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Package 10D Intersection of Canal Walls and Bridge

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Method Statement of Soil improvement by Jet grouting__________________________________________________________________________________________

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THIET MINH BIEN PHAP THI CONG JET GROUTINGI. GII THIEU CHUNG:

1. Ten d an : Ve sinh moi trng d an TP. Ho ChMinh - h! "# $% - T$

&. G! "#a$% &' : 1'(). Han( )%* : *ia #o+ ,a+t+. ,-a #n# /#% 0* "#! *n(:

- $en ,a+t a+t /!n s0nh a2n ta3 #ha+t h4! #. nen ,a+t5!a 6e+!.

- V7 tr Tai #a# #han #a!8 9hong gian #hat he3.- Ve sinh moi trng hong to+t do #a# #han #a! ta3

tr!ng nhie! ra#8 n# tha:i- ie! 9ien a;3 ,a


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CDT >$ %EP

.FGVGH IJ$* IK CDT

(LM CL

h! "# gia #o+

Tai nh4ng "7 tr 9hong theN /o+ tr thie+t /7 di dam#a! th0 3ha:i thi #ong t tren ma


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- 7nh "7 "a 9hoan tao o2 tren ma


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) Tran e+%ng 64 s ,7a#ha+t *iam sat 964 th!at hientrng

] %e _!an%!#

Tr!ng #a+3C

*iam sat 964 th!at hientrng

Z Hoang Va=nTin

C$T ToN tr:ng toN 9hoan 3h!t &

^ %e 0nhhoat

C$T ToN tr:ng toN 9hoan 3h!t )

\ Phan Va=n$g! C$T ToN tr:ng toN 9hoan 3h!t 1

Cong nhan 1[\ \[\ )' ngi

+. %> "2n# /#an 5#%":Cong ta# 9hoan tao o2 "a 3h!t "4a tai mo2i ho+ ,# tie+n hanhtheo s ,o sa!

Cong ta# 9hoan

Cong ta# 3h!t

Pma@ 3h!t Thie+t 9e+Woan sa!X

W$e+! 9hong #on /# tie+3 theoX

Jet-grouting Trang 4

hoan tie+3

%a;3 ,a


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HKEHK$

HK$ TK %Ka%bP KE$* Mc$* >FDT

KE$* Mc$* >FDT

IdM VUe IKC

VUe IKC

PHT VU

VU IKC

PHT VU

VU IKC

PHT VU

VU IKC

00

00

III. CONG TAC THI CONG HOAN PHUT GIA CO ,AT:

A. HOAN PHUT GIA CO ,AT THK NGHIEM


hoan 9ieNm tra

%am ai ma


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8. M%* "!e% /#an 5#%" (!a *' @a'" "#L n(#!e4):M!# tie! 9hoan 3h!t gia #o+ ,a+t th: nghiem ,eN @a# ,7nh /an9nh a:nh h:ng trong 5!a tr0nh 9hoan 3h!t gia #o+ ,a+t ng "imo2i #a+3 a3 # 3h!t "4a8 t ,o @a# ,7nh 9ha: na=ng gia #o+,a+t hie! 5!a: /ao gom ng a=n "4a8 /an 9nh a:nh h:ng8a3 # 3h!t8 9ieNm tra ta+t #a: #a# #hf tie!8 th# te+ 3h!t @em#o 3h! h3 "i ,ie! 9ien th# te+ 9hong. Trong tng trngh3 #o s sai 9ha# th0 3ha:i ,ie! #hfnh ai ,o an thie+t 9e+#ho ,!ng "i th# te+.

- Ho+ 9hoan th nghiem 9hoan 9ho a+6 ma2! #ho "ao th!ng

,ng ma2!8 #h!3 h0nh8 tie+n hanh a+6 ma2! th nghiem.%a+6 ma2! th nghiem ,eN ,anh gia

Cng ,o #h7! #a;t nho: nha+t. Mo ,!n ,an hoi. (!ng trong t.

eN ,anh gia #hf tie! /an ,a! tr# 9hi 3h!t.

=. B' "2? *a* #' /#an 5#%" (!a *' @a'" "#L n(#!e4):Tren toan /o #a# "7 tr #a! #an 9hoan 3h!t gia #o+ ,a+t8

#h!ng toi #hon "7 tr #a! Cong %6 ,eN tie+n hanh 9hoan 3h!tth: nghiem8 ho+i ng th# hien trong /a:ng sa!

