Integral Abutment Bridge Design 的几篇文献

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Integral Abutment Bridge Design Guidelines(92 Pages)
8 H3 M* T! @0 [ Integral Abutment Bridge Design Guidelines.pdf (1.59 MB, 下载次数: 78, 售价: 1 元堡币)
. A) h, U9 h/ W# E( X& W/ UTABLE OF CONTENTS6 ?) K; h6 c% ]: `
Table of Contents...........................................................................................................................................vii& }) _* k7 [. z  T7 ~1 ?
Introduction.....................................................................................................................................................xi
- l8 z5 V  p/ v% P: v0 ~SECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
' i/ n  F9 Z2 G! t0 T% ~+ `1.1 Integral Abutment Bridge................................................................................................................1-1. [) i8 l3 j. t
1.2 Difference from Conventional Bridges............................................................................................1-1
8 |# d3 ?6 t8 k' K% v5 c1.3 Document Precedence.....................................................................................................................1-1, P3 U; V0 D0 D
1.4 Definitions......................................................................................................................................1-18 h5 F( s/ ]5 N& D+ r) R$ L" i
1.5 Notation..........................................................................................................................................1-3* [1 ^5 R; b% P" M
SECTION 2 General Design and Location Features.....................................................................................2-1  l) S* K( P6 C7 I
2.1 First Choice.....................................................................................................................................2-1
9 z/ ]% P  U. K- `- V2.2 Structure Geometrical Criteria.........................................................................................................2-1
6 v3 b. Z6 l+ X3 C* ^/ B2.2.1 Criteria for the Simplified Design Method.............................................................................2-1
8 [! \6 J* M% x, p! l* ~( e/ r2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-2
6 |0 z( P" Q( f6 R' M' G' @2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2
3 [6 |. h" K, ]8 U/ t. W! s' V2.3 Laying out the Bridge......................................................................................................................2-3
, m; b4 g8 V5 m0 |( Q! q2.3.1 Conventional Layout..............................................................................................................2-3
! {% }3 @  l7 i0 |2.3.2 Ideal Layout...........................................................................................................................2-3
- P. s0 s* `) W6 p: V2.4 Hydraulic RequirementS.................................................................................................................2-5
+ k5 K# p/ z" e7 F: t2.4.1 Scour Considerations..............................................................................................................2-6
$ S& p- l* z! Z. `3 E& o1 q, Y2.4.2 Cofferdam Requirements.......................................................................................................2-6
" }$ \& Z( }1 K6 v# ?& c5 A2.5 Geotechnical...................................................................................................................................2-6
8 b! T* m0 _# XSECTION 3 Loads........................................................................................................................................3-1- P: M& s- B  K5 I
3.1 General Information........................................................................................................................3-1
0 a, |0 X0 L$ q; K" N+ _$ I3.2 Application of Loads.......................................................................................................................3-1" Q2 C- t+ s& I; w
3.2.1 Construction Stage.................................................................................................................3-1
1 B$ @, x6 V& O: d- m3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1
, y- J# T  V' R. @3.2.1.2 Construction Dead and Live Loads...............................................................................3-1
# p, ~$ s+ C' t* J3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1; [: f) @2 j- Y
3.2.2 Final Stage.............................................................................................................................3-14 R, \% g8 f" v0 @0 R0 T
3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
: f( s4 p. T  U( [7 T3.2.2.2 Live Loads....................................................................................................................3-2
7 n% E, {2 O* v1 N) h* z. l  [0 G7 e3.2.2.3 Longitudinal Effects.....................................................................................................3-2  f$ x3 L/ b: D- a
3.2.2.4 Earth Loads...................................................................................................................3-2
- [& A9 k/ I  i0 B1 fSECTION 4 Structural Analysis and Evaluation...........................................................................................4-19 g) X3 k! s) B6 |* [
4.1 General Information........................................................................................................................4-1
% ]$ [' S! F: j4 C2 y' S$ N6 [5 J8 Z& ]4.2 Structural Design Criteria................................................................................................................4-1$ z9 V! y+ ^" m# ?5 t8 Y
4.3 Design Methodology......................................................................................................................4-1
2 {; c  t5 {( g  z* V  m1 C4.3.1 Simplified Design Method.....................................................................................................4-1
: B' d# y+ ~/ ^! {2 j4.3.2 Detailed Design......................................................................................................................4-2
1 c# {% P% I* h. Z' v- G* E4.4 Superstructure.................................................................................................................................4-2
