Mun na nɛgɛ fibre min bɛ kɛ ni nɛgɛ ye min bɛ kɛ ni nɛgɛ ye, o bɛ fanga sɔrɔ: Kɔlɔsi kelen ka mekanikiniw

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Zuwɛnkalo tile 15, san 2012

Ni a cɛmancɛ ni a janya ye kelen ye, fiɲɛ min sirilen bɛ a dakun fila bɛɛ la, o bɛ jɛɲɔgɔnya don 40% ɲɔgɔn na ka tɛmɛ tilennen ta kan. O bɔgɔdaga bɛ sɔgɔsɔgɔninjɛ dɔ tigɛli kɛ sɔgɔsɔgɔninjɛ ye ka fara masinw jɔli kan.

Hook ye Anchorage ye, a tɛ Decoration ye

Ka nɛgɛbere sama ka bɔ bɛton na, o kɔrɔ ye ka se sɔrɔ fɛn fila kan: ɲɔgɔndan ni ɲɔgɔn cɛ ɲɔgɔndan ani masinw ka ɲɔgɔn cɛ. Fibre tilennen bɛ ni sɔgɔsɔgɔ dɔrɔn de ye, o la a bɛ daminɛ ka sɛgɛn ni degun dɔgɔman ye. Fiɲɛ min sirilen bɛ a dakun fila bɛɛ la, o ka kan ka fɔlɔ k’a jɛgɛnw tilennen to a bɛ sɛgɛn tuma min na, wa o bɛ fanga wɛrɛ ta, o la, o samali bɔli kelen in na, a bɛ doni caman ta. O de ye gundo bɛɛ ye : jɛgɛn bɛ sɔgɔsɔgɔninjɛ-yɔrɔ dɔ sɛmɛntiya ka kɛ sɔgɔsɔgɔli ye ka fara ankɔri kan. O kɔrɔ fana ye ko jɛgɛminɛ jateminɛ, o kɔrɔ ye ko jɛgɛ janya, a kɛrɛ ani a janya, a nafa ka bon ka tɛmɛ fiɲɛ cɛmancɛ kan, wa jateminɛ ye fɛn ye tigitigi min bɛ bɔ fɛn sɔngɔ gɛlɛn na.

40% Bond Danfara bɛ Bɔ yɔrɔ min na

K’a fɔ ko fibre hooked bɛ siri 40% ɲɔgɔn na ka ɲɛ ka tɛmɛ fibre straight kan, o ye sɛgɛsɛgɛli jaabi ye min bɛ bɔ kɛnɛma, a tɛ feereli ye. Matirisi kelen in na, o yɔrɔ kelen na, fiɲɛ tilennen dɔ bɛ se a dan na ni sɛgɛn ye milimɛtɛrɛ kelen ɲɔgɔn na, ka sɔrɔ ka jigin kosɛbɛ, k’a sɔrɔ fiɲɛ min sirilen don, o bɛ a kuncɛ sanfɛ ka jigin nɔgɔya la. Jiginni nɔgɔman kɔrɔ ye fanga caman sɔrɔli ye sani a ka dɛsɛ, o min bɛ kalan yɔrɔ la ko a karilen don nka a jɔlen don. O de y’a to tunnel shotcrete, baara minnu bɛ se ka fiɲɛbɔ ani minnu bɛ dugukoloyɛrɛyɛrɛ, olu bɛ baara kɛ ni fibre hooked (fibre hooked) ye, a bɛ se ka fɔ ko u dɔrɔn de bɛ baara kɛ ni u ye: u mago bɛ deformation capacity (deformation capacité) la sani u ka dɛsɛ, u mago tɛ compressive force (degun fanga) la min ka bon.

0,55, 0,75 ani 1,0 mm: A janya sugandili

Diamètre saba, baara saba. Ni milimɛtɛrɛ 0,55 ye, fiɲɛ bɛ fin fo ka se a ɲɛda hakɛ ma min bɛ tɛmɛ 60 kan, o bɛ bɛn kogo finmanw ma, u yɛrɛ ka ɲagami ɲagaminenw na ani a tata hakɛ caman. Ni milimɛtɛrɛ 0,75 ye a ye fɛn bɛɛ lajɛlen hakɛ ye duguma, bridge deck overlays ani precast beams. Ni milimɛtɛrɛ 1,0 ye a bɛ doni caman ta fiɲɛ kelen na, jama bɔnnaw kama, duguma minnu ka gɛlɛn ani ko minnu na barajuru belebeleba dɔ bɛ wuli ka bila u nɔ na. Sariya min man bon o ka fisa nka yɔrɔ jɛlen don: fiɲɛ janya ka kan ka to yɔrɔ jɛlen fitinin tilancɛ fila ɲɔgɔn jukɔrɔ, n’o tɛ fiɲɛw bɛ bridge ani arch bila a bilali waati. Milimɛtiri 150 sɔgɔlan kan, sanfɛla ni duguma nɛgɛ bɛ min na, a ka ca a la, yɔrɔ jɛlen bɛ kɛ milimɛtɛrɛ 60 fo 80 dɔrɔn ye, yɔrɔ min na milimɛtɛrɛ 50 janya milimɛtɛrɛ 0,75 fiyɛri bɛ baara kɛ ka ɲɛ ka tɛmɛ milimɛtɛrɛ 60 janya milimɛtɛrɛ 1,0 fiyɛri kan.

