ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 18:28

👉የሁሉም የግንባታ ፈቃድ ቅጽ/ማመልከቻ(form all construction permit) word- in Addis Ababa

@etconp

ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 14:02

👉አዲስ አበባ " ድሮና ዘንድሮ"

🚧የቦሌ - መገናኛ የኮሪደር ልማት እውነታዎች

• መንገዱ የ68 ሜትር ስፋት ያለው ሰፊ መንገድ ነው
• በሁለቱም አቅጣጫ በአንዴ 10 መኪኖችን ማስተናገድ ይችላል
• 5 ሜትር የሚሆን በኮንክሪት የተሠራ የእግረኛ መንገድ አካቷል
• 3 ሜትር ስፋት ያለው የብስክሌት መንገድ በሁለቱም አቅጣጫ ይዟል
• ለመንገዱ ውብት ከመጨመር ባሻገር በቴክኖሎጂ የተደገፈ ካሜራ፣ ስክሪኖችን እና የመኪና ቻርጅ ያሟላ ነው
• ለ450 ለሚሆኑ ዜጎች የሥራ ዕድል መፍጠር ችሏል
• አጠቃላይ ፕሮጀክቱ 4 ነጥብ 3 ኪሎሜትር ይረዝማል

@etconp

ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 11:17

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ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 08:59

👉Calculating Bitumen Asphalt Quantity for Pavement

🏷Understanding the Components Before we delve into the calculations, let's clarify the key components involved in asphalt pavement:

* Bitumen: This is the binder that holds the aggregate (rocks and sand) together. It's a sticky, black substance derived from petroleum.
* Aggregate: This is the granular material that provides the structural strength and stability to the asphalt pavement. It's typically a mixture of crushed stone, gravel, and sand.

🏷Factors Affecting Bitumen Quantity

💫The amount of bitumen required for a pavement project depends on several factors:

* Type of Pavement: Different pavement types (e.g., asphalt concrete, bituminous macadam) have varying bitumen content.
* Traffic Load: Heavier traffic loads necessitate a higher bitumen content to ensure durability.
* Climate: Extreme temperatures and weather conditions can affect the performance of asphalt, influencing the bitumen content.
* Aggregate Type and Grading: The type and size distribution of the aggregate affect how much bitumen is needed to bind it together.

🚧Calculation Steps

* Determine the Volume of Asphalt:
* Calculate the area of the pavement surface: Area = Length × Width
* Multiply the area by the desired thickness of the asphalt layer: Volume = Area × Thickness
* Calculate the Bitumen Content:
* The bitumen content is typically expressed as a percentage of the total asphalt mixture.
* This percentage is determined based on the factors mentioned earlier and is often specified in the project's design specifications.
* Calculate the Quantity of Bitumen:
* Multiply the volume of asphalt by the bitumen content percentage: Bitumen Quantity = Volume × Bitumen Content (%)
* Convert to Metric Tons (Optional):
* If you need the bitumen quantity in metric tons, multiply the volume of bitumen by its density (typically around 1.05 tonnes per cubic meter): Bitumen Quantity (tonnes) = Bitumen Volume (cubic meters) × 1.05 tonnes/cubic meter
Example
Let's assume we have a 100-meter-long road that is 7 meters wide. We want to lay a 5-centimeter-thick asphalt layer, and the bitumen content is specified as 5%.
* Calculate the volume of asphalt:
* Area = 100 meters × 7 meters = 700 square meters
* Volume = 700 square meters × 0.05 meters = 35 cubic meters
* Calculate the bitumen quantity:
* Bitumen Quantity = 35 cubic meters × 0.05 = 1.75 cubic meters
* Convert to metric tons:
* Bitumen Quantity (tonnes) = 1.75 cubic meters × 1.05 tonnes/cubic meter = 1.84 tonnes

⏺Therefore, for this specific example, we would need approximately 1.75 cubic meters or 1.84 metric tons of bitumen.

⭐️Note: This is a simplified calculation. In real-world projects, engineers and contractors use more sophisticated methods and consider various factors to accurately determine the bitumen quantity.

