Ukuthululwa ngekhonkrithi kumaqondo obushushu asezantsi: namacebo aluncedo

lobushushu Ubuncinane ngokugalela concrete - malunga 5 ° C. Oko kukuthi, eli nani kucingwa ukuba ukugxeka - up kule nani linokuyiqhuba nawuphi na umsebenzi ngekhonkrithi njengesiqhelo. Qaphela, noba kunjani, ukuba iqondo elilelona ukuba ngokugalela concrete - 17-25 ° C, ngenxa yokuba iimeko ezinjalo zivumela ukufumana amandla ubuninzi isicombululo. Ukuba amaqondo obushushu ukugalelwa concrete kufutshane-5 ° C, isicombululo kungenzeka ukuba ibe ngaphantsi nzima ixesha elide yaye musa ukufikelela parameters lowu ukuba brand. Kwanaxa esebenza lobushushu ezibalulekileyo, kufuneka kukhunjulwe ukuba ixesha ingenza ukwandisa kakhulu.

Noko ke, maxa wambi kuyimfuneko kuba ukwenza umsebenzi wokwakha ebusika kumaqondo obushushu aphantsi. Ngamana kuba yezizathu ezininzi:

• ixesha eliqingqiweyo zokwakha ehlotyeni ngenxa iimeko ezimbi zezulu;
• imfuneko ngokugalela eziphathekayo kwimihlaba iseyile;
• ukuhla yamaxesha kwamaxabiso ngenxa izinto, kubandakanywa isamente;
• ukwehliswa kwamaxabiso nemisebenzi iifem ezizodwa ngenxa intswelo ephantsi yeenkonzo zabo.

Kukho technologies ezimbini eziphambili, kunye apho unako ukufeza concreting ngamaxesha ezibandayo.

Eyokuqala ukuba ukuthululwa eziphathekayo kumaqondo obushushu aphantsi yenziwa kwi ngumnyhadala eshushu, njengoko apho unako ukwenza electrode eziqhelekileyo. Ngokufaka ofike umgangatho cable volt-12, apho ukungena nokuphuma yangoku. Oku kakhulu kokwanele kweentonga yesinyithi baba itshiswa kumo isisombululo, kunokuba usivumele smerznutsya. Ezingeloncedo le ndlela zisekuhleni - ukongeza ukusetyenziswa izinto ezikhethekileyo, kuza kufuneka asebenzise imali enobulungisa umbane.

Ngaphezu koko, ikhonkrithi ukugalelwa kumaqondo obushushu asezantsi nga kwenziwa formwork efudumeleyo. Umongo obu bugcisa sikuko ukufudumala isisombululo izinto ubushushu ezikhethekileyo ezifana njengogwebu okanye uboya bezimbiwa. Kodwa kukho ezinye iingxaki xa - kufuneka yokugubungela eziphathekayo ngeenxa zonke, nto leyo ebangela ukuba umbane ophezulu nezinto zenkxaso kunye nokwanda kwexesha umsebenzi.

Ukuthululwa ngekhonkrithi kumaqondo obushushu asezantsi: izikhokelo jikelele

1. Zonke izixhobo (intlabathi, uhlalutye) ukuba kusetyenziswa ukulungiselela isisombululo kufuneka luqulathe ngumkhenkce nekhephu. Kungcono ukuba othe kubo.
2. Wonke umsebenzi kufuneka wenziwe ngexesha elifutshane kunokwenzeka, ukuze isisombululo ayikwazanga ngumkhenkce.
3. Kumaqondo obushushu asezantsi ukulahlwa eziphathekayo kufuneka kwenziwe ngaxeshanye. Kudla eziveliswa umtyhido akunconywa, ngenxa yokuba iintanda ukuze babonakale phakathi maleko, nto leyo eyenza ukuba ikhonkrithi ixesha elide kangako.
4. Kuzakwandisa isantya kwaye eziphathekayo yokuqaqadeka uncedo ongeziweyo clutch ezahlukeneyo, ezifana potassium, isodiyam nayitrayithi, lignosulfonate, calcium chloride, isodiyam nikuda, kunye nabanye. Nakuba kunjalo, kufanele kuqatshelwe ukuba additive ngamnye ezinjalo iziphumo ebezingalindelekanga. Umzekelo, calcium chloride, kunokubangela umhlwa of unyanzeliso.

Ngaloo ndlela, sinokugqiba ukuba ukuthululwa eziphathekayo kumaqondo obushushu asezantsi kufuneka kwenziwe kuphela xa kungekho ithuba elinye eli nqanaba zokwakha phambi izimo ngakumbi.