แจแจแณ
แชแแญแฐแญ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แชแแญแฐแญ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
โค1
แจแจแณ
แชแแญแฐแญ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แชแแญแฐแญ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แจแจแณ
แขแตแฎแตแซแ แแซแแต แแแขแต 22 แแ 2018 แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แขแตแฎแตแซแ แแซแแต แแแขแต 22 แแ 2018 แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แจแจแณ
แ แฒแต แแแ แแแขแต 22 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 22 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แจแจแณ
แ แฒแต แแแ แแแขแต 22 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 22 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
โค1
แจแจแณ
แ แฒแต แแแ แแแขแต 22 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 22 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แจแจแณ
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
โด๏ธแจแจแณ
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แจแจแณ
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
โค1
แจแจแณ
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
แ แฒแต แแแ แแแขแต 23 แแ 2018
แ. แ แแตแ แแญ แจแฐแแฐแฐ
https://t.me/ETCONpWORK
@etconp
โค4๐2
๐Please Subscribe Our Youtube Channel๐
https://youtube.com/@ethiopianconstruction7?si=ils307xXQQpIdCwG
@etconp
https://youtube.com/@ethiopianconstruction7?si=ils307xXQQpIdCwG
@etconp
๐ฅฐ2
๐JOB VACANCY
๐ซYawit Engineering PLC invites all qualified and interested candidates to submit their applications.
๐ทPlease complete the application process by uploading your CV and relevant testimonials via our official recruitment portal below via Google Form๐
( https://forms.gle/1AhTQHFBDatPHXSS7)
@etconp
๐ซYawit Engineering PLC invites all qualified and interested candidates to submit their applications.
๐ทPlease complete the application process by uploading your CV and relevant testimonials via our official recruitment portal below via Google Form๐
( https://forms.gle/1AhTQHFBDatPHXSS7)
@etconp
โค6
๐แจแจแจแณ แแตแณแแแซ
๐งแจแฐแฅ แคแแ แคแ แฎแญแต แแญแต แแฅ แจแจแณ
@etconp
๐งแจแฐแฅ แคแแ แคแ แฎแญแต แแญแต แแฅ แจแจแณ
@etconp
โค4
๐Cyclopean concrete
๐ทIt is a type of mass concrete that contains large embedded stones or boulders within the concrete matrix.
๐Hereโs the idea in simple terms:
๐ทWhat it is: Concrete in which large stones (called โplumsโ) are placed while the concrete is still wet.
๐ทStone size: Typically much larger than normal aggregateโoften 150 mm to several hundred millimeters in size.
๐Purpose
๐Reduce the amount of cement and fine aggregate needed (cost-saving)
๐Increase bulk and stability.
๐ฒWhere itโs used:
๐Foundations
๐Retaining walls
๐Dams
๐Massive gravity structures
๐Key characteristics:
๐Not reinforced (generally plain concrete)
๐Stones are placed manually and spaced so they donโt touch each other
๐Concrete fills the gaps and binds everything together.
๐Why the name โCyclopeanโ?
โบIt comes from ancient โCyclopean masonry,โ where huge stones were used in constructionโsuggesting massive, rugged work.
@etconp
๐ทIt is a type of mass concrete that contains large embedded stones or boulders within the concrete matrix.
๐Hereโs the idea in simple terms:
๐ทWhat it is: Concrete in which large stones (called โplumsโ) are placed while the concrete is still wet.
๐ทStone size: Typically much larger than normal aggregateโoften 150 mm to several hundred millimeters in size.
๐Purpose
๐Reduce the amount of cement and fine aggregate needed (cost-saving)
๐Increase bulk and stability.
๐ฒWhere itโs used:
๐Foundations
๐Retaining walls
๐Dams
๐Massive gravity structures
๐Key characteristics:
๐Not reinforced (generally plain concrete)
๐Stones are placed manually and spaced so they donโt touch each other
๐Concrete fills the gaps and binds everything together.
๐Why the name โCyclopeanโ?
โบIt comes from ancient โCyclopean masonry,โ where huge stones were used in constructionโsuggesting massive, rugged work.
@etconp
โค11๐3
๐What Is Traffic Engineering?
โข A branch of civil engineering that deals with the safe, efficient movement of people and goods on roadways.
โข Focuses on road design, traffic flow, signs & signals, and control systems.
โข In Ethiopia, it's guided by ERA manuals and urban traffic policies.
๐ Core Objectives
โข Balance mobility and safety for drivers, cyclists, and pedestrians.
โข Minimize congestion, delays, accidents, and environmental impacts.
โข Optimize intersection design, signal timing, and vehicle capacity.
