- Iqondo lokushisa lokuhamba kwansuku zonke liphantsi kwe-5 ° C (40 ° F) kwaye,
- Ubushushu bomoya abukhulu kunama-10 ° C (50 ° F) ngaphezu kwesiqingatha seyure ezingama-24.
Xa ikhonkrithi ilawulwa phantsi kwexesha elibandayo, kufuneka likhuselwe kwiqhwa emva kokuthululwa. Ikhonkco kufuneka ikwazi ukuphucula amandla adingekayo ekukhutshweni okukhuselekileyo kweefom ngelixa kuncitshiswa iimeko apho ukushisa okugqithisileyo kufuneka kusetyenziswe ukukunceda ukwenziwa kwamandla okufuneka. Ezinye izinto ezibalulekileyo kufuneka zicatshangelwe ziimeko ezifanelekileyo zokunyanga ezikhuselekileyo kwaye zinikezela ngenkonzo efanelekileyo.
Iingcebiso ezicetyiswayo zekhenkethi zomshushu
Landela lamanyathelo okucetyiswa ukuqinisekisa ukuba ikhonkritha ebusika izakufumana amandla okuyila okufunekayo kwaye unayo nayiphi na imiba ngelixa ukhonkrithi uhleli.
- Ngaphambi kokuthulula, cacisa izicwangciso eziza kusetyenziswa kubandakanya izinto, iifom, uvavanyo kunye nezinye iimfuno.
- Ishedyuli kwaye imisele ukulungiswa kwemozulu yokubanda kwe-konkrit mix.
- Gcina ifati ye rekhodi yeqondo lokushisa efanelekileyo, kuquka ukushisa kweekriti kunye nokushisa kwangaphandle.
- Ungaze uthele ikhonkrithi phezu komhlaba onqabileyo, iqhwa, okanye iqhwa. Sebenzisa ama-heaters ukuze anqumle umhlaba ngaphambi kokuthulula ikhonkrithi.
- Qinisekisa ukuba iimfuno ezizodwa kunye neemfuneko zamandla kufuneka zihlangane; ukuba kunjalo, khusela ikhonkrete kumaqondo athile.
- Ukuba izithambiso ezivuthayo ziya kusetshenziselwa xa zibeka ukhonkcenkceshe kwiqanda elibanda, qiniseka ukuba uyazi ukuba kufuneka zikhuselekile kwaye zenze iimozulu.
- Ukuba isetyenziselwa ukushisa umlilo, vela ngaphandle ukukhusela i-carbonation.
- Ikhonkrithi yemozulu yesimo sezulu kufuneka ibe nexabiso elichanekileyo lomoya elibanjelwe i-voids eliya kulwa nemiphumo yokuqhaqhafaza kunye nefuthe.
- Ukukhonkxa kwimozulu ebanda kakhulu kunconywa ukuba kube ne-low slump, kunye nomlinganiselo omncinci wamanzi ngomlinganiselo, ukunciphisa ukuphuma kwegazi nokunciphisa ixesha lokumisela.
- Sebenzisa ikhonkrithi yokuphilisa iingubo zokukhusela i-freezing kwaye ugcine ikhonkrithi kwindawo efanelekileyo yokuphilisa.
- Sebenzisa iingubo zokubeka umbane okanye izibindi zokufudumala ukugcina amaqondo okushisa okukhonkco ngaphaya kwama-50 degrees Fahrenheit iintsuku ezintathu ukuya kwezixhenxe.
- Musa ukuqala ukugqiba imisebenzi ekugqibeleni xa uphala amanzi.
- Cela umxube obushushu okanye u-100 lbs. isamente eyongezelelweyo nganye yeyubhidi yard yekhonkrithi. Le samente eyongezelelweyo inceda ukuphucula amandla amandulo.
- Ikhonkrithi entsha efriziwe ngexesha leeyure ezingama-24 zokuqala ilahlekelwa ngu-50% yamandla ayo angama-28!
- Gcina ukushisa kwekhonkrithi ngaphezu kwama-degrees ama-40 ° Fahrenheit ubuncinane ubuncinane iintsuku ezine emva kokusetyenziswa kweengubo zokufaka umgca okanye iindawo zokutshisa.
- Lumnka!! Ubushushu bekhonkrithi abukwazi ukuhlahla ngaphezu kwama-40 ° Fahrenheit kwieyure ezingama-24.
- Xa kungekho nanye inketho, ukongeza isikhwama samali kwisixube kuya kunceda.
- Musa ukutywinwa ikhonkrit ngokutsha uze ube negazi kwaye inkqubo yokubeka iqalile.
- Kunconywa ukubeka ikhonkrithi ngokukhawuleza, ukuba isityalo sesitshixo sikude kude ne-concrete yokuya kwindawo yokugqibela, kufuneka kuthathe amanyathelo athile ukwenzela ukunciphisa iingxaki zokubeka.
- Amanzi atshisayo ashushu ayenako ukukwazi ukujamelana nokushisa okushisayo emva kweebhetaki zokuqala.
Indlela yokugcina ukushisa kwamakhonkri ngexesha lokubanda kwemozulu
Iimpepho zokubeka nokukhusela ikhonkco kwixesha elibandayo lisekwe kwaye ligunyazwe phantsi kwe-ACI 306. Injongo ye-ACI 306 kukugcina ikhonkrithi efudumeleyo, ngaphezu kwama-5 degrees Celsius, kwiiyure ezingama-48 zokuqala, apho uphuhliso lwamandla okhonkco lubalulekile.
Xa ikhonkrithi isetyenziswe ngaphasi kwee-degrees ezingama-5 kodwa ingezantsi kwinqanaba lokungcola, ikhonkrit iyakuthatha ixesha elide ukuphuhlisa amandla afunekayo. Qaphela ukuba ukususa ifomathi xa ikhonkrithi ibanda kakhulu okanye ingazange ifinyelele amandla angamanqwenela, ingonakalisa amandla kunye nekhonkrithi kunye nekhonkritha.
Ukusebenzisa iingubo zeqabunga kunye nefom yefom yefayili ingaba yimfuneko ukukhusela ikhonkrithi. Iifom ezifakwe kwi-insulated okanye izikhuselo zesikhashana zingabonelela ngokwaneleyo kwiiplanga, iikholam kunye neendonga.