Integral Abutment Bridge Design 的几篇文献

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) |( \( @9 `  h& r, AIntegral Abutment Bridge Design Guidelines(92 Pages)% t0 X4 F8 C- H
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TABLE OF CONTENTS
4 l8 q( r$ U+ N# n0 O* ?# _Table of Contents...........................................................................................................................................vii
) d2 v/ N; s  tIntroduction.....................................................................................................................................................xi
4 i/ o0 s5 v: ?) K1 d! WSECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
% w4 S4 S: X' L! _3 Q) l+ S$ u; R. Q1.1 Integral Abutment Bridge................................................................................................................1-1
0 F& h9 q5 j+ j: m& j8 F1.2 Difference from Conventional Bridges............................................................................................1-1* Q+ ?9 p- [) k- F- z3 F
1.3 Document Precedence.....................................................................................................................1-15 P9 F; q: W3 S( a$ ]' ]
1.4 Definitions......................................................................................................................................1-1% n2 Q4 M  s9 G& \/ B1 v
1.5 Notation..........................................................................................................................................1-3  o. L0 U! P. c$ e2 j" t- C7 ?6 J
SECTION 2 General Design and Location Features.....................................................................................2-19 U1 q. \- B! L$ y0 K& x
2.1 First Choice.....................................................................................................................................2-1/ i4 A% R. m: w1 M! I, h
2.2 Structure Geometrical Criteria.........................................................................................................2-1" m! b6 Q/ y+ s$ X! c
2.2.1 Criteria for the Simplified Design Method.............................................................................2-1; R4 I. o" ^# J8 i3 x) R7 c
2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-2
6 J' Q5 ]! G2 k& c7 R" z2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2& q7 G. `* \+ }% o% j% F6 f- _
2.3 Laying out the Bridge......................................................................................................................2-3
$ k" d' Q8 Z4 a: K6 ^; q7 C6 k2.3.1 Conventional Layout..............................................................................................................2-3
( U5 o0 W5 ^9 _; E+ k$ l2.3.2 Ideal Layout...........................................................................................................................2-38 a: ~8 u: z& ]. U
2.4 Hydraulic RequirementS.................................................................................................................2-5
0 c. i7 p) [& {2.4.1 Scour Considerations..............................................................................................................2-6
* F# Q1 a+ K8 v4 ^2 n* m3 ]3 F1 k2.4.2 Cofferdam Requirements.......................................................................................................2-6; j: x, g# `+ c) B' U, y
2.5 Geotechnical...................................................................................................................................2-6
5 h  T$ k* R( C- G# R5 u3 j8 TSECTION 3 Loads........................................................................................................................................3-19 F: P9 h9 R' [1 {1 x
3.1 General Information........................................................................................................................3-1
$ h- L' T  }/ P" O3 ~0 r2 J1 P3.2 Application of Loads.......................................................................................................................3-1
" j$ E) F" F# p/ b! ~( i3 x3.2.1 Construction Stage.................................................................................................................3-1
5 i* W( D# a8 E6 y! q" x) C! M6 l3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1
4 {8 v  L( m; |% r) V3.2.1.2 Construction Dead and Live Loads...............................................................................3-17 @- ]( I, Q# H1 ?) P' Q
3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1
1 s4 O9 f# {& B* \, l3.2.2 Final Stage.............................................................................................................................3-1; M1 k/ o# u* R& e
3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
5 m; L1 K/ q- T: ]/ o! F" J3.2.2.2 Live Loads....................................................................................................................3-2
7 g, D  x' _: a0 n3.2.2.3 Longitudinal Effects.....................................................................................................3-2: ?) k/ l$ p3 a4 K& f! j
3.2.2.4 Earth Loads...................................................................................................................3-2
3 R' A3 p) ]  k! M1 Q+ p7 mSECTION 4 Structural Analysis and Evaluation...........................................................................................4-17 O8 h  E+ w2 y8 W. U
4.1 General Information........................................................................................................................4-1
& U' O/ m( F  X! H9 d( l1 ?4.2 Structural Design Criteria................................................................................................................4-13 M6 W6 t4 J" k1 O
4.3 Design Methodology......................................................................................................................4-1
: O* a2 H8 i5 a+ B; M+ V4.3.1 Simplified Design Method.....................................................................................................4-1
0 ]3 p5 V; F. {1 z' t: T4.3.2 Detailed Design......................................................................................................................4-2
