June 15, 2015
Ew precast ese mochen ewe pochokun mi nap, a mochen epwe strip ewe mokutukut ikenai. Ekkewe ülüngät minen eppet, fansoun amomo, ekkewe leenien äeä me ükükün ewe tit, ra filatä ewe fiber.
Ekkewe nenien katon ra ekieki usun pochokunen soponon; ekkewe ira mi fen for ra ekieki ussun tur. Ew strip iteiten ran versus ew iteiten ruu ran a aukuuku ewe tufich me siwini ifa usun an epwe wor niwinin ekkewe ira me angang. Iwe, ewe aewin popun an ewe steel fiber lon precast a fis, ina popun a kan fis pwe epwe tongeni ataielo ekkewe ttit nge esap tongeni ataielo ekkewe ttit, ina minne, eu mettoch epwe tongeni kkuf, kkuf me kkuf atun ewe konkrit a chuen kukkun nge esap kkuf lon ekkewe konak. Ena mettoch a pwal awewei ewe popun ekkewe ira mi fen for ra kon menemenoch ren ar repwe toropasfeil lap seni ar repwe pochokkul le kkuf: eu ball mi for seni fiber a tongeni angei ewe konak seni eu pisek atun ra kkuf.
Fansoun strip a fiti pochokunen akkom, fan chommong 50% ngeni 70% seni ewe kokkot. Ewe steel fiber ese äeä ewe pöchökkülen äeä, ina ewe simen me äeä, nge a äeä ewe pöchökkülen äeä, ina ewe tufichin likiitü pwe esap äeä are äeä atun a äeä. Non foffor, ew element mei wor 30 ngeni 40 kg/m3 fiber mei tongeni epwe fis fomon ngeni walu awa me mwen fan ewe chok curing, ika epwe tongeni fis non ewe chok ran ren ew ukukun feiengawen konak mei fokkun kukkun. Ren ekkewe walls mi fitikoko ewe sokkofesen a watte seni.
Eú ekiek mi mwáál mi efeiengaw, ina pwe ewe steel fiber a áwena ewe osupwangen liffang. Liffang a aea eu pochokkul mi kon watte, me ewe konkrit mi pwellifeili ewe leeni a nom lon ewe leenien fitikoko me punch shear. Fiber a amúrinnéló péchékkúlen punch nge ese tongeni siwili ekkewe chénúpupu mi ffér seni cast-in are ekkewe chénúpupu mi chéúfetál. Kopwe tumunu ekkewe nenien liffang, me non neniomw kopwe densify fiber ika apacha mesh unukur. Ew kinikinin a wesewesen siwin: ewe nenien fitikoko non fiber konkrit a kon ew chok, ina minne ekkewe point ra tongeni mwot ekis towaw nap seni non konkrit mi chok fitikoko, nge mwirin chok ew cheki, esapw ren mesen aramas.
Fan ukukun 60 mm ttamen ewe tit, ewe fiber mi fitikoko ese chok fich. Ew 50 mm fiber non ew 40 mm wall a suki unusen ewe kinikin, ese forata ew nepoputan 3-pekin, me a pusin tori ewe puun atun a fitikoko. Iei ewe neni ikewe ie ewe wire mi kukkun a fis: 0.12 ngeni 0.3 mm ttaman, 6 ngeni 20 mm ttaman, 2000 ngeni 2850 MPa pochokunen fitikoko. Micro wire a fori eu ttit mi ttam lon eu kinikin mi ttam, a alapalo ewe tufichin u ngeni ewe ttit nge ese efeiengawa ewe ttit mi pwung. Ekkewe pisekin fför, ekkewe föün äsefich me ekkewe panel UHPC mi chölap meinisin ra nom ikei.
Fiber mi loos a tolong lon ewe minen nofit lon ekkewe mwich me a longolong won ewe minen nofit pwe epwe aimufeseniir; met ese mufesen a winiti ew ball. Ewe fiber mi glue a riri ngeni eu row won unusen ttaman ren eu minen riri mi tongeni kkuf ren konik. Ewe row a chék chéúfetál usun chék eú unit, ewe glue a chéúfetál lón 30 ngeni 60 seken, me eú me eú ekkewe fiber ra chéúfetál. Ewe ükükün ünümen aramas a lap seni 40% mürinnö seni ewe ükükün fiber mi chöüfetäl me ewe ükükün balling a fokkun chöüfetäl. A ekis watte liwinin eu ton, nge won ekkewe tit mi ttam, konkrit mi watte me pwungun mesan ena premium a fokkun kisikis seni liwinin eu panel mi pout seni.
Ekkewe matchang mi fokkun tekia ra fokkun watte, nge ewe chochon a chok fitu milimita me a fokkun kukkun porous. Lon ena matrix, ewe föün steel a awora föün äsefich mwirin föün äsefich, nge ewe föün äsefich mi chöüfetäl mwirin plastic a fis me mwan me a lamot ngeni eü föün äsefich mi mürinnö. Ina popun UHPC a kan nofiti steel me fiber mi for seni man: steel mi 1% ngeni 3% ren volume ren an epwe uwei pisek, for seni 1% ngeni 3% fan iten an epwe mwitir ne tumunu ewe shrinkage me an epwe aukuuku ewe spalling mi tongeni fis non watten pwichikar. Ewe fiber mi ffér seni föün irä a wor ükükün 1.41 g/cm3 chök, ese apacha och choun ngeni ewe föün irä, me atun 99% ewe föün äsefich a chök nom lon eu föün äsefich mi pöchökkül.
