Integral Abutment Bridge Design 的几篇文献

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Integral Abutment Bridge Design Guidelines(92 Pages)4 f; j5 o( M8 V; F. w% w6 n( H6 V7 k
Integral Abutment Bridge Design Guidelines.pdf (1.59 MB, 下载次数: 78, 售价: 1 元堡币)
* \7 D6 t+ J  z% l+ t$ m: |3 ATABLE OF CONTENTS
! u" a9 H: t- J- O% ITable of Contents...........................................................................................................................................vii: D: l/ L0 q) {# m  Q
Introduction.....................................................................................................................................................xi4 ]. C0 [* g: f
SECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
4 \, H+ P) s, F6 z1 j1.1 Integral Abutment Bridge................................................................................................................1-16 v# f1 M# L: q! T. z, A5 W/ p- O
1.2 Difference from Conventional Bridges............................................................................................1-1
( X. G0 l0 q# l( E1.3 Document Precedence.....................................................................................................................1-1
$ Y  c* P1 p( g) P# T. s0 w3 A1.4 Definitions......................................................................................................................................1-1
/ n( y0 C3 v! o: v/ \1.5 Notation..........................................................................................................................................1-3
' ~+ r, s; Z6 Z  z/ @5 A: eSECTION 2 General Design and Location Features.....................................................................................2-1: z& o; g1 B& j) o
2.1 First Choice.....................................................................................................................................2-1& h9 _; l8 U6 j; i, @# {
2.2 Structure Geometrical Criteria.........................................................................................................2-1
3 z/ n% y* s3 y" H3 l2.2.1 Criteria for the Simplified Design Method.............................................................................2-1$ g- t: e+ s# Z) A  H, S0 Y. V
2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-2
* G* d) f/ s  r/ h2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2" U0 t6 E$ S: A! ^3 B5 Q
2.3 Laying out the Bridge......................................................................................................................2-31 z$ Q6 l5 M$ P- g
2.3.1 Conventional Layout..............................................................................................................2-3' ^/ u% d) ?9 Z; f  }
2.3.2 Ideal Layout...........................................................................................................................2-3$ l/ D& V4 ]: `, g, W/ ?
2.4 Hydraulic RequirementS.................................................................................................................2-54 \, Q& Y9 U/ j, {) `: k
2.4.1 Scour Considerations..............................................................................................................2-6  |7 _: |. p  v/ Q4 Z" ~: @: l
2.4.2 Cofferdam Requirements.......................................................................................................2-6
) C) b- n% z  c5 }2.5 Geotechnical...................................................................................................................................2-6
- p" n, O6 Q- z% q0 |) XSECTION 3 Loads........................................................................................................................................3-16 H0 h& @! X/ @! f
3.1 General Information........................................................................................................................3-1* ^$ [& e  `* i4 C3 y7 a+ u1 _0 r
3.2 Application of Loads.......................................................................................................................3-1' u: C8 [3 W+ M9 e
3.2.1 Construction Stage.................................................................................................................3-1
! i- S3 g( a6 x6 [4 Y% M& [2 |3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1/ u2 r1 ?% g# \) S) U0 H3 y
3.2.1.2 Construction Dead and Live Loads...............................................................................3-1
/ h& \$ E. s8 K0 G2 X1 n3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1& K" x5 {' Y. t
3.2.2 Final Stage.............................................................................................................................3-16 Y7 _0 S- s. j. [$ P6 u5 E9 i( W
3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
9 F% B, I, I" i' n3.2.2.2 Live Loads....................................................................................................................3-2
: N3 ?/ O( i: x* M" B3.2.2.3 Longitudinal Effects.....................................................................................................3-2( z! A0 H( [' `, V* `0 X
