NGHIEN C U T U - T R A O D O I NGHlfiN CCtJ THir NGHIEM KHA N A N G ttNG DUNG H^T NIX DA QUA SU" DUNG (XI DONG) THAY THf H^T SOI TRONG V^T LI$U BfiTONG POLYMER RESEARCH TESTING USING NK PARTICLES USED (COPPER SLAG) TO REPLACE THE PEBBLES FOR POLYMER CONCRETE MATERL\LS PGS, TS Quach Dinh Lien', KS Nguyin Hflu Than^ TrUdng D ^ hpc Nha Trang TrUdng Cao ddng Nghl Nha Trang TOM TAT Bdi bdo gidi thieu kit qud nghiin cdu sd dting hgt NIX dd qua sd dung thay thi hgt soi lieu be tdng polymer tgo mgt logi vdt liiu mdi vdi day du tinh ndng cda be tdng nhU Id mdt gid t&n dung hgt NIX vd bdo ve moi trUdng ABSTRACT ' This paper introduces the research results itsing NIX particles used to replace the pebbles fo concrete materials createsa new material with the fullfunctionality of concrete asa solution to take NIX and county environmental protection I.DATVANDE h Cdch diln, cdch nhilt; Hi$n nay, tren thi gidi da vd dang flng + Giam tai tdi nguyin gang cho qudc gia dung be tdng polymer (mineral casting) dflng dl thay thi vdt h|u gang vi|e dflc cdc bl mdy Hien tai, d Vilt Nam vdi ndm gan tien, phay van nang; may ti^n, phay CNC day, cdc cdng ty sfla chfla va ddng mdi tdu thiiy phdt trien vdi tdc dp rat nhanh vi du nhU: Cdng Thanh phan cau tao cua be tdng polymer ty TNHH Huyndai Vinashine Ninh Hda; Cdng bao gom: Keo EPOCY, cdt hgit ldn va hat sdi, dUpc ty Ddng tau Cam Ranh; Cdng ty Dong tdu Nam pha trpn theo mdt ty 11 nhdt dinh Trilu 0ng dyng ndy dd md cho nganh vdt lieu Vdi edng nghe sfla chfla tdu thfly hien nay, m^t hudng di mdi vd cimg khd quan vi nhflng phai dung h^t NIX dl lam sach be mat thdn tdu tfnh ndng ma bl tdng polymer dat duoe: trUcfe son, chinh cdng ngh| ndy da t?o mdt khdi lupng xi ddng khdng nhd t^ cdc nhd may ^ + De dflc; TAP CHt CO KHf VI£T NAM • Sd (Thang ndm 2013) NGHIEN CUU - TRAO D6I Vjt lieu n i n cua be tong Polymer la keo Epocy duoc sfl dung biln fl Vi|t Nam Vi thi, vile flng dyng hat NIX thay t h i hat sol vit lieu b l tong Polymer tao mgt vat lieu mfli l i mpt van d l thuc sU co y nghia khoa hoc thUc tiln cap thilt, chflng toi cflng da thu dUOc k i t qua nghiin cflu rft kha quan Cac nghien cflu dflpc tiln hanh dflfli sfl chi dao cua PGS TS Quach Dinh Liln; cac thi nghiim phong duoc tiln h i n h t i e gia va cac cong sfl TiNH C H X T H A T N I X Hat Nix la mpt loai vat lieu hat hinh t h i n h tfl sat, d i v6i va sihca qua trinh luyin dong Trong qua trinh tinh luyen nay, dot ng6t dong kit tfl trang thai nong chay bdi luong lanh thoi vio v i dflpc rfla bang hoi nfldc ap lflc cao tao pham la xi dong Xi dong (hat Nix) l i mot loai sin pham phu ciia qua trinh luyen dong 2.2 Hat Nix da qua sft dung (hat Nrx pbl thai) 2.2.1 Chi tieu vdt ly cua hat Nix phe thdi - Md dun dp ldn trung binh: M = 2,10 - Khdi Iflpng riing ldn: p = 3,45 g/cm^ chfla sfl dung p = 3,60 g/cm' - Khdi lupng t h i tich xdp Idn: pv = 2,026 g/cm' - Dp xdp trung binh: Xo = 41,33% - Dd i m trung binh: W = 3,09% - H i m lupng bui, bun, set t r u M binh: Sc = 1,30% 2.2.2 Thdnh phdn hod hoc cua hat Nix phi thai Bdng 2: Thdnh phdn hoa hgc cua hca NDC ddsddung [5] Sciop^nlich \3t) 691 -40' i i i i ;3«, 385S - Nix chfla qua sfl dung l i l o ^ vat lieu h o i n toin tro v i khong phin flng hoa hpc vOi nfldc mfla, nfldc biln, khong v i khdng cd tac ddng xau d i n mdi trfldng - Nix sau sfl dung se cd lan t h i m mdt sd cac tap chit khac qua trinh l i m sach vd tiu nhfl gi set vd tau, son, can ham t i n v.v 2.1 H^t Nix chUa qua sfl dung Hat NLX chUa qua sfl dung cd cac tinh chat vdt ly va phan hod hpc eo ban nhU sau: Tinh chdt vat ly: Him lucm| i & ] | 2UL ua iii,40l.iS6 O i ,B,2S4 lQli,4:J n.ll.O.M.l.M 0.56.;.Ji I.T3 3II.M 4J£ 1221 »U9 LUI fil m M 3> 1.09 NGHIEN CUtr THU'C NGHIEM TRONG PHdNGXACDINHCirdNGDOCUABfeTONG POLYMER s t r DUNG HAT NIX D A QUA SlT DUNG 3.1 Chuan bi \^t lieu thi nghiem 3.1.1 Cdt vdng - Trpng lupng rieng: , t a n / m C T 3; - D p hut nfldc: 0,52; - Ty 11 lam sach: 4,6% Cat vdng dung de thi nghiem so sanh ddi chieu dupc lay tfl cac Id cat dimg cho dd be tdng cua vUa cdt sdng Cai, Nha Trang Bdng 1: Thdnh phdn hoa hgc cda hgt NIX chUa sit dung [5j 3.1.2 Hat Nix thdi STT Chi tieu Thinh ph3n h6a hgc cua Nix H i m liUfng ddng (Cu) 0,77% H i m Itfgng s5t (FCjO,) 57,8% Himlit