Stilin Fayba fɔ Indastrial Flɔ: Slab Dip, Jɔyn ɛn Rial Nɔmba

Atikul

Jun 15, 2013

If yu ad stɛl fayv to wan industrial flo, dat nɔ de mek i nɔ krak. Slab dip, jɔyn spɛshal ɛn fɔklift pɔynt lod na tri difrɛn kɔlkyulɛshɔn, ɛn na wan pan dɛn nɔmɔ na bɔt di fayv.

Wan Flɔ Nɔ Gɛt Krak Bikɔs I Gɛt Fayba

Indastrial flo dɛn kin krak fɔ fayv rizin dɛn: plastic shrinkage, drying shrinkage, thermal stress, sabgrɛd sɛtulmɛnt ɛn ɔvalod. Stilin fayba kin mek di fɔs tu bɛtɛ bad bad wan, i kin ɛp di tɔd wan jɔs sɔm pat pan am, ɛn i nɔ kin du natin fɔ di las tu. we wan fכl sho tru-krak tri mכnt afta dεn put am, di kכz kin bi se i nכ de kכmpakshכn fכ sabgrεd כ ovasayz jכyn spεs pas fכ insכfεkt doz. Fɔ trit fayv lɛk yunivasal anti-krak ɛjɛn na di kɔmɔn mental statin pɔynt fɔ wan flɔ we dɔn fel. di akכrd stetmεnt na dat fayv de tכn wan wayd krak to plεnti hairline krak, de mek di slab rilis shrinkage strεs ivin insted fכ tray fכ pul krak krak tru doz nכmכ.

Kondishɔn fɔ Go frɔm 200 to 150 mm

Wan flo we nɔ gɛt rɛinfɔs kin gɛt in flekshɔnal kapasiti frɔm tik; wit fayv, kapasiti de kכmכt frכm tik we dεn kכmbayn wit post-krak tεnsil strכng. Tinin na tiori posibul bɔt i nid tri kɔndishɔn wan tɛm: wan ay ɛn yunifom mɔdyul fɔ sabgrɛd riakshɔn, lod dɛn insay dizayn valyu dɛn, ɛn rili lod transfɔm na jɔyn dɛn. Praktis de ridyus 200 mm to 150 ɔ 170 mm we yu de rayz di doz to 35-45 kg/m3. Enitin we pas 25% ridyushɔn nid fɔ chɛk ful slab, nɔto lɔ fɔ du. Wan pɔynt kin izi fɔ mis: di mɔ di slab tan, na di mɔ i kin sɛnsitiv fɔ sɔbgrɛd flatnɛs. 5 mm dεvyayshכn כnda 3 m strεt nכ de rεlevεnt na 200 mm εn i de mek lokal void dεm na 150 mm.

Joint Spacing: Wetin Mek 6 m Panel Na di Usual Start

Joint spacing de kɔntrol shrinkage strɛs. Nɔmal wan dɛn kin put klin kɔnkrit insay 6 m panɛl dɛn; wit stεl fayba dis kin gro to 8 כ ivin 10 m biכs di fayv de rayz ultimate tεnsil strεn. Fɔ mek di panɛl dɛn big gɛt wan prɛkɔndishɔn: di dip we dɛn kɔt wit saw fɔ rich wan pat pan tri pat pan di tik we di slab tik, ɛn di kɔt fɔ apin afta di kɔnkrit gɛt inof trɛnk bɔt bifo shrinkage krak krak apia, tipikul 12 to 24 awa afta dɛn dɔn tɔn big wan. Kɔt let ɛn di slab dɔn ɔlrɛdi krak usay i want, so di saw we dɛn kɔt nɔ de du natin. Di ɔda tin we dɛn nɔ de tek tɛm wit na di dawɛl spɛshal: mek di panɛl dɛn big we yu de kip di dawɛl dɛn na 300 mm ɛn di jɔyn dɛn go fɔlt.

20-40 kg/m3 Na di Wok Rɛnj fɔ Flɔ

Flɔ ɛn strɔkchɔral kɔnkrit de yuz doz difrɛn we. Strukchɔral kɔnkrit de rɛsist fɔ bɛnd ɛn impak na 30 to 80 kg/m3; di fכl dεm de rεsist shrinkage εn pכynt lod dεm, usay 20 to 40 kg/m3 dεn dכn כlrεdi impruv krak bihayv εn hεvi-duti fכl dεm de go to bכt 45. Abov 50 kg/m3 finishing de bi notisably had εn surface fiber exposure inkrεs. Dat rεnj kכrεkt to roughly 0.25% to 0.5% bay volyum, we na di sem kwantiti we dεn rayt tu we. Ɔltɛm fiks di besis na di kot, ɔdasay i luk smɔl bay volyum frakshɔn ɛn dia bay kilogram fɔ di sem matirial.

