PC Steel Strand
01
Epoxy mkpuchi PC Steel Strand
Okwu Mmalite ngwaahịa
Arụmọrụ nke mono-filament sprayed epoxy steel strand na-ezute ihe GB/T25823-2010 chọrọ "Mono-filament Coated Epoxy Coated Prestressed Steel Strand".
Arụmọrụ nke eriri nchara epoxy jupụtara na-ezute ihe achọrọ nke GB/T21073-2007 "Epoxy Coated Seven Waya Prestressed Steel Strand" na JT/T 737-2009 "Filled Epoxy Coated Steel Strand".
Ọrụ griiz na-egbochi corrosion: N'ikwekọ na JG 3007, a na-eji ncha akwa lipid acid na-egosi ọkwa dị elu iji mee ka mmanụ ịnweta mmanụ na-ekpo ọkụ na-ekpo ọkụ, gbakwunye antioxidants, ndị na-egbochi nchara, mgbochi corrosion na ihe mgbakwunye ndị ọzọ, nke na-eme ka ahụ dịkwuo mma. adhesion, mmiri na-eguzogide, nchara na-eguzogide na mgbochi corrosion nke mgbochi corrosion griiz.
Ka ọ dị ugbu a, e nwere ụkpụrụ mba ụwa abụọ maka eriri igwe mkpuchi epoxy, ya bụ ASTM A 882/A 882M-02a na IS0 14655: 1999 (E). Maka eriri igwe ejiri mkpuchi epoxy, a na-akọwapụta ụdị ngwaahịa abụọ: eriri ejiri kpuchie epoxy na eriri igwe mkpuchi mkpuchi epoxy. N'ụdị ọkọlọtọ ASTM nke 2002, ọ dị mkpa ịkọwapụta eriri igwe ejiri kpuchie epoxy kpuchie ya, a naghị atụ aro eriri igwe mkpuchi epoxy; ISO 14655: 1999 (E) dabere na ASTM A 882/A882M-96 ya mere na-ejigide ụkpụrụ maka ngwaahịa strand epoxy mkpuchi, ya bụ maka ngwaahịa abụọ ahụ.
Ebe ọ bụ na eriri igwe mkpuchi epoxy bụ ngwaahịa nwere ezigbo nguzogide corrosion, enwere iwu siri ike na ọkpụrụkpụ mkpuchi na pinholes n'elu na ụkpụrụ abụọ ahụ. ASTM A 882/A 882M-02a na-akọwapụta ọkpụrụkpụ mkpuchi nke 0.38 -1.14mm maka eriri ejiri kpuchie epoxy. IS0 14655: 1999 (E) na-akọwa na mkpuchi mkpuchi nke eriri igwe mkpuchi epoxy jupụtara na eriri igwe bụ 0.40-0.90mm; Ihe mkpuchi mkpuchi nke eriri epoxy mkpuchi bụ 0.65 -1.15mm.
ASTM A882/A882M-02a na IS0 14655:1999 (E) ha abụọ na-akọwapụta na a gaghị enwe pinholes n'ogologo zuru oke nke eriri igwe nwere mkpuchi epoxy emechara. N'otu oge ahụ, ngwaahịa anyị na-emezu ihe achọrọ maka ụkpụrụ abụọ mba ụwa nke ASTM A882/A882M-02a na IS0 14655: 1999 (E) .
Njirimara ngwaahịa
The epoxy mkpuchi mkpuchi ígwè strands nke ụlọ ọrụ anyị na-emepụta nwere magburu onwe mgbochi corrosion Njirimara,
1) Oghere dị n'etiti wires ígwè nke eriri igwe na-ejupụta na resin epoxy kpamkpam.
2) The epoxy resin mkpuchi n'elu nke ígwè eriri na zuru ezu ọkpụrụkpụ, na ọ dịghị pinhole na dum ogologo.
3) The pụrụ iche epoxy resin na-ike bonded na metal matrix nke ígwè strand, nke na-agbatị synchronously na ọ bụghị mgbawa n'oge na mgbe tensioning.
Ngwa ngwaahịa
Dị ka a ọhụrụ ụdị elu-arụmọrụ mgbochi corrosion prestressed ihe, epoxy mkpuchi steel strand na-ọtụtụ ebe na-eji n'ọtụtụ engineering ubi dị ka cable-anọ cables, ele mmadụ anya n'ihu eriri cables, mpụga cables (gụnyere tie cables), esịtidem cables, geotechnical arịlịka, wdg, na United States, Europe, Japan, Australia na ndị ọzọ Europe, America na Asia-Pacific mba na mpaghara.
Igwe eriri USB 16 nke ụlọ ọrụ anyị dị na Korla Landscape Bridge bụ eriri arịlịka extrusion nke teknụzụ extrusion mere. A na-etinye ngwaahịa ọhụrụ 17.8mm epoxy mkpuchi prestressed steel strand nke ụlọ ọrụ anyị rụpụtara na arụ ọrụ nchara nke ahịhịa akọrọ nke Dalian Xizhong Island Heating Project, nke bụkwa ọrụ izizi na China iji 17.8mm epoxy mkpuchi prestressed steel strand. . ( Ihe ngbanwe ngbanwe:
