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ASTM D4580-03

Historical Revision

Standard Practice for Measuring Delamination in Concrete Bridge Decks by Sounding

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1.1 This practice covers procedures for surveying concrete bridge decks by sounding to determine delaminations in the concrete. It is not intended that the procedures described herein are to be used on bridge decks that have been overlaid with bituminous mixtures. The procedures may be used on bridge decks that have been overlaid with portland cement concrete mixtures; however, areas indicated to be delaminated may have a lack of bond between the overlay and the underlying bridge deck (Note 1).

Note 1—The influence of variable field conditions such as traffic noise, vibration, moisture content of the concrete, and the like, are not completely known and additional investigation may be needed. It is generally agreed that the practice should not be used on frozen concrete.

1.2 The following three procedures are covered in this practice:

1.2.1 Procedure A, Electro-Mechanical Sounding Device—This procedure uses an electric powered tapping device, sonic receiver, and recorder mounted on a cart. The cart is pushed across the bridge deck and delaminations are recorded on the recorder.

1.2.2 Procedure B, Chain Drag—This procedure consists of dragging a chain over the bridge deck surface. The detection of delaminations is accomplished by the operator noting dull or hollow sounds. Tapping the bridge deck surface with a steel rod or hammer may be substituted for the chain drag.

1.2.3 Procedure C, Rotary Percussion—This procedure consists of rolling a dual-wheel, multi-toothed apparatus attached to an extension pole over the bridge deck surface. The percussive force caused by the tapping wheels will create either a dull or hollow sound indicating any delamination.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This practice may be used in conjunction with other methods in determining the general condition of concrete bridge decks.

This practice may be used in determining specific areas of delamination requiring repair.

SDO ASTM: ASTM International
Document Number D4580
Publication Date July 10, 2003
Language en - English
Page Count 4
Revision Level 03
Supercedes
Committee D04.32
Publish Date Document Id Type View
May 1, 2023 D4580-23 Revision
July 10, 2003 D4580-03 Revision
Jan. 10, 2002 D4580-02 Revision
July 15, 2012 D4580-03R12 Reaffirmation
Dec. 1, 2007 D4580-03R07 Reaffirmation
Jan. 10, 2002 D4580-86R97 Reaffirmation