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Kim Th6i GS.TS Nguy6n Hitu D0ng GS.TS Cao DuyTi6n GS.TS Hiroshi Takahashi GS.TS Chien Ming Wang GS.TS Ryoichi Fukagawa PGSTS Nguy6n Qudc ThOng(ThLI $i) r Li * >slg Sang I 59 Nguy6n Hdi Hrrng, Nguy6n Thanh V0 AnhTuAn f63 Vi6t 167 Le Minh Sdn,Tr6n 86 V0VinTudn 17O Dio vi6t Doirn, Nguy6n Diovi6tDoin, T)iTidn 174 tid udng tiic cia mdng-coc-ndn theo md hinh ndn 6ibs0n tdng quiit Nghi€n oiu thuc nghi€m oli Nghien chdtqo M0 ph6ng sd ;nh b€ $ m0 phdng s6 ring t6ng (|Jdng d0 si€u hudng (ta L6p 179 Nghien (ttu Duy Nghien oiu tlo v6ng ddm b€t6n9 (6t Duy 186 Trinh LC Hr)ng, Nguy6n Thi Thu Nga I 89 Xu6n MEn, Nguy6n Duy6n Phong, 193 xrko Mot s6 xiicfinh khoang tinh ch5t dd li da m 6ng dt cd fng dung phuong trinh mdtifit inh huong Go, (G, - m6 cfun bi6n dang cOa vit liQu v6 ch6ng; Go - m6 cfun biSn d4n9 c0a ddt, vi ddt rdt y6u ndn Go rdt nh6); tl6 c6 thd xem GolG, -+ 0, d6 qo ti6n d6n gi5 tri rlng sudt ban cldu kh6i ddt 16, tfc la qo+ yH - Khigi6 tri /o cirng ldn, tr,?c li dr;ng 15p v6 ch6ng tr6 hon, khdng l5p durng v6 ch6ng m6 hdm mi ta dd bien ddt d;i dich chuydn tr,l mQt thdi gian to fng v6i kho6ng c6ch tr6 /o thi 6p h.rc t5c dung lAn v6 ch6ng giim, dich chuydn c0a v6 ch6ng s6 tdng - Tit d6y c6 thd r(t rlng dung thqc ti6n nhLI sau: + Sf dung k6t cdu ch6ng mdm, linh hoat kich lim gi6m tai l6n k6t cdu; k6t cdu ch5ng crlng, c6 sq dich chuydn nh6, s6 l)m ting t6i tdc dqng l6n kdt thr-tdc sE + Sr1 dr,rng cdu; (23) + N6u sau ddo mir ti6n hinh dr;ng l5p v6 7.2017 xffiEuNG 227 chdng thi t6i tdc dqng l6n k6t cdu tang; + N6u sau diro ta d6 bi6n hdm bi6n dang tU mQt thdi gian t0 fng vdi kho6ng c6ch tr6 /o m6i ti6n hirnh dr,lng l5p v6 ch6ng thi t6i trqng t5c dr,rng l€n kdt cdu s€ 9i6m TAI TITU THAM IHAO [1] Vo Trong Hirng, Phlng Manh Ddc Co hoc tl6 rlng dung x6y dung cdng trinh ng6m v) khai thiic m6 NXBKHKT Hit NQi, 2008, (d hgc dii NXB Xay dung Hir NOi, 2006 [2] Nguy6n Quang Phkh (o hoc d6 NXB Xay drng Hi N0i, 2004 [3] Nghi0m H[u Hanh [4] Nguy6n 5i Nggc Cd hqc dii Nhir xudt bin giao th0ng vqn t;i, H) Noi,2005 [5] Polr,rx 14.8 [ttuuaeman Harpy3Ka il ropHoe AaBneHile 14ccnegoearun roptoro gasneruR - M.: locroprexu3Aar, 1960.- c.343-374 [6] Sarnauoe 14.B., Kapro:r.rr 6.A Mexanuxa noA3eMHblx coopyxeruft n rorcrpyrrluu xpenett M.: Henpa, 1984 - 324 c [7] 6ynurqee H.( lVlexatr,xa noA3eMHblx coopyxenr,ll: he6 4nr eyroa, - 2-e u:g., nepepa6 r,r 4on - M.: Hegpa -1994 382 C l8l Caltynr 8.14 OcHoeut Teopil[ ynpyrocTt4 u nnacT[qHocTl4 Yqe6 floco6ue Anr cTyAeHToB eyroa M.: Butcur uxona, 1982 -264 c t9l Pyxoeogcreo roprux aurpa6orox td flo npoeKr[poBaHiln noA3eMHblx pacqeTy rpenr,r BHI'lMl4, BHl4l/0MlllC Murymenporvra (C(P.- M.: Crpor,rr,r:ga1 1983 - 273 c [10] Aasuraoea H.A flptt6ruxerroe peuJeHle 3aAaqu cMeueHilrx noBepxH0cTt4 6ecroleqlot'l liunIHApt4qecKoI noJlocr[, 3alpyxeHHoi xecTKl4lil KotlbqeBblM uraMn0M xoreqrofi nnnrul OTnPflil - 1968.- Ne3 - c 111-1'l7 [11] Baudendistel M Zum Entwurf von Tunnellen mit grossen Ausbruchsquerschnitt Rock Mechanics - 1979 - 5uppl Ne - p 95-100  ... Qu6c Orang Hoc, Nguy6nThirnh L6,TdngThi Anh 3an9 Ven Ki6n, V 6Trong Hirng, D6 Ngoc V 0Trong Hidu,DimTrongThdng &rn Trong Thdng, V0 Trong Hidu, Le H6n9 Hei Nguy6nVdnT0 Hng Phiit E0 ft 2O3 NghiCn... 86o Qung Qng Hoc, N9uy6n Thinh LA, T6ng Thi Hanh Vdn Ki€n, V6 Trong Hi.rng, D6 Ngoc Anh V0 Trong Hidu, Dam Trong Thdng fEmTrongThing,V 0Trong Hidu, LA Hdng H6i Nguy6n Vin Tti 196 199 203 208 21 21... - carlotrong tinh todn vi | diu tii ddng ddt lua chon hon licdp khiing lu(crla cong trinh Xdtanh huongil6c0(dngtinhtrongthidtkdcotanten DioC6ng Dinh Ddng Quang, HoengThi Kh6nh oa nudctrong dao