author: united states bureau of public roads

Principles of Highway Construction as Applied to Airports, Flight Strips, and Other Landing Areas for Aircraft

... MACADAM AGGREGATE . - The aggregate for the bituminous mac- adam course shall be crushed stone or crushed slag and ... Asphalt or tar , whichever is called for in the bid schedule , shall be furnished for the macadam . Asphalt shall be ...

Specifications for Construction of Roads and Bridges in National Forests and National Parks, 1941

... macadam . Asphalt shall be furnished for the seal coat . Asphalt , for macadam , shall be penetration grade 85-100 , 100-120 , or 120–150 conforming to the requirements of A.A.S.H.O. Specification M - 20 or M - 23 . ན ། Tar shall ...

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects. FP-69

... requirements of ASTM A 233 ( AWS A5.1 ) . In lieu of requiring the contractor to furnish copies of test reports for each shipment of electrodes on a project , a list of approved brands of electrodes may be maintained for which ...

Report of the Chief of the Bureau of Public Roads

United States. Bureau of Public Roads. TABLE 8. - Apportionment of Federal aid per mile of Federal - aid highway system compared with motor - vehicle registration 182 , 134. 8 1 670 , 274 , 847 19,851 , 255 1 Including the apportionment ...

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects. FP-69

... ( ASTM C478 ) . 712.07 Frames , Gratings , Covers , and Ladder Rungs . Metal units shall conform to the plan ... A123 ) . Malleable iron castings shall conform to the requirements of AASHO M 106 ( ASTM A47 ) . Grade will be optional unless ...

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects

... ( ASTM C478 ) . 712.07 Frames , Gratings , Covers , and Ladder Rungs . Metal units shall conform to the plan dimensions and to the following specification requirements for the designated ma- terials . Metal gratings and covers which are ...

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects: FP-61

... A 440 . ( f ) High - strength low - alloy structural steel . ( g ) High - strength , low - alloy structural man- ganese vanadium steel ( to be used for AASHO M 161 welding ) . ( h ) Structural nickel steel ... ( i ) Structural rivet ...

National Highway Functional Classification and Needs Study Manual (1970-1990).

... CALCULATING AVERAGE HIGHWAY SPEED ( AHS ) Route Section Length mi . Degree of curvature 1 / Design speed ( mph ) ... WORKSHEET FOR CALCULATING RURAL HIGHWAY CAPACITY WORKSHEET FOR CALCULATING REMAINING PAVEMENT LIFE Capacity of 2 - lane ...

Reinforced Concrete Bridge Members: Strength and Serviceability Criteria, Ultimate Design

... ACI Journal , Proceedings Vol . 62 , No. 2 , February 1965 , pp . 169-192 . 57. " Manual of Standard Practice for Detailing Reinforced Concrete Structures , ACI 315-65 . " 58. " Concrete Beams and Columns with Bundled Reinforcement " by ...

Strength and Serviceability Criteria: Reinforced Concrete Bridge Members

... ACI Journal , Proceedings Vol . 62 , No. 2 , February 1965 , pp . 169-192 . 57. " Manual of Standard Practice for Detailing Reinforced Concrete Structures , ACI 315-65 . " 58. " Concrete Beams and Columns with Bundled Reinforcement " by ...

Reference Guide Outline: Specifications for Aerial Surveys and Mapping by Photogrammetric Methods for Highways, 1956

... coordinate system applicable at the aver- age elevation of each survey project will usually suffice . This is equally true for the whole of each plane coordinate grid zone in many of the States . When ties are made to monuments of ...

Highway Finance Manual: Procedures for the Compilation and Analysis of the Highway Finance Statistics of State and Local Govermnents

... REPORTS IDENTIFYING RECEIPTS AND EXPENDITURES OF STATE HIGHWAY. FORMAT : Page 1 of ... 571 . All money entries should be rounded to even dollars . Space contained ... interpreting the data on the form and in understanding the transactions ...

Report of the Chief of the Bureau of Public Roads

... SEPTIC TANKS The purpose and functioning of a septic tank are quite ... design and operation of various types of tanks and the causes of failures ... calculations were made and specifications prepared for about 15 refrigerating plants ...

Work of the Public Roads Administration

... SEPTIC TANKS The purpose and functioning of a septic tank are quite ... design and operation of various types of tanks and the causes of failures ... calculations were made and specifications prepared for about 15 refrigerating plants ...

The Statistical Approach to Quality Control in Highway Construction: Research Guides

... ASTM C 123-64 . Unsound or deleterious chert may be defined by its specific gravity or its resistance to a soundness test , or it may be identified by visual examination . 2. Shale Shales grade imperceptibly from very soft , highly ...

