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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The manual presents procedures for determining the blast Table 1 also shows the maximum wind speed associated with the given overpressure.
The net section area gross area minus bolt hole areas will be used to determine actual stresses. Special consideration will be given to the effect of roof and wall openings, and proper allowance will be made for differential movement due to settlement, thermal expansion, etc.
Overseas construction Where local material of grades other than those referenced herein are to be used, working stresses, yield strengths, and details of construction will be modified as necessary to reliably represent the performance of the local material.
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Steel tanks to store liquefied gases at or near atmospheric pressures will be designed in accordance avm API Other acceptable standard design methods or concepts may also be used. 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.
Basic guidance regarding design of other types of specialty 88-22 which may have only limited applicability to military projects is also provided. Gravity structures are those which rely solely on their own weight to maintain stability. Information describing any new load-tested materials or systems determined necessary, advantageous, and economical will be submitted for approval to appropriate headquarters. Design of docks and harbors will, in general, be in accordance with the MIL-HDBK- series which addresses waterfront operational facilities.
In addition, the design will consider the effects of elevated temperature which can reduce the yield point and other mechanical properties of steel.
Design of prestressed concrete tanks will be in accordance with ACT R. 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.
Structural design af, concrete structures will be in accordance with ACI Gas and air conveyances.
Design considerations will include forces exerted on agm duct system such as those due to gas pressure, dead and live loads, wind loads, snow loads, seismic loads, and loads due to thermal expansion and contraction. Additional considerations apply to tank design depending on the type of tank and other factors as discussed in the following. Thermosetting Fiberglass-Reinforced Plastic Tanks. Reaction blocking will be designed and provided where necessary to resist forces due to pressure, thrust, impact, water hammer, etc.
Additional thickness will be provided in locations subject to abrasive wear, and use of replaceable wear plates for severe conditions will be considered. Design of reinforced concrete tanks will be in accordance with PCA Manual for the 8822 of Hollow Core Slabs.
Structures to Resist the Effects of Accidental Explosions (TM , NAVFAC – Google Books
Other acm including those due to wind, snow, seismic activity, thermal expansion and contraction, thrust, impact, etc. Problem Identification and Thesis Analysis. In regions of potential seismic activity, particular attention will be given to assure that sufficient lateral support is provided.
References Appendix A contains a list of references used in this document. Also known as Army Aafm 5 -. Purpose This manual establishes structural design criteria for structures other than buildings, furnishes design guidance fam various types of structures, and identifies special considerations with regard to certain materials in specific applications. Mobile canopies and shelters will be designed for the loads which would otherwise apply to stationary structures of that type with additional provisions regarding impact factors appropriate for the speed at which the structures are to be moved.
Copyrighted material include din the manual has been used with the 888-22 and permission of the proprietors and is acknowledged as such at point of use. Pipe supports Pipe supports will be designed to resist the various forces to which the piping system will be subjected.
Design will afj a determination of plate thickness required to resist flexural loading, the size and spacing of stiffeners, the size and location of internal bracing, and additional plate thickness and features which may be required if the duct is designed as a spanning box girder.
Water and wastewater treatment facilities a.
Cover Image: Phys. Rev. Lett. Vol. 88, Iss. 22
Much of the blast and fragment technology developed for. Bridge decks subject to repeated applications of deicing salt will require more than additional concrete cover for reinforcing. Design requirements for aluminum materials will afj in accordance with paragraph 22a.
Developments Between the 15th and 18th. Flexible connectors include items such as am, stirrups, dowel bars, and ties. Design of water storage tanks will be in accordance with applicable American Water Works Association publications but subject to specific design restrictions as set forth above.
Departments of the Army, Navy, and Air Force. Design of supports and enclosures for vibrating or rotating machinery will consider the need for isolation pads, isolation joints, and damping devices either alone or in combination. Allowable stresses will be in accordance with table Earth cover will be provided over the top of tanks in accordance with frost penetration requirements considering concrete distribution slab thickness but will be not less than 2 feet 6 inches.
The basis afn design of steel tanks will be APIbut special considerations related to the product stored in the tank must be accounted for. Designs for these structures will be in accordance with related design codes, sound engineering practice and judgement, and relevant criteria based on the materials involved and the predicted loading.