最近有几位同志間道“先张法預应力梁式桥跨結构”一书中,預应力薄腹梁弯扭計算公式的来源及含义。現針对原书內容,将有关的理論依据扼要介紹如下。不妥之处,尚希指正。 Recently, a few comrades said “pretensioned prestressed beam bridge structure” in a book, prestressed thin abdominal bending and torsion formula for the source and meaning. Now for the original book content, the relevant theoretical basis for a brief introduction is as follows. Inappropriate, Shang Xi correct.