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Structural bolts

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Published: 01 January 2005
that collapsed; other sections were painted with several thick layers of paint that obscured the bolted connections. A later independent inspection showed that several of the bolted areas were without the through-structure bolt. The thick layers of paint did not improve the inherent weakness of the structure More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
... riveted joints mechanically fastened joints pin joints stress-intensity factor MECHANICALLY FASTENED structural joints (such as riveted joints and high-strength bolted joints) are used in many fatigue critical applications, and a considerable amount of fatigue testing of mechanically fastened...
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Published: 01 January 2005
Fig. 8 Suggested spacing limits for joints in bolted weathering steel structures More
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Published: 01 January 2001
Fig. 33 Influence of bolted joint design on structural efficiency of carbon/epoxy composite structures More
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Published: 01 January 2001
Fig. 36 Gross-section design stresses for bolted composite structures (carbon/epoxy laminates). Chart applicable for bolts up to 9.5 mm (37 in.) in diameter. Larger bolts are associated with progressively lower laminate stresses. More
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Published: 01 January 2001
Fig. 40 Example of design guidelines for bolted carbon/epoxy structures More
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Published: 01 January 2001
Fig. 10 Design strain levels for bolted graphite/epoxy structures More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003376
EISBN: 978-1-62708-195-5
... analysis is the next level beyond laminate analysis. It addresses loadings and geometries that occur when the composite laminates are used in functional structure. The structural analysis topics discussed in this Volume include: Bolted and bonded joints Stability Damage tolerance Out...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003427
EISBN: 978-1-62708-195-5
... ultra-high strength was required for the fastener to function. Today, multiphase bolts are being considered to replace alloy 718 where loads are increasing due to growth of some aircraft models. However, in composite structure, it takes a very thick structure to warrant the high shear strength ( F su...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003455
EISBN: 978-1-62708-195-5
... Abstract This article discusses the requirements for designing repairable composite structures such as a honeycomb sandwich panel construction and integrally stiffened co-cured composite structures. It reviews the general and specific design guidelines for bolted or riveted repairs...
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Published: 01 January 2002
Fig. 4 Schematic showing the springlike effect of loading conditions on bolted joints. (a) Theoretical load condition for an elastic fastener and a rigid structure. (b) Ideal relationship of bolt load to working load with an elastic fastener and a rigid structure. (c) Actual relationship (both More
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Published: 30 August 2021
Fig. 3 Schematic showing the springlike effect of loading conditions on bolted joints. (a) Theoretical load condition for an elastic fastener and a rigid structure. (b) Ideal relationship of bolt load to working load with an elastic fastener and a rigid structure. (c) Actual relationship (both More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003384
EISBN: 978-1-62708-195-5
... stronger multirow joints bolted joints bonded joints stepped-lap joints stress concentration factor THE STRUCTURAL EFFICIENCY of a composite structure is established, with very few exceptions, by its joints, not by its basic structure. Joints can be manufacturing splices planned at predetermined...
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Published: 01 January 2001
Fig. 9 Gross-section design stresses ( B -basis allowables) for bolted composite structures (graphite/epoxy laminates). Chart is applicable for bolts up to 9.5 mm (0.375 in.) in diameter. Larger bolts are associated with progressively lower laminate stresses. σ brg , bearing stress (σ brg = P More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... design, the ideal application can be represented as a situation in which there is a rigid structure and a flexible or elastic fastener. The bolt then behaves like a spring ( Fig. 4a ). When the bolt is preloaded or when the spring is stretched, a stress is induced in the bolt (and a clamping force...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... standard elements used to characterize composite materials for the various failure modes. Simple structural-element testing under in-plane unidirectional, multidirectional, and combined loading, as well as out-of-plane loading are discussed. Simple bolted and bonded joints, as well as data correlation...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... sustained preload fasteners Alloy steel Cadmium/nickel Good (h) Excellent Excellent Excellent (a) Blind rivets with controlled shank expansion. (b) Metallic structure on backside. (c) Performance in honeycomb should be substantiated by installation testing. (d) Blind bolts...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003451
EISBN: 978-1-62708-195-5
... required from the repair. Bonded repairs (hot or cold cured) may be made with overlap joints, stepped lap joints, or scarf joints. All of these must be made strictly to the OEM repair instructions using only the specified type. Bolted repairs to solid laminate structures can be used with either titanium...
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Published: 01 January 2001
Fig. 30 Relative weights of aluminum and carbon/epoxy composite structures. Failure strains are less for loaded holes, for using statistical basis rather than average, and for larger holes. Reliance on benefit from interference-fit fasteners requires absolutely no net or loose-fit bolts More
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006486
EISBN: 978-1-62708-210-5
... describes various factors that affect the strength of two categories of aluminum structural components, namely members and connections. Design requirements for aluminum bolts, rivets, screws, and pins are provided. The article concludes with a discussion on the considerations for serviceability, namely...