; Y5 B- @4 u( @/ ^4.4 Superstructure.................................................................................................................................4-2
, I* d8 B7 v# Z  H: n! p4.4.1 Bridge End and Anchorage General Details..........................................................................4-27 d  I/ [+ f( K9 r5 D5 C
4.5 Substructure....................................................................................................................................4-3! I, f7 s  r) V% N
4.5.1 Abutment Movement..............................................................................................................4-3
$ i4 }" \2 m% N2 L/ T4.5.1.1 Thermal Movement.......................................................................................................4-3
; b. v( P0 n6 Y9 b2 ?4.5.1.2 Shrinkage and Creep.....................................................................................................4-4
+ T8 M' N' p- V! X& B) J2 x- h6 W. 2009 by the Structures Section, Program Development Division
0 v  e; ^# Y/ u, F  Z  AVermont Agency of Transportation
% i; z9 x3 ?, mviii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE3 `! O* `! e! M+ m) }, ]9 d$ V
4.5.1.3 Total Allowable Movement..........................................................................................4-4
, }7 E' V9 [8 [. L  t4.5.1.4 Grade of Steel...............................................................................................................4-4/ |+ z' W8 c3 ^& U
4.5.1.5 Pile Selection................................................................................................................4-4
+ J+ t1 C' J# _* @7 @% Q) i. R& M: q4.5.1.6 Pile Orientation.............................................................................................................4-9
1 u( K  b8 ^4 d( z) U& M4.5.2 Pile Design............................................................................................................................4-9; ?  G$ F+ j+ A2 Q( r
4.5.2.1 L-Pile Software Analysis............................................................................................4-119 U4 E' M2 \! m" |
4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11
) Q' c7 K! F' f' `0 h4.5.2.1.2 Pile Deflection and Moment..................................................................................4-11
% @3 n3 Q" R; ^! y& ~8 U2 W# \, z5 k3 z4.5.2.1.3 Unbraced Lengths..................................................................................................4-12
! ?3 f- c7 C( L6 l; ?8 m4.5.2.1.4 Depth to Fixity.......................................................................................................4-12, k" B/ \' ?5 J4 o4 W
4.5.2.2 Combined Axial Compression and Flexure................................................................4-16, s. k3 E) L' W6 E  V6 f" T
4.5.3 Pile Cap...............................................................................................................................4-16
  c( U% u, t0 Y4 n4 M7 ?5 e4.5.4 Wingwall Design..................................................................................................................4-160 P: @  B/ Z1 D9 u/ Z( R; B; ~3 F
4.6 Project Notes and Special Provisions............................................................................................4-16
( f$ |6 y- \# i$ K& |4.7 Load Rating..................................................................................................................................4-16
0 C2 y9 Y6 L+ f) F4 ESECTION 5 Concrete Structures...................................................................................................................5-1
( @) C. \- A- `5.1 General Information........................................................................................................................5-1
7 }( @) a% m2 G3 [6 t, V5.2 Prestress Superstructure Specific Details........................................................................................5-1% G! n8 X8 M, S( p( F
5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-1
8 a. \0 E& V. u& j9 T$ H5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2% }  g, J( ^8 Z
5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-40 `/ T& m) k3 w( G5 p- H# Z
5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-4
  l, a/ K9 z5 {0 p& F; DSECTION 6 Steel Structures........................................................................................................................6-18 I' V9 |1 C7 x, U
6.1 General Information........................................................................................................................6-12 Z) x: R. ]3 L9 `) L( u" y& g
6.2 Steel Girder Specific Details...........................................................................................................6-1) q3 q; p2 d6 X5 c2 C6 b5 M1 x, B
SECTION 7 Aluminum Structures................................................................................................................7-1, ]$ X) F  H, y0 o8 b$ {: F" ]9 [
7.1 General Information........................................................................................................................7-1$ q9 c3 @0 l  _1 f2 ^/ {
SECTION 8 Wood Structures.......................................................................................................................8-1. F6 U/ `$ r: q3 ~( i5 I$ \
8.1 General Information........................................................................................................................8-1: V* O' m2 O5 r9 N& S
SECTION 9 Deck and Deck Systems............................................................................................................9-1
- R) N6 j' i' f/ u  Q7 C0 }9.1 General Information........................................................................................................................9-1
/ [6 J8 H1 ?9 \" Y8 h# {SECTION 10 Foundations..........................................................................................................................10-18 [" ?# `0 _) y/ K/ L* j! k7 \
10.1 Initial Considerations................................................................................................................10-1
' X3 j- X; k) N9 j7 j  o9 f10.1.1 Geotechnical Exploration.....................................................................................................10-1