Manual on Uniform Traffic Control Devices for Streets and Highways ... (D6.1-1961) June 1961

... Arrows Auxiliary signs with 26 , 5E - 11 3B - 3 to 6 3B - 10 , 22 , 3D - 25 ... Cost factors 3C - 4 Definition 3A - 1 1B - 23 , 24 Drawbridges .3G - 15 to ... 5E - 11 Stop ( or Limit ) line 2B - 21 Overhead 3B - 13,14 Traffic signals ...

Technical glossary of highway, bridge, and soils engineering terms: Spanish-English, English-Spanish

... recuperación de núcleos : core recovery recuperamiento elástico : elastic properties recuperar : to recover ; to reclaim ; to re- cuperate recursos : resources ; means rechazador de polvo : dust rejector ; dust collector rechazar : to ...

Work of the Public Roads Administration

... burner developed in previous years for combating the European corn borer has been converted into a low- -pressure burner , and the rigid hood has been replaced by a flexible hood in three sections to facilitate burning on uneven ground ...

Model Traffic Ordinance, as Revised and Approved by the National Committee on Uniform Traffic Laws and Ordinances, 1952

... any such stop intersection , and shall erect a stop sign at every such place ... approaching a stop sign shall stop before entering the cross walk on the ... way to any pedestrian as may be necessary to avoid collision , and upon entering ...

Bulletin - United States, Office of Public Roads

... desirable qualities , is usually better than field stone and makes a ... quality of rock . At the present time there should be no difficulty in ... Name THE WEIGHT OF BROKEN STONE . 7.

Proceedings: Program Review Meeting, Research and Development of Traffic Systems

... A325 bolts were pretensioned ( by torque wrench ) to approximately 6000 lbs . In Test 446-5 , the 7/8 in . diameter bolts were pretensioned ( using the turn - of - nut method ) to the proof load of the bolts ( 36,050 lb. ) . 1 ( b ) ...

Navigational Clearance Requirements for Highway and Railroad Bridges

... structure between bridge spans . The extent of such increased cost on any specific bridge depends upon foundation conditions at the partic- ular site and upon the cost of the most desirable bridge design without regard to navigational ...

Aggregate Gradation for Highways: Aggregate Gradation, Simplification, Standardization and Uniform Application; And, A New Graphical Chart for Evaluating Aggregate Gradation

... ASTM The original SPR issuance , R 163-36 , was adopted , essentially as promulgated , by the American Society for Testing and Materials in 1937 as Tentative Specification D 448-37T . It was carried as a Tentative Standard , with ...

Report of the Bureau of Public Roads

... talk on road improvement at citizens ' mass meeting . Rocky Mount , February 16 , 1907 : Talk and general discussion on earth and gravel road construction and maintenance , at mass meeting .. Charlottes- ville , April 16 , 1907 ...

The Role of Aerial Surveys in Highway Engineering

... plane coordinates of station markers in the basic network of control surveys that will be used as origin and closure points in basic control surveys for the project . This adjustment is made before project control surveys and map- ping ...

Role of Aerial Surveys in Highway Engineering, Prepared for the Ninth Congress, International Society for Photogrammetry, London, England, September 5-7, 1960

... plane coordinates of station markers in the basic network of control surveys that will be used as origin and closure points in basic control surveys for the project . This adjustment is made before project control surveys and map- ping ...

Work of the Public Roads Administration

... their uses in road construction has con- tinued along the general lines followed in previous years . It has included the laboratory ... their physical and chemical ... Apparatus with which both bitumi- ous materials and bituminous mixes can be ...

The Taxation of Motor Vehicles in 1932

... 33 . TRUCK SPECIFICATIONS TABLES . Com . Car . ( 15 ) PETTY , B. H. Jour ... TRUCK OPERATING COSTS . Purdue Univ . Engin . Expt . Sta . Bull . 10 ( v . 7 , no . 1 ) , 42 ... CODE . Amer . Toll Bridge Assoc . Proc . 2 : 13-18 , illus . ( 4 ) ...

Bulletin

... used for railroad purposes up to spans of about 100 feet ( Pl . XI ) . It may also be used up to at least the same length ... types of trusses used to which are given the names of their original inventors or proposers , such as the Pratt ...

Highway Statistics

... MILEAGE Alabama 5 533 209 747 747 .୧ 27 1 141 1 141 Arkansas 166 290 456 456 .... 108 21 129 129 35 42 77 77 7 50 57 57 .... .... 5 641 230 876 Alaska 70 1,079 69 173 340 1,218 513 1,218 513 Arizona Arkansas California 1 Colorado IP ...

Highway Transportation Criteria in Zoning Law

William H. Stanhagen, John J. Mullins, United States. Bureau of Public Roads ... gas station or parking lot , the inconvenient access may well mean a loss of ... Fort Smith v . Van Zandt , 197 Ark . 91 , 122 S.W. 2d 187 ( 1938 ) . 5 ...

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