本帖最后由 cjcc 于 2011-4-8 23:14 编辑
0 J* B& N8 i O
( g; Z u/ f4 U% o% {有兴趣的同学可自行下载,
" J5 x+ S/ a/ l( W: a- f' pIntegral Abutment Bridge Design Guidelines(92 Pages)
' p0 [3 J1 C* G0 N' r6 x
Integral Abutment Bridge Design Guidelines.pdf
(1.59 MB, 下载次数: 78, 售价: 1 元堡币)
4 f- s+ Q3 n5 l& s+ b
TABLE OF CONTENTS
4 A5 L8 Y. P5 P+ t+ ATable of Contents...........................................................................................................................................vii
! X6 G. Y; m1 w" x) YIntroduction.....................................................................................................................................................xi
' L \1 d0 W6 ]& Q7 B9 H N; MSECTION 1 Introduction to Integral Abutment Bridges...............................................................................1-1
6 [' w, Q7 p8 D1.1 Integral Abutment Bridge................................................................................................................1-1
* b# f# I8 p" `( G. x! t
1.2 Difference from Conventional Bridges............................................................................................1-1
8 T; T) `5 S2 J1 n/ Z1.3 Document Precedence.....................................................................................................................1-1
$ K$ Z1 ?/ ~/ Y1 x0 H" K5 I; I! K1.4 Definitions......................................................................................................................................1-1
/ P; i: N/ U- h0 T7 q, d) L+ P1.5 Notation..........................................................................................................................................1-3
3 ]$ @6 a4 d0 N6 ?0 z1 J6 B8 b
SECTION 2 General Design and Location Features.....................................................................................2-1
0 w& a- J/ y- ]% C% S2.1 First Choice.....................................................................................................................................2-1
, O6 D3 ^. p! v; L: `
2.2 Structure Geometrical Criteria.........................................................................................................2-1
8 L' F1 k C# g& O" @, U' ? ~2.2.1 Criteria for the Simplified Design Method.............................................................................2-1
% H+ s0 l; P& g/ t+ \2.2.2 Detailed Design for Projects That Exceed the Criteria for Simplified Design......................2-2
2 J4 p* G* l; r: o2.2.3 Semi-Integral, Jointed and Other Structural Alternatives......................................................2-2
5 ~# B& u9 y g# b+ x2.3 Laying out the Bridge......................................................................................................................2-3
; s, r3 N k5 I3 e9 z
2.3.1 Conventional Layout..............................................................................................................2-3
% l& I4 ~" p$ r1 v$ d' y3 _: {7 a
2.3.2 Ideal Layout...........................................................................................................................2-3
' S4 N- a2 [/ m$ A3 I2.4 Hydraulic RequirementS.................................................................................................................2-5
3 \$ \. i4 y4 `' ?: v
2.4.1 Scour Considerations..............................................................................................................2-6
3 r( J2 D9 f; d0 P2.4.2 Cofferdam Requirements.......................................................................................................2-6
! u5 o) k1 o! R0 O7 P% }. |, F2.5 Geotechnical...................................................................................................................................2-6
% |+ }* d" a4 w% `$ U9 O! n8 {0 R- vSECTION 3 Loads........................................................................................................................................3-1
5 L* v% A+ @+ R4 @) G% Y% u3.1 General Information........................................................................................................................3-1
) ]9 M' W& ?# x- X/ D
3.2 Application of Loads.......................................................................................................................3-1
* I, t1 u5 m% M5 ~/ @+ A5 [, Z; F
3.2.1 Construction Stage.................................................................................................................3-1
4 y0 G8 f2 Y2 u" R- k3.2.1.1 Permanent Dead Loads on Pile Cap..............................................................................3-1
" Q, D# g; n- v% _! ?# {4 C3.2.1.2 Construction Dead and Live Loads...............................................................................3-1
. `3 `5 e0 c1 t
3.2.1.3 Permanent Dead Load on Piles.....................................................................................3-1
7 F$ b& i: X/ E+ o3 u3.2.2 Final Stage.............................................................................................................................3-1
