28 N€u c6c phuong ph6p lilp rhpdAm bE t6ng c6t thdp, ph4m vi 6p dUng ( hp b[ne cfln cAu, gi6 long m6n c6 dinh, gi6long mdn c6 d!nh, gi6 chuyEn dung) 29.Citc lo4i dd gi6o tlti lip rdp cfru th6p, ndu cfc b0 phfln chri yiiu ctia ild gi6o 30.Nhfing c6ng t5c chuAn bi cho cOng t6c lhp rhp 31 Cdc phuong ph6p lgp rhp(6p tr6n dd gi6o, l6p hdng vd b6n hang) 32.Nhting qui t6c co b6n 16p cAu th6p bang c6n cAu 33 f{a nhip c6u xu6ng g6i, cdc qui t6c, c6c thiiSt bi 34.Circphuong ph6p lao dgc cAu thdp,c6c phuong tiQn dC di chuytin nhip cAu, cdc ki5t c6u dirng cho lao dgc, c6c phuong ti6n k6o cAu vd c6ch bO tri 35.Tinh to6n lao dgc cAu th6p 36.Thi c6ng ki5t c6u nhip thdp c6 bdn b6 t6ng c6t th6p li6n hgp, c6c phucrng ph6p diAu chinh ring su6t 37.NOi dung cria AO an tfri6t tii t6 chrlc thi c6ng cAu 38 C6c giai dopn chinh td chtlc xdy dgng cAu c6c y6u cAu cta c6ng t6c t6 chrlc xdy dUng cau 39.Nhtng tdi liQu ldm cin cri cho cOng t6c 40.C6c, nguyOn tdc chgn ctia