Zothandizira zitsulo zosinthika zimapangidwa ndi zinthu za Q235. Kutalika kwa khoma kumayambira 1.5 mpaka 3.5 mm. Zosankha zakunja zikuphatikizapo 48/60 mm (kalembedwe ka Middle East), 40/48 mm (kalembedwe ka Kumadzulo), ndi 48/56 mm (kalembedwe ka Italy). Kutalika kosinthika kumasiyanasiyana kuchokera ku 1.5m mpaka 4.5m ...
Zinc-yokutidwa ndi aluminiyamu-magnesium zitsulo mbale ndi mtundu watsopano wa zitsulo zosagwira dzimbiri zosagwira zitsulo, zopakapaka ndizochokera ku zinc, kuchokera ku zinc kuphatikiza 1.5% -11% ya aluminiyamu, 1.5% -3% ya magnesium ndi kuchuluka kwa kapangidwe ka silicon (gawo losiyana ...
Kodi mulu wa pepala la Larsen ndi chiyani? Mu 1902, injiniya wina wa ku Germany dzina lake Larsen poyamba anatulutsa mulu wazitsulo zachitsulo zokhala ndi gawo lopangidwa ndi U loboola ndi maloko pa malekezero onse awiri, omwe adagwiritsidwa ntchito bwino muukadaulo, ndipo adatchedwa "Larsen Sheet Pile" pambuyo pa dzina lake. Tsopano...
Zitsanzo zosapanga dzimbiri zosapanga dzimbiri Zomwe zimagwiritsidwa ntchito ndi zitsulo zosapanga dzimbiri zomwe zimagwiritsidwa ntchito ndi zizindikiro za manambala, pali mndandanda wa 200, mndandanda wa 300, mndandanda wa 400, ndi United States of America, monga 201, 202, 302, 303, 304, 316, 410, 420, 430, etc., China ...
Chitoliro chachitsulo cha malata, chomwe chimatchedwanso chitoliro cha culvert, ndi chitoliro cha malata cha ma culverts oyikidwa pansi pa misewu yayikulu ndi njanji. malata zitsulo chitoliro utenga yokhazikika kamangidwe, chapakati kupanga, yochepa kupanga mkombero; kukhazikitsa pa malo a Civil engineering ndi p...