! s9 A9 _& C/ j+ X6 c5 Y! {
3.2.2.1 Composite Permanent Dead Loads...............................................................................3-2
* ?) V8 N' h7 J& |6 M0 a3 D+ \
3.2.2.2 Live Loads....................................................................................................................3-2
' ]* i! e+ i4 \8 l" r2 k
3.2.2.3 Longitudinal Effects.....................................................................................................3-2
& ^8 f% h3 \& y% Q z5 c- b5 s' U3.2.2.4 Earth Loads...................................................................................................................3-2
+ y* i/ W+ [( A. l" O+ z
SECTION 4 Structural Analysis and Evaluation...........................................................................................4-1
# d8 I7 d+ M" U Q$ D# W
4.1 General Information........................................................................................................................4-1
. J! g% A' f* ~) E% w; M4.2 Structural Design Criteria................................................................................................................4-1
& t! y+ V* D m5 j+ T) A' G0 B Z; T4.3 Design Methodology......................................................................................................................4-1
$ b( B) r+ P7 H: C1 h) u4.3.1 Simplified Design Method.....................................................................................................4-1
* m4 F* I, P1 X0 l; t4 T
4.3.2 Detailed Design......................................................................................................................4-2
# [$ \% R! s1 U6 `# i
4.4 Superstructure.................................................................................................................................4-2
0 x# l( @8 W/ H# j0 i
4.4.1 Bridge End and Anchorage General Details..........................................................................4-2
, s7 Z. Z1 ]1 B( C. m7 G4.5 Substructure....................................................................................................................................4-3
) K2 A! i1 D L0 G1 ~# y8 F4.5.1 Abutment Movement..............................................................................................................4-3
) E) l1 a& X5 L6 ?! V( ]
4.5.1.1 Thermal Movement.......................................................................................................4-3
$ G/ [0 l, E; Y0 |* d
4.5.1.2 Shrinkage and Creep.....................................................................................................4-4
I: d1 u1 ~8 ^
. 2009 by the Structures Section, Program Development Division
2 U$ a1 q2 j* Y/ gVermont Agency of Transportation
- d; k% {* K: h# Q
viii 2008VTRANS INTEGRAL ABUTMENT DESIGN GUIDELINE
" ?- _2 L8 o* J* y# K; h. L# f+ R [4.5.1.3 Total Allowable Movement..........................................................................................4-4
4 \. g% E/ ~2 L8 V
4.5.1.4 Grade of Steel...............................................................................................................4-4
; \- \7 b" n* J' h2 C1 q3 r& h
4.5.1.5 Pile Selection................................................................................................................4-4
% D. r: O1 |0 B! V; J! f4.5.1.6 Pile Orientation.............................................................................................................4-9
9 j" l# e8 `$ _3 m8 j
4.5.2 Pile Design............................................................................................................................4-9
& Q) ]0 m& b' t3 }( t( o4.5.2.1 L-Pile Software Analysis............................................................................................4-11
9 _4 ]2 \+ f. C/ ?2 D2 v8 r
4.5.2.1.1 Lateral Load at Pile Head.......................................................................................4-11
4 Q/ C9 o5 r% A$ d$ d7 e0 r
4.5.2.1.2 Pile Deflection and Moment..................................................................................4-11
# c2 j' k5 p$ D9 R8 x# w
4.5.2.1.3 Unbraced Lengths..................................................................................................4-12
" a2 X. n, i: P, S4.5.2.1.4 Depth to Fixity.......................................................................................................4-12
`5 r0 b2 u8 k* v7 [
4.5.2.2 Combined Axial Compression and Flexure................................................................4-16
2 g" S* ~- z* L, @' W, U4.5.3 Pile Cap...............................................................................................................................4-16
& P' T% m9 V) n' p7 z4.5.4 Wingwall Design..................................................................................................................4-16
' [: W. y; N% ?. E0 g5 {! w4.6 Project Notes and Special Provisions............................................................................................4-16
