Shivam Concrete Technology & Consultancy Pvt. Ltd. Vision & - - PowerPoint PPT Presentation

▶
shivam concrete technology consultancy pvt ltd vision
SMART_READER_LITE
LIVE PREVIEW

Shivam Concrete Technology & Consultancy Pvt. Ltd. Vision & - - PowerPoint PPT Presentation

Apr 02, 2023 517 likes •749 views

Shivam Concrete Technology & Consultancy Pvt. Ltd. Vision & Mission Vision: To be a leader in providing all possible solution in field of Enhancing Serviceability and Life for all type of structures Mission: To satisfy client by

slide-1
SLIDE 1

Shivam Concrete Technology & Consultancy Pvt. Ltd.

slide-2
SLIDE 2

Shivam Concrete Technology & Consultancy Pvt. Ltd.

2

Vision & Mission

Vision: To be a leader in providing all possible solution in field of Enhancing Serviceability and Life for all type of structures Mission:

To satisfy client by providing effective solutions through continuous innovative and faster (In – time) execution of project through strong planning AND being quality conscious

slide-3
SLIDE 3

Shivam Concrete Technology & Consultancy Pvt. Ltd.

3

Services Offered

Consultancy Testing Execution Structural Modification Strengthening & Presstresing

SCTCPL

Corrosion (Half Cell, Corrosion Rate, Carbonation, etc.)

Rehab Proposal Cost Estimation Tender Preparation Extension of Existing Structure Bearing Replacement Wrapping (Glass/Carbon) External Prestressing Jacketing PC/Epoxy grouting Epoxy/PMC mortar Railing/Expansion joint

Bridge Load Test Rating and Quality assurance Strength

(USPV, Rebound hammer, Core Test, etc.)

Condition Assessment

(cover meter, GPR, Impact

  • Echo. Etc.)
slide-4
SLIDE 4

Shivam Concrete Technology & Consultancy Pvt. Ltd.

4

Projects Completed (Rehab)

  • Bharuch – Surat Section, NH 8

Strengthening and rehabilitation of various bridges for IRB

  • Palanpur to Swaroopganj Section, NH14

Strengthening and rehabilitation of various bridges for L&T

  • East West Corriodor, Package VI

Rehabilitation of various bridges for DIC – NCC Joint Venture

  • East West Corriodor, Package V

Rehabilitation of various bridges for Jilin - Sadbhav Joint Venture

  • East West Corriodor, Package III

Rehabilitation of various minor bridges for DIC – NCC Joint Venture

  • Surat Manor Tollway project, Package I

Repair of bridges (Wanki, Bam, Mirchholi, Kha, Rayam, Mindhola, Kaveri, Kharera & Ambica) for Dodsal Private Ltd

  • Surat Manor Tollway project, Package II

Repair and rehabilitation of existing bridges for LG E&C – Patel (J/V)

slide-5
SLIDE 5

Shivam Concrete Technology & Consultancy Pvt. Ltd.

5

Projects Completed (Rehab)

  • Repair & Rehabilitation work of existing Tapi River Bridge for UP

State Bridge Corporation Ltd

  • Public Works Department Gujarat State

1. Flyover to Petrochemical from NH 8 near village Ranoli (Vadodara R&B Department) 2. Purna River Bridge (Navsari R&B Department) 3. Auranga River Bridge (Navsari R&B Department) 4. Tan River Bridge (Navsari R&B Department) 5. Zerva River Bridge (Vadodara R&B Department) 6. Aani River Bridge (Vadodara R&B Department) 7. Orsang River Bridge (Vadodara R&B Department) 8. Various aquaducts on Ukai & Damang ganga L.B.M.C 9. Special Repairs to Earthquake affected buildings (Bhuj, Ahmedabad & Bhachau) for Garrison Engineers, Indian Army

slide-6
SLIDE 6

Shivam Concrete Technology & Consultancy Pvt. Ltd.

6

Need of Repair & Rehabilitation

  • To Sustain bridge for remaining life of BOT project
  • Enabling smooth flow of traffic
  • To Reduce Total Cost of Ownership (by reducing overall maintenance

during life of BOT)

  • To Avoid Mishap
  • To Reduce Closure of Traffic movement
slide-7
SLIDE 7

Shivam Concrete Technology & Consultancy Pvt. Ltd.

7

Factors Leading to Repairs/Rehabilitation

  • Lapse during Construction of Bridge
  • Wear & Tear .i.e. effect of Aging
  • Unattended minor repair i.e. Poor Maintenance
  • Damages due to wrong selection of type of repair/rehabilitation method
  • Faulty Design
  • Damages due to excess loading
  • Damage due to Accident
slide-8
SLIDE 8

Shivam Concrete Technology & Consultancy Pvt. Ltd.

