Kurudziro yefiberglass pakupokana kwekukukurwa kwekongiri yakadzokororwa (yakagadzirwa kubva kune yakadzokororwa kongiri aggregates) inyaya inonyanya kufarirwa mune zvesainzi zvesainzi uye civil engineering. Nepo kongiri yakadzokororwa ichipa mabhenefiti ezvemamiriro ekunze uye zviwanikwa, zvimiro zvayo zvemakanika nekusimba (semuenzaniso, kusamira kwekukukurwa kwevhu) kazhinji zvakaderera kune yakajairika kongiri. Fiberglass, seakusimbisa zvinhu, inogona kusimudzira kushanda kwekongiri yakadzokororwa kuburikidza nemaitiro emuviri nemakemikari. Heino ongororo yakadzama:
1. Properties uye Mabasa eFiberglass
Fiberglass, inorganic isiri-metallic zvinhu, inoratidza zvinotevera maitiro:
High tensile simba: Inotsiva iyo yakaderera tensile kugona kwekongiri.
Corrosion resistance: Inopikisa kurwiswa kwemakemikari (semuenzaniso, chloride ions, sulfates).
Toughening and crack resistance**: Mabhiriji mamicrocracks kunonoka kupararira uye kuderedza kupinza.
2. Durability Kukanganisa kweRecycled Concrete
Yakadzokororwa aggregates ane porous yasara simende paste pameso ayo anotungamira ku:
Weak interfacial transition zone (ITZ): Kusabatana kwakashata pakati pezviunganidzo zvakadzokororwa uye itsva simende paste, zvichigadzira nzira dzinopinda.
Kusapinda kwakadzika: Erosive agents (semuenzaniso, Cl⁻, SO₄²⁻) inopinda zviri nyore, zvichiita kuti simbi iparare kana kukuvadzwa zvakanyanya.
Kusamira zvakanaka kwechando-kunyungudika: Kuwedzera kwechando mumapores kunoita kuti pave nekutsemuka uye kutsemuka.
3. Maitiro eFiberglass muKuvandudza Erosion Resistance
(1) Zvipingamupinyi Pamuviri
Crack inhibition: Uniformly dispersed fibers bridge microcracks, ichivharira kukura kwavo uye kuderedza nzira dze erosive agents.
Enhanced compactness: Fibers anozadza pores, kudzikisa porosity uye kunonotsa kupararira kwezvinhu zvinokuvadza.
(2) Kugadzikana Kwemakemikari
Alkali-resistant fiberglass(semuenzaniso, AR-girazi): Faibha dzakagadzirwa nepamusoro-soro dzinoramba dzakagadzikana munzvimbo dzepamusoro-soro, dzichidzivirira kuparara.
Interface kusimbisa: Yakasimba fiber-matrix bonding inoderedza kuremara muITZ, ichidzikisa njodzi dzekukukurwa kwenzvimbo.
(3) Kupokana neMarudzi Akananga Erosion
Chloride ion kuramba: Kudzikira kuumbwa kwekutsemuka kunononoka kupinda Cl⁻, kunonoka kukora kwesimbi.
Sulfate kurwisa kuramba: Kudzvanywa mutswe kukura kunoderedza kukuvadzwa kubva kusulfate crystallization uye kuwedzera.
Freeze-thaw durability: Fiber flexibility inotora kushushikana kubva mukuumbwa kweaizi, kuderedza kupararira kwepasi.
4. Zvinhu Zvikuru Zvinokurudzira
Fiber dosage: Optimal range is 0.5% -2% (nehuwandu); mafiber akawandisa anokonzera kuungana uye kuderedzwa kusimba.
Kureba kweFiber uye kupararira: Fiber refu (12-24 mm) inovandudza kuomarara asi inoda kugoverwa kwakafanana.
Hunhu hwezvakaunganidzwa zvakaunganidzwa: Kunyura kwemvura yakakwira kana kusara kwedhaka zvemukati kunonetesa fiber-matrix bonding.
5. Tsvakurudzo Zvakawanikwa uye Mhedziso Dzinoshanda
Zvakanaka mhedzisiro: Zvidzidzo zvakawanda zvinoratidza izvo zvakakodzerafiberglassKuwedzera kunonatsiridza zvakanyanya kusamira, chloride kuramba, uye sulfate kuramba. Semuenzaniso, 1% fiberglass inogona kuderedza chloride diffusion coefficients ne20% -30%.
Kuita kwenguva refu: Kusimba kwemafiber munzvimbo dzealkaline kunoda kutariswa. Alkali-resistant coatings kana mahybrid fibers (semuenzaniso, ane polypropylene) anowedzera hupenyu hurefu.
Mipimo: Husina kunaka-hwemhando yakadzokororwa aggregates (semuenzaniso, yakakwirira porosity, tsvina) inogona kuderedza mabhenefiti efiber.
6. Zvikumbiro zveMashandisirwo
Mamiriro akakodzera: Nzvimbo dzemugungwa, ivhu resaline, kana zvimiro zvinoda kusimba kwekongiri yakadzokororwa.
Mix optimization: Yedza faibha dosage, recycled aggregate replacement ratio, uye synergies nezvinowedzerwa (semuenzaniso, silica fume).
Kudzora kwehunhu: Ita shuwa yunifomu faibha kupararira kudzivirira kuungana panguva yekusanganiswa.
Summary
Fiberglass inosimudzira kuramba kwekukukurwa kwekongiri yakadzokororwa kuburikidza nekuomesera kwemuviri uye kugadzikana kwemakemikari. Kushanda kwayo kunoenderana nemhando yefiber, dosi, uye yakadzokororwa aggregate mhando. Tsvagiridzo yeramangwana inofanirwa kutarisisa kusimba kwenguva refu uye nzira dzekugadzira dzinodhura kufambisa hukuru hweinjiniya kunyorera.
Nguva yekutumira: Feb-28-2025
