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Era Ethiopia Bituminous Mixtures

  • Partially Replacement Of Waste Plastics In Bituminous

    total mixture by weight. They are mixed with approximately 5% asphalt binder to produce HMA. By volume, a typical HMA mixture is about 85% aggregate, 10% asphalt binder, and 5% air voids. Additives are added in small amounts to many HMA mixtures to enhance their performance or workability. Because asphalt concrete pavement is much more flexible ...

  • Era Manual Standard Technical Specification 2002

    Bituminous concrete is one of the highest and costliest types of flexible pavement. One of the main problems in the construction of asphalt paving mixture is obtaining a sufficient amount of filler material and high cost of the use of ordinary Portland cement, hydrated lime, or marble dust as filler material.

  • Evaluation Of The Effect Of Molasses On Performance Of

    Asphalt Concrete Mixtures Melese Worku A thesis submitted to the school of Research and Graduate Studies of Bahir Dar Institute of Technology, BDU in partial fulfillment of the requirements for the degree of Master of science in Road and transport engineering. Advisor Name Abubeker A. (PhD.) Co-Advisor Name Henok D. (MSc) Bahir Dar, Ethiopia

  • Bituminous Patching Mixtures For Maintenance Use

    Bituminous Patching Mixtures. The material supplier or contractor may furnish any of the following Bituminous Patching Mixtures listed in the individual Group for which the award was made. Group I Bituminous Patching Mixtures Serial No. M-17-08 Bituminous Mixture for Maintenance Use, Emulsified Asphalt Type

  • Pdf The Federal Democratic Republic Of Ethiopian

    Ethiopian Roads Authority Page xiii Pavement Design Manual Volume II Glossary of Terms Rigid Pavements 2013 Hot mix This is a generic name for all high quality mixtures of aggregates and asphalt (HMA) bitumen that use the grades of bitumen that must be heated in order to flow sufficiently to coat the aggregates.

  • Chapter 3 Bituminous Mixtures

    Bituminous Mixtures 3-5 FM 5-472/NAVFAC MO 330/AFJMAN 32-1221(I) properties. Emulsified asphalt is a liquid material made up of a mixture of asphalt, water, and

  • Chemical Admixtures Construction In Ethiopia

    May 10, 2015 Chemical Admixture is defined as a chemical other than cement, water aggregate that is used as ingredient of concrete to improve properties Such as workability, curing temperature range, setting time or color. Some chemical admixtures have been in use for a very long time such as calcium chloride to provide a cold-weather setting concrete.

  • Basic Research For Improvement Of Road Development

    ERA Ethiopian Roads Authority ERCC Ethiopian Roads Construction Corporation ESAL Equivalent Single Axle Load EU European Union FAR Federal Acquisition Regulation FIDIC Fdration Internationale Des Ingnieurs-Conseils FS Feasibility Study GA Grant Agreement GCW Gross Combined Weight

  • Tex207 Determining Density Of Compacted Bituminous

    Use Part I for all compacted bituminous mixtures except those with open or interconnecting voids and/or those that absorb more than 2.0% water by volume as determined by this procedure. Use Part II for absorptive mixtures that have more than 2.0% water absorption.

  • Specification Ethiopian Construction

    6.1.8 ERA (Ethiopian road Authority) ... New aggregate required for use in recycled asphalt mixtures shall comply with the requirements (iv) Combined aggregate. The aggregate mix obtained from new aggregate and the aggregate in the recovered asphalt, including any mineral filler, an approved quantity of which may be added in accordance with sub ...

  • Sustainable Roadway Construction Economic And Social

    recommended by the Ethiopian Roads Authority (ERA) (ERA, 2019). Moreover, currently, asphalt pavements are becoming more expensive while their quality is declining from time to time. The expensiveness of the asphalt pavements is mainly due to their main component, bitumen. Ethiopia is not an oil-producing country and thus bitumen is imported ...

