Integral Abutment Bridge Design 的几篇文献

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5 U+ t" B" j2 `( i; R: T- G4 YIntegral Abutment Bridge Design Guidelines（92 Pages）
' b8 V# J1 J" w; p3 }2 K Integral Abutment Bridge Design Guidelines.pdf (1.59 MB, 下载次数: 78, 售价: 1 元堡币)
& n" f& L; l: Q- l( y5 PTABLE OF CONTENTS7 R4 k6 x4 r% Q: M+ P: h5 Q1 @
Table of Contents...........................................................................................................................................vii7 k# t5 N+ U- a( }0 w
Introduction.....................................................................................................................................................xi" O1 M4 c2 U$ j* J- S
SECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
' K6 s3 e2 p5 G2 I2 u1.1 Integral Abutment Bridge................................................................................................................1-1& p- u% _1 ~# y* ]
1.2 Difference from Conventional Bridges............................................................................................1-1
2 V# u0 S4 G4 G$ V3 |1.3 Document Precedence.....................................................................................................................1-1
9 z3 O) V3 k! E9 ~1 ~/ j0 A1.4 Definitions......................................................................................................................................1-1
, x5 }4 c+ A$ i' a8 l* J1.5 Notation..........................................................................................................................................1-3
4 \2 f: p/ z- u4 L# BSECTION 2 General Design and Location Features.....................................................................................2-15 l0 y' U$ v3 M8 a
2.1 First Choice.....................................................................................................................................2-18 o: ~' F+ M( j
2.2 Structure Geometrical Criteria.........................................................................................................2-1
' H  A6 x' T1 @$ i' A* P: ]2.2.1 Criteria for the Simplified Design Method.............................................................................2-18 o/ i/ a/ ?! S& i7 s
2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-27 E* b  U! d6 Q
2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2
! H' C. u3 M. T3 W1 Q2.3 Laying out the Bridge......................................................................................................................2-3$ [  C6 v1 S! x5 I, p
2.3.1 Conventional Layout..............................................................................................................2-3) [1 g8 h0 g7 A5 x
2.3.2 Ideal Layout...........................................................................................................................2-3* {9 w$ d4 e2 e. g2 u! l4 L; q7 N3 t
2.4 Hydraulic RequirementS.................................................................................................................2-5
; f% J* j: x. i' l  ]# H( t2.4.1 Scour Considerations..............................................................................................................2-6
% ^1 T  d: T0 L6 o2 J- U; Z2.4.2 Cofferdam Requirements.......................................................................................................2-6+ F( n. S! ~5 f' J6 V6 ~; [
2.5 Geotechnical...................................................................................................................................2-6
% h' Z3 b1 o$ T0 ?( nSECTION 3 Loads........................................................................................................................................3-1
6 _7 D; R$ q( \! D( h" w( ^3.1 General Information........................................................................................................................3-14 Q. k! p4 _2 J. Y+ X/ a
3.2 Application of Loads.......................................................................................................................3-1" b! o( F1 C0 A4 I) r7 u5 M
3.2.1 Construction Stage.................................................................................................................3-1
6 R& B# f6 Y+ R$ m+ h9 {1 ^3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1$ V/ z. U' A  D% y, O
3.2.1.2 Construction Dead and Live Loads...............................................................................3-1
1 q3 V& F/ G  [( y3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1
4 q8 [2 S) b' \4 L# Q3.2.2 Final Stage.............................................................................................................................3-1
8 v/ T( c. A9 T$ J/ [, c: a3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
% r6 X% L6 L8 m2 Z& N$ I' |' k1 _3.2.2.2 Live Loads....................................................................................................................3-2* s* R/ i& q9 q1 ]: D1 S
3.2.2.3 Longitudinal Effects.....................................................................................................3-28 k/ p# x8 n' Z2 r# m: u
3.2.2.4 Earth Loads...................................................................................................................3-2
