Integral Abutment Bridge Design 的几篇文献

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Integral Abutment Bridge Design Guidelines(92 Pages)
0 O! Q! s! z' }' \! ~0 A Integral Abutment Bridge Design Guidelines.pdf (1.59 MB, 下载次数: 78, 售价: 1 元堡币)
% Z. }% {' E! [TABLE OF CONTENTS% D9 ~3 {; h! _* O
Table of Contents...........................................................................................................................................vii4 E# S( Y4 w7 ~0 f; r3 B
Introduction.....................................................................................................................................................xi. [2 y. Y, h  x  [. {  w
SECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
, c4 C9 w4 |8 d5 W' u+ k0 D: `1.1 Integral Abutment Bridge................................................................................................................1-1
: }  ]  A" e% G1.2 Difference from Conventional Bridges............................................................................................1-11 n- v" j0 v: i2 u' N* o; }1 `9 [
1.3 Document Precedence.....................................................................................................................1-1% ?% @$ l' i+ j8 z% h5 ~
1.4 Definitions......................................................................................................................................1-1' K' u7 ^( Z; b9 S$ ]; @2 p' d, N# V
1.5 Notation..........................................................................................................................................1-3& C+ g" ~* P  l  ~
SECTION 2 General Design and Location Features.....................................................................................2-1$ C1 ]1 i4 `- L, X! @1 |0 a
2.1 First Choice.....................................................................................................................................2-1
% ?3 G$ f! p) `$ j+ u5 `0 s" p2.2 Structure Geometrical Criteria.........................................................................................................2-1" F" s2 [5 ^; ~2 g' e4 \
2.2.1 Criteria for the Simplified Design Method.............................................................................2-1
- t/ |$ I4 m$ i+ |; b. T" R2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-2" r) X3 ~# ^9 d* l- c* I4 o& s1 u
2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2; t: L( k4 ^* T! M
2.3 Laying out the Bridge......................................................................................................................2-3# a& Q2 E; p& R5 |* l3 M3 @* W
2.3.1 Conventional Layout..............................................................................................................2-3+ r' d1 g3 A+ z$ s$ e
2.3.2 Ideal Layout...........................................................................................................................2-3+ a* J4 g/ T1 `) Y- w2 ^7 J! I
2.4 Hydraulic RequirementS.................................................................................................................2-5
/ U0 t3 ?$ p* ^' M# i1 \9 l2.4.1 Scour Considerations..............................................................................................................2-6
  Z% [; A3 c9 w; m* u1 O2.4.2 Cofferdam Requirements.......................................................................................................2-6
& r0 t8 ]  U( v% z7 E% p2.5 Geotechnical...................................................................................................................................2-6
1 p  U# \) I% B$ P0 E# aSECTION 3 Loads........................................................................................................................................3-1
: k9 }9 Q$ b3 [. T6 I+ B3.1 General Information........................................................................................................................3-1% l% I' _: F& \' Y: S7 @* J0 T
3.2 Application of Loads.......................................................................................................................3-1
. o* w- F9 v: _- ?4 U6 l3.2.1 Construction Stage.................................................................................................................3-1) Q/ K. Q+ K4 m  \8 q9 O6 x/ c
3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1
" e9 p" m. S8 P. W9 Q3.2.1.2 Construction Dead and Live Loads...............................................................................3-1
3 s, ]+ h8 {: C  `7 ?3 g+ ^: j3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1& ?! l0 b4 g5 U4 @9 C4 ^
3.2.2 Final Stage.............................................................................................................................3-1' P. H' t5 n0 W" ]2 E
3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
' m" m6 ~' s1 @9 p$ J5 u. i5 g9 ]3.2.2.2 Live Loads....................................................................................................................3-29 T0 r! L9 G& b* e7 w- u
3.2.2.3 Longitudinal Effects.....................................................................................................3-2' D# A1 q$ A/ \9 ^3 U
3.2.2.4 Earth Loads...................................................................................................................3-2
5 J$ F* k+ l4 Y5 o" ]/ _+ @SECTION 4 Structural Analysis and Evaluation...........................................................................................4-17 w1 q7 n4 G* |0 _& u; s
4.1 General Information........................................................................................................................4-1
, @  ]- d0 m" v4.2 Structural Design Criteria................................................................................................................4-1
; T0 p, i; C7 x' w; P, j4.3 Design Methodology......................................................................................................................4-1: d, h$ H5 j# @( O
4.3.1 Simplified Design Method.....................................................................................................4-1# }9 P5 W' N7 R4 c
4.3.2 Detailed Design......................................................................................................................4-2  q( g4 r9 z* p; a+ z+ i1 ?