  • Pdf Evaluation Of The Effect Of Rubber Modified Bitumen

    Jun 15, 2018 Ethiopian Construction Design ... (ERA manual - 2002) and international Specification. ... Human hair added to standard asphalt mixture with three different proportions varying from 3% to 12% by ...

  • Evaluation Of The Effect Of Recycle Waste

    Bitumen and asphalt concrete mixture can be modified by adding different types of additive. One of these additives is the polymers. Polymer modified binders also show improved adhesion and cohesion properties. Polymers can be also added to the asphalt concrete mixtures to form an aggregate coating material. The coatings would enhance

  • Road Standards And Paving Standards

    The types of paving covered by these standards are typically made of asphalt, concrete, and bituminous materials. These road and paving standards allow geotechnical engineering firms and construction companies to examine and evaluate paving materials to ensure strength and durability towards safe application and use.

  • Highway Engineering Report Pdf Asphalt Road Surface

    Bituminous material Bituminous material or asphalt, ... (mc) cutback asphalt c. rapid cooling (rc) cutback asphalt Emulsified asphalt. is a kind of mixture wherein the minute globules of asphalt disperses in water. Asphalt content ranges from 55% -70% by weight. ... ERA-Ethiopia-2011-LVRDesignManualAFDraft-ERA-v110610. Uploaded by.

  • Pdf Reuse Of Waste Plastic For Flexible Pavement

    Ethiopia has a large network of metro cities ... (ERA), Pavement design ... The analyses of test results show that the performance of PE-modified asphalt mixtures are better when compared to ...

  • Hot Mix Asphalt Pavement Design Guide

    asphalt pavement if desired) while meeting stringent air quality standards. 3 ASPHALT PAVING MIXTURES The pavement design requires the proper hot mix asphalt paving mixtures for the base and surface pavements. It is important that a Job Mix Formula for the paving mixture be established for and approved by the engineer.

  • Pdf The Federal Democratic Republic Of Ethiopian Roads

    THE FEDERAL DEMOCRATIC REPUBLIC OF ETHIOPIAN ROADS AUTHORITY 2013 PAVEMENT DESIGN MANUAL VOLUME I FLEXIBLE PAVEMENTS. Zinegnaw Amhara. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper. Download PDF.

  • Laboratory Manual Of Test Procedures

    Compacted Bituminous Mixtures Uncompacted Void Content Of Fine Aggregate (As Influenced By Particle Shape, Surface Texture And Gradin g) Reducing Field Samples of Aggregate to Testing Size Resistance of Coarse Aggregate to Degradation by Abrasion in

  • Astm D6925 15 Standard Test Method For Preparation And

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.. ASTM Standards. D8 Terminology Relating to Materials for Roads and Pavements. D979/D979M Practice for Sampling Bituminous Paving Mixtures. D1188 Test Method for Bulk Specific Gravity and Density of

  • Environmental Impact Assessment 71

    7. ENVIRONMENTAL IMPACT ASSESSMENT 7.1 ENVIRONMENTAL ASSESSMENT PROCESS The main objective of the Environmental Impact Assessment (EIA) is to evaluate

  • Experimental Investigation On Material Quality

    specified by ASTM D1559 several hot asphalt mixture were prepared, the aggregate blend made by Job mix formula to obtain the percentage of mix material is give Hot-bin one is 26%, Hot-bin two is 23%, and Hot-bin three 51% where hot-bin one is (20-13.2mm), hot-bin two (13.2-5.0mm)

  • Era Sponsored Road Sector Post Graduate Program

    Building Systems in Ethiopia Yitbarek Firew Bahir Dar university 13 Construction Technology Management(CoTM) Assessing material wastage in building construction sites the case of university in Tigray, Ethiopia KIFLOM BIRHANE Mekelle university ERA Sponsored Road Sector Post Graduate Program Students Thesis work -M.Sc. Engineering

  • Division Of Materials And Tests Tngov

    AASHTO T 164 - Quantitative Extraction of Bitumen form Bituminous Paving Mixtures AASHTO T 166 - Bulk Specific Gravity of Compacted Bituminous Mixtures Using Saturated Surface-Dry ... Cheating on any level of the exam WI LN O TB ERA D and will result in immediate expulsion from the course and notification to superiors.

