ASTM E455 PDF

AT 2′ 0″ & 3′ 0″ PANEL SPANS. IN ACCORDANCE WITH ASTM E AND AISI S TESTED FOR: Central States Manufacturing, Inc. Find the most up-to-date version of ASTM E at Engineering Designation: E – 04Standard Test Method for Static Load Testing of Framed Floor or Roof Diaphragm Constructions for Buil.

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Regardless of configuration, observed diaphragm behaviors are fundamentally consistent. ACR1 Page 4 of 4. Nearly all I-joist diaphragms have been tested with dimensions of 24 ft. This absolute differential arguably falls below the reasonable precision of the full scale test method and highlights that the absolute magnitudes of deformation should be considered when interpreting the accuracy of a predictive model.

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In general, the manufacturers have proven equivalence to a subset of the current diaphragm design tables for sawn lumber. In aetm, the proprietary fastener performed about the same as the smaller diameter ring shank nail.

AC14-0611-R1 #4 – ICC-ES

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.

As a result, I-joist diaphragm performance is enhanced to a point by using more smaller, ductile fasteners than fewer bigger fasteners.

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As the voice of the U. All of the tests summarized in this table used I-joist framing with laminated veneer lumber LVL flanges.

ACR1 #4 – ICC-ES

You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Given that many of the potential diaphragm failure modes that limit capacity are not typically addressed by a connection analysis, the importance of test-based verification for diaphragm systems that depart significantly from the historical basis seems to be confirmed.

Any IBC Table Performance Trends The compiled database of full-scale I-joist diaphragm tests provides an opportunity to draw com12 parisons between similar test sets. One of the benefits of testing diaphragms with a 1: Summer International Code Council. A primary function of a light-frame floor or roof is to serve as a diaphragm that collects lateral load and transfers it to the shear walls and foundation.

For this example, observed performance reasonably approximated modeled deformation predictions based on the tested Case 5 configuration. Synopsis — What do we know about the fundamentals of testing wood-frame diaphragms?

Documents Flashcards Grammar checker. For example, avoid using spruce-pine-fir blocking if Douglas-fir diaphragm design values are targeted. Your Alert Profile lists the documents that will be monitored. We have no amendments or corrections for this standard.

If round-robin testing is to be conducted, test apparatus and testing procedures shall be mutually agreed upon in advance by the participants. However, the performance of an I-joist diaphragm assembly will be dependent on the specific I-joist product used and its relevant attributes i.

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Their revisions to the AC14 organization should be implemented. The suggested revisions below recognize the critical variables that are specific to a full-scale diaphragm test and complement existing evaluation procedures. Initially, diaphragms deform elastically as a deep beam without perceptible relative movement between framing and sheathing.

Research and Testing – Central States Mfg, Inc.

Anatomy and Physiology of Speech. National Design Specification for Wood Construction. If the document is revised or amended, you will be notified by email. At loads in excess of design loads, visible Summer relative movement can be observed between adjacent sheathing panels and between panels and framing. A revision to the AC should specifically state that the results of diaphragm tests are applicable to floor and roof diaphragms.

Consider, for qstm, a situation where four diaphragm tests are conducted without replication: Page 2 May 20, 3 Add 2. However, as with the benchmark sawn lumber tests, the dominant failure modes observed with I-joist diaphragms were tension perpendicular-to-grain fracture of the framing and sheathing nail withdrawal. Typical diaphragm test configuration 24 x 24 ft.