Extraction type question and answer method for bridge inspection and evaluation text

The invention provides an extraction type question and answer method for a bridge inspection and evaluation text, and the method comprises the steps: segmenting a bridge inspection and evaluation text sample according to semantic information to obtain a plurality of statement paragraphs, and generating a context text according to the plurality of statement paragraphs; obtaining a question proposed for each statement paragraph to generate a question text sample; generating a question text sample and a context text sample according to the bridge inspection and evaluation text sample; performing splicing processing on the problem text sample and the context text sample to generate a training data set; generating an answer position tag based on an answer of the question text sample in the context text sample; according to the training data set and the answer position label, training the question and answer extraction model until the training is completed; and processing the to-be-processed question text based on