7 ~# V  u# u' S, ^4 G9 ^% Y9 t4.4.1 Bridge End and Anchorage General Details..........................................................................4-2
: ~$ p2 x5 Z9 U, Q4.5 Substructure....................................................................................................................................4-3
8 {( U" @& u, V. Q' z- i4.5.1 Abutment Movement..............................................................................................................4-3
9 v; {5 U, H1 y) K8 C, @' y( m  W. C6 ^4.5.1.1 Thermal Movement.......................................................................................................4-3
# f/ |% z& @% M6 F4.5.1.2 Shrinkage and Creep.....................................................................................................4-41 T: Q: A& u/ j# s8 }
. 2009 by the Structures Section, Program Development Division$ \( k" }7 a$ A& L+ K
Vermont Agency of Transportation6 ?" K5 h4 W& R1 k( _) J  l* i# }8 E
viii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE
) Z3 k- N& g, g- M7 c* v4.5.1.3 Total Allowable Movement..........................................................................................4-4
; ~3 e- ^3 |0 j/ e8 _& `4.5.1.4 Grade of Steel...............................................................................................................4-4
- M% b' M9 |+ P' @! `1 s" u4.5.1.5 Pile Selection................................................................................................................4-4
( \: l9 Q8 r5 m' V' n) |4.5.1.6 Pile Orientation.............................................................................................................4-95 P" W* e+ T; O$ B- x8 n
4.5.2 Pile Design............................................................................................................................4-9
% j$ R' j( p; q4.5.2.1 L-Pile Software Analysis............................................................................................4-11& i9 H2 @7 [" T
4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11
1 e3 o: _! c7 J  b% K# Q4.5.2.1.2 Pile Deflection and Moment..................................................................................4-11
1 O: G/ a. h9 @; y1 }4.5.2.1.3 Unbraced Lengths..................................................................................................4-12
% g4 ?/ w5 ~) F) h0 z2 r( {) u4.5.2.1.4 Depth to Fixity.......................................................................................................4-12- o1 I( R7 x* m: T) y, I+ Y2 d
4.5.2.2 Combined Axial Compression and Flexure................................................................4-16; ?( `( h" A4 N9 X
4.5.3 Pile Cap...............................................................................................................................4-16
" L9 }5 A( A- n9 P9 K- m4.5.4 Wingwall Design..................................................................................................................4-166 ]( t5 c( y7 R, I
4.6 Project Notes and Special Provisions............................................................................................4-16
5 ~" _3 ]/ p! r, z& R- c4.7 Load Rating..................................................................................................................................4-16. @5 I/ l8 a; Y) N
SECTION 5 Concrete Structures...................................................................................................................5-1
* `. @  W5 P% c, [5.1 General Information........................................................................................................................5-1
" R% f$ c7 _0 e1 i  }$ Q5.2 Prestress Superstructure Specific Details........................................................................................5-1
4 V3 @# w  t4 |  f( k  i0 V# z. s5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-1
* P/ D+ }, ?+ L2 v0 H5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2
5 I5 w% Q" @8 S5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-4
& v; Y. h$ k! z* j5 R& n: f5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-4
4 _7 V, C% R/ a4 z6 G- U5 @0 mSECTION 6 Steel Structures........................................................................................................................6-1
. A) g9 ?! E; x: l. y6.1 General Information........................................................................................................................6-13 W& S- Y, I8 d  X
6.2 Steel Girder Specific Details...........................................................................................................6-1
% D3 w! N  [- Y: I7 M5 sSECTION 7 Aluminum Structures................................................................................................................7-15 [- B2 W; z$ X  l2 P. j- O/ f
7.1 General Information........................................................................................................................7-1" u! Q8 a/ t* ]2 W
SECTION 8 Wood Structures.......................................................................................................................8-1
$ L3 j% a3 c& y! w8.1 General Information........................................................................................................................8-19 T, N1 `+ S. k7 G8 p
SECTION 9 Deck and Deck Systems............................................................................................................9-1
) M8 h- ?' M. m9.1 General Information........................................................................................................................9-1
) c# b6 [7 e. X. Q) eSECTION 10 Foundations..........................................................................................................................10-1
# ^$ G6 Z9 K& ?/ |4 {10.1 Initial Considerations................................................................................................................10-11 H6 O  y7 i% a8 N3 {8 A) U
10.1.1 Geotechnical Exploration.....................................................................................................10-1( [7 i; t, j1 c$ [/ |$ m8 z
10.1.2 Pile Design and Verification................................................................................................10-1
$ h: d/ C* B' Y: J4 ~! {10.1.3 Required Information for Contract Documents....................................................................10-1$ f7 I$ U7 R2 [
