Steel Fiber le Precast Concrete: Demoulding, Kɔkɔe kple Gli Tsɛwo

Nu

June 15, 2015

Numiemie si wowɔ do ŋgɔ medi be ŋusẽ si lolo wu nanɔ ye si o, edi be yeaɖe aŋɔa ɖa egbea. Mɔxenu etɔ̃, demoulding ɣeyiɣi, lifting points kple gli ƒe titrime, tso nya me le fiber la ŋu.

Nusi Numiemie Si Wowɔ Do Ŋgɔ Di Be Yeaɖee Egbea

Teƒe siwo wotsɔa wo ƒua gbe ɖe teƒea tsɔa ɖe le ŋusẽ mamlɛtɔ me; numiemie siwo wowɔ do ŋgɔ tsɔa ɖe le woƒe asitɔtrɔ me. Strip ɖeka gbesiagbe tsɔ wu ɖeka le ŋkeke eve ɖesiaɖe me dzia ŋutete ɖe edzi zi gbɔ zi eve eye wòtrɔa alesi woxɔa numiemiewo ƒe asixɔxɔ dzi ɖeɖe kpɔtɔ kple dɔwɔlawo. Eyata zi geɖe la, taɖodzinu gbãtɔ si le gakpo ƒe ka ŋu le precast me enye be wòate ŋu anɔ te ɖe gbagbã nu kaba tsɔ wu be wòate ŋu agbãe mlɔeba, eyata woate ŋu akɔ nu aɖe ɖe dzi, atrɔe ahaɖee le eŋu esime kɔnkrit la gakpɔtɔ nye ɖekakpui evɔ womatsɔe aƒu gbe le dzogoeawo dzi o. Ema hã ɖe nusita numiemie siwo wowɔ do ŋgɔ la sea veve ɖe kaka nu wu alesi woate ŋu ahe woe me: ka ƒe bɔl ɖeka ate ŋu aɖe dzogoea ɖa le element aɖe ŋu le eɖeɖe me.

Ŋusẽdodo Gbãtɔ Kple Ɣeyiɣi si Wotsɔ Ðea Nu le Ame Ŋu

Ɣeyiɣi si woatsɔ aɖe nu ɖa kplɔa ŋusẽ gbãtɔ ɖo, zi geɖe la, 50% va ɖo 70% le aɖaŋuwɔwɔ me. Ga ƒe ka medoa ŋusẽ si woate ŋu aƒoe ɖe dzi kaba, si nye siminti kple dɔyɔyɔ o, gake edoa ŋusẽ si woate ŋu ahe kabakaba ɖe dzi, si nye mɔɖeɖe ɖe nutete alo ŋeŋe ŋu le eɖeɖe me. Le nuwɔna me la, woate ŋu aɖe element si me ka 30 va ɖo 40 kg/m3 le gaƒoƒo ene va ɖo enyi do ŋgɔ le dɔyɔyɔ ma ke te, alo woate ŋu aɖee le ŋkeke ma ke dzi kple dzogoe ƒe gbegblẽ ƒe agbɔsɔsɔ si bɔbɔ wu sã. Le gli tsɛwo gome la, vovototoa lolo wu.

Teƒe Siwo Wokɔa Nu Le: Fibre Mexɔa Ðe Kɔkɔe ƒe Kawo Teƒe O

Nukpɔsusu totro si me afɔku le enye be gakpo ƒe ka ɖea alesi wòhiã be woatsɔ ka akɔe ɖa. Kɔklɔ wɔa ŋusẽ si ƒo ƒu, eye kɔnkrit si ƒo xlã teƒea le teƒea ƒe bearing kple punching shear me. Fiber nana punching sesẽna nyona ɖe edzi gake mate ŋu axɔ ɖe cast-in loops alo kɔklɔ dowo teƒe o. Na teƒe siwo wokɔa nu le la nanɔ anyi, eye nàna ka naƒo ɖe teƒea alo nàtsɔ lãgbalẽ akpe ɖe wo ŋu. Nya ɖeka trɔna: nuteɖeamedzi si kɔa nu le fiber kɔnkrit me la sɔ wu, eyata teƒewo ate ŋu anɔ anyi ɖe gota vie wu le kɔnkrit gbadzaa me, gake ne wolé ŋku ɖe eŋu vɔ hafi, eye menye ŋku dzi gbeɖe o.