. _6 u9 n4 L1 j$ s4 c10.1.2 Pile Design and Verification................................................................................................10-16 M1 L; G$ U+ [
10.1.3 Required Information for Contract Documents....................................................................10-1
0 _" b' }2 }1 Z7 O9 q10.2 Selecting a Pile for Integral Abutments....................................................................................10-1
+ k* K" T) g; o10.2.1 Loads on Piles......................................................................................................................10-1+ Z  ]' T8 E' m
10.2.2 Pile Cap Geometry...............................................................................................................10-2$ b( E% e* e3 l
10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-2
* U7 b3 |& Q2 {10.2.2.2 Pile Groups.................................................................................................................10-2* }/ S1 o7 Q6 b5 W
10.2.2.3 Pile Length Requirement............................................................................................10-2- O8 d0 d5 E6 t6 D0 T5 o/ @* M
10.3 Service Limit State....................................................................................................................10-23 p' S( Y$ @0 o  X! N
10.4 Strength Limit State..................................................................................................................10-2
# Q; s4 w- \/ T( u: W10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-3
1 M/ Z$ j, D/ ^- l) Q. D$ l10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-3
9 C  a# ~" P+ ]" Y1 Z10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3
9 \  N) q7 K* ?" H, Q) I* T3 \10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3: I& E. l9 E7 q% ?
. 2009 by the Structures Section, Program Development Division4 ?0 X5 y% T+ A& w
Vermont Agency of Transportation
: u+ Q) g7 r9 k' B  pTABLE OF CONTENTS ix" }) j9 l& H! k2 F: R
10.5 Pile Driving Analysis................................................................................................................10-4
5 B, S, G! V2 g- j10.5.1 Pile Driving Concerns..........................................................................................................10-4+ K# I2 J: D) Z/ x
10.5.2 Maximum Pile Driving Stress..............................................................................................10-4
2 S5 f$ H$ P% m% q" u( n0 e# \10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
* M, q" c6 ?+ G- Z. ^5 y8 I% }10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-5
3 V! D* Z  W  K' d2 c  O10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-5
! \+ D+ ?6 [( m5 y9 o10.6 Design Steps for Piles...............................................................................................................10-6
* y2 b' r' W5 W* l7 |7 W6 \SECTION 11 Abutment, Piers and Walls....................................................................................................11-1, I7 R6 i9 y2 T% w, f1 X; j+ f
11.1 General Information..................................................................................................................11-1
3 |, \% S2 ]' g9 p0 b2 t0 @SECTION 12 Buried Structures and Tunnel Liners....................................................................................12-1, c: w4 E& E1 W! U& h# s& V* [, R9 x
12.1 General Information..................................................................................................................12-1
/ o- W9 }9 |/ M1 o- [SECTION 13 Railings................................................................................................................................13-1
, F2 l" z1 E# n4 Q1 b13.1 General Information..................................................................................................................13-1" G/ I  s) ]8 t7 ]
SECTION 14 Joints and Bearings...............................................................................................................14-1
$ W$ g* A1 _. |14.1 General Information..................................................................................................................14-1
3 X3 \' i7 T9 ySECTION 15 Summary..............................................................................................................................15-1
! P+ G$ h$ q: k7 d& ISECTION 16 References............................................................................................................................16-1
+ Z0 S- e7 `1 a) a' R* }' E16.1 General Information..................................................................................................................16-1  o% v4 ~' L! W3 l9 D$ I6 G
16.2 Performance.............................................................................................................................16-12 O) ]9 f4 U9 j& e# N; N( g
16.3 Design Issues............................................................................................................................16-2
1 @8 W1 M& g3 f( m" c9 S8 r16.4 Analysis....................................................................................................................................16-2
& z" J& N7 U& p, D& L' A16.5 Approach Slabs.........................................................................................................................16-2
: [1 @6 k# Y  U5 \7 E4 b16.6 Forces.......................................................................................................................................16-2% v( S  Y4 I# L% E9 f
16.7 State Manual References...........................................................................................................16-38 @& \0 J# t- s/ v7 w; `0 W
Appendix A Design Outline.............................................................................................................................1
! {! i+ D3 h* x  q1 |( QAppendix B Design Example...........................................................................................................................1
0 }7 y: X  j2 E3 f( z$ dNotes:..........................................................................................................................................................16-1
! T) `( V- u9 G, g8 B; f3 W9 G$ ?
