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[CCMC 10319-L] CCMC Standard compliance evaluation

From: National Research Council Canada

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Product information

Product name

MII 16

Product description

“MII 16” truss plate is manufactured from 16 gauge steel sheet that meets the minimum strength and yield requirements of ASTM A653, SS Grade 40 SQ275 and is galvanized with G90 zinc coating per ASTM A924/A924M. “MII 16” truss plate has an uncoated nominal thickness of 1.515 mm and is stamped with 0.0074 teeth per square mm. The teeth are approximately 9.5 mm in length.

Manufacturing plant

This evaluation is valid only for products produced at the following plant:

Product nameManufacturing plant
Bradford, ON, CA
MII 16Product evaluated by the CCMC

Product evaluated by the CCMC Indicates that the product from this manufacturing facility has been evaluated by the CCMC

  Technical information

This evaluation is based on demonstrated conformance with the following criteria:

Evaluation requirements
Criteria number Criteria name
CSA-O86-14Engineering Design in Wood
CSA-S347-14Method of Test for Evaluation of Truss Plates Used in Lumber Joints
Results of testing the ultimate tensile strength of the plate on the product
Ultimate tensile strength Uncoated nomincal plate thickness (mm) Mean ultimate strength (MPa) Correction factor
380 1.515 381 0.972

 

Results of testing the lateral resistance of the teeth (hydraulic press) on the product
Direction of load Lateral resistance (MPa/Plate)
Ultimate lateral resistance, nu Lateral slip resistance, ns
Load parallel to grain, plate length parallel to load 1.51 1.52
Load parallel to grain, plate length perpendicular to load 1.18 1.15
Load perpendicular to grain, plate length parallel to load 1.04 1.18
Load perpendicular to grain, plate length perpendicular to load 1.35 1.34

 

Roller press modification factors of the product
Roller diameter 610 mm (24 in.)
Roller feed speed 45.7 m/mm (150 ft/min)
Ultimate strength modification factor, Kpu 1.00
Slip modification factor, Kps 1.00

 

Results of testing the tensile strength of the plate on the product
Direction of load Unit Tensile resistance, tp
Plate length parallel to load N/mm/plate 375
Plate length perpendicular to load N/mm/plate 159

 

Results of testing the shear strength of the plate on the product
Limit states design
Angle (degree) Shear resistance, vp (N/mm/plate) Slots in plate axis
0, 180 183 ^
30T 187 //
30C 151 ^
60T 223 //
60C 110 ^
90 177 //
120T 125 ^
120C 155 //
150T 150 ^
150C 142 //

Administrative information

Use of Canadian Construction Materials Centre (CCMC) assessments

This assessment must be read in the context of the entire CCMC Registry of Product Assessments, any applicable building code or by-law requirements, and/or any other regulatory requirements (for example, the Canada Consumer Product Safety Act, the Canadian Environmental Protection Act, etc.).

It is the responsibility of the user to confirm that the assessment they are using is current and has not been withdrawn or superseded by a later version on the CCMC Registry of Product Assessments.

Disclaimer

The National Research Council of Canada (NRC) has evaluated only the characteristics of the specific product described herein. The information and opinions in this evaluation are directed to those who have the appropriate degree of experience to use and apply its contents (such as authorities having jurisdiction, design professionals and specifiers). This evaluation is valid when the product is used as part of permitted construction, respecting all conditions and limitations stated in the evaluation, and in accordance with applicable building codes and by-laws.

This evaluation is provided without representation, warranty or guarantee of any kind, expressed or implied, and the NRC provides no endorsement for any evaluated product. The NRC accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained herein or the use of any evaluated product. The NRC is not undertaking to render professional or other services on behalf of any person or entity nor to perform any duty owed by any person or entity to another person or entity.

Language

Une version française de ce document est disponible.
In the case of any discrepancy between the English and French version of this document, the English version shall prevail.

Copyright

© His Majesty the King in Right of Canada, as represented by the National Research Council of Canada, 2024

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of the CCMC.

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