June 15, 2013
Ach apachalong steel fiber ngeni eu leenien angang esap fori pwe esap wor ppwul. Ewe slab mi uren fitikoko, ewe fitikoko lefilen ekkewe chuk me ekkewe fitikoko lefilen ekkewe leenien forklift ir ulungat sokkun kapwung mi sokkolo, me eu chok me leir a ussun ewe fiber.
Ekkewe puun non ekkewe nenien angang ra rupwupwotur ren nimu popun: plastic a kkuf, rupwupwotur mi pwas, osukosuken pwichikar, rupwupwotur mi nom fan me a kon watte. Ewe steel fiber a fokkun alisata ekkewe ruu aewin, a alisi ewe aulungatin chok ekis, me arapakan ese fori och mettoch fan iten ekkewe ruu mwirin. Nupwen ew puun a pwarata ekkewe-cracks 3 maram mwirin an a nom, ewe popun a kan fis pwe ese naf ewe subgrade compaction ika a kon watte ewe nefinen ekkewe chuk nap seni ese naf ewe ukukun. Ach fori fiber pwe epwe eu minen eppet ngeni crack mi unusoch ina ewe popun ekiek mi kon itefouno fan iten eu puun mi feiengau. Ewe poraus mi pwung pwe fiber a siwili eu ttit mi watte ngeni chommong ttit mi lingoch, iwe, a mut ngeni ewe slab an epwe angasalo ewe osukosuken shrinkage fan eu chok nge esap sotun amoielo ewe ttit ren chok an epwe angei ewe safei.
Eú chénúpupu ese péchékkúl a angei an tufichin ffér seni chénúpupu; ren fiber, kapas a feito seni tichik mi ririfengen me pochokkulen fitikoko mwirin fitikoko. Ewe angangen äeä ewe föün äsefich a tongeni fis nge a lamot ngeni ülüngät napanap lon eü chök fansoun: eü modulus mi tekia me ükükün chök ewe föün äsefich mi chöüfetäl, ekkewe föün äsefich mi nom lon ekkewe ükükün föün äsefich, me eü föün äsefich mi lükülük lon ekkewe föün äsefich. Kopwe fori pwe epwe aukuuku 200 mm ngeni 150 ika 170 mm nge epwe aukuuku ewe ukukun ngeni 35-45 kg/m3. Mettoch meinisin mei nap seni 25% aukukun mei namwot epwe wor ew unusen chekin slab, esapw ew annukun fitikoko. Eú mettóch a mecheresin mwáálliló: ika a chék chéúfetál ewe slab, iwe epwe pwal chéúfetál an epwe chék chéúfetál. Ew 5 mm fitikoko fan ew 3 m fitikoko ese wor namotan non 200 mm me a efisata ekkewe nenien fitikoko non 150 mm.
Ewe spacing mi fiti fitikoko a nemeni ewe osukosuken shrink. Konkrit mi ffat a kan nom lon ekkewe panel mi 6 m; ren ewe steel ei a tongeni watteta ngeni 8 are pwal mwo nge 10 m pokiten ewe steel a efisata ewe fitikoko mi fokkun watte. Ekkewe panel mi watte a wor eu kokkot: ewe ttamen saw-cut epwe tori eu-ne-engon kinikinin ewe slab, me ewe ttamen epwe fis mwirin ewe konkrit a angei naf pochokun nge me mwen an epwe pwa ekkewe rupwupwotur mi kukkun, fan chommong 12 ngeni 24 awa mwirin eu watten pour. Kopwe kkuf mwirin me ewe slab a fen kkuf ikewe a mochen ie, ina minne, ewe saw cut ese fori och mettoch. Ewe pwan ew mettoch ese wor tumunun ina ewe nefinen ekkewe dowel: kopwe anapano ekkewe panel nge kopwe chok tumunu ekkewe dowel non 300 mm me ekkewe riri repwe mwaken.
Ekkewe puun me ekkewe konkrit ra aea dosage mi sokkono. Ewe konkrit mi for seni imw a tongeni pworacho ngeni an epwe kkuf me kkuf ren 30 ngeni 80 kg/m3; ekkewe ppwul ra u ngeni ar repwe kkuf me ekkewe ppwul mi poon, ikewe ie 20 ngeni 40 kg/m3 a fen alisata fofforun ppwul me ekkewe ppwul mi chou ra feilo ngeni ukukun 45. Lap seni 50 kg/m3 ewe finioch a fokkun pochokkul me a watte ewe ppwul mi kkuf won ewe ppwul. Ena ukukun a wewe ngeni ukukun 0.25% ngeni 0.5% ren ukukun, ina ewe chok ukukun mi mak non ruu napanap. Fansoun meinisin kopwe awenechara ewe longolong lon ewe poraus, ika esap ina, epwe ussun ita pwe a kon lien watte ren kinikinin volume me a kon auchea ren kilogram fan iten ewe chok pisek.
