integrity testing pty. ltd.€¦ · · 2015-07-22integrity testing pty. ltd. myola east...

Generic bridge repairs for bridges

Integrity Testing Pty. Ltd.Myola EastToolleen,Vic 3551PO Box 1299Bendigo CentralVic 3552Telephone (03) 5444 0782Facsimile (03) 5441 3810Email: info@integritytesting.com.au

Integrity Testing 1 www.integritytesting.com.au

info@integritytesting.com.au

Y 16 at 200 ctrs both waysbent to a "U"

Timber pile

6 Y 25 at 120 ctrs

Y 16 at 150 ctrs

300 x 300 x 12ms plate

New pile cap details

Drg. No Repairs Integrity Scale NTS.Date 02/02/2006 Testing Drawn By JSH

310UC96.8

Weld 4 No y25 Starter barsCranked 90 deg

Link Bars @ 300ctrs

Strengthening of Piers with concrete encasement

Bridge Repairs

Timber pile

Y 16 at 200 ctrs

~ 1200

R10 at 300 ctrs BW or mesh. Min cover 75mm.

Strengthening of Piers with spliceNew pile cap details

Allow fall across pile cap in direction of flow

Excavate down to firm material

Cross bracing notrequired for shortheights

River Bed

Bridge Repairs

Y 16 at 200 ctrs

~ 1200

R10 at 300 ctrs BW or mesh. Min cover 75mm.

Strengthening of PiersNew pile cap details with bed log

Existing bed log

Allow fall across pile cap in direction of flow

Existing foundation to bed log

380PFC

Type C N16Bar

R10 Linksat 300

Type C N16Bar

New Cross head SectionUpgrade with channel section

Two new 300PFCBolted through existingsection/Timber

Corble support With new steel column

~ 450mm

Two new 300PFCBolted to 310UC96.8or welded

16mm ms plate

to suit MS plate

Section 610UB101

Strengthening Cross headCorble support

Two new 300PFCBolted to timber columns or 310UC96.8or welded

to suit MS plate Section 610UB101

Strengthening Cross headCorble support

Corble support With new steel column

~ 450mm

310UB40.4Packer. or size to suit

16mm ms plate

Abutment Support

Log Girderover cut

Fix or refix shear bolt throughlog girder, deck and kerb or top/bottomkeeper timbers as shown.

Add steel bearingplate supportedby PFC section onstrengthened anglesupportOr Timber

20 mm ms platebearer over section

General Strengthening of Timber Log GirdersSupports over cut or over scarffedSpan reduction

General Strengthening of Timber Log Girders

Log Girder

Fix or refix shear bolt throughlog girder, decl and kerb or top/bottomkeeper timbers as shown.

Band timber after pinning

Extra timber

Bridge Repairs

Y 16 at 300 ctrsboth ways

Local Ground

~ 1200

Y 16 at 300 ctrs top/bottombent to a "U"

Timber pile

305 by 125 UBnearest or similar New bearing

New Abutment details

Bridge Repairs

Timber pile

New bearing beam

Extend concrete > 450 to encase existing pile

~ Site dimensionNew Abutment details

Timber pile

New bearing beam (PFC)

Extend concrete > 450 to encase existing pile

New Abutment details

Y 16 at 150 ctrs

~ Site measurement

Steel Plate

R 10 alternate link bars

Transfer bars at alternate levels of horizontal bars

Footing distribution steel 5 No. N 16 2 No N 16

Varies

N16 at 300Both ways

600600

Deepen footing

300Integrity Testing 17 www.integritytesting.com.au

Step in bysingle mesh size

Gravity gabion retaing wall

Dimension to site decking

Single N12 bar

N10 bar to suitLink bar as shown at 200 centres

SL 72 Mesh or similarcover min 50 mm

Concrete Grade 32 Mpa

Reinforcement Lay out for Bridge Deck

View A - A

View A - A * Depth to be adjusted to suit road payment

min 25

N10 Link bar as shown to suit mainbars

SL 82 Mesh or similarcover min 50 mm

Concrete Grade 32 Mpa.Trafficable strength of minimum 16 mpaat 24 hrs

Reinforcement Layout for Bridge DeckEdge detailView B-B

9000 to 12000

410UB53.7

A AB B

General DetailDrg. No Repairs Integrity Scale NTS.Date 02/02/2006 Testing Drawn By JSH