🚧Additional Considerations:

* Waste and Losses: Account for potential waste and losses during transportation, storage, and application.
* Quality Control: Regular testing and quality control measures are essential to ensure the asphalt mixture meets the desired specifications.
* Environmental Regulations: Adhere to local environmental regulations regarding bitumen handling and disposal.
By following these steps and considering the relevant factors, you can effectively calculate the quantity of bitumen asphalt required for your pavement project.

@etconp

ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 05:32

ታምራት  ፕሌት እና ጄቦልት አቅራቢ

📌ፕሌትና ጄቦልት በፈለጉት አይነት የተዘጋጀ አለን

✂️ላሜራ መቁረጫ መብሻና  ማጠፊያ ማሽኖች አሉን

🔗ፌሮ (ቶንዲኖ) ጥርስ እናበጃለን እንዲሁም እናጥፋለን

📐ማንኛዉንም የሞደፊክ ስራዎችን እንሰራለን

📍ኢትዮጵያ ዉስጥ የትም እንልክሎታለን

አድራሻችን፦ ቁ.1 አዉቶብስ ተራ(መሳለሚያ)
                    ቁ.2 መርካቶ
                    ቁ.3 ተክለሀይማኖት

0904040477
0911016833

ETCONp - Ethiopian Construction Work Professionals

24 Dec 2024 09:00

👉አዋሽ ወልደያ መቐለ የባቡር መንገድ ግንባታ ፕሮጄክትን ለማጠናቀቅ ፋይናንስ የማፈላለግ ሥራ ይከናወናል

🚧አዋሽ ወልደያ ሀራ ገበያና ሀራገበያ መቐለ የባቡር መንገድን ግንባታን ለማጠናቀቅ ፋይናንስ የማፈላለግ ሥራ እያከናወነ እንደሚገኝ የኢትዮጵያ ምድር ባቡር ኮርፖሬሽን አስታወቀ፡፡

🏷የኮርፖሬሽኑ ምክትል ዋና ሥራ አስፈጻሚ ጌቱ ግዛው (ኢ/ር) ለኢፕድ እንደገለጹት፣ አዋሽ ወልደያ፣ ሀራገበያና ከሀራገበያ መቀሌ የባቡር መንገድ ፕሮጀክትን ለማጠናቀቅ ፋይናንስ የማፈላለግ ሥራ እየተሰራ ይገኛል።

💫አዋሽ ወልደያ ሀራ ገበያ የባቡር መንገድ ፕሮጀክት 99 በመቶ ደርሶ እንደነበር ጠቅሰው፣ በሰሜኑ ጦርነት በመሰረተ ልማቶች ላይ በደረሰ አደጋ ሳቢያ ወደ ኋላ መመለሱን ገልጸዋል፡፡

⭐️በአሁኑ ጊዜ የሰላም ሁኔታው እየተረጋጋ በመሆኑ የወደቡ መሰረተ ልማቶችን መልሶ ለመስራትና የባቡር መንገዶቹን ለማጠናቀቅ የፋይናንስ አማራጮች እየተፈለጉ እንደሚገኝ ተናግረዋል፡፡

Via ኢ ፕ ድ

@etconp

ETCONp - Ethiopian Construction Work Professionals

24 Dec 2024 05:33

ታምራት  ፕሌት እና ጄቦልት አቅራቢ

👉ከ አባይ ግድብ እስከ ኮሪደር ልማት

ከግለሰብ ቤቶች እስከ ተቋማት እና

መጋዘኖች በሁሉም የኢትዮጽያ ክፍል

አሻራችንን አሳርፈናል

🔰ምን ይፈልጋሉ?

