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ASTM Selected Technical Papers
Symposium on Structural Sandwich Construction
By
Committee C-19>
Committee C-19>
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ISBN-10:
0-8031-6070-4
ISBN:
978-0-8031-6070-5
No. of Pages:
120
Publisher:
ASTM International
Publication date:
1952

A brief survey is made of a selected group of problems concerned with the elastic behavior of sandwich construction. These include the wrinkling of the facings under compressive load and the effect of shear deformation in the core on the deflection of uniformly loaded panels and on the buckling loads of panels subjected to edgewise compression or shear. In most of the investigations made at the Forest Products Laboratory in cooperation with the Air Force-Navy-Civil Subcommittee on Aircraft Design Criteria, the materials of the facings and core have been taken to be orthotropic. In this paper, in order to show the characteristic features of the behavior of sandwich construction in as simple form as possible, the formulas and curves are presented for constructions with isotropic facings and cores. These results are obtained directly from those for orthotropic materials. Reference is made to reports containing the corresponding more general results.

1.
Hearmon
R. F. S.
, “
The Elasticity of Wood and Plywood
,”
Forest Products Research Report
No. 7,
Dept. of Scientific and Industrial Research
. (British) (
1948
).
2.
March
H. W.
, “
Stress-strain Relations in Wood and Plywood Considered as Orthotropic Materials
,”
Forest Products Laboratory
Report No. 1503, Feb., 1944.
3.
Gough
C. S.
,
Elam
C. F.
and
de Bruyne
N. A.
,
“The Stabilization of a Thin Sheet by a Continuous Supporting Medium,” London
,
Journal
,
Royal Aeronautical Soc.
, Vol.
44
, p. 1 (
1940
).
4.
Norris
Charles B.
,
Ericksen
Wilhelm S.
,
March
H. W.
,
Smith
C. B.
, and
Boller
K. H.
, “
Wrinkling of the Facings of Sandwich Construction Subjected to Edgewise Compression
,”
Forest Products Laboratory
Report No. 1810, Nov., 1949.
5.
Williams
D.
,
Leggett
D. M. A.
, and
Hopkins
H. G.
, “
Flat Sandwich Panels under Compressive End Loads
,” Report No. A.D. 3174,
British Royal Aircraft Establishment
, June, 1941.
6.
Cox
H. L.
, “
Sandwich Construction and Core Materials III. Instability of Sandwich Struts and Beams
,” Report 9226.
Aeronautical Research Council
, Dec., 1945.
7.
Bijlaard
P. P.
, “
On the Elastic Stability of Thin Plates Supported by a Continuous Medium
,”
Proceedings
,
Netherlands Royal Academy of Science
,
Amsterdam
, Vol.
49
, p. 1189 (
1946
).
8.
Hoff
N. J.
and
Mautner
S. E.
, “
The Buckling of Sandwich Type Panels
,”
Journal Aeronautical Sciences
, Vol.
12
, p. 285 (
1945
).
9.
Wan
C. D.
, “
Face Buckling and Core Strength Requirements in Sandwich Construction
,”
Journal Aeronautical Sciences
, Vol.
14
, p. 531 (
1947
).
10.
Van der Neut
A.
, “
Die Stabilität geschichteter Streifen
,”
Netherlands National Aircraft Laboratories
, Amsterdam. Report S. 284 (
1943
).
11.
Goodier
J. N.
, “
Cylindrical Buckling of Sandwich Plates
,”
Journal of Applied Mechanics
, Vol.
13
, p. 253 (
1946
).
12.
Neuber
H.
, “
Stability Theory of Compressed Sandwich Structures
,”
Translation Report No. F-TS-964 P. E. Headquarters, Air Materiel Command
.
Wright-Patterson Air Force Base
, Dayton, Ohio.
13.
March
H. W.
and
Smith
C. B.
, “
Flexural Rigidity of a Rectangular Strip of Sandwich Construction
,”
Forest Products Laboratory
Report No. 1505, Feb., 1944. Revised, March, 1949.
14.
Donnell
L. H.
, “
The Effect of Transverse Shear Deformation on the Bending of Elastic Plates
,”
Journal Applied Mechanics
, Vol.
13
, p. A249 (
1946
).
15.