Gli Tsɛwo: 0.12-0.3 mm Micro Wire koe Susu Le

Le gli ƒe titrime si ade milimeta 60 te la, ɖeko gakpo dzrowo mesɔna o. Ka si ƒe didime nye milimeta 50 si le gli si ƒe didime nye milimeta 40 me keke akpa bliboa katã, mewɔa akpa etɔ̃ ƒe kadodo aɖeke o, eye wotutuae ɖe anyigba le ʋuʋudedi me. Afi siae micro wire si mexɔ dzo o wɔa dɔ le: 0.12 va ɖo 0.3 mm ƒe didime, 6 va ɖo 20 mm ƒe didime, 2000 va ɖo 2850 MPa tensile strength. Micro ka wɔa network dense le akpa tsɛ aɖe me, si doa gbagbã ƒe tsitretsitsi ɖe dzi evɔ megblẽa nu le wɔwɔme ƒe nyateƒetoto ŋu o. Atsyɔ̃ɖonuwo, ɣe ƒe keklẽŋusẽtikewo kple UHPC-kpa tsɛwo katã nye afisia tɔ.

Glued Bundles: Afisi 40% Kaka Viɖe Tsona

Ka si me mekɔ o gena ɖe mixer la me le ƒuƒoƒo me eye wònɔa te ɖe mixer la dzi be wòama wo dome; nusi mamã o la va zua bɔl. Wotsɔa nusi wotsɔ léa nu ɖe ​​tsi me blaa ka si wotsɔ aŋe blae ɖe fli me le eƒe didime nu. Wotsɔa nuɖuɖu naa fli la abe nu ɖeka ene, aŋea ƒuna le sɛkɛnd 30 va ɖo 60 me, eye ka ɖesiaɖe ma ɖekaɖeka. Wodzidze ɖekawɔwɔ nyo wu 40% wu loose fiber eye balling ƒe tsɔtsɔme ɖiɖina ŋutɔ. Exɔa ga geɖe wu vie le tɔn ɖeka me, gake le gli tsɛwo, agbɔsɔsɔme si sɔ kple kɔkrit si ƒe mo le blɔ gome la, ga si woxena ɖe eta la bɔbɔ kura wu ga si woatsɔ awɔ xɔtunu ɖeka si wogbe.

UHPC Kple RPC: Nusita Wotsaka Ka Ƒomevi Eve Zi geɖe

Ultra-high performance matrices nye dense ŋutɔ, kple aggregate milimeta ʋee aɖewo ko eye porosity le sue ŋutɔ. Le matrix ma me la, gakpo ƒe ka naa tɔdzisasrã si le gbagbã megbe, evɔ plastic ƒe gbagbã ƒe gbagbã dzɔna do ŋgɔ eye wòhiã ka si nyo wu. Eyata zi geɖe la, UHPC tsakaa gakpo kple ka si wotsɔ lãgbalẽ wɔe: gakpo si ƒe lolome nye 1% va ɖo 3% hena agbatsɔtsɔ, gakpo si wowɔ le 1% va ɖo 3% hena gakpo ƒe tsɔtsɔ dzi kpɔkpɔ kaba eye be wòaɖe bɔmb ƒe ʋuʋu dzi akpɔtɔ le dzoxɔxɔ gã me. Ka si wotsɔ lãgbalẽ wɔ ƒe kpekpeme nye 1.41 g/cm3 ko, metsɔa kpekpeme aɖeke kpena ɖe nusi le eme ŋu o, eye le 99% me la, alkali ƒe tsitretsitsi nɔa te sesĩe le alkali sesẽ ƒe siminti matrix me.

