The conclusion of this text is: through the study on soil nature and BP neural network , a holing parameter predicts models after setting up.

• 并依据天津市快速路跨子牙河桥工程的勘察数据,根据具体工程信息,建立了该工程的预测模型,分别对地层分布情况,有关岩土参数进行了预测。