Integral Abutment Bridge Design 的几篇文献

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# ~, U% H; g' KIntegral Abutment Bridge Design Guidelines(92 Pages)
% x6 F5 V/ X0 h: d1 q  ~2 L Integral Abutment Bridge Design Guidelines.pdf (1.59 MB, 下载次数: 78, 售价: 1 元堡币) 2 {! V- }- E7 j8 [
TABLE OF CONTENTS
# D6 y4 o. e9 `, K* S2 ?1 u9 \Table of Contents...........................................................................................................................................vii' Y# l# \% ~9 G6 \9 y  l& {/ S
Introduction.....................................................................................................................................................xi1 \( P# B6 @/ x
SECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
" R# W3 e! R6 p1.1 Integral Abutment Bridge................................................................................................................1-1
, w( Y" Y, q8 P& y; C% ]( L1.2 Difference from Conventional Bridges............................................................................................1-17 w( \, H$ b* v( n
1.3 Document Precedence.....................................................................................................................1-1
) {1 W" t+ m* |' `2 |1.4 Definitions......................................................................................................................................1-1/ c+ }8 Z1 y, V6 v% R
1.5 Notation..........................................................................................................................................1-3
+ P/ w( l, g3 x$ oSECTION 2 General Design and Location Features.....................................................................................2-17 h! T2 @. ~4 S2 ^4 g
2.1 First Choice.....................................................................................................................................2-1
5 l2 f. g) B4 k# v, a5 }2.2 Structure Geometrical Criteria.........................................................................................................2-1
9 p3 g% F) V( L5 ?9 G2.2.1 Criteria for the Simplified Design Method.............................................................................2-1
% w2 h( n0 }. H* J2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-2
, Q  x  m4 |, K/ E: c# A2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2
' D+ b0 a3 r3 N/ X3 R, F2.3 Laying out the Bridge......................................................................................................................2-3
+ c  W# m9 h' e2.3.1 Conventional Layout..............................................................................................................2-3
- I# v8 s  [5 ?% O8 ]2.3.2 Ideal Layout...........................................................................................................................2-32 Q5 ~' s3 [' U( Y: M
2.4 Hydraulic RequirementS.................................................................................................................2-58 O6 P; P% A& U) `0 d5 T
2.4.1 Scour Considerations..............................................................................................................2-6
$ m" p: F8 F, U/ W+ o2.4.2 Cofferdam Requirements.......................................................................................................2-62 |3 Q! X4 }; G$ ~" q! x/ X/ E
2.5 Geotechnical...................................................................................................................................2-6
' h* E7 N9 S8 {, H1 ], d6 s+ ESECTION 3 Loads........................................................................................................................................3-1, e1 S) A* _/ ^$ _! t( z, n  v, ^* s
3.1 General Information........................................................................................................................3-1# t) y  F6 }- k7 l
3.2 Application of Loads.......................................................................................................................3-1  O/ x% s) x3 h' s; F$ K9 Y
3.2.1 Construction Stage.................................................................................................................3-1
2 u  P8 F2 D/ M3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1, M+ E  L4 W- u
3.2.1.2 Construction Dead and Live Loads...............................................................................3-1
& [7 }  q& f+ M0 E2 M+ W3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1# c4 @; C5 [4 p
3.2.2 Final Stage.............................................................................................................................3-1
8 W) g# C( e2 j" E3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
& t( q" Z9 b( X3.2.2.2 Live Loads....................................................................................................................3-2
! H. b& o3 r: k+ u0 S' h3.2.2.3 Longitudinal Effects.....................................................................................................3-2
