era ethiopian road specification requirement for concrete aggregate

ERA Standard Specs 2013 | PDF | Specification (Technical

as a percentage of California standard values, required to allow a circular piston of 1 935 mm to. penetrate the surface of a compacted material at a rate of 1.27 mm per minute to depths of 2.54, 5.08. and 7.62 mm. The California standard values for these depths are 13.344, 20.016 and 25.354 kN.

The Design of a Roadway Section using Rigid Pavement and …

The Road Sector Development Plan IV has scheduled an excessively large amount of budget for the maintenance and rehabilitation of existing trunk links on the nation's road network.

(PDF) Cost and Benefit Analysis of Rigid and Flexible

Therefore, it is suggested that Portland Cement Concrete Pavement (PCCP) shall be used in pavement construction to cater local material requirements. .1: Summary of Initial Cost for Flexible ...

(PDF) Cost and Benefit Analysis of Rigid and Flexible Pavement…

Routine and periodic maintenance costs for the Addis Ababa, Ethiopia. p. 3-32. period of 40 years are 1.1 times greater than the initial [5] Authority, E.R., Road, Sector Development Program (1997-2007) report. 2007, Ethiopian Road Authority: construction cost of the same one kilometer stretch for Addis Ababa,Ethiopia. p. 65-66. flexible ...

Addis Ababa University Addis Ababa Institute of …

Laboratory Evaluation of Crushed Concrete Aggregate as Unbounded Base and HMA Surface Course By: Tebarek Abdella ... Table 4. 10 Summary of aggregate quality test results with corresponding ERA specification .. 50 ... ERA- Ethiopian Road Authority FHWA- Federal Highways Agency

Assessing the Performance of Subgrade and Unbounded …

According to ERA FPDM, a maximum value of ACV shall be 25 as per BS 812-110, 1990 standard, a maximum value of aggregate flakiness index shall be 35 as per ERA Specification Manual, the Los Angeles abrasion value shall not exceed 45% when determined in accordance with the requirements of AASHTO T-96(99) standard and AIV …

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era ethiopian road specification requirement for concrete …. Gulin provide the era ethiopian road specification requirement … Home >> Concrete >> era ethiopian road specification … Gulin have the first-class gold procesing …» Free online chat! 4 Concrete Placement. The class or classes of concrete are required to be checked. … Sheet 724 …

JIMMA UNIVERSITY SCHOOL OF GRAUATE STUDIES …

environmental concerns. On the other side, the road traffic and the traffic intensity is increasing; the load bearing capacities of the road should be improved. To deal with the problem, study on use of plastic waste as partial replacement to bitumen is considered in the present work. This paper will help to take care of both those aspects.

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ASSESSMENT OF ROAD PAVEMENT FAILURE ALONG …

Partial fulfilment of the requirements for the degree of Master of Science in Civil Engineering (Geotechnical Engineering) By: Asnake Abate ... ERA-Ethiopian Roads Authority PLC-Private Limited Company Km-Kilo meter cm- Centimeter ... first and second overlay using Asphalt Concrete (ERA-Projects Progress Report No. 1,). DHV …

Determining The Physical Properties of Aggregate …

There are the ERA, AASHTO, and ASTM specification requirements. ... Ethiopian Road Authority, Standard Technical Specifications, Addis Ababa: ... Investigating the …

(PDF) COST AND BENEFIT ANALYSIS OF RIGID AND FLEXIBLE …

The Periodic Maintenance is to be conducted once a year before the rain comes as per the experience of the Ethiopian Road Construction Corporation (ERCC) and Ethiopian Road Authority (ERA) Rehabilitation of Flexible Pavement Considering two (2) times rehabilitation of the flexible pavement in 40 years of the analysis period, the cost was ...

The Federal Democratic Republic of Ethio PDF | PDF | Road …

2013. THE FEDE FEDERAL ERA AL DEMOCR DEMOCRATIC RAT ATIC REPUB REPUBLIC BLLIC OF VOLUME II: RIGID PAVEMENTS. E THIOPIAN R ETHIOPIAN ROADS OADS A AUTHORITY UTHORITY. PAVEMENT DESIGN PAVEMENT DESIGN MANUAL. MANUAL VOLUME II RIGID PAVEMENTS. 2013 Pavement Design Manual …