3.2.2.4 Earth Loads...................................................................................................................3-2
" R# a) u1 Q4 Q( L) vSECTION 4 Structural Analysis and Evaluation...........................................................................................4-17 k6 i) }( ]! u" V8 f
4.1 General Information........................................................................................................................4-13 s4 y. @" j& R, W4 r. Q
4.2 Structural Design Criteria................................................................................................................4-1
7 B9 v1 h! N- a% P4 ]& B4.3 Design Methodology......................................................................................................................4-15 m; `0 _) I! |
4.3.1 Simplified Design Method.....................................................................................................4-1: u, {2 r, `6 C# T% T
4.3.2 Detailed Design......................................................................................................................4-2
* z) {  A' m1 ]  g/ M4.4 Superstructure.................................................................................................................................4-2
; L6 U; g* T! R: b7 `0 o1 w- _4.4.1 Bridge End and Anchorage General Details..........................................................................4-21 c& l9 h  d+ _
4.5 Substructure....................................................................................................................................4-3
8 s7 ]: n: t. ]2 B4.5.1 Abutment Movement..............................................................................................................4-32 l( I6 Q' `7 l6 v6 y' n
4.5.1.1 Thermal Movement.......................................................................................................4-3* B/ d3 R0 t/ y0 R
4.5.1.2 Shrinkage and Creep.....................................................................................................4-4
1 A. e5 h$ |$ D. C  j6 p. 2009 by the Structures Section, Program Development Division" o5 N6 G# `% W9 J) V: C
Vermont Agency of Transportation. [7 p# w5 d+ i* A
viii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE2 G/ s! d- Y9 n! s& I
4.5.1.3 Total Allowable Movement..........................................................................................4-4# z9 ~' |4 |/ v
4.5.1.4 Grade of Steel...............................................................................................................4-4
% s- ?& r: z* b  }+ n4.5.1.5 Pile Selection................................................................................................................4-4
, {( p: L: v0 f/ q) I+ n9 x) p+ }$ i4.5.1.6 Pile Orientation.............................................................................................................4-9
9 t/ n8 ^* x5 U4.5.2 Pile Design............................................................................................................................4-9
$ F; W2 W$ K( W1 X8 O, N& i4.5.2.1 L-Pile Software Analysis............................................................................................4-11
$ Y3 W2 g1 h% r4 M3 s' A1 W4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11
% `! E- V5 g' P1 W) Y3 |5 S4.5.2.1.2 Pile Deflection and Moment..................................................................................4-11
+ o, W7 U; S8 h9 j/ d4.5.2.1.3 Unbraced Lengths..................................................................................................4-125 |3 a) Q* y) v9 D9 `4 I
4.5.2.1.4 Depth to Fixity.......................................................................................................4-12
- `9 q# ]2 z3 G" M, P. `8 E9 k* ?# t4.5.2.2 Combined Axial Compression and Flexure................................................................4-16
0 F. {6 l' |& X" `- }4.5.3 Pile Cap...............................................................................................................................4-163 }/ k' e9 D3 Y5 {
4.5.4 Wingwall Design..................................................................................................................4-16
) Z+ ^* r% I% O7 ?) q4.6 Project Notes and Special Provisions............................................................................................4-16
% U# e/ @& U6 ?: {" L4 I# o3 u4.7 Load Rating..................................................................................................................................4-16
, T1 A4 }3 t2 H, o2 i5 O0 YSECTION 5 Concrete Structures...................................................................................................................5-1
5 V) W& V' n4 N8 Q! d5.1 General Information........................................................................................................................5-1
( G0 J; ^9 }0 x5 y& D# D. [5.2 Prestress Superstructure Specific Details........................................................................................5-12 |! [  S+ E* l5 O. F& P" u  B9 |