' a* ?2 b( x( S/ r* j! z- T3.2.2.4 Earth Loads...................................................................................................................3-27 R( e6 h6 T4 s
SECTION 4 Structural Analysis and Evaluation...........................................................................................4-1
4 f) F* N" s4 F* J- i2 W1 G, b4.1 General Information........................................................................................................................4-1
9 B7 T: h6 t& ~6 U1 S4.2 Structural Design Criteria................................................................................................................4-1) @- |7 G* ~! O4 A2 Q
4.3 Design Methodology......................................................................................................................4-1: v0 N1 v- V2 o
4.3.1 Simplified Design Method.....................................................................................................4-1& `. Z8 ^- l6 G" d# |
4.3.2 Detailed Design......................................................................................................................4-2( R! x6 t' G' Z* Z4 B) `- N
4.4 Superstructure.................................................................................................................................4-28 B! c3 x$ d  j1 Z+ W" d: Y
4.4.1 Bridge End and Anchorage General Details..........................................................................4-26 Q# L/ a5 [0 K. _3 B, @) ~5 H
4.5 Substructure....................................................................................................................................4-3
* F6 a9 s8 u- k  H7 v4.5.1 Abutment Movement..............................................................................................................4-33 S2 @* h6 l& U+ Y; B# D/ l
4.5.1.1 Thermal Movement.......................................................................................................4-39 t9 d6 i2 y4 ^. ], x
4.5.1.2 Shrinkage and Creep.....................................................................................................4-42 l( y, _5 h% U
. 2009 by the Structures Section, Program Development Division
& v+ r* h% \: Y3 F7 ]9 Z$ c" tVermont Agency of Transportation% N. \" T* D( _7 H. m+ K
viii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE% d  L! p/ T( D
4.5.1.3 Total Allowable Movement..........................................................................................4-4* f. p! a1 ~, s" x# s
4.5.1.4 Grade of Steel...............................................................................................................4-4
1 X, W- \9 t) v0 U' d4.5.1.5 Pile Selection................................................................................................................4-40 n6 |! [" ]% \, E' Z  y# v
4.5.1.6 Pile Orientation.............................................................................................................4-9
1 C4 s' X# m2 C4.5.2 Pile Design............................................................................................................................4-93 I) B* _4 Y! z3 B
4.5.2.1 L-Pile Software Analysis............................................................................................4-11
9 D% k1 G) {) b3 Y2 p) o) t+ a4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11% U7 ~- S4 K  a7 ]7 J# \' K
4.5.2.1.2 Pile Deflection and Moment..................................................................................4-117 r. |* \' r& [
4.5.2.1.3 Unbraced Lengths..................................................................................................4-12) ]) k" C6 c! m$ ]% j
4.5.2.1.4 Depth to Fixity.......................................................................................................4-12+ ~5 l) }# c  _* G5 ]
4.5.2.2 Combined Axial Compression and Flexure................................................................4-16% G4 _. ?, W3 Y% q9 a! c% v
4.5.3 Pile Cap...............................................................................................................................4-16
9 \: [" W* i" |: v2 F' O) s4.5.4 Wingwall Design..................................................................................................................4-16) e$ X5 z4 F7 `
4.6 Project Notes and Special Provisions............................................................................................4-16
5 ]8 d' e' b" ?% j* m! h0 e7 T4.7 Load Rating..................................................................................................................................4-16
+ C% `5 q2 p$ B9 r' rSECTION 5 Concrete Structures...................................................................................................................5-1
# ]& I5 ?6 @4 P, p5.1 General Information........................................................................................................................5-1
8 q0 C% M! F5 ]# p% X0 n5.2 Prestress Superstructure Specific Details........................................................................................5-1
7 T" |4 h  l4 ]5 ~9 K" ?, w5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-1