1 D, k- n3 t) n* s. ySECTION 4 Structural Analysis and Evaluation...........................................................................................4-1" A8 j5 P3 E& S6 n+ O4 E' G7 c9 e) ~$ G
4.1 General Information........................................................................................................................4-1
3 u& n1 f/ N, d3 H4.2 Structural Design Criteria................................................................................................................4-1' ?9 k7 L+ q3 T: H1 j6 B$ f
4.3 Design Methodology......................................................................................................................4-1; Q! g* L) S) L
4.3.1 Simplified Design Method.....................................................................................................4-1+ V  ^3 c8 }) N4 S6 y6 m+ i& v
4.3.2 Detailed Design......................................................................................................................4-2& s& c* p. k3 j, A2 Z$ O! i
4.4 Superstructure.................................................................................................................................4-2& L( {+ H$ u. v1 h( }
4.4.1 Bridge End and Anchorage General Details..........................................................................4-2
2 Y. m- Q6 x2 N3 S/ w' \( F  p" A4.5 Substructure....................................................................................................................................4-3& C8 T. c. h! @  d( k
4.5.1 Abutment Movement..............................................................................................................4-32 |3 M/ o# m, [0 A( Y. u
4.5.1.1 Thermal Movement.......................................................................................................4-3
4 K- N, \5 G3 x2 \4.5.1.2 Shrinkage and Creep.....................................................................................................4-4
% J/ S. ?: O6 P+ N7 w. 2009 by the Structures Section, Program Development Division
( m* a3 L! b2 D; EVermont Agency of Transportation* b9 G- }, |- O8 g7 H$ b
viii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE$ r/ d* o, _) D
4.5.1.3 Total Allowable Movement..........................................................................................4-4
1 h& i! H/ c; l- U4.5.1.4 Grade of Steel...............................................................................................................4-4
/ f# y& f" K. e6 {4.5.1.5 Pile Selection................................................................................................................4-4
7 T, T' Y5 Q& G& {5 z( W% q4.5.1.6 Pile Orientation.............................................................................................................4-9
4 g3 m6 e5 A  _2 c3 Z2 Z4.5.2 Pile Design............................................................................................................................4-9
  m% e( V) L7 U4.5.2.1 L-Pile Software Analysis............................................................................................4-11
) B; Y6 ^9 T/ f+ j4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11
5 w) y# l0 j' U" w5 x; f4.5.2.1.2 Pile Deflection and Moment..................................................................................4-11
7 ]+ n3 H9 z6 {0 T! `& R" W; k4.5.2.1.3 Unbraced Lengths..................................................................................................4-12
  V- ~0 ]& u% w4.5.2.1.4 Depth to Fixity.......................................................................................................4-12( {- W+ R  E4 L8 q2 I1 Z8 q$ q
4.5.2.2 Combined Axial Compression and Flexure................................................................4-16, S) s: X8 {- e2 F, m$ `" s
4.5.3 Pile Cap...............................................................................................................................4-163 V* Q; n+ J% W( `4 {0 f- a9 _
4.5.4 Wingwall Design..................................................................................................................4-169 ?; I8 H$ T3 ?& `( |3 G
4.6 Project Notes and Special Provisions............................................................................................4-16
7 Z$ a, ]9 e: o8 s  C* X4.7 Load Rating..................................................................................................................................4-16
# C$ b& ]" V$ O, j1 F) b3 BSECTION 5 Concrete Structures...................................................................................................................5-1* L. b7 f- [& e  F3 ~
5.1 General Information........................................................................................................................5-1' f# E/ E. D! m' P
5.2 Prestress Superstructure Specific Details........................................................................................5-11 R2 |" C8 W3 w* Q/ R1 g
5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-1
# I- L; K2 B8 n7 \6 B" t* M5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2
% P8 m+ \, X3 c0 u5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-4
% S& n% h$ h4 O- c. b3 X5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-45 \2 L2 h& W0 \4 h: |- t
