MASH TEST 3-11 EVALUATION OF MODIFIED TXDOT ROUND WOOD POST GUARDRAIL SYSTEM

Report Number(s): FHWA/TX-18/0-6968-R4

Description:

The test installation consisted of round wood posts, 8-inch deep wooden block-outs, and 12-gauge W-beam guardrail. The posts were embedded 36 inches in soil and spaced at 75 inches on center. A TxDOT Downstream Anchor Terminal was installed on each end for a total installation length of 181.25 ft. The top edge of the W-beam was 31 inches above grade. The W-beam splices were located midway between the posts.

Test Level: 3

MASH Test Number: 3-11

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Testing + Engineering Analysis

Sponsor: Texas Department of Transportation

Test Article Description

Height: 31"

Rail Type: W-Beam

Rail Thickness: 12-Gauge

Post Type: Round Wood Post

Material: Wood

Post Spacing: 6' 3"

Blockout Type: Wood

Blockout Depth: 36"

Aesthetic: No

Special Configuration: None

Report(s):

FHWATX-180-6968-R4