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cjcc 发表于 2011-4-8 23:00:03
INTEGRAL ABUTMENT BRIDGES - DESIGN AND CONSTRUCTIBILITY (8 Pages)8 K9 ^# F9 z9 Q3 T" V
integralabutmentbridges.pdf (368.95 KB, 下载次数: 11, 售价: 1 元堡币) 2 G0 W2 G$ T6 S, A$ P1 W
David I. Harvey, Don W. Kennedy) Z' R+ @* S9 ^+ l- V5 a6 E
Associated Engineering (B.C.) Ltd., Canada- w$ e6 Y" n% ]# G* d
Gordon W. Ruffo
/ \$ F5 |" a; X! K; f) ECarston-Aimes Construction Consultants Ltd., Canada1 g4 I0 y! A! |, J

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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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0 [- m' t2 ~  f0 W( D1 YIntegral Abutment Bridges Current Practice in the United States And Canada(20 Pages)
; q, h( z/ p  x7 m& g1 i; i: I 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

目录
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cjcc 发表于 2011-4-8 23:18:54
INTEGRAL BRIDGE ABUTMENTS(50 Pages)
9 T; o% ^* P! v# f; |) g( a6 mR. J. Lock  Y6 S. h, \0 P: _' ^$ R. D) f
CUED/D-SOILS/TR320 (June 2002)/ ~9 u$ d2 H. f7 S
M.Eng. Project Report- S0 @' N0 _& t9 V9 y
INTEGRAL BRIDGE ABUTMENTS.pdf (1.47 MB, 下载次数: 3, 售价: 1 元堡币)
0 J0 v& m7 L) F# b1.0 INTRODUCTION ..............................................................................................4
; v( p, s, l) T: l$ Y' B& Z8 m1.1 Purpose and Scope of Project .................................................................................... 59 A8 v4 U- H+ c4 n
1.2 Mode of Bridge Movement ....................................................................................... 6/ q1 p1 N' f6 q4 ]0 m1 Z0 Y
1.3 Magnitude of Deck Expansion .................................................................................. 6
4 b# S7 R, x) M& t2.0 LITERATURE REVIEW - Model Test Procedures...........................................74 M/ F3 }2 q) b' C
2.1 TRL Report 146: Cyclic loading of sand behind integral bridge abutments............. 7( @2 i/ T. p" @
2.2 Integral Bridges: A fundamental approach to the time-temperature loading problem0 n% S  G* E, g, @  ~6 X
(England et al., 2000) .......................................................................................................... 11& U8 q6 [( M& s4 Z* v
3.0 EARTH PRESSURES - Experimental Results.................................................13
) [6 O! C$ E, S0 W3 ?# L3.1 BA 42/96 - The Design of Integral Bridges ............................................................ 13+ ]  H* |7 i& d1 V$ H
3.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments  e8 O1 ^5 [( h' R4 R; \* |
(Springman et al. 1996) ....................................................................................................... 14  g5 E0 A" T$ v( G5 n) b
3.3 Integral Bridges: A fundamental approach to the time-temperature loading problem" ^% s8 U7 H7 f% L5 [
(England et al., 2000) .......................................................................................................... 16
  T* {- V# V  Z. P' m9 m3.4 Experimental and Analytical Investigations of Piles and Abutments of Integral2 A/ L; t' v; \' P: X* F% k
Bridges (Arsoy et al., 2002) ................................................................................................ 192 W/ Z( \: u4 v( T. H# W/ H. K! ^7 h( x$ Z
4.0 EARTH PRESSURES - Field Measurements ..................................................20- Y# x" C- c1 o& y) |& T
4.1 Field tests................................................................................................................. 20
  c& Q6 y1 X. j5 y5 U0 e" Y4.2 Testing an Integral Steel Frame Bridge: Elgaaly et al., 1992; Skew Effects on! S# t$ N2 x7 j
Backfill Pressures at Integral Bridge Abutments: Sandford & Elgaaly, 1993. ................... 212 W& g4 p3 m5 I  Y
4.3 Measurement of thermal cyclic movements on two portal frame bridges on the M1:' m( U, m& U! \- W" G3 ?5 i
Darley & Alderman, 1995 ................................................................................................... 24& M% S) d* O9 r! W
