I-fiber fiber fiber eqiniswe kwikhonkrithi (i-SFRC) yohlobo olutsha lwezixhobo ezinokuthululwa kwaye zitshizwe ngokongeza isixa esifanelekileyo sekhonkrithi esifutshane sensimbi. Iphuhlise ngokukhawuleza ekhaya nakwelinye ilizwe kwiminyaka yakutshanje. Yoyisa iintsilelo zamandla asezantsi e-thenngqi, i-Elongingetion encinci yePrivetle yekhonkrithi. Inepropathi ebalaseleyo efana namandla e-pharile, ukugqobhoza, ukumelana nokunganyangeki, ukuchasana nokungakhathali kunye nobunzima obuphakamileyo. Isetyenziswe kubunjineli be-hydraulic, indlela kunye nebhulorho, ukwakha kunye nezinye izinto zobunjineli.

 

一.Uphuhliso lwe-fiber fiber yentsimbi

 

I-fiber yaqinisa ikhonkrithi (i-FRC) sisifinyezo sekhonkrithi sefibre. It is usually a cement-based composite composed of cement paste, mortar or concrete and metal fiber, inorganic fiber or organic fiber reinforced materials. Sizinto ezintsha zokwakha ezenziwe ngokusasaza ngokungagungqiyo kunye neentsinga ezihle kunye namandla aphezulu aphezulu, i-alongwation ephezulu kunye nokuxhathisa okuphezulu kwi-matrix matrix. Ifayibha ekhonkrithi inokusibeka umda kwisizukulwana sangaphambi kwekhonkrithi kunye nokwanda kwamandla angaphandle, ukoyisa ngokulula isiphene esiphantsi, kwaye siphucule inkitha yekhonkrithi, kwaye iphucule kakhulu intsebenzo Ukungafezeki, ukungavisisani kwamanzi, ukumelana kwamanzi, kunye nokukhuselwa kwekhonkrithi. I-fiber iqiniswe ikhonkrithi, ngakumbi i-fiber fiber yensimbi yentsimbi, itsalele ngakumbi kwaye itsaleleke ngakumbi kwizifundo zobunjineli kunye nobunjineli kwi-ubunjineli esebenzayo ngenxa yomsebenzi wayo omkhulu. I-1907 i-Soviet Ingcali b п. I-Hekpocab yaqala ukusebenzisa i-fiber yensimbi yensimbi; Ngo-1910, i-HF Porters yapapasha ingxelo yophando kwi-fiber yefibred fiber eqingqiweyo, ephakamisa ukuba iintsinga zentsimbi ezimfutshane kufuneka zisasazeke ngokulinganayo kwikhonkrithi yokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izixhobo zokuqinisa izinto zeMatrix; Ngo-1911, u-Graham wase-United States wongeza i-fiber yentsimbi kwikhonkrithi eqhelekileyo yokuphucula amandla kunye nokuzinza kwekhonkrithi; Ngeminyaka yee-1940, iUnited States, iBritane, iFrance, iFrance, iJamani, iJapan kunye namanye amazwe benze umsebenzi we-biber wokuphucula ikhonkrithi, kwaye ukuphucula i ubume befibeber yentsimbi ukuphucula amandla aphezulu phakathi kwefayibha kunye ne-matrix yekhonkrithi; Ngo-1963, i-JP Rouald kunye ne-GB Batson yapapasha iphepha kwikhondo lekhonkrithi le-fiber elivinjwe ikhonkrithi ye-fiber igqitywe ngumndilili we-biber ohamba ngendima esebenzayo Ngoxinzelelo lwe-tenser (i-fiber i-Ithisi), ngaloo ndlela ukuqala kwinqanaba lophuhliso lezinto ezibonakalayo kwezi zinto zibalulekileyo. Ukuza kuthi ga ngoku, nge-faction kunye nokusetyenziswa kwekhonkrithi yentsimbi yentsimbi, ngenxa yokuhanjiswa kweentsinga kwikhonkrithi, i-fiber fiber eqinileyo yekhonkrithi, i-fiber fiber firdid fiber iqinisekisiwe kwikhonkrithi.

 

二.Indlela yomeleza i-fiber fiber eqiniswe kwikhonkrithi

 

Ithiyori yoomatshini. Ithiyori yeendlela zokuhlanganisa indlela yendlela esekwe kwithiyori ye-fibres eqhubekayo kwaye idityaniswe neempawu zokuhambisa iintsinga zentsimbi kwikhonkrithi. Kule theyisi, izidumbu zithathwa njengamanqanaba amanqanaba amabini ane-fiber njengenqanaba elinye kunye nematrix njengelinye inqanaba.

