龄期3456710111213141516171819202122232425262728强度18.1332422.8816126.57229.5740532.1183934.3224136.26938.0055239.5786841.0148542.333.559244.6979745.7632146.76387.7072948.599749.4463350.25151.0194851.7531852.4556553.1294453.776854.39973
55
60555045403530252015105034567818.1 22.9 29.6 26.6 34.3 32.1 输入28天强度，计算龄期强度强度与龄期53.1 53.8 38.0 36.3 34.3 39.6 41.0 42.3 43.6 44.7 45.8 46.8 47.7 48.6 49.4 50.3 51.0 51.8 52.5 1011121314151617181920212223242526龄期53.8 54.4 55.0 262728