SECTION 6 Steel Structures........................................................................................................................6-1
  n$ D9 G; S) G" m2 P3 g; Q' \7 T1 i6.1 General Information........................................................................................................................6-1
# X' w) C3 |9 V4 i+ {# m6 u6.2 Steel Girder Specific Details...........................................................................................................6-1  a( h7 G' S5 I+ h6 _
SECTION 7 Aluminum Structures................................................................................................................7-1
; O# r1 n& l& K# L" q7.1 General Information........................................................................................................................7-1
2 a: s9 I9 T7 [& T. q. ^# J/ M9 lSECTION 8 Wood Structures.......................................................................................................................8-12 I' @1 P+ b! @
8.1 General Information........................................................................................................................8-15 \7 N  B( u# |% f& c
SECTION 9 Deck and Deck Systems............................................................................................................9-1' J! {+ B& Z( n6 n8 N
9.1 General Information........................................................................................................................9-12 ~8 }( {2 q9 w$ M( E: ~
SECTION 10 Foundations..........................................................................................................................10-1
3 E: R7 Q4 h8 a3 u0 ?* J) G9 f/ h10.1 Initial Considerations................................................................................................................10-1
8 l2 \  g: [, k& l+ L' x  m3 Q10.1.1 Geotechnical Exploration.....................................................................................................10-1
9 m, s/ L9 F8 F# Z) r" K6 G3 E10.1.2 Pile Design and Verification................................................................................................10-1, l6 l7 }; v7 \9 @
10.1.3 Required Information for Contract Documents....................................................................10-1% M9 g$ b- h# d0 E  y+ b
10.2 Selecting a Pile for Integral Abutments....................................................................................10-1
, {# R$ Z: Q5 b! X10.2.1 Loads on Piles......................................................................................................................10-1
+ O- @3 c7 f' I; }& K% W10.2.2 Pile Cap Geometry...............................................................................................................10-2! h( S" a: i% x% B- G
10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-21 ^/ v. D5 I  u2 q% u* |
10.2.2.2 Pile Groups.................................................................................................................10-2
+ }/ `0 g& A7 k5 U: k# n7 q& o10.2.2.3 Pile Length Requirement............................................................................................10-28 I$ k1 r" m" U* }) H
10.3 Service Limit State....................................................................................................................10-2! K  K9 K: U) J& D
10.4 Strength Limit State..................................................................................................................10-22 a1 \9 F5 ?9 p' A& v: I+ h0 o
10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-3# e0 [, g: n6 F9 U7 r
10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-37 B2 Q& y* G9 Z8 Q
10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3$ R9 `: E4 P& m% A9 u4 W
10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3$ N5 L2 Y* Z3 ?, O+ ?" X
. 2009 by the Structures Section, Program Development Division
$ T% u. M( |) \Vermont Agency of Transportation2 j/ p- b( T, j" ]9 p
TABLE OF CONTENTS ix  l7 j! \' ?1 u
10.5 Pile Driving Analysis................................................................................................................10-49 ^5 h. k0 K! Y6 {9 n2 E# O* j- J
10.5.1 Pile Driving Concerns..........................................................................................................10-4
3 s7 X8 s5 h" i- G6 R9 _' M% A10.5.2 Maximum Pile Driving Stress..............................................................................................10-4
) h) L5 G4 c5 ]" ~3 a! X10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
" [# x6 L  c) O7 o; I% u10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-5
3 f* H& u, z, t- B10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-5
- \' n- D0 \, c% N: S10.6 Design Steps for Piles...............................................................................................................10-6: M1 N1 x# |4 B7 ~; S7 L/ h: g
SECTION 11 Abutment, Piers and Walls....................................................................................................11-1
, r/ U& u+ }2 J# H11.1 General Information..................................................................................................................11-1, }4 X6 _2 L( ?# C8 d  W
SECTION 12 Buried Structures and Tunnel Liners....................................................................................12-1  g3 y+ ^4 u6 X
