AFM 88-22 PDF

  • June 20, 2019

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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Material anisotropy revealed by phase contrast in intermittent contact atomic force microscopy.

The safety factor will be at least 1. Load-tested designs In lieu of the design 888-22 discussed above and when consistent with budget and schedule, load-tested designs may be considered.

Largescale ductwork may be of either circular or rectangular cross section and is usually constructed of steel. Selection of materials of construction for tanks in which liquids are to be stored will consider the environmental conditions to which the tank will be exposed as well as the properties of the liquid being stored. Underground Concrete Utility Structures. Effects of Accidental Explosions, Army TM 5 – conservatively predicted the blast pressure loadings obtained from the pressure transducers mounted on the Particular attention will be given to wind, seismic, dynamic, and fatigue loads on cablesupported structures and other similar force-oscillating structures.

Structural Design of Mass To be distributed in accordance with DA Form E, requirements for nonequipment technical manuals. Aafm ductwork refers to ductwork typically associated with major supply air and hot gas conveyances, e.

Anyone wishing to make further use of any copyrighted material, by itself and apart from this text, should seek necessary permission directly from the proprietors. Design loads will include considerations of vertical live load, berthing forces, mooring loads, wave loadings, ice forces, as well as seismic and other forces as appropriate.

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These criteria apply to all groups and agencies responsible for the design of military facilities. Where appropriate, water related concrete structures will be designed as hydraulic structures.

Equipment supports and enclosures. 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.

Cover Image: Phys. Rev. Lett. Vol. 88, Iss. 22

Although ring beams are required only for tank foundations in seismic zones 3 or 4, this type of construction or comparable provisions necessary to prevent frost heave will be made in all areas. In such situations, e.

Fiber-reinforced concrete will be used only if approved by the appropriate headquarters. Additional guidance for watertight construction and load distribution coefficients for these types of structures may be wfm in PCA IS Equipment supports and enclosures a. Concrete cover for protection of reinforcing will be increased when the structure is exposed to salt water or other corrosive conditions unless other means are employed to protect reinforcing from corrosion.

Physical Review Letters – Cover Image: Phys. Rev. Lett. Vol. 88, Iss. 22

Particular consideration will be given to corrosion-resistant design in seawater environments. 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. In regions of potential seismic activity, particular attention will be given to assure that sufficient lateral support is provided.

As a minimum, all pipe supports will be designed to carry the weight of the piping system plus water to account for hydrostatic testing. Concrete properties will be selected to suit afj expected conditions.

Gas and air conveyances. Gravity structures are those which rely solely on their own weight to maintain stability. Rigid connectors include roughened and adhered surfaces and structural shapes.

STRUCTURAL DESIGN CRITERIA FOR STRUCTURES OTHER THAN BUILDINGS ARMY TM

The layout of duct systems will include a sufficient, but minimum number of expansion joints, adequate provisions for movement, and appropriate restraint at supports. Minimum safety factors will be 2. Design of structural systems for tanks will include the necessary interfaces between the supporting structure or base and the tank itself.

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The objective of cost engineering is to focus. Blast-resistant design is often required in conjunction with the construction of weapons system facilities, both developmental and operational, as well as for structures designed to resist the effects of intentional attack.

Ferry Terminals and Small Craft. For aluminum towers and antennas, the onethird increase in allowable stresses under wind or seismic loads permitted in the Aluminum Association Specifications for Aluminum Structures will not be used. The need for water resistance and provisions for drainage and sumps will be examined, as well as cable bending radii and details of required support systems, when establishing the layout and dimensions of such structures.

Steel Pipe-a Guide for Design and Installation. Other materials will 88–22 considered subject to acceptance by the appropriate headquarters provided any special requirements such as bedding, etc. Design of structures to resist the adm of conventional weapons will be in accordance with TMand design of facilities to resist the effects of nuclear weapons will be in accordance with TMTMTMTMTM and TM Steel tanks to store liquefied gases arm or near atmospheric pressures will be designed 8822 accordance with API Silos, bins, and bunkers.

The minimum safety factor for stability against overturning and for resistance against sliding will be as set forth in paragraph