5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-1( P) Q+ Y* k9 g  \- j( l; L
5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2: L' L: \$ [/ G7 m3 {* H! r! u, g
5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-44 Q. @6 {: u; e
5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-4
* x- r2 D- R: w3 `6 jSECTION 6 Steel Structures........................................................................................................................6-1- U! a; w1 p8 ~% ^
6.1 General Information........................................................................................................................6-1
) Q; K* z6 d: j3 w% e7 S$ \6.2 Steel Girder Specific Details...........................................................................................................6-1
; `- F- R0 K' y2 ]- ^. o/ KSECTION 7 Aluminum Structures................................................................................................................7-11 R7 ]+ J! {/ _: |' A
7.1 General Information........................................................................................................................7-1
* \$ j0 W/ s# ?; LSECTION 8 Wood Structures.......................................................................................................................8-17 Y, o/ W6 M! S/ J$ y
8.1 General Information........................................................................................................................8-1
8 W& r) A, S0 W3 z$ }1 `- pSECTION 9 Deck and Deck Systems............................................................................................................9-1
1 T# C; r- C0 C: ]6 o9.1 General Information........................................................................................................................9-1
& X9 ]/ m/ i1 l+ x3 h; KSECTION 10 Foundations..........................................................................................................................10-1( v, Y& w7 v* c# T; `0 i
10.1 Initial Considerations................................................................................................................10-1
8 ]9 M; W3 c. }/ B# [: ^& ^10.1.1 Geotechnical Exploration.....................................................................................................10-1: r# m6 r- ^* f1 W
10.1.2 Pile Design and Verification................................................................................................10-15 t6 U( J2 M8 l0 U& B
10.1.3 Required Information for Contract Documents....................................................................10-12 C( ?3 ^- q9 p( e
10.2 Selecting a Pile for Integral Abutments....................................................................................10-10 Q* P0 M. T; P
10.2.1 Loads on Piles......................................................................................................................10-1+ |2 u5 x; B% s( C  \/ a$ [
10.2.2 Pile Cap Geometry...............................................................................................................10-2
: i# Y0 Q0 M! ]. \10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-2- z' q( C8 ?7 A# F) p0 N5 P+ r
10.2.2.2 Pile Groups.................................................................................................................10-2  S/ Q# T* F& M# e! i! N$ h2 U
10.2.2.3 Pile Length Requirement............................................................................................10-2$ l: Y) n( P. o/ N7 r
10.3 Service Limit State....................................................................................................................10-29 w6 Z( F$ ^( [! d. W4 X" o0 o! j
10.4 Strength Limit State..................................................................................................................10-2
" J, J% u* W' k6 D0 Y6 I% j+ m10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-31 X( E, [4 Z( f7 E6 V; p! C) S2 X8 a7 c
10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-3. f0 q0 S' g" _, A( |4 E
10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3  ~/ K" U2 `" e; W9 O, W* Z
10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3, ^1 ~' z* ]4 g3 x3 E0 y& e
. 2009 by the Structures Section, Program Development Division" C2 Y8 j* V5 C7 Z2 a
Vermont Agency of Transportation
6 j) p$ P% F$ y* d+ D0 qTABLE OF CONTENTS ix
, [% H; W" I9 w4 _10.5 Pile Driving Analysis................................................................................................................10-4
: P3 y$ r0 d* W7 ?& s10.5.1 Pile Driving Concerns..........................................................................................................10-4
4 j& {( {/ f' [! m3 L* |10.5.2 Maximum Pile Driving Stress..............................................................................................10-4: ~1 J( T4 b, r
10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
# B# q$ Q# c" l' w7 g2 W" s10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-50 J/ v. x/ x& [, j6 }
10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-5) x" ]7 X0 j  Y& P  F' U0 |