4.4 Superstructure.................................................................................................................................4-2  H2 d% X' N' t, S# m3 v& X# F1 a/ s, M
4.4.1 Bridge End and Anchorage General Details..........................................................................4-2: H1 d( y  H: N" k* }& ?) a, w5 U! g
4.5 Substructure....................................................................................................................................4-3( u3 l, A! h; B6 F
4.5.1 Abutment Movement..............................................................................................................4-3
/ x7 f, `+ \; d8 K9 z+ \4.5.1.1 Thermal Movement.......................................................................................................4-3# D# m5 a2 b' b* t6 Y1 w$ H
4.5.1.2 Shrinkage and Creep.....................................................................................................4-4
) E! u2 i! o: P. 2009 by the Structures Section, Program Development Division# L, g! \' a5 B& l
Vermont Agency of Transportation8 Y, ?/ T6 V! X8 W$ C# W- w) r5 W0 b
viii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE. p* |  m: E$ U& a8 E: B$ y
4.5.1.3 Total Allowable Movement..........................................................................................4-4
% d' f& Z3 U9 }5 s3 T& `4.5.1.4 Grade of Steel...............................................................................................................4-4
  X0 \) n" K! }4.5.1.5 Pile Selection................................................................................................................4-4
8 c9 V* |* S& P7 J4.5.1.6 Pile Orientation.............................................................................................................4-9! u5 d/ Y( {* O9 y! N2 w! g" j
4.5.2 Pile Design............................................................................................................................4-9
1 x, S7 a; O: l) S& T6 C5 n% [4.5.2.1 L-Pile Software Analysis............................................................................................4-11
4 V, |# v' S% B2 J: f  D4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11
4 F, R, y! S9 m: {. Q$ x4.5.2.1.2 Pile Deflection and Moment..................................................................................4-11% Y: T) ~  E% b% U8 X
4.5.2.1.3 Unbraced Lengths..................................................................................................4-12
" `+ r& F4 c' x2 Q0 g4.5.2.1.4 Depth to Fixity.......................................................................................................4-12) q% m: W5 Y, m1 u0 x7 ^9 F' q
4.5.2.2 Combined Axial Compression and Flexure................................................................4-16
- _9 ?/ o4 E4 C. w5 T4.5.3 Pile Cap...............................................................................................................................4-16$ j: ^6 V# x7 w6 r
4.5.4 Wingwall Design..................................................................................................................4-16
/ |) j$ v2 j* i/ b0 f2 ^! \* _4.6 Project Notes and Special Provisions............................................................................................4-165 z- ~0 D" x6 W
4.7 Load Rating..................................................................................................................................4-168 Q7 [/ |- e3 ~0 O* V" @* J- G, ]
SECTION 5 Concrete Structures...................................................................................................................5-1% P2 Q: U+ R0 V9 H* S3 c
5.1 General Information........................................................................................................................5-1
* p# L( x. _  _" ?7 x6 O2 T- T5.2 Prestress Superstructure Specific Details........................................................................................5-1
4 i' S  T/ h4 A. c5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-13 @0 f% z: B( {4 ~$ f4 X7 W7 x
5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2
5 X, l3 x8 D$ a! m4 P, i7 L5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-4
; g! Z' k1 E. r% Q8 J5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-4$ H. H+ x0 ]+ ^" `' n
SECTION 6 Steel Structures........................................................................................................................6-1
( T2 Z' L7 a1 ~: K2 n. ^1 W6 V- e6.1 General Information........................................................................................................................6-1+ t' b# S4 J8 z9 ^
6.2 Steel Girder Specific Details...........................................................................................................6-1
