Find a contractor Buyer's guide Partner with us
MCAA Logo
Log in Sign up Join Hi, there Account
2026 Midyear Registration is OPEN
Find a contractor Buyer's guide Partner
Log in Sign up Join Account

Ebelhar named 2015 Chairman of the ASTM International Board of Directors

Words: Barbara AmbachRonald J. Ebelhar, P.E., D.GE, senior principal with Terracon in Cincinnati, Ohio, has been named chairman of the 2015 ASTM International board of directors.

After earning his bachelor’s and master’s degrees in civil engineering from the University of Kentucky in Lexington, Ebelhar joined McClelland Engineers in Houston, Texas, as a staff engineer in 1977, working in various roles in the geotechnical laboratory, information technology and marine geosciences groups. From 1987 to 1996, he served as division manager and then as vice president for Rust Environment & Infrastructure (and its predecessors, S&ME, Westinghouse and SEC Donohue) in Cincinnati, Ohio, before taking the position of vice president with H.C. Nutting in 1996. He assumed his current role when Terracon purchased H.C. Nutting in 2007.

As a project manager for geotechnical and environmental engineering projects worldwide, Ebelhar has provided design, consulting and forensic engineering services for commercial, industrial, transportation, waste disposal and public utility projects; geotechnical engineering design and construction, including site soil response under seismic, cyclic and dynamic loading; and marine geosciences and engineering field explorations. He is a registered professional engineer in eight states.

Ebelhar, who joined ASTM in 1980, is a past chairman of ASTM Committee D18 on Soil and Rock and several D18 subcommittees. An ASTM fellow and 2003 Award of Merit recipient, Ebelhar has received several awards from D18, including the R.S. Ladd Standards Development Award; the Woodland G. Shockley Award; the A. Ivan Johnson Outstanding Achievement Award; two Special Service Awards; and the Committee D18 Technical Editor’s Award for STP 1213, Dynamic Geotechnical Testing II. He also received a Service Award from the ASTM Committee on Technical Committee Operations, on which he served a two-year term. Ebelhar has served on the ASTM board of directors since 2010.

In addition to his ASTM work, Ebelhar is a fellow and member of the American Society of Civil Engineers and a Diplomate, Geotechnical Engineering, in the Academy of Geo-Professionals.
 0
Restoring Structural Integrity: Reinforcement in Masonry Buildings
August 2026

Masonry, as most of us in the trade know and appreciate, remains one of the most durable and time-tested structural systems in the built environment. Structures built throughout Europe and other parts of the world demonstrate that a masonry building is mo

Kate Vienna
Technical Talks
Brick Historic Restoration Repair & Restoration Restoration
Read More
Designing High-Performance Masonry Envelopes: Selecting the Right Air Barrier System
August 2026

Aric Hutchinson
Technical Talks
Air Barriers
Read More
Beyond the Block: Aesthetic Innovations in CMU Construction
August 2026

Concrete masonry units (CMUs) have long been a mainstay of construction. They are well known as a “tried and true” material with a long history of high-strength structural performance, affordability, ease of assembly, and a long lifecycle. CMU constructio

Peter Roberts
Technical Talks
Block
Read More
The Most Overlooked Profit Center on Your Job Site
August 2026

The real cost of equipment ownership isn't what you pay on day one. It's what happens over the years that follow. The purchase price of a new mortar mixer, grout pump, material handling system, or masonry saw is only part of the investment. What happens

Steve Wheeler
MAP Partner
Read More