| 1. | Establishment of curve to detect concrete compression strength with resilience method for yueyang area 回弹法检测岳阳地区混凝土抗压强度曲线的建立 |
| 2. | Concrete compression strength curve checking by supersonic rebound synthetic method for yueyang areas 超声回弹综合法检测岳阳地区混凝土抗压强度曲线的建立 |
| 3. | On the rating curve of the resilience method for determing concrete compression strength of jiangmen city proper 回弹法测定江门市区混凝土抗压强度专用曲线的研究 |
| 4. | Establishing curve for measuring strength to detect concrete compression strength with comprehensive method of ultrasonic and rebound for yueyang areas 超声回弹综合法检测岳阳地区混凝土抗压强度曲线的建立 |
| 5. | Relationship between concrete compression strength and rebound and ultrasonic speed value was studied by test . special regressive equation was obtained to predict concrete compression strength . also , empirical regressive equation was got to predict the temperature acting on concrete structure 试验研究了火灾高温后并考虑静置时间影响的混凝土抗压强度与回弹值、超声波速值之间的关系,得出了利用回弹法、超声法和超声回弹综合法评定火灾后混凝土抗压强度的专用测强公式;得出了利用超声法推定混凝土受火温度的经验回归公式。 |
| 6. | Concrete compression strength was predicted by artificial neural network ( ann ) considered three factors , such as temperature , standing time and cooling and curing process after cool . also it was predicted in different rebound and ultrasonic values . fire resisting performance of concrete was studied and predicted 通过人工神经网络( ann )方法预测了火灾后考虑不同受火温度、静置时间、冷却及冷却后的养护方式三种影响因素的混凝土抗压强度;预测了火灾后考虑不同回弹值、大连理工大学博士学位论文一超声波速值等因素的混凝上抗压强度,研究并预测了火灾后混凝土的抗火性能。 |