30, 35, 50 ani 60 mm: Janya bɛ tugu ɲɔgɔndanba la

Janya tɛ sugandili ye min bɛ kɛ a yɛrɛma. Ni a bɛɛ lajɛlen ye milimɛtɛrɛ 20 ye, a ka c’a la, fiɲɛ janya bɛ kɛ milimɛtɛrɛ 30 fo 40 ye; milimɛtɛrɛ 10 faralen ɲɔgɔn kan a bɛ se ka taa milimɛtɛrɛ 50 walima 60 ma. O kun ka nɔgɔn: fiyɛri ka kan ka kɛ a bɛɛ lajɛlen bonya siɲɛ saba ɲɔgɔn ye walasa ka fɛnɲɛnamafagalanw ni ɲɔgɔn cɛ, nka ni a ma bɛn yɔrɔw ma tugun, a bɛ bolokuru. Shotcrete ye o danfara ye. Fiɲɛ minnu bɛ fiɲɛbɔlan na, olu ka kan ka bin ni fiɲɛ ye, o la milimɛtɛrɛ 20 fo 30 ye ko ye min bɛ kɛ cogo la; fibre jan bɛ ye ka dɔ fara rebound kan.

Ja tɛmɛnen tan: Mun na fanga bɛ minɛ 800-1150 MPa la

Nɛnɛ bɛ sama ka bɔ nɛgɛ min na, o bɛ fanga sɔrɔ baara gɛlɛya fɛ. Bere bɛ tɛmɛ die tan ni kɔ tugu-tugu ɲɔgɔn na, sumanw bɛ janya ani ka nɔgɔya aksidan sira fɛ, fanga bɛ wuli ni tɛmɛni kelen-kelen bɛɛ ye ani ductility bɛ bin. Tɛmɛsira ka dɔgɔ kojugu ani fanga tɛ se abada; caman kojugu ni cɛmancɛ sɔgɔli tɛ ani nɛgɛ bɛ wuli ka kari ani ka sɔgɔsɔgɔ saba kɔfɛ. Layini sabatilen bɛ fanga caman ɲɔgɔnna minɛ 5% jukɔrɔ ani ka garanti di ko a tɛna kari kɔsegin saba kɔfɛ. O jateden fla ninnu bɛ fɛn caman Fɔ taabolo kɔlɔsili kan ka Tɛmɛ fanga tɔgɔlama kan, bari u bɛ kari hakɛ Fɔ ɲagami waati la. Fiɲɛ karilenw bɛ fɛnw tiɲɛ ani ka jirisun surunw to minnu ma siri, minnu tɛ foyi barika bonya.

30-80 kg/m3 ani dan lakika min bɛ kɛ ka ɲɛsin mesɛri caman cili ma

Nɛgɛdaga bɛ se ka kɛ nɛgɛso weldalen nɔ na nka a tɛ se ka kɛ jɔli barika bonya ye, wa layini ka kan ka fɔ ka jɛya. Mesh bɛ funteni ni dɔgɔyali karilenw kɔlɔsi, o min ye barikadon filanan ye; nɛgɛ fiyɛri ni a hakɛ bɛ bɛn ɲɔgɔn ma, o bɛ fɛn saba bali ka ɲɛ ani ka sirili, danfaralanw ani jɔyɔrɔfa baara bɔ. Nka nɛgɛba min bɛ tension (janya) min bɛ jirisunw na, kolonw ani jirisunw na, o tɛ se ka bɔ, bawo fiɲɛ min ɲɛsinnen don k’a sɔrɔ a ma kɛ cogo si la, o ka baara ka dɔgɔ kosɛbɛ ka tɛmɛ bara ɲɛsinlen kan. Bɛɛnkansɛbɛn min bɛ kɛ tuma bɛɛ, o ye ka sanfɛla nɛgɛdaga falen ni fiɲɛ ye, ka duguma nɛgɛba mara, walima ka barajuru cɛmancɛ dɔgɔya ni milimɛtɛrɛ kelen walima fila ye kilogaramu 30 fo 80 kilogaramu/m3 hakɛ kɛrɛfɛ.

