January 1950
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Thin Overlay Bituminous Macadam for the Control of Reflex Cracking
Thin Overlay Bituminous Macadam for the Control of Reflex Cracking ROBERT D. JOHNSON, Maine Aeronautics Commission •REFLEX CRACKING in pavement overlays has been an extensive problem, often with an unsatisfactory solution. This problem is brought about by attempts to correct another far-reaching problem-old pavement in need of rehabilitation. Both problems now exist in practically all pavements. Determination of a satisfactory solution to these problems has been one of the most pressing demands on airport owners and the Aeronautics Commission in Maine for the past 10 years. Pavements in concern, for the most part, have been over 20-years-old, have re tained their general shape, but are severely cracked. The cracks commonly prevail in two directions-longitudinally with a reasonably consistent pattern and straight align ment, and transversely with a very irregular pattern and irregular alignment. The width of the cracks is most often from ½ to ¾ in. PREVIOUS METHODS One method used extensively to rectify badly cracked pavements was to clean the cracks with a router, or by some other means, and then fill them by successive ap plications of asphalt and sand. This often was followed by a seal coat or bituminous concrete overlay 1 to 2 in. in thickness. Another method used to some extent was, after routing, to fill the cracks with a rub ber asphalt or synthetic and then apply a seal coat or bituminous concrete overlay. A third method was to fill the cracks with either asphalt and sand, rubber asphalt or synthetics and then apply a bituminous concrete overlay, 1 to 3 in. -
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•^tiSS^^i-S^ UNITED NATIONS Final Reprt of the' First Executive Beard of tiis MATiniMO ii \viftiiyi* •• L,^ & n 4 i' : y•-«•, pf-STPr^BSTSi^i Al ^P-^! f^-PSf^.?^ 1 \:A 11-111-1 ^ s ^ s I •" 1^ '-: ;-> i H; ?• "I I- ^•ii \ 1 * t; n a v) i 8 i ? i; •: '• •' *\ •* m I g.fiUiiig hJt^M- yssisu^slLia y kfe^tealSW E B C?«'iiai> 11 DECEMBER 1946—-31 DECEMBER 19SO ECONOMIC AND SOQAL COUNCIL OFFICIAL RECORDS TWELI^TH SESSION SUPPLEMENT No. 3 NEW YORK ) TABLE OF CONTENTS Page INTRODUCTION ................................................ 1 I. SUMMARY .................................................... 1 II. ORIGIN OF THE FUND ........................................... 3 III. WHAT THE FUND DID AND WHY ................................. 3 The work in Europe ........................................... 3 The work in Asia ............................................. 8 The work in Latin America ..................................... 11 The work in the Middle East and North Africa ................... 13 IV. FINANCIAL HISTORY ........................................... 14 Government contributions ....................................... 14 UNRRA residual assets ......................................... 15 United Nations Appeal for Children .............................. 15 Allocations ................................................... 16 Expenditures ................................................. 17 Value of assistance remaining to be fulfilled ........................ 18 Annual and cumulative statistics ..............................r:. 18 Resources -
Ratification Status of International, American and Caribbean Treaties
RATIFICATION STATUS OF INTERNATIONAL, AMERICAN AND CARIBBEAN TREATIES International Convention on the Prevention and Punishment of the Crime of Genocide 19481 Participant Date of Signature Date of Ratification (Accession – a), (Succession – d) Antigua and Barbuda 25 October 1988 Argentina 5 June 1956 a Bahamas 5 August 1975 d Barbados 14 January 1980 a Belize 10 March 1998 a Bolivia, Plurinational State of 11 December 1948 14 June 2005 Brazil 11 December 1948 15 April 1952 Canada 28 November 1949 3 September 1952 Chile 11 December 1948 3 June 1953 Colombia 12 August 1949 27 October 1959 Costa Rica 14 October 1950 a Cuba 28 December 1949 4 March 1953 Ecuador 11 December 1948 21 December 1949 El Salvador 27 April 1949 28 September 1950 Guatemala 22 June 1949 13 January 1950 Haiti 11 December 1948 14 October 1950 Honduras 22 April 1949 5 March 1952 Jamaica 23 September 1968 a Mexico 14 December 1948 22 July 1952 Nicaragua 29 January 1952 a Panama 11 December 1948 11 January 1950 Paraguay 11 December 1948 3 October 2001 Peru 11 December 1948 24 February 1960 St. Vincent and the Grenadines 9 November 1981 a Trinidad and Tobago 13 December 2002 a United States of America 11 December 1948 25 November 1988 Uruguay 11 December 1948 11 July 1967 Venezuela 12 July 1960 a 1 The Convention entered into force on 12 January 1951. Source: http://treaties.un.org/. Updated to 04-11-2012. <UN> <UN> International Convention on the Elimination of All Forms of Racial Discrimination of 19652 Participant Date of Signature Date of Ratification (Accession – a), -
Practical Guide to Street Works Operatives and Supervisors Under the New Roads and Street Works Act 1991
