Handbook for Bridge Inspections - TSP2

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501 Settlement of timber element • Vertical movement of the element 502 Movement of timber clement • When the element has moved from its original position 503 Defonnation of timber • Loss of original shape or geometry, i.c. element buckling, bending, etc. 504 Cracks in timber element • Includes all types of cracks 505 Fracture of timber element • A broken member of the timber element 506 Damage to timber surface • Damage to painting, impregnation etc treatment 507 Leakage/dampness of timber • Unwanted leakage through or from an element element 508 Discoloration of timber element • Discoloured surface of a timber element 509 Chipping & splintering of timber • Splintering of timber surface 510 Timber decay • Deterioration of the timber leading to softness 511 Inadequate cleaning of timber clement • All kinds of debris, sand etc. on the element 512 Missing partes) on timber element • Lack of any originally designed partes) 513 Loose connections of timber • Looseness of bolts, rivets or any other element member 514 Delamination of timber element • Separation into layers 590 Other damage to timber element • Any other damage not listed above 6 Damage typical to Deck Pavement 601 Cracks in the surfacing • All types of cracks 602 Leaks through the surfacing • Leaks through portion of the surfacing 603 Ruts in the wearing course • Channelled depressions of the surfacing following the wheel tracks 604 Unevenness of the surfacing • Corrugation etc. of the wearing course 605 Cracking/potholes of the • Crazing or irregular shaped, disintegrated surfacing areas of the surfacing 606 Blistering (toadstools) of the • Happens nomlally to the watcr proofing surfacing layer 607 Flaking of surfacing • Looseness of portiones) of the surfacing 608 Inadequate cleaning of the • Debris, sand, gravel etc. on the wearing pavement course 609 Sweating of the surfacing • When bitumen penetrates to the surface and make the wearing course slippy 690 Other damage to the surfacing • Any other damage not li sted above
7 Damage to Bearings/Joints Damage to Bearings 701 Bearings out o[position • Abnormal position of bearings 702 De<strong>for</strong>mation of bearings • Abnormal de<strong>for</strong>mation of bearings 703 Cracks & Fissures in bearings • Includes all types of cracks 704 Fracture of bearing member • A part of the bearing is broken 705 Damage to surface treatment • Damage to coatings, galvanizing etc. ofbcarings 706 Corrosion of bearings • Disintegration of steel surface through rust 707 Inadequate cleaning of • Debri s, sand, gravel etc. on the bearing shelf bearinglbearing shelf 708 Missing partes) of bearing • Part of original design missing 709 Other damage to beari ngs • Any other damage not listed here Damage to Joints 711 Abnormal movement of joint • The expansion and contraction behaviour of the joint is not in accordance with the design 712 Cracks & Fissures in joint • Includes all types of cracks 713 Fracture of joint part • Broken part(s) of the joint 714 Leakage of joint • The joint is not water tight 715 Corrosion of joint • Disintegration of steel surface through rust 716 Unevenness of joint • Height difference between the joint and the approaching deck 717 Crackinglholes in joint • Cracking only nonnally appears in asphalt joints 718 Inadequate cleaning of the • Debris, sand, gravel etc. collected in the joint joint 719 Missing part(s) oflhe joint • Part of original design mi ssing 720 Loose part(s) oflhe joint • Looseness of bo lts, cover plate or any other part oflhejoint 790 Other damage to the joint • Any other damage not listed here 8 Damage to Drainage/Approaches and Accessories Damage to tile Drain System 801 Defective drain pipes • Pipes not functioning as planned 802 Leakage o f drain pipes • Leakage oflhe drain pipe or through the joint between the pipe and the deck 803 Corrosion of drain pipes • Disintegration o f pipes through corrosion 804 Inadequate cleaning of the • Debris, sand, gravel cte. in the drain system, drain system but not blocked 805 Blockage of drain system • Does not allow water to pass 806 Missing part of drain system • Originally part missing
Page 1 and 2: Norwegian Public Roads Administrati
Page 3 and 4: Copyright Copyright © 2000-01-1 2
Page 6: Foreword Inspections of hridges are
Page 9 and 10: 5.4 Damage Eva luation 5.4.1 Primar
Page 11 and 12: 9.3.8 9.3.9 9.3. 10 9.3. 11 9.4 Sto
Page 13 and 14: 1. Inspection of Bridges Guidel ine
Page 16 and 17: 2 TERMINOLOGY Location System 2.1 T
Page 18 and 19: Hangers / ® ® 23456189 Suspension
Page 20 and 21: Figure 2. 1-9: Example of a Reflecl
Page 22 and 23: 3 Planning of Inspection Planning P
Page 24 and 25: 3.5 Inspection Resources and Safety
Page 26 and 27: 4. Inspection Tools & Access Equipm
Page 28 and 29: 4.1.3 Inspection Tools for General
Page 30 and 31: 4.1 .5 Inspection Tools for Special
Page 32 and 33: The site conditions may decide whic
Page 34 and 35: king load capacity of at least 300
Page 36 and 37: Work Diagram for Bridge Lift ,....