Kɔlɔsili kɛcogo: Aw bɛ a kɔrɔta, k’a suman, k’a kari

Nɛgɛ min bɛ kɛ ni nɛgɛ ye, o bɛ nɛgɛ fiyɛri suguya fanba minɛ, nka nɛgɛ ni jɛgɛminɛ tɛ kelen ye. Waleya saba b’a sigi yɔrɔ la walima misali so kɔnɔ. Fɔlɔ, aw bɛ a biri: aw bɛ fiɲɛ tan ta, ka jiribolo dɔ tilennen to ni pikirijikɛlan ye ka a bila, o la, jiribolo ka kan ka segin ka wuli ka tɛmɛ a cogo fɔlɔ tilancɛ kan. Spring-back jugu kɔrɔ ye ko nɛgɛ in ka yield-to-tensile ratio ka bon kojugu, o la, nɛgɛso bɛ tilennen kɛ ɲagamikɛlan kɔnɔ ka don bɛton kɔnɔ i n’a fɔ nɛgɛ gansan. Filanan, sumanikɛlan : a ka c’a la, jɛgɛminɛ janya bɛ kɛ nɛgɛ cɛmancɛ ye siɲɛ fila fo siɲɛ saba, a kɛrɛ bɛ kɛ degere 45 walima 90 ye, wa a dakun fila bɛɛ bɛ se ka ɲɛsin cogo kelen na walima cogo wɛrɛ la, nka batɛmu ka kan ka kɛ kelen ye. Caliper tan fibres; ni a jɛnsɛnna ka tɛmɛ kɛmɛsarada la tan kan jɛgɛ janya la, o kɔrɔ ye ko foroko dilanw bɛ don. Sabanan, kari: fibre ductile bɛ kɔw kɛ sani a ka tila, fibre brittle bɛ sɔgɔsɔgɔ ka fla, ani kari fla bɛ a jira ko flexural toughness jugu. A ka c’a la, kunnafoni kelen de bɛ to yen. Nɛgɛdaga bɛ kari fɔlɔ a kurulen na, o la aw bɛ jiribolo dɔ wuli ka yeelen bɔ; kunsigi dibiman fitiniw kɔrɔ ye ko jɛgɛ in dabɔra k’a sɔrɔ a ma segin a kan ani sɔgɔli bɛna daminɛ yen kɔgɔ fiyɛli la. Tuma jumɛn na, nɛgɛso ye sugandili jugu ye? Bɛton fiyɛlen na, jɛgɛw bɛ minɛ mesh kan ani ka bolo kɛ ka taa sanfɛ ka sɔrɔ aspect ratio dan ye kaban, o la wire min bɛ wuli, o bɛ balo ka ɲɛ. Bɛton yɛrɛ-sɔgɔlen na, jibɔba bɛ ankɔri nafa yɔrɔ dɔ tiɲɛ. Sugandili tɛ fiɲɛ barikama ye, a bɛ tali kɛ min na min tɛ gɛlɛyaw lase o bilali fɛɛrɛ ma. Ni aw bɛ kuma ni nɛgɛ fiyɛri feerela dɔ ye kaban, aw bɛ fiɲɛ tan ci u ma ka sɔrɔ ka spring-back ni break suguya ɲini sani aw ka sanni yamaruya ci; feerekɛla min tɛ se ka jaabi di o kumasenw na, o bɛ feere sɔngɔ dɔrɔn de kan.

Inspecting Hooks on Delivery: Waleya saba

Kɔnɔw sɛgɛsɛgɛli mago tɛ minɛn si la. Fɔlɔ, aw bɛ bolokɔni dɔ fili ka lamɛnni kɛ: bololanɛgɛ jɛman kɔrɔ ye ka a faga ka ɲɛ, ni mankan dunni ye, o kɔrɔ ye ko nɛgɛ nɔgɔlen. Filanan, aw bɛ jɛgɛminɛ janya ni a kɛrɛ suman fiɲɛ tan kan ni kalifa ye; fɛnɲɛnamafagalan surunw walima minnu man dun, olu bɛ tilennen to joona doni kɔrɔ. Sabanan, aw bɛ fiɲɛ kelen kuru siɲɛ fila ka kɔsegin siɲɛ saba; ni a sɔgɔra, o fɛn bɛ kari. O fɛɛrɛ saba kɛlen kɔfɛ, aw bɛ batɛmu rapɔɔri lajɛ ka kɛɲɛ ni sɔgɔli fanga ni cɛmancɛ muɲuli ye ani gɛlɛya caman bɛ filɛri kɛ. Walasa ka misali ni modɛli suma ɲɔgɔn na, nɛgɛ fiyɛri fɛn dilannen ɲɛ bɛ a cɛmancɛ, a janya, a ɲɛda hakɛ ani a sɔgɔli hakɛ sumanilenw jira kalasi kelen-kelen bɛɛ la, o bɛ se ka kɛ sɔnni basigilen ye k’a ɲɛsin a ma.