Steel Fiber na Dɔwɔƒewo ƒe Anyigba: Slab Goglome, Ƒuƒoƒowo kple Xexlẽdzesi Nyateƒetɔwo

Nu

June 15, 2013

Gakpo ƒe ka tsɔtsɔ kpe ɖe dɔwɔƒewo ƒe anyigba ŋu menaa wògbãna o. Slab ƒe goglome, ƒunukpeƒewo ƒe dometsotso kple forklift point loads nye akɔntabubu vovovo etɔ̃, eye wo dometɔ ɖeka koe ku ɖe ka la ŋu.

Anyigba Megbãna O Elabena Fibre Le Eme

Susu atɔ̃ tae dɔwɔƒewo ƒe anyigbawo gbãna: plastik ƒe ʋuʋu, ƒuƒu ƒe ʋuʋu, dzoxɔxɔ ƒe nuteɖeamedzi, anyigba ƒe anyimanɔmanɔ kple agba si gbɔ eme. Gakpo nana eve gbãtɔwo nyona ɖe edzi ŋutɔ, ekpena ɖe etɔ̃lia ŋu le akpa aɖe ko, eye mewɔa naneke kloe na eve mamlɛawo o. Ne anyigba aɖe ɖee fia be gbagbãƒewo to eme le ɣleti etɔ̃ megbe le edada vɔ megbe la, zi geɖe la, nusi gbɔ wòtsonae nye subgrade compaction si mesɔ o alo ƒunukpeƒewo ƒe dometsotso si lolo akpa tsɔ wu be woazãe si mesɔ gbɔ o. Nuwɔwɔ ɖe fiber ŋu ​​abe xexeame katã ƒe atike si tsia gbagbã nu ene nye susu me gɔmedzedze si bɔ wu na anyigba si do kpo nu. Nya si sɔ enye be ka trɔa ɖa ƒe gbagbãƒe gbadza ɖeka wòzua ɖa ƒe gbagbã geɖe, si wɔnɛ be kpe gbadzɛa ɖea nuteɖeamedzi si me woɖea nutetea fiana le la ɖe go sɔsɔe tsɔ wu be wòadze agbagba be yeaɖe gbagbãƒe ɖa to agbɔsɔsɔme ɖeɖeko dzi.

Nɔnɔme siwo me Woayi tso 200 va ɖo 150 mm

Anyigba si womedo ŋusẽe o la xɔa eƒe ƒoƒo ƒe ŋutete tso eƒe titrime gbɔ; ne wotsɔ ka wɔe la, ŋutete tsoa titrime si wotsɔ kpe ɖe eƒe ʋuʋu megbe ƒe tensile strength ŋu. Le nukpɔsusu nu la, woate ŋu awɔ nu tsɛ gake ebia nɔnɔme etɔ̃ zi ɖeka: subgrade reaction ƒe modulus si kɔkɔ eye wòwɔ ɖeka, agba siwo le design values ​​me, kple agba ƒe tsɔtsɔ yi teƒe bubu si ŋu kakaɖedzi le le ƒunukpeƒewo. Nusɔsrɔ̃ ɖea milimeta 200 dzi kpɔtɔna va ɖoa milimeta 150 alo milimeta 170 esime wole agbɔsɔsɔme dzim ɖe edzi va ɖoa kilogram 35-45/m3. Nusianu si gbɔ 25% dzi ɖeɖe kpɔtɔ ŋu hiã be woawɔ slab check bliboe, ke menye se si woatsɔ awɔ dɔe o. Nya ɖeka to vovo bɔbɔe: zi alesi kpe gbadzɛa le tsɛ la, zi nenemae wòsea veve ɖe gbadzaƒe si le gbadzaa la dzi kpɔtɔnae. 5 mm ƒe tete ɖa le 3 m dzɔdzɔenyenye te mehiã le 200 mm o eye wòhea teƒea ƒe ʋuʋudedi vɛ le 150 mm.