10.6 Design Steps for Piles...............................................................................................................10-6) [; _. a4 N3 y+ ?2 y0 j: o/ d# f8 {
SECTION 11 Abutment, Piers and Walls....................................................................................................11-1
! n7 l' l, F- W11.1 General Information..................................................................................................................11-11 ]8 U+ l# m* Y+ H( o
SECTION 12 Buried Structures and Tunnel Liners....................................................................................12-1
6 b0 R0 z4 w2 @% _9 `# A1 k$ ^+ w12.1 General Information..................................................................................................................12-1
" c0 i+ L6 G7 i2 T  kSECTION 13 Railings................................................................................................................................13-1
% E7 o% o) J8 E6 b# C13.1 General Information..................................................................................................................13-1' g8 u, B1 S2 B" y$ x" x
SECTION 14 Joints and Bearings...............................................................................................................14-1
0 P; R5 l- T$ d14.1 General Information..................................................................................................................14-1, _, @9 P- z& {0 U, D
SECTION 15 Summary..............................................................................................................................15-1) n1 p# O# E! M! E; J
SECTION 16 References............................................................................................................................16-1# ^7 ^2 w4 i2 h$ z+ G# E, D
16.1 General Information..................................................................................................................16-1
$ z" p( U: z, r% O+ e5 h16.2 Performance.............................................................................................................................16-15 X* O$ b. H" F8 U+ v
16.3 Design Issues............................................................................................................................16-23 o4 D# l9 _; a+ }$ }/ t# I! J
16.4 Analysis....................................................................................................................................16-20 Y' F3 ?6 C" `0 b
16.5 Approach Slabs.........................................................................................................................16-2
( m' c9 M; g: A0 d0 W16.6 Forces.......................................................................................................................................16-2! g* \9 V0 I4 X) }! D" V4 {
16.7 State Manual References...........................................................................................................16-31 I  u1 Z; ?3 z7 M
Appendix A Design Outline.............................................................................................................................1" W2 G) ~+ ]8 n3 y4 D0 \" @& A- `
Appendix B Design Example...........................................................................................................................1  l  P. ^2 Q" I, E1 Z* Z# d* X
Notes:..........................................................................................................................................................16-1
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cjcc 发表于 2011-4-8 23:00:03
INTEGRAL ABUTMENT BRIDGES - DESIGN AND CONSTRUCTIBILITY (8 Pages): m: V  N6 Z4 [; q0 Z
integralabutmentbridges.pdf (368.95 KB, 下载次数: 11, 售价: 1 元堡币) / N+ Q- c' Q% h, M' K5 g
David I. Harvey, Don W. Kennedy% A7 ]6 L; j" k( v* I
Associated Engineering (B.C.) Ltd., Canada
8 ?4 Q5 a- a6 Q( VGordon W. Ruffo
5 R4 r. U( k( k$ jCarston-Aimes Construction Consultants Ltd., Canada) O: Y' U( V6 C+ S  `
) l1 L, R1 K* U. d- b. _8 O
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cjcc 发表于 2011-4-8 23:12:33
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Integral Abutment Bridges Current Practice in the United States And Canada(20 Pages)/ L; O9 z3 f$ G) x! ^! D
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) " D( C$ R8 \& f4 h  S, r

目录

目录

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cjcc 发表于 2011-4-8 23:18:54
INTEGRAL BRIDGE ABUTMENTS(50 Pages)
: P4 n- B4 h8 Y4 q) IR. J. Lock
: r8 D3 O: y% O8 g. D  ~CUED/D-SOILS/TR320 (June 2002)
$ r0 t; G% h: D  P$ [+ ^; q; KM.Eng. Project Report9 M& |2 n2 N/ Q3 Q) e' `
INTEGRAL BRIDGE ABUTMENTS.pdf (1.47 MB, 下载次数: 3, 售价: 1 元堡币)
7 [. L/ P5 ^( U1.0 INTRODUCTION ..............................................................................................4
+ P  c' s/ a% A2 `9 ?. U: t0 U) l1.1 Purpose and Scope of Project .................................................................................... 5" I' a9 m6 E/ V