✂️ላሜራ መቁረጫ ÷ ማጠፊያ እና መብሻ ማሽኖች አሉን

🔗ፌሮ (ቶንዲኖ) ጥርስ ማስበጀት ወይንም ማሳጠፍ ካሰቡ ለሱም ማሽኑ በጃችን ነዉ

📐ማንኛዉንም የሞደፊክ ስራዎችን የሚሰሩ ብቁ ባለሙያዎችም አሉን

☎️ይደዉሉልን ያማክሩን

📍ኢትዮጵያ ዉስጥ የትም እንልክሎታለን

አድራሻችን፦
                    ቁ.1 መርካቶ
                    ቁ.2 ተክለሀይማኖት
                     ቁ.3 አየር ጤና

0904040477
0911016833

ETCONp - Ethiopian Construction Work Professionals

23 Dec 2024 16:32

👉Bioconcrete

🏷Bio concrete is an innovative material that incorporates bacteria capable of producing calcite when exposed to water and oxygen. 👇👇👇

@etconp

ETCONp - Ethiopian Construction Work Professionals

22 Dec 2024 11:17

👉In construction and project management, pricing documents are crucial for effective cost planning and control.

💫Whether you're a seasoned professional or new to the industry, understanding these documents is key to project success.

🚧Here's an overview of essential pricing documents and their significance:

🔹 Bill of Quantities (BOQ):
What it is: Detailed breakdown of materials, labor, and services needed for a project.
How it’s used: Essential for project scope clarity during tendering and serves as a cost tracking baseline.

🔹 Schedule of Rates (SOR):
What it is: Pre-determined unit rates for standard activities, materials, or services.
How it’s used: Manages variations in work scope, ensuring pricing transparency and simplifying change approvals.

🔹 Schedule of Activities (SOA):
What it is: Links activities to costs and timeframes.
How it’s used: Integrates project timelines with budgets, aiding in resource planning and progress tracking.

🔹Project Sum Analysis (PSA):
What it is: Compares planned and actual project costs.
How it’s used: Monitors financial performance, controls costs, and enables corrective actions.

⏺Understanding and utilizing these documents optimally can lead to improved cost management, resource allocation, and stakeholder communication.

▶️Each document has a specific role but collectively forms a robust framework for financial project management.

⏺Mastering the basics of the BOQ is crucial for beginners, as it lays the foundation for project cost structures.

▶️Experienced professionals can efficiently enhance their workflows by integrating these tools for more successful project outcomes.

@etconp

ETCONp - Ethiopian Construction Work Professionals

22 Dec 2024 06:45

👉ከ40 አመት በፊት በሩሲያ በስኮላርሺፕ የሲቪል ኢንጂነሪንግ ትምህርቱን የተከታተለ አንድ ጉምቱ ባለሀብት፣ በዚያን ጊዜ ሩሲያ ለሕንፃ ምህንድስና ትጠቀም የነበረውን ቴክኖሎጂ እስከአሁን ድረስ ሙሉ በሙሉ በኢትዮጵያ እየተገበርን አለመሆኑን ይናገራል።

አዎ፣ ሩሲያ በሕንፃ ምህንድስና የደረሰችበት ደረጃ በሚገባ አልተነገረላትም ማለት ይቻላል።

በመኖሪያ ቤት ግንባታ ያላት ልምድ አለም እስካሁን እየተማረበት ይገኛል።

በሩሲያ የሚገነቡ ሕንፃዎች ጥንካሬ ብቻ ሳይሆን ውበትንም የተላበሱ ናቸው።

ይህ ከላይ የምንመለከተው ማራኪ ሕንፃ በሩሲያ ለመኖሪያ ቤት ግልጋሎት የሚሰጥ ቄንጠኛ ሕንፃ ነው።

@etconp

ETCONp - Ethiopian Construction Work Professionals

22 Dec 2024 05:10

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ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

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@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

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@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

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@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 15:02

👉የኢትዮጵያ አየር መንገድ በዛሬው ዕለት 22 ሚሊየን የአሜሪካ ዶላር ወጪ የተደረገበትንና ከ 1,300 በላይ ተሽከርካሪዎችን ማቆም የሚያስችል ለበረራ ሙያ ባልደረቦች የተገነባ ባለ 8 ወለል ዘመናዊ የመኪና ማቆሚያ ሕንፃ ለምረቃ አበቃ።

