Ntau

Fiberglass rebar yog sai thiab yooj yim txiav. Thaum txhim kho dej phwj hauv av, tunnels thiab lwm qhov chaw tsim kho siv siv qhov tho txawv cav (TBM), GFRP tuaj yeem siv ua kev txhawb nqa rau ntxiv rau pob zeb ua. Hauv qhov no, TBM tuaj yeem nqus tau yooj yim. Lub tshuab txhawb rau hlau yog qhov teeb meem rau TBM, vim tias nws tsis tuaj yeem tuaj yeem tho ib phab ntsa.

Nyeem ntxiv: Cas fiberglass qhov cuab lub zog tau siv thoob ntiaj teb