/ Y1 Y; N& o1 @4 [# H- u9 [5 \5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2
9 v! N( I5 m! z$ m5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-4/ O. N9 q0 A/ T. p- S9 b$ M. ^9 C
5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-4, m% z+ W4 }6 w6 B3 G" p& c. K1 T
SECTION 6 Steel Structures........................................................................................................................6-1' P8 U2 g$ S. H2 H3 Q1 _
6.1 General Information........................................................................................................................6-1
' l% l  W7 _' D  r- X/ J# A6.2 Steel Girder Specific Details...........................................................................................................6-1* g" g6 B8 o% L5 p
SECTION 7 Aluminum Structures................................................................................................................7-1' Y& z0 t. G' T
7.1 General Information........................................................................................................................7-1
  X# W6 t5 |% |# s) I0 F6 f6 v, CSECTION 8 Wood Structures.......................................................................................................................8-1! @+ \9 w- t& }* I5 t' l
8.1 General Information........................................................................................................................8-1. g) D( B1 @( J6 ^4 ~! g+ h
SECTION 9 Deck and Deck Systems............................................................................................................9-1
+ d2 [. x9 g0 w2 R' W9.1 General Information........................................................................................................................9-1
5 E+ o; n; x  a5 P  }( I) z# YSECTION 10 Foundations..........................................................................................................................10-1' l! ^7 p+ {- r- J/ ]6 O5 E0 K
10.1 Initial Considerations................................................................................................................10-14 d* _$ [" Q5 w/ H- Q* s
10.1.1 Geotechnical Exploration.....................................................................................................10-1, l- U# S% i8 Y- A
10.1.2 Pile Design and Verification................................................................................................10-1
5 U9 }( l  P2 }# i, K5 X; ~9 Y8 t10.1.3 Required Information for Contract Documents....................................................................10-1) M) ^1 L/ L; T* X0 H0 K
10.2 Selecting a Pile for Integral Abutments....................................................................................10-1
. N6 k: L( t, ?  ~4 ^  A6 F10.2.1 Loads on Piles......................................................................................................................10-16 o$ Q2 m1 q0 O# \7 e2 Q6 b. d
10.2.2 Pile Cap Geometry...............................................................................................................10-29 F, r6 o1 u! B" _& N  B
10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-2
' y3 E4 Z  B% Q10.2.2.2 Pile Groups.................................................................................................................10-23 z8 `9 N4 ]1 _. x: w
10.2.2.3 Pile Length Requirement............................................................................................10-2
- f0 O* @- x8 D* c2 ?5 e- m10.3 Service Limit State....................................................................................................................10-20 X1 l" G2 R8 Q1 Q
10.4 Strength Limit State..................................................................................................................10-2
! g2 y; h/ p! P* f0 P1 k10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-3
3 k4 ~- i9 I! ^* B10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-3
4 [' B0 h, D6 m0 K7 Y" p/ a10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3% }! ^- u  q; K/ }1 n5 M
10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3
8 s' s' [: V7 v/ Y. 2009 by the Structures Section, Program Development Division
+ p9 m$ W6 `6 }- p. {) a" |Vermont Agency of Transportation
7 }$ H% ?# t& ^! N  w- QTABLE OF CONTENTS ix& h+ G- c  h( P9 V8 C+ ?
10.5 Pile Driving Analysis................................................................................................................10-4
1 F9 B% ?/ m9 t10.5.1 Pile Driving Concerns..........................................................................................................10-4
% Z: r+ f2 B( T" k; j10.5.2 Maximum Pile Driving Stress..............................................................................................10-4
0 m  h; Y3 J9 {0 }5 Z" I10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
' V/ o) g' ~- U$ _# d# i9 I/ ~10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-5) r: G3 y. q4 E9 n" J( o
10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-51 F/ i" ~& @% m" D5 b6 ?. ]; Y
