A inflexible pavement is taken into account to be any pavement method that includes as one point portland cement concrete, both non-reinforced or bolstered. This 1984 handbook offers information for the layout of military airfield inflexible pavement at U.S. military mobilization installations. This handbook is proscribed to military airfield pavement layout requisites for plane in the course of a mobilization scenario.
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Additional resources for Airfield Rigid Pavement - Mobilization Construction - Engineering and Design (EM 1110-3-142)
Table 3-1 summarizes the cross-sectional areas and weights of wires. b. Placement of reinforcement steel. The reinforcement steel will be placed at a depth of 1/4 hdr plus 1 inch from the surface of the reinforced slab. This will place the steel above the neutral axis of the slab and will allow clearance for dowel bars. The wire or bar sizes and spacing should be selected to give, as nearly as possible, the required percentage of steel per foot of pavement width or length. In no case should the percent steel used be less than that required by figure 3-1.
The large surface area to volume ratio of the steel fibers requires an increase in the paste necessary to insure that the fibers and aggregates are coated. To accomplish this, cement contents of 750 to 900 pounds per cubic yard of concrete are recommended. The cement 4-1 EM 1110-3-142 9 Apr 84 content may be all portland cement or a combination of portland cement and up to 25 percent fly ash or other pozzolans. e. Maximum size coarse aggregates should fall between 3/8 and 3/4 inch. The percent of coarse aggregate (of the total aggregate content) can vary between 25 and 60 percent.
Y. :.. ·~ ... ~·. "'"' "'- -C\1 NO. 5 DEF STEEL BARS 2' LONG, SPACED ON 1'·6" CENTERS AND PLACED PARALLEL TO THICKENED EDGE·-------- NOTE: 1. be 1/4 inch plus of minus 1/16 inch below top of pavement. 2. mformed type (see para 2-3 e). U. S. Army Corps of Engineers FIGURE 2-10. JOINTS FOR 3C PAVEMENTS 2-12 :W: ~~· ....... :_. :•:. ·........... . ·. :. ·... " . . 4:... ··:· PREFOMEDL NONEXTRUpiNG JOINT FIL~ER I NOTES: I 1. below top of pavement. 2. Joind sealant may be pourable or prieformed type (See para 2-3e).
Airfield Rigid Pavement - Mobilization Construction - Engineering and Design (EM 1110-3-142)