1.2 Mode of Bridge Movement ....................................................................................... 6
+ L: o/ h  T4 j3 j5 ?1.3 Magnitude of Deck Expansion .................................................................................. 6. G! d- ~2 m" O7 Z) g5 E+ F
2.0 LITERATURE REVIEW - Model Test Procedures...........................................7
' h# k0 D9 J% C3 b2.1 TRL Report 146: Cyclic loading of sand behind integral bridge abutments............. 7# j2 `: I# @# m4 g# f
2.2 Integral Bridges: A fundamental approach to the time-temperature loading problem
' \+ D6 L2 e( W0 S8 y9 M$ t(England et al., 2000) .......................................................................................................... 11, L0 v5 W6 a! w' p" x" C) s9 O. r& \
3.0 EARTH PRESSURES - Experimental Results.................................................134 e2 B$ j5 J! ^: u- Q5 h( S1 C5 V
3.1 BA 42/96 - The Design of Integral Bridges ............................................................ 13: t2 h/ V( x( y$ v) W* E$ k
3.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments) r9 }/ l  ?% V9 J6 @7 N
(Springman et al. 1996) ....................................................................................................... 146 w& j2 g3 [) t! y
3.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
$ K1 X4 v- x# \9 W6 \4 Y(England et al., 2000) .......................................................................................................... 16
( c4 p; G2 H. b' }# x: u3.4 Experimental and Analytical Investigations of Piles and Abutments of Integral: P8 K6 E: h% s- f, L' j1 Z! V
Bridges (Arsoy et al., 2002) ................................................................................................ 19
1 ?2 H2 |: ^! p1 q( E4.0 EARTH PRESSURES - Field Measurements ..................................................202 W% l. J2 l  P! m  ^
4.1 Field tests................................................................................................................. 20% {1 R& E% I8 j. b
4.2 Testing an Integral Steel Frame Bridge: Elgaaly et al., 1992; Skew Effects on
6 d! v( O+ [4 ]Backfill Pressures at Integral Bridge Abutments: Sandford & Elgaaly, 1993. ................... 21
) A/ X, S" I' n$ {! D- m5 _4.3 Measurement of thermal cyclic movements on two portal frame bridges on the M1:
8 y( I* i. U4 ]$ c% p/ j6 ^Darley & Alderman, 1995 ................................................................................................... 241 r9 @! E: x1 v1 W6 m
4.4 Field Study of an Integral Backwall Bridge: Hoppe & Gomez, 1996..................... 24
/ F# D% j* x7 Z4.5 Seasonal thermal effects over three years on the shallow abutment of an integral
2 c( i7 N5 d7 W$ t3 abridge in Glasgow: Darley et al., 1998................................................................................ 269 w: d' ]4 ~: C4 ?- [& ?3 o' i
4.6 Performance of an integral Bridge over the M1-A1 Link Road at Bramham7 q1 k0 s8 a) e% E* }. u
Crossroads: Barker & Carder, 2001 .................................................................................... 275 w% a5 @9 L( F( t: M) O  J; B
4.7 Field Performance of Integral Abutment Bridge: Lawver et al., 2000.................... 28
1 Z4 G: N- u* s% K$ ~4.8 Integral Bridge in West Lafayette, Indiana. Frosch, 2002....................................... 29
  a- E" H3 K: i" b4.9 Coefficients of Thermal Expansion......................................................................... 30
/ A. ^7 t. V9 M4.10 Influence of deck compression................................................................................ 31: g1 X$ c6 j# |; m  L  P/ G. l
5.0 SETTLEMENT - Experimental Results ...........................................................33; w7 q9 O+ ]6 P4 e
5.1 BA 42/96 - The Design of Integral Bridges ............................................................ 33" i5 C( G) H. b0 }- G) I  |; C8 z
5.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments
$ g% c! v/ s0 ?3 I, ?7 D- F(Springman et al. 1996) ....................................................................................................... 33
5 L+ W! y. t) a& n# T0 y& U5.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
; b* {, |' X1 l, A  \0 D(England et al., 2000) .......................................................................................................... 360 }+ Z. n/ t% Y3 F# S5 m; c
6.0 SETTLEMENT - Field Measurements.............................................................38
2 i& \0 |. r) ^6.1 Highways Agency Maintenance Data ..................................................................... 388 u' S$ L7 C8 F) C2 [
6.2 Field Studies ............................................................................................................ 40
& C0 O) `( {1 {2 O6 @6.3 Approach Slabs........................................................................................................ 429 M6 H. ]" B4 p2 D6 I/ U
7.0 CONCLUSIONS...............................................................................................448 v7 x$ L" c3 j! b& _