TT Ten #'C#!e$% daF!/#an )

C#!e$% daF!5#%" )

G#! *#%

1T$1WC%1-

&XO.]' .O'

&T1-1WC%1-

&^XO.]' .O'

)T1-&WC%1-

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]T$&WC%1-

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ZT&-1WC%1-

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^T&-&WC%1-

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CONG 13.+ 1.+

e) aLn( 0e @?n# /eF)

. Ma> )* "#!e'" - *#?n# 5#%* 0% "#! *n( /#an5#%" (!a *' @a'":



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BAKNG THONG E MAQ MOC THIET B7 HOAN PHUT

TT a! "#!e'" - ,n 0-'

Dn(G#! *#%

1 Ma6 9hoan Io 1'

& Ma6 tron "4a th!ng9e3

Cai 1'

) Ma6 /m "4a IY &Z'[\' Cai 1'

] Io n!t 9e3 #h!6end!ng

Io &]

Z KEng da2n "4a #ao a3 m 1''

^ Ca# oai ,ong ho !ng8 a3 #

Cai &

+. N#an &:

TT H 0aF "en T2n# @4 C#* 0% "a! *n( "2Fn(

1 $go a=ngTho 64 s ,7a#ha+t Ch!: nhiem 9hoan 3h!t gia #o+,a+t

& %e Va=n nh 64 s ,7a#ha+t


) Tran e+%ng

64 s ,7a#ha+t


] %e _!an%!#

Tr!ng #a+3C


Z Hoang Va=nTin C$T ToN tr:ng toN 9hoan 3h!t &

^ %e 0nhhoat

C$T ToN tr:ng toN 9hoan 3h!t )

\ Phan Va=n$g!

C$T ToN tr:ng toN 9hoan 3h!t 1

Cong nhan 1[\ \[\ )' ngi

I. HOAN PHUT GIA CO ,AT ,AI TRA:

1. Mang li khoan phut gia co at:Tren #a# 3ham "i tie+3 gia gi4a #a! "a tng 9e #an @: 68#a# ho+ 9hoan 3h!t gia #o+ ,a+t ,# /o+ tr thanh nhie! hang



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t!6 th!o# "ao /e rong #a# "7 tr #an @: 68 9hoa:ng #a#h

gi4a #a# ho+ 9hoan tren hang @em /a:n "e4 ma


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$ha tha! thi #ong se4 ,a "ao #ong tr0nh t Z ,e+n 1'

ma6 9hoan #!:a $hat #he+ tao. Ma6 9hoan #o 9ha: na=ng9hoan ,ng 9nh t ]Z ` 1Z' mm8 #hie! sa! 9hoan to+i ,aa 1''m8 oai ma6 "a 9hoan ,# g!ong @oa;n8 "a9hoan @oa68 /m r:a o2 9hoan. a:m /a:o ,# ta+t #a: #a#thong so+ 964 th!at nh a3 # tren ,a68 so+ "ong 5!a68! ng n# /m r:a8 3h!# "! to+t #ho 964 th!at 9hoan3h!t gia #o+.

Mo2i ma6 9hoan ,# trang /7 ,ong /o #an 9hoan8 9emtheo #a# /o 9hoan @oa;n8 /o 9hoan @oa68 #a# thie+t /7

,ong /o 9ha#8 /o ma6 /m n# "a th nghiem ,oNn# tai hien trng.

T#!e'" - 5#%".

o+i "i tng hang m!# rieng e:8 thie+t /7 3h!t 3ha:i ,a3 ng#a# 6e! #a! sa!

KEng 3h!t Wman#hetteX a o+ng sa;t #o ,ng 9nh t ^'mm da6 ) ` ] mm

Ma6 /m 3h!t IY &Z'[\' #ong s!a+t to+i ,a \' W%[3hX di

a3 # Z' -^' 9g[#mk. Ma6 tron "4a hoat ,ong # ho# ,# trang /7 th!ng 9e38

s# #ha mo2i th!ng 9hong t hn ]'' WX "i #a# #anh5!at 5!a6 &Z' ,e+n )''ng[3h. Thi gian tron #ho mo2i me:9eo dai t nha+t a Z 3h!t tr# 9hi /m "4a "ao ho+3h!t.

Ca# thie+t /7 d!ng ,eN @a# ,7nh #hnh @a# ng "at ie!3h!t "a nong ,o 3h!t W#an /an8 /0nh @a# ,7nh t6: trong8

@a# ,7nh ,o nhtX theo ,!ng 6e! #a! trong s!o+t 5!atr0nh 3h!t.

Ca# oai ,ong ho ,o ! ng8 ,o a3 #8 #a# oai "an,ie! #hfnh8 ,ng o+ng da2n "4a a3 # ,!ng tie!#h!aNn8 tien i trong s: d!ng.

c V!a phut V4a 3h!t[@i ma=ng Chf 3h!t mot nong ,o ,a4 #hon #ho

3h! h38 /m di a3 # ta=ng dan #ho ti a3 # thie+t

9e+ "a gi4 oNn ,7nh #ho ,e+n 9hi 9e+t th!# 3h!t #ho tng,oan. T!6 nhien #h! 6 5!an sat s /ie+n ,oNi /e ma


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,ng8 9e trong 5!a tr0nh ta=ng a3 # 3h!t ,eN #o /ien

3ha3 @: 6 nga6 ne+! #o hien tng /a+t thng @a:6 ra.