This guide provides practical advice to assist good workmanship and promote the highest standards of reinstatement by site Practical Guide to Street Works operatives and supervisors under the New Roads and Street Works Act 1991. It is NOT a replacement or abbreviated version of the Code of Practice, Specification for the Reinstatement of Openings in Highways (Second Edition [England], June 2002). Information is presented in the order that a reinstatement is undertaken, from signing, excavating, reinstating and then leaving a completed job. Each section is typically broken down to cover: • Specification details • checks, with hints and tips of what to look out for • a list of tasks to be completed • health and safety issues to be aware of. £9.95 www.tso.co.uk 5527465X_PGTSW cover_Vn1_0.indd 1 18/4/06 10:42:01 Practical Guide to Street Works Compiled and designed by TRL Limited on behalf of the Department for Transport and in consultation with HAUC (UK) June 2006 London: TSO Published by TSO (The Stationery Office) Department for Transport and available from: Great Minster House 76 Marsham Street Online London SW1P 4DR www.tsoshop.co.uk Telephone 020 7944 8300 Web site www.dft.gov.uk Mail,Telephone, Fax & E-mail TSO © Queen’s Printer and Controller of Her Majesty’s PO Box 29, Norwich, NR3 1GN Stationery Office, 2006, except for the following: Telephone orders/ • extracts from the Specification for the General enquiries: 0870 600 5522 Reinstatement of Openings in Highways (Second Fax orders: 0870 600 5533 Edition [England], June 2002), highlighted in yellow, E-mail: [email protected] which are Crown copyright; Textphone 0870 240 3701 • photographs, which have been provided by Bomag, NJUG,Terex,TRL Limited and Wacker (Great TSO Shops Britain) Limited; 123 Kingsway, London,WC2B 6PQ 020 7242 6393 Fax 020 7242 6394 • other illustrations. -
National Road/Route 40 1811-1834, 1926
National Road/Route 40 1811-1834, 1926 Library of Congress The National Road, in many places now known as Route 40, was built between 1811 and 1834 to reach 1910 photo of the National Road, the western settlements. It was the first federally funded road in U.S. history. George Washington and 1.5 miles west Thomas Jefferson believed that a trans-Appalachian road was necessary for unifying the young country. of Brownsville, In 1806, Congress authorized construction of the road, and President Jefferson signed the act establish- Pennsylvania. ing the National Road. In 1811, the first contract was awarded, and the first 10 miles of road were built. As work on the road progressed, a settlement pattern developed that is still visible. Original towns and villages are still found along the National Road. The road, also called the Cumberland Road, National Pike, and other names, became Main Street in these early settlements, earning it the nickname “The Main Street of America.” In the 1800s, it was a key transport path to the West for thousands of settlers. In 1912, the road became part of the National Old Trails Road, and its popularity returned in the 1920s with the automobile. Federal aid became available for improvements in the road to accommodate the automobile. In 1926, the road became part of U.S. 40 as a coast-to-coast highway running from Atlantic City to San Francisco. Contributions & Crossroads Our National Road System’s Impact on the U.S. Economy and Way of Life National Road/Route 40 1811-1834, 1926 Public domain photo by Lyle Kruger A section of Route 40 (above) with its original paving bricks stretches out to the horizon. -
WSDOT Project Development Glossary
PROJECT DEVELOPMENT GLOSSARY Table of Contents PROJECT DEVELOPMENT GLOSSARY ..................................................................... 1 Table of Contents ................................................................................................ 1 A ........................................................................................................................ 1 B ........................................................................................................................ 7 C ........................................................................................................................ 10 D ........................................................................................................................ 14 E ........................................................................................................................ 16 F ........................................................................................................................ 18 G ........................................................................................................................ 21 H ........................................................................................................................ 24 I ......................................................................................................................... 27 J ......................................................................................................................... 29 K ....................................................................................................................... -
