TCVN 10304 - 2014_Thiet ke Mong coc.pdf Z 000438 norm and codes for civil design Z 000438 material list for civil design 237082910 235794741-check-purlin-z-04-08-14 4. bai giang nen mong chuong 4. tinh toan mong mem 205 98 tcxd-thiet_ke_mong_coc Tcxd 195 97 nha cao tang -tke coc khn