Effects of jackhammer weight on bridge deck preparation prior to overlay.

CTC & Associates LLC; Wisconsin. Dept. of Transportation. Research and Library Section

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Effects of jackhammer weight on bridge deck preparation prior to overlay.

2011-02-18
By CTC & Associates LLC ...

[PDF-263.74 KB]

English

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Corporate Creators:

CTC & Associates LLC ; Wisconsin. Dept. of Transportation. Research and Library Section

CTC & Associates LLC ; Wisconsin. Dept. of Transportation. Research and Library Section Less -
Subject/TRT Terms:

[+]

Bridge Decks Concrete Overlays Jackhammers, Bridge Decks, Bridge Deck Overlays, Pavement Overlays Overlays (Pavements)
Resource Type:

Tech Report
Geographical Coverage:

Wisconsin
Corporate Publisher:

Wisconsin. Dept. of Transportation. Research and Library Unit
Abstract:

We found one citation for a research project directly related to the issue of jackhammer weight: a 2002 Missouri DOT study.

Because we were unable to identify any other published research on this topic, we have included excerpts from 14

state specifications on surface preparation prior to placement of a bridge deck overlay. Of the specifications we

located related to concrete removal on bridge decks (especially prior to overlay):

Seven agencies (five states and two Canadian provinces) limit jackhammer weight to 30 to 35 pounds or

less.

Two agencies limit jackhammer weight to 45 pounds or less. In addition, one national research report (a

1992 report of the Strategic Highway Research Program) references 45 pounds as a common cutoff among

state agencies.

One agency limits jackhammer weight to 60 pounds or less.

Four agencies allow flexibility in jackhammer weight based on engineering judgment.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2616a5d1119cb3e6e632a8720b80e85791342daa1d462f1c0c96adce6b2699dd
Download URL:

https://rosap.ntl.bts.gov/view/dot/21789/dot_21789_DS1.pdf
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Effects of jackhammer weight on bridge deck preparation prior to overlay.

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