12.1 General Information..................................................................................................................12-1
/ D) h, O& o3 `6 C$ V$ v( F7 {SECTION 13 Railings................................................................................................................................13-1
7 r# \$ {4 \' o) p13.1 General Information..................................................................................................................13-1
, i, h5 G/ q( P2 C. k8 DSECTION 14 Joints and Bearings...............................................................................................................14-1
5 z! B) F" |" w* t" @14.1 General Information..................................................................................................................14-1
* M- S& U! d* z9 h& p# |" {SECTION 15 Summary..............................................................................................................................15-16 N% g/ ~7 _  r! [
SECTION 16 References............................................................................................................................16-12 {3 o+ @; K- ^* r
16.1 General Information..................................................................................................................16-1$ q- Z+ r  p4 n! _7 V
16.2 Performance.............................................................................................................................16-1
) p& _; |5 E  x7 P+ S16.3 Design Issues............................................................................................................................16-2
: |5 p+ ?/ _2 ]8 c" [) J16.4 Analysis....................................................................................................................................16-2
9 y6 I; ]2 d# ?4 D2 Q! L16.5 Approach Slabs.........................................................................................................................16-29 }) G& j2 a( N& {
16.6 Forces.......................................................................................................................................16-2% O* z8 g% u1 ~: M+ B# w
16.7 State Manual References...........................................................................................................16-3
5 P7 f8 n9 R  b) @Appendix A Design Outline.............................................................................................................................1) e. b# P) j8 a5 P3 e
Appendix B Design Example...........................................................................................................................1" Z) v( A0 e/ d" \; M$ N# H" P# e
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)
  W0 s/ G, H. Z. L integralabutmentbridges.pdf (368.95 KB, 下载次数: 11, 售价: 1 元堡币)
' f6 {$ l' e& I& c) v6 U# I; @David I. Harvey, Don W. Kennedy% b3 k) g' X( e. }% G
Associated Engineering (B.C.) Ltd., Canada6 `& ?; w) {& g& ^1 n
Gordon W. Ruffo
/ P8 o4 X6 B4 ~; |3 x+ KCarston-Aimes Construction Consultants Ltd., Canada8 D+ H7 G2 N. t4 E9 L

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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 3 N' B7 y; T+ M# A& n6 a( a
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Integral Abutment Bridges Current Practice in the United States And Canada（20 Pages）
6 e, X7 s& h1 E" u+ E6 ?; A5 A8 ` 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）
! h/ o% S, U$ o# w; r: `4 BR. J. Lock
% G( t! G' g$ aCUED/D-SOILS/TR320 (June 2002)0 Q2 B  k+ V; r/ A3 w
M.Eng. Project Report
; M. a% o4 F5 F2 V# t3 C$ }% D INTEGRAL BRIDGE ABUTMENTS.pdf (1.47 MB, 下载次数: 3, 售价: 1 元堡币)
# A( `6 f$ O9 `5 n+ L8 C1.0 INTRODUCTION ..............................................................................................42 A9 A6 F, p$ h, U4 c& V6 ?9 h
1.1 Purpose and Scope of Project .................................................................................... 5! F4 Y* w" r6 i  R! p6 b! m% I
1.2 Mode of Bridge Movement ....................................................................................... 6
: w" b- {4 k# H& G1.3 Magnitude of Deck Expansion .................................................................................. 6
# Q; d1 d  e: c( x- B+ J3 F2.0 LITERATURE REVIEW - Model Test Procedures...........................................7) W! Z& p4 f# d% c. M; A
2.1 TRL Report 146: Cyclic loading of sand behind integral bridge abutments............. 7
1 o! Z7 X- X3 l/ A9 }2.2 Integral Bridges: A fundamental approach to the time-temperature loading problem6 G% g: B6 k. h" Q4 j. F3 `
(England et al., 2000) .......................................................................................................... 11
  k( Q$ t( M3 }9 T* r3.0 EARTH PRESSURES - Experimental Results.................................................13
6 A& u* I4 n- X# d  }! X" F) n! j3.1 BA 42/96 - The Design of Integral Bridges ............................................................ 130 {" m5 y; Q. J) z2 r# Q& H
3.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments
  T6 W% K: p$ A; Q$ ]% t1 l(Springman et al. 1996) ....................................................................................................... 143 ]6 n; s2 s  c- d6 U3 C% s
