Lateral resistance of ring-shank nail connections in Southern Pine lumber /

(EYM), the basis for derivation of allowable design values,

Bibliographic Details
Main Author: Theilen, Ross Dean
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(EYM), the basis for derivation of allowable design values,
A statistically significant reduction in dowel bearing
adequately account for increases in connection strength
and ungalvanized). Ring-shank nails averaged 85% higher nail
any increase in design values for ring-shank nails is
bending yield strength than the common nails for all but two
connection strength were determined for nine nail groups
current yield load definition is based on the slope of the
diameters (3.76 and 4.50 mm), and two coatings (galvanized
exhibited significantly higher lateral connection strengths
for ring-shank nails. Inputs to the EYM include nail bending
frame industry, and to evaluate the European yield model
geometry. These parameters as well as single-shear
groups. A regression model relating dowel bearing strength
implemented.
including factors extraneous to the model. Ring-shank nails
initial portion of the load-displacement curve and does not
instituted to ensure minimum steel and thread quality, before
nails. While ring-shank nail connection maximum loads were
needed which includes yielding predicted by the EYM without
nine nail groups loaded parallel-to-grain in Southern Pine.
observed yield loads. A revised yield load definition is
resulting from higher steel quality. As a result, predicted
roughly twice that of common nails for the same diameter, no
significant differences were observed for yield loads. The
standardization in ringshank nail manufacturing must be
strength and gripping action of the threads. Finally,
strength was observed for 4.50 compared to 3.76 mm diameter
tested in Southern Pine lumber. Nail specimens included
than the common nails tested as a result of increased steel
The goals of this research were to gain a better
threaded) nails in lateral connections common to the post-
three suppliers, two shank types (smooth and ringshank), two
to specific gravity was developed based on tests with the
understanding of the performance of ring-shank (annularly
yield loads based on the EYM were significantly higher than
yield strength, dowel bearing strength, and connection
Item Description:"Major subject: Agricultural Engineering".
Vita.
Physical Description:x, 106 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 58-60.