ufa wokometsetsa (womwe sagwiritsidwa ntchito payekha), matope amapangidwa ndi simenti ndi mchenga, ndipo konkire ili ndi simenti, mchenga, ndi miyala. Kuwonjezera pa kusiyana kwa momwe akugwiritsira ntchito, iwo ali ndi ntchito zosiyana kwambiri. Ngakhale amalonda omwe amagwira ntchito ndi zipangizo tsiku ndi tsiku akhoza kusokoneza mawu awa, popeza simenti nthawi zambiri amagwiritsidwa ntchito kutanthauza konkire.
Sungani
Senti ndilo chomangiriza mu konkire ndi matope. Amagwiritsa ntchito miyala yamchere, dongo, zipolopolo, ndi mchenga wa silica. Zipangizozi zimaphwanyidwa kenaka zimagwiritsidwa ntchito ndi zinthu zina (kuphatikizapo zitsulo zachitsulo), kenako zimatenthedwa kufika pafupifupi 2,700 F. Zinthu izi, zomwe zimatchedwa Clinker, zimakhala ndi ufa wabwino.
Mutha kuona samenti wotchedwa portland samenti. Izi ndizo chifukwa choyamba chimapanga zaka 1800 ku England ndi mason, Joseph Aspdin wa Leeds, yemwe anafanizira mtunduwo ndi mwalawo kuchokera kumakona a pachilumba cha Portland kuchokera ku gombe la England.
Lero, simenti ya portland imakhalabe yamchere wotchuka kwambiri. Ndiwo mtundu wa simenti ya "hydraulic", yomwe imangotanthauza kuti idzayikidwa ndi kuumitsa ikaphatikizidwa ndi madzi.
Konkire
Konkire imagwiritsidwa ntchito padziko lonse lapansi monga maziko olimba ndi zowonongeka kwa nyumba iliyonse. Makhalidwe ake apadera ndikuti amayamba kukhala osakanizika, osakanikirana, amawasandutsa madzi, osinthasintha, omwe amatha kupanga mawonekedwe kapena mawonekedwe, ndipo amatha ngati chinthu cholimba monga miyala yomwe timadziwira monga konkire.
Konkire imapangidwa ndi simenti, mchenga, ndi miyala kapena zina zabwino komanso zolimba. Kuwonjezera kwa madzi kumayendetsa simenti, chomwe chiri chofunikira chomangiriza kusakaniza pamodzi kuti apange chinthu chimodzi cholimba .
Mukhoza kugula zosakaniza zokongoletsedwera m'matumba omwe amaphatikiza simenti, mchenga, ndi miyala kuti zonse zomwe mukuyenera kuchita ndi kuwonjezera madzi.
Izi ndi zothandiza pazinyamula zing'onozing'ono, monga kumangiriza mipanda yamtambo kapena malo ena. Pazinthu zazikulu, mukhoza kugula matumba a simenti ndikusakaniza ndi mchenga ndikudzipanga nokha, pogwiritsa ntchito galasi kapena chidebe china chachikulu, kapena kuitanitsa konkiti yowonjezera ndikuperekanso.
Chomera
Chomera chimapangidwa ndi simenti ndi mchenga. Pamene madzi akuphatikizidwa ndi mankhwalawa, simenti yatsegulidwa. Ngakhale konkire ikhoza kuyima yokha, matope amagwiritsidwa ntchito kugwira pamodzi njerwa, miyala kapena zigawo zina zoterezi. Senti kusanganikirana, motero, kuyankhula molondola, kumatanthauza kugwiritsa ntchito simenti mu kusakaniza matope kapena konkire.
Nthawi zina zimagwiritsidwa ntchito pakati pa njerwa pomanga njerwa za njerwa , ngakhale sizimagwiritsidwa ntchito nthawi zonse. Mwachitsanzo, kumpoto kwa nyengo, kumene matope amatha kuzizira m'nyengo yozizira, njerwa zingakhale zomangika, kapena kuphatikiza mchenga pakati pawo.