Moulds, Release Agents kple Steam Curing: Etɔ̃ Siwo Bu Ɣaɣla le Precast me

Aŋɔ ƒe agbenɔƒe le gakpo ƒe ka si wowɔ do ŋgɔ dzi nɔa kpuie wu le kɔkrit gbadzaa dzi le alafa me alafa memama blaetɔ̃ va ɖo blaatɔ̃, le susu bɔbɔe aɖe ta: kawo ƒoa aŋɔa ƒe gli ne ele ʋuʋum heɖea aŋɔ ɖa, eye ka si wotsɔ kɔsɔkɔsɔ blae la wɔa dɔ abe aŋɔ suesuesuewo ene. Dzidzenu etɔ̃ mee woɖea eƒe vuvu le. Gbã la, mègaɖe gazazã dzi kpɔtɔ le tsidzadza me o, ne mede ɖeke o la, 1 le 20 ɖesiaɖe me na akpa siwo goglo eye 1 le 15 ɖesiaɖe me na gli tsɛwo. Evelia, tia nusi ɖea ami si wɔa film tsɔ wu ami, elabena film nana mɔxenu si nɔa gli kple nusi wotsɔ ƒoa ami dome ɖaa esime wole ami ƒom le afisi tututu ka aɖe te ɖe eŋu le. Etɔ̃lia, trɔ ɖe high frequency low amplitude vibration ŋu eye nàna poker la nadidi milimeta 50 ya teti tso aŋɔa ƒe mo gbɔ ale be kaawo nagaƒo ƒu ɖe afima o. Viɖe tɔxɛ aɖe kpena ɖe ka siwo wotsɔ aŋe blae ŋu le afisia: agbɔsɔsɔme si wodona ɖe bablawo me xea mɔ na woƒe ʋuʋu le wo dada ƒe afɔɖeɖea me, enaa mama ƒe ɖekawɔwɔ nyona ɖe edzi abe alafa memama 40 ene, eye wòɖea teƒea ƒe agba si gbɔ eme si le aŋɔa dzi la ɖa. Dzoxɔxɔ ƒe dɔyɔyɔ hiã dzoxɔxɔ ƒe amehehe, megasẽna kabakaba wu Celsius dzidzenu 20 le gaƒoƒo ɖeka me le mɔdodoa dzi o, woalée ɖe te le Celsius dzidzenu 60 te, eye wòaɖiɖi blewu nenema ke. Akpa siwo ƒo ƒu wu kple esiwo le tsɛ la naa anyigba ƒe gbagbãƒe nyui siwo le ka ƒe nuwuƒewo tututu, si bia be womate ŋu age ɖe eme o ƒe hatsotso ɖeka. Woate ŋu atsɔ demoulding ava ŋgɔe, gake kɔklɔ mate ŋui o: fiber naa flexural behavior kple toughness nyona ɖe edzi, ke menye compressive strength kaba o, eyata lifting loops kple lifting points katã nɔa anyi. Le precast concrete steel fiber dzrala gome la, biabia si ŋu viɖe le menye asi si woatsɔ aƒle tɔn ɖeka o ke boŋ demolding ɣeyiɣi si woaka ɖe edzi le nuŋɔŋlɔ me na wò akpaa ƒe titrime, elabena xexlẽme ma ɖoa aŋɔ ƒe xexlẽme eye le esia ta ewɔwɔ ƒe ɖoɖo bliboa.

Dɔwɔƒe si Wowɔ Do Ŋgɔ ƒe Nuƒleƒewo ƒe Ŋkɔwo

Nuƒle si wowɔ do ŋgɔ la me kɔ wu nuƒle le teƒea: gli ƒe titrime kple dometsotso si me kɔ suetɔ kekeake, ɣeyiɣi si woatsɔ aɖe nu ɖa, ne moa ƒe mo le dzɔdzɔe, nenye be wozãa dzoxɔxɔ ƒe dɔyɔyɔ, kple nenye be EN 14889-1 hiã be woatsɔ ayi duta. Dzoxɔxɔ ƒe dɔyɔyɔe nye nusi toa ame ŋu zi geɖe: ne ewu 60 C la, akɔbli si wotsɔ blae ƒe liƒo kpɔa ŋusẽ ɖe edzi, eye ele be ka si mexɔ dzo o naxɔ nɔƒe gbãtɔ. Be woasɔ kple dzesiwo kple agbɔsɔsɔme si wokafu le element ƒomevi nu la, gakpo ƒe ka ƒe nuwɔna ƒe axa ƒe akpa si wowɔ do ŋgɔ la yɔa nɔnɔme siwo sɔ, siwo dometɔ aɖewoe nye didime kple didime ƒe didime na dzesi siwo wotsɔ glue wɔ kple micro wire si mexɔ dzo o.