10.2 Selecting a Pile for Integral Abutments....................................................................................10-1# c" |$ a/ o( D
10.2.1 Loads on Piles......................................................................................................................10-1  W; p$ x* L% Y: h7 N7 f
10.2.2 Pile Cap Geometry...............................................................................................................10-2
; T5 I$ t6 Q% q& L  v2 m  x  ^10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-2
4 K6 J8 P( O2 ^$ q10.2.2.2 Pile Groups.................................................................................................................10-2. Q9 u% e) I4 |) m4 y1 V; m* y
10.2.2.3 Pile Length Requirement............................................................................................10-2
9 n9 [- s, t+ `' {10.3 Service Limit State....................................................................................................................10-2
1 v: s' h3 C1 w  j: K! _3 s: m" s5 S10.4 Strength Limit State..................................................................................................................10-2
# f+ Y& l8 Z" i0 }2 Q" \10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-3! V: i5 \  b+ ^( c( X+ P  l  |
10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-3" V5 ?7 X) O6 f- W+ p* N4 q
10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3, o' c: Y  x& N8 i0 k# Z
10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3# o1 D" T1 N3 U1 `) d7 }1 M& b) t
. 2009 by the Structures Section, Program Development Division( B5 w9 U! `/ O: x1 @
Vermont Agency of Transportation
/ _3 R7 R, O. A: N6 bTABLE OF CONTENTS ix
" i& m$ ]8 d1 Q6 c10.5 Pile Driving Analysis................................................................................................................10-4
: N& Q9 l- Z. l1 Y0 J10.5.1 Pile Driving Concerns..........................................................................................................10-4
, g$ J' @3 }. R10.5.2 Maximum Pile Driving Stress..............................................................................................10-4; H$ F1 Y- t( q$ F
10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
: ^" v% V% M( h2 ^" t10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-5
7 ~2 Q1 ^* a# k. N% d10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-5) z% w! J9 v7 o/ Y0 ^* D
10.6 Design Steps for Piles...............................................................................................................10-6
- E. h+ I- c& OSECTION 11 Abutment, Piers and Walls....................................................................................................11-1" Q+ L% R- K5 Z, ?0 a! o
11.1 General Information..................................................................................................................11-1
) g/ z  N% A; i9 D6 ISECTION 12 Buried Structures and Tunnel Liners....................................................................................12-1
* G3 h- \5 X1 X$ ?' I4 \# t12.1 General Information..................................................................................................................12-1  u7 n% y' a3 e2 R
SECTION 13 Railings................................................................................................................................13-10 }  _$ w+ C# |% g' M
13.1 General Information..................................................................................................................13-1* [% Z7 [1 _, A- t* e6 o
SECTION 14 Joints and Bearings...............................................................................................................14-1
' }+ T) u' j# S14.1 General Information..................................................................................................................14-12 }+ e2 z  [, M2 R0 g
SECTION 15 Summary..............................................................................................................................15-1
8 i; x- ]$ b! _/ d/ D, Y, m" }SECTION 16 References............................................................................................................................16-16 v7 O, \0 i) e+ l6 ]" H' v
16.1 General Information..................................................................................................................16-1/ m- f' K) e; w9 K- X# U; T( d
16.2 Performance.............................................................................................................................16-1
  j. X. e% T% p, C& N. K6 g16.3 Design Issues............................................................................................................................16-2+ u/ r& v: i! E' b
16.4 Analysis....................................................................................................................................16-2$ O/ T% g' Q% {- K- y$ P7 H
16.5 Approach Slabs.........................................................................................................................16-2
+ c; H7 {. x6 I+ u3 Q16.6 Forces.......................................................................................................................................16-2
8 E) w! h1 |% D' U16.7 State Manual References...........................................................................................................16-3
- Z0 c6 X' T' A& qAppendix A Design Outline.............................................................................................................................1
7 v3 F& e3 w7 b$ S6 I+ q4 IAppendix B Design Example...........................................................................................................................1
4 d$ f6 G5 g% tNotes:..........................................................................................................................................................16-12 J0 K: V# E, I, I2 J! B
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cjcc 发表于 2011-4-8 23:00:03
INTEGRAL ABUTMENT BRIDGES - DESIGN AND CONSTRUCTIBILITY (8 Pages)0 N( P% [+ a, q& G% ~8 {" g' B8 x" U, M
integralabutmentbridges.pdf (368.95 KB, 下载次数: 11, 售价: 1 元堡币)
4 n+ D8 n. ~7 R% M+ wDavid I. Harvey, Don W. Kennedy
  N/ ^, @& [0 V8 `8 wAssociated Engineering (B.C.) Ltd., Canada9 G0 I7 Q/ n6 B, H
Gordon W. Ruffo  @3 V& }( ^; c# v' N
Carston-Aimes Construction Consultants Ltd., Canada
4 y; x- T7 a8 f% w, Q8 V* w, o8 t
7 [1 B* E9 L1 o/ j5 ?
