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Testing Solutions » By Material » Metals » Simple Cyclic » AC133 Rebar Coupler Test

Rebar Coupler Testing to AC133

Materials

  • Metals

Standard

  • ASTM A370

Primary Industry

  • Building & Construction
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  • Description
  • Literature

Acceptance Criteria AC133 is referenced in ACI 318-08 within both (IBC) International Building Code 2009 and (IRC) International Residential Code 2009 under the (ICC) International Code Council.

Acceptance Criteria AC133 defines the process to uniformly evaluate mechanical connector systems of steel reinforcing bars used in building and construction. As ASTM A370 is referenced within AC133 for evaluation of the reinforcing bar alone, the test piece for AC133 consists of the assembly of the coupler and two sections of steel reinforcing bar.

The advanced cyclic profile of the test is completed in four distinct stages in either extension, or stress control with beginning and endpoints of each stage based upon yield values of the rebar. The test piece is exercised in tension and compression "through-zero", and extensometry is used to accurately measure strain throughout the test.

The challenges of testing to this standard are:

  • High-capacity cyclic testing of rebar
  • Advanced test profile
  • Secure gripping of rebar
  • Accurate strain measurement

Instron Solution:

  • High capacity cyclic testing of rebar - 2000 kN capacity KPX style test system
  • Advanced test profile - Bluehill testing software with Test Profiler capability to accurately control the 4-stage test profile required by AC133
  • Secure gripping of rebar - use of Durasync Side-Acting Grips with through zero hardware is critical to successfully meeting the rigors of this high-capacity cyclic test
  • Accurate strain measurement - E-Series Strain Gauge Extensometer (W-6280-200)

Industrial Series Brochure

The trend toward high-strength, lightweight materials for the aerospace, energy, construction, and transportation industries requires materials testing systems to be durable, yet maintain precise control while generating critical test data. Software user interfaces must be easy to use, yet flexible enough to meet the increasing demands of the testing world. The Industrial Series delivers exceptional performance packaged in reliable, innovative system designs that offer superior accuracy and repeatability, improved safety, and an overall enhanced user experience.

  • Products
  • 11/7/2017
  • 2.6 MB

Industrial Series KPX Models

Industrial Series KPX Models are designed for high-capacity tension, compression, bend/flex, and shear testing. Featuring an ultra-large single test space and adjustable crosshead options, these frames deliver exceptional flexibility for a wide range of testing applications and are available in capacities ranging from 600 kN (135,000 lbf) to 3,500 kN (800,000 lbf).

  • Products
  • 1/20/2017
  • 421.5 KB

Bluehill Universal Software TestProfiler Module

The TestProfiler module in Bluehill® 3 Software contains functionality that helps design engineers perform faster, precise design validation, allowing companies to dramatically reduce the time to market for new products. Also ideal for performing component quality testing commonly used with customers testing foam and spring, and for performing proof-loading tests.

  • Products
  • 9/7/2017
  • 0.6 MB

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