๐ Key Elements of Traffic Engineering
โข Traffic Flow: Measured using volume, speed, and density (fundamental diagram).
โข Control Devices:
โโ- Signs (regulatory, warning, guide)
โโ- Signals (traffic lights)
โโ- Markings (lanes, arrows, zebra crossings)
โข Traffic Studies:
โโ- Volume counts
โโ- Speed studies
โโ- Origin-destination surveys
โโ- Parking & accident analysis
๐ Intersection & Signal Design
โข Controlled using STOP/SLOW signs or traffic lights, based on flow volume.
โข Signal timing must consider pedestrian crossing, peak hours, and turning movement.
โข Ethiopia uses manuals from ERA and local authorities like AACRA for design specs.
๐ Challenges in Ethiopia
โข Narrow roads, poor signage, and weak enforcement affect safety.
โข High pedestrian volume in Addis Ababa requires integrated planning.
โข Informal public transport (minibus taxis) causes unpredictable traffic flow.
Don't forget to share!
@etconp
โข A branch of civil engineering that deals with the safe, efficient movement of people and goods on roadways.
โข Focuses on road design, traffic flow, signs & signals, and control systems.
โข In Ethiopia, it's guided by ERA manuals and urban traffic policies.
๐ Core Objectives
โข Balance mobility and safety for drivers, cyclists, and pedestrians.
โข Minimize congestion, delays, accidents, and environmental impacts.
โข Optimize intersection design, signal timing, and vehicle capacity.
๐ Key Elements of Traffic Engineering
โข Traffic Flow: Measured using volume, speed, and density (fundamental diagram).
โข Control Devices:
โโ- Signs (regulatory, warning, guide)
โโ- Signals (traffic lights)
โโ- Markings (lanes, arrows, zebra crossings)
โข Traffic Studies:
โโ- Volume counts
โโ- Speed studies
โโ- Origin-destination surveys
โโ- Parking & accident analysis
๐ Intersection & Signal Design
โข Controlled using STOP/SLOW signs or traffic lights, based on flow volume.
โข Signal timing must consider pedestrian crossing, peak hours, and turning movement.
โข Ethiopia uses manuals from ERA and local authorities like AACRA for design specs.
๐ Challenges in Ethiopia
โข Narrow roads, poor signage, and weak enforcement affect safety.
โข High pedestrian volume in Addis Ababa requires integrated planning.
โข Informal public transport (minibus taxis) causes unpredictable traffic flow.
Don't forget to share!
@etconp
โค10
๐แฅแตแช แญแบ แจแแแญแ
แซ แ
แแ แจแแซแแแ
แคแฐแฐแฃแฝแ แแต แแ แญแ แ แแแแต แ แแแต๐
https://docs.google.com/forms/d/e/1FAIpQLScxuj8BwchCBMLpUFmalo9x7p7-OwoSvEC36n6HBMc9kIa5Vw/viewform?usp=preview
https://docs.google.com/forms/d/e/1FAIpQLScxuj8BwchCBMLpUFmalo9x7p7-OwoSvEC36n6HBMc9kIa5Vw/viewform?usp=preview
Google Docs
Research Title: ASSESSING PROJECT RISKS, A BEHAVIOR ASPECT FOR PROJECT SUCCESS: IN CASE Of PUBLIC BUILDING PROJECTS IN ADDIS ABABA.
Dear participant,
Thank you for taking the time to complete this questionnaire. My name is Amanuel Belete Mamo, and I am a Masterโs candidate in Civil Engineering at Addis Ababa Science and Technology University, specializing in Construction Technologyโฆ
Thank you for taking the time to complete this questionnaire. My name is Amanuel Belete Mamo, and I am a Masterโs candidate in Civil Engineering at Addis Ababa Science and Technology University, specializing in Construction Technologyโฆ
๐6โค3
๐
โQ1: What does 1:2:3 concrete mix mean?
โ Answer:
It means 1 part cement : 2 parts sand : 3 parts coarse aggregate by volume.
โ Q2: What is the strength of 1:2:3 concrete?
โ Answer:
Approx. 20 MPa (N/mmยฒ) at 28 days
Equivalent to M20 grade concrete
โ Q3: What is the formula to calculate compressive strength?
โ Answer:
fck = P/A
fck= compressive strength
P= failure load (N)
A = loaded area (mmยฒ)
โ Q4: What is the ideal water-cement ratio for 1:2:3 mix?
โ Answer:
๐ Typically 0.45 โ 0.60
Lower ratio = higher strength
Higher ratio = lower strength
โ Q5: How much strength is gained in 7 days?
โ Answer:
๐ About 65%โ70% of 28-day strength
โ Q6: What are the common uses of 1:2:3 concrete?
