Information on the most widely used ASTM standards within the materials testing industry
ASTM E488/E488M Standard Test Methods for Strength of Anchors in Concrete Elements
These test methods address the tensile and shear strengths of post-installed and cast-in-place anchors in test members made of cracked or uncracked concrete. Loadings include quasi-static, seismic, fatigue and shock. These test methods are intended for use with post-installed and cast-in-place anchors designed for installation perpendicular to a plane surface of a test member.
ASTM E488 covers the procedures for evaluating the tensile, shear, fatigue, shock, seismic, and static strengths of post-installed and cast-in-place anchorage systems in concrete ormasonry structural elements. These test procedures are meant to yield information that can beutilized to derive design data and standards for qualifying anchors or anchorage systems, aswell as for a specific anchorage device used in a structural member of concrete, masonry, andrelated materials. MaTestlab is one of the best testing service providers, with the best networkof testing laboratories in the UsA to carry out ASTM E488 tests for our clients. To guarantee thatthe test results are repeatable, ASTM E488 must be adhered to.
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Related stanard: ANSI Z359.18-2017: The New Anchorage Connector Standard.
(ANSI Z359.18-2017 is the Safety Requirements for Anchorage Connectors for Active Fall Protection Systems. It now specifies new anchorage connector types, improved strength testing, and updated label requirements.)
ASTM E488 Strength Testing Methods:
| Static Strength Testing: | Type A and T anchorage connectors must withstand a minimum static load of 5,000 lb. load. Type D anchorage connectors must be able to withstand a static load of 2,700 lbs. – 5,000 lbs. On all anchorage connector types, the separation between the gate and the body caused by the deformation must not exceed 1/8 inch (3mm). |
| Dynamic Strength Testing: | Type A and T anchorage connectors can not allow 282 lbs. to impact the ground when dropped from a 3 ft. free fall. Type D anchorage connectors must also prevent 282 lbs. from the striking the ground but from a 6 ft. free fall. On all anchorage connector types, the separation between the gate and the body caused by the deformation must not exceed 1/8 inch (3mm). |
| Residual Strength Testing: | Type A and T anchorage connectors must repeat the initial dynamic tests and maintain the test weight in suspension for at least 1 minute. Type D must do the same but with a reduced fall clearance of 3 ft. On all anchorage connector types, the separation between the gate and the body caused by the deformation must not exceed 1/8 inch (3mm). |
| Serviceability Load Testing: | Although not required for Type A anchorage connectors, it is required for Type T. This ensures the strength will not fail during the worker's daily force. Type T anchorage connectors must withstand the greater of twice the working load or 2,500 lbs. applied at up to 900 lbs. per minute for at least 3 minutes. Type D must have the greater of twice the working load or 450 lbs. applied gradually over at least 1 minute and maintained for at least 3 minutes. |
| Corrosion Testing: | Type A and D anchorage connectors must not show any red rust or other signs of corrosion on any components containing iron after being exposed to a 24-hour salt spray. For Type T, no more than 5 percent corrosion can be visible after being exposed to a 500-hour salt spray. |
Test Result
ASTM E488 offers thorough standards for assessing the strength of anchors in masonry andconcrete components. By specifying precise protocols for applying loads, carrying out cyclictests, and evaluating residual strength, ASTM E488 quarantees a precise and trustworthyevaluation of anchor performance.
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