4.4 Field Study of an Integral Backwall Bridge: Hoppe & Gomez, 1996..................... 248 I, K( ?! H7 Q) X4 J% E+ Y% G
4.5 Seasonal thermal effects over three years on the shallow abutment of an integral
9 i+ u% H+ r; e( b+ |bridge in Glasgow: Darley et al., 1998................................................................................ 26
6 d: g1 z9 A' g% f4.6 Performance of an integral Bridge over the M1-A1 Link Road at Bramham) S4 e# i2 z6 B" q: d
Crossroads: Barker & Carder, 2001 .................................................................................... 275 t9 q5 W* K. V- l" b
4.7 Field Performance of Integral Abutment Bridge: Lawver et al., 2000.................... 28
) l& H' [- k4 L- B5 a4.8 Integral Bridge in West Lafayette, Indiana. Frosch, 2002....................................... 29! c9 ^, W8 f' s$ Z" z, k, n
4.9 Coefficients of Thermal Expansion......................................................................... 301 Y+ j& C% F- u* U2 k& W7 f  Y
4.10 Influence of deck compression................................................................................ 31
# P, u" {! g4 W; ]. `+ r5 \5.0 SETTLEMENT - Experimental Results ...........................................................33
( r: i# j1 }  b& A5.1 BA 42/96 - The Design of Integral Bridges ............................................................ 33
. q4 |- }$ L# X+ }+ y5 ~5.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments- c; w8 l; `- ]" ?
(Springman et al. 1996) ....................................................................................................... 33
0 [$ K8 P5 d& N. [% K- {* [5.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
' J# q' D' h- ^- j- v(England et al., 2000) .......................................................................................................... 36
8 h% g: K- O9 x+ A- e6.0 SETTLEMENT - Field Measurements.............................................................38, n- m% l  B# ]( y$ N8 |# B# s3 m
6.1 Highways Agency Maintenance Data ..................................................................... 38
. w1 h2 {1 d# Q6.2 Field Studies ............................................................................................................ 40
) V; l; H0 m, e& H# ]6.3 Approach Slabs........................................................................................................ 42
1 r8 b2 x9 Q+ m  H) W7.0 CONCLUSIONS...............................................................................................44
/ n% M2 J9 p6 h! F- N( Y7.1 Superstructure.......................................................................................................... 442 ?5 W* t0 V# A! D
7.2 Abutment design...................................................................................................... 44
5 M# G2 W* t9 {, T" w7.3 Settlement mitigation............................................................................................... 45, |! R( T/ F" X$ \: W$ O8 k
8.0 REFERENCES .................................................................................................46
9 O' Y. D* R1 i; Z* E1 v9.0 ACKNOWLEDGEMENTS..............................................................................49
, O, @  K/ w7 J- dAPPENDIX A Earth pressure coefficient definitions .............................................50$ J$ i% f' Z- |5 Z
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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 4 n5 ^, k  x8 _8 n- }

% |7 }; T8 z3 i# B  T1 @: t% e- vTHE 2005 – FHWA CONFERENCE 会议论文集(343Pages)0 d; ?# |: k, ]4 r# ~
Integral Abutment and Jointless Bridges- j# `! S2 n5 _. B/ A2 Y
(IAJB 2005) March 16 – 18, 2005
6 B5 b# S$ C, v3 q* wBaltimore, Maryland
; e! \! M9 O4 u5 L3 V* g9 p Proceeding.part3.rar (753.87 KB, 下载次数: 3, 售价: 1 元堡币)
2 W/ V% y3 a9 q9 c" I Proceeding.part2.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币)