ASPHALT CONCRETE PERFORMANCE ANALYSIS BY …

ASPHALT CONCRETE PERFORMANCE ANALYSIS BY USING WASTE TIRE AS A PARTIAL REPLACEMNT OF ASPHALT BINDE ... ERA Ethiopian Road Authority DSR Dynamic Shear Rheometer FHWA Federal Highway Agency ... Test Result vs. Specification Requirements of 60/70 Grade Bitumen (ASTM D946)…32 Table 4.2. …

ERA Ethiopian Roads Authority Standard Technical …

Ethiopian Roads Authority. fSeries 2000: Site Clearance Standard Technical Specification -2002 Division 2200: Demolition, Removal, Disposal Or Storage Of Existing Structures …

ADDIS ABABA UNIVERSITY ADDIS ABABA INSTITUTE OF …

The quality test results of the aggregates and the bitumen were met the specification set by ERA. From the aggregate test result the more strong, the higher weathering resistance and the ... AC Asphalt cementAsphalt concrete ... ECS Environmental Conditioning System ERA Ethiopian Road Authority ERSA Evaluator of Rutting and Stripping

(PDF) IJERT-Determining the Physical Properties of …

Table 7: Summary physical properties of coarse aggregates Tests Physical Properties of Arba Minch area natural aggregate Units ` Absorption 0.5% 2 Moisture Content 0.73% 3 Bulk Specific Gravity of Coarse Aggregate …

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FEDERAL DEMOCRATIC REPUBLIC OF ETHIOPIAN …

13. Road Surface potholed 110 Spot Repair Selected Material (P59) 13. Road Surface potholed 111 Spot Repair Crushed Aggregate (P59) 14. Road Surface rutted or uneven, and does not drain to edge (Minor: <3cm) 220 Blade Gravel Road (light) (P63) 15. Road Surface rutted or uneven, and does not drain to edge (Major: >3cm) 221 Blade Gravel Road ...

Abebe Dinku, Prof.Dr.-Ing.

In my research I made concrete C-25, C-30 and C-40 as control mix by standardizing the aggregate to the Ethiopian standard and other recommendation. By …

ASSESMENT OF QUALITY IMPLEMENTATION OF …

Secondly, my deep hearted gratitude to Ethiopian Road Authority (ERA) and Jimma University by giving me the opportunity to avail the scholarship program in pursuing my master's degree in civil engineering (construction engineering and management). Also, I would like to say thanks a lot to all my friends who shared their unselfish help

2013 THE FEDERAL DEMOCRATIC REPUBLIC OF F …

the road network is increasing, appropriate choice of methods to preserve this investment becomes increasingly important. In 2002, the Ethiopian Roads Authority (ERA) first …

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(PDF) Cost and Benefit Analysis of Rigid and Flexible …

The objective of the research is to carry out investment appraisal on road project undertaken using concrete pavement and asphalt pavement and to compare their lifecycle costs and their initial cost of construction. ... (ERA), Ethiopian Road both pavement types as per the typical road section Construction Corporation( ERCC )and ERA manuals. of ...

Determining the Physical Properties of Aggregate …

the ERA, AASHTO, and ASTM specification requirements. ... Normal weight aggregates should meet the requirements of ASTM C-33. There are ... of coarse aggregates for road base construction from Arba

era ethiopian road specification requirement for concrete aggregate

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HAWASSA UNIVERSITY INSTITUTE OF TECHNOLOGY …

Ethiopian Road Authority for giving this opportunity to study this master's program. Thanks also to all my classmates in Hawassa University. Finally, I thank my wife and parents, for their absolute confidence in me. I would like to dedicate my work to all my family for their unconditional love and understanding.

Development of Pavement Design Standards for Low …

Combolcha – Mekaneselam road and 20km from the turnoff on the Combolcha – Dessie Road. The site location is shown on the map in . Figure 2-1. Aggregate for the Otta Seal Construction was obtained from Mitikolo Quarry Plant – 30km from site. Bitumen for the works was heated at a site 30km from the construction site at the heating plant

FEDERAL DEMOCRATIC REPUBLIC OF ETHIOPIAN …

13. Road Surface potholed 110 Spot Repair Selected Material (P59) 13. Road Surface potholed 111 Spot Repair Crushed Aggregate (P59) 14. Road Surface rutted or uneven, …

era ethiopian road specification requirement for concrete aggregate

PART A Research4CAPEthiopia Modjo Hawassa Road Project Phase I Modjo. PART A Part A Introduction to low volume road design Context and scope 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 …