8

Factors Leading to Repairs/Rehabilitation

  • Lapse during Construction of Bridge

Damages due to insufficient expansion joint gap

slide-9
SLIDE 9

Shivam Concrete Technology & Consultancy Pvt. Ltd.

9

Factors Leading to Repairs/Rehabilitation

  • Lapse in Construction of Bridge

Damages due to wrong placement of Bearings

slide-10
SLIDE 10

Shivam Concrete Technology & Consultancy Pvt. Ltd.

10

Factors Leading to Repairs/Rehabilitation

  • Wear & Tear .i.e. effect of Aging

Damages of Old Tapi Bridge

slide-11
SLIDE 11

Shivam Concrete Technology & Consultancy Pvt. Ltd.

11

Factors Leading to Repairs/Rehabilitation

  • Wear & Tear .i.e. effect of Aging

Damages of Old Tapi Bridge

slide-12
SLIDE 12

Shivam Concrete Technology & Consultancy Pvt. Ltd.

12

Factors Leading to Repairs/Rehabilitation

  • Wear & Tear .i.e. effect of Aging

Damages of Banas Bridge

slide-13
SLIDE 13

Shivam Concrete Technology & Consultancy Pvt. Ltd.

13

Factors Leading of Repairs

  • Unattended minor repair i.e. Poor Maintenance
slide-14
SLIDE 14

Shivam Concrete Technology & Consultancy Pvt. Ltd.

14

Factors Leading to Repairs/Rehabilitation

  • Unattended minor repair i.e. Poor Maintenance
slide-15
SLIDE 15

Shivam Concrete Technology & Consultancy Pvt. Ltd.

15

Factors Leading to Repairs/Rehabilitation

  • Damages due to wrong selection of type of repair/rehabilitation
slide-16
SLIDE 16

Shivam Concrete Technology & Consultancy Pvt. Ltd.

16

Factors Leading to Repairs/Rehabilitation

  • Damages due to wrong selection of type of repair/rehabilitation
slide-17
SLIDE 17

Shivam Concrete Technology & Consultancy Pvt. Ltd.

17

How to Avoid Major Repairs/Rehabilitation

  • Taking due care during construction
  • Carrying out regular Inspection
  • Carrying out repair and rehabilitation initial stage of problem (however the

choice of repair/ rehabilitation method shall be conform with expert)

  • Testing of inventories of bridges on regular interval
  • Consulting the experts before undertaking major repairs and rehabiliation
slide-18
SLIDE 18

Shivam Concrete Technology & Consultancy Pvt. Ltd.

18

How to Avoid Major Repairs/Rehabilitation

  • Regular Inspection: It shall be carried out once a month or two months.

Following information shall be collected:

– Cracking, Spalling, honeycombing, leaching, loss of material or lamination of concrete members in superstructure, substructure and foundations – Corrosion of Reinforcement, exposure of reinforcement, corrosion in prestress cable, or structural component – Settlement, deformation or rotation, instability of structure – In-situ strength of concrete – Scouring at foundation – Condition of expansion joints, bearings

slide-19
SLIDE 19

Shivam Concrete Technology & Consultancy Pvt. Ltd.

19

How to Avoid Major Repairs/Rehabilitation

  • Testing: testing shall be carried out time to time or when there is doubt

regarding structure. Following tests are available:

– Assessing Strength of concrete: Concrete Core Cutting, Rebound Hammer, Capo – Assessing Quality of Concrete: Ultrasonic Pulse Velocity, Ground Penetrating Radar, Impact Echo, Acoustic Emission, Radiography, X – Ray – Assessing Corrosion: Half Cell Potential, Carbonation Depth, Chloride Content, PH Value, Covermeter

slide-20
SLIDE 20

Shivam Concrete Technology & Consultancy Pvt. Ltd.

20

Structural Repairs Repair Materials

Cementious grouts

Chemical Grout (Epoxy,etc.)

Fibre (Glass/Carbon) wrap

Sealants

Membranes

Corrosion Inhibitors

Protective Coatings

Repair Techniques

 Replacement of structural

components

 Pressure injection Grouting  Polymer Modified Cement

Mortar

 Concrete Overlays  Structural upgrades  Corrosion mitigation  Wrapping

slide-21
SLIDE 21

Shivam Concrete Technology & Consultancy Pvt. Ltd.

21