Wetin Mek Wan Hɔk-Ɛnd Stilin Fayba De Dominate: Di Mɛkaniks fɔ Wan Huk

Atikul

Jun 15, 2012

pan di sem dayamita εn lεngth, wan fayv we dεn huk na di tu εnd dεm de divεlכp roughly 40% mכr bon pas wan strεt wan. Di huk de tɔn wan frikshɔn intafɛs to frikshɔn plus mɛkanikal ankɔrej.

Wan Huk Na Ankɔrej, Nɔto Dekɔreshɔn

Fɔ pul stɛl fayba kɔmɔt na kɔnkrit min fɔ win tu tin dɛn: intafays frikshɔn ɛn mɛkanikal intalɔk. Wan stret fayv gɛt frikshɔn nɔmɔ, so i kin bigin fɔ slip we i nɔ strɛs. Fayba we dɛn huk na di tu ɛnd dɛn fɔs fɔ stret in huk dɛn we i de slip, ɛn dat kin tek ɛkstra ɛnaji, so we i pul am kɔmɔt na do i kin kɛr mɔ lod. Dat na di ɔl sikrit: di huk kin chenj wan frikshɔn intafɛs to frikshɔn plus ankɔrej. I min bak huk jɔyometri, we min huk lɔng, angul ɛn rayus, impɔtant pas fayv dayamita, ɛn jɔyometri na di rayt tin we di chip prɔdak nɔ de du.

Usay di 40% Bond Difrɛns Kɔmɔt

Di klem se huk fayba de bon lɛk 40% bɛtɛ pas stret fayba na pul-ɔut tɛst rizɔlt, nɔto makɛt. insay di sem matris na di sem εmbadmεnt, wan strεt fayv de pik na lεk wan milimita slip εn afta dat i de dכp shap shap, we wan fayba we huk huk de pik hכy εn dכn mכr jכnt. If yu go dɔŋ saful wan min se yu go tek mɔ ɛnaji bifo yu nɔ wok, we na di sayt kin rid lɛk se i krak bɔt i tinap. Na dat mek tanɛl shotkrit, blast-resistant wok ɛn seismik ɛlimɛnt dɛn de yuz huk fayba ɔlmost ɔlsay: dɛn nid difɔmeshɔn kapasiti bifo dɛn fel, nɔto ay kɔmpreshɔn trɛnk.

0.55, 0.75 ɛn 1.0 mm: Fɔ pik di Dayamita

Tri dayamita, tri wok. na 0.55 mm di fayv fayn inof fכ aspek rεshכn dεm we pas 60, we de suit tכn wכl dεm, sεlf-kכmpakt miks dεm εn hכy dכz. Na 0.75 mm na di jenɛral-pɔpɔs gred fɔ flo, brij dɛk ɔvlay ɛn prɛkas bim. Na 1.0 mm i de kɛr di mɔs lod pan wan fayv, fɔ mas pɔr, ebi ebi flo ɛn kes dɛm usay dɛn de riples wan tik bar. di rul nכ tik bεtε bכt klia spays: di fayv lεngth fכ de כnda lεk tu tכd pan di minim klia distans, כdasay di fayv dεm brij εn arch we dεn de put am. pan 150 mm slab wit tכp εn bכtכm mεsh, klia spεs kin bi כnli 60 to 80 mm, usay 50 mm lכng 0.75 mm fayv de wok bεtε pas 60 mm lכng 1.0 mm fayv.

30, 35, 50 ɛn 60 mm: Lɛngth de fala Maksimal Agreget

Lɛngth nɔto indipɛndɛnt choice. wit 20 mm maksimal agreget, di fayv lεngth kin bi 30 to 40 mm; dכn 10 mm agregεt i kin go to 50 כ 60 mm. di rizin simpul: wan fayv nid fכ bi lεk tri tεm di agrεgεt saiz fכ brij bitwin patikyula dεm, bכt wans i nכ fit di gap dεm igen i de bכl. Shotcrete na di ɛksɛpshɔn. di fayv dεm na di nכzl fכ tכmbl wit di ay strim, so 20 to 30 mm na nכmal tin; lכng fayv de inkrεs di ribaund we wi kin si.

Tɛn Draw Pas: Wetin Mek Strɔng De Hol na 800-1150 MPa

Waya we nɔ gɛt bɔku kabɔn we dɛn kin drɔ wit kol kin gɛt trɛnk tru di wok we dɛn kin du fɔ mek i at. Di rod de pas pas tɛn kɔnsɛkutiv day, gren dɛn de lɔng ɛn rifin along di aks, trɛnk de klaym wit ɛni pas ɛn daktiliti de fɔdɔm. Tumɔs pas ɛn trɛnk nɔ de ɛva kam; tumɔs we nɔ gɛt intamɛdiet anilin ɛn di waya de tɔn brit ɛn snap afta tri bɛnd. wan stebul layn de ol strכng vεryushכn כnda 5% εn i de gεrant se nכ brεk afta tri rivεs bεnd dεm. Dɛn tu nɔmba dɛn de se mɔ bɔt prɔses kɔntrol pas di nominal trɛnk, bikɔs dɛn de prɛdikt di brɛk rit we dɛn de miks. Fayba dɛn we brok kin west matirial ɛn lɛf shɔt shɔt stɔb dɛn we nɔ ankɔ we nɔ de mek natin strɔng.