) I  D' i' b( ]7 j Proceeding.part1.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币)   |" A2 |  i5 W$ W
+ U8 v9 K2 a* ]* f
Session I: Current Practices with Design Guidelines and Foundation Design2 r4 q$ a9 g  D
Integral Abutment and Jointless Bridges                                                                    7 s' Q0 r) H0 {3 G6 o  b
V. Mistry                               3: t4 r9 N5 z! O# W5 j7 v
0 g# b, x( e3 x' W: l
Integral Abutments and Jointless Bridges (IAJB)          2004 Survey Summary          ! O! e# o" t- a
R. Maruri, S.Petro                 12* L( i+ p' s- L

) M; h8 m- U3 x& b  Q9 xThe In-Service Behavior of Integral Abutment Bridges:  Abutment-Pile Response   
% i8 Q# |( p3 g2 RR. Frosch, M. Wenning, V. Chovichien 30
; @; s& \2 C' e, K& ]
' A& I( U8 I. ~: D" KNew York State Department of Transportation's Experience with Integral Abutment Bridges
/ K, X9 a4 |0 U8 p" e' dA. Yannotti, S. Alampalli, H. White        41
; S4 M$ j: w5 f. j- E6 [# g+ Y+ u# q. v: \% J# a3 u4 {
Integral Abutment Design and Construction: The New England Experience            
: @# E, c& \4 H! t6 T% Q D. Conboy, E. Stoothoff                        505 d' p7 j% A3 ~0 Y

  Q% ~: `8 m8 E9 @VDOT Integral Bridge Design Guidelines                                                                  
2 a9 N9 ?3 M+ k5 [K. Weakley                                            61$ R' G# D# g1 n

' L  Q, z; z$ I# E; g% x. H" K& FSession II: Case Studies) b, v! m, e3 V4 L) |. o' z- r% U
Case Study: A Jointless Structure to Replace the Belt Parkway Bridge  Over Ocean Parkway
( C3 w0 w. Q" M4 A  g$ o" C S. Jayakumaran, M. Bergmann, S. Ashraf, C. Norrish 73
7 F4 d  C, F! H. s' q
7 Q& H- u1 o1 @3 ]2 g$ j" cCase Study – Jointless Bridge Beltrami County State Aid Highway 33 Over Mississippi River in Ten Lake Township,
. R' G+ S& z0 ?$ V# _ Minnesota J. Wetmore, B. Peterson                             84
: j% P/ I9 B1 C% h  }
( m& s2 d; ^* P( y7 f6 zDesign and Construction of Dual 630-foot, Jointless, Three-spanContinuous Multi-girder Bridges in St. Albans, West Virginia,
* x. e$ n% O9 rUnited States, Carrying U.S. Route 60 over the Coal River
& V- p& f7 U6 [( B( S; NJ. Perkun, K. Michael                                                  97
$ ?- S8 g" c- x/ Y/ ?' c8 _# J
/ _, {. S$ L: n! S* _, T# o4 F4 k1 sIntegral Abutment Bridges with FRP Decks – Case Studies/ L1 O0 @; A7 p0 Y( c" Z
V. Shekar, S. Aluri, H. GangaRao                             113
$ C1 e; r6 z" w# R% _5 z0 y. d0 \6 ~. F2 K  x: L) N1 \6 b! M
New Mexico’s Practice and Experience in Using Continuous Spans for Jointless Bridges8 Y4 A) Q, r# s! Y% Q% @' D2 q" d" D
S. Maberry, J. Camp, J. Bowser                            125
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Integral Abutment Bridges – Iowa and Colorado Experience
# e/ N8 V1 x, L& r: Q1 l5 M$ f D. Liu, R. Magliola, K. Dunker                               136
; q* G! a; N) A, F
# v2 N/ P. x  ~; DMoose Creek Bridge – Case Study of a prefabricated Integral Abutment Bridge in Canada
* X7 Z  U+ ]$ T8 v I. Husain, B. Huh, J. Low, M. McCormick                 148
- n2 V1 q8 g3 Q* x1 n8 }. x! MSession III: Maintenance and Rehabilitation
1 N( g4 X! V2 hSession IV: Construction Practices! `, B9 [9 h$ I
Author Index/ I8 P+ M! E% U/ Q

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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
+ X( {& R- f  x) v& S6 t
& x: M+ a3 m& u. c0 \) w2 \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   [  l" q  ^# e2 E- T

2 \  x4 x4 I- p( n) d/ [' }1 [  F2 C( f! b, L
这篇贴和 子菁版主的 美国道路桥梁深度考察报告( N* w# T: y9 n' I' B
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联合起来看,来了解国外的桥梁设计方法。
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wilfordlee 发表于 2011-6-17 11:43:48
我觉得。。。国内很多地方的设计,虽然一部分原因是设计理念的差距,这部分差距是很大,但是另一个很重要的原因是市场的因素
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dongd 发表于 2012-3-2 11:19:13
工程投入、历史积累、理念等多方面的差距
; P) D# t2 Z, X% F' v  a有对比才有进步,取长补短。
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