โ Answer:
โ Slabs
โ Beams
โ Columns
โ Footings
โ General RCC work
โ Q7: How to calculate material quantity for 1 mยณ concrete?
โ Answer (Approx):
Cement = 6โ7 bags (โ 300โ350 kg)
Sand = 0.44 mยณ
Aggregate = 0.88 mยณ
๐ Based on dry volume factor โ 1.54
โ Q8: Why actual strength differs from theoretical strength?
โ Answer:
Because of:
Poor mixing
Improper curing
Excess water
Low-quality materials
Lack of compaction
โ Q9: What happens if water is too much?
โ Answer:
โ Reduces strength
โ Causes cracks
โ Increases porosity
โ Q10: What is the curing time required?
โ Answer:
๐ Minimum 7 days (normal)
๐ Best practice 14โ28 days
โ Q11: Is 1:2:3 mix still recommended?
โ Answer:
๐ For small works โ๏ธ
๐ For major structures โ (Use design mix)
โ Q12: What test is used to check strength?
โ Answer:
โ Cube Test (150ร150ร150 mm)
โ Cylinder Test
@etconp
Important Notes For Civil Engineering Student โQ1: What does 1:2:3 concrete mix mean?
โ Answer:
It means 1 part cement : 2 parts sand : 3 parts coarse aggregate by volume.
โ Q2: What is the strength of 1:2:3 concrete?
โ Answer:
Approx. 20 MPa (N/mmยฒ) at 28 days
Equivalent to M20 grade concrete
โ Q3: What is the formula to calculate compressive strength?
โ Answer:
fck = P/A
fck= compressive strength
P= failure load (N)
A = loaded area (mmยฒ)
โ Q4: What is the ideal water-cement ratio for 1:2:3 mix?
โ Answer:
๐ Typically 0.45 โ 0.60
Lower ratio = higher strength
Higher ratio = lower strength
โ Q5: How much strength is gained in 7 days?
โ Answer:
๐ About 65%โ70% of 28-day strength
โ Q6: What are the common uses of 1:2:3 concrete?
โ Answer:
โ Slabs
โ Beams
โ Columns
โ Footings
โ General RCC work
โ Q7: How to calculate material quantity for 1 mยณ concrete?
โ Answer (Approx):
Cement = 6โ7 bags (โ 300โ350 kg)
Sand = 0.44 mยณ
Aggregate = 0.88 mยณ
๐ Based on dry volume factor โ 1.54
โ Q8: Why actual strength differs from theoretical strength?
โ Answer:
Because of:
Poor mixing
Improper curing
Excess water
Low-quality materials
Lack of compaction
โ Q9: What happens if water is too much?
โ Answer:
โ Reduces strength
โ Causes cracks
โ Increases porosity
โ Q10: What is the curing time required?
โ Answer:
๐ Minimum 7 days (normal)
๐ Best practice 14โ28 days
โ Q11: Is 1:2:3 mix still recommended?
โ Answer:
๐ For small works โ๏ธ
๐ For major structures โ (Use design mix)
โ Q12: What test is used to check strength?
โ Answer:
โ Cube Test (150ร150ร150 mm)
โ Cylinder Test
@etconp
๐12โค10
๐JOB VACANCY
๐ทWash and Shelter Technical Assistant Ethiopia Jigjiga
โญ๏ธProfessional competencies:
โบBachelorโs degree in civil/water engineering, Construction management, Architectural engineering or related field.
โบMinimum 2 yearsโ experience in water and construction, preferably in humanitarian settings.
โบProven experience in rural water supply systems, and operations.
โบProven experience in building construction
โบStrong skills in Microsoft basic applications
โบAdvanced skills in Civil engineering software (e.g., AutoCAD, BIM, WaterCAD, Epanet)
โบTechnical report writing.
โบNGO experience
โบFluency in English (written and spoken).
โบKnowledge of Somali language.
๐ฉApply Here๐
https://ekum.fa.em2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_2019/job/20571?utm_medium=jobshare
@etconp
๐ทWash and Shelter Technical Assistant Ethiopia Jigjiga
โญ๏ธProfessional competencies:
โบBachelorโs degree in civil/water engineering, Construction management, Architectural engineering or related field.
โบMinimum 2 yearsโ experience in water and construction, preferably in humanitarian settings.
โบProven experience in rural water supply systems, and operations.
โบProven experience in building construction
โบStrong skills in Microsoft basic applications
โบAdvanced skills in Civil engineering software (e.g., AutoCAD, BIM, WaterCAD, Epanet)
โบTechnical report writing.
โบNGO experience
โบFluency in English (written and spoken).
โบKnowledge of Somali language.