>i9a d!ng "i t6: e a 1j.

V4a 3h!t "a "4a /o# ,# 3ha tron theo t6: e "a nong ,o#ho "at ie! 3h!t nh sa!

"hoi lng pha t#on cho $1 % &'ung 'ch (!a ao go)%:

%Fn( e" Ben"n!"e MC

$# O1 t

Cement PC]' &&' - && 9g

Ientonite (MC Z' - ^' 9g

"hoi lng pha t#on cho $1 % &'ung 'ch (!a phut go)%:

%Fn( e" Ben"n!"e MC

$# O1 t

Cement PC]' & - )1' 9g>i9a 1 ` 1.& t

Can /o 964 th!at t!6 th!o# nh! #a! #o theN @a# ,7nh ta=nggia:m ng "at ie! 3ha "4a ,eN ,a:m /a:o nh4ng #hf tie!thong so+ 964 th!at.

2.& *e+u ca)u k,! thuat khoan tao lo

(a "ao hien trang #!:a 9h! "# thi #ong8 #a# ho+ 9hoan 3h!t

gia #o+ ,a+t ,# thie+t 9e+ tnh toan "a /o+ tr ,a:m /a:o ,oan. Va se4 ,# a3 d!ng trong s!o+t 5!a tr0nh thi #ong taihien trng.

Ve # /a:n #a# ho+ 9hoan /o+ tr tren hang ,# ,a


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Ca# ho+ 9ieNm tra sa! 3h!t naBm tren hang hoa


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2.0 T#nh t khoan (a phut gia co at:

Cong ta# 9hoan tao o2 "a 3h!t "4a tai mo2i ho+ ,# tie+nhanh theo s ,o sa! Hn# 8

Cong ta# 9hoan

Cong ta# 3h!t

Pma@ 3h!t Thie+t 9e+

Woan sa!X (Neu kh!ng c"n #c $ie% $he&

Hn# 8: @$ *#%n( 0e$ "2n# " /#an 5#%"

2.3 Th t khoan phut

Ca# ho+ tren hang ,# th# hien theo th t sa!

Ph!t #a# ho+ e: 9hoan 3h!t tr#8 #a# ho+ #han 9hoan 3h!tsa!. hoan tao o2 l ,a


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%ng "4a /# '& #hie+m 9hoa:ng 1[) ,e+n 1[& ng "4a

5!6 ,7nh.

Trong trng h3 9hi 3han t#h so+ ie! #!:a '& /# ,a43h!t @ong8 ne+! tha+6 tren Z'j so+ ,oan 3h!t 9hong ,ata3 # 3h! h3 "i 6e! #a! thie+t 9e+ W& 9g[#m&X8 th0 3ha:itie+n hanh 3h!t /# ) #ho so+ ho+ 9hoan ,o8 9e+t 5!a: /oNs!ng na6 5!6e+t ,7nh s #an thie+t 3ha:i 3h!t ') /# tainh4ng ho+ nao hoa


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Theo do4i sat a3 # 3ha "4a /o# ,eN ngng 3h!t 973 thi.

$e+! nghi ng #o hien tng e#h o2 3h!t 3ha:i ,a n!t3h!t en tren hoa


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hi 3h!t8 3ha:i 3h!t ien t!# #ho ti 9hi ,at ,o #ho+i hoa


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Mo ,!n ,an hoi nho: nha+t Wminim!m se#ant mod!!s o

easti#it6X8Wprom shear tets on ea9est 3aneX X 1^' $[Mk. (!ng trong t WMa@im!m et !nit eight 1$[Mq. V7 tr #a# ho+ 9hoan 9ieNm tra do Ian "a #h!: nhiem

3hng an 9hoan 3h!t @a# ,7nh tai th# ,7a tren # s:3han t#h #a# 9e+t 5!a: 9hoan 3h!t. >o+ ng #a# ho+9ieNm tra d 9ie+n 9hong "t 5!a Z ` 1'j toNng #a# ho+,a4 9hoan 3h!t.

+. TIEN ,O THI CONG

Tie+n ,o thi #ong #a# hang m!# #!:a goi tha! a '\ thang89eN t nga6 /a;t ,a! 96 h3 ,ong.

1. E HOACH VE INH MOI TRNG VA AN TOAN AO,ONG

Ve @inh %o+i t#ng.Ca# tie! #h!aNn thi #ong ,# s: d!ng ,eN ,a+! tha! "a 96h3 ,ong @a6 a;3 /ao ham #a# ,ie! 9hoa:n #! theN @a# ,7nh

#a# /ien 3ha3 3ha:i ,# #ha+3 nhan ,eN ,a:m /a:o an toan#ho #ong nhan8 moi trng "a s# 9ho:e.

