版權(quán)說明：本文檔由用戶提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡(jiǎn)介
FORENSIC
STRUCTURAL
ENGINEERING:INVESTIGATIONS,
CAUSES
&
REFURBISHMENT
OFCRACKINGIN
A
POST-TENSION
SLAB
BRIDGEANAIRENE
LOREA–INGENIERíA
ZERO
S.L.FORENSIC
STRUCTURALENGINEERING:
INVESTIGATIONS,
CAUSES
&REFURBISHMENT
OF
CRACKINGINAPOST-TENSIONSLABBRIDGESCENARIOCURRENT
STAT
E
OF
THE
BRIDGEOPERATING
PROCEDUREHYPOTHETICALCAUSESIDEALISATIONOFTHESTRUCTUREGEOMETRYPOST-TENSIONING
TENDONSREINFORCEMENTSMATERIALSSTAGESMODEL
ISSUESSIMULATION
ANDANALYSISGLOBALRESISTANCESERVICEABILITYLIMITSTATESREFURBISHMENTCONCLUSIONSFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESCENARIO
THEBRIDGEAGETYPOLOGY–12
years–post-tension
concrete
slab
bridgePC-45MPaMAINFEATURES
–curved
in
plan
R=70m–skewed
abutments–structural
concrete
upperspine–h.b
=1.10+0.25+1.05
=
2.40m–L.c=
48.0m–L.a
=37.5m‰
slenderness=L/20‰
apparent
slend.
=L/37FSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESCENARIO
CURRENT
STAT
EOFTHEBRIDGEEXCESIVE
CRACKING
-overpasses
crack
width
limit–bottom
footpath-
abt.2–bottom
deck-
abt.2abt.2footpathdeckFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESCENARIO
CURRENT
STAT
EOFTHEBRIDGE–upperspine
-topface–upperspine
–sideface
abt.2FSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESCENARIO
CURRENT
STAT
EOFTHEBRIDGE–upperspine
-sideface
abt.1FSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOPERATING
PROCEDUREHYPOTHETICAL
CAUSESIDEALISATIONSIMULATIONREFURBISHMENTREPAIRANALYSISFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOPERATING
PROCEDURE-HYPOTHETICAL
CAUSESEARLY
THERMALCRACKcrack
inducer.REINFORCEMENTDIRECTIONnot
orthogonal.CONCRETED
INAUGUSTWITH40
DEGREESdecreaseof
concrete
resistance
(fck
andfct).THESPINEWAS
CONCRETED
INTWO
STAGESconstruction
joint,
partlybonded
usinganepoxyresin.THEFOOTPATH
WAS
EXECUTEDWITH0.50MTHICK
PAVEMENTnot
prescribed
in
the
project.FSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOPERATING
PROCEDURE-IDEALISATION
OF
THESTRUCTURE
-GEOMETRYBIM
MODELFEMMODELFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
-POST-TENSIONING
TENDONSBIM
MODEL32tendons
24strandsFEMMODELFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
-REINFORCEMENTSBIM
MODELFEMMODELEmbebedreinforcementFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
-REINFORCEMENTSFEMMODEL
DETAILSFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
–MATERIALSCONSTITUTIVE
LAWSCONCRETE
‰
TOTA
LSTRAINCRACK
MODEL.
ROTATED.Noinformation
but
the
onesin
theconstruction
project.Mean
values(MC-2010).CompressivebehaviourThorenfeldt
curveTensile
behaviourHordijk
curvef.cm.t00=
63.70MPaFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
–MATERIALSCONSTITUTIVE
LAWSNONLINEARTENSION
SOFTENINGPlain
concreteFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
–MATERIALSCONSTITUTIVE
LAWSSTEEL‰
ISOTROPICPLASTICITY.
