era ethiopian road specification requirement for concrete aggregate

ACCREDITATION REPORT Ethiopian Roads Authority

concrete. This is due to lack of confidence in the road construction industry in the use of thin ... The training was carried out at the Ethiopian Road Authority's Alemgena Training and Testing Centre (ATTC) near Addis Ababa. ... including any relevant comments on the ERA Standard Technical Specification 2002, Series 6000.

era ethiopian paved roads asphalt specifiions

In 2002, the Ethiopian Roads Authority (ERA) first brought out road design manuals to ... specifications and bidding documents that are written for the practicing engineer in. ... For asphalt pavement and concrete pavement (both ... Ethiopian Road Authority (ERA), Ethiopian Road ... and ERA manuals. Field inspection of Chancho-Dreba-Bocho road ...

Concrete - Wikipedia

Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. In the past limebased cement binders were often used, such as lime putty, but sometimes with other hydraulic cements, such as a calcium aluminate cement or with Portland cement to form Portland cement concrete (named for its visual ...

Recycling Fine Aggregate from Demolished Hollow Concrete ...

Page 1 of 10 Recycling Fine Aggregate from Demolished Hollow Concrete Block for Green Concrete in Ethiopia Lucy Feleke Nigussie1*, Muge Mukaddes Darwish 2 and Tewodros Ghebrab 1Department of civil and Environmental Engineering, Jimma University Institute of Technology, Jimma, Ethiopia 2Department of Civil, Environmental and Construction Engineering, Texas Tech University, Texas

NOTICE OF INVITATION FOR BIDS - era.gov.et

and Build Road Project 72 AC 3.0 Years DB ICB Note: - DB = Design and Build; ICB = International Competitive Bidding; and AC = Asphalt Concrete 2. The Ethiopian Roads Authority now invites bidders to submit sealed bids for providing the necessary labor, material and equipment for construction works of the above road projects. 3.

Construction Machinery in Ethiopia | Construction In Ethiopia

May 07, 2015· Ethiopian Roads Authority ERA Sponserd MSc Progam 2018; Ethiopian Contractors registration Requirements 2018; Ethiopian Roads Authority ERA Sponserd MSc Progam; ERA Awards the Most Expensive Road Project; Third Expressway to be constructed; Passanger Terminals to be constructed for Semera & Hawassa Airports; MSC Program Sponsored By ERA 2017

PART A

implemented on the ground, Ethiopian Roads Authority (ERA) has developed its first comprehensive national road design manual, technical specifications and bidding documents specifically for low volume roads. The task was completed with the assistance of a team of international experts

Crushed Rock Highway Construction Material Requirement

Base Aggregate gradation requirement for ... crushed rock highway construction material ... Know More 15 Spec - Section 301 General Requirements for Base Aggregates

crushing plant and its specifisbmion in turkey

era ethiopian road specifizenithion … era ethiopian road specifiSBMion requirement for concrete aggregate ... quicklime with pozzolan to enhance its hydraulic properties and ... Crushing Plant in ... Get Price; crushed density … SpecifiSBMion for basecourse ... density of 10 mm stone aggregate crushing plant,2 Aug 2013,what is the density ...

Cost and Benefit Analysis of Rigid and Flexible Pavement ...

Ethiopian Road, Sector Development Program (RSDP) expenditures was allocated for therehabilitation and upgrading roads, 28.8% construction of link roads, for 5.7% for maintenance of Federal roads, 8% Regional of road and 11.7% of Woreda roads, 2.8% of Institutional support projectsand other activities at the F, ederal level.

TEWODROS ALENE BERHE - Pavement, Materials & Geotechnical ...

1. Peer Review Member for ERA Road Design Manuals, Specifications & Bidding Documents 1. Project Engineer for Consulting Services for a Preliminary Study toward establishment of Road Research ...

Suitability of Scoria as Fine Aggregate and Its Effect on ...

and whether it satisfies the specification requirement in accordance with ASTM C33 and C136 [30,31] for use as a fine aggregate in concrete production. The series of standard sieves of square openings were placed in consecutive sizes in which the largest sieve size was placed at the top and the smallest was at the bottom, followed by a pan.

Concrete testing services | Hanson UK

Hanson Concrete's national laboratory is fully equipped to provide a range of testing services in accordance with British and European Standards. We offer on-site sampling and testing to help demonstrate compliance with your concrete specification requirements, as well as a collection and testing service for site manufactured samples.

Specification - Ethiopian Construction

Aggregate shall consist of either new aggregate (Case 1), or aggregate present in the existing road (Case 2), whichever is called for in the Project Specifications. The percentage of bituminous material, by weight, to be added to the aggregate will usually be between 3.5 and 7 percent of the weight of the dry aggregate.