Ca# hanh ,ong #hnh nha tha! #an th# hien a a3 9e+hoa#h "a /ien 3ha3 5!a:n 6 #a# #ha+t tha:i ra;n "a #ha+ttha:i ,a+t trong #ong tr0nh /ao gom

a. Ca# th!: t!# "e thao ta# d48 th! hoi ,o+i "i #a# #ha+ttha:i ra;n do "ie# 3ha d4 #a# #ong tr0nh tam /a:o ,a:ms thong thoang tr# 9hi ,a #ong tr0nh "ao s: d!ng.

/. oN "a oNn ,7nh /!n #at nao "et t #a# ho+ mong #ongtr0nh W$e+! #oX8 "an #h!6eNn ,e+n /a4i tha:i 5!6 ,7nh hoantoan 9hong am a:nh h:ng ,e+n sinh hoat8 moi trng#!:a nhan dan.

#. Chon "7 tr /a4i tha:i "a #a#h @: 6 #ha+t tha:i h3 6.d. Ca# gia:i 3ha3 964 th!at sa! 9hi thi #ong hoan toan

9hong am a:nh h:ng ,e+n hoat ,ong #!:a #a# #ongtr0nh 9ha# trong s!o+t thi gian thi #ong.

e. Tai /a4i tha:i nha tha! 9hong ,# ,eN a6 oi /!ng

nh!ng "a a+3 dong mot #ong tr0nh nao gan ,o8 "7 tr/a4i tha:i ,# tnh sao #ho 9hi #o ma n8 hoa


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T!6et ,o+i nha tha! 9hong ,# tha:i #a# #ha+t de2 ga6

o nhie2m #ho ng!on n# nh @a=ng da!8 #a# sa:n 3haNmnha. _!o+ng ong 9enh.

. %a3 9e+ hoa#h "a /ien 3ha3 5!a:n 6 "e giao thongnhaBm ,a:m /a:o #ho "ie# thi #ong ,at #ha+t ng to+t "a,a:m /a:o s ,i ai trong 9h! "#8 ,a:m /a:o an toan "egiao thong8 tranh nhie2m /aNn 9hong 9h do #at /!i ama:nh h:ng ,e+n sinh hoat #!:a nhan dan 5!anh 9h! "#.

g. Co 9e+ hoa#h "a /ien 3ha3 5!a:n 6 "e thie+t /7 thi

#ong "a "at ie!8 /ien 3ha3 /a:o ,a:m an toan #ho thie+t/7 "a #ong nhan8 /ien 3ha3 #ho+ng #ha6 noN8 3hong !4!t trong thi gian thi #ong8 /ien 3ha3 gi4 "e sinh hientrng thi #ong8 @: 6 an toan n# tha:i8 #a# 9h! "esinh8 9e+ hoa#h #!ng #a+3 n# !o+ng #o #ha+t ng to+t.

h. $ha tha! 3ha:i #o /ien 3ha3 @: 6 973 thi ,e+n "ie#o nhie2m ng!on n# trong 9enh8 /ien 3ha3 na6 3ha:i,# s ,ong 6 #!:a #h!: nhiem ,ie! hanh d an.

i. Hoan tra: ai ma


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Ca# t!6e+n ,ng ,i ai "an #h!6eNn8 #!:a #a# 3hng tien

# gii "a th!: #ong. He tho+ng #a# #ong tr0nh na=ng ng8 n# 3h!# "! thi

#ong "a sinh hoat.

$h4ng "!ng ng!6 hieNm do "at #o theN ri t tren #ao @!o+ng3ha:i ,# rao #ha;n ,aa! 9hi thi #ong @ong8 ,n "7 thi #ong 9hoan 3h!t gia #o+ ,a+t a3ho s hoan #ong8 ho s gom

1. Tai ie! ghi #he3 hien trng IieN! ghi #he3 9hoan taoo28 /ieN! ghi #he3 3h!t gia #o+.

&. IieN! ghi #he3 a;3 ,a


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Z. Th!6e+t minh8 /ao #ao hoan #ong "a #a# /a:ng /ieN!

,nh 9em.



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CAC BIE6U BAKNG

UNG CHO CONG TAC GHI CHEP K HIEN TRNG

- $hat 96 9hoan @: 6

- $hat 96 3h!t gia #o+ ,a+t

- IieN! ghi #he3 tnh toan Th nghiem tha+m hientrng

- Ia:ng toNng h3 9ho+i ng

- IieN! a+3 ho+ 9hoan

- IieN! theo do4i ,a

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