GRUNT O‘ZANLI KANALLARNI GIDRAVLIK HISOBLASh MASALALARI
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dinamik mustahkam kanal, grunt oʻzanli kanallarni gidravlik hisoblash, muallaq oqiziq konsentratsiyasi, oʻzan deformatsiyasi, gidravlik hisoblash usullari.##article.abstract##
Grunt oʻzanli kanallarni loyihalashning asosiy vazifasi bu ortga qaytmas oʻzan
deformatsiyalanishi sodir boʻlmaydigan mustahkam kanal shaklining oʻlchamlarini hisoblashdan
iborat. Maqolada grunt oʻzanli kanallarni loyihalash uchun gidravlik hisoblashda oʻzan
deformatsiyalanishi sodir boʻlmaydigan mustahkam kanal parametrlarini hisoblash masalalari
toʻgʻrisida maʼlumotlar berilgan.
Bunda gidravlik modellash dasturlari yordamida kanalni dinamik mustahkamlikka tekshirish
usuli orqali tabiat bilan hamohang ravishda ishlay oladigan dinamik mustahkam kanal
parametrlarini qabul qilish zarurligi HEC-RAS dasturi yordamida modellashtirilgan va dala-tajriba
maʼlumotlari bilan asoslanadi.
Tadqiqot natijalariga koʻra, grunt oʻzanli kanallarni loyihalash uchun gidravlik hisoblashda
oqim va oqiziqning oʻzgaruvchan xarakterini hisobga olgan holda yangicha yondashuv talab
qilinadi. Bunda loyqa bosishi tufayli deformatsiyalangan kanal oʻzani tub nishabligining tabiiy
ravishda oshishini hisobga olgan holda kanal yon dambalarini mustahkamlash va oqiziq balansining
muvozanatini taʼminlaydigan oqim nishabligini tanlash taklif qilinadi.
Taklif etilayotgan usulning mohiyati grunt oʻzanli kanallarni hisoblashda tabiat bilan
hamohang va uzluksiz tozalash taʼmirlash ishlarini talab qilmaydigan dinamik mustahkam kanal
parametrlarini qabul qilishdan iborat. Buning uchun grunt oʻzanli kanallarni gidravlik modellash
dasturlari yordamida oqiziq transportini modellash talab etiladi.
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