 

I-fiber yethiyori yethiyori. I-fiber itheging ithiyori, ekwabizwa ngokuba yithiyori yokunganyangeki, icetywayo esekwe kwi-fector ye-fecture ye-fecture. Le ngxolo ibambe ukuba isiphumo sokuqiniswa kwe-fibers sihambelana kuphela ne-fiber ye-fiber esasaziweyo (ubuncinci besithuba).

 

三.Uhlalutyo kwiMeko yoPhuculo lwe-Steel Fiber kwikhonkrithi

 

1.I-fiber fiber yensimbi yensimbi.Ikhonkrithi ye-fiber fiber eqinileyo yekhonkrithi uluhlobo lwe-iyunifonti elinganayo kunye necandelo lamacandelo amaninzi olwenziwe ngokudibanisa isixa esincinci sensimbi ye-carbon, intsimbi engenasitayile kunye ne-frp kunye ne-frp yentsimbi yekhonkrithi. Isixa-mali sokuxuba se-fiber yentsimbi siyi-1% ~ 2% ngevolumu, ngelixa i-70kg fiber ixutywe kwikhonkrithi nganye yekhonkrithi. Ubude befibeber yentsimbi kufuneka ibe yi-25 ~ 45mm, ububanzi bube yi-0.25 ~ 1.25mm, kunye nomlinganiso owona mlinganiso we-50mment kufuneka ube ngama-50 ~ 700 kuphela. , banxibe ukunganyangeki, kodwa ukwaphucula ubunzima obuqhelekileyo kunye nokungaxhathisi kwekhonkrithi, kunye nokuphucula kakhulu ukunyangwa kokukhathazeka, ngakumbi ubunzima bunokukhululwa ngamaxesha ayi-10 ~ 20. Iipropathi zoomatshini be-fiber fiber fiber eqiniswe kwikhonkrithi kunye neziqhelekileyo zekhonkrithi zithelekiswa eTshayina. Xa umxholo we-fiber yentsimbi yi-15% ~ 20% kunye nenqanaba lesamente lamanzi yi-0.45, amandla angama-70%, amandla epelisi, amandla empembelelo enyuka nge-10 ~ 20 Amaxesha, amandla okukhathala enefuthe enyuka ngamaxesha ayi-15 ~ 20, ukuqina kokugqibeleleyo konyukayo ngamaxesha ali-14 ~ 20, kwaye ukuxhathisa idino kukuphuculwa kakhulu. Ke ngoko, i-fibel fiber yensimbi yokuqiniswa kwikhonkrithi inezinto ezingcono zomzimba kunye noomatshini kunekhonkrithi ecacileyo.

Ikhonkrithi ye-2.TBrid Fiber ikhonkrithi. Idatha yophando efanelekileyo ibonisa ukuba i-fiber yensimbi ayikhuthaze kakhulu amandla ekhonkrithi, okanye ikwazi ukuyinciphisa; Xa kuthelekiswa nekhonkrithi ecacileyo, kukho into eyodwa kwaye imbi (yonyusa kwaye inciphise) okanye i-Privation, ichaphazele ukuxhathisa ikhonkrithi ye-fiber yentsimbi kunye nokuthintela i-shoript yepeyinti yentsimbi. Ukongeza, i-fibel fiber yensimbi yokuqiniswa ikhonkrithi ineengxaki ezithile, ezinje ngemithamo enkulu, ixabiso eliphezulu, i-rust kwaye kungekho sicelo sibangelwa ngumlilo. Kwiminyaka yakutshanje, abanye abaphengululi basekhaya nabangaphandle baqala ukunikela ingqalelo kwikhonkrithi ye-Hybrid Fiber (HFRC), ukuzama ukudibanisa iintsinga ezinepropathi ezahlukeneyo kunye nezibonelelo, kwaye zinike "imigangatho eyahlukeneyo ye-hybrid" kumanqanaba ahlukeneyo kwaye Ukulayisha amanqanaba okuphucula iipropathi ezahlukeneyo zekhonkrithi, ukuze kuhlangatyezwane neemfuno zeeprojekthi ezahlukeneyo. Nangona kunjalo, ngokubhekisele kwiipropathi ezahlukeneyo ezahlukeneyo, ngakumbi impatho yayo yokudimaza kunye nokudinwa koMthetho woPhuculo, ukuSebenzisa iMithwalo ye-Amplic kunye ne-Amplity ye-Ampling kunye ne-Ampling Ampling okanye ubungakanani befibrey phakathi kwezinto ezizezinye, ukomeleza isiphumo kunye nendlela eyomeleza, i-anti yokudinwa kwentsebenzo, indlela yokusilela kunye netekhnoloji yokwakha, iingxaki ze Mixunye uyilo loyilo kufuneka uphindwe ngakumbi.

