ERA Manual, "Standard Technical Specification", 2002.
Aggregate mixtures blended without filler and with NSD filler were investigated to evaluate their Marshall properties on HMA mixtures. Four varying percentages of NSD ranging from (2% - …
Determining the Physical Properties of Aggregate Products …
The physical, chemical and mechanical properties of the entire limestones sample comply with the required standards, suggesting their suitability as aggregate materials in road construction.
INFLUENCE OF VARIATIONS IN AGGREGATE …
Most of the time, natural sands in Ethiopia are failing to meet the standard requirements set in ERA (Ethiopian Roads Authority) standard technical Specification 2013, for gradation for use in …
road construction aggregates mining in ethiopia
Home--> era ethiopian road specification requirement for concrete aggregate . ... all kinds of concrete aggregates for construction, building, road ... aggregate production in india - Crusher South Africa
Determining the Physical Properties of Aggregate …
For the determination of the suitability of coarse aggregates as a road base construction material, conducting an appropriate physical test was essential. The study was carried out to determine …
era ethiopian road specification requirement for concrete aggregate
ethiopian road specification requirement for concrete aggregate T06:05:14+00:00 [DOC] Specification Ethiopian Construction Aggregate shall consist of either new aggregate (Case 1), or aggregate present in the existing road (Case 2), whichever i
era ethiopian road specification requirement for concrete aggregate
Home >> Concrete >> era ethiopian road specification ... requirement for concrete aggregate; ... era ethiopian road specifizenithion … . era ethiopian road specifiSBMion requirement for concrete aggregate … era ethiopian road specifiSBMion ... era ethiopian road specification requirement for ... Concrete crusher aggregate in ...
ERA Standard Drawings 2013-final.pdf
standard detailed drawings 2013 ethiopian roads authority page 6 table of contents bridge drawings b-01 general note b-02 6.0m span rc slab bridge width 7.30m. superstructure b-03 8.0m span rc slab bridge width 7.30m. …
ERA Manual, "Standard Technical Specification", 2002.
Where G-1 is Coarse Aggregate 3/4, G-2 is Intermediate Aggregate 3/8, G-3 is Fine Aggregate, and G-4 is NSD filler. Based on Marshall test results, the OBC was found 5.1% by the total asphalt mix. Furthermore, examining Marshall mixes containing different percentages of filler showed the optimum percentage of NSD was 6%.
availabliy of aggregate for concrete in ethiopia
[17] Mikyas, A.; Concrete making properties of light weight aggregate concrete made with Ethiopian pumice and scoria, 1970, M.Sc. thesis, ... This page is provide professional era ethiopian road specification requirement for concrete aggregate information for you, ...
MATERIAL SPECIFICATION FOR AGGREGATES
This specification covers material requirements for aggregates for use in hydraulic cement concrete. 1002.02 REFERENCES : This specification refers to the following standards, specifications, or publications: ... For the purposes of this specification, the concrete for LS-412 shall be proportioned with 355 kg/m. 3: of
Evaluation of the effect of recycled waste plastic bags on …
test results met the Ethiopian Road Authority (ERA, 2013) specifications. 2 Materials and methods The raw materials like aggregate, bitumen, and WPBs are collected and properties of each material are studied in Bahir Dar University, Faculty of Civil and Water Resources Engineering and Ethiopian Institute of
Crushed Ambo Sandstone as a Partial Replacement of Sand …
Conventionally concrete made by aggregate and binders. Mostly. The construction industry in Ethiopia is rapidly growing from time to time. ... American Concrete Institute ASTM American Society for Testing and Materials EBCS Ethiopian Building Code Standard ERA Ethiopian Road Authority CAS Crushed Ambo Sandstone CA Coarse Aggregate FA Fine ...