, W1 ^/ j2 Y4 j9 B% \" H4.7 Load Rating..................................................................................................................................4-16
, M n2 t0 V7 H2 ^9 o
SECTION 5 Concrete Structures...................................................................................................................5-1
% e$ |9 S& u2 o4 w5.1 General Information........................................................................................................................5-1
" }9 w5 r. r' U$ m8 P5.2 Prestress Superstructure Specific Details........................................................................................5-1
% [% [. i; B2 K: D5 H5.2.1 Voided Slab and Box Beam Bridge Decks............................................................................5-1
& \" H. B( i* e! a5 k- @; Q; S/ e; e" U
5.2.2 Northeast Bulb-T (NEBT)......................................................................................................5-2
6 S# H P! c0 _' u% B: J5.2.2.1 Cast-In-Place Concrete Slab Decks..............................................................................5-4
" y b. F0 N3 A8 _! ]5.2.3 Design for Frame Action (Negative Moment) at Ends of Deck.............................................5-4
1 [( ^0 m1 ~3 m( JSECTION 6 Steel Structures........................................................................................................................6-1
+ D' N8 _2 R. j1 c4 S6 C$ p6.1 General Information........................................................................................................................6-1
. u& u4 r1 ^. G1 W$ U! W6 D
6.2 Steel Girder Specific Details...........................................................................................................6-1
1 @2 b' N: v" H2 Z0 `5 u( d+ nSECTION 7 Aluminum Structures................................................................................................................7-1
& X b6 o4 H) h8 f( c3 D
7.1 General Information........................................................................................................................7-1
3 \2 p1 {4 x. n. q- d" l
SECTION 8 Wood Structures.......................................................................................................................8-1
/ P( Y+ O. z* K& s3 X4 |8 w0 h( e* w
8.1 General Information........................................................................................................................8-1
" {1 O i- w D0 O+ aSECTION 9 Deck and Deck Systems............................................................................................................9-1
: G9 `3 h* [ E$ W. p9 P
9.1 General Information........................................................................................................................9-1
6 o7 U) `. C$ p( ]/ E+ HSECTION 10 Foundations..........................................................................................................................10-1
9 b& o/ T" E7 s8 Q: V
10.1 Initial Considerations................................................................................................................10-1
7 j' M+ ~, {) e5 p" d10.1.1 Geotechnical Exploration.....................................................................................................10-1
. I) ~7 b$ D, I# [+ t- O$ l10.1.2 Pile Design and Verification................................................................................................10-1
E' g! I* C) [% i- ]4 @
10.1.3 Required Information for Contract Documents....................................................................10-1
/ i) x! }4 g$ a10.2 Selecting a Pile for Integral Abutments....................................................................................10-1
1 g! v2 E; ^" o% H3 \10.2.1 Loads on Piles......................................................................................................................10-1
# E9 }9 j& r- L* m9 F6 H
10.2.2 Pile Cap Geometry...............................................................................................................10-2
% H/ h1 t' s3 S! A. W( t; X% L10.2.2.1 Number of Piles and Pile Spacing..............................................................................10-2
' w8 g" a" D8 w# J* C' K10.2.2.2 Pile Groups.................................................................................................................10-2
8 e, H K( d3 ] ?) f7 O- G
10.2.2.3 Pile Length Requirement............................................................................................10-2
7 `1 m. k: U" G& r10.3 Service Limit State....................................................................................................................10-2
) m; a) s3 z) x
10.4 Strength Limit State..................................................................................................................10-2
. H" g8 b' s* V. X/ ~( k/ n
10.4.1 Nominal Structural Pile Resistance (NSPR)........................................................................10-3
$ w) i2 j' m) r2 M5 p2 T
10.4.2 Nominal Axial Pile Resistance (NAPR)..............................................................................10-3