Ewe etiwaen puun a kapachelong ewe puun mi patapat, fan chommong FF/FL ika ew 3 m wenechar, pwan ewe puun mi pwung. Ewe watten dose, ewe slump mi watte me ewe mwitir wes meinisin ra pusin fiber ngeni ewe puun me ra fori wiser. Ewe fichi ese kisikis fiber nge a wor ülüngät mettoch epwe nemeni: kopwe äeä slump lon 140 ngeni 180 mm, poputä le äeä pöchökkülen äeämwäälli mwirin chök an äeä, me äeä eü minen ässäw ikewe mi lamot ie. Fiber mi fen pwapwalo a tongeni ppwul sefan, nge lap seni 3 mm ewe ppwul a angei seni ewe kinikinin ewe ppwul mi ppwul. Ren ekkewe nenien tumun mi otot mi fokkun namwot pwe epwe wor fitikoko, kopwe amwochu ewe ukukun ika kis seni 30 kg/m3 me kopwe mochen 0.55 mm fiber mi murinno.
Ewe pisek mi kon ssenuk an aramas ekieki ussun won eu leenien angang, ina ewe forklift. Eú tarakú mi 3 t fitifengen me unusen load a uwei ren rúáánú wiil, ina popun eú chék wiil a tongeni uwei 4 ngeni 6 t wóón fitu chék square centimeter. Ewe leenien bending seni ena leenien äppirü a kan lap seni ewe föfförün älleäsochis mi uniform. Racking a kon watte: föü föün äsefich iteiten bay, eü me eü a fför fän iten lap seni 10 t. Ina minne, epwe cheki ewe minen apochokkul me ewe ukukun moni mi ngau seni meinisin, nge esap ewe minen apochokkul mi fitikoko. Ina popun eu leenien tumun pisek mi otot a lap seni 30% liwinin lap seni eu sitowa mi nom fan eu chok leeni.
Ewe wewengau mi kon chou won eu leenien angang, ina ar fori ewe steel fiber pwe eu popun ar repwe skip ekkewe saw cut. Fiber a alapalo ewe tufichin me pochokkulen mwirin an a fis eu ppwul, a fori pwe ekkewe ppwul repwe lingoch, watte me mwittir suuk, nge ese pinei ewe konkrit seni an epwe kkuf, ina minne, meinisin ekkewe rupwupwotur mi lamot repwe chuen kkuf. Ewe foffor mi fis iteitan ina eu saw mi atai won ewe grid mi nom won ewe kolun non ukukun wonu mita towawan, non ew nepoputan ew ne engonun ewe slab; mi kon watte ese efisi ewe rupwupwotur me mi kon watte a apwangapwangaalo ewe kinikin. Ekkewe ririin isolation ra nom unukun ekkewe kolun, ekkewe chuk me ekkewe nenien pisekin angang, ikewe ie ewe minen eppet a kon watte me ese wor fiber epwe tongeni awesi. Ew mettoch aramas ra kan monuki: ewe slab epwe imufesen seni ekkewe tit lukun me ekkewe puun, ika esap ina, ewe tit epwe pinei ewe slab, ewe napanapen cut epwe siwin usun ew unusan me ewe crack epwe pwa non nefinen ew aanen traffic. Ewe minen älillis mi chöüfetäl a lamot ngeni pwisin an epwe käeö. Ewe äsepwäl a äeä me mwen an epwe poputä le äeä 3 ngeni 5 kg/m2; a kon mwitir me a sink, a kon mwitir me esap bond. Ewe leenien forklift a fis lon eu kinikin mi sokkolo. Fiber a amúrinnéló ewe tufichin punch, nge ewe slab mi chéúfetál fán ekkewe wiil mi chéúfetál ese tongeni méénisefál ren úkúkún chéúfetálin; 150 mm a fen arap ngeni ewe ukukun fan eu taraku mi limu ton, me mettoch meinisin mi ititiw a lamot epwe ititiu lon leenier are eu steel plate. Ekkewe puun ra sopwoch are feiengau won kokkotun ririfengen, kokkotun ririfengen me ekkewe aewin fisu ran ra chikar lap seni ewe ukukun mi mak won ewe bag.
Ew kapas eis usun steel fiber ren ew puun a angei ekkewe kapas mi wewe chok nupwen a apasa nimu mettoch: ukukun ewe slab me ukukun ewe panel, ekkewe choun design (mi chok ew chok me ewe watten chochon), ewe sokkun puun me ewe modulus ren ewe puun, ewe ukukun ika ewe kinikinin volume, me ewe napanap epwe fis. Ekkewe angangen amomo repwe iteni ASTM A820 ika EN 14889-1. Ewe mettoch mi kan fis fan chommong, ina ewe modulus mi fis fan iten ewe subgrade, me ina wesewesen met epwe filata ika ewe slab epwe tongeni kkuf. Ren ach sipwe cheki ekkewe kapasen pesepes ren ukukun ewe prokram me ekkewe pisekin angang, ewe kinikinin ewe puun non ewe pekin steel fiber a makketiw ewe ukukun me ekkewe sais mi pachenong mi siwin ngeni ukukun ekkewe konten.
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 →