3.3 Integral Bridges: A fundamental approach to the time-temperature loading problem
- f. H: R' g! U0 g(England et al., 2000) .......................................................................................................... 16
& X( r. _1 H: t3.4 Experimental and Analytical Investigations of Piles and Abutments of Integral% y1 F2 J$ y7 Z& ?4 _
Bridges (Arsoy et al., 2002) ................................................................................................ 19
- w0 U! [( f$ D% j8 h1 B- e4 d  C4.0 EARTH PRESSURES - Field Measurements ..................................................202 w5 ]. [5 l3 A$ b1 k
4.1 Field tests................................................................................................................. 20, y& d' v. s: M
4.2 Testing an Integral Steel Frame Bridge: Elgaaly et al., 1992; Skew Effects on4 l8 x- y7 c0 V* @
Backfill Pressures at Integral Bridge Abutments: Sandford & Elgaaly, 1993. ................... 213 @9 M! _9 E- u1 [- j
4.3 Measurement of thermal cyclic movements on two portal frame bridges on the M1:
& F3 z7 g& P% PDarley & Alderman, 1995 ................................................................................................... 24
; E0 e4 C4 g  ]# x5 u4.4 Field Study of an Integral Backwall Bridge: Hoppe & Gomez, 1996..................... 24
9 K% U8 W, f8 B4.5 Seasonal thermal effects over three years on the shallow abutment of an integral
/ ?! ]  q% z- k, v( Bbridge in Glasgow: Darley et al., 1998................................................................................ 26
  f' E, [5 m, ]4.6 Performance of an integral Bridge over the M1-A1 Link Road at Bramham
2 G3 x8 R; _/ vCrossroads: Barker & Carder, 2001 .................................................................................... 27: G9 m' K" Q* I" \( _* {
4.7 Field Performance of Integral Abutment Bridge: Lawver et al., 2000.................... 28
: U5 N0 \% P! `, w& G4.8 Integral Bridge in West Lafayette, Indiana. Frosch, 2002....................................... 29
& [4 I9 x' l( h( s3 c4.9 Coefficients of Thermal Expansion......................................................................... 304 G6 ~$ ^  K: t& s8 M, I- Z
4.10 Influence of deck compression................................................................................ 31/ r7 l* F" r4 ]( B# F0 B) e
5.0 SETTLEMENT - Experimental Results ...........................................................33
: H7 g8 H$ W( u) W/ O5.1 BA 42/96 - The Design of Integral Bridges ............................................................ 33
5 O) \: `* S: v: f4 t! K! K5.2 TRL Report 146: Cyclic loading of sand behind integral bridge abutments1 k" S" v( n" A! i# t. N; W
(Springman et al. 1996) ....................................................................................................... 33- O- M! V( y' C, P+ O0 N, Z, ^5 s
5.3 Integral Bridges: A fundamental approach to the time-temperature loading problem; F* M1 k3 t  ], ?) L
(England et al., 2000) .......................................................................................................... 363 Y( X7 _3 z" Y9 y& p8 y
6.0 SETTLEMENT - Field Measurements.............................................................38# h4 h- o6 n( ~7 |% ^
6.1 Highways Agency Maintenance Data ..................................................................... 38. [; C6 X& k" ]' R0 D* U1 f
6.2 Field Studies ............................................................................................................ 401 F: q. L! S& V+ v$ T
6.3 Approach Slabs........................................................................................................ 42
5 Q/ ]$ N, [/ \9 U0 S$ J7.0 CONCLUSIONS...............................................................................................44
  _# u3 L3 k8 Y' k) u) J% Q7.1 Superstructure.......................................................................................................... 44
9 C% i. ]% J# F7.2 Abutment design...................................................................................................... 44
3 t  V0 Y" t: |1 `" l9 c7.3 Settlement mitigation............................................................................................... 45
3 R, B9 j/ V, U* D, j8.0 REFERENCES .................................................................................................466 S3 \% Y1 ^" Y" d: v; d
9.0 ACKNOWLEDGEMENTS..............................................................................497 u8 F$ h! P* F6 L! C- S. }
APPENDIX A Earth pressure coefficient definitions .............................................509 S2 q+ g* `) [3 e( X& _
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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 0 J* k4 }6 ]9 |' k; z
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THE 2005 – FHWA CONFERENCE 会议论文集（343Pages）6 P' f3 |6 a2 ~
Integral Abutment and Jointless Bridges
! {% [+ |. m3 L8 _% E* y(IAJB 2005) March 16 – 18, 2005: T$ P0 L) K) I9 y) e
Baltimore, Maryland- ^% u; Q0 l. T- c9 K2 R
Proceeding.part3.rar (753.87 KB, 下载次数: 3, 售价: 1 元堡币)
3 }" ?* A" f! h( v* d/ {' E2 F# v Proceeding.part2.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) + k7 s; m- S: Z* `( r1 K
Proceeding.part1.rar (2.86 MB, 下载次数: 3, 售价: 1 元堡币) . {- P( A+ q2 ]3 I# T
( y; I$ s, d' L. O  ]# ?
