Iko kuvandudzwa kwePC Strands uye Prestressed simbi zvigadzirwa anchorage masisitimu

Prestressed simbi zvigadzirwa akaita kufambira mberi kukuru kubva 1950s yezana remakore rapfuura, pane maviri makuru mapoinzi mugwara rekusimudzira. Chekutanga, kusimba kwechinyorwa kunowedzera zvishoma nezvishoma, zvekuti zvakaderedza saizi uye huremu hwezvakaremerwa zvikamu, zvakatodzikisa mutengo wepurojekiti; Chechipiri, pahwaro hwekuvandudza simba, isu tinofanirwa kutarisisa kukudziridzwa kwezvinhu zvine yakakwira anti-corrosion performance, kuitira kuti tivandudze kusimba kwe prestressed simbi zvikamu uye kuchengetedza mari yekuchengetedza.

Nezvekusimba kwepamusoro-kusimba uye kudzika-kudzika-kuzorodza tambo dzesimbi, maitiro avo ekusimudzira akakamurwa kuita matanho mana: akajairwa akatsetseka & akajeka simbi tambo - galvanized simbi tambo uye isina kusungwa tambo dzesimbi - isina kusungwa galvanized tambo - epoxy simbi tambo. Mumatanho matatu ekutanga ebudiriro, anchor anoshanda zvimedu zvinofananidzwa netambo yesimbi zvakangofanana; Magadzirirwo ayo, kugadzirisa uye kugadzira kwave kwakakura-mwero. Nhanho yechina yebudiriro, kureva, epoxy simbi tambo, parizvino kune matatu marudzi epoxy simbi tambo mumisika yepasirese uye yepamba. Imwe ndeye-single-waya yakaonda-layer epoxy simbi tambo, ndiko kuti, waya nomwe dzesimbi mutambo wesimbi dzakaputirwa ne epoxy coating zvakasiyana, uye ukobvu hwekupfeka hwakatetepa (anenge 0.1 ~ 0.2mm); Yechipiri ndiyo yakavharwa epoxy yakavharwa simbi tambo, ndiko kuti, yekunze tambo yesimbi yakaputirwa ne epoxy coating, uye hapana epoxy resin inozadza mukaha pakati petambo dzesimbi, uye ukobvu hwekunze epoxy coating. (anenge 0.65 ~ 1.15mm); Yechitatu ndiyo yakazadzwa epoxy yakavharwa simbi tambo, iyo yakazadzwa ne epoxy resin pane yekunze layer uye mugomba, uye ndiyo yega epoxy simbi tambo inosangana ese ASTM A882/A882M-04a uye ISO14655:1999 zviyero.

Iyo prestressed anchorage system inogadzirwa zvishoma nezvishoma nekuvandudzwa kwesimbi yakasimbiswa, zvese zviri zviviri hazviparadzaniswe. Nekukura zvishoma nezvishoma kwefiller epoxy yakavharwa simbi strand tekinoroji, iyo anchoring system yakagadziridzwawo zvishoma nezvishoma uye kuvandudzwa. Iwo maviri anoshanda pamwe chete, uye akaiswa kune akawanda mapurojekiti ekuvaka mabhiriji akadai semabhiriji ane tambo, mabhiriji ane tambo-akasara, ekunze prestressing, arch bridge tie rods uye rock ibwe.

Univac New Material Tech.Manufacturing Co., Ltd. inyanzvi inogadzira uye inogovera tambo dzesimbi dzakasimba uye dzakadzika-dzika, tambo dzesimbi dzakatsikiswa, tambo dzesimbi dzinopisa, tambo dzesimbi dzisina kusungwa, tambo dzesimbi dzakavharwa ne epoxy uye. yavo inotsigira anchoring masisitimu, mhando yezvigadzirwa zvesimbi zvakatsikirirwa zvinosangana zvizere nezviyero zvepasi rose BS 5896:2012, FprEN 10138:2009, ASTM A416/416M:2012, ISO 14655:1999 "Epoxy Coated Steel Grain Wire zvinodiwa neConcrete Concrete" yeAmerican standard ASTM A882/A882M-04a "Standard Specification for Filled Epoxy Coated Seven Wire Prestressed Steel Strands"; Iyo anchoring system yakabudirira kugadzira tambo-yakagara tambo system, iyo tambo-yakagara sisitimu yemamwe tambo-akagara mabhiriji, yekunze prestressing system, arch bhiriji tie system uye geotechnical anchorage system, iyo yakashandiswa mumapurojekiti mazhinji.