The ratio between the index of secondary compression CÎ± and the compression index Cc is approximately constant for most of the normally consolidated clays for load typical in engineering practice.
When your heart's rate is too rapid, it may not effectively pump blood to the rest of your body, depriving your organs and tissues of oxygen. This can cause these tachycardia-related signs and symptoms: 1  Dizziness. 2  Shortness of breath.3  Lightheadedness. 4  Rapid pulse rate.5  Heart palpitations â a racing, uncomfortable or irregular heartbeat or a sensation of flopping in the chest. 6  Chest pain.hen your heart's rate is too rapid, it may not effectively pump blood to the rest of your body, depriving your organs and tissues of oxygen. This can cause these tachycardia-related signs and symptoms: 1  Dizziness. 2  Shortness of breath.
Causes. Exercise is a common cause of rapid heart rate. Your heart rate should elevate during exercise, but it may be a problem if your heart rate remains elevated for more than 10 minutes after you finish your workout. Dehydration can also cause a faster heart rate.xercise is a common cause of rapid heart rate. Your heart rate should elevate during exercise, but it may be a problem if your heart rate remains elevated for more than 10 minutes after you finish your workout.