1. Umxholo wesihloko kunye nobubanzi bokusetyenziswa kwaso
Le ndlela ichaza izixhobo kunye namanyathelo okusebenza ukuze kuchongwe ukunyibilika kodaka lwesamente.
Le ndlela iyasebenza ekumiseleni ukunyibilika kodaka lwesamente yentaba-mlilo iPortland cement, isamente yePortland edityanisiweyo, isamente eqhelekileyo yePortland exutywe nodaka lwentaba-mlilo, isamente yePortland eslag kunye nezinye iintlobo zesamente ezisetyenziselwa le ndlela.
2. Imigangatho yesalathiso
Indlela yokuvavanya amandla edaka lesamente ye-GB177
I-GB178 isanti eqhelekileyo yovavanyo lokuqina kwesamente
Isampuli eqhelekileyo ye-JBW 01-1-1 yokutyibilika kodaka lwesamente
3. Indlela yokufumanisa izinga lokunciphisa amanzi kwi-mortar yile ilandelayo:
3.1 Izixhobo nezixhobo
A. Umxube wesamente;
B. Itafile yokutsiba (kufuneka kongezwe ipleyiti yeglasi enobukhulu obuyi-5mm);
C. Ibha ye-Cylindrical ramming: yenziwe ngezinto zesinyithi, ububanzi obuyi-20mm, ubude obuyi-185mm;
D. Ikhowuni enqunqiweyo isikhunta esijikelezayo kunye nesigqubuthelo somngundo: ubungakanani bomngundo obungqukuva bekhowuni enqunqiweyo, ukuphakama yi-60±0.5mm, ububanzi obuphezulu yi-φ 70±0.5mm, ububanzi obuphantsi yi-100±0.5mm, isigqubuthelo somngundo kufuneka sihambelane nesigqubuthelo somngundo esingqukuva sekhowuni enqunqiweyo, isigqubuthelo somngundo esinqunqiweyo kunye nesigqubuthelo somngundo esenziwe ngezinto zesinyithi;
E. Irula (ububanzi bokulinganisa obuyi-300mm) okanye ii-caliper ezinobubanzi bokulinganisa obuyi-300mm;
F. i-spatula.
G. Ibhalansi yeziyobisi (enobunzima obuyi-1000g, ukuva i-1g).
3.2. Inkqubo yovavanyo
3.2.1 Linganisa ukusetyenziswa kwamanzi kwi-mortar esetyenzisiweyo
A. Bula i-300g yesamente kunye ne-750g yesanti eqhelekileyo uze uyigalele kwimbiza yokuxuba, qala umxube, yongeza amanzi kancinci emva kokuxuba kangangemizuzwana emi-5, uze uyidibanise kwimizuzu engama-30. Yeka ukuxuba imizuzu emi-3 emva kokuqalisa umatshini. Khupha i-mortar kwiiblades uze ususe ipani yokuxuba.
B. Ekuxubeni udaka ngaxeshanye, ngelaphu elimanzi, sula itafile yetafile, intonga ye-ramming, usike i-cone ejikeleze isikhunta kwaye ugqume udonga lwangaphakathi, uze uzibeke embindini wepleyiti yeglasi, zigqunywe ngelaphu elimanzi.
C. Udaka oluxutyiweyo lwahlulwa ngokukhawuleza lube ziingqimba ezimbini kwi-mold, umaleko wokuqala ufakwa kwi-cone mold malunga nesibini kwisithathu ukuphakama, kunye ne-ramming bar ukusuka emaphethelweni ukuya embindini ifakwe ngokulinganayo i-ramming izihlandlo ezilishumi elinesihlanu, emva koko ilayishwe umaleko wesibini we-mortar, ifakwe malunga neesentimitha ezimbini ukuphakama kune-mold ejikelezayo, intonga efanayo ye-cylindrical i-ramming izihlandlo ezilishumi elinesihlanu. Xa ulayisha isanti kunye ne-ramming, cinezela i-truncate cone die ngesandla ukuze uphephe intshukumo.
D. Emva kokuyithambisa, susa isigqubuthelo sesikhunta, sebenzisa i-spatula ukukrazula i-mortar ephezulu kune-curcated cone circular mold uze uyisule ngokuthe tyaba, uze uyiphakamise kancinci i-circular mold uye phezulu. Xuba izandla nge-crank yevili ukuze wenze i-jumping table itsibe kangamashumi amathathu ngesantya sesinye ngomzuzwana.
E. Emva kokubethelela, sebenzisa ii-calipers ukulinganisa ububanzi bokusasazwa komota osezantsi, kwaye uthathe ixabiso eliphakathi leedayamitha ezimbini zithe nkqo omnye komnye njengokusasazwa komota xa kusetyenziswa amanzi, okubonakaliswa kwi-mm. Xa ukusasazeka kwesalathiso somota kuyi-140±5mm, ukusetyenziswa kwamanzi kukusetyenziswa kwamanzi kokusasazeka kwesalathiso somota oqhelekileyo.
3.2.2 Ngokwendlela ye-3.2.1, ukusetyenziswa kwamanzi kwesamente ene-arhente yokunciphisa amanzi kufikelele kwi-140±5mm.
3.3. Izinga lokunciphisa amanzi kwi-mortar ecociweyo libalwa ngolu hlobo lulandelayo:
Izinga lokunciphisa amanzi kwisamente (%) = (W0-W1)/ W0 ×100
Apho, w0 — ukusetyenziswa kwamanzi (g) xa ukusasazeka kwesamente esibhekisayo kuyi-140±5mm;
W1 — Ukusetyenziswa kwamanzi (g) xa ukusasazeka kwesamente ngesixhobo sokunciphisa amanzi kuyi-140±5mm.
Ixabiso lesantya sokunciphisa amanzi lixabiso eliphakathi lezibalo zeesampuli ezintathu.
Ixesha leposi: Epreli-25-2024