Manauen ewe molumol won ewe steel fiber mi fen for me mwan a mwochomwoch ukukun tiu ngeni limu percent nap seni won ewe konkrit mi chok kukkun, ren eu popun mi mecheres: ekkewe fiber ra suki ewe molumol atun a fitikoko me a ataielo ewe molumol, me ewe wire mi hook a angang ussun chok kukkun barbs. Iwe, ülüngät mecheresin äeä ewe wear. Akkom, kosapw economi won draft, epwe ukukun 1 me nein 20 ren ekkewe kinikin mi alollol me 1 me nein 15 ren ekkewe walls mi ititiw. Oruuan, filata eu minen amomo mi forata film lap seni eu oil, pun eu film a kan tumunu eu minen eppet mi sopwosopwolo lefilen wall me paste atun oil a kan kkuf ikewe eu fiber a kkuf ie. Oruuan, siwini ngeni ewe fitikoko mi watte me tumunu ewe poker epwe ukukun 50 mm seni ewe mokutukut pwe ekkewe fiber resapw fitikoko ikewe ie. Ekkewe föün fiber mi glueed ra apacha ngeni eü feiöch mi ffat ikei ie: äeä lon ekkewe föün äsefich a eppeti an epwe chöüfetäl lon ewe leenien äeä, a amürinnölo ewe äeämwäällin kinikin ren ükükün 40 percent, me a amoielo ewe osukosuk mi kon watte woon ewe föün äsefich. Ewe angangen steam a lamot ngeni an epwe wor pwungun pwichikar, esap mwittir lap seni 20 digri Celsius iteiten awa won ewe ramp, epwe fis fan 60 digri Celsius, me epwe pwal ina ussun an epwe kkuf. Ekkewe kinikin mi chéúfetál me ekkewe kinikin mi chéúfetál ra féri ekkewe chénúpupu mi chéúfetál mi nóm lón ekkewe chénúpupu mi chéúfetál, iwe, a lamot ngeni eú sókkun chénúpupu mi chéúfetál. Demoulding a tongeni kawor ngeni mwach, nge ewe angangen suki ese tongeni: fiber a anapano fofforun suki me pochokun, esap ewe pochokunen suki me mwen, ina minne ekkewe suki me ekkewe nenien suki meinisin ra nom. Ren emon chon awora fiber mi for seni konkrit mi fen for, ewe kapas eis mi auchea esap ewe ukukun monien ew ton nge ewe fansoun demoulding repwe pwonueta non mak ren ukukun om kinikin, pun ena nampa a affata ewe chochon mould me ina popun ewe kokkotun forata unusen ewe mokutukut.
Ewe angangen kamo precast a kon fatafatoch nap seni ewe angangen kamo pisek non neni: ukukun watten ewe tit me ewe ukukun fansoun mi fatafatoch, ewe fansoun mi namwot, ika pwe ewe mesen aramas a pwung mesen, ika pwe ewe mesen steam a fis, me ika pwe ewe EN 14889-1 a namot ren an epwe kawor ngeni fonu towaw. Ewe steam curing ina ewe mettoch mi kan fis fan chommong: lap seni 60 C ewe tufichin eu minen alillis mi for seni piras a ataielo, me ewe fiber mi lingoch epwe akkomw. Ren an epwe fiti ekkewe grade me ewe ukukun mi mumuta ren sokkun pisek, ewe kinikinin precast won ewe pekin taropwe mi for seni steel fiber a makketiw ekkewe pisekin pwarata mi fich, pachenong ekkewe ukukun diameter me ttamen ekkewe grade mi glued me ewe micro wire ese tongeni atai.
Kopwe ereni kich usun omw ewe prokram me met ka mochen, iwe am aupwe match ngeni ewe pwungun sossot me awora ew quote non ukukun 24 awa.
Angei ew Quote mi ngawMicrowire mi for seni piras, sokkun nesoponon hook mi pwichikar, mi riri ngeni row, sokkun fonu, 304 / 310S / 446 steel ese tongeni uren pwichikar me fiber mi tongeni pworacho ngeni pwichikar, fiber mi sokkono seni UHPC, chochon 0.2 ngeni 1.0 mm2 ngeni 80 mm, ttaman 6 ngeni 6 mm80 MPa, ewe ükükün 0.5% ngeni 2% ükükün ewe konik me 30 ngeni 268 kg/m3. Ewe angangen for pisek epwe tongeni fis anongonong won ewe ASTM A820 ika EN 14889-1 me ekkewe repotun tumunun pisek epwe tongeni kawor. Ekkewe ülüngät sokkun pisek ra älisi: katon, ton me bulk. Ekkewe annukun kamo mei tongeni finata EXW/FOB/CIF/DDP.
Kopwe kaeo usun kefil me fitikoko →