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cjcc 发表于 2011-4-8 23:12:33
本帖最后由 cjcc 于 2011-4-8 23:13 编辑
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1 `. {$ X$ N/ V2 w2 f8 }Integral Abutment Bridges Current Practice in the United States And Canada(20 Pages)9 m' ~1 f2 z1 R, u+ L6 E
Integral Abutment Bridges Current Practice in the united states and Canada.pdf (1.44 MB, 下载次数: 28, 售价: 1 元堡币) $ K, M4 y; ^- S5 t; V

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cjcc 发表于 2011-4-8 23:18:54
INTEGRAL BRIDGE ABUTMENTS(50 Pages)
0 o' k5 D' p( G5 M7 I! ]R. J. Lock5 ^/ W) @) H! y# J( G
CUED/D-SOILS/TR320 (June 2002)+ Q2 t5 R( i, e! Q. c9 v: t
M.Eng. Project Report
1 t4 B* P; e2 y# L INTEGRAL BRIDGE ABUTMENTS.pdf (1.47 MB, 下载次数: 3, 售价: 1 元堡币)
& |9 T. M* z9 S! Q/ \6 ?& ]" I; y1.0 INTRODUCTION ..............................................................................................4
6 |$ `/ J+ W$ |, `1 p1.1 Purpose and Scope of Project .................................................................................... 5
8 R: ^7 E( U1 j1.2 Mode of Bridge Movement ....................................................................................... 6& O$ B* i0 l+ u: U1 b+ ]* `0 S
1.3 Magnitude of Deck Expansion .................................................................................. 6
: w. F0 w- m7 a0 _( b" u2.0 LITERATURE REVIEW - Model Test Procedures...........................................74 X7 J/ N. }5 Q+ _4 \
2.1 TRL Report 146: Cyclic loading of sand behind integral bridge abutments............. 7
5 y5 N) i" \. b8 N2.2 Integral Bridges: A fundamental approach to the time-temperature loading problem
1 `/ a6 l8 m4 ?' J3 s, \6 Z(England et al., 2000) .......................................................................................................... 114 `6 X& S3 G/ A; ^& }2 y& g
3.0 EARTH PRESSURES - Experimental Results.................................................13! y9 d2 A; N) @) V+ ^* k/ d
3.1 BA 42/96 - The Design of Integral Bridges ............................................................ 13( J0 B. z6 ?3 d$ t
3.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments/ q' g( J, r: j) |
(Springman et al. 1996) ....................................................................................................... 14) m2 o$ Y9 }+ X. q* P. A, D
3.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
/ ?% {* l5 Z0 v& I4 t(England et al., 2000) .......................................................................................................... 164 ~$ W) {& n+ @8 E5 Z
3.4 Experimental and Analytical Investigations of Piles and Abutments of Integral3 r9 c4 u! D# x9 `9 V) [0 k
Bridges (Arsoy et al., 2002) ................................................................................................ 19
: j; e" M/ k; ?, I' H; I4.0 EARTH PRESSURES - Field Measurements ..................................................20
5 |1 c$ J* k* G- i+ E# B6 ^4.1 Field tests................................................................................................................. 20) w& b6 \. S. ~1 Q0 I
4.2 Testing an Integral Steel Frame Bridge: Elgaaly et al., 1992; Skew Effects on: v+ L/ N, \# k! ?+ N$ T
Backfill Pressures at Integral Bridge Abutments: Sandford & Elgaaly, 1993. ................... 21. y$ L; u: e5 d3 d4 N
4.3 Measurement of thermal cyclic movements on two portal frame bridges on the M1:
3 F  @( B# Z# v  A* }; {7 eDarley & Alderman, 1995 ................................................................................................... 24' a$ R  G! C0 X/ @+ ]6 k% U1 S
4.4 Field Study of an Integral Backwall Bridge: Hoppe & Gomez, 1996..................... 24
* o  H7 O* p/ r5 G6 p) M3 G+ i7 G) _4.5 Seasonal thermal effects over three years on the shallow abutment of an integral