SL72 meshN16 at 300 both waystop and bottomR10 U Bar Type A

R10 Link Barsat alternate locations

16mm beamstuds (2) at 300welded to beam

SL72 meshR10 U Bar Type A

R10 Link Barsat alternate locations

16mm beamstuds (2) at 300welded to beam 410UB53.7

Edging angle

Part A - A

Part B - B

Existing Pier

25mm msbearing plate

28mmhole

10 mm ms plate20

Site measurement

Fixing BracketPropriety bracket can be used

300 x 300 x25mm ms bearing plate

2 No M25 drill anchorlock type nuts

Fixing Detail at Piers Drg. No Repairs Integrity Scale NTS.Date 02/02/2006 Testing Drawn By JSH

Bridge Repairs

Failure mode of Timber deck

Loss of support atcross beam an fixing for road plank

Either penetration or adverse rotation of tyre

Bridge Repairs

Add 2 new 65 by 250 timber pinnedthrough existing or use joist hanger/ angle bracket.Timber to extend to the full width of the deckto provide support to deck planksFor new support use 4 No 250 by 65 timberAll timber to be of structural grade and durability H5

Add extra cross beamsto reduce deck plank spanand bearing area and supportnew insert timber

Old running plank end cut back to good timberinsert new part running plank Add new cross members Pin and repin new and existing timber runners

Existing cross beam

View A- A

Pin existing running planksto new cross beams

All dimensions to suit site

Bridge Repairs

Deck Plank Replacement

1200 Add two new crossbeamscut new running plankand insert

All dimensions to suit site

B21B28

Repair to Precast units

Remove spall clean reinforcement cementatious plaster patch repair and apply coating to underside of precast unit Full Length

Grout in place 12 mm ms plateOn completion grout upFull Length

Nominal meshreimforcement

Repair to Precast units Exterior Plating

SL62 meshreimforcement

Grout in place 12 mm ms plateOn completion grout upFull Length vertical anchors at500 ctrs alternate beams

SL62 meshreimforcement

4 No R10

R10 Type D

Silicone Bead to sealcrack surface.Cracks filled a low viscosityepoxy grout Concreasive 2552or similar.grout poured in.

Drill through crack with16 mm or bigger drill at 3 app. loactionsInsert grout pipe and pour grout in startingat the lowest

Steel plate location

Seal locations below plateposition.

Removel all silcone prior to installing the ms plate.

Section Through crack

Elevation

Wedge plate against concrete face, resting on building bars

Building barThis can be either aplaced bar in a drill throuh hole or raw bolt or similar.

5 tonne chain hoist onA frame to lift plate onto building bars core or breakout concreteSimilar on outside

SiteDimension

RollerSpacer

Self compactingConcrete

Mesh ReinforcementSL 72

Concrete sock concrete encasement of existing timber piles

Geo-TextileProFab PP80 or similar

Use draw stringto seal off bottom

Concrete Mix

The manufactured concrete should be high strength, impervious and durable.The client requires a 50 Mpa/10 mm mix with 125 to 150 mm slump, Fly ash permitted and minimum shrinkage of 0.6% after 56 days.

Our proposed mix is a 80 Mpa/6 mm mix with 150 mm slump, fiber nylon reinforced concrete with shrinkage a nominal 0.2% after 56 days.

Nominal design

Cement 400 KgW/C ratio < 0.4Sand/Aggregate ratio 0.65Maximum aggregate 6 mmFiber content 2.5% volume (8 kg /m3)(Polypropylene 0.8 Gpa tensile strength Silica fume 5% of cementAdd mixture As Manufacture's recommendations

Nominal compressive strength 80 Mpa.Nominal tensile strength 6 Mpa

Wheel Spacer

Concrete sock concrete encasement of existing timber piles

Section

SL 72 MeshReinforcement

Draw line

No 10 Industrial Zip(Australian Zippers)

* -Note to be site dimensionDrg. No Repairs Integrity Scale NTS.Date 02/10/2011 Testing Drawn By JSH

integrity testing pty. ltd.€¦ · · 2015-07-22integrity testing pty. ltd. myola east...

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