June 15, 2014
Shotcrete a for fan iten an epwe angei ewe pochokkul, nge esap ewe pochokkulen fitikoko. Ena chok sokkofesen a awewei pwata angangen tunnel a aea fiber mi mwochomwoch, watten ukukun me glued.
Ewe aninisin tunnel mi akkomw a fiti sokopaten logic seni ekkewe kokkotun fonufan. Nupwen ewe fonu a atai, ewe puun mi spray epwe atai ren nap seni an epwe spall non ew chok fansoun, ina minne ewe parameter non ewe design ina ukukun ewe pochokun ewe puun a angei non ew fansoun atai. Ewe fofforun chon Iurop a affata ewe pochokunen lusun ika ewe pochokunen angei ren sossot ngeni EN 14488-3; Ewe fofforun Notou Merika a kan angang ren pochokkulen flexion. Iei ewe neni ikewe ewe steel fiber a angei nenian: ewe shotcrete mi chok fitikoko a pout seni an tufich non ewe fansoun a rupwupwotur, nge ew layer mi pochokun ren fiber a tumunu ew watten kinikinin an tufich mwirin an a rupwupwotur, minne a moni fansoun an epwe tou me an epwe apachanong aninis.
Rebound ina ewe nenien fitikoko mi monomon. Ekkewe pisek rese fitikoko ra turutiw sefan, me ewe shotcrete mi fitikoko a kan fitikoko 15% ngeni 25%; fiber a ekis alapalo pokiten fiber a kkuf lon ewe noun. Iwe, ewe ükükün ükükün ükükün ükükün ükükün 30 mm a chöüfetäl lap seni 20 mm. Ina popun ewe angangen tunnel arapakan ese kan aea 50 are 60 mm fiber, inaamwo ika fiber mi langattam a angko mi murinno lon ewe teori. Ewe minen alillis mi pwung a 20 ngeni 30 mm ren eu ttit mi arap ngeni 0.55 mm, ina minne, ewe fiber a tapwelo mwirin ewe asepwal mi tori ewe fonu.
Ewe mix mi pwichikar a pinei ttamen ewe fiber nap seni ewe mix mi pwas. Ewe pisek mi pwichikar a fis ren eu line, ina minne, a fis ekkewe fiber mi langattam me ekkewe blok lon ekkewe bend; non ewe noun epwe fis ren ewe asepwan mi fitikoko. 20 ngeni 30 mm a fich ngeni lape ngeni ekkewe robot mi fiti ewe konik mi fiti konik, nge a wor 0.5 ngeni 0.75 mm ttaman, iwe, a awora eu kinikinin 40 ngeni 55. Ika ewe pochokkulen pochokkul mi affat a watte, ewe polu mi pwung epwe watte ewe ukukun, esap kon langattam ewe fiber: a watteta 30 ngeni 45 kg/m3p pochokkul ren chok pochokkul. ruu ika ülüngät percent.
Ewe ukukun konten fitikoko a kan tori nefinen 25 me 45 kg/m3. Ewe 25 ngeni 30 ran a kapachelong ekkewe leeni mi level mwirin ekkewe fau mi murinno; 35 ngeni 45 a kapachelong ekkewe leenien fault, ekkewe leeni mi poon me ekkewe kinikinin deformation mi watte. Me won 45 kg/m3 tufichin angang a turutiw non napanap mi pwa me ewe chon angang a pwisin apachanong konik, minne a wesewesen atai pochokun. Ina ewe wesewesen popun chommong sites ra repotei pwe a naf ewe safei nge a kisikis pochokkulen. Ewe watten safei epwe pachenong ekkewe minen nofit mi tongeni aukuuku konik me ekkewe minen nofit mi tongeni siwini ewe chochon konik, me ew chekin slump me cohesion me mwen an epwe fis.
Ew ball mi fiber non ewe layer a ngaw nap seni ese wor namotan: a fori ew neni mi monomon me ew plane mi apwangapwang mi winiti ew nenien poputan fitikoko nupwen ewe fonu a mwokut. A wor ülüngät popun a fis ewe ball: a äeä fiber ren ewe föün äsefich lon ewe minen nofit, ese naf ewe fansoun nofit, me a kon watte ewe äsepwäl. Fiber epwe suki ika mongo ren ew misineri mi pin, me ewe nofit epwe fis ren 30 ngeni 60 seken won konkrit mi chok fis. Ekkewe fiber mi glue ra fokkun aukuuku ewe feiengau: ewe row a mongo usun eu unit, ewe glue mi tongeni kkuf ren konik a kkuf, me iteiten fiber a aimufesen emon me emon, iwe, a murinnolo ewe eu chok ren lap seni 40% won ewe fiber mi loose. Ina popun ekkewe robot mi chék chéúfetál ra sani ekkewe chénúpupu mi glued.