' ^, d6 {& R  ~% X5 M3 g4 Nbridge in Glasgow: Darley et al., 1998................................................................................ 268 h+ ~/ x% J7 }! D6 f
4.6 Performance of an integral Bridge over the M1-A1 Link Road at Bramham
6 ?6 Z8 R* f. x6 i. N% V" D( l. jCrossroads: Barker & Carder, 2001 .................................................................................... 27
8 o1 b+ I5 a4 I4.7 Field Performance of Integral Abutment Bridge: Lawver et al., 2000.................... 28
! w- o3 C7 u/ V' j# {4.8 Integral Bridge in West Lafayette, Indiana. Frosch, 2002....................................... 29  _- B0 a/ r& m' T5 T- p
4.9 Coefficients of Thermal Expansion......................................................................... 30
  ]( _7 r: `- }/ y$ z( g4.10 Influence of deck compression................................................................................ 31/ D9 P, @1 l1 i/ B: C3 c2 x
5.0 SETTLEMENT - Experimental Results ...........................................................332 C5 z, y: {- k$ _$ l+ q# E
5.1 BA 42/96 - The Design of Integral Bridges ............................................................ 33/ `& |; o$ `3 J; Q0 r1 s- R
5.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments' Q/ }+ V8 J: M: j  I
(Springman et al. 1996) ....................................................................................................... 33
1 j" X3 z5 s0 ]. ^% \5.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
3 [+ u" K4 x& r# s+ G$ R(England et al., 2000) .......................................................................................................... 365 i9 G# z' z8 Z; j2 N2 I9 b
6.0 SETTLEMENT - Field Measurements.............................................................38
9 {3 U, Y- c0 R6.1 Highways Agency Maintenance Data ..................................................................... 38
* }0 ]4 _; D, u" A) @6.2 Field Studies ............................................................................................................ 40/ `0 }. r, o) I9 f. B
6.3 Approach Slabs........................................................................................................ 421 r4 A. \. ?# T3 Z  r
7.0 CONCLUSIONS...............................................................................................44
2 R3 J( |( Q5 s% r7.1 Superstructure.......................................................................................................... 44
! d- C! `- r$ i/ b. F' k7.2 Abutment design...................................................................................................... 44" |  f: E! g1 g( Z) j2 p" Z
7.3 Settlement mitigation............................................................................................... 45- c) Q" x. y) Z6 P, K% F
8.0 REFERENCES .................................................................................................46
' \5 ~* P2 T. h) Z) d9.0 ACKNOWLEDGEMENTS..............................................................................49
6 y, l9 s. E7 v& I9 w  }6 t" OAPPENDIX A Earth pressure coefficient definitions .............................................50  N9 Y' a' G: l3 e0 d" j, `+ Q. D
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cjcc 发表于 2011-4-8 23:36:47
本帖最后由 cjcc 于 2011-4-8 23:38 编辑 5 H$ u% s8 D5 I1 F% _4 I
. ]* s" x+ a% x4 Y
THE 2005 – FHWA CONFERENCE 会议论文集(343Pages)
& |- Q" k* W/ z; E! MIntegral Abutment and Jointless Bridges; T. N1 z% u" D0 l- I4 |
(IAJB 2005) March 16 – 18, 2005
" o/ m/ ^4 {8 X( {Baltimore, Maryland1 J' z. E- p7 q1 L) z6 \
Proceeding.part3.rar (753.87 KB, 下载次数: 3, 售价: 1 元堡币) 8 f# }5 K5 s& t+ \
Proceeding.part2.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币)
  l( Y  @. O* {! D3 W, o- c6 n Proceeding.part1.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) 4 U  L( K" R2 |1 f0 ?