Reissner
Eric
, “
Small Bending and Stretching of Sandwich Type Shells
,”
National Advisory Committee for Aeronautics
Technical Note No. 1832
, March, 1949.
16.
Leggett
D. M. A.
and
Hopkins
H. G.
, “
Sandwich Panels and Cylinders under Compressive End Loads
,” Report No. S.M.E. 3203.
Royal Aircraft Establishment
(
1942
).
17.
Hopkins
H. G.
and
Pearson
S.
, “
The Behavior of Flat Sandwich Panels under Uniform Transverse Load
,” Report No. S.M.E. 3277.
Royal Aircraft Establishment
(
1944
).
18.
Libove
Charles
and
Batdorf
S. B.
, “
A General Small Deflection Theory for Flat Sandwich Plates
,”
National Advisory Committee for Aeronautics
Tech. Note No. 1526. April, 1948.
19.
Ericksen
Wilhelm S.
, “
Deflection under Uniform Load of Sandwich Panels Having Facings of Unequal Thickness
,”
Forest Products Laboratory Report
No. 1583-C.
12
1950
.
20.
March
H. W.
, “
Effects of Shear Deformation in the Core of a Flat Rectangular Sandwich Panel. 1. Buckling under Compressive End Load. 2. Deflection under Uniform Transverse Load
,”
Forest Products Laboratory Report
No. 1583. May, 1948.
21.
Ericksen
Wilhelm S.
and
March
H. W.
, “
Compressive Buckling of Sandwich Panels Having Facings of Unequal Thickness
,”
Forest Products Laboratory Report
No. 1583-B.
11
1950
.
22.
Reissner
Eric
, “
Finite Deflections of Sandwich Plates
,”
Journal of Aeronautical Sciences
, Vol.
15
, p. 435 (
1948
).
23.
Seide
Paul
and
Stowell
Elbridge Z.
, “
Elastic and Plastic Buckling of Simply Supported Metalite Type Sandwich Plates in Compression
,”
National Advisory Committee for Aeronautics
Tech. Note No. 1822.
02
1949
.
24.
Seide
Paul
, “
Compressive Buckling of Flat Rectangular Metalite Type Sandwich Plates with Simply Supported Loaded Edges and Clamped Unloaded Edges
,”
National Advisory Committee for Aeronautics
Tech. Note No. 1886, May, (1949).
25.
Seide
Paul
, “
Shear Instability of an Infinitely Long Simply Supported Metalite Type of Sandwich Plate
,”
National Advisory Committee for Aeronautics
Tech. Note No. 1910, July, 1949.
26.
Kuenzi
Edward W.
and
Ericksen
Wilhelm S.
, “
Shear Stability of Flat Panels of Sandwich Construction
,”
Forest Products Laboratory Report
No. 1560. Revised March, 1951.
27.
Green
A. E.
and
Hearmon
R. F. S.
, “
The Buckling of Flat Rectangular Plywood Plates
,”
Philosophical Magazine
 0031-8086 Series 7, Vol.
36
, p. 659 (
1945
).
28.
Bijlaard
P. P.
, “
On the Elastic Stability of Sandwich Plates I, II
,”
Proceedings
,
Netherlands Royal Academy of Science
,
Amsterdam
, Vol.
50
, pp. 79-87 and
Bijlaard
P. P.
, “
On the Elastic Stability of Sandwich Plates I, II
,”
Proceedings
,
Netherlands Royal Academy of Science
,
Amsterdam
, Vol.
50
, pp. 186-193 (
1947
).
29.
Plantema
F. J.
and
de Kock
A. C.
, “
The Elastic Over-all Instability of Sandwich Plates with Simply Supported Edges
,” Report S. 346.
National Luchtvaart Laboratories
, Amsterdam (
1948
).
30.
Hoff
N. J.
and
Mautner
S. E.
, “
Bending and Buckling of Sandwich Type Beams
,”
Journal Aeronautical Sciences
, Vol.
15
, p. 707 (
1948
).
31.
Bijlaard
P. P.
, “
Stability of Sandwich Plates
,”
Journal Aeronautical Science
, Vol.
16
, pp. 573-574 (
1949
).
32.
Bijlaard
P. P.
, “
Analysis of the Elastic and Plastic Stability of Sandwich Plates by the Method of Split Rigidities
,”
Institute Aeronautical Science
, Preprint No. 259 (
1950
).
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