本帖最后由 cjcc 于 2011-4-8 23:14 编辑 5 e+ X: X' c: e+ N, u
+ M/ D7 l) Q$ V有兴趣的同学可自行下载,
# ~, 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.....................................................................................................................................................xi
1 \( 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............................................................................................1-1
7 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.....................................................................................2-1
7 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...........................................................................................................................2-3
2 Q5 ~' s3 [' U( Y: M
2.4 Hydraulic RequirementS.................................................................................................................2-5
8 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.......................................................................................................2-6
2 |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...................................................................................................................3-2
7 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.................................................................................................................................4-2
8 B! c3 x$ d j1 Z+ W" d: Y
4.4.1 Bridge End and Anchorage General Details..........................................................................4-2
6 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..............................................................................................................4-3
3 S2 @* h6 l& U+ Y; B# D/ l
4.5.1.1 Thermal Movement.......................................................................................................4-3
9 t9 d6 i2 y4 ^. ], x
4.5.1.2 Shrinkage and Creep.....................................................................................................4-4
2 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................................................................................................................4-4
0 n6 |! [" ]% \, E' Z y# v
4.5.1.6 Pile Orientation.............................................................................................................4-9
1 C4 s' X# m2 C4.5.2 Pile Design............................................................................................................................4-9
3 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..................................................................................4-11
7 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................................................................................................................10-1
4 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......................................................................................................................10-1
6 o$ Q2 m1 q0 O# \7 e2 Q6 b. d
10.2.2 Pile Cap Geometry...............................................................................................................10-2
9 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.................................................................................................................10-2
3 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....................................................................................................................10-2
0 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........................................................................10-5
1 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..................................................................................................................13-1
9 F- L2 W. O- m
SECTION 14 Joints and Bearings...............................................................................................................14-1
h) o9 g1 s8 {
14.1 General Information..................................................................................................................14-1
7 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.......................................................................................................................................16-2
6 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
( p* U& ?( r% b! z8 l