Roads for Motor Traffic 1
- : : M"', t ; s or Meier Traffic Gfil Engineering 1913 * I \\ « * 3CJCH RABY THE UNIVERSITY OF ILLINOIS LIBRARY vm Digitized by the Internet Archive in 2013 http://archive.org/details/roadsformotortraOOholt ROADS FOR MOTOR TRAFFIC 1 BY CARYL AMES HOLTON THESIS FOR DEGREE OF BACHELOR OF SCIENCE IN CIVIL ENGINEERING COLLEGE OF ENGINEERING UNIVERSITY OF ILLINOIS 1913 UNIVERSITY UP ILLINOIS College of Engineering. May 2 4, 1913. I recommend that the thesis prepared under my supervision toy CARYL AMES HOLT OH entitled Roads for Motor Traffic oe approved as ji fulfilling this part of the requirement 8 for the degree of Bacneior of Science in Civil Engineering. Instructor in Civil Engineering. Recommendation approved 3™ (D. /%*^&zA/ Head of Department of civil Engineering. 246485 uiuc . ROADS FOR MOTOR TRAFFIC CHAPTER I INTRODUCTION Before the advent of the automobile the practice of road building had been practically standardized. The best kind of road for all different conditions had been determined and the problem ; had been reduced to one of economics rather than one of engineering The kind of road generally conceeded to be the best was the water- bound macadam. The water-bound macadam road was of uniform construction wherever used. It consisted of three courses. The first or found- ation course was of broken stone varying in size from about 2 to 3 inches, the course having a thickness of 4 to 6 inches after having been thoroughly rolled. The next course wa3 of stone varying from 1/2 to 2 inches in size rolled to a thickness of about 2 inches. -
Facts on Women Workers: February 28, 1950
on Women Workers * U. S. Department of Labor Women s Bureau ’ACTS Maurice J. Tobin, Secretary Frieda S. Miller, Director WASHINGTON 25, D. C. ............. library February 28, 1950 A. S M. COLLEGE OF TEXAS FMPLOIMENT OF WCMBN IN JANUAKT 1950 The woman labor force increased by more than 3/4 million from January 1949 to January 1950, according to figures issued by the U. S. Bureau of the Census. This increase represents a rise of 230,000 in the number employed and a rise of 565,000 in the number unemployed. The number of women employed in agriculture decreased considerably, while those in nonagricultural employment increased. Between December 1949 and January 1950 the woman labor force decreased, owing largely to the withdrawal of extra workers employed in stores during the holiday season and of unpaid workers who had been helping on family farms. _____________________ January 1950___________________________ Number of Percent women Change since Change since women of all persons December 1949 January 1949 Population (14 years and over) 56,096,000 50.9 ♦ 43,000 ♦ 637,000 Civilian labor force 17,712,000 28.8 - 568,000 ♦ 795,000 Employed 16,494,000 29.0 - 769,000 ♦ 230,000 In agriculture 625,000 10 a - 224,000 — 181,000 In nonagricultural industries 15,869,000 31.3 - 545,000 ♦ 411,000 Unemployed 1,218,000 27.2 ♦ 201,000 ♦ 565,000 Armed forces 21,000 1<5 None 4 6,000 Nonworkers 38,363,000 80.9 ♦ 616,000 - 164,000 (U. S. Department of Commerce, Bureau of the Census) INCOME OF WOMEN AND OF FAMILIES HEADED BY WOMEN, 1948 Women 14 years of age and over with money income in 1948 had a median income of |l,009, according to a report just issued by the U. -
CEMENT-BOUND MACADAM ALLEY PAVEMENTS Harry Overesch, City Engineer, Lafayette
164 PURDUE ENGINEERING EXTENSION DEPARTMENT the cost to the city for the crushed brick (50 per cent of the coarse aggregate) is only that of crusher operation. Abrasion tests of the crushed brick aggregate were made by the University of Notre Dame Engineering Department, using the Los Angeles Abrasion Machine in accordance with A.A.S.H.O. Method T-96. The percentage of wear by this method was found to be 37.2 per cent. Similar tests of other local concrete aggregates by the same method gave results up to 50 per cent of wear. In the Public Roads magazine of September, 1935, a com parison of A.A.S.H.O. Methods T-4 and T-96 for abrasion tests of aggregates is given as follows: T-4 T-96 Vermont Granite 2.6% 33% Michigan Limestone 3.4% 33% Wisconsin Dolomite 4.1% 34% From the above data, it is concluded that 40 per cent or less of wear by the T-96 method is acceptable. Cores of brick-aggregate pavement have been taken and show satisfactorily the thickness of slab and physical char acteristics of the mix; but the mechanical condition of the coring machine is such that clean-cut cores suitable for strength tests have not been obtained. CEMENT-BOUND MACADAM ALLEY PAVEMENTS Harry Overesch, City Engineer, Lafayette My subject is supposed to be “Cement-Bound Macadam Alley Pavements/' but what I am about to describe is—an orphan. As a prominent cigarette maker says, “Something new has been added." If it doesn't prove out, I suppose I'll be called the orphan. -
