Etke Hooked-End Steel Fiber ej lap: Mechanics ko an juon Hook

Bwebwenato

Juun 15, 2012

Ilo ejja diameter im depakpak eo wot, juon fiber eo ej dāpij ilo jemlokin ko ruo ej kōmman 40% elaplok an bond jen juon eo ejimwe. Hook eo ej ukōt juon jikin mōñā ñan mōñā im bar juon anchorage.

Juon Hook ej Anchorage, Jab Decoration

Kōmman juon steel fiber jen concrete ej melelen anjo ion ruo men ko: interfacial friction im mechanical interlock. Juon fiber eo ejimwe ewōr wōt an friction, innem ej jino an mōjno ilo an dik an jorrāān. Juon fiber eo ej dāpij ilo jemlokin ruo ej aikuj in jimwe an dāpij ilo an mōjno, im menin ej bōk elaplok kajoor, innem ilo ejja ien eo wot ej bōk elaplok eddo. Men in ej men eo ettino: hook eo ej ukōt juon jikin mōñā ñan mōñā im anchorage. Ej barāinwōt meļeļein hook geometry, meļeļein hook length, angle im radius, ej aorōk jān fiber diameter, im geometry ej lukkuun ta eo men ko repidodo rejjab kōjerbali.

Ia eo 40% oktak in Bond eo ej itok jen e

Kōmeļeļe eo bwe hooked fiber ej 40% emmanlok jen straight fiber ej juon test in pull-out, jab marketing. Ilo ejja matrix eo wōt ilo ejja embedment eo wōt, juon fiber eo ejimwe ej tōpar ilo enañin juon millimeter in slip innem ej wōtlo̧k, ilo iien eo juon fiber eo ejim̧we ej tōpar utiejļo̧k im ej wanlaļļo̧k jidik wōt. Juon wanlaļ eo edik ej melelen elaplok kajoor eo ej bōk mokta jen an likjab, eo ilo jikin eo ej riiti einwot ej rup ak ej jutak. Enin unin tunnel shotcrete, blast-resistant works im seismic elements rej kajerbal hooked fiber enañin aolep: rej aikuj deformation capacity mokta jen an jorrāān, jab kajoor in compressive eo elaplok.

0.55, 0.75 im 1.0 mm: Kālet Diameter eo

Jilu joñan, jilu jerbal. Ilo 0.55 mm fiber eo ej emman ñan aspect ratio ko ilõñin 60, eo ej ekkar ñan wall ko redik, self-compacting mix ko im joñan eo elap. Ilo 0.75 mm ej joñan eo ñan floor ko, bridge deck ko im precast beam ko. Ilo 1.0 mm ej bōk elaptata eddo ilo juon fiber, ñan mass pours, heavy-duty floor ko im case ko ijo juon bar eo ebinlok ej bōk jikin. Kien eo ejjab bwe en emmanlok ak joñan an alikar: joñan fiber eo ej aikuj in bed iumin ruo mõttan jilu in joñan eo ediktata, elañe jab fiber ko rej bridge im arch ilo ien likit. Ion juon 150 mm slab ippāñ mesh eo ilōñ im iumwin, joñan eo ealikar ej 60 ñan 80 mm, ijo 50 mm aitok 0.75 mm fiber ej jerbal emmanlok jen 60 mm aitok 1.0 mm fiber.

30, 35, 50 im 60 mm: joñan ej lor joñan eo elaptata

Leen ejjab juon kālet eo ej make wōt. Ilo 20 mm joñan eo elaptata, depakpak in fiber eo ekkā an 30 ñan 40 mm; iumwin 10 mm aggregate emaron etal ñan 50 ak 60 mm. Unin ej pidodo: juon fiber ej aikuj in jilu alen joñan joñan ñan an maroñ in bridge ikõtan particle ko, ak ñe ejjab bar jejjet ñan gap ko ej ball. Shotcrete ej men eo eoktak. Fiber ko ilo nozzle eo rej aikuj in wōtlo̧k ippān mejatoto eo, kōn menin 20 n̄an 30 mm ej ekkar; fiber eo elaplok ej kalaplok an bar jeblak.

Joñoul Drawing Passes: Etke Kajoor ej Dāpdep ilo 800-1150 MPa

Wire eo edik an carbon ej bōk kajoor ilo an kajoor. Rod eo ej etal elaplok jen joñoul dies ko rej ļoor doon, grain ko rej eddeklok im emmanlok ilo axis eo, kajoor ej wōnmanlok ilo kajjojo an etal im ductility ej wōtlok. Edik wōt pass ko im kajoor ejjab itok; elap an lõñ ilo ejelok annealing im wire eo ej oktak im rup im rup elikin jilu an rup. Juon line eo ebin ej dāpij oktak in kajoor iumin 5% im ej kallimur bwe en ejelok rup elikin jilu reverse bend ko. Nōmba kein ruo rej kwalok elaplok kin maroñ in jerbal jen joñan kajoor eo, kinke rej kwalok joñan an rup ilo ien kōmat. Fiber ko rerup rej jolok men ko im likit mōttan ko redik im rejjab kajoorlok jabdrewot.