10.6 Design Steps for Piles...............................................................................................................10-6; Y" {& r+ i& b' ?# U
SECTION 11 Abutment, Piers and Walls....................................................................................................11-1
+ o' n1 P- R; {2 ?7 j# D5 A6 o  E3 `! n11.1 General Information..................................................................................................................11-1
' x$ n3 Q$ J$ N3 k: ~) g  C( ]2 GSECTION 12 Buried Structures and Tunnel Liners....................................................................................12-1
6 A0 u) ~- ~3 v0 Y# b12.1 General Information..................................................................................................................12-1
% o+ R/ n- a4 A4 E3 g% JSECTION 13 Railings................................................................................................................................13-1
) i# m5 G+ ~4 j, t  C13.1 General Information..................................................................................................................13-19 F- L2 W. O- m
SECTION 14 Joints and Bearings...............................................................................................................14-1  h) o9 g1 s8 {
14.1 General Information..................................................................................................................14-17 H! V; m$ E# |7 N
SECTION 15 Summary..............................................................................................................................15-1
" t8 y+ V2 o: H! TSECTION 16 References............................................................................................................................16-1
  @3 `/ ^7 q  a7 _16.1 General Information..................................................................................................................16-1( s9 ~# Z# q  u5 }0 `' l
16.2 Performance.............................................................................................................................16-1
* ?8 q+ S2 y! O16.3 Design Issues............................................................................................................................16-2
! c- o+ s+ [! d( h: U16.4 Analysis....................................................................................................................................16-2
5 e5 \; ]( S$ c8 h1 \& w16.5 Approach Slabs.........................................................................................................................16-2. u' o$ y  l% F& s1 Y; V
16.6 Forces.......................................................................................................................................16-26 k$ g* X6 R' x' B" ~" U; k: `6 \
16.7 State Manual References...........................................................................................................16-3- e. g, b9 r& E1 s0 M* ~, b6 `& D2 d
Appendix A Design Outline.............................................................................................................................1
6 v- M/ M# j! I7 ]7 a7 j/ U) nAppendix B Design Example...........................................................................................................................1
8 \3 R' n, ^8 p3 Z. b* f3 \2 G2 ENotes:..........................................................................................................................................................16-1; n2 f( f4 @9 S0 M& T: h# n

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cjcc 发表于 2011-4-8 23:00:03
INTEGRAL ABUTMENT BRIDGES - DESIGN AND CONSTRUCTIBILITY (8 Pages)& U  s# y' f- ?, S4 L8 A) Y
integralabutmentbridges.pdf (368.95 KB, 下载次数: 11, 售价: 1 元堡币) - z* G/ I0 s1 N9 M3 A
David I. Harvey, Don W. Kennedy
7 @# u6 n/ t1 t/ G1 j; ], jAssociated Engineering (B.C.) Ltd., Canada
  U' {; Z  l& |" y, L; o$ g2 i9 WGordon W. Ruffo. G' C( G, M; ?6 d( q7 ~. ^
Carston-Aimes Construction Consultants Ltd., Canada
8 j1 _. b9 m8 K  e9 p# _" D& P+ A+ F& c6 g+ N5 j4 o, Y/ y
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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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Integral Abutment Bridges Current Practice in the United States And Canada(20 Pages)& w7 Y8 `$ x$ x- N4 g/ q
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) 5 C6 Q# |, r2 h! \+ n& h! S

目录

目录
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cjcc 发表于 2011-4-8 23:18:54
INTEGRAL BRIDGE ABUTMENTS(50 Pages)
5 ~3 t" w  ^2 ^5 iR. J. Lock
9 ~0 k) A0 s4 Z; w4 `& v# JCUED/D-SOILS/TR320 (June 2002)
% s7 m9 K! s' L6 N9 EM.Eng. Project Report0 z  g# i" u4 X" g8 h% h  l% {+ n% J
INTEGRAL BRIDGE ABUTMENTS.pdf (1.47 MB, 下载次数: 3, 售价: 1 元堡币) $ Q+ P# l  c; t* j9 Y
1.0 INTRODUCTION ..............................................................................................46 z8 i5 g) I  I, J
1.1 Purpose and Scope of Project .................................................................................... 5
) H1 Z0 I# A' k5 @9 Q$ ~1.2 Mode of Bridge Movement ....................................................................................... 6
