bitumning yumshash haroratini aniqlash
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powerpoint presentation bitumning yumshash haroratini aniqlash odiljonova hadichabegim 1. bitumning yumshatish nuqtasini aniqlash usullari 2. natijalar va xulosa 3. tajriba o'tkazish va ma'lumotlarni tahlil qilish reja: bitumning yumshatish nuqtasini aniqlashning ahamiyati bitumning yumshatish nuqtasini aniqlash, uning sifatini nazorat qilish va yo'l qurilishida standartlarga muvofiqligini tekshirish uchun zarur bo'lgan muhim parametrdir, masalan, 50°c dan yuqori bo'lishi mumkin. bitumning yumshatish nuqtasi uning issiqlikka chidamliligini va yo'l qoplamalarida ishlatilishi mumkin bo'lgan harorat oralig'ini aniqlashda muhim ahamiyatga ega, 40-60°c oralig'i ideal hisoblanadi. xatoliklar va ularning oldini olish ring va sharsimon termometrlar orasidagi 0.5 mm dan katta bo'shliq, yoki termome...
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