Flatness ɛn Surface Fiber Ɛksplɔshɔn

Flɔ akseptɛns de kɔba flatnɛs, ɔltɛm FF/FL ɔ 3 m stret, ɛn bak di sɔfayz kwaliti. di hכy doz, hכy slump εn let finish כl de push fayv to di sכfa εn prodyuz wisk. Di fiks nɔto less fayba bɔt na tri kɔntrol: kip slump na 140 to 180 mm, stat pawa flɔt wantɛm afta vaybreshɔn, ɛn dray-shɛk wan hardener usay nid de. di fayv we dεn dכn כlrεdi kכmכt kin grכn bak, bכt mכr dan 3 mm we dεn grind i de pul pat pan di wear layεr. Fɔ ɔtomatik westɛm we gɛt ekstrim flatnɛs rikwaymɛnt, ol di doz na ɔ dɔŋ 30 kg/m3 ɛn lɛk 0.55 mm fayn fayv.

Fɔklift ɛn Rɛk Lod: Point Lod Gɔvmɛnt

Di lod we dɛn nɔ kin tink bɔt pas ɔl na di industri flo na di fɔklift. Wan 3 t trak plus ful lod de transmit tru fo wil, so wan singl wil kin kari 4 to 6 t ova som duzin skwea senmita. Di lokal bɛnd frɔm da pɔynt lod de bɔku tɛm pas di ifɛkt we di yunifom lod gɛt. Racking na mɔ ekstrim: 4 uprights pan wan bay, ɛni wan we dɛn mek fɔ pas 10 t. So dɛn fɔ chɛk di riinfɔsmɛnt ɛn di doz agens di wɔs pɔynt lod, nɔto di avɛrej savis lod. Na dat mek wan ɔtomatik westɛm flo de kɔst pas 30% pas wan kɔvɛnshɔnal flat stoa we de na di sem eria.

Di Joints Steel Fiber Nɔ Ebul fɔ Riples

Di tin we pipul dɛn nɔ kin ɔndastand mɔ na wan industrial flo na fɔ trit stɛl fayba as rizin fɔ skip fɔ kɔt saw. Fayba de mek di kapasiti we de afta krak ɛn taf, i de mek krak fayn, den ɛn slo fɔ opin, bɔt i nɔ de stɔp kɔnkrit fɔ shrink, so ɛvri jɔyn we dɛn nid stil gɛt fɔ kɔt. Nɔmal prɔsis na fɔ kɔt saw pan di kɔlɔm grid we de lɛk siks mita spɛshal, we dip wan kwata pan di tik we di slab tik; shalo nɔ de mek di krak krak ɛn dip de mek di sɛkshɔn wik. di aysolεshכn jכint dεm de arawnd di kכlכm dεm, di wכl kכna dεm εn di ikwipment bays dεm, usay rεstrεnt kכnsantreyt εn nכ fayv dכz kin kכmpεns. Wan tin we dɛn kin fɔgɛt ɔltɛm: di slab fɔ separet frɔm di ɛksternal wɔl ɛn grɔn bim, ɔdasay di wɔl go stɔp di slab, di pat we dɛn kɔt kin chenj as wan ɛn di krak krak kin apia na di midul pan wan trafik len. Dry-shake hardener nid in yon instrɔkshɔn. di agrɛgrɛt de brodkas bifo dɛn fɔs sɛt am na 3 to 5 kg/m2; tu ali ɛn i de sink, tu let ɛn i nɔ go bon. Fɔklift pɔynt lod na wan sɛpret dimɛnshɔn. Fayba de mek di panch kapasiti bɛtɛ, bɔt di tik we di slab tik ɔnda kɔnsɛntret wil lod dɛn nɔ kin bay bak wit di doz; 150 mm dɔn ɔlrɛdi de nia di limit ɔnda fayv tan trak, ɛn ɛnitin we tinap nid lokal tik ɔ stɛl plet. Flɔ dɛn kin sakrifays ɔ nɔ kin wok fayn pan di jɔyn layout, di sab-base flatnɛs ɛn di fɔs sɛvin dez we dɛn kin mɛn fa fawe pas di doz we dɛn print pan di bag.

Fayv Tin dɛn we Flɔ Inkwyuiz fɔ Tɔk

Wan stɛl fayba inkwyuiz fɔ wan flo kin gɛt kɔmparabl kot we i tɔk fayv tin dɛn: slab tik ɛn panɛl saiz, dizayn lod (yunifɔm plus maksimal pɔynt lod), sabgrɛd tayp ɛn mɔdyul fɔ sabgrɛd riakshɔn, doz ɔ volyum frakshɔn, ɛn di standad we fɔ mit. Ekspɔt projɛkt dɛn fɔ gɛt nem ASTM A820 ɔ EN 14889-1. Di tin we kin mis pas ɔl na di modulus fɔ sabgrɛd riakshɔn, ɛn na in prɛsishɔn de disayd if di slab kin tinap. Fɔ chɛk rial prɔjek doz rɛkɛmɔndeshɔn ɛn pak, di industrial flooring sɛkshɔn na di stɛl fayba prodak pej list rɛkɛmɔnd doz ɛn pak saiz dɛn we kin kɔnvɔyt dairekt to kɔntena kwantiti.