ASTM D5265 Bridge Impact

Testing Standard:

ASTM D5265 Test Method for Bridge Impact Testing

Standard Number
ASTM D5265

Standard Title
Test Method for Bridge Impact Testing

Overview for ASTM D5265:

ASTM D5265 is a test method used to evaluate a longer package to withstand an impact located at its center when it is only supported at the ends. Purple Diamond Testing offers ASTM D5265 Testing as part of our packaging compliance and validation services.

Rationale for ASTM D5265:

ASTM D5265 – Test Method for Bridge Impact Testing. A bridged impact is a typical hazard a longer package may experience when shipped with other packages of mixed dimensions. The ability of the packaging to protect the inner component can be verified by simulating this impact under controlled lab conditions. This test method can be ideal when comparing different materials used in design.

According to astm.org, 

Significance and Use

4.1 Materials shipped in elongated packages are liable to damage as a result of impact near their midpoint when only the ends are supported. This type of damage can occur during the shipment of packaging of mixed dimensions. It is particularly prevalent during conveyer line transport and sortation. This test method provides a means of determining resistance to such damage.

Scope

1.1 This test method is intended to determine the capability of a long package with a narrow cross-section to resist impact near its center when the package is supported only at its ends. This test method allows the user to select from two test options: Option A employs the use of a free-fall drop tester (see Exhibit B), and Option B employs the use of simulated mechanical impact testing equipment (S.M.I.T.E.; see Exhibit A). The two optional procedures are designed to impart the same amount of kinetic energy at impact; therefore, each procedure yields equal damage-producing potential.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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

This particular ASTM Testing method allows for a choice of using a free-fall drop tester OR a simulated piece of mechanical impact testing equipment.

If a free-fall drop tester is chosen for this testing method, the package is placed on the bottom portion of the actual drop tester machine. The support blocks are placed parallel to each other. The impactor piece is then positioned on the drop table itself. There is a specific height requirement placed on the drop tester above the package being tested. The last part of the test involves the impactor being dropped on the package’s cross-section in order to produce a specific velocity for the dropped package.

The second option uses the simulated mechanical impact testing equipment apparatus. This is where the package is to be tested on the table. The support blocks of the package are to be positioned parallel to each other. The impactor part of the machine is positioned so that it will strike the package with a long edge.

Key Points:

Related Standards:

We hope you got enough information as you needed from this page about ASTM D5265. If you still have more questions, please do not hesitate to reach out to the Purple Diamond team. We are eager to help all of those who have questions regarding packaging. As always, Purple Diamond offers you the ability to either schedule an initial consultation, complimentary, OR you can book a facility tour and come on in and visit. Definitely feel free to stop in to the lab if you are close to the Lehigh Valley. The packaging and whole Purple Diamond team is here to assist you anyway that we can. The initial consultation can be either a phone call or a zoom call, whatever is more convenient for you. Reach out via the Contact Us page by either filling out the contact us form OR booking some time on the calendar below the contact form. Either way we will get back to you! Thank you so much for reading down this far and thank you for considering Purple Diamond as your dedicated testing, engineering, and design facility for all of your packaging needs. 

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A select few companies are authorized by PHMSA as an approved third-party packaging testing laboratory in accordance with Hazardous Materials Regulations, critical to ensuring safe transport of dangerous goods.

Affiliations

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