7.1 Superstructure.......................................................................................................... 44
- @1 k. `8 ?6 {3 j8 F7.2 Abutment design...................................................................................................... 44! w# b6 U* K2 \1 c/ d
7.3 Settlement mitigation............................................................................................... 45
! J" o& v* w9 y* }4 R8.0 REFERENCES .................................................................................................46
# `6 v/ u6 A- V5 W; O/ h1 i9.0 ACKNOWLEDGEMENTS..............................................................................491 w" q. H% Y. G3 Z( U
APPENDIX A Earth pressure coefficient definitions .............................................50
6 X; f) J* w2 \) ?7 p
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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
: I# A5 R' P6 G+ b5 P1 S1 R' R, t& W6 K; w" i2 ]+ r( N
THE 2005 – FHWA CONFERENCE 会议论文集(343Pages)
! N( H% Y$ N1 s& x: Q3 RIntegral Abutment and Jointless Bridges
& u1 f8 Q( I7 y' }; F7 E(IAJB 2005) March 16 – 18, 2005
# \* n) K$ ^5 a$ Z/ H9 p# tBaltimore, Maryland- \! j5 B/ Z+ f2 `! A
Proceeding.part3.rar (753.87 KB, 下载次数: 3, 售价: 1 元堡币) 5 \" h0 j+ d6 {/ C. z
Proceeding.part2.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) ' I3 l7 f6 K6 e5 s2 i
Proceeding.part1.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币)
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Session I: Current Practices with Design Guidelines and Foundation Design
- b& r/ _1 ]; N. HIntegral Abutment and Jointless Bridges                                                                    . C* ~, g- H% q) W, T
V. Mistry                               3
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Integral Abutments and Jointless Bridges (IAJB)          2004 Survey Summary         
7 h2 H1 C5 K" [1 E6 hR. Maruri, S.Petro                 12
6 b' E+ `9 N+ K3 p. P/ N  G# F" a1 B9 T) B6 l4 X/ w
The In-Service Behavior of Integral Abutment Bridges:  Abutment-Pile Response    7 w2 V& U  d, F  N% P1 }
R. Frosch, M. Wenning, V. Chovichien 30: {4 _7 o) I4 \8 Z3 X! w

/ p) O$ i+ D, n8 L+ qNew York State Department of Transportation's Experience with Integral Abutment Bridges
1 V4 M, w! a$ {- q4 W) r3 VA. Yannotti, S. Alampalli, H. White        41
% B; l0 Q- e4 C
& }7 q" b6 B* ?, I2 HIntegral Abutment Design and Construction: The New England Experience            
- B# o2 N" }& \7 E6 f D. Conboy, E. Stoothoff                        50
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4 h  q; V, @7 v4 |2 pVDOT Integral Bridge Design Guidelines                                                                  , G0 @3 Y4 t, ~5 y. n, p/ t8 T2 c: h
K. Weakley                                            613 ]% [9 |* a. Y7 c& A9 q; O9 h; ^
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Session II: Case Studies
" K/ Y8 }# u6 U5 MCase Study: A Jointless Structure to Replace the Belt Parkway Bridge  Over Ocean Parkway+ L' X* b& c' v# `
S. Jayakumaran, M. Bergmann, S. Ashraf, C. Norrish 73: P( {. D: Z) g8 B, U+ ^1 U

7 f5 P2 r! U0 ?  ZCase Study – Jointless Bridge Beltrami County State Aid Highway 33 Over Mississippi River in Ten Lake Township,
+ R, l) T) w/ _. e! B7 ^3 x Minnesota J. Wetmore, B. Peterson                             84! @; w9 S) R2 T' Z  Z1 Z

, T" r# l' |7 Q' J8 l' vDesign and Construction of Dual 630-foot, Jointless, Three-spanContinuous Multi-girder Bridges in St. Albans, West Virginia,
7 e' J5 d, z8 UUnited States, Carrying U.S. Route 60 over the Coal River, G$ s2 Y2 X! |9 ]$ J3 _% M
J. Perkun, K. Michael                                                  976 U1 K$ Y/ i/ u' s, a

8 c: `0 e0 o% ?( S5 fIntegral Abutment Bridges with FRP Decks – Case Studies2 K. V. f* o& e* T* T/ M
V. Shekar, S. Aluri, H. GangaRao                             113
( Q% q( H. g& e! O- L1 _" j/ X2 K/ i: {2 a: @
New Mexico’s Practice and Experience in Using Continuous Spans for Jointless Bridges" `! \; U6 o' H9 s2 f
S. Maberry, J. Camp, J. Bowser                            125- T4 D: e: y0 S. m+ f" x

4 F5 |% t# {! uIntegral Abutment Bridges – Iowa and Colorado Experience8 d0 h! N9 A$ m3 H
D. Liu, R. Magliola, K. Dunker                               136
# m7 T4 Z* j9 C" A8 a6 l& s2 Q6 D0 {! B9 m0 K- G
Moose Creek Bridge – Case Study of a prefabricated Integral Abutment Bridge in Canada6 P7 `- v# n0 {% v. W2 v
I. Husain, B. Huh, J. Low, M. McCormick                 148# c0 z) ?7 m' C9 A# J
Session III: Maintenance and Rehabilitation; I. j0 @7 W6 k" s  ?
Session IV: Construction Practices( c- l4 ~+ b. k$ H4 D4 d( q( t
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
1 M! v% G( q$ R% P8 `& i4 p& Z8 K& b  g$ M& y* l, D( ^5 [+ Q3 F. s
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 ; z. t5 |; y1 j

8 |5 M' w1 r! \( l7 s# [4 M! ^4 R% o% W
这篇贴和 子菁版主的 美国道路桥梁深度考察报告
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" D( O( U6 ?2 V- h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
# l* i9 A2 b$ {% g/ }' y' x, U有对比才有进步,取长补短。
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