Basalt Fibers Inovandudza Carbonation Resistance yeConcrete

I. Mechanism ye-anti-carbonation action: multi-scale synergistic optimization
1. Pore chimiro uye crack inhibition
   Basalt fibers inhibit kutanga kwepurasitiki shrinkage kutsemuka mukongiri (30% -50% kuderedzwa muhupamhi) uye vhara CO₂ nzira dzekupararira kuburikidza nematatu-dimensional mesh kugovera. Iyo dense hydration zvigadzirwa zvinogadzirwa pafiber-matrix interface zvinogona kuderedza chikamu cheanokuvadza pores (> 100 nm) kubva 18.6% kusvika 12.3%, zvakanyanya kuderedza kupera.

2. Hydration modulation uye Chemical synergy
Fiber pamusoro roughness inosimudzira CSH gel heterogeneous nucleation, ichimhanyisa hydration reaction, mazuva 28 hydration dhigirii yakawedzera ne8% -12%. Kana yakasanganiswa nemamineral admixtures (semuenzaniso, silica fume), iyo volcanic ash effect yakasanganiswa nefiber fracture-limiting effect yakaderera porosity ne 40%, uye chikamu chepores chisingakuvadze (

II.Engineering maitiro uye zvikomborero zvehupfumi
1. Upenyu hwemugwagwa hwakatambanudzwa zvakanyanya
High-performance Basalt Fiber asphalt kongiri yakatsvakurudzwa uye yakagadziridzwa neYangzhou University, rutting kuramba yakawedzera ne 20% -40%, kuneta kupemha kuramba kwakawedzera ne 2-8 nguva, kuchengetedza kutenderera kwakawedzera kubva pamakore 3-5 kusvika ku6-8 makore, kuchengetedza mari yekugara kwenguva refu yakaderedzwa zvakanyanya.

2. Kuvandudza kushanda kwekongiri yakashandiswa zvakare
Tsvagiridzo inoratidza kuti kana yakadzokororwa aggregate kongiri (RAC) yakasanganiswa ne2 kg/m³ basalt fibers, hudzamu hwecarbonation hunodzikiswa ne41% kana zvichienzaniswa nekongiri yakangogadzirwazve, uye kupikisa kwekabhoni kwakanakisa kunowanikwa ne50% yakadzokororwa yeaggregate substitution rate.

III. Ramangwana Mafambiro Nematambudziko
1. Multi-field coupling research
Inoda kuenderera mberi nekuongorora kushanda kwenguva refu pasi pe carbonation-chloride salt-load coupling, data yekutanga inoratidza kuti carbonation rate yefiber concrete pasi pe 0.5 nguva yekupedzisira mutoro ichiri 28% pasi.

2. Kubatanidzwa kwehungwaru kutarisa
Kudyara kwecarbonation-sensing optical fiber uye fiber network, chaiyo-nguva yekutevera yecarbonation pamberi (yakarurama ± 0.1 mm), ichipa tsigiro yedata yekudzivirira kuchengetedza.

Basalt fiber inopa akawanda-level mhinduro yekongiri carbonation kuramba kuburikidza neiyo microstructure optimization uye macro performance enhancement. Nekuvandudzwa kweiyo yakajairwa sisitimu uye hunyanzvi hwekuvandudza tekinoroji, kushandiswa kwayo kuchawedzerwa kubva mumigwagwa nemabhiriji kuenda kuinjiniya yegungwa uye mamwe minda, ichisimudzira kusimba kwezvivakwa kusvika kunguva itsva.