STRAINHARDENING.B500S
Reinforcing
SteelY1860SPost-tensioning
SteelReinforcementCarbon
FiberBarCarbon
Fibertendon
CONFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
-STAGES1stSELFWEIGHT
+POST-TENSIONING
FORCES+BEARING
ANCHORAGE2nd3rd4th5th6th7thDEAD
LOADS:
FOOTPATHS
ANDROADWAYFOOTPATHS
DEAD
LOAD
REMOVALSUPPORTOFFOOTPATHS
SLABONABUTMENTSRESTITUTION
OFNEWFOOTPATHS
PAVEMENTUNIFORM
TRAFFIC
LOADGLOBALRESISTANCE-UNIFORM
TRAFFIC
LOADFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
–MODEL
ISSUESREINFORCEMENTLAP
ANDANCHORAGEPerfect
bond
of
reinforcement.Avoid
duplicity
of
laped
bars.Other
possibilityuseof
bond-slip
by
interfaces
butnotpractical
for
many
bars
(3600embebed
reinforcements).FSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEOP-
IDEALISATIONOF
THE
STRUCTURE
–MODEL
ISSUESTRANSVERSEBEAMAT
SUPPORTSLinearelastic
behaviourof
material.Avoid
local
failure
for
the
introduction
oftendon
forces
atanchorages.FSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEGLOBALRESISTANCE
FACTOR
METHOD
MODEL
CODE
20107th
STEPGLOBALRESISTANCE-UNIFORM
TRAFFIC
LOADFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEGLOBAL
STABILITY
-VERTICALDEFORMATION
dz
(m)STAGE
1ST
-8THGLBUNIFORM
TRAFFICLOADROADWAY
–
WITHOUTNEWREINFORCEMENT
5xTRLOADDZ(M)v.s.
STEPS0.00E+00050100150200250300350400-5.00E-02-1.00E-01-1.50E-01-2.00E-01-2.50E-01-3.00E-01-3.50E-01-4.00E-01-4.50E-01-5.00E-01A10-WORFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEVERTICALDEFORMATION
dz
(m)STAGE
1ST
-
8THGLBUNIFORMTRAFFIC
LOADROADWAY
–
WITHOUTNEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCECOMPRESSIVESTRESS
STAGE
1ST
-8THGLBUNIFORM
TRAFFICLOADROADWAY
–
WITHOUTNEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCECOMPRESSIVESTRESS
STAGE
1ST
-8THGLBUNIFORM
TRAFFICLOADROADWAY
–
WITHOUTNEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEPLASTICSTRAIN
STAGE
1ST
-
8THGLBUNIFORMTRAFFIC
LOADROADWAY
–
WITHOUTNEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEPLASTICSTRAIN
STAGE
1ST
-
8THGLBUNIFORMTRAFFIC
LOADFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEGLOBAL
VERTICALDEFORMATION
dz
(m)
STAGE
1ST
-
8THGLBUNIF.
TRAFFIC
LOADEXTERIORFOOTPATH
LOADED
–WITHOUT
NEWREINFORCEMENTDZ(M)v.s.
STEPSEXTPAT
H0.00E+00020406080100120-1.00E-02-2.00E-02-3.00E-02-4.00E-02-5.00E-02-6.00E-02-7.00E-02-8.00E-02-9.00E-02-1.00E-01A10-WORFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEREINFORCEMENTPLASTICSTRAIN
STAGE
1ST
-8THGLBUNIFORMTRAFFIC
LOADEXTERIORFOOTPATH
–
WITHOUTNEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCECRACK
WIDTH
STAGE
1ST
-8THGLBUNIFORM
TRAFFICLOADEXTERIORFOOTPATH
–
WITHOUTNEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEVERTICALDEFORMATION
dz
(m)
STAGE
1ST
-8THGLBUNIFORMTRAFFIC
LOADINNERFOOTPATH
LOADED
–WITHOUT
NEWREINFORCEMENTDZ(M)v.s.
