America Standard ASTM A588 Corten Steel Plate Piling na Structural Steel Truss Bridge

ASTM A588 na-ekpuchi ụdị nchara, efere, na ogwe osisi maka welded, riveted, ma ọ bụ bolted, mana e bu n'obi mee ya na akwa akwa na ụlọ ebe nchekwa na ịdị arọ ma ọ bụ agbakwunyere ịdịte aka dị mkpa.

ASTM A588 bụ nkọwapụta nchara dị ala dị elu nwere ike dị elu yana nguzogide corrosion ikuku ka mma maka ụdị igwe arụrụ arụ dịka akụkụ, ọwa na ibé, yana efere ígwè na ogwe.A na-eji ASTM A588 eme ihe maka:
Àkwà mmiri ndị ji ụkwụ aga
Highway Bridge Giders na ihe ndị ọzọ dị na akwa mmiri
Ịrụ ụgbọ mmiri
tankị
Ụgbọ okporo ígwè na arịa
Ịgba egwu
Ihe ọkpụkpụ

Ezubere nkọwapụta A588 nke ọma maka iji ngwa ndị a na-eseghị ese, ebe nchekwa dị arọ ma ọ bụ ịdịte aka agbakwunyere dị mkpa yana ogologo ndụ ogologo ndụ n'ihi njirimara na-eguzogide corrosion ya na / ma ọ bụ iji nweta ọdịdị mara mma.

Nguzogide corrosion ikuku nke A588 dị mma nke ukwuu karịa nke ígwè carbon dị ka A36 na A572-50 na mgbakwunye ọla kọpa ma ọ bụ na-enweghị.Mgbe emebere ya nke ọma na kpughee ikuku, A588 dabara maka ọtụtụ ngwa na ọnọdụ enweghị agba.

ASTM A588 nwere ike mkpụrụ kacha nta nke 50ksi yana ike nkwụsi ike 70ksi kacha nta.

Nhazi:
1. Igwe ihu igwe dị elu
Ngwongwo nhazi nke na-eguzogide ihu igwe dị elu bụ ịgbakwunye obere ọla kọpa, phosphorus, chromium, na nickel ọcha na nchara iji mepụta oyi akwa nchebe n'elu igwe mkpokọta metal iji melite arụmọrụ nke ígwè megide corrosion ikuku.Ịnwekwara ike ịgbakwunye obere molybdenum, niobium, ihe ndị dị ka vanadium, titanium na zirconium nwere ike ime ka ọka ahụ dị mma, meziwanye ihe eji arụ ọrụ nke ígwè, mee ka ike na ike nke ígwè dịkwuo mma, belata okpomọkụ mgbanwe na-egbuke egbuke, ma mee ka ọ nwee. mma iguzogide kenkuwa mgbaji.
2. Weathering ígwè maka ịgbado ọkụ Ọdịdị
Ihe ndị a gbakwunyere na ọkwa nchara, ma e wezụga maka phosphorus, bụ otu ihe ahụ dị ka ihe nhazi ihu igwe dị elu, na ọrụ ha bụ otu ihe ahụ ma melite arụmọrụ ịgbado ọkụ.

Atụmatụ:

Igwe igwe na-ekpuchi ihu igwe nwere njirimara nke siri ike, ịgbatị plastik, ịkpụ, ịgbado ọkụ na ịkpụ, na-eyi nguzogide, oke okpomọkụ na-eguzogide na ike ọgwụgwụ nke ígwè dị elu;iguzogide ihu igwe bụ 2-8 ugboro nke carbon ígwè nkịtị, na mkpuchi arụmọrụ bụ 1.5 nke nkịtị carbon ígwè.-10 ugboro, mkpuchi arụmọrụ bụ 1.5-10 ugboro nke nkịtị carbon ígwè, nwere ike iji maka mkpa mkpuchi, iferi mkpuchi ma ọ bụ mfe mkpuchi.Nchara a nwere njirimara nke mgbochi nchara, nguzogide corrosion, ogologo ndụ ndụ, mbelata na mbelata oriri, ịzọpụta ọrụ na nchekwa ike, nke na-abara ndị na-emepụta ihe na ndị ọrụ uru.Igwe ihu igwe nwere nguzogide corrosion ka mma na ikuku.Enwere ike ịcha igwe igwe ihu igwe, kpughee ma ọ bụ tee ya naanị.Usoro nchara nke nwere nguzogide corrosion, ndọtị ndụ, ịzọpụta ọrụ, mbelata oriri na nkwalite bụkwa usoro ọhụrụ, nkà na ụzụ ọhụrụ na usoro ọhụrụ nke nwere ike ịbanye n'ime ígwè ọrụ ọgbara ọhụrụ, ka o wee nọgide na-emepe emepe na ịmepụta ihe ọhụrụ.Usoro ígwè.

Uru:

A na-eji ígwè carbon nkịtị mee igwe ihu igwe nwere obere ihe na-eguzogide corrosion dị ka ọla kọpa na nickel.Ọ nwere njirimara nke ike ígwè, ductility, akpụ, ịgbado ọkụ, abrasion, elu okpomọkụ, ike ọgwụgwụ, wdg;ihu igwe na-eguzogide bụ 2 ~ 8 nke nkịtị carbon ígwè The mkpuchi arụmọrụ bụ 1.5 ~ 10 ugboro nke nkịtị carbon ígwè, nke a pụrụ iji na thinner, iferi ma ọ bụ mfe mkpuchi.Nchara ahụ nwere njirimara nke nguzogide nchara, nguzogide corrosion na ịdịte aka nke components, thinning na oriri mbelata, na-azọpụta ọrụ na ike-azọpụta àgwà, nke na-erite uru akụrụngwa emepụta na ndị ọrụ.

Ngwa:

Iji nnukwu ihu igwe na-eguzogide structural ígwè dị mma karịa ihu igwe na-eguzogide ígwè maka welded Ọdịdị n'ihi na ikuku corrosion eguzogide.A na-ejikarị ya eme ihe maka bolting, riveting na welding structural akụkụ maka ụgbọ ala, arịa, ụlọ, ụlọ elu na ihe ndị ọzọ.Mgbe ejiri ya dị ka akụkụ nhazi welded, ọkpụrụkpụ nke ígwè ekwesịghị ịbụ ihe karịrị 16mm.The ịgbado ọkụ arụmọrụ nke weathering ígwè maka welded Ọdịdị dị mma karịa nke elu weathering ígwè, na ọ bụ tumadi eji maka welded structural akụkụ maka àkwà mmiri, ụlọ na ndị ọzọ owuwu.