Lithapo tsa phetiso li entsoe ka likarolo tse hlano tse kholo: li-conductor, li-fittings, li-insulators, litora le metheo. Litora tsa phetiso ke karolo ea bohlokoa ea ho tšehetsa likhoele tsa phetiso, tse ikarabellang ho feta 30% ea matsete a projeke. Khetho ea mofuta oa tora ea phetiso e ipapisitse le mokhoa oa phetisetso (potoloho e le 'ngoe, li-circuits tse ngata, AC/DC, compact, voltage level), maemo a mohala (ho rera ho latela mohala, meaho, limela, joalo-joalo), maemo a jeoloji, maemo a leholimo le maemo a leholimo. maemo a tshebetso. Moralo oa litora tsa phetiso li lokela ho fihlela litlhoko tse kaholimo, 'me li raloe ka hloko ho latela papiso e felletseng ea tekheniki le moruo ho fihlela polokeho, moruo, ts'ireletso ea tikoloho le botle.
(1) Litlhoko tsa moralo le khetho ea tora ea phetisetso ho fihlela litlhoko tsa motlakase:
1. Ho tlosoa ha motlakase
2.Karohano ea mela (karohano ea mela e tšekaletseng, sebaka se otlolohileng sa mela)
3.Displacement pakeng tsa mela e bapileng
4.Tshireletso angle
5.Bolelele ba khoele
6.V-khoele angle
7.Bophahamo ba bophahamo
8.Mokhoa oa ho kopanya (sehokelo se le seng, sehokelo se habeli)
(2) Ntlafatso ea Moralo oa Sebopeho
Sebopeho sa sebopeho se lokela ho finyella litlhoko tsa ts'ebetso le tlhokomelo (e kang ho theha litepisi, lipolanete, le litsela tsa maoto), ho sebetsa (joaloka ho cheselletsa, ho kobeha, joalo-joalo), le ho kenya ha ho ntse ho netefatsa polokeho.
(3) Khetho ea Lintho
1. Tšebelisano
2. Litlhokahalo tsa Sebopeho
3. Mamello e nepahetseng e lokela ho nkoa bakeng sa lintlha tse leketlileng (ka ho toba tlas'a meroalo e matla) le maemo a fapaneng a matsoapo.
4. Likarolo tse nang le li-angles tse bulehileng le ho hlaka ha moralo li lokela ho ba le mamello ka lebaka la mefokolo ea pele (ho fokotsa matla a ho jara).
5. Tlhokomeliso e lokela ho sebelisoa ha ho khethoa lisebelisoa bakeng sa likarolo tsa parallel-axis, kaha liteko tse pheta-phetoang li bontšitse ho hlōleha ha likarolo tse joalo. Ka kakaretso, ntlha ea tokiso ea bolelele ba 1.1 e lokela ho nahanoa bakeng sa likarolo tsa parallel-axis, 'me ho se tsitse ha torsional ho lokela ho baloa ho latela "Steel Code."
6. Lintho tse nang le melamu ea tensile li lokela ho netefatsoa ka block shear.
Nako ea poso: Aug-15-2023