Page 38 and 39: When inspecting suspension bridges,
Page 40 and 41: Suspended Working Platform Also sus
Page 42 and 43: 5 Damage Evaluation Fundamentals 5.
Page 44 and 45: 207 Leakage/dampness of concrete el
Page 48 and 49: 809 Olher damage to the drain syste
Page 50 and 51: These effects are presented in orde
Page 52 and 53: The Development o f Damage It is im
Page 54 and 55: Whatever types of damage are observ
Page 56 and 57: 5.6 Cause(s) of Damage The most com
Page 58 and 59: 49 Other insufficient maintenance 5
Page 60 and 61: 6 Carrying out Inspections Ba sis o
Page 62 and 63: o Fig ure 6.1- 1: Honeycombing * Ho
Page 64 and 65: 6.2.2 Visual Checking The visual in
Page 66 and 67: Stone Elements • Serious settleme
Page 68 and 69: Parapets * Deformation due to traff
Page 70 and 71: • Damage to slope protection •
Page 72 and 73: • Cracks in timber members • Sp
Page 74 and 75: • Discoloration • Loose or lack
Page 76 and 77: load Bearing Cables • Broken stra
Page 78 and 79: * Damage to the surface treatment F
Page 80 and 81: Stone Elements Steel Elements Timbe
Page 82 and 83: 6.8 Maintenance Measures - Extent o
Page 84 and 85: 7 Surveys, Materials Tests & Instru
Page 86 and 87: All the measurements and materials
Page 88 and 89: Procedures Scope Equipment The thi
Page 90 and 91: Procedures Scope Sag is measured us
Page 92 and 93: grouting gun pushed all the way to
Page 94 and 95: 7.3.2 Measuring the Depth of Carbon
Page 96 and 97:
* The density of the concrete in re
Page 98 and 99:
Any dust should be extracted using
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Completion Surveys & Major Inspecti
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• Homogeneity of the binding agen
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Procedures In most cases it is suff
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Figure 7.3-17 E.wmpleQJRlIsl Level
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" ~ ~ ~ • E E u B ~ ~ u '" ~ 0
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Superstructure Surfaces most expose
Page 112 and 113:
The sound waves can be transmitted
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Procedures The compress ive strengt
Page 116 and 117:
Figllre 7.7-2: Thicklless ofSllrfac
Page 118 and 119:
8 Reporting the Results of Inspecti
Page 120 and 121:
After carrying out a major inspecti
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4.5 Statistical Background 4.6 Subm
Page 124 and 125:
8.5 Materials Testing As with measu
Page 126 and 127:
Drilling cores In this instance an
Page 128 and 129:
ECP-Measurements For the presentati
Page 130 and 131:
9 DAMAGE EVALU ATION CATALOGUE Th
Page 132 and 133:
9.1 ELEMENTS IN THE GROUND 101. Sub
Page 134 and 135:
102. Obstruction of Waterway 9.1 EL
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9.1 ELEMENTS IN THE GROUND 103. Sco
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9.1 ELEMENTS IN THE GROUND Original
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9.1 ELEMENTS IN THE GROUND Example
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9.1 ELEMENTS IN THE GROUND 104. Ina
Page 144:
9.1 ELEMENTS IN THE GROUND 109. Oth
Page 147 and 148:
9.2 CONCRETE ELEMENTS 201 Settlemen
Page 149 and 150:
9.2 CONCRETE ELEMENTS 202 Movement
Page 151 and 152:
9.2 CONCRETE ELEMENTS 203 Deformati
Page 153 and 154:
9.2 CONCRETE ELEMENTS Example 9.2-7
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9.2 CONCRETE ELEMENTS Serious crack
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Page 159 and 160:
Page 161 and 162:
9.2 CONCRETE ELEMENTS 205 Ruptures
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9.2 CONCRETE ELEMENTS 206 Damage to
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9.2 CONCRETE ELEMENTS 207 LeakagesJ
Page 167 and 168:
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Handbook for Bridge Inspections - TSP2

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