Structures Functional Group

Technical Committee 8– Concrete Structures & Foundations

This committee is responsible for the development and publication of recommended practices and information relating to:

  • General specifications for all types of concrete, reinforced concrete, pre or post-tensioned concrete used in railway structures except concrete cross ties or concrete switch ties.
  • Design, construction and maintenance of railway structures, foundations and footings utilizing any form of concrete.
  • Retaining walls of any material.
  • Tunnel lining of any material.
  • Piling of any material.
  • Crib walls of any material.
  • Water proofing of any material.
  • Pier protection of any material.
  • Subsurface investigation of any material.

Chair

Jason C. Hale, PE

Asst. Director Bridge Inspector & Maintenance

BNSF Railway

Email: Jason.Hale@bnsf.com

Vice Chair

Paul B. Michiels, PE

Business Development Manager

The Reinforced Earth Company

Email: pmichiels@reinforcedearth.com

Portland, Maine Meeting – October 4 and 5, 2018
We toured the Sarah Mildred Long Lift Bridge, which spans the Piscataqua River between Portsmouth, New Hampshire, and Kittery, Maine.
Pueblo, Colorado Meeting - May 2 and 3, 2019
We met at the Transportation Technology Center, Inc. (TTCI) and toured the Facility for Accelerated Service Testing (FAST) tracks.

Subcommittees and Current Assignments

Subcommittee A: Recommendations for Further Investigation and Research.

Subcommittee B: Revision of Manual.

Subcommittee 1: Design of Concrete Structures, collaborating as necessary with Committees 1, 5, 6, 7, 9, 15 and 28. This Subcommittee is responsible for the material in Parts 2, 16, 17, 19, 26 and 27 of Chapter 8 of the AREMA Manual for Railway Engineering.

C1-2: Review and update Part 2 - Reinforced Concrete Design and associated Commentary. Ongoing assignment.

A2-1-19: Address the longitudinal deflection in Part 2

D1-1-11: Address design of deep beam requirements, torsion requirements, strut and tie modeling and anchoring dowels into concrete to be included in Part 2. Ongoing assignment.

Task Force – Review of Impact Equation for Pier Cap

C1-16: Review and update Part 16 - Design and Construction of Reinforced Concrete Box Culverts and associated Commentary. Ongoing assignment.

A2-1-12: Review and update Part 16 with the last date revised and last date reaffirmed . Ongoing assignment.

A16-1-02: Reaffirm & update Part 17. Ongoing assignment.

C1-17: Review and update Part 17 – Prestressed Concrete and associated Commentary. Ongoing assignment.

C1-19: Review and update Part 19 – Rating of Existing Concrete Bridges and associated Commentary. Ongoing assignment.

C1-26: Review and update Part 2 - Recommendations for the Design of Segmental Bridges. Ongoing assignment.

 A26-1-07: Update Part 26 - Segmental Bridge Construction. Ongoing assignment.

C1-27: Review and update Part 27 – Concrete Slab Track and associated Commentary. Ongoing assignment.

D1-1-15: Direct Fixation Manual Material. Ongoing assignment.

Subcommittee 2: Design of Foundations and Retaining Structures, collaborating as necessary with Committees 1, 5, 6, 7, 9, 15 and 34. This Subcommittee is responsible for the material in Parts 3, 4, 5, 6, 7, 10, 12, 20, 22, 24 and 25 of Chapter 8 of the AREMA Manual for Railway Engineering.

C2-22: Revise and update Part 22 - Geotechnical Subsurface Investigation. Ongoing assignment.

C2-20: (previously C2-3-13): Review and update Part 20 - Flexible Sheet Pile Bulkheads. This assignment will be combined with review and update of Part 28 - Temporary Structures for Construction (in conjunction with SC-4) and be developed into new Part 20 - Earth Retention Systems. Rework Parts 5, 6 and 7 with the following eight subparts: Earth Retention Structure Selection, Soil and Rock Properties, Computation of Applied Forces, Abutments and Conventional Retaining Walls, Non- Gravity Cantilevered Walls, Anchored Walls, MSE Walls and Deflection Criteria and Tolerances. Ongoing assignment through 2020. 

Subcommittee 3: Durability of Concrete and Waterproofing, collaborating as necessary with Committees 1, 6, 7, 9 and 15. This Subcommittee is responsible for the material in Parts 1 and 29 of Chapter 8 of the AREMA Manual for Railway Engineering.

C3-1: (previously C3-1-1): Review and update of Part 1 - Materials, Tests and Construction Requirements and associated Commentary. LB 08-17-08.

C3-29: (previously C3-2-10): Review and update of Part 29 - Waterproofing and associated Commentary and add section on ballast mats. Ongoing assignment.

D3-1-19: Develop Section 1.25.8 – Lightweight Concrete. Ongoing assignment.

D3-2-19: Develop Section 1.25.9 – Mass Concrete

Subcommittee 4: Repair, Restoration, and Strengthening of Concrete Structures. This Subcommittee is responsible for the material in Parts 11, 14, 21, 23 and 28 of Chapter 8 of the AREMA Manual for Railway Engineering.

C4-28: Continuing Assignment Part 28, Temporary Structures for Construction. Review of Part 28, and Comparison of Parts 28 and 20. Review for discrepancies between these two Parts (in conjunction with SC-2, assignment C2-20).

C4-23: Continuing Assignment Part 23, Pier Protection Systems at Spans over Navigable Streams. Review revisions supplied by Subcommittee 1.

D4-21: Comparison of Parts 14 and 21 with Work Provided by Committee 10 (including Committee 42).

C4-23-18: Scour Protection for Maintenance of Concrete Structures. Review of Parts 5 and 14, and Chapters 1 and 10 to ascertain what information has already been provided on scour protection, and what remains to be added to Part 14 on the subject.

C4-1-19: Review of ACI 546.2R-10 Guide to Underwater Repair of Concrete

C4-x-19: Review of Chapter 8 References for Replacement with Newer Versions.