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Usuku lwePost: 5, Aug, 2024

(一) amalunga wokuhlala

IPhenomenoni:Imifudlana eminingana emfushane, eqondile, ebanzi futhi engajulile izovela kukhonkolo othululiwe ngaphambi nangemva kokuhlelwa kokuqala.

Isizathu:Ngemuva kokungeza i-ejenti encishise amanzi, ukhonkolo u-viscous ngokwedlulele, awuphumi futhi akulula ukucwila, futhi kubonakala kakhulu ngenhla kwemigoqo yensimbi.

Isixazululo: Faka ingcindezi emihlangothini ngaphambi nangemva kokuhlelwa kokhonkolo kuze kube yilapho imifantu inyamalale.

 

1 (1)

(二) amathini anamathelayo

IPhenomenoni:Ingxenye yodaka kasimende inamathela odongeni lwe-mixer barrel, okwenza ukhonkolo uphume emshinini ukuze ungalingani futhi umlotha omncane.

Isizathu:Ukhonkolo unamathela, okuvela kakhulu ngemuva kokungezwa ukubuyisa ukuphikisana nokunciphisa amanzi, noma kuma-Drum Mixers ngesilinganiso esiseduze se-Shaft

Isixazululo:1. Nakisisa ukususa ukhonkolo osele ngesikhathi. 2. Okokuqala engeza i-aggregate futhi ingxenye yamanzi bese uxuba, bese ufaka usimende, amanzi asele namanzi anciphisa umenzi futhi axube. 3. Sebenzisa i-mixer ngesilinganiso esikhulu se-shaft noma umxube ophoqelelwe

(三) Ukugxuma kwamanga

IPhenomenoni:Ukhonkolo washeshe ulahlekelwa u-fluidity ngemuva kokushiya umshini futhi awunakuthelwa.

Isizathu:1. I-calcium sulffate enganele kanye nokuqukethwe kwe-gypsum ku-calcium kuhlanza ukunxuswa kwe-hydrate ngokushesha okukhulu; 2. Amanzi anciphisa i-ejenti anokuzivumelanisa nezimo ezingezinhle kulolu hlobo lukasimende; 3. Lapho okuqukethwe kwe-Triethanolamine kudlula i-0.05-0.1%, ukuhlelwa kokuqala kuzodingeka ngokushesha. Kepha hhayi owokugcina.

Isixazululo:1. Shintsha uhlobo lwesimende noma inombolo ye-batch. 2. Shintsha uhlobo lokunciphisa amanzi lapho kunesidingo, kepha ngokuvamile akudingekile. 3. Yehlisa izinga lokunciphisa amanzi ngesigamu. 4. Yehlisa izinga lokuxuba. I-5. Sebenzisa i-NA1SO4 ukubuyisa okuqukethwe kokusetha ku-0.5-2%.

1 (2)

(四) akukho coaahation

Intongonesi: 1. Ngemuva kokungeza i-ejenti encishise amanzi, ukhonkolo awusoze waqina isikhathi eside, yebo usuku lonke nobusuku; 2

Isizathu:1. Umthamo we-ejenti enciphisa amanzi mkhulu kakhulu, okungenzeka ukuthi weqe izikhathi ezingama-3-4 umthamo onconyiwe; 2. Ukusetshenziswa ngokweqile kwe-retarder.

Isixazululo:1. Ungangeqi umthamo onconyiwe izikhathi ezi-2-3. Yize amandla ancishiswa kancane, amandla angama-28D azoncishiswa okuncane futhi amandla wesikhathi eside azoncishiswa ngaphansi. 2. Ngemuva kokuhlelwa kokugcina, kwandisa izinga lokushisa ngokufanele ngokufanele futhi liqinise ukuthambisa nokwelapha. 3. Susa ingxenye eyenziwe bese uyithulule futhi.

(五) ubukhulu obuphansi

IPhenomenoni:1. Amandla aphansi kakhulu kunemiphumela yokuhlolwa yesikhathi esifanayo; 2. Yize ukhonkolo uqinisile, amandla alo aphansi kakhulu.

Isizathu:1. Inani le-ejenti yokunciphisa amanzi elisanda kakhulu likhulu kakhulu, okwenza okuqukethwe komoya kukhonkolo kukhulu kakhulu. 2. Ukudlidliza okunganele ngemuva kokungeza i-ejenti yokunciphisa amanzi. 3. Amanzi awancishisiwe noma isilinganiso sosimende samanzi siyanda. 4. Inani le-triethanolamine elingeziwe likhulu kakhulu. I-5. Ikhwalithi ye-ejenti enciphisa amanzi ayihlangabezani nezidingo, njengokuqukethwe kwezithako ezisebenzayo ziphansi kakhulu.

Isixazululo:1. Sebenzisa ezinye izindlela zokuqinisa noma ukuthulula kabusha. 2. Qinisa ukudlidliza ngemuva kokuthulula. 3. Thatha isenzo ngenxa yezizathu ezishiwo ngenhla. 4. Khomba leli qembu le-admixtures yamanzi. 

(六) Ukulahleka kwe-slump kumnandi kakhulut

IPhenomenoni:Ukhonkolo ulahlekelwa ukusebenza ngokushesha okukhulu. Njalo ngemizuzu emi-2-3 ngemuva kokushiya ithangi, i-slump inciphisa ngo-1-2cm, futhi kukhona into ebonakalayo ebonakalayo ecwebezelayo. Le nto kungenzeka ukuthi yenzeke ngokhonkolo nge-slump enkulu.

Izizathu:1. Umenzeli oncishisiwe amanzi unokuzivumelanisa nezimo ezingezinhle ku-clement esetshenzisiwe. 2 I-3. Ukushisa kokhonkolo okuxubana kokhonkolo noma lokushisa okukhona kuphakeme; 4. I-slump ekhonkolo inkulu.

Isixazululo:1. Thatha isenzo ngokumelene nembangela. 2. Yamukele indlela yokuxuba ngemuva. Umenzeli oncishisiwe wamanzi kufanele wengezwe ngemuva kokuxuba ukhonkolo imizuzu eyi-1-3, noma ngisho nangaphambi kokuthululwa, futhi uvuse futhi. 3. Qikelela ukuthi ungangezi amanzi.


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