1. Qhov sib txawv ntawm cov duab sib tshooj

UA Channel: Lub hlaws yog nyob rau hauv cov duab ntawm tsab ntawv Askiv "U" thiab tsis muaj curling tsim. Cov duab hla ntu tau muab faib ua ob hom: lub duav tso (18U, 25U) thiab pob ntseg tso (29U thiab siab dua). cov

C Channel: Ntu ntu yog "C"-puab, nrog cov qauv curling sab hauv ntawm ntug. Qhov kev tsim no ua rau nws muaj zog dabtsi yog khoov nyob rau hauv cov kev taw qhia perpendicular mus rau lub vev xaib. cov

2. Kev sib piv ntawm cov khoom siv kho tshuab

(1): Load-bearing yam ntxwv
U-shaped steel: Lub compressive kuj nyob rau hauv cov kev taw qhia thaum uas tig mus rau hauv qab ntug yog zoo heev, thiab lub siab yuav ncav cuag ntau tshaj 400MPa. Nws yog qhov tsim nyog rau kuv qhov xwm txheej txhawb nqa uas dais ntsug loads ntev. cov

C-shaped steel: Lub zog dabtsi yog khoov nyob rau hauv cov kev taw qhia perpendicular mus rau lub vev xaib yog 30% -40% siab dua li ntawm U-puab steel, thiab yog qhov tsim nyog rau cov kabmob dabtsi yog khoov lub sijhawm xws li lateral cua loads. cov

(2): Cov khoom siv

U-shaped steel yog tsim los siv cov txheej txheem kub dov, nrog cov tuab feem ntau ntawm 17-40mm, feem ntau yog ua los ntawm 20MnK high-strength steel.

C-zoo li tus hlau yog feem ntau txias-tsim, nrog phab ntsa thicknesses feem ntau li ntawm 1.6-3.0mm. Qhov no txhim kho kev siv cov khoom siv los ntawm 30% piv rau cov tsoos channel steel.

3. Cov cheeb tsam thov

Kev siv tseem ceeb ntawm U-shaped steel:
Kev txhawb nqa thawj zaug thiab theem nrab hauv kuv qhov tunnels (sau suav txog kwv yees li 75%).
Txhawb cov qauv rau roob tunnels.
Lub hauv paus ntsiab lus rau lub tsev guardrails thiab sidings.

Cov ntawv thov ntawm C-shaped steel:
Mounting systems rau photovoltaic fais fab nroj tsuag (tshwj xeeb tshaj yog av-mounted fais fab nroj tsuag).
Purlins thiab phab ntsa kab teeb hauv cov qauv steel.
Beam-kem sib dhos rau cov cuab yeej siv tshuab.