1 z: ~. m8 M7 Z; y# O: q% O1 Y
10.4.3 Downdrag and Other Losses to Geotechnical Strength.......................................................10-3
$ o/ Y5 g" C- s. V7 H& M
10.4.4 Strength Limit State Resistance Factors for Driven Piles....................................................10-3
( _1 o/ e' O0 `* s0 x6 J/ N+ _0 a. 2009 by the Structures Section, Program Development Division
" {& c6 R k; \# f3 T9 v7 E1 M
Vermont Agency of Transportation
! A5 l! J$ X6 b% l3 Y t# Q
TABLE OF CONTENTS ix
5 t f _' z. v; l10.5 Pile Driving Analysis................................................................................................................10-4
4 Z* X6 ^2 E% Q) _- R- I" x) _10.5.1 Pile Driving Concerns..........................................................................................................10-4
0 u1 Y& G2 G. {3 U, ~
10.5.2 Maximum Pile Driving Stress..............................................................................................10-4
0 I T8 L- Q+ f0 l1 q10.5.3 Nominal Pile Driving Resistance (NPDR)...........................................................................10-5
5 q! k- ^# M7 _ N
10.5.3.1 Verification of the Nominal Axial Pile Resistance (NAPR) in Compression............10-5
; ~. ~, {4 d9 l6 Z( Z; j
10.5.4 Resistance Factors for Verifying the NAPR........................................................................10-5
5 s; o* r b4 n( q
10.6 Design Steps for Piles...............................................................................................................10-6
6 m% l u, ` {1 b7 ^: B
SECTION 11 Abutment, Piers and Walls....................................................................................................11-1
. _8 }6 Z, ^4 y& u) V5 U- J11.1 General Information..................................................................................................................11-1
1 X. q( g% v- p2 e; WSECTION 12 Buried Structures and Tunnel Liners....................................................................................12-1
; u4 S6 y/ x: k+ O' y; b% z; G" e4 A y" f
12.1 General Information..................................................................................................................12-1
6 Z; w2 v3 h) @! H4 kSECTION 13 Railings................................................................................................................................13-1
6 _3 L7 T+ b1 k2 J5 l13.1 General Information..................................................................................................................13-1
" {1 l3 X) a* [3 F9 N' |
SECTION 14 Joints and Bearings...............................................................................................................14-1
1 M. r7 P6 h" ^2 W14.1 General Information..................................................................................................................14-1
& D' {' D* }% fSECTION 15 Summary..............................................................................................................................15-1
8 T5 ~$ s" Z2 s+ r T( g
SECTION 16 References............................................................................................................................16-1
2 G0 X5 j/ N/ f1 d5 Z# Y! |; L
16.1 General Information..................................................................................................................16-1
8 y' T1 ^( P: k) h% P
16.2 Performance.............................................................................................................................16-1
. J- P: Y* t4 ]( A, N' j
16.3 Design Issues............................................................................................................................16-2
) U) O% i) b- S7 ~16.4 Analysis....................................................................................................................................16-2
/ z/ \& g- ?6 M% U5 }7 o. P% U4 T16.5 Approach Slabs.........................................................................................................................16-2
! G8 r L6 w4 G5 w2 D/ `16.6 Forces.......................................................................................................................................16-2
6 g& A5 i0 y7 l1 o
16.7 State Manual References...........................................................................................................16-3
8 X9 T1 _& a, D" }( i+ e
Appendix A Design Outline.............................................................................................................................1
6 p) D6 c; `& g6 O+ E2 T' O# |
Appendix B Design Example...........................................................................................................................1
5 ]3 |; z9 O" a
Notes:..........................................................................................................................................................16-1
2 ]0 f8 ~8 B0 z! y' @9 H* N8 b6 Q
4 M; B* r2 A& z% S$ s- ~