Rebar bụ aha a na-ahụkarị maka ogwe nchara na-ekpo ọkụ na-ekpo ọkụ.Ọkwa nke igwe nchara na-ekpo ọkụ na-ekpo ọkụ na-enwe HRB na ebe kacha nta nke ọkwa ọkwa.H, R, na B bụ mkpụrụedemede Bekee izizi nke mkpụrụokwu atọ ahụ, Hotrolled, Ribbed, na Bars, n'otu n'otu.A na-ekewa ogwe nchara na-ekpo ọkụ na-ekpo ọkụ na ọkwa atọ: HRB335 (ọkwa ochie bụ 20MnS), HRB400 (ọkwa ochie bụ 20MnSiV, 20MnSiNb, 20Mnti) na HRB500.
Nchịkọta
Ogwe igwe na-ekpo ọkụ na-ekpo ọkụ nke ọma na-agbakwunye akwụkwọ ozi mbụ nke Bekee (Fine) nke "ezigbo" n'aha akara nke igwe na-ekpo ọkụ na-ekpo ọkụ.dị ka:
HRBF335HRBF400, HRBF500.Akara ule dị maka ụlọ seismic nwere ihe ndị dị elu chọrọ bụ: tinye E mgbe akara ule dị (dịka ọmụmaatụ: HRB400E).
HRBF400E)
Isi ojiji: ejiri ya mee ihe n'ọtụtụ ebe n'ihe owuwu ụlọ ọrụ obodo dịka ụlọ, àkwà mmiri, okporo ụzọ, wdg.
Ihe dị iche n'etiti rebar na gburugburu mmanya: Ihe dị iche n'etiti rebar na gburugburu mmanya bụ na e nwere ogologo ọgịrịga na transverse ọgịrịga n'elu, na-enwekarị ọgịrịga abụọ longitudinal na transverse ọgịrịga ọbụna kesaa n'akụkụ ogologo.Rebar bụ obere akụkụ nchara, nke a na-ejikarị eme ọkpụkpụ nke ihe ihe owuwu ụlọ agbakwunyere.N'iji ya eme ihe, a na-achọrọ ụfọdụ ike arụ ọrụ, arụrụ arụ arụrụ arụ na ịrụ ọrụ ịgbado ọkụ.Ngwakọta ihe eji eme ihe maka mmepụta nke rebars bụ carbon structural steel ma ọ bụ nchara arụrụ arụ dị ala nke a na-agwọ ya site na ịhịa aka n'ahụ.
A na-ebunye ígwè arụrụ arụ, ogwe nchara emechara na-ekpo ọkụ, nke a na-ahazi ma ọ bụ na-ekpo ọkụ.
ụdị
Enwere ụzọ nhazi ọkwa abụọ a na-ejikarị eme ihe maka rebar;A na-ekewa otu site na ọdịdị geometric, na nkewa ma ọ bụ nkewa dịka akụkụ nke akụkụ nke ọgịrịga transverse na oghere nke ọgịrịga.
Ụdị, dị ka British Standard (BS4449), na-ekewa rebar n'ime |ụdị, m pịnye.Nkewa nke a na-egosipụtakarị nrụmọrụ nke rebar.Abụọ bụ
Nhazi ọrụ (ọkwa), dị ka ọkọlọtọ mmejuputa iwu obodo m ugbu a, rebar bụ (GB1499.2-2007) mkpanaka waya bụ 1499.1-2008), dịka ọkwa ike siri dị.
Dị iche iche (mkpụrụ mkpụrụ / ike ike), a na-ekewa rebar na 3 akara ule;na Japanese Industrial Standard (JISG3112), a na-ekewa rebar n'ime ụdị 5 dịka arụmọrụ zuru oke;na British Standard (BS4461), a kọwakwara rebar ọtụtụ ọkwa ule arụmọrụ.Na mgbakwunye, enwere ike ịhazi rebar dịka ngwa ahụ si dị.
Nhazi, dị ka ogwe nchara nkịtị maka kọmpụta agbakwunyere na ihe nchara a na-ekpo ọkụ maka kọmpụta agbadoro agbadoro.
Oge nzipu: Ọgọst-09-2022