00377295.Pdf
.- -. &A~5647-MS h- Informal Report -SpeciakDi8tribtition I Issued: July 1974 A Short Account of / Los Alamos Theoretical Work on Thermonuclear Weapons, 1946-1950 J Prepared by J. Carson Mark* ●LASL Consultant 1 $ slam DO NOT CIRCULATE 10s@ scientific iabora of the University of Calif~ LOS ALAMOS, NEW MEXICO 87 PERMANENT RETENTION UNITED STATES ATOMIC ENERGY COMMISSION CONTRACT W-740B-ENG. 36 . #- . t-. .. , . ... This report was prepared as an account of work sponsored by the United States Government. Neither the United States nor the United States Atomic Energy Commission, nor any of their employees, nor eny of their contrac- tors, subcontractors, or their employees, makes any warranty, express or im- plied, or assumes any iagal liability or responsibility for the accuracy, com- pleteness or usefulness of any information, apparatus, product or process dis- closed, or represents that its use would not infringe privately owned ri@s. In the interest of prompt distribution, this LAMS re- port was not edited by the Technical Information staff. -.. -- . I ‘1 FOREWORD This report is an unclassified—and consequently, somewhat abridged-vereion of a document prepared during the summer of 1954. Except ae required to remove claeeified references, and to restore con- tinuity, it follows the original. The earlier document (iesued on October 1, 1954) waE the first draft of a chapter for a proposed hietory of the technical work at Los Alamca from the end of the war up to 1954. This particular chapter wae to cover the Los Alarnos work on thermonuclear weapona from 1946 to January 1950-the time of President Truman’s decision concerning U.S. -
SR 20 Discovery Road and SR 20 Kearney Street Roundabouts Pre-Design Study
SR 20 Discovery Road and SR 20 Kearney Street Roundabouts Pre-Design Study December 2020 Prepared by WSDOT’s Olympic Region Multimodal Planning Office P. O. Box 47440 Olympia, WA 98504-7440 Title VI Notice to Public It is the Washington State Department of Transportation's (WSDOT) policy to ensure no person shall, on the grounds of race, color, national origin or sex, as provided by Title VI of the Civil Rights Act of 1964, be excluded from participation in, be denied the benefits of, or be otherwise discriminated against under any of its federally funded programs and activities. Any person who believes his/her Title VI protection has been violated, may file a complaint with WSDOT's Office of Equal Opportunity (OEO). For additional information regarding Title VI complaint procedures and/or information regarding our non-discrimination obligations, please contact OEO's Title VI Coordinator at (360) 705-7090. Americans with Disabilities Act (ADA) Information Materials can be made available in an alternate format by emailing the Office of Equal Opportunity at [email protected] or by calling toll free, 855-362-4232. Persons who are deaf or hard of hearing may make a request by calling the Washington State Relay at 711. Under 23 U.S. Code § 409, safety data, reports, surveys, schedules, lists compiled or collected for the purpose of identifying, evaluating, or planning the safety enhancement of potential crash sites, hazardous roadway conditions, or railway-highway crossings are not subject to discovery or admitted into evidence in a Federal or State court proceeding or considered for other purposes in any action for damages arising from any occurrence at a location mentioned or addressed in such reports, surveys, schedules, lists, or data. -
April/May 1950
APRIL-MAY, 1950 BULLETIN 0- JXijtq=hroI ~PRI~J~/j~j<,tt& d~c9?~d $v c!z%ic~c%ifi Children on the steps of the Tokyo neighborhood center see the world from their own point of view. BUILDING COMMUNITIES AROUND THE WORLD: PAGE 4 Shared Service NI: of tlle most striking changes in the AFSC during the AFSC is doing-must be the major factor in the forma- 0 the past 30 years has been its growth in size. It has tion of basic policy through the Excciltive Board. increased its activities both I~orizontally and vertically, that The Board naturally places upon the staff ad~ninistrative is, in the geographical spread of its work projects abroad responsibility for the multiplicity of activities and their and in the complexity of its central office staff at 20 South functional divisions. Because of the peculiar nature of the 12th Street. AFSC and the types of concerns which it tries to meet, an Before the organization of the Al:SC, Friends had many i~nusuallybroad scope of responsibility is laid tlpon each co~rrer.i~.r,for peace, for reconciliation in conflict situations, staff member. Each is a member of the total group identi- for the welfare of the world's unforti~natcs,to enumerate fied with our special symbol, the red and black star. only a few. Thcse clearly grew out of Friends ~c.rtiniouie.r, Members of the Society of Friends, friends of Friends, of which menibers of the Society were constantly remindetl "alumni" of the AFSC, members of the Executive Board, by their "Queries and Advices." and staff members in the U.