๐ฉApply Here๐
https://ekum.fa.em2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_2019/job/20571?utm_medium=jobshare
@etconp
NRC NORCAP Careers
Wash and Shelter Technical Assistant Ethiopia Jigjiga
NRC Ethiopia is looking to hire WaSH and Shelter Technical Assistant to be based at Somali region - Gura damole. The WASH & Shelter Technical Assistant supports planning, implementation, quality assurance and monitoring of WASH and shelter activities to ensureโฆ
โค5๐3
๐JOB VACANCY
โญ๏ธProject Planning Engineer ๐๏ธ
๐ฐPrime Engineering PLC
๐ฒJob Overview
โบSalary Offer ๐ฐ As per Company Scale
โบExperience Level ๐ Senior
โถ๏ธTotal Years Experience โณ 3-4
โบDate Posted ๐ April 3, 2026
โก๏ธDeadline Date โฐ April 13, 2026
๐Job specification
๐น Develop and maintain project schedules using tools like Microsoft Project
๐น Prepare work plans, timelines, and progress reports
๐น Monitor project progress and compare it with planned schedules
๐น Identify delays and propose corrective actions
๐น Coordinate with site engineers, project managers, and contractors
๐น Prepare daily, weekly, and monthly reports
๐น Assist in resource planning and procurement (labor, materials, equipment) ๐ ๏ธ
๐น Track milestones and deadlines
๐น Analyze productivity and performance trends
๐น Prepare look-ahead schedules (short-term planning)
๐น Maintain project records and documentation ๐
๐น Support tendering and project documentation
โ๏ธJob Requirement
๐ Education and Experience:
Bachelorโs degree in Civil engineering
โบThree (3) and above year work experience
โบProcurement experience is a plus. โจ
๐ทKey skills required
โ Proficiency in MS Office
โ Planning and project management skills
โ Analytical and problem-solving skills
๐ต Salary: As per organizationโs scale
๐ Location: Addis Ababa
๐ฉHow to Apply
โบInterested applicants are invited to submit their documents and CV by email within 5 working days from the date of announcement โ
๐ง E-mail Address: Talent@primeengineeringet.com
๐ Tel: 0996-375708
Prime Engineering PLC, Addis Ababa, Ethiopia
๐ข Biserate Gebreal, Boran BLDG 1st floor, Office number 115
@etconl
โญ๏ธProject Planning Engineer ๐๏ธ
๐ฐPrime Engineering PLC
๐ฒJob Overview
โบSalary Offer ๐ฐ As per Company Scale
โบExperience Level ๐ Senior
โถ๏ธTotal Years Experience โณ 3-4
โบDate Posted ๐ April 3, 2026
โก๏ธDeadline Date โฐ April 13, 2026
๐Job specification
๐น Develop and maintain project schedules using tools like Microsoft Project
๐น Prepare work plans, timelines, and progress reports
๐น Monitor project progress and compare it with planned schedules
๐น Identify delays and propose corrective actions
๐น Coordinate with site engineers, project managers, and contractors
๐น Prepare daily, weekly, and monthly reports
๐น Assist in resource planning and procurement (labor, materials, equipment) ๐ ๏ธ
๐น Track milestones and deadlines
๐น Analyze productivity and performance trends
๐น Prepare look-ahead schedules (short-term planning)
๐น Maintain project records and documentation ๐
๐น Support tendering and project documentation
โ๏ธJob Requirement
๐ Education and Experience:
Bachelorโs degree in Civil engineering
โบThree (3) and above year work experience
โบProcurement experience is a plus. โจ
๐ทKey skills required
โ Proficiency in MS Office
โ Planning and project management skills
โ Analytical and problem-solving skills
๐ต Salary: As per organizationโs scale
๐ Location: Addis Ababa
๐ฉHow to Apply
โบInterested applicants are invited to submit their documents and CV by email within 5 working days from the date of announcement โ
๐ง E-mail Address: Talent@primeengineeringet.com
๐ Tel: 0996-375708
Prime Engineering PLC, Addis Ababa, Ethiopia
๐ข Biserate Gebreal, Boran BLDG 1st floor, Office number 115
@etconl
โค6
๐JOB VACANCY
๐BSC Degree Architecture
๐ฒ8 Years Experience
๐ทApplication procedure
๐ฉPlease send your complete CV to the email ovidrespan@gmail.com
โ๏ธOnly selected candidates will be contacted via phone call for an interview
@etconp
๐BSC Degree Architecture
๐ฒ8 Years Experience
๐ทApplication procedure
๐ฉPlease send your complete CV to the email ovidrespan@gmail.com
โ๏ธOnly selected candidates will be contacted via phone call for an interview
@etconp
โค5๐2๐ฅฐ1