Session I: Current Practices with Design Guidelines and Foundation Design& Q1 J; M7 D+ j- j. T
Integral Abutment and Jointless Bridges                                                                    , n! j1 c! a  P
V. Mistry                               3# {0 N& e/ @2 b: D' L9 i" A
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Integral Abutments and Jointless Bridges (IAJB)          2004 Survey Summary          6 Z% R& V$ j" _5 j: W7 P% {$ l9 |. @
R. Maruri, S.Petro                 12
* Q" z# d+ P" [$ ]( a/ w2 Q5 V' N
* Q' x/ P9 _& eThe In-Service Behavior of Integral Abutment Bridges:  Abutment-Pile Response    : i" V6 f; ~3 ^, d# V
R. Frosch, M. Wenning, V. Chovichien 30, ]$ j+ L- H+ `( J$ d3 z' v
- U; y* r" V+ r
New York State Department of Transportation's Experience with Integral Abutment Bridges
' Y: R4 ~$ e2 M; v/ L3 lA. Yannotti, S. Alampalli, H. White        410 z9 n4 p, _. r* w
2 m3 Q! f6 ]$ A9 i, Y) A, g1 K+ o
Integral Abutment Design and Construction: The New England Experience            
5 Z4 B0 G2 G# r2 f# Z- z4 j D. Conboy, E. Stoothoff                        50
+ a+ n9 B1 K: m8 r1 E: i" a, |
" n( w3 s% v& H, w+ a0 c9 vVDOT Integral Bridge Design Guidelines                                                                  8 z8 e- `* ^, c. _
K. Weakley                                            61% p" t' M! c  C+ ~4 p2 y
% u6 ~0 X6 x' z1 W7 a/ V# W; b
Session II: Case Studies
4 R2 O+ N" e% r: C" g  HCase Study: A Jointless Structure to Replace the Belt Parkway Bridge  Over Ocean Parkway+ }* U7 ]4 ?; F7 L" ~
S. Jayakumaran, M. Bergmann, S. Ashraf, C. Norrish 73
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Case Study – Jointless Bridge Beltrami County State Aid Highway 33 Over Mississippi River in Ten Lake Township,
+ _' v- G: S# g1 n9 }" s6 ] Minnesota J. Wetmore, B. Peterson                             849 ^* Y, _. }' f+ B4 k( C/ Y5 }, e5 C

# {8 z- R' }7 x/ a; E+ sDesign and Construction of Dual 630-foot, Jointless, Three-spanContinuous Multi-girder Bridges in St. Albans, West Virginia," R6 @4 t7 o# p' ?0 ?$ k7 P# ~5 K
United States, Carrying U.S. Route 60 over the Coal River
: M8 R$ \6 B( wJ. Perkun, K. Michael                                                  97) z9 I# j, W' X$ F2 O% o

; g& V% _, G  [4 c' s, r7 o7 k0 V# d. tIntegral Abutment Bridges with FRP Decks – Case Studies
' b  y, u: g( v8 m. i7 tV. Shekar, S. Aluri, H. GangaRao                             113
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& ], \5 _) ~# T8 ZNew Mexico’s Practice and Experience in Using Continuous Spans for Jointless Bridges% |0 z& ^: M! U3 t
S. Maberry, J. Camp, J. Bowser                            125
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Integral Abutment Bridges – Iowa and Colorado Experience7 o% t6 x- H9 s4 v) y' ?
D. Liu, R. Magliola, K. Dunker                               136, ?% c/ }3 [5 k( G& z5 n! j7 _
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Moose Creek Bridge – Case Study of a prefabricated Integral Abutment Bridge in Canada
4 \1 f* G% g% [% ? I. Husain, B. Huh, J. Low, M. McCormick                 1480 L2 A8 w. N1 e% `) {8 o
Session III: Maintenance and Rehabilitation
0 w6 H7 e1 n- E% fSession IV: Construction Practices
; f* o  x( h3 n6 MAuthor Index+ C5 j, }9 r% g' m4 F

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hewenlong2... 发表于 2011-4-9 10:52:38
what‘s   this  dongdong？

点评

wilfordlee
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% E" V3 v5 |  J6 w0 C6 \. l' D

! m+ {4 p2 d/ H4 G$ W+ L/ k加钱其实只是为了防止被人随便转到其他论坛上，要不我就把级别弄高点
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joppasd123... 发表于 2011-6-7 14:03:16
本帖最后由 joppasd1230895 于 2011-6-7 14:03 编辑
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) ~$ k5 J* Z; b9 {3 Z1 h9 m这篇贴和 子菁版主的 美国道路桥梁深度考察报告' _& Y! G( k, X7 \: h, |+ U- r) H* I# e1 r

1 L$ R& c; I+ G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
' F: K4 r, g! z0 C- s7 O0 r/ K2 |有对比才有进步，取长补短。
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