Brand ee cement: sida ay u maraan

In waxaas oo kale ka fiirsaneysa sidii qori cement ah, waxaad u baahan tahay in ay diiradda saaraan xeerarka rasmiga ah, ka mid ah kuwaas oo GOST30515-97 ah oo kala qaybinaya oo dhan cements gaarka ah iyo sokeeye. isku Cementitious laga yaabaa in ay saldhigyo kala duwan (ferrite, aluminate calcium ama Portland Clinker cement) oo ku jira supplements macdanta kala duwan.

Sidoo kale xusid mudan tahay, in noocyada kala duwan waxay leeyihiin heerar kala duwan oo cement xoog compressive, heerka Daaweynta kala duwan (oo si caadi ah u-bystrotverdeyushchie), jeer goob kala duwan - ay jirto isku dar ah in ay bilaabaan in ay ka qallafin, in ka yar 45 daqiiqo oo halkaas medlennoskhvatyvayuschiesya (in ka badan 2 saacadood).

brand kasta oo ka cement waa in ay buuxiyaan tiro ka mid ah oo xuduudaheedu, oo ay ku jiraan: wax ka kooban oo gaar ah, wakhti adag, xoog compressive, samonapryazheniyu, cufnaanta cement imtixaanka, ballaarinta a toosan, content ee kiimikada loo baahan yahay (ra'iyi chlorine, xabagta baaruud, xabagta ah mg), heerka nijaasta biyaha , kulaylka iyo sifooyinka kale.

Baro kooban of sibidhka isku dar noqon kartaa magaceeda by. sifooyinka cement kelmadaha faahfaahsan ka siiyey Martidii kor ku xusan iyo sidoo kale in GOST10178-85. Haddii magaca bilaabo on PC - tani waa calaamad ka mid ah cement ku salaysan Portland Clinker cement, iyo haddii SPC - ka dibna waxaan la content sare ah oo miisaankeedu yahay slag (in ka badan 20%) slag.

Ka dib markii magacyada oo buuxa ama soo gaabiyey waa tiro in boqolaal ka, taas oo macnaheedu xoog compressive. Waayo, sifo Portland qiimeeyo 600, 550, 500, 400, waayo, slag ah - tiro ka 500 300. Sidoo kale, tirada ugu badan ee lagu daro A0 (no daro) si D20 ku qeexan horyaalka (lagu daro - 20%). ku jiri kara calaamad u yihiin solidification degdeg ah (D), hydrophobization cement iyo plastification ee isku dar ah (PL, GF), wax soo saarka ee Clinker cement leh oo sideeda oo caadi (H) iyo link a si Standard ee u dhiganta.

Tusaale ahaan, ka cement brand PTS550-D5-B-PL waa cement Portland a xoogga compressive of 550, 5% lagu daro bystrozatverdevayuschim iyo plasticized.

Iyadoo dhismaha dhismaha waxaa aad muhiim u ah in eber wareegga shuqullo lagu fuliyay si hufan. fiiro gaar ah waa in la siiyaa la aasaasin, oo inta badan ka samaysan la taaban karo. La taaban karo - isku dar ah ee sibidhka, ciid iyo quruurux. Cement Brand aasaas waa in ay ahaadaan of xoog ku filan sare riixo (400-500), iyo tirada sare ee, in ka yar wuxuu noqon karaa qadarka qalab kale. Tusaale ahaan, brand ee cement haray qalabka 400 ayaa laga qaadayaa in saamiga 1 \ 3 \ 3, iyo fasalka cement 500 - 1 \ 4 \ 4, siday u kala horreeyaan.

Cement waa maaddo oo nuuga biyaha si aad u wanaagsan, oo sida xaqiiqada ah waxay saamaysaa hantida - waxaa ugu danbeyn u lumiya xoog sheegay. Sidaa darteed, doorashada brand ee sibidhka ee shaqada dhismaha, waxaad u baahan tahay in aad eegto taariikhda soo saaridda iyo in la qeexo shuruudaha kaydinta, sida brand cement 400 halkii lagu kaydiyo bishii lumiyo 10% ka mid ah ay xoog, iyo lix bilood in ay lumiyaan 30% ka mid ah muuqaalada iyo noqdo cement fasalka 280. Wixii cement waxaa loo baahan doonaa supplements dheeraad ah, si kastaba ha ahaatee, ma ballan qaadi karno in la aasaasin kiiskan, waxaan u hesho xoog loo baahan yahay.