( W/ P5 N$ O* f0 q$ V& vSECTION 7 Aluminum Structures................................................................................................................7-1; l* s/ g& ^. Y" ?7 f
7.1 General Information........................................................................................................................7-16 ?5 o! h8 y# h3 G
SECTION 8 Wood Structures.......................................................................................................................8-1
% n3 c( W  X/ z8.1 General Information........................................................................................................................8-10 g% V/ p2 E3 f0 c- z0 p9 |
SECTION 9 Deck and Deck Systems............................................................................................................9-1. S+ p) T& P& W6 `) [
9.1 General Information........................................................................................................................9-1
  z1 ^+ E8 B+ @1 S7 }SECTION 10 Foundations..........................................................................................................................10-1
6 L9 `9 T( _; B  K* C10.1 Initial Considerations................................................................................................................10-10 J" h% ^' i4 q  ~* ]- w0 k
10.1.1 Geotechnical Exploration.....................................................................................................10-1/ A# X1 k& F- `$ Q# a
10.1.2 Pile Design and Verification................................................................................................10-1
5 p9 \2 \/ X1 j6 y2 v+ p10.1.3 Required Information for Contract Documents....................................................................10-1
" |7 z9 n  _- X! j: T# ?% c; G3 j' M10.2 Selecting a Pile for Integral Abutments....................................................................................10-1
& M5 V3 p$ B$ B. m* U" U10.2.1 Loads on Piles......................................................................................................................10-1
/ ^+ b6 L! E3 p' G( e10.2.2 Pile Cap Geometry...............................................................................................................10-2& ^2 [* D1 S/ Y+ e0 L
10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-2
1 x* \* G' \. a" }& H2 N: f10.2.2.2 Pile Groups.................................................................................................................10-2$ z7 ^! L. V1 z5 s9 [
10.2.2.3 Pile Length Requirement............................................................................................10-2
+ K* b' I/ b$ Q' E, i+ V10.3 Service Limit State....................................................................................................................10-24 J2 f) ]0 W- W, L
10.4 Strength Limit State..................................................................................................................10-2
; j  G2 P3 o% f3 y3 W5 t: ^10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-3
" J2 f# k' P3 v' B0 D: n10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-3/ g' f7 Z, n' z- `
10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3
) |2 U' n" C$ s7 d' R10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3
: E' J! c; G! {. 2009 by the Structures Section, Program Development Division  e' h+ {- \! R& d! M
Vermont Agency of Transportation$ f* f7 ?( U+ M! I1 I% t' `
TABLE OF CONTENTS ix
, r# x( J4 ]3 i  r" z, X10.5 Pile Driving Analysis................................................................................................................10-4
$ D/ w0 Q5 ^* \* n- O) a6 f- O% _+ Q& ]10.5.1 Pile Driving Concerns..........................................................................................................10-4
- q2 l% w3 G& |) i10.5.2 Maximum Pile Driving Stress..............................................................................................10-4
2 u" c8 g/ J5 u# ~, u! K10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
2 \' I9 O  {9 ]  H( u10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-5
3 x; V0 }- S& e, r5 F8 ~# Q5 q10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-5" p* m- ]5 F7 [
10.6 Design Steps for Piles...............................................................................................................10-6& Q. l0 B, W  {& x+ }7 b# o
SECTION 11 Abutment, Piers and Walls....................................................................................................11-17 Q8 Q2 J. @1 O; e
11.1 General Information..................................................................................................................11-1( P5 y2 ]' N5 r
SECTION 12 Buried Structures and Tunnel Liners....................................................................................12-19 G$ R" `: }2 C0 y' `% C9 y; |
