Lissafin canje-canje na ɗimbin yawa don haɗin yashi-cment-gavel yana da mahimmanci a cikin gini da ayyukan injiniya. Fahimtar waɗannan canje-canje yana tabbatar da ingantaccen amfani da kayan aiki da ingancin tsarin ginin. Wannan karya tana ba da jagora mai fa'ida kan lissafin canje-canjen ɗimbin yawa don waɗannan haɗin, wanda aka bayyana a cikin ton/m³.
Tsayi ana ƙayyade shi a matsayin nauyi a kowace unguwar ƙarfin wani abu. A cikin mahallin hadewar ts ani, siminti, da koramu, tsayi yana taimaka wa wajen tantance yawan kayan da ake buƙata don wani ƙarfin musamman. Tsarin don tsayi shi ne:
\[ \text{Zafi} = \frac{\text{Nauyi}}{\text{Girman}} \]
Kafin a fara lissafin canje-canje na yawan nauyi, yana da muhimmanci a fahimci abubuwan da ke ciki:
Don ƙididdige canje-canje na kauri don haɗin yashi-simin-gwargwadon, bi waɗannan matakan:
Kowane bangare yana da takamaiman yawan nauyi, wanda aka saba bayyana a cikin kg/m³. Ga kimanin yawan nauyin wasu kayan gama gari:
Lissafa jimlar nauyin haɗin ta amfani da kason kowanne ɓangare. Ka ɗauka cewa kason haɗin shine 1:2:3 (siminti: yashi: ƙasa) don bayanin:
Canza nauyin daga kilogiram zuwa ton (1 ton = 1000 kg):
Yi amfani da tsarin hadawa don lissafin yawan nauyin hadin da aka hada:
\[ \text{Hadewar Yawan} = \frac{1 \times 1.44 + 2 \times 1.60 + 3 \times 1.80}{1 + 2 + 3} \]
\[ \text{Ciwon Guru} = \frac{1.44 + 3.20 + 5.40}{6} \]
\[ \text{Matsakaicin Kauri} = \frac{10.04}{6} \]
\[ \text{Hadin Nauyi} \approx 1.67 \, \text{tonne/m}^3 \]
Lokacin lissafin canje-canje na kauri, yi la'akari da abubuwan da ke gaba:
Lissafin ma'aunin nauyi don hadewar yashi, siminti da daddawa yana bukatar fahimtar nauyin abubuwa, canza nauyi zuwa ton, da amfani da rabo na hadawa don gano jimlar nauyin. Lissafi mai kyau yana tabbatar da amfani da kayan aiki yadda ya kamata kuma yana taimakawa ga nasarar ayyukan gini. Koyaushe a duba abubuwan da suka wajaba kamar lafiyar danshi da kauri lokacin gudanar da waɗannan lissafin.