30-80 kg/m3 ɛn di Rial Limit fɔ Riples Mɛsh

Stilin fayba kin tek ples fɔ wɛld mɛsh bɔt nɔto strɔkchɔral riinfɔsmɛnt, ɛn di layn fɔ tɔk klia wan. Mesh de kɔntrol tɛmpracha ɛn shrinkage krak, we na sɛkɔndari riinfɔsmɛnt; stεl fayba we i ikwal doz de gi bεtε tri-dimεnshכnal rεstrεshכn εn i de pul tay, spεshal εn posishכn leba. Bɔt dɛn nɔ kin ebul fɔ pul men tɛnsiɔn stɛl we de na bim, kɔlɔm ɛn slab sɔfit, bikɔs fayv we dɛn ɔriɛnt randomly nɔ kin wok fayn pas di bar we dɛn ɔriɛnt. di kכmכn kכmprכmis na fכ riples di tכp mεsh wit fayv, kip di bכtכm men stεl, כ ridyus di bar dayamita bay wan כ tu milimita alongsay wan 30 to 80 kg/m3 doz.

Aw fɔ Chɛk Huk: Bɛnd Am, Mɛzhɔ Am, Brek Am

Waya we gɛt huk ɛnd kin ol bɔku pan di strɔkchɔral stɛl fayba makit, bɔt huk nɔto di sem wit ankɔrej. Tri akshɔn dɛn kin sɛtul am na di sayt ɔ na di sampul rum. Fɔs, bɛn: tek tɛn fayv, stret wan huk wit pliers ɛn rilis, ɛn di huk fɔ spring bak to pas af pan in fɔs angul. Po spring-bak min se di waya gɛt tu ay yield-to-tensile ratio, so di huk de stret insay di miksa ɛn go insay di kɔnkrit as klin waya. Sɛkɔn, mɛzhɔ: di huk lɔng nɔmal wan tu to tri tɛm pas di waya dayamita, di angul na 45 ɔ 90 digri, ɛn ɔl tu di ɛnd dɛn kin fes di sem we ɔ difrɛn we, bɔt wan batch fɔ kɔnsistɛns. Kalipa tɛn fayv dɛn; wan spred pas tεn pasεnt in huk lεngth min se di fכm day dεm dεn dכn wear. Tɔd, brek: wan daktil fayba de nɛk bifo i pat, wan we brit de snap flat, ɛn we flat brɛk de prɛdikt po flekshɔnal tafnɛs. Bɔku tɛm, dɛn kin mis wan tin. Di kɔpa layt kin krak fɔs na di bɛnd, so rɔta wan huk agens di layt; faint dak hairlines min se di huk bin fכm we dεn nכ ri-pletin εn kכroshכn go stat de insay sכlt spεy. Ustɛm na di rɔng tin fɔ pik fɔ mek huk? Insay kɔnkrit we dɛn dɔn sprɛy di huk dɛn kin kech pan mɛsh ɛn bɔl ɔp we aspek rɛtɛshɔn dɔn ɔlrɛdi limited, so waya we dɛn wev kin it bɛtɛ. Insay sɛlf-kɔmpakt kɔnkrit di ay flɔ kin kansel pat pan di ankɔrej advantej. Selekshɔn nɔto bɔt di fayv we strɔng pas ɔl, na bɔt di wan we nɔ de mek prɔblɛm na da we de fɔ put am. If yu dɔn ɔlrɛdi de tɔk to wan huk we de gi yu wan ɛnd stɛl fayba, sɛn dɛn tɛn fayv ɛn aks fɔ di spring-bak ɛn di brek tayp bifo yu sɛn ɔda tin fɔ bay; wan spɔlayt we nɔ ebul fɔ ansa insay dɛn tɛm dɛn de, de sɛl pan prayz nɔmɔ.

Inspekshɔn fɔ huk dɛn we dɛn de gi: Tri Akshɔn dɛn

Fɔ inspɛkt huk dɛn nɔ nid ɛni inschrumɛnt. Fɔs, drɔp wan an ɛn lisin: brayt ring min fɔ kwɛnch fayn fayn wan, dɔl thud min saf waya. Sɛkɔn, mɛzhɔ huk lɔng ɛn angul pan tɛn fayv dɛn wit kalipa; shɔt ɔ shalɔ huk dɛn kin stret ali ɔnda lod. Tɔd, bɛn wan fayv dɛbul ɛn bak tri tɛm; if i snap, di matirial kin brok. Afta dɛn tri step dɛn de, chɛk di batch ripɔt agens tɛnsiɛl trɛnk ɛn dayamita tolɛreshɔn ɛn bɔku pan di prɔblɛm lɔt dɛn de filta aut. Fɔ kɔmpia mɔdel-bay-mɔdel, di stɛl fayba prodak pej de list dayamita, lɔng, aspek rɛsɛshɔn ɛn mɛzhɔ tɛnsiɛl valyu fɔ ɛni gred, we kin sav dairekt as akseptɛns beslayn.