12.1 General Information..................................................................................................................12-1% E! D# R$ ^& x) S/ j
SECTION 13 Railings................................................................................................................................13-1
5 t4 I2 ^; d; D' j2 C13.1 General Information..................................................................................................................13-1
  M8 C% ^9 |8 |$ sSECTION 14 Joints and Bearings...............................................................................................................14-1- L  ?& U4 f/ {  [* [1 U
14.1 General Information..................................................................................................................14-1
& {+ _- D7 C6 p: e$ T9 L" mSECTION 15 Summary..............................................................................................................................15-1; l; l- B$ n. _0 q/ g
SECTION 16 References............................................................................................................................16-1
4 _+ ]: g! g& X3 u16.1 General Information..................................................................................................................16-1" \  f5 N0 p4 P/ |/ @4 a
16.2 Performance.............................................................................................................................16-1
% [( Q7 H7 D% \  }' K6 K5 n16.3 Design Issues............................................................................................................................16-26 U) d8 E+ g) n) w+ F
16.4 Analysis....................................................................................................................................16-2" E( G5 g' W4 }& p" l
16.5 Approach Slabs.........................................................................................................................16-2
: r8 a: O3 v) Y/ ?5 ^% H- _( U16.6 Forces.......................................................................................................................................16-2( t0 Q' Q; B9 h# d3 C9 D
16.7 State Manual References...........................................................................................................16-3
2 R/ Z5 U6 A) [) O6 _Appendix A Design Outline.............................................................................................................................1$ k$ w- Y/ V2 v* v  A' Y
Appendix B Design Example...........................................................................................................................1
6 ]# G* V$ C4 ?Notes:..........................................................................................................................................................16-15 W' I& U3 }' Q( z% e" L

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cjcc 发表于 2011-4-8 23:00:03
INTEGRAL ABUTMENT BRIDGES - DESIGN AND CONSTRUCTIBILITY (8 Pages)/ v8 A7 [1 \9 t( M$ P
integralabutmentbridges.pdf (368.95 KB, 下载次数: 11, 售价: 1 元堡币) 7 B! A" D+ `8 H% c8 Y/ s" ?8 k5 j
David I. Harvey, Don W. Kennedy8 H  D- N9 e4 h; S
Associated Engineering (B.C.) Ltd., Canada  A! D7 L/ t1 F7 v6 I
Gordon W. Ruffo4 K8 K* E% C3 h; z% [5 R
Carston-Aimes Construction Consultants Ltd., Canada9 G# c% d3 ~3 S7 A; S! k7 h- B; A
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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 9 a* R. c0 E4 F- ~  h4 D
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Integral Abutment Bridges Current Practice in the United States And Canada(20 Pages)9 p) }+ C7 C6 g
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)
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目录

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cjcc 发表于 2011-4-8 23:18:54
INTEGRAL BRIDGE ABUTMENTS(50 Pages)* c) G- E$ H) X' ]. w; T
R. J. Lock2 H4 ]; ~* f; n9 ]) {1 ^, r. Z
CUED/D-SOILS/TR320 (June 2002)
  E  k' a& r; ~M.Eng. Project Report/ V7 W. o, b1 Y  P) B! x  f# W
INTEGRAL BRIDGE ABUTMENTS.pdf (1.47 MB, 下载次数: 3, 售价: 1 元堡币)
) W7 i3 T* i" I1.0 INTRODUCTION ..............................................................................................4
- x; l1 u8 H3 {2 z2 h2 A: }1.1 Purpose and Scope of Project .................................................................................... 5
5 J* y5 s# O7 Q  U1.2 Mode of Bridge Movement ....................................................................................... 6, K$ s  ]& b/ |- m
1.3 Magnitude of Deck Expansion .................................................................................. 6) u4 y, N6 E' L  [0 n5 ~9 c% J
2.0 LITERATURE REVIEW - Model Test Procedures...........................................7, P7 T# k, P, \; H6 G2 V( C+ J/ m9 T
2.1 TRL Report 146: Cyclic loading of sand behind integral bridge abutments............. 7) P, a) X. x7 I4 U" E