Ekkewe fiber mi steel rese siwili ekkewe arch mi steel. Non ekkewe classin fonu IV me V ewe arch a awora pochokunen fonufan nge ewe fiber a awora pochokunen ewe layer pwisin; ra fori sokkopaten angang. Fiber a tongeni, nge, siwini ewe mesh non ewe layer, angeiano ekkewe angangen riri, riri me nenien angang me awesi ekkewe nenien fitikoko mwirin ewe mesh. Ewe kokkot mi kan fis won ewe leeni, ina ewe arch mi for seni steel me ewe kon mi for seni fiber nge ese wor mesh. A fis watte feiochun lon an siwili ekkewe lapalap, ikewe ie mesh ese tongeni tapwelo mwirin eu fau ese pwung nge ewe konkrit mi fiber a tongeni.
Rebound ina ewe esisinen moni mi kon wenechar non ewe konun tunnel, me an we aewin mettoch mi siwin esap ewe fiber nge ewe angang. Lon ewe minen nofit mi pwichikar, ewe pisek a fen unusen toropasfeil atun a pump me ewe accelerator a kapachelong lon ewe nozzle, ina minne, lape ngeni ekkewe lum ir ball mi chofona mi ririfengen ren paste mi tatakis atun ra fiti. Ewe minen nofit mi pwas ina ewe mettoch mi sokkolo: konik a kapachelong lon ewe noun, ewe konik ese pwung, me fiber a ioifengen lon ekkewe ball mi enlet won ewe ttikin hose me lon ekkewe bend, me emon me lein ekkewe mi tori ewe kroun a likiti eu leeni mi poon. Fili ewe pworous seni kinikin me tichik. Ren eu lining mi nomofoch 20 ngeni 30 mm iteiten fansoun, ewe mix mi konik a awora eu minen apwapwa mi murinno; ren aninis non fansoun mwochomwoch, angangen awenewen non fansoun mwochomwoch me siwinin kinikin mi mwitir, ewe dry mix a siwinoch me a etiwa ewe rebound mi nap. Wet mix a uwei ülüngät pworaus. Fiber esapw nap seni ew ne unungat ewe puun hose, ina minne 50 mm fiber non ew hose 65 mm epwe block. Ewe minen apwapwa a fis mwirin ewe seepage won ewe fau, a kon watte a fori eu layer mi ppwul me a kon kukkun a mut ngeni an epwe kkuf, me ese lifilifil ika ewe fiber epwe ukutiu le angang. Kopwe tumunu ewe noun 1 ngeni 1.5 m seni ewe puun me kopwe spray non wenechar; ewe spray mi angoch a alimelima ekkewe fiber ngeni ewe asapwal me a fori eu plane mi apwangapwang mi anisi. Ewe angangen angei pochokun a kapunguno ren ewe tes non ewe panel non EN 14488-3, me etiwa ina ewe neni fan ewe fitikoko ren fitikoko nap seni ew chok fitikoko, ewe ewe contract epwe affata non fatafatoch.
Ewe etiwa fan iten ewe fiber mi for seni shotcrete a nengeni ulungat mettoch: ukukun, ewe ukukun kinikinin me ewe pochokunen fitikoko. Ewe ukukun safei epwe cheki ren an epwe suki ew sample non ewe neni me aukuuku, non ukukun nap seni ika kukkun seni 10%; uniform ren an epwe coring me nengeni ewe mesen aramas mi kkuf, ewe epwe pwarata pwe fiber a choufetal non eu chok napanap nge ese wor fiber ese wor; pochokun ren ewe tes mi nom non ewe kokkot. Ren model, ttamen, ttaman me ewe ukukun mi mumuta, ewe kinikinin tunnel me mining non ewe pekin taropwe mi for seni steel fiber a makketiw ekkewe grade me ukukun mi fich, ewe mi tongeni apachanong pwungun usun ew annex mi fiti sukun.
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 →