  • Chapter 5 Design Standards And Specifications

    IRC 5-1998 - Section I- General Features of Design (Seventh Revision) IRC 6-2014 - Section II- Loads and Stresses (Revised Edition) IRC 112-2011 - Code of

  • Standard Construction Specifications For

    AASHTO T-195 Test for Coated Particles for Bituminous Mixtures AASHTO T-168 Sampling Bituminous Paving Mixtures AASHTO T-304 Uncompacted Void Content of Fine Aggregate (Fine Aggregate Angularity) AASHTO T-308 Determining the Asphalt Content of Hot Mix Asphalt (HMA) by Ignition Method AASHTO T-209 Theoretical Maximum Specific Gravity and Density ...

  • Stabilization Of Deficient Soils In Ethiopia A Review

    Stabilization of Deficient Soils in Ethiopia - A Review Fitsum Markos Deboch MSc, Department of civil Engineering, Wolaita Sodo University, Wolaita sodo, Ethiopia Abstract In Ethiopia the construction of road is increasing from time to time. Likewise, there is increasing demand of naturally occurring construction materials.

  • Jimma University Jimma Institute Of Technology Post

    My gratitude also goes to the Ethiopian Road Authority (ERA) for their sponsorship of this program and supporting all times with work in partnership course carried out as part of agreements signed between Ethiopian Road Authority and Jimma University.

  • Ethiopian Construction Construction In Ethiopia

    For example the road which constructed as a highway upgraded Asphalt in Ethiopia would be of a quality for street roads in a town in America(USA) ii)Available resources The available materials in different countries may differ i.e. the material we found in Ethiopia in abundance may not be found in another country or it may be scare resource ...

  • Asphalt Mixtures Using Reclaimed Asphalt Containing

    This project was initiated by ERA-NET ROAD. RECYPMA Asphalt Mixtures Using Reclaimed Asphalt containing Polymer Modified Binder Deliverable Nr.4.1 June 2013 The Netherlands Organization for Applied Scientific Research (TNO), the Netherlands Delft University of Technology (DUT), the Netherlands The University of Zilina (UNIZA), Slovakia

  • Evaluation Of The Performance Of Brick Dust As A Filler

    influence of natural mixture ingredients, such as filler 2. Mineral fillers were originally added to the dense-graded HMA paving mixtures to fill the voids in the aggregate skeleton and to reduce the voids in the mixture 4. The filler used in the asphalt mixture is known to affect the mix design, especially the optimum asphalt content.

  • Super User Author At Construction In Ethiopia Page 2 Of 3

    Yetebaberut Beherawi Petroleum S.CO. Tel 011 440 09 65. Addis Ababa, Ethiopia. TAF Oil PLC. Tel 011 372 47 72

  • History Of Road Building In Ethiopia In Brief Eragovet

    History of Road Building in Ethiopia in Brief Historic chronicles of the 17th and 18th centuries show that there were a number of small roads trails and foot paths, in addition to the traditional shoulder porterage, animals like mules, donkeys and horses and camels were used as a means of transportation in Ethiopia.

  • Application Of Sawdust Ash As Filler Material

    hardness, toughness, relative density and shape were chosen and taken from , the Jimma district Ethiopian Road Authority (ERA) quarry site. The physical properties of aggregates are summarized in Table 1. Bitumen 60/70 penetration grade was taken from Jimma district ERA batch plant. The properties ofthe bitumen are presented in Table 2.

  • Section 13 Hot Mix Asphalt Hma Pavement 131

    HMA mixtures is that PG 58-28 and PG 6428 -are only to be used with mixtures that include more than 15% of recycled asphalt products, RAP, by weight. A