2.2 Integral Bridges: A fundamental approach to the time-temperature loading problem
* m! |; Q* F4 I0 n& X(England et al., 2000) .......................................................................................................... 11# _. i, ~( d* g: C* r
3.0 EARTH PRESSURES - Experimental Results.................................................13& A* T! r9 l  L! I4 p2 N. f" R8 G
3.1 BA 42/96 - The Design of Integral Bridges ............................................................ 13
& R/ D3 _+ N! i( L3.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments
. Y  X9 y5 ?7 R) C(Springman et al. 1996) ....................................................................................................... 14
! J& p7 Q: N( X5 o0 c* n3.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
% {7 M$ }- n; [(England et al., 2000) .......................................................................................................... 162 G% x9 ]; g: T2 [1 U
3.4 Experimental and Analytical Investigations of Piles and Abutments of Integral
6 W- H1 u& m5 \4 R) I; zBridges (Arsoy et al., 2002) ................................................................................................ 19
& x& Z" r( D: h4.0 EARTH PRESSURES - Field Measurements ..................................................20+ V: q4 |6 r4 Q
4.1 Field tests................................................................................................................. 20
# T( K2 Y, E- w6 S: x  R- d6 B4.2 Testing an Integral Steel Frame Bridge: Elgaaly et al., 1992; Skew Effects on
. A& q0 |7 j1 h3 N1 SBackfill Pressures at Integral Bridge Abutments: Sandford & Elgaaly, 1993. ................... 21
! }6 C# F& O& a+ [5 W. `; l4.3 Measurement of thermal cyclic movements on two portal frame bridges on the M1:- r- [; B8 w1 m5 I
Darley & Alderman, 1995 ................................................................................................... 24
9 O) i+ m" Q+ O! o* n4.4 Field Study of an Integral Backwall Bridge: Hoppe & Gomez, 1996..................... 24
6 `4 `8 c  t4 P4.5 Seasonal thermal effects over three years on the shallow abutment of an integral
/ ?8 W8 k2 B3 i0 a+ K/ P6 B7 sbridge in Glasgow: Darley et al., 1998................................................................................ 26
8 x( M8 }* _* Z  j' E4.6 Performance of an integral Bridge over the M1-A1 Link Road at Bramham
; C" |- v6 o* O7 l6 ]4 ZCrossroads: Barker & Carder, 2001 .................................................................................... 27
1 l* W& ~5 O! B/ Q8 X0 O- I" y7 Q4.7 Field Performance of Integral Abutment Bridge: Lawver et al., 2000.................... 28, G9 l. w  [, j8 x
4.8 Integral Bridge in West Lafayette, Indiana. Frosch, 2002....................................... 29
, p8 [  w9 k/ }* v  O: O4.9 Coefficients of Thermal Expansion......................................................................... 30
, X5 i2 j) `) B1 D& E# C, e6 t7 c2 o3 m4.10 Influence of deck compression................................................................................ 31
) w; E; ?6 Y/ B0 l  _5.0 SETTLEMENT - Experimental Results ...........................................................33
$ G1 L; j5 q5 ^1 V* Q7 k5.1 BA 42/96 - The Design of Integral Bridges ............................................................ 33
* O2 w( g, L3 Y' @6 ]5 F- f# A5.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments
$ d1 m! r- f. c; j8 r; p5 H2 y(Springman et al. 1996) ....................................................................................................... 33
+ V) a% E9 @, A* ?, Q. G  m) I3 N$ R* v& R5.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
2 J* b. I0 X6 l! ?5 `(England et al., 2000) .......................................................................................................... 36* l% B1 Y( e. l3 G7 G
6.0 SETTLEMENT - Field Measurements.............................................................38
: L- R2 K8 G6 O9 Y5 N( C: @! V6.1 Highways Agency Maintenance Data ..................................................................... 38
( r7 [( \% Y, @  I3 b$ o6.2 Field Studies ............................................................................................................ 40% R% d. d0 ^; k1 M; y
6.3 Approach Slabs........................................................................................................ 42
! [) P: p, `' g/ I7.0 CONCLUSIONS...............................................................................................44! x* g0 w$ ~$ w) r: j  u& g( n6 m
7.1 Superstructure.......................................................................................................... 444 j  [6 R, C* F) Z. o
7.2 Abutment design...................................................................................................... 44