30-80 kg/m3 im joñan eo emol ñan bōk jikin Mesh

Steel fiber emaron bōk jikin welded mesh ak jab structural reinforcement, im line eo ej aikuj in alikar. Mesh ej lale joñan bwil im molo im shrinkage cracking, eo ej secondary reinforcement; steel fiber ilo joñan eo ejejjet ej letok juon joñan eo emmanlok ñan bōbrae im jolok tie, spacers im positioning labor. Ak steel eo elap an kajoor ilo beam ko, column ko im slab soffits ko rejjab maroñ in jolok, kinke fiber eo ejjab lukkun emman jen bar eo ej bed ie. Men eo ekkã an walok ej ñan ukõt mesh eo ilõñ kin fiber, kejbãrok steel eo iumin, ak kadiklok joñan depakpak in bar eo kin juõn ak ruo millimeter ko ibben juõn joñan 30 ñan 80 kg/m3.

Ewi wawein am lale juon hook: Kōmman, joñe, rupe

Hooked-end wire ej dāpij elaptata in structural steel fiber market eo, ak juon hook ejjab einwot anchorage. Jilu jerbal ko rej kōmmane ilo jikin eo ak ilo ruum in sample eo. Mokta, ukōt: bōk joñoul fiber ko, jimwe juon hook kin pliers im kōtlok, innem hook eo en bar jeblak ñan elaplok jen jimettan in angle eo an mokta. Jab emman spring-back ej melelen bwe wire eo elap an utiej yield-to-tensile ratio, innem hook eo ej jimwe ilo mixer eo im deloñ ilo concrete eo einwot wire eo ejjelok wōnāān. Kein karuo, joñe: joñan depakpak in hook ej ruo ak jilu alen joñan depakpak in wire eo, angle eo ej 45 ak 90 degrees, im jemlokin ruo remaroñ reilok ilo ejja ia eo wot ak ilo wāween ko reoktak, ak juon batch ej aikuj in jimwe. Caliper joñoul fiber; juon joñan eo elaplok jen joñoul percent ilo joñan hook ej melelen bwe forming dies ko rej rup. Kein kajilu, rup: juon ductile fiber ej dāpij bōran mokta jen an jepel, juon eo ebin ej rup, im juon rup ej kwalok kin an nana an maroñ in rup. Juon men ekkā an jako. Copper layer eo ej rup mokta ilo an bend, innem kōmman juon hook nae meram eo; hairline ko re marok rej melelen bwe hook eo ear ejaak ilo ejelok bar plate im corrosion enaj jino ijo ilo salt spray. N̄āāt eo juon hook ej kālet eo ebōd? Ilo concrete eo emōj an spray, hook ko rej jibwe mesh im ball up ilo ien eo aspect ratio ej dik, innem waved wire ej emmanlok an jerbal. Ilo concrete eo ej make kōmman an make mōrā, joñan an utiej ej jolok mõttan in anchorage advantage eo. Kālet ejjab kin fiber eo ekajur tata, ej kin eo ejjab kōmman jorrāān ilo wāween likit eo. Elañe kwoj konono ibben juon ri wia steel fiber, jilkinlok ñan ir joñoul fiber ko im kajitõk kin spring-back eo im break type eo mokta jen am jilkinlok juon purchase order; juon ri wia eo ejjab maroñ uwaak ilo nan kein ej wiakake kin wōnan wōt.

Lale Hook ko ilo Delivery: Jilu Jerbal ko

Etale hook ko ejjab aikuj kein jerbal ko. Mokta, jolok juon pein im roñjake: juon ring emera ej melelen an emman an jako, juon an rup ej melelen an emōrā. Kein karuo, joñe joñan aitok in hook eo im angle eo ion joñoul fiber ko kin juon caliper; hook ko redik ak redik rej jimwe ilo mōkaj iumwin eddo. Kein kajilu, ukōt juon fiber ruo alen im bar jeblak jilu alen; elañe ej rup, men eo ej rup. Elikin jilu step kein, lale batch report eo nae tensile strength im diameter tolerance im elaptata problem lot ko rej filter out. Ñan keidi model-by-model, peij in steel fiber product ej kwalok diameter, length, aspect ratio im joñan tensile ko ñan kajjojo grade, eo emaron jerbal einwot juon acceptance baseline.