. I1 p) v* j9 m+ R1 z! j1.3 Magnitude of Deck Expansion .................................................................................. 6
1 w' u2 H  N; u5 l- y3 Z2.0 LITERATURE REVIEW - Model Test Procedures...........................................7
2 w  F+ g+ {, R3 X) @2.1 TRL Report 146: Cyclic loading of sand behind integral bridge abutments............. 7
- G/ x* f7 {' L- p4 ~' G2.2 Integral Bridges: A fundamental approach to the time-temperature loading problem  a5 P$ }8 {+ E# Q9 h
(England et al., 2000) .......................................................................................................... 11
3 j$ ~& H# v9 k8 y7 Q3.0 EARTH PRESSURES - Experimental Results.................................................13: L" E5 N* E: I
3.1 BA 42/96 - The Design of Integral Bridges ............................................................ 13
7 H7 ], f' N! O/ [3.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments3 s! \1 J- `6 b4 D4 w
(Springman et al. 1996) ....................................................................................................... 14
0 O$ E" \# B; l3 b+ r+ O. G3.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
( Q  D6 F' [& ?- U( Q9 n(England et al., 2000) .......................................................................................................... 16% w# }2 ^& S. M* Q1 K
3.4 Experimental and Analytical Investigations of Piles and Abutments of Integral1 f5 P1 s. I' Q# k% t$ V+ N3 t. b
Bridges (Arsoy et al., 2002) ................................................................................................ 19* O% y: k/ C9 K# K$ i( r7 j
4.0 EARTH PRESSURES - Field Measurements ..................................................20
5 |6 Z3 R3 w. Z- J4.1 Field tests................................................................................................................. 20: S% \, q, g% T& h
4.2 Testing an Integral Steel Frame Bridge: Elgaaly et al., 1992; Skew Effects on/ e6 p9 E& ~8 L, x" O- U
Backfill Pressures at Integral Bridge Abutments: Sandford & Elgaaly, 1993. ................... 21# j$ O; k- _, }. @
4.3 Measurement of thermal cyclic movements on two portal frame bridges on the M1:
! W1 M4 t) u2 k. ]Darley & Alderman, 1995 ................................................................................................... 24( T! {8 j6 |. U8 C: x# V5 U" Y
4.4 Field Study of an Integral Backwall Bridge: Hoppe & Gomez, 1996..................... 24
1 ^  A& u8 O* M- n9 S6 C+ H4.5 Seasonal thermal effects over three years on the shallow abutment of an integral+ Z! Y/ }& \: P" R
bridge in Glasgow: Darley et al., 1998................................................................................ 26
  I" b! {% x: y+ e4.6 Performance of an integral Bridge over the M1-A1 Link Road at Bramham$ Y' B" I/ ^3 L$ C0 y8 ]4 d: Z% P
Crossroads: Barker & Carder, 2001 .................................................................................... 27
& k8 h% ]9 \) E' J1 S& H& e4.7 Field Performance of Integral Abutment Bridge: Lawver et al., 2000.................... 28
# q% a1 ?8 J; T) S& g4.8 Integral Bridge in West Lafayette, Indiana. Frosch, 2002....................................... 29
' e! @, J! e% M& ]4 P0 k" J4.9 Coefficients of Thermal Expansion......................................................................... 30/ T( b' C5 p$ {: j
4.10 Influence of deck compression................................................................................ 31( Y+ Q: F/ U3 }1 [- l4 _
5.0 SETTLEMENT - Experimental Results ...........................................................33  ^: H6 i; I) s; g
5.1 BA 42/96 - The Design of Integral Bridges ............................................................ 33
  J1 E& Y  p! G+ B5.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments3 H" J% i  o( ^: q4 P5 h9 |
(Springman et al. 1996) ....................................................................................................... 33" i# E4 B4 D; ]5 _8 }& q" P" T' e
5.3 Integral Bridges: A fundamental approach to the time-temperature loading problem8 x0 H  {. b: a7 |, G' R
(England et al., 2000) .......................................................................................................... 36
$ w) f. v$ N8 m- q6.0 SETTLEMENT - Field Measurements.............................................................38+ n1 ]) N7 ~" s- F- ]& Y2 @! j2 r* T
6.1 Highways Agency Maintenance Data ..................................................................... 389 Z& s8 f! f: P* ~+ A
6.2 Field Studies ............................................................................................................ 40
0 j" t4 n/ u$ N* U" i  Y6.3 Approach Slabs........................................................................................................ 422 {3 M; ^  k2 F" c3 L8 s# T
7.0 CONCLUSIONS...............................................................................................44
1 E4 V5 D( C7 S8 H5 Y; `; g3 R2 V4 \7.1 Superstructure.......................................................................................................... 443 E# N4 p, m0 ]( z6 i4 O/ |
