高鐵及動(dòng)車組鐵路工程UIUC4.1.1-CEE498HSR Civil Works-1 - Bridges and Viaducts SWJTU CONTENT - HANDOUT

3/12/20141Slide

1RailTEC@IllinoisCivil

Works

–

Bridges

&

ViaductsHigh

Speed

Rail

Engineering

TC

KaoConrad

Ruppert,

Jr.Rail

Transportation

&

Engineering

Center

(RailTEC)Department

of

Civil

and

Environmental

EngineeringSlide

2RailTEC@IllinoisTypical

Structure

Types3/12/20142Height

3.05m,

Width

of

deck

12.0m,

Weight

820tonsCross

section

of

dual-track

simply-supported

box

girder

10,463km

high-speed

railways

have

opened

to

traffic,

of

which

morethan

6,000km

are

bridges.

Percentage

of

simply-supported

box

girder

PC

bridges:

90%.

The

number

of

32m

simply-supported

box

girder

in

operation:

over200,000.Typical

Structure

Types—簡(jiǎn)支箱梁Cross

section

of

single-track

simply-supported

box

girderHeight

2.8m,

Width

of

deck

7.0m,

Weight

600tonsTypical

Structure

Types3/12/20143Long-span

prestressed

concrete

continuous

beam:

Higher

spanning

capacity;

Variable

beam

height;

Three

dimension

pre-stress

system;

Symmetry

cantilever

construction

technique

.Span:

72+128+72mBeijing-Tianjin

HSRHeight

of

support

point:9.6mHeight

of

mid-span:

6.5mCross

section:

single-box

single-cellTypical

Structure

Types—連續(xù)梁Luo

River

Bridge

on

Zhengzhou-Xi'an

HSR:

V-shaped

pier

continuous

rigid

frame

bridge;

Of

48+80+48

m

span;

Height

of

the

beam

is

reduced

and

uniform.Typical

Structure

Types—V型剛構(gòu)4Elevationhinge

3/12/2014

Typical

Structure

Types—連續(xù)剛構(gòu)Jialing

River

bridge

on

Suining-Chongqing

HSR:?

prestressed

concrete

continuous

rigid

frame

bridge;?

88+160+88

m

span?

Double

thin-wall

piers

with

lateral

combination

Completed

Under-construction

Typical

Structure

Types—斜腿剛構(gòu)

Gushan

Bridge

on

Shijiazhuang-Taiyuan

HSR:

Main

span:

90m;

Prestressed

concrete

slant-legged

rigid

frame

Whole

length

of

span:

145.0m

Slant-legged:

56.43°,

Hinged

with

foundation.5New

structure

of

a

combination

of

orthotropic

plate

and

trussCross

section

of

truss

3/12/2014

Typical

Structure

Types—混凝土拱橋

Beipanjiang

Bridge

on

Shanghai-Kunming

HSR:

A

stiffening-frame

reinforced

concrete

arch

bridge

with

445

m

main

span;

Arch

axis

is

catenary;

Height

of

arch

rise

is

100m,

ratio

of

rise

to

span

is

1/4.45;

Section

of

the

arch:

single

box

three

cells,

constant

height

(9.0m)

but

variable

width;

The

largest

reinforced

concrete

arch

bridge

in

the

world

Typical

Structure

Types—鋼拱橋Nanjiang

Dashengguan

Yangtze

River

Bridge

on

Beijing-Shanghai

HSR:

Main

span:

(108+192+336+336+192+108)m;

Structure:

Six-span

continuous

steel

truss

arch

bridge;

2

high-speed

railway

lines+

2

I

level

artery

lines+

2

subway

lines;

Three

girders

for

the

steel

truss

arch;

Large

stiffness,

heavy

live

load,

novel

structure,

beautiful

shape3/12/20146Wuhan

Tianxingzhou

Yangtze

River

Bridge

on

Wuhan-Guangzhou

HSR:

The

first

HSR

bridge

across

the

Yangtze

river

in

China;

