Paving and Surfacing OperationsHeadquarters, Department of the Army, 1966 - Pavements |
Common terms and phrases
airfield alinement anchor ditches application asphalt cement asphalt cutback Asphalt Mixture base course batching plant Binder Course bitumen bituminous material blade brane burlap calcium chloride centerline central plant coarse aggregate compacted concrete construction corduroy corduroy road crete CREW curing cutterstock depth dowels edge emulsions equipment expansion joints expedient feet filler finisher forms gallons Gradation grade heat hot mix inches joint kerosene keylock lane layer load lock bar longitudinal M9 mat macadam Maximum Size 70 membrane ment method mixer Model moisture motor grader operations overlap pallet panels paragraph patch pavement paver paving placed placement plank plant mix portland cement pounds prime coat removed repair road tar roller rolling runway sand side sieve slab slots specifications spread spreader straightedge subgrade surface course surface treatment tack coat tank temperature thickness tion traffic transverse truck vibrator viscosity water-cement ratio wearing surface weight welded width windrow ססור
Popular passages
Page 124 - Fineness Modulus. — An empirical factor obtained by adding the total percentages of a sample of the aggregate retained on each of a specified series of sieves, and dividing the sum by 100.
Page 122 - The pulverized product is the finished portland cement. lt is ground so fine that nearly all of it will pass through a sieve having 200 meshes to the lineal inch or 40,000 openings in a square inch. When portland cement is mixed with water a paste is formed which first sets, that is, becomes firm, and then hardens for an indefinite period.
Page 123 - Type IV: Low-heat portland cement. This is a special cement for use where the amount and rate of heat generated must be kept to a minimum. The development of strength is also at a slower rate.
Page 190 - Pretensioning — A method of prestressing in which the tendons are tensioned before the concrete is placed.
Page 241 - Corduroy fascine roads are suitable expedients in swampy or boggy ground, where neither logs nor standing timber are readily available, but where second growth, small trees, brush or saplings are available in quantity.
Page 131 - Boyle's law— the volume of a given mass of gas at a constant temperature is inversely proportional to the pressure to which it is subjected; or Pi Vi = Pa V2.
Page 76 - Unless the distributor is so equipped as to obtain this result at the junctions of applications, building paper shall be spread on the surface for a sufficient distance back from the end of each application so that flow through sprays may be started and stopped on the paper and so that all sprays will operate properly over the entire length being treated. Building paper so used shall be immediately removed and burned. Application temperatures shall be as provided in the specifications for the bituminous...
Page 162 - Transverse construction joints should be installed at the end of each day's paving operation, and at other points within a paving lane where the placing of concrete is discontinued a sufficient length of time for the concrete to start to set. All transverse construction joints in rigid pavements should be of the doweled type, and should be located in place of other regularly spaced transverse joints. -%* deformed aW tar* deformed 3-W1 bars dov/eled joirrt...
Page 118 - TRIM AND CLEAN TO RECTANGULAR LINES AND VERTICAL FACES REPLACE BASE MATERIAL AND COMPACT THOROUGHLY BY TAMPING PRIME BOTTOM AND PAINT SIDES OF HOLE WITH LIGHT-GRADE BITUMINOUS MATERIAL. LET DRY UNTIL BITUMEN BECOMES TACKY 'A-^: •ssssss/sss/ssss. BUILD UP WITH 3" OR SMALLER LIFTS OF COMPACTED BITUMINOUS PREMIXED MATERIAL.
Page 141 - The hourly production capacity will vary between 10- and 15-cubic yards depending on the efficiency of the personnel. Aggregate larger than 3 inches will damage the mixer. The mixer consists of a frame which is equipped with wheels and towing tongue for easy movement, an engine, a power loader skip, mixing drum, water tank, and auxiliary water pump. The mixer may be used as a central mixing plant.