7.2 Abutment design...................................................................................................... 44, x% F; `+ H/ j; e" U
7.3 Settlement mitigation............................................................................................... 45
- e7 A+ I6 \9 ]& R. Y* e% z1 Z8.0 REFERENCES .................................................................................................46
1 x9 ]4 {' G7 e. A9 K4 Y9.0 ACKNOWLEDGEMENTS..............................................................................49
: m& ~. z. P7 w' H* N$ O2 {8 BAPPENDIX A Earth pressure coefficient definitions .............................................507 K- J/ J( c0 r1 c- ?7 y+ L6 |
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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
, M' r- M# ?7 M( j. a# [( W. S& o) x* X* i2 _- C0 \
THE 2005 – FHWA CONFERENCE 会议论文集(343Pages)
( O- q5 G& m: u' d8 n0 ZIntegral Abutment and Jointless Bridges
# ]/ Q1 C+ |( i(IAJB 2005) March 16 – 18, 2005
* b( L% s$ j( R/ x: t" IBaltimore, Maryland
# v9 k+ N9 c& r, @3 x) P6 a Proceeding.part3.rar (753.87 KB, 下载次数: 3, 售价: 1 元堡币) ' E3 q  W% C! R4 y4 N/ T" N" r
Proceeding.part2.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) - j- d% @, ]& K# e7 {2 s1 g2 T
Proceeding.part1.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) 3 v6 @8 \, c1 ^$ I$ }# Q7 F
$ l  r  H' a* f* ]8 b8 V4 c) V
Session I: Current Practices with Design Guidelines and Foundation Design7 y9 B( j5 `- |
Integral Abutment and Jointless Bridges                                                                    
0 ?9 S/ o2 }$ dV. Mistry                               3
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Integral Abutments and Jointless Bridges (IAJB)          2004 Survey Summary         
4 m( k& j5 o3 g8 PR. Maruri, S.Petro                 12# q" @8 z+ N( r% P# }

% Y  c7 O) m7 Y& v( c7 o( UThe In-Service Behavior of Integral Abutment Bridges:  Abutment-Pile Response   
% W) T0 N$ g% }& MR. Frosch, M. Wenning, V. Chovichien 30
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- ~' A1 k+ y6 e: [: QNew York State Department of Transportation's Experience with Integral Abutment Bridges
, f0 K& ^+ y' u/ b# A2 UA. Yannotti, S. Alampalli, H. White        41
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  n' f& |& E# {& UIntegral Abutment Design and Construction: The New England Experience             ( L( I( \, F# E5 q0 W' W
D. Conboy, E. Stoothoff                        50# t# x5 V" `( e; k: j5 m
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VDOT Integral Bridge Design Guidelines                                                                  , ]8 p: [9 x7 ^) O7 C2 `
K. Weakley                                            61
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Session II: Case Studies, P% D, E+ b$ M" \: @7 q
Case Study: A Jointless Structure to Replace the Belt Parkway Bridge  Over Ocean Parkway, f5 o2 n/ I0 P- l& i0 {
S. Jayakumaran, M. Bergmann, S. Ashraf, C. Norrish 73$ z! h6 n- b, i2 h1 c; A

( U6 K8 M, b2 u  w! E" wCase Study – Jointless Bridge Beltrami County State Aid Highway 33 Over Mississippi River in Ten Lake Township,
- Y6 @7 P4 o. [' k0 `  Y! d' \ Minnesota J. Wetmore, B. Peterson                             84
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Design and Construction of Dual 630-foot, Jointless, Three-spanContinuous Multi-girder Bridges in St. Albans, West Virginia,2 Q- p4 l% x; M
United States, Carrying U.S. Route 60 over the Coal River( X( ?* i) _( d0 x
J. Perkun, K. Michael                                                  978 x+ t/ E8 A" Y2 w
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Integral Abutment Bridges with FRP Decks – Case Studies; Q8 V3 }& k* W: d! `
V. Shekar, S. Aluri, H. GangaRao                             113
4 Y' L6 p+ A; ^% M: s9 {9 E
0 j) k8 @0 Q& u- pNew Mexico’s Practice and Experience in Using Continuous Spans for Jointless Bridges
  L, f$ U. P4 ^* L' b' y S. Maberry, J. Camp, J. Bowser                            125
+ K9 T( U5 J. ?4 a6 F# E6 H3 D- A! @1 z) j) X* p" p) b
Integral Abutment Bridges – Iowa and Colorado Experience. X" x; i8 v) Y
D. Liu, R. Magliola, K. Dunker                               1366 n( T7 n  x. s$ r. Y
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Moose Creek Bridge – Case Study of a prefabricated Integral Abutment Bridge in Canada
) n* k! t  U, c) K I. Husain, B. Huh, J. Low, M. McCormick                 148$ I  `  \: a% ^- C5 }& E
Session III: Maintenance and Rehabilitation, i  z: t$ j8 r) [5 O( p
Session IV: Construction Practices) Y7 \; `2 Y( I0 e* h7 g
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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) V8 z3 f; [- x& y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 $ f9 t, u, D% t
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- T0 e8 t7 v2 ^7 T/ q3 ^这篇贴和 子菁版主的 美国道路桥梁深度考察报告
- F0 m; d: ~0 u: E2 q! s5 D/ m6 ?2 D  N- n2 p4 S7 ?
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
: X1 G/ f  d& ]' u% s& _有对比才有进步,取长补短。
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