Long

span

steel

truss

cable-stayed

bridge;

Total

length

is

4657m

with

Main

span

98+196+504+196+98m;

4

railway

lines

and

6

highway

lines

The

maximum

load

capacity

highway

and

railway

combined

bridgearound

the

worldSpatial

truss

structure

withthree

main

girder,

double

deckTypical

Structure

Types-斜拉橋An’qing

Yangtze

River

Railway

Bridge,

Anhui

province:

580m

steel

truss

cable-stayed

bridge;

4

railway

lines;

Finished

in

2013.Typical

Structure

Types3/12/20147Tongling

Yangtze

River

Bridge,

in

Anhui

province：

630m

steel

truss

cable-stayed

bridge;

Lower

deck:

4

railway

lines

(Beijing-Fuzhou

HSR,

Hefei-Tongling

Railway);

Upper

deck:

6

highway

lanes;

Finished

in

2013.Typical

Structure

TypesShanghai-NantongYangtze

River

Bridge:

The

length

of

Shanghai-nantong

railway

bridge

is

11,076m;

The

length

of

the

steel

truss

of

the

main

bridge:

5,838m.And

thecorrseponding

weight

is

about

400,000

tones.

The

length

of

railway-highway

section,

6,992m.Typical

Structure

Types3/12/20148Shanghai-Nantong

Yangtze

River

Bridge:

Investment

estimation

of

the

whole

bridge

project:

15.721

billionRMB

Being

under-construction

since

Dec.

2013

High

strength

steel:

Q500qE

for

40

segments,

Q420qE

for

52segments,

Q370qE

for

72

segments.

Main

pylon:

reinforced

concrete,

C60

for

the

pylon

body

and

C50for

the

pylon

base,

the

height

over

the

pile

cap

is

325m.

Cables:

2000MPa

parallel

steel

wire

cable,

the

maximum

length

is583.8m,

the

maximum

cable

force

of

a

single

truss

is

1,333.0

t.

Foundation:

rectangular

sunk

well

foundation,

86.9m×58.7m(standard

section),

height:

105m.Typical

Structure

TypesQiongzhou

Strait

Engineering：464+1408+496+496+1408+464m

serious

double-pylon

suspension

bridge:Upper

deck:

6

highway

lines;Lower

deck:

4

railway

lines

(

2

for

250km/h

HSR,

2

for

conventional

railway)Under

feasibility

design

phraseTypical

Structure

Types—懸索橋3/12/20149Wufengshan

Yangtze

River

Bridge:

Main

span:

1036m

railway-highway

suspension

bridge;

Layout

of

the

span:

84+84+1036+84+84m;

Upper

deck:

8

highway

lanes

from

both

way;

Lower

deck:

double-line

HSR

passenger

railway,

design

speed

250km/h;

Rise-span

ratio

of

the

main

cable:

1/10,;

Two

main

cables

along

the

bridge,

space

between

which

is

43m.

Under

Preliminary

Design

phraseTypical

Structure

Types—懸索橋Acontinuous

beam-arch

combined

bridge

on

Beijing-Tianjin

Intercity

HSR:

Main

span

60+128+60m;

Cross

section:

single-box

double-cells

girder

with

variable

height;

Feature:

limited

height,

effectively

reducing

the

line’s

elevation;

Arch

added

on

the

beam:

providing

enough

vertical

stiffness,

bettercontrol

the

deformation

due

to

creep.Typical

Structure

Types-組合橋3/12/201410Xiaolan

River

Bridge

on

Guangzhou-zhuhai

Intercity

HSR

(100+220+100)m

continuous

V-shaped

arch

composite

bridge

Feature:

limited

height,

effectively

reducing

the

line’s

elevation;

Arch

added

on

the

beam:

providing

enough

vertical

stiffness,

bettercontrol

the

deformation

due

to

creep.Typical

Structure

Types-組合橋Jin-Shan

Yellow

River

Bridge

on

Datong-Xi’an

HSR:

