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.
Atrial premature complexes (APCs) are a common kind of heart arrhythmia, or heartbeat that is beating too fast, too slow, or irregular. Another name for atrial premature complexes is premature atrial contractions. One of the most common symptoms of APCs is heart palpitations or unusual awareness of your heartbeats. Palpitations are heartbeats that are extra fast, extra slow, or irregularly timed. APCs occur when a beat of your heart occurs early in the heart cycle.