Ƒuƒoƒo ƒe Dometsotso: Nusitae 6 m Panels Nye Gɔmedzedze Zi geɖe

Ƒunukpeƒewo ƒe dometsotso kpɔa nuteɖeamedzi si le ƒunukpeƒewo ƒe ɖeɖeɖa dzi. Zi geɖe la, wotsɔa kɔnkrit gbadzaa dana ɖe ʋuƒo siwo ƒe didime nye meta 6 me; le gakpo ƒe ka gome la, esia ate ŋu adzi ɖe edzi aɖo meta 8 alo 10 gɔ̃ hã elabena ka la doa tensile strain mamlɛtɔ ɖe dzi. Nɔnɔme aɖe le xɔtunu siwo lolo ɖe edzi ŋu: ele be aŋe si wotso ƒe goglome naɖo kpe gbadzɛa ƒe titrime ƒe akpa etɔ̃lia, eye ele be woatsoe ne kɔkrit la ƒe ŋusẽ sɔ gbɔ vɔ gake hafi ʋuʋudedi siwo le ʋuʋum la nadze, zi geɖe la, gaƒoƒo 12 va ɖo 24 le kɔklɔ gã aɖe megbe. Lãe wòtsi megbe eye kpe gbadzɛa gbã xoxo le afisi wòdi, eyata aŋe si wotso la mewɔa naneke o. Nu bubu si dzi woŋe aɖaba ƒu edzie nye dometsotso si le dowelwo dome: nàdzi ʋuƒoawo ɖe edzi esime nèle dowelwo dzi kpɔm le milimeta 300 eye ƒunukpeƒewo agblẽ.

20-40 kg/m3 Nye Dɔwɔwɔ ƒe Agbɔsɔsɔme na Anyigbawo

Anyigba kple xɔtuɖaŋu ƒe kɔnkrit zãa agbɔsɔsɔme si wozãna le mɔ vovovowo nu. Xɔtuɖaŋu ƒe kɔnkrit te ŋu nɔa te ɖe eƒe ƒoƒo kple eƒe ƒoƒo nu le 30 va ɖo 80 kg/m3 me; anyigbawo te ŋu nɔa te ɖe agba siwo le ʋuʋum kple esiwo le teƒe ɖeka nu, afisi kilogram 20 va ɖo 40/m3 naa gbagbã ƒe nuwɔna nyona ɖe edzi xoxo eye anyigba siwo wɔa dɔ kpekpewo yia abe 45. Ne wu kilogram 50/m3 ƒe nuwuwu va sesẽna wòdzena eye ka siwo le anyigba dzi ƒe dodo dzina ɖe edzi. Agbɔsɔsɔ ma sɔ kple 0.25% va ɖo 0.5% lɔƒo le eƒe lolome nu, si nye agbɔsɔsɔ ma ke si woŋlɔ ɖe mɔ eve nu. Dzra gɔmeɖoanyia ɖo ɣesiaɣi le nyayɔyɔa me, ne menye nenema o la, adze abe ɖe wòxɔ asi wu le eƒe lolome ƒe akpa sue aɖe nu eye wòxɔ asi wu le kilogram nu na nu ma ke.

Flatness kple Surface Fiber ƒe Ʋuʋu

Anyigba ƒe lɔlɔ̃ ɖe edzi xɔa gbadzaƒe, zi geɖe la, FF/FL alo 3 m dzɔdzɔe, kpakple anyigba ƒe nyonyome. Agbɔsɔsɔme si sɔ, ƒuƒu gã kple nuwuwu megbe katã tua ka yia edzi eye wowɔa ɖa. Fix la menye fibre si mesɔ gbɔ o ke boŋ dziɖuɖu etɔ̃e nye: na slump nanɔ 140 va ɖo 180 mm, dze ŋusẽ gɔme le tsia dzi enumake le ʋuʋu vɔ megbe, eye dry-shake hardener le afisi wòhiã. Woate ŋu aŋe ka ​​si woɖe ɖe go xoxo la ɖe megbe, gake ne wotutu wu milimeta 3 la, eɖea nusi do la ƒe akpa aɖe ɖa. Le nudzraɖoƒe siwo wowɔna le wo ɖokui si siwo hiã be woanɔ gbadzaa ŋutɔ gome la, lé agbɔsɔsɔme si woatsɔ awɔe ɖe kg/m3 30 alo esi mede nenema o eye nàdi ka nyui si ƒe lolome nye milimeta 0.55.

Forklift kple Racking Loads: Point Load Dziɖuɖu

Agba si wobuna nu tsɛe wu le dɔwɔƒewo ƒe anyigbae nye agbatsɔkeke. Lɔri si ƒe kpekpeme nye t 3 kpe ɖe agba bliboa ŋu toa tasiaɖamfɔ ene dzi, eyata tasiaɖamfɔ ɖeka ate ŋu atsɔ t 4 va ɖo 6 le sentimeta sq blaeve vɔ ʋɛ aɖewo dzi. Zi geɖe la, teƒea ƒe bɔbɔ tso agba ma dzi wu agba si sɔ la ƒe ŋusẽkpɔɖeamedzi. Racking nye nusi gbɔ eme wu: ene tsi tre ɖe bay ɖesiaɖe, ɖesiaɖe si wowɔ na t 10 kple edzivɔ. Eyata ele be woalé ŋku ɖe ŋusẽdodo kple agbɔsɔsɔme si woatsɔ awɔe ŋu le teƒe ƒe agba si vɔ̃ɖi wu nu, ke menye subɔsubɔ ƒe agba si le mama dedie nu o. Esia tae nudzraɖoƒe ƒe anyigba si wowɔna le wo ɖokui si ƒe asi wu 30% wu fiase gbadza si wozãna ɖaa si le nuto ma ke me.