14-(2x108)m

single

steel

truss

stiffening

T-shaped

rigid

framecomposite

structure

Stiffening

steel

truss:

improve

the

enough

vertical

stiffness,

helpmeeting

the

requirements

of

the

beam

end

angle.Typical

Structure

Types-組合橋3/12/201411Slide

21RailTEC@IllinoisTypical

Structure

TypesThe

Integrated

construction

technology

of

box

girders:(1)

Full-span

Precast

Launching

Method

(FPLM).Fabricated

in-situ

Transported

ErectedSelf-developed

900

tons

girder

transportation

vehicleSelf-developed

900

tons

girder

erection

machine.Erecting

speed:

2~4

beams/day.Storage

and

outfitting

manufacturing

areaHSR

lineConstruction

Methodology3/12/201412(1)

Full-span

Pre-cast

Launching

Method

(FPLM):Pre-cast

girdersLaunching

girderTransported

by

installed

girdersConstruction

MethodologyConstruction

Methodology3/12/201413(2)

Movable

Scaffolding

Method

(MSM):Self-developed

1400

tons

movable

bridge

fabrication

machine.Speed：1

beam/

12~15

days.

Shoring

equipment

moving

and

adjusting

Outer

form

system

adjusting

and

inspecting

Web/bottom

slab

rebar-fixing

prestressedsheath

and

tendons

placing

Inner

form

systemmoving,

adjusting

andinspecting

Top

slab

rebar-fixingand

elevationinspecting

Concreting

Curing

Pre-stressingConstruction

Methodology

Basic

procedure

Forming

T-beam

Closure

of

adjacent

T-beams

and

side

spans

Example

of

three-spancontinuous

beam

Scaffold-pouring

straightsections

of

side

spans

Forming

T-beam

byhanging

basket(temporary

consolidationprocessing)

Closure

of

side-span,releasing

temporaryconsolidation

Closure

of

mid-spanConstruction

Methodology(3)

Cantilever

casting

method3/12/201414Yuan

river

bridge

on

Shanghai-Kunming

HSRType:

rigid

frame

with

continuous

beam

bridgeMain

span:

(88+168.0+88+40)

mWorld’s

largest

bridge

of

the

same

type

(design

speed:

250

km/h)Construction

MethodologyCantilever

castingConstruction

Methodology

3/12/2014

Construction

Methodology(4)

Constructing

of

continuous

beam-arch

bridgeContinuous

beam-

arch

bridgeRotation

construction

of

steel

tube

arch121

mjack

121

mLifting

equipment

Tower

frame

248

mcableClosure

of

steel

tube

arch

15

“firstly

beam,

lastly

arch”:

constructing

beam

at

first,

and

then

erecting

arch

ribs

on

bridge

deck;

Erecting

arch

ribs

by

rotation

construction

or

assembling

on

scaffold;

arch

ribs

closure,

pouring

concrete,

assembling

hanger

rods;

Stretching

hanger

rods,

adjusting

alignmentConstruction

MethodologyAssembling

arch

ribs

on

scaffold

3/12/2014Construction

MethodologyContinuous

beam-

arch

bridge

Construction

Methodology(5)

Swivel

construction:

continuous

beam

bridge

163/12/20141733Construction

Methodology(5)

Swivel

construction:

arch

bridge

Beipanjiang

Bridge

onShanghai-Kunming

HSRConstruction

Methodology(6)

Stiff

skeleton

construction3/12/201418Surrounding

concrete

of

different

partsof

arch

ring

-1Construction

Methodology(6)

Stiff

skeleton

constructionConstruction

MethodologySurrounding

concrete

of

different

partsof

arch

ring

-2(6)

Stiff

skeleton

constructionmember

WholesegmentWhole

span

Oresund

Bridge

(3500

tons

)香港汲水門斜拉橋

節(jié)段重量500t

Wuhan

Tianxingzhou

Yangtze

River

Bridge

(700

tons)

19

3/12/2014

Construction

Methodology(6)

Stiff

skeleton

construction

Surrounding

concrete

of

differe