Strong joints + strong materials properly used = strong buildings

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Material Information

Title:
Strong joints + strong materials properly used = strong buildings
Series Title:
Technical note ;
Physical Description:
4 p. : ill. ; 21 cm.
Language:
English
Creator:
Scholten, John A
Forest Products Laboratory (U.S.)
Publisher:
U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory
Place of Publication:
Madison, Wis
Publication Date:

Subjects

Subjects / Keywords:
Joinery   ( lcsh )
Timber joints   ( lcsh )
Building, Wooden   ( lcsh )
Genre:
federal government publication   ( marcgt )
non-fiction   ( marcgt )

Notes

Additional Physical Form:
Also available in electronic format.
Additional Physical Form:
Also available online.
Statement of Responsibility:
by John A. Scholten.
General Note:
Cover title.
General Note:
"January 1962."

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 029720657
oclc - 61349364
Classification:
lcc - TA419 .U45 no.262
System ID:
AA00026013:00001

Full Text



TECHNICAL NOTE NUMBER 262
UNITED STATES DEPARTMENT OF AGRICULTURE FOREST SERVICE
FOREST PRODUCTS LAB
MADISON 5. WISCONSIN ur -1


At


Streog Strog Materials oStrei oTO?

Joints Properly Used Beildings


By JOHN A. SCHOLTEN, Engineer











ip








COMPARISON OF STRENGTH AND RIGIDITY OF VARIOUS TYPES OF JOINTS






RAFTER-TO-PLATE JOINTS



UPLIFT THRUST
Relative Relative Relative Relative
THRUST rigidity maximum rigidity maximurn
load load

PERCENT PERCENT PERCENT PERCENT

Six tenpenny nails. Two nails toenailed into top of plate and one into narrow edge of top plate on each wurT ide face of rafter. 100 100 100 100


Rafter teenalled to wide face of upper plate with two tenpenny nalls. One metal strap attached to each face of rafter and stud with six fourpenny nails. 50 140 60 80


Rafter toenailed to wide face of upper plate with two tenpenny nail.. Metal strap 21 inches long nailed to rafter, plate, and stud with fourpenny nails as shown. 40 110 70 70


Twenty-four-inch strap nailed to each face of notch with two tenpenny nails and to each narrow face of stud, and to interior face of each plate with fourpenny nails as shown. 25 95 30 50





STUD-TO-SILL JOINTS



UPLIFT SIDE THRUST
Relative Relative Relative Relative
rigidity maximum rigidity maximum
load load


ucuyt PERCENT PERCENT PERCENT PERCENT

Four eightpenny common nails, two SE RUST toenailed on each wide face. Nails were started 3/4 to 7/8 inch from end of stud and driven at a 30' angle with stud. 100 100 100 100



Two sixteenpenny common nails driven through 2 by 4 plate member into stud. --- 70 95 75


Stud toenailed to sill with two eightpenny nails. Metal strap attached to narrow face of stud with three eightpenny nails and one eigntpenny nail in each narrow face of sill. 240 510 70 170


Stud toenailed to sill with two eightpenny nails. Guesset attached to narrow faces of stud and sill with three eightpenny nails. 90 220 70 120





(Straps and gusset were made from 24-gage galvanized metal. Straps were I inch wide and gusset at base was 5 inches wide. All

nails were common wire nails.)

Z M 120 731




UNIVERSITY OF FLORIDA
Iill AHl il ININI Ml iu 1 ii $ni ii j1 1 1 II $ 111 11111 I $ 11 I
3 1262 09216 7344

Diagonals Add Strength











Wall section with diagonal let-in bracing is 4 times as stiff and 3-1/2 times as strong as...





















an unbraced wall section.