3.Kele intsimbi ye-fiber yensimbi ye-Steel.I-Monolithic Fiber Fiber eqinisekiswe kwikhonkrithi ayikho lula ukuxuba ngokulinganayo, ifayibha ilula ukuyilungiselela, isixa sefayibha sinkulu, kwaye iindleko zichaphazela isicelo sayo. Ngenani elikhulu lophando kunye nophando lwe-theoreti, uhlobo olutsha lwe-fiber fiber, intsimbi ye-fiber fiber firrinted (LSFRC), iyacetywayo. Isixa esincinci se-fiber yentsimbi sisasazwe ngokulinganayo kwindawo ephezulu nangaphantsi ye-Slab yendlela, kwaye embindini useyinto yekhonkrithi ecacileyo. I-fiber yentsimbi kwi-LSFRC isasazwa ngokuba ngumsebenzi okanye ngoomatshini. I-fiber yentsimbi ide, kwaye umyinge we-diameter ngokubanzi uphakathi kwe-70 ~ 120, ebonisa ukusasazwa ezimbini. Ngaphandle kokuchaphazela iipropathi zoomatshini, ezi zixhobo aziyinciphisi kakhulu isixa sefibuthe ngentsimbi, kodwa siphepha-fanomenon ye-fiber Ageglomeration ekuxubeni ikhonkrithi yefibre. Ukongeza, isikhundla se-fiber fiber yentsimbi kwikhonkrithi inefuthe elikhulu kumandla ekhonkrithi. Isiphumo sokuqina kwentsimbi yentsimbi yentsimbi ezantsi kwekhonkrithi yeyona nto ilungileyo. Ngesikhundla se-fiber fiber yentsimbi eshukumayo, ifuthe lokuqiniswayo liyancipha kakhulu. Amandla e-LSFRC engaphezulu kwe-35% ephezulu kunelo yekhonkrithi ecacileyo ngomxube ofanayo, ophantsi kakhulu kuneso sekhonkrithi yensimbi yentsimbi yentsimbi. Nangona kunjalo, i-LSFRC inokugcina iindleko ezininzi zezinto ezibonakalayo, kwaye akukho ngxaki yokuxuba okunzima. Ke ngoko, i-LSFRC yinto entsha enezibonelelo ezilungileyo zentlalo nezoqoqosho kunye namathemba okuqiniseka ngezicelo, ezikufanele ukuthandwa kunye nokusebenza kulwakhiwo lwendlela.

 

4.I-Conlid Hybrid fiber ikhonkrithi.Isixhobo seForbid Subrid Fibreed Senrete (LHFRC) sisixhobo esihlanganisiweyo senziwe ngo-0.1% fiber fiber ye-LSFRC kunye ne-Polyproplene ye-LSFRCYCHRC kunye ne-Slyproplene ye-Pightproplene kunye ne-Eight Geel Ikhonkrithi yeFipane kunye nekhonkrithi ethambileyo kwi-subser ephakathi. Inokoyisa ubuthathaka be-LSFRC ye-LSFRC yekhonkrithi yekhonkrithi kwaye ikhusele iingozi zokhuseleko ezinokubakho emva kwentsimbi yentsimbi inxibile. I-LHFRC inokuphucula kakhulu amandla ekhonkrithi. Xa kuthelekiswa nekhonkrithi ecacileyo, amandla ayo aguqukayo ekhonkrithi anyuka malunga ne-20%, kwaye athelekiswa ne-LSFRC, amandla ayo aguqukayo anyuswe nge-2.6%, kodwa ayinampembelelo encinci kwikhonkrithi ye-Elastic yekhonkrithi. Imodeli ye-ractuc ye-hlcrc ye-LHFRC yi-1.3% ephezulu kunelo yekhonkrithi ecacileyo kunye ne-0.3% iphantsi kune-LSFRC. I-LHFRC inokuphucula kakhulu ubukhulu bekhonkrithi yekhonkrithi, kwaye isalathiso sayo sokungafihli imalunga namaxesha ama-8 esimalunga ne-8 amaxesha e-LSFRC. Ngapha koko, ngenxa yokusebenza okwahlukileyo kweentsinga ezimbini okanye ezingaphezulu kwi-LHFRC kwikhonkrithi, ngokweemfuno zobunjineli, i-fiber ye-fiber ye-fiber ye-fiber kunye ne-fiber ye-fiber kwikhonkrithi inokusetyenziswa kakhulu kwi-furcity, ukuqina, amandla, amandla, amandla okuqhekeza , amandla atshiweyo aqhekezwe kunye namandla obunqwanqwa kwezinto, aphucule umgangatho wezinto eziphathekayo kwaye axhase ubomi benkonzo.

-I-Abstract (Shanxi Afrifation, Vol. 38, No. 11, I-Chen Huiqing)