[32 ] 程庆国 1 钢纤维混凝土本构理论的研究、工程应用及发展[J ]1 中国铁道科学, 1999, 20 (2) : 1~ 8 [33 ] 朱子龙 1 粉煤灰混凝土裂缝愈合能力的试验研究[J ]1 南京建筑工程学院学报, 1998, 47 (4) : 70~ 76 Recen t Study of D urabil ity and Crack of Re inforced Concrete Structure L iu Qingkuan 1) W ang Nan 2) W ang Ha ilong3) (Structu re M onito ring and Contro l Inst itu te1) , R esearch Inst itu te of N ational D efense Comm unication3) , Sh ijiazhuang R ailw ay In