1 q) `9 ^, g5 }- n# T" \  b7.3 Settlement mitigation............................................................................................... 453 w6 K' F8 B+ A, V& ~! m
8.0 REFERENCES .................................................................................................46
* Y8 \. Z2 k0 P: m" y) Q9.0 ACKNOWLEDGEMENTS..............................................................................49
0 Q; }1 k" T/ T) @, l$ b% F4 CAPPENDIX A Earth pressure coefficient definitions .............................................50
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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 - V1 L# M+ z' r5 V- ?+ G

/ L6 ^3 G& o- o3 R0 x0 FTHE 2005 – FHWA CONFERENCE 会议论文集(343Pages)5 z3 l, o1 P& P$ p
Integral Abutment and Jointless Bridges5 R3 e* f+ P+ J0 i
(IAJB 2005) March 16 – 18, 2005
6 ]7 I3 N% O& l7 c8 ~9 _) l9 |Baltimore, Maryland/ u3 i: n% `4 Y/ I
Proceeding.part3.rar (753.87 KB, 下载次数: 3, 售价: 1 元堡币) + S( A1 h; ?( e
Proceeding.part2.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币)
/ g+ k  E2 N; z$ j9 Y Proceeding.part1.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) + G( _" X! r6 X& w
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Session I: Current Practices with Design Guidelines and Foundation Design/ T3 J7 P  @+ f7 p  H
Integral Abutment and Jointless Bridges                                                                    
& A$ {, H& ?( AV. Mistry                               3
2 x4 F( \9 m# b+ Q* y0 V# J0 Y/ l1 i  ^0 W" s
Integral Abutments and Jointless Bridges (IAJB)          2004 Survey Summary         
! G5 F) U7 d4 e% g, `8 r" pR. Maruri, S.Petro                 128 g0 x5 I- o' @7 `
% r+ c9 g0 ~5 @: P8 _
The In-Service Behavior of Integral Abutment Bridges:  Abutment-Pile Response    + y) m5 E. Y. Q( Q
R. Frosch, M. Wenning, V. Chovichien 30
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% U$ W, c+ b5 R# c! ONew York State Department of Transportation's Experience with Integral Abutment Bridges: z* i& I$ R; y* I
A. Yannotti, S. Alampalli, H. White        41; g3 M0 u7 g6 C1 ~; w" q
( Z& h' L1 I# \: b
Integral Abutment Design and Construction: The New England Experience            
. v% ?# k7 X" A, u0 P D. Conboy, E. Stoothoff                        50
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; S5 I3 `6 g' }VDOT Integral Bridge Design Guidelines                                                                  
9 _0 x* ~, m: _3 `8 a$ rK. Weakley                                            61
  H; I; h% j: r1 X: c7 C
0 k4 w# T0 k3 K; d- Q8 JSession II: Case Studies
6 l$ j" X6 w* V( Q( ]& cCase Study: A Jointless Structure to Replace the Belt Parkway Bridge  Over Ocean Parkway
2 ^3 d7 o% q# T/ ?0 u: A4 f5 x8 ~- c S. Jayakumaran, M. Bergmann, S. Ashraf, C. Norrish 738 m) ]: l! Q0 y; X" U

# Y( y8 }5 W7 H0 ICase Study – Jointless Bridge Beltrami County State Aid Highway 33 Over Mississippi River in Ten Lake Township,
) }  u' Q7 V! E- k Minnesota J. Wetmore, B. Peterson                             84/ y- |( _. b. X# w9 d2 S2 {
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Design and Construction of Dual 630-foot, Jointless, Three-spanContinuous Multi-girder Bridges in St. Albans, West Virginia,9 y& V# G6 G4 L, O9 X* Q! I) @# N6 V$ p
United States, Carrying U.S. Route 60 over the Coal River
( c1 p% W. g' P% z- ^9 VJ. Perkun, K. Michael                                                  97' ]+ h. @. S$ z5 }0 x1 m
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Integral Abutment Bridges with FRP Decks – Case Studies: g' g/ s* v  X6 \
V. Shekar, S. Aluri, H. GangaRao                             113; X0 M+ T  L/ O$ G1 O% L' ^
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New Mexico’s Practice and Experience in Using Continuous Spans for Jointless Bridges
$ U: s# A+ A  }* @7 X/ w S. Maberry, J. Camp, J. Bowser                            125
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4 B/ s( e7 H% k( T; G1 M3 N- E7 hIntegral Abutment Bridges – Iowa and Colorado Experience) C) E7 c! p+ _( b
D. Liu, R. Magliola, K. Dunker                               136
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Moose Creek Bridge – Case Study of a prefabricated Integral Abutment Bridge in Canada
0 ~3 r# o$ t6 Q  ^1 N# ^0 M I. Husain, B. Huh, J. Low, M. McCormick                 148
, l4 W, ]& ]% e! h6 }' jSession III: Maintenance and Rehabilitation
9 e  A8 N) V% [: S( `Session IV: Construction Practices# O( y9 Z7 s$ O
Author Index1 v0 X$ O, H; l$ g* L, k2 i& D
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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1 Q3 O6 o1 |: h! R0 o. H

3 b' J  H3 [# c" u3 X/ v0 F. _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2 g% p- O( N8 }3 [8 ^8 u2 c

6 j; o: x+ g- ?' @9 u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
/ H; k) v" J' L  h6 e$ i有对比才有进步,取长补短。
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