Mark kankare ko sa? Yadda za a rarraba da kankare a gina naka gida?

Mai developers na mutum gidaje classifies kankare, yin amfani da wani lokaci kamar kankare sa. Duk da haka, wannan gini abu yana da wani halayyar - da aji. Tare da abin da aka haɗa wannan selectivity, da kuma abin da yake da bambanci tsakanin lamba da kuma aji?

Concretes sun fi na kowa, irinta, kayan gini, da kuma na biyu amfani, bayan da ruwa hanya a duniya. An wani wucin gadi dutse samu, sakamakon daga solidification wani taro yi kama gauraye a wasu rabbai na gyara kamar siminti, ruwa, fillers da / ko magina.

Akwai fairly manyan dama daban-daban concretes bambanta a manufa, kuma a bayyanar da irin babban m da fillers - da kuma ripening yanayi, da kuma tsarinta. Duk da haka, duk da dukan da wannan iri-iri na kankare, akwai kawai uku na asali ingantaccen halaye da cewa an yi amfani da lissafin for zane na gaba wuraren - ƙarfi, ruwa juriya da kuma sanyi juriya. Don sanin da yawa na wadannan muhimmanci Properties na kankare da aka gabatar da manufar da iri da kuma sa.

Alal misali, amfani da yadu a cikin mutum gidaje domin erection na daban-daban kankare tushe alama 200 nasa ne aji B 15 da kuma wani sanyi - F75-F100 da kuma hana ruwa - W2-W4.

Hakika, na farko na dukkan tambaya taso daga abin da suke da daraja na kankare kuma menene bambancin daga aji.

Dole ne mu fara da, da kankare azuzuwan da tambura alamun na musamman ƙarfi halaye, duk da haka, da wasu nuance a m aikace-aikace.

Brand ƙarfi ne daidaita lamba index samu daga dakin gwaje-gwaje gwaje-gwaje da kuma compressive ƙarfi. A cikin wasu kalmomi, da darajar da kayyade abin da matsakaicin inji kaya jure square santimita surface. Kamar yadda kankare ayan kara a kan lokaci, da ƙarfi, da gwaje-gwaje ne batun reference samfurori (simintin cubes da wani gefe na 10 santimita) yana da shekaru maturation ba kasa da kwanaki 28. Data kasance kankare lamba - a cikin kewayon daga M800 zuwa M50 (tare da kara yawa daga karuwa a lamba index). Domin mutum gini da ba a amfani kankare sama sa 400.

Duk da haka, karfin ake da'awar lamba darajar ne a dakin gwaje-gwaje, tun a yi shi rinjayar da dama takobin tada zaune tsaye dalilai kamar disturbances a cikin masana'antu da fasaha, da mismatch ingancin yashi da ruwa, kuma a saitin canji kwanciya yanayi. Duk da wannan take kaiwa zuwa wani karu ƙarfi halaye. Kuma wannan kuskure ko coefficient na bambancin ne babban bambanci tsakanin ajin na kankare on da iri. Da gaske yana da kawai da ainihin karfin da kananan (5%) karkacewa. A yi na kankare aji - wani muhimmin dabara darajar da aka yi amfani da (da bambanci da maki) a cikin zane na nan gaba da shuke-shuke. Auna a MPa, kuma an kayyade Gost 26633-85. A total akwai goma sha shida ƙarfi azuzuwan jere daga 3.5 zuwa 60 a.

Wadannan ingantaccen halaye - ruwa juriya da kuma sanyi da juriya - suna classified kawai a kan alamomi.

Mark kankare, characterizes sanyi ne ma wani dakin gwaje-gwaje darajar. Yana wakiltar matsakaicin lamba nuna alama yawa gwajin a cikin abin da samfurin da aka hõre daskare-narke. Frost takwas alamomi aka ƙaddara a cikin kewayon daga 50 zuwa 500 F F.

Wani ingantaccen halayyar - aji na kankare on ruwa juriya. Ga lakabtawa na waterproofing amfani shida maki a jere daga 12 W zuwa W2, waxanda suke da matsakaicin darajar ruwa turawa a da reference samfurori ba su iya wuce ruwa (subject to misali gwaji yanayi).