Omnye womahluko omkhulu phakathi kodaka olomileyo nodaka lwendabuko kukuba udaka olomileyo luguqulwa ngobuninzi bezongezo zamakhemikhali. Ukongeza uhlobo olunye lokongeza kudaka olomileyo kuthiwa luhlengahlengiso oluphambili, ukongeza izongezo ezimbini okanye ngaphezulu luhlengahlengiso lwesibini. Umgangatho wodaka olomileyo uxhomekeke ekukhetheni ngokuchanekileyo kwezakhi kunye nokulungelelaniswa kunye nokuhambelana kwezakhi ezahlukeneyo. Izongezo zamakhemikhali zibiza kakhulu kwaye zinempembelelo enkulu kwiimpawu zodaka olomileyo. Ke ngoko, ekukhetheni izongezo, ubungakanani bezongezo kufuneka bube kwindawo yokuqala. Oku kulandelayo sisingeniso esifutshane ekukhetheni izongezo zamakhemikhali i-cellulose ether.
I-Cellulose ether ekwaziwa ngokuba yi-rheological modifier uhlobo lomxube olusetyenziselwa ukulungisa iipropati ze-rheological ze-mixed mortar entsha, esetyenziswa phantse kuzo zonke iintlobo ze-mortar. Ezi mpawu zilandelayo kufuneka ziqwalaselwe xa ukhetha uhlobo kunye nobungakanani obongeziweyo:
(1) Ukugcinwa kwamanzi kumaqondo obushushu ahlukeneyo;
(2) ukuqina, ukutyeba;
(3) Ubudlelwane phakathi kokungaguquguquki kunye nobushushu, kunye nempembelelo ekungaguquguquki xa kukho i-electrolyte;
(4) uhlobo kunye nobungakanani bokufakelwa kwe-ether;
(5) ukuphuculwa kwe-thixotropy kunye nokukwazi ukubeka i-mortar (eyimfuneko kwi-mortar egqunywe kumphezulu othe nkqo);
(6) Izinga lokunyibilika, imeko kunye nokugqibelela kokunyibilika.
Ukongeza ekongezeni i-cellulose ether kwi-dry mortar (efana ne-methyl cellulose ether), kunokongeza i-vinyl polyvinyl acid ester, oko kukuthi, utshintsho lwesibini. I-inorganic binder kwi-mortar (isamente, i-gypsum) inokuqinisekisa amandla aphezulu okuxinzelela, kodwa ayinampembelelo ingako kumandla okutsalwa kunye namandla okugoba. I-vinyl polyvinyl ester yakha ifilimu ye-elastic kwi-samente stone hole, i-makeup mortar inokuthwala umthwalo ophezulu wokuguquguquka, iphucule ukumelana nokuguguleka. Kuye kwabonakaliswa ngokuziqhelanisa ukuba ngokongeza amanani ahlukeneyo e-methyl cellulose ether kunye ne-vinyl polyvinyl ester kwi-dry mortar, i-thin layer coating plate bonding mortar, i-plastering mortar, i-decoration plastering mortar, i-aerated concrete block masonry mortar kunye ne-self-leveling mortar yomgangatho wokugalela inokulungiswa. Ukuxuba oku kubini akunakuphucula kuphela umgangatho we-mortar, kodwa kukwaphucula kakhulu ukusebenza kakuhle kokwakha.
Kwindlela yokusebenza, ukuze kuphuculwe ukusebenza okubanzi, kuyimfuneko ukusebenzisa izinto ezininzi ezidityanisiweyo. Eyona nto ifanelekileyo phakathi kwenani elidityanisiweyo, uluhlu olufanelekileyo lwedosi, umlinganiselo, lunokuba nefuthe elithile ekuphuculeni ukusebenza kwe-mortar, kodwa iziphumo zalo zokuguqulwa kwe-mortar xa zisetyenziswa zodwa zilinganiselwe, ngamanye amaxesha zide zibe nefuthe elibi, njenge-single doped fiber, ekwandiseni ukunamathela kwe-mortar, kunciphisa izinga lokuqhekeka kwangaxeshanye. Nangona kunjalo, ukusetyenziswa kwamanzi kwe-mortar kuyanda kakhulu kwaye kugcinwe kwi-slurry, nto leyo ekhokelela ekunciphiseni amandla okuxinzelela. Xa i-air entraining agent yongezwa, inqanaba le-mortar delamination kunye nokusetyenziswa kwamanzi kunokuncipha kakhulu, kodwa amandla okuxinzelela e-mortar aya kuncipha ngenxa yamaqamza amaninzi. Phucula udaka lokwakha ukuze lusebenze kakuhle, ngelixa uphepha ukwenzakalisa ezinye iipropati, amandla okuqina kodaka lokwakha, ubungakanani bokuhluzwa kunye nokuhlangabezana neemfuno zobunjineli kunye nemigaqo yeenkcukacha zobugcisa, kwangaxeshanye, ungasebenzisi i-lime putty, ukonga isamente, ukhuseleko lokusingqongileyo, njl.njl., ngenxa yokunciphisa amanzi, i-viscosity, ukuqina kwamanzi kunye nembono ye-air-entraining plasticizing, Kubalulekile ukuthatha amanyathelo apheleleyo ukuphuhlisa nokusebenzisa i-compound admixtures.
Ixesha lokuthumela: Epreli-29-2022