采用千斤顶顶升桥梁梁体调整横坡的施工技术.pdfVIP

1020072

机械筑路工程有限公司冯剑叶鸿斌

K127+475

1

K127+4751-20m,

,,7,5,211cm

#

+9cm200mm,44(42)mm,04F

#

,1

1500m,3643%,

,()K127+465K127+485,2%,-009%

-081%()2%,

,,

,,()

2

(),(

,),

,,

,,-045%

21

211

470mm,2cm

212

6(100t),40a,

213

22

1,2

11

12

23

231,1

1

()

1234567

1234567891011121314

1666871666921666941666991667166705166707166712166714166719166721166726166727166732

#

0

166708166685166678166655166648166625166618166595166588166565166558166535166528166505

167431674351674371674421674431674481674516745516745716746216746416746916747167475

#

1

167411167388167381167358167351167328167321167298167291167268167261167238167231167208

注:考虑顶升施工的技术难度,采用跨中横作为控制顶升横,为减少采用控制横导致的梁端部的高程误差,

##

将0台垫石降低2cm,1台垫石标高提高2cm(按-045%横计算)

232

,(3)

3

31

(1),3

,12mm(15cm!15cm)(),C20

(2),

(3)470mm1cm60cm!60cm,20

,

(4)2cm60cm!60cm,60cm15cm!15cm,

1cm40cm!40cm,,

32

(1)40a,30cm,,

(2),,

1220072

20cm!20cm

(3),4,

,,

∀3%

(4),

,

33

(1),

,1mm

(2),4

,

(3),,,

(4),,

4

,,

41(5)

:

G=(139!5+