sbm era ethiopian road specification requirement for concrete aggregate
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4.1 Flexible Pavement Design Manual 2013.pdf
Pavement Design Manual Volume 1 Flexible Pavements - 2013 Preface Ethiopian Roads Authority Page iii Additional Specifications are required for implementation of the manual recommendations on site. These Specifications are normally a subset of the details in the manual, but with extra criteria to cater for construction-related issues. The manual includes pavement …
ERA Standard Drawings 2013-final.pdf
standard detailed drawings 2013 ethiopian roads authority page 6 table of contents bridge drawings b-01 general note b-02 6.0m span rc slab bridge width 7.30m. superstructure b-03 8.0m span rc slab bridge width 7.30m. superstructure b-04 10.0m span rc slab bridge width 7.30m. superstructure b-05 12m span rc deck girder width 7.30m. superstructure; sheet 1/2 b …
Determining the Physical Properties of Aggregate …
the ERA, AASHTO, and ASTM specification requirements. Finally the research group concluded the study by providing essential recommendation for further study on the suitability of aggregate qualities for road base construction around the study area, so …
INFLUENCE OF VARIATIONS IN AGGREGATE …
ERA (Ethiopian Roads Authority) standard technical Specification 2013, for gradation for use in cement concrete. Besides, the grading envelop for course aggregate is also very narrow and it is
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The document contains the standard specifications for roadworks by the Ethiopian Roads Authority.
Influence of Variations in Aggregate Gradations on Selected …
Most of the time, natural sands in Ethiopia are failing to meet the standard requirements set in ERA (Ethiopian Roads Authority) standard technical Specification 2013, for gradation for use in cement concrete. Besides, the grading envelop for course aggregate is also very narrow and it is sometimes very difficult to find an aggregate falling within the specification limit.
Determining the Physical Properties of Aggregate Products …
1 10 100. sieve size. MAX MIN SAMPLE. Figure 1: Sieve test value for coarse aggregate % = . 100.. (1) Discussions: In road construction while working with HMA Concrete is primarily used on the surface of pavements, there are several underlying layers that play a critical role in the performance of a pavement.
The Need for Standardization of Aggregates for …
The sources and modes of production of coarse and fine aggregates in the Ethiopian construction industry are assessed. The properties of some aggregate samples, ... construction works are taking place, are discussed. The test results are compared with the standard requirements and concrete compressive strength data's obtained using different ...
4.1 Flexible Pavement Design Manual 2013.pdf
Pavement Design Manual Volume 1 Flexible Pavements - 2013 Preface Ethiopian Roads Authority Page iii Additional Specifications are required for implementation of the manual recommendations on site. These …
ethiopian roads authority standard cement required for class a concrete
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-BJTS-05 of the Standard … as fly ash or ...
Technical Specifications (Batcoda) | PDF | Specification …
This document provides technical specifications and methods of measurement for construction of buildings in Ethiopia. It was prepared by SB Consult and reviewed by a committee of professionals from Addis Ababa University and BaTCoDa. The document covers general requirements for construction projects, including site descriptions, quality assurance measures, …
ERA Review Final v1 4
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, each with their own government, president and cabinet. 3.
ERA 2002
ERA 2002 - Bridge Design Manual - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. This document is the Bridge Design Manual-2002 published by the Ethiopian Roads Authority (ERA). It contains 16 chapters that provide guidance on various aspects of bridge design, such as load requirements, substructure design, reinforced concrete, …
EVALUATION OF SUITABILITY OF COARSE …
aggregates for concrete use is evaluated. 3.2.1 Aggregate crushing value . The aggregate crushed value result is summarized in Table 4.1. As can be noted from this Table, some variation in the average aggregate crushed values was found for the samples from ten sites 10 samples. Each standard specification of ASTM C 503 requirement which is 30%.
Aggregate classification by using AASHTO and USCS
The engineering properties of extracted Reclaimed asphalt pavement aggregate and the fresh crushed aggregate were identified based on standard specification before starting the Marshall Mix design ...
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ERA Standard Bidding Doc for DBB 2012 EC (V.2019.1) ... (V.2019.1) ERA Quality Manuals. Standard Technical Specifications and Method of Measurement for RoadWORKS . Quality Manual Vol 5 Environmental & Social Management …