Revision of Army Technical Manual /NAVFAC P/AFR , Force Manual (AFM) (TM ) (Department of the Air Force, ). manual TM , NAVFAC P, and AFM 88 This document generally has the most conservative criteria. It has been updated recently with some. Download Citation on ResearchGate | Summary of Changes and Availability of the Revised TM NAVFAC P, AFM “Design of Structures to.
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Where the design of a particular structure or of a special case is not covered, the design approach and technical formulas will be based on available technical literature or will be carefully formulated. For example, bridges constructed of aluminum will be designed in accordance with the Aluminum Association Specifications for Aluminum Structures using allowable stresses for bridges and similar type structures.
Materials Used in Civil Engineering. Foundations and Earth Structures. Composites and structural plastics have limited applicability to military construction and then only to selected specialty 88-222. This type of steel will not be used in areas where the atmosphere contains salt spray and will not be used in a seawater environment. In regions of potential seismic activity, particular attention will be given to assure that sufficient lateral support is provided.
In addition, the design will consider the effects of elevated temperature which 88-222 reduce the yield point and other mechanical properties of steel. Large-scale ductwork refers to ductwork typically associated with major supply air am hot gas conveyances, e.
This type of steel will not be used in buried structures unless coated nor will it be used in locations where rust staining of the supporting elements is objectionable. Concrete Strengths Usage Minimum Strength Mass concrete not exposed to atmospheric conditions or other deteriorating agents where mass rather than strength is the principal considerations. Stability Unless noted otherwise, stability relates to sliding, overturning, buoyancy, and other sources of gross displacement and not to stability as related to buckling.
Structures associated with the fam and handling of bulk liquid materials will be designed in accordance with the codes and standards applicable to the type of material being handled.
Gas and air conveyances. However, the adequacy of these design procedures is not well defined The following are amoung the references applicable to structural design fot tanks in addition to those indicated above: Intake and discharge structures. Designers will consider the possible hydrostatic uplift at various stages of construction.
The combined action of flexible and rigid shear connectors will not be considered as providing simultaneous shear transfer. Bridge decks subject to repeated applications of deicing salt will require more than additional concrete cover for reinforcing.
Additional guidance for watertight construction and load distribution coefficients for these types of structures may be found in PCA IS Other materials will be considered subject to acceptance by the appropriate headquarters provided any special requirements such as bedding, etc.
To the extent practical, precast components for manhole construction will be used. Manual for the Design of Hollow Core Slabs.
STRUCTURAL DESIGN CRITERIA FOR STRUCTURES OTHER THAN BUILDINGS ARMY TM 5-809-6
Largescale ductwork may be of either circular or rectangular cross section and is usually constructed of steel. Pipelines and supports Design requirements for pipelines and their supports will depend on the nature of the material being transported and the materials used for construction. For granular materials a.
Reinforced Concrete in Blast-Hardened Structures. Information describing any new load-tested materials or systems determined necessary, advantageous, and economical will be submitted for approval to appropriate headquarters. Composite construction includes construction such as cast-in-place concrete bonded or connected to precast members, cast-in-place concrete bonded or connected to structural timber, sandwich panels having relatively stiff and strong facings bonded to lightweight cores of lesser strength, such as concrete over rigid insulation, etc.
In general, inherently corrosion-resistant materials should be selected for buried tanks although steel tanks will be acceptable if properly protected against corrosion. This required degree of stability will be provided solely by the dead load plus any permanent anchorage. In general, requirements for materials used in structures other than buildings will be in accordance with paragraph a unless prior approval is obtained from the appropriate headquarters. For systems conveying materials at temperatures other than ambient, consideration will be given to the effect of thermal expansion and contraction on the support system.
The basis for design of steel 88-2 will be APIbut special considerations related to the product stored in the tank must be accounted for. General Design of water related structures will comply with the need to maintain watertight and durable construction.
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Textbooks and Handbooks Suresh C. Storage of corrosive solutions and the effects of temperature in conjunction with corrosive solutions will be considerations in selecting tank materials. Use of corrosion-resistant steel will be in accordance with the following.
Corrosion-resistant structures Specialty structures are often required for use in extremely corrosive areas such as in chemical processing plants, plating rooms, demineralizing and water polishing areas, and severe salt water environments. Water Treatment Plant Design. The safety factor will be at least 1. For a general discussion of 888-22 such as material selection, service life, etc.
Structures to resist the effects of accidental explosions in SearchWorks catalog
Precautions will be observed when using composites and structural plastics in recognition of their unfavorable fire resistance properties. Purpose This manual establishes structural design criteria for structures other than buildings, furnishes design guidance for various types of structures, and identifies special considerations with 88-2 to certain materials in specific applications.
88-222 confronted with the need for structures such as these, the agency providing the design will obtain relevant references and identify the appropriate specialty consultants to assist in the design.