Iifayibha zePolypropylene zaseTshayina ezithengiswa ngobuninzi - Iifayibha zePolypropylene ezincinci Iifayibha zeConcrete eziQinisekisiweyo zePPF Micro Fibers – Kehui

I-polypropylene fiber (PPF) luhlobo lwezinto ze-polymer ezinobunzima obulula, amandla aphezulu, kunye nokumelana nokugqwala. Ukumelana nokuqhekeka kwekhonkrithi kunokuphuculwa ngokongeza ii-polypropylene fibers. I-PPF inokuphucula ukusasazwa kobungakanani be-pore yekhonkrithi. Ngenxa yoko, ukuqina kwekhonkrithi kuphuculwe kakhulu kuba i-PPF inokuthintela ukungena kwamanzi okanye ii-ion eziyingozi kwikhonkrithi. Umxholo wefayibha owahlukileyo, ububanzi befayibha, kunye nomlinganiselo we-fiber hybrid kuya kuba nemiphumo eyahlukileyo kwi-durability indexes. Ipropati yokuqina kwekhonkrithi inokuphuculwa ngakumbi ngokudibanisa ii-PPF kunye neefayibha zentsimbi. Iingxaki ze-PPF ekusetyenzisweni kwikhonkrithi kukusabalalisa okungaphelelanga kwikhonkrithi kunye nokubopha okubuthathaka kunye ne-matrix yesamente. Iindlela zokoyisa ezi ngxaki kukusebenzisa i-fibre modified nge-nanoactive powder okanye unyango lwekhemikhali.

Ifayibha echasene nokuqhekeka yifayibha yendalo ene-monofilament enamandla aphezulu ehlanganiswe ne-polypropylene yefayibha njengezinto eziluhlaza kwaye icutshungulwa ngenkqubo ekhethekileyo. Inokumelana okunamandla kwe-asidi, ukumelana okunamandla kwe-alkali, ukuqhuba kobushushu obuphantsi, kunye neempawu zeekhemikhali ezizinzileyo kakhulu. Ukongeza i-mortar okanye i-concrete kunokulawula ngokufanelekileyo ukuqhekeka okubangelwa kukutshintsha kobushushu kwinqanaba lokuqala lokushwabana kweplastiki ye-mortar kunye ne-concrete, kuthintele kwaye kuthintele ukwakheka kunye nophuhliso lwee-cracks, kwaye kuphucule kakhulu ukumelana kwee-cracks ze-concrete, ukungangeni kwamanzi, ukumelana neempembelelo kunye nokumelana ne-inyikima kunokusetyenziswa kakhulu kubunjineli obungaphantsi komhlaba. Ukuthintela ukungenwa kwamanzi, uphahla, iindonga, umgangatho, amachibi, amagumbi angaphantsi komhlaba, iindlela kunye neebhulorho kwiiprojekthi zokwakha zoshishino nezoluntu. Sisixhobo esitsha esifanelekileyo sobunjineli be-mortar kunye ne-concrete kunye nokumelana nokuqhekeka, ukumelana nokuvuza kunye nokurhawuzelelwa.

Iiparameters ezibonakalayo:
Uhlobo lweFayibha: I-Bundle Monofilament / Ubuninzi: 0.91g/cm3
Ububanzi obulinganayo: 18 ～48 μm / ubude: 3, 6, 9, 12, 15, 54mm, inganqunyulwa ngokungacwangciswanga ngokweemfuno zomsebenzisi.
Amandla okutsalwa: ≥500MPa / imodulus yokuthamba: ≥3850MPa
Ukwandiswa ngexesha lokuphumla: 10～28% / Ukumelana ne-asidi kunye ne-alkali: kuphezulu kakhulu
Iqondo lokunyibilika: 160～180℃ / Iqondo lokutsha: 580℃

