Engineering, 11.09.2021 14:00 nora65
một hộp cắt trực tiếp có tiết diện là 15cm*15cm. Dùng cát khô thí nghiệm. Khi bị phá hoại tải trọng pháp tuyến là 5 kN và lực cắt 2,65 kN. Xác định góc ma sát trong của loại cát này.
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một hộp cắt trực tiếp có tiết diện là 15cm*15cm. Dùng cát khô thí nghiệm. Khi bị phá hoại tải trọng...
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