Development of a socketed foundation for the Midwest Weak Post (MWP) v1.

Schmidt, Tyler L.; Rosenbaugh, Scott K.; Faller, Ronald K.; Sicking, Dean L.; Reid, John D.; Midwest Roadside Safety Facility

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Development of a socketed foundation for the Midwest Weak Post (MWP) v1.

2014-07-01
By Schmidt, Tyler L. ; Rosenbaugh, Scott K. ; Faller, Ronald K. ; ...

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English

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Creators:

Schmidt, Tyler L. ; Rosenbaugh, Scott K. ; Faller, Ronald K. ; Sicking, Dean L. ; Reid, John D.

Schmidt, Tyler L. ; Rosenbaugh, Scott K. ; Faller, Ronald K. ; Sicking, Dean L. ; Reid, John D. Less -
Corporate Creators:

Midwest Roadside Safety Facility
Corporate Contributors:

United States. Federal Highway Administration ; Nebraska. Dept. of Roads

United States. Federal Highway Administration ; Nebraska. Dept. of Roads Less -
Subject/TRT Terms:

[+]

Design Foundations Guardrails Highway Safety Impact Tests Posts
Publication/ Report Number:

TRP-03-298-14
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Midwest Roadside Safety Facility
Abstract:

A socketed foundation was designed and evaluated for use with the Midwest Weak Post (MWP), Version 1.

Dynamic component testing was conducted on five different design configurations with varying embedment

depths, steel reinforcement, and soil conditions. The low strength of the MWPs limited the force transferred into

the foundations and prevented damage in the form of concrete cracking or fracture. Additionally, the lateral

movements of the socketed foundations were all within the 1-in. (25-mm) limit established to ensure reuse of the

foundations without resetting. The selected design consisted of a 12-in. (305-mm) diameter concrete shaft

reinforced with four vertical bars and transverse hoop steel spaced at 6½ in. (165 mm) on center. A 4-in. x 3-in.

x ¼-in. (102-mm x 76-mm x 6-mm) steel tube socket was placed in the middle of the shaft. Finally, guidelines

were given for the length, or embedment depth, of the foundation based on surrounding soil conditions and risk

of frost heave.
Format:

PDF
Funding:

TPF-5(091) Supplement #2 ; TPF-5(193) Supplement #19

TPF-5(091) Supplement #2 ; TPF-5(193) Supplement #19 Less -
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:5d55c5b21882dc9c23b2cb58ea404ebd6a699645e5ae8e9a1826012dc33eef49
Download URL:

https://rosap.ntl.bts.gov/view/dot/28106/dot_28106_DS1.pdf
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Development of a socketed foundation for the Midwest Weak Post (MWP) v1.

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