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Session I: Current Practices with Design Guidelines and Foundation Design5 r5 G& v2 r9 K  y, @2 Q
Integral Abutment and Jointless Bridges                                                                    
0 _& v9 K" s' fV. Mistry                               3; X' l# _: j) w/ P( o6 l: H  U5 J

3 i, }0 |% F* T7 {  X8 y" ?8 uIntegral Abutments and Jointless Bridges (IAJB)          2004 Survey Summary         
  I$ N  N+ ^1 g- C$ d' gR. Maruri, S.Petro                 12; a$ _/ ]' r: u; K" _/ P! n$ Z* x1 b
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The In-Service Behavior of Integral Abutment Bridges:  Abutment-Pile Response    ; H8 k6 r4 i* _1 I7 X1 K0 V
R. Frosch, M. Wenning, V. Chovichien 30
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New York State Department of Transportation's Experience with Integral Abutment Bridges7 q# T# q7 X5 X1 O8 Y" q9 g- o- ~
A. Yannotti, S. Alampalli, H. White        41
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# y5 `! R8 S0 a+ Y1 F6 XIntegral Abutment Design and Construction: The New England Experience             $ q! m% C6 {) x( ?  f( q# S3 V2 c: g4 H
D. Conboy, E. Stoothoff                        50
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VDOT Integral Bridge Design Guidelines                                                                  
8 i9 K0 h0 u2 j) ?! t3 \K. Weakley                                            61) w4 e6 ?6 h9 a8 ^/ k1 M

8 t; E& k8 f  i- U$ GSession II: Case Studies( _, G, X) w1 @5 _9 ]
Case Study: A Jointless Structure to Replace the Belt Parkway Bridge  Over Ocean Parkway7 B: A6 H' s6 w9 E  X! a! d" X
S. Jayakumaran, M. Bergmann, S. Ashraf, C. Norrish 73
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+ K- u  P( t% `# k7 U1 dCase Study – Jointless Bridge Beltrami County State Aid Highway 33 Over Mississippi River in Ten Lake Township,
! s7 G$ ~$ b" Y  [9 H Minnesota J. Wetmore, B. Peterson                             84
8 |; D) P+ Y1 u9 D5 ^3 _) r* u8 T5 e& H0 _1 }! v* \) g
Design and Construction of Dual 630-foot, Jointless, Three-spanContinuous Multi-girder Bridges in St. Albans, West Virginia,) Z. `3 d3 \7 {4 r! F  v* F, @. u
United States, Carrying U.S. Route 60 over the Coal River: z: x8 o. K% J, v
J. Perkun, K. Michael                                                  970 l9 U3 p: w5 Y  x( B2 v# A& Z
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Integral Abutment Bridges with FRP Decks – Case Studies
! a) V% e9 T. r: k  D% }$ E( bV. Shekar, S. Aluri, H. GangaRao                             1136 [( a% ~  ~8 f5 b

5 {# n( a+ [2 X0 e+ n% iNew Mexico’s Practice and Experience in Using Continuous Spans for Jointless Bridges
4 e) o% K& A0 Y+ h0 o. S S. Maberry, J. Camp, J. Bowser                            125
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5 B" F5 k) x0 |9 _6 NIntegral Abutment Bridges – Iowa and Colorado Experience
6 B) k3 K/ R# f* n/ k D. Liu, R. Magliola, K. Dunker                               1367 \& x' ~4 k: u* {5 t7 X1 Z

) c" {8 _( A' ~. qMoose Creek Bridge – Case Study of a prefabricated Integral Abutment Bridge in Canada
/ [  s3 A$ ^" d: ]$ T2 e I. Husain, B. Huh, J. Low, M. McCormick                 148; |& N( h0 n; _# F) Z" t
Session III: Maintenance and Rehabilitation
, b* l+ X. N, @( ]  lSession IV: Construction Practices! ]4 T+ D, c! K7 S7 L
Author Index
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hewenlong2... 发表于 2011-4-9 10:52:38
what‘s   this  dongdong?

点评

同上,,,眼花。。。就像看到最新2010美国新规范一样的感觉,下了也看不懂。。。  发表于 2011-6-17 11:34
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greetingpi... 发表于 2011-4-16 17:57:35
一般银看不懂 this dongdong costs too much
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cjcc 发表于 2011-4-16 23:24:12
回复 greetingpine 的帖子
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* u1 u+ O& ^0 T$ m' F% M9 z* L加钱其实只是为了防止被人随便转到其他论坛上,要不我就把级别弄高点
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joppasd123... 发表于 2011-6-7 14:03:16
本帖最后由 joppasd1230895 于 2011-6-7 14:03 编辑
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这篇贴和 子菁版主的 美国道路桥梁深度考察报告9 r& ]0 O2 t4 \# a$ u
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联合起来看,来了解国外的桥梁设计方法。
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wilfordlee 发表于 2011-6-17 11:43:48
我觉得。。。国内很多地方的设计,虽然一部分原因是设计理念的差距,这部分差距是很大,但是另一个很重要的原因是市场的因素
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dongd 发表于 2012-3-2 11:19:13
工程投入、历史积累、理念等多方面的差距% ^+ P, _4 g; [/ i
有对比才有进步,取长补短。
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