Chitsulo chosinthika chachitsulo ndi mtundu wa membala wothandizira womwe umagwiritsidwa ntchito kwambiri pothandizira mawonekedwe, amatha kusinthidwa kuti agwirizane ndi mawonekedwe aliwonse a template ya pansi, chithandizo chake ndi chosavuta komanso chosinthika, chosavuta kuyika, ndi gulu la membala wothandizira zachuma ndi zothandiza ...
ASTM, yomwe imadziwika kuti American Society for Testing and Equipment, ndi bungwe lotsogola padziko lonse lapansi lodzipereka pakupanga ndi kufalitsa miyezo yamafakitale osiyanasiyana. Miyezo iyi imapereka njira zoyesera zofananira, mawonekedwe ndi malangizo ...
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...