Ƒunukpeƒeawo Steel Fiber Mate Ŋu Aɖɔli O

Nugɔmesese totro si bɔ wu le dɔwɔƒewo ƒe anyigbae nye be woabu gakpo ƒe ka be enye susu si ta woadzo le aŋe ƒe lãɖeɖe dzi. Fiber doa ŋutete kple sesẽme le gbagbã megbe ɖe dzi, enaa gbagbãƒewo nɔa nyuie wu, woƒe ʋuʋu nɔa blewu eye woʋuna blewu, gake mexea mɔ na kɔnkrit be wòagaɖe o, eyata ele kokoko be woalã ƒunukpeƒe ɖesiaɖe si hiã. Nusi wowɔna ɖaa enye aŋe si wotso ɖe sɔti ƒe ʋuƒoa dzi le dometsotso si ade meta ade me, le xɔgbakpea ƒe titrime ƒe akpa enelia ƒe goglome; shallower meʋãa gbagbãƒea o eye goglo wu nana akpaa gbɔdzɔna. Ƒuƒoƒo siwo ɖea wo ɖokui ɖe aga la nye esiwo ƒo xlã sɔtiwo, gli ƒe dzogoewo kple dɔwɔnuwo ƒe gɔmeɖoanyiwo, afisi mɔxexeɖedɔléle nu ƒoa ƒu ɖo eye ka ƒe agbɔsɔsɔme aɖeke mate ŋu axe fe ɖe eta o. Woŋlɔa nu ɖeka be edziedzi: ele be woaɖe kpe gbadzɛa ɖa tso gli siwo le gota kple anyigbaxɔdzowo gbɔ, ne menye nenema o la, gli la axe mɔ na kpe gbadzɛa, alesi wotsoe la atrɔna le bliboe eye gbagbãƒea adze le ʋuɖoƒe aɖe titina. Dry-shake hardener hiã eya ŋutɔ ƒe mɔfiame. Woɖea nusiwo woƒo ƒu la ɖe go hafi woɖonɛ zi gbãtɔ be wòanye kilogram 3 va ɖo 5/m2; kaba akpa eye wònyrɔna, etsi megbe akpa eye mabla ɖe wo nɔewo ŋu o. Forklift point load nye didime si to vovo. Fiber naa punching ŋutete nyona ɖe edzi, gake womate ŋu aƒle slab ƒe titrime le tasiaɖamfɔwo ƒe agba siwo me woƒo ƒu ɖo te ne wozã agbɔsɔsɔme o; 150 mm gogo seɖoƒe si le agbatsɔʋu si ƒe kpekpeme nye tɔn atɔ̃ te xoxo, eye nusianu si le tsɛ wu la hiã na nutoa me ƒe ʋeʋẽ alo gakpo ƒe agbalẽvi. Anyigbawo kpɔa dzidzedze alo doa kpo nu le ƒunukpeƒewo ƒe ɖoɖo, gɔmeɖoanyi ƒe gbadzaƒe kple ŋkeke adre gbãtɔ siwo wotsɔ daa gbe le wo ŋu me sɔ gbɔ sã wu agbɔsɔsɔme si wota ɖe akploa dzi.

Nu Atɔ̃ Siwo Ele be Dzisasrã Ŋuti Nyabiase Nagblɔ

Steel fiber biabia na anyigba xɔa nyayɔyɔ siwo sɔ ne egblɔ nu atɔ̃: slab ƒe titrime kple panel ƒe lolome, design loads (uniform plus maximum point load), subgrade type kple modulus of subgrade reaction, dosage alo volume fraction, kple dzidzenu si dzi woaɖo. Ele be dɔ siwo woawɔ atsɔ ayi duta nayɔ ASTM A820 alo EN 14889-1. Nusi buna zi geɖe enye subgrade reaction ƒe modulus, eye eya tututue tsoa nya me nenye be slab la ate ŋu anɔ tsɛ wu. Be woalé ŋku ɖe dɔa ƒe agbɔsɔsɔme ŋutɔŋutɔ ƒe aɖaŋuɖoɖowo kple wo babla ŋu la, dɔwɔƒewo ƒe anyigba ƒe akpa si le gakpo ƒe ka ƒe nuwɔna ƒe axa dzi yɔa agbɔsɔsɔme si wokafu kple agba ƒe lolome siwo trɔna tẽ zua nugoewo ƒe agbɔsɔsɔme.