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Evolution of Computer-Based HDM Models: An Overview of HDM-4 Software Development

Discover the evolution of HDM models from mainframe to PC, including HDM-4 capabilities. Evaluate NPV, IRR, and more with HDM-4 software. Gain insights into road transport appraisal, traffic congestion effects, and highway management.

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Evolution of Computer-Based HDM Models: An Overview of HDM-4 Software Development

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  1. Overview of Development of Computer-Based HDM Models and Development of HDM-4 Software Siriphan

  2. Manual Calculation ? + - * / % $ NPV IRR NPV/C ? $ !!! ? ? Siriphan

  3. EXCEL-- Spread Sheet Siriphan

  4. User Friendly -- HDM-4 Siriphan

  5. Objectives • To Provide Overview of Past Development of HDM Models • To Enhance the Knowledge Base of HDM Capabilities:- • Basic Capabilities: previous HDM • Advanced Capabilities: HDM-4 Siriphan

  6. Development of HDM Models -- on Mainframe • HDM (1979): Highway Design and Maintenance Standards Model • HDM-III (1987): HDM version III Siriphan

  7. Development of HDM Models -- on PC • HDM-PC (1989): A Micro Computer Version of HDM-III • HDM-Q (1994): Incorp. Traffic Congestion Effect • HDM Manager (1994): Providing a Menu-Driven Front End Siriphan

  8. HDM-4 Highway Development and Management Tool (since 1995) Siriphan

  9. Basic Capabilities of HDM Models • Road Transport Appriasal/ Investment Model, ie., NPV, IRR, B/C • Road Work Costs • Vehicle Operating Costs • Road Deterioration Model Siriphan

  10. Additional Capabilities to HDM-4 • Traffic Congestion Effects • Cold Climate Effects • A Wider Ranger of Pavement Types and Structures • Road Safety • Environment Effects Siriphan

  11. Summary • Why do we need to develop the computer-based HDM models? • What can previous HDM Appraisal Models perform? • What can HDM-4 Management Tool carry out? • What is the HDM-4? Siriphan

  12. Conclusion HDM-4 Application Software: • better capabilities on modellings techniques • better represented highway costs and deterioration models. Next Session: • more powerful analytical framework Siriphan

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