Bao cao nhanh thi cong goi 1 1

BAO CAO NHANH VE VIEC ruu.. Vgt liQu base tgp t.

BAO CAO NHANH VE VIEC ruu c HIEN NQI DUNG

cuQC HQP NGAY 31712015

l Vgt liQu base tgp t<6t t4i cdng trudng cfra Cdng ty Vin Phr[ Building vit Cdng ty Hda Lim.

- Vat liQu l6y t4i m6 Tii5n Long Hfru Lffng Lq'ng Son M6 ndy kh6ng dring v6i m6 dugc

ch5rp thu4n cho g6i thAu XLO1

- ftr.o chi ddn ky thuat mqc 04100 - C6p ptrOi ea dam; Di6u 4.4 Cdc y€u cAu dOi vOi vat liQu cAp ptr6i Oa dam ioai I vd dga tr6n ybu cAu k! thugt cria bing 1 vd bing 2 thi k6t qu6

thi nghiQm vat li9u dugc c6c b6n l6y m6u , thi nghiQm t4i phong Las XD 71 kh6ng d4t y6u

.Au th.o chi d6n k! thu4t dg 6n cr,r th6 nhu sau:

a/V€ thdnh PhAn hat

CO sdng (mm) K6t qua (%) YCu cdu k! thu4t dU ul

udc 96 gio

2 Thi c6ng K98 tuY6n chinh tr6i'

*/ Cdng ty Vinaconexl2:

+Thic6ngK98|op2:460ml460m,d5nghiQmthu:460m1460m'

+ Thi c6ng K98 lcrp 1: 460m1460m, dd nghiQm thu: 200m1460m

*/ Cdng ty Vin Phti - Building:

+ Thi c6ng K98 |op 2: 706m706m' d6 nghiQm thu: 420m 1706m.

Ktit qui thi nghiqm Ydu cAu kV thuOt

don6ndat4?f.9d"N/ 2(^

Cudng d0 n6n > 60M

nrA ^hi oA "''" r.hirr fAi CRR fai dd chdt 98 ngam n

YOu cAu k! thuOt YOu cAu > 100 %

Ktit qu6 thi nghiqm K6t qui 70,2 oh

*/ Cdng ty Hda Lflm:

+Thic6ngK98lop2:414m1674m'dSnghiQmthu:260m1674m'

+ Thi c6ng K98 lop 1: 180m/260m' dd nghiQm thu: 0m/180m'

3 Cdng t6c chuAn bi thi c6ng base'

- Chua trinh d€ cudng thi cdng thtr base'

- Chua co m6y rii base t4i hiQn trucrng'

4 E6nh gi6

- K;5 hoach rii thir base ngiry 81712015 kh6 thUc hiqn dugc'

- Thi c6ng K98 lw 2 dugc 1.140m12.322m dqt 4goh, thi c6ng K98 l6p I dugc 490m12.322m dqt 2lo/o mitthoi gian thi cdng K98 bat dAu tir ngiry 81512015 nhin chung litrdtchflm, ntrAt ta C6ng ty Vin Phf - Building vd C6ng ty Hoa Ldm'

- Nguy6n nh6n thi c6ng d6p e6t fqg chflm: v4t liQu Oat Aap K98 khdng d6ng dAu do

khai th6c nh6 16, kh6ng dua dugc vat liQu dong lo4t vd cdng trudng, m6y thi cong thitiu: (VAn Phri-Building 1l gid ngiry 61712015 m6i c6 lu chdn cuu' HdaLdm chua co), t6 chtic thi c6ng thi6u chuy6n nghiQp, thii5u c6n bQ k! thu4t chi d4o thi c6ng' thi c6ng ddn trii khdng t4p trung dtrt di6m tirng do4n (khoing 100m) theo hudng dfln ctra

TVGS dan di5n mot s6 do4n ki€m tra t6i 3 ldn kh6ng d4t y€u cau nhu (Kml15+200'62 -:- Kml l5+366;Km115+860 -:- Kml16+040)' do chat dat tir K90 -:- K96'

5 Ki6n nghi

- CAn khAn truong bd sung thi6t bi lu chan cuu ( Hda Ldm)' cti c6n b0 nhan v4t tu c6

kinh nghiQm sdng lqc d5t d6p K98 ngay t?i m6, chon lqc l6y oat tot co lan s6i s4n dua

tap ket vd c6ng trudng, vat liQu dhp ddtK98 thi nghiQm tAn su6t ph6i dat you cAu mdi

tii5n hdnh trir5n khai thi c6ng, bo tri c6n bQ k! thu4t co nhiau kinh nghiQm chi dao thi c6ng, khi thi c6ng vpt liqu d6p Aat fg3 d0 Am phii dat hoflc s6t v6i d0 Am t6t ntr6t'

T6 chirc thi c6ng ph6i dut di€m tirng do4n, kh6ng thi c6ng ddn tr6i' Luu y kiem so6t 6p lgc lu, so dd lu, sO tuqt lu vd k€ ci d0 Am trong thoi gian lu ldn'

- Lhy d6t K98, base dring ngu6n dugc ch6p thupn'

- vat liQu base da tap k6t cta vP Building vd Hoa L6m co cudng d0 r6t th6p (chi vua

d4t cho sub-base) Ki6n nghi dua ra ldm vat liQu sub-base cho dudng gom'

- Eo.n nao nghiQm thu K98 3 lAn kh6ng dat phii boc b6 thay bang vat ligu m6i d4t y6u cAu, moi ch4m tr6 thuQc tr6ch nhiQm cira don vithi c6ng'

M SAT TRU6No

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