Best Practice Manual for Thin Bituminous Surfacings 2013

Ethiopian Roads Authority Page i FOREWORD The Ethiopian Road Authority (ERA) is implementing various measures to improve capacity in the road construction industry to construct thin bituminous surfacings for rural roads. These initiatives include the development of a …

Block Making Machine In Ethiopia - Aimix Concrete Block ...

3. Ethiopia block making machine uses advanced electronic control technology and reliable hydraulic system, automatic control makes running reliable and easy.. 4. Table mould pressing vibration mode can liquefy concrete and exhaust, ensure bricks has high compactness. So manufacturing block machine in Ethiopia is very suitable for production of high-compactness bricks.

ERA Review Final v1 4 - gov.uk

By 2004 the Ethiopian road network totalled 36,469 km, of which 6,980 km were paved and 29,489 km unpaved (CIA, 2009). There are five levels of road hierarchy in Ethiopia, being: 1. Federal - Ethiopian Road Authority. 2. Regional - Twelve historical regions, …

Machinery - Construction Proxy

MSC Program Sponsored By ERA A study by the Federal Ethics & Anti-Corruption Commission (FEACC), points fingers at the Ethiopian Roads Authority's (ERA) contract awarding practices, for being vulnerable to corruption and cost and time overruns

Girum Teshome - Washington, District Of Columbia ...

Client: Ethiopian Road Authority(ERA) Tasks and Duties *Checking and assuring that the project pavement design is in accordance with the client need which sustain the expected traffic properly.

Concrete Slump Should Not Be Specified | For Construction Pros

Mar 14, 2017· The floor placement is running smoothly. Concrete slumps have ranged from 4 to 6 in.—the specification requirements—and the last truck is on site with about 12,000 cu. yd. of concrete …

PART B - Research4CAP

ERA : Ethiopian Roads Authority ERTTP : Ethiopian Rural Travel and Transport Programme ... A mixture of inert mineral matter, such as aggregate, mineral filler (if required) and bituminous binder in predetermined proportions. ... the construction process to produce the standard of construction as demanded by the specification

Safety first for Hyva | Agg-Net

Built on an 18-tonne gvw DAF LF chassis, one of the first Hyva TRR skipoaders has been supplied to Surrey-based Translease Services. 'The fact is that skiploaders often have to operate in either confined or perhaps semi off-road conditions where container handling can be difficult at best,' said Translease director Tim Scott.

Suitability Investigation of Recycled Concrete Aggregates ...

In developing countries, construction and demolition waste (CDW) is disposed to landfill, causing social, environmental, and economic crises. In these nations, CDW exponentially increase due to their rapid economic growth, industrialization, and urbanization. This paper aims to examine the possibility of recycling concrete waste for production of new concrete in Ethiopia.

BS 8500 concrete | Hanson UK - Hanson UK | Hanson UK

British Standard to BS EN 206 – 1 Concrete is the complementary British Standard to BS EN 206 – 1 and was first published in March 2002.It provides substantial national provisions not covered in BS EN 206 – 1.Both documents replaced BS 5328, Concrete, in December 2003.BS 8500 was updated in November 2006.The standard is in two parts:Method of specifying and guidance for the ...

Road Aggregates for Construction | Requirements ...

Aggregates form the major portion of the pavement structure. Bear stresses occurring on the roads and have to resist wear due to abrasive action of traffic. Aggregates are also used in flexible as well as in rigid pavements. Therefore, the properties of aggregates are of considerable importance to highway. The aggregates to be used in road construction, particularly

Experts | Construction In Ethiopia

May 11, 2015· Ethiopian Roads Authority ERA Sponserd MSc Progam 2018; Ethiopian Contractors registration Requirements 2018; Ethiopian Roads Authority ERA Sponserd MSc Progam; ERA Awards the Most Expensive Road Project; Third Expressway to be constructed; Passanger Terminals to be constructed for Semera & Hawassa Airports; MSC Program Sponsored By ERA 2017

[Tender] - The Authority invites bidders for construction ...

5. If a bidder is awarded and/or recommended for award of any works contract/s by ERA since December 01, 2017 inclusive, the qualification criteria for the construction turnover will be the aggregate of the criteria of the subject project; and that of the awarded contract/s and/or …

cellular lightweight concrete in ppt

7-1 Chapter 7 Engineering Properties of Structural Lightweight Concrete April 2007 Expanded Shale Clay Slate Institute (ESCSI) 2225 E. Murray Holladay Rd Suite 102 Salt Lake City Utah 84117 (801) 272-7070 Fax (801) 272-3377 info escsi.org >

NOTICE OF INVITATION FOR BIDS - era.gov.et

Competitive Bidding; and AC = Asphalt Concrete 2. The Ethiopian Roads Authority now invites bidders to submit sealed bids for providing the necessary labour, material and equipment for construction works of the above road projects. 3. Interested bidders shall submit the following evidence: a.