Imisebenzi ephambili:
Njengesixhobo sokuqinisa sesibini sekhonkrithi, ifayibha yepolypropylene inokuphucula kakhulu ukuxhathisa kwayo iintanda, ukungangeni kwamanzi, ukuxhathisa impembelelo, ukuxhathisa inyikima, ukuxhathisa iqabaka, ukuxhathisa ukukhukuliseka, ukuxhathisa ukuqhuma, ukuxhathisa ukwaluphala nokusebenza, ukufuthwa kwamanzi, kunye nokugcinwa kwamanzi.
● Ukuthintela ukwenzeka kwemifantu yesamente
● Ukuphucula ukungangeni kwekhonkrithi
● Phucula ukumelana nokunyibilika kwekhonkrithi
● Ukuphucula ukumelana nempembelelo, ukumelana nokugoba, ukumelana nokudinwa kunye nokusebenza kwe-secrete
● Ukuphucula ukuqina kunye nokumelana nokuguga kwekhonkrithi
● Ukuphucula ukumelana nomlilo kwekhonkrithi

Iindawo zokusetyenziswa:
Isakhiwo esiqinileyo esingangeni manzi sekhonkrithi:
Umgangatho ongaphantsi komhlaba, udonga olusecaleni, uphahla, i-slab efakwe uphahla, i-reservoir, njl. Ubunjineli, iiprojekthi zokonga amanzi, iindlela ezingaphantsi komhlaba, iindlela zeenqwelo moya zeenqwelo moya, izitishi zezibuko, iidekhi ze-viaduct ezidlula ngaphezulu, ii-piers, izakhiwo ezinde kakhulu ezineemfuno eziphezulu zokuxhathisa iintanda, ukuxhathisa impembelelo, kunye nokuxhathisa ukuguguleka.

I-samente yesamente:
Ukupenda udonga ngaphakathi (kwangaphandle), ukuplasta ikhonkrithi enomoya, i-putty yokuhombisa ngaphakathi kunye ne-thermal insulation mortar.
Ubunjineli obuchasene nokuqhuma kunye nokumelana nomlilo:
Iiprojekthi zomkhosi wokhuselo lomoya, amaqonga eoyile, iitshimini, izinto ezichasene nomlilo, njl.

IShotcrete:
Umjelo, umgca we-culvert, isakhiwo esinodonga oluncinci, uqinisekiso lwethambeka, njl.
Imiyalelo yokusebenzisa
Idosi ecetyiswayo:
Ubungakanani obucetyiswayo bodaka ngesikwere ngasinye sodaka oluqhelekileyo lokuplasta yi-0.9 ～1.2kg
Isixa esicetyiswayo se-thermal insulation mortar ngetoni nganye: 1 ～3kg
Isixa esicetyiswayo sekhonkrithi nge-cubic meter nganye yekhonkrithi yi: 0.6~1.8kg (ngokwereferensi)

Itekhnoloji yokwakha kunye namanyathelo
①Ngokwevolumu yesamente exutywe ngalo lonke ixesha, ubunzima befayibha eyongeziweyo ngalo lonke ixesha bulinganiswa ngokuchanekileyo ngokweemfuno zomlinganiselo womxube (okanye ubungakanani bomxube obucetyiswayo).
② Emva kokulungisa isanti kunye negrabile, yongeza ifayibha. Kucetyiswa ukuba usebenzise umxube ophoqelelweyo. Yongeza i-aggregate kunye nefayibha kwi-mixer, kodwa qaphela ukuqinisekisa ukuba ifayibha yongezwa phakathi kwe-aggregate kwaye uyixube yome malunga nemizuzwana engama-30. Emva kokongeza amanzi, yixube imanzi malunga nemizuzwana engama-30 ukuze isasazeke ngokupheleleyo ifayibha.
③ Thatha iisampulu ngoko nangoko emva kokuxuba. Ukuba imicu isasazwe ngokulinganayo kwi-monofilaments, ikhonkrithi ingasetyenziswa. Ukuba kusekho imicu ehlanganisiweyo, yandisa ixesha lokuxuba ngemizuzwana engama-20-30 ngaphambi kokusebenzisa.
④ Inkqubo yokwakha nokugcina ikhonkrithi eyongeziweyo ngefayibha ifana nqwa nekhonkrithi eqhelekileyo. Ilungele ukusetyenziswa.