STEPSINNER
PAT
H0.00E+00020406080100120-1.00E-02-2.00E-02-3.00E-02-4.00E-02-5.00E-02-6.00E-02-7.00E-02-8.00E-02A10-WORFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCEREINFORCEMENTSTRESS
STAGE
1ST
-8THGLBUNIFORMTRAFFIC
LOADINNERFOOTPATH
–WITHOUT
NEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
GLOBAL
RESISTANCECRACK
WIDTH
STAGE
1ST
-8THGLBUNIFORM
TRAFFICLOADINNERFOOTPATH
–WITHOUT
NEWREINFORCEMENTFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
SERVICEABILITYWITHOUT
NEWREINFORCEMENT–
BOTTOM–CRACK
PATTERN
-fctmind.kupFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
SERVICEABILITYWITHOUT
NEWREINFORCEMENT–
TOP
–CRACK
PATTERN
-fctmind.kupFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
SERVICEABILITYWITHOUT
NEWREINFORCEMENT–
TOP
–CRACK
PATTERN
-fctmind.kupFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGESIMULATION
ANDANALYSIS
SERVICEABILITYREINFORCEMENTSTRESSESFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEREFURBISHMENT
ANDREPAIR
–PROPOSALCARBON
REINFORCEMENTSFEM
SIMULATIONOTHERANALYTICAL
STUDIESTOP
FACE
–RADIAL
DIRECTIONBOTTOM
DECKFACE
–RADIAL
DIRECTIONVERTICAL
THROUGH
THESPINEBIM
MODELFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEREFURBISHMENT
ANDREPAIR
–PROPOSALCARBON
REINFORCEMENTSFRPFIBER
REINFORCED
POLYMERBARS
/TENDONS
BOUND
INANEPOXI
MATRIXSTAGES1st
SELFWEIGHT
+PTFORCES
+ANCHORAGE2nd
DEADLOADS:FOOTPATHS
ANDROADWAY3rd
FOOTPATHS
DEADLOAD
REMOVAL4thSUPPORT
OFFOOTPATHS
SLABON
ABUTMENTSCARBON
REINFORCEMENTS5th
RESTITUTION
OF
NEW
FOOTPATHS
PAVEMENT6th
UNIFORM
TRAFFIC
LOADFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEREFURBISHMENT
ANDREPAIR
–PROPOSALBIM
MODELFEMMODELFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEREFURBISHMENT
ANDREPAIR
–PROPOSALCARBONREINFORCEMENTSTRESSESFSEINVESTIGATIONS,
CAUSES&REFURBISHMENTOFCRACKINGIN
APOST-TENSIONSLABBRIDGEREFURBISHMENT
ANDREPAIR
–PROPOSALCARBONREINFORCEMENTSTRESSESFSEINVESTIGATIO
溫馨提示
- 1. 本站所有資源如無特殊說明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽，若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲(chǔ)空間，僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理，對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請(qǐng)與我們聯(lián)系，我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。
最新文檔
- 2025年曝氣轉(zhuǎn)刷合作協(xié)議書
- 人教版八年級(jí)地理上冊(cè)聽課評(píng)課記錄《工業(yè)》
- 聽七年級(jí)英語評(píng)課記錄
- 人教版地理七年級(jí)下冊(cè)6.1《位置和范圍》（第1課時(shí)）聽課評(píng)課記錄
- 招送水工合同（2篇）
- 犬舍加盟合同（2篇）
- 五年級(jí)數(shù)學(xué)下冊(cè)蘇教版第四單元第7課《分?jǐn)?shù)與小數(shù)互化》聽評(píng)課記錄
- 岳麓版歷史七年級(jí)下冊(cè)第24課《從貞觀之治到開元盛世》聽課評(píng)課記錄1
- 人民版道德與法治九年級(jí)上冊(cè)8.1《森林的砍伐 空氣污染》聽課評(píng)課記錄
- 湘教版數(shù)學(xué)七年級(jí)下冊(cè)《2.1.1同底冪的乘法》聽評(píng)課記錄
- Starter Unit 1 Hello！說課稿2024-2025學(xué)年人教版英語七年級(jí)上冊(cè)
- 2025年初中語文：春晚觀后感三篇
- Unit 7 第3課時(shí) Section A (Grammar Focus -4c)(導(dǎo)學(xué)案)-【上好課】2022-2023學(xué)年八年級(jí)英語下冊(cè)同步備課系列（人教新目標(biāo)Go For It!）
- 2025年上半年長(zhǎng)沙市公安局招考警務(wù)輔助人員（500名）易考易錯(cuò)模擬試題（共500題）試卷后附參考答案
- 《教育強(qiáng)國(guó)建設(shè)規(guī)劃綱要（2024-2035年）》解讀講座
- 2025河北邯鄲世紀(jì)建設(shè)投資集團(tuán)招聘專業(yè)技術(shù)人才30人高頻重點(diǎn)提升（共500題）附帶答案詳解
- 慈溪高一期末數(shù)學(xué)試卷
- 《基于新課程標(biāo)準(zhǔn)的初中數(shù)學(xué)課堂教學(xué)評(píng)價(jià)研究》
- 省級(jí)產(chǎn)業(yè)園區(qū)基礎(chǔ)設(shè)施項(xiàng)目可行性研究報(bào)告
- 2025年中國(guó)東方航空招聘筆試參考題庫含答案解析
- 《微生物燃料電池MF》課件
評(píng)論
0/150
提交評(píng)論