ይህ በ48,000 ስኩዌር ካሬሜትር ላይ ያረፈ እጅግ ዘመናዊ ህንፃ በአንድ አመት ከአንድ ወር ውስጥ ግንባታው የተጠናቀቀ ሲሆን በውስጡም ለአካል ጉዳተኞች ተደራሽ የሆነ፣ በኤሌክትሪክ ለሚሰሩ ተሽከርካሪዎች ቻርጅ ማድረጊያ የተገጠመለት፣ እንዲሁም ድንገተኛ የእሳት አደጋን መቋቋም እንዲያስችል ተደርጎ በዘመናዊ የግንባታ ቴክኖሎጂ የተገነባ ነው።

ይህ ዘመናዊ የመኪና ማቆሚያ ህንጻ ቻይና ጂያንግሱ በሚባል ህንጻ ተቋራጭ ድርጅት እና K2N አርክቴክቸር እና ኢንጅነሪንግ አማካሪ ድርጅት የተገነባ ሲሆን የኢትዮጵያ አየር መንገድ ግሩፕ ዋና ስራ አስፈፃሚ አቶ መስፍን ጣሰው፣ የቻይና ጂያንግሱ ኮንስትራክሽን ኩባንያ ተወካዮች፣ የኢትዮጵያ አየር መንገድ ከፍተኛ የስራ ሀላፊዎችና ጥሪ የተደረገላቸው እንግዶች በተገኙበት ተመርቋል።

የኢትዮጵያ አየር መንገድ ለሰራተኞች ምቹ የስራ አካባቢ ከመፍጠር ባሻገር የመኖሪያ ቤት አቅርቦትን ለማሟላት በ2ኛ ዙር የቤት ግንባታ ፕሮግራም ለ5000 ሰራተኞች የመኖሪያ ቤት ግንባታ እያከናወነ መሆኑ ይታወቃል።

@etconp

ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 15:49

👉Who is the planning engineer, scheduling engineer and cost control engineer?

🏷The division will be based on the roles, responsibilities and management to which it belongs?

💫1. Planning Engineer

⏺Roles and Responsibilities:

🔰Development of the master project plan (Project Master Plan) to determine the scope of the project, and this differs from the Project management plan may be part of it, but the Project Master Plan is a brief document with details about the project, its vision, objectives, scope of work and outline of the time range for each network, and I am one of the people who were wrong in this title when we present something like this abbreviated is the Master Plan I call it the Project management plan
Create a workflow structure (WBS) to break down the project into manageable parts.
Identify the activities necessary to complete the project with the identification and sequencing of their relationships.

⏺Estimate the time required for each activity and establish a logical chronology.

⏺Prepare a time plan based on resource and potential constraints.

⏺Coordination with different departments such as design, implementation, and procurement to ensure the compatibility of the plan.

🏷Tools used:

Planning programs such as: Primavera P6, Microsoft Project: for planning and project management, Excel .....

⏺Subsidiary Management:
Planning Department, Project Management or Technical Department

💫3. Scheduling Engineer

⏺Role and Responsibilities:
Create a schedule: Create a detailed schedule of activities and tasks, and identify the relationships between them and the chronology of their implementation.

⏺Update schedule: Update the schedule regularly to reflect changes that occur in the project.

⏺Critical Path Analysis: Identify critical paths in the schedule that must be focused on to ensure that the project is completed on time.

⏺Performance Appraisal: Evaluate the actual performance of the project against the planned schedule.

💫3. Cost Engineer

⏺Roles and Responsibilities:
Prepare detailed cost estimates for the project based on the planned activities.

⏺Developing the overall budget of the project and monitoring compliance with it.

⏺Track actual costs and identify differences between them and budget.

⏺Cost variance management due to risks or changes in the scope of the project.

⏺Prepare monthly cost reports that include: Current spending,Estimated cost at completion (EAC) and Overall financial performance.

🚧Tools used:

⏺Cost management tools such as:

⏺Excel: Analyze data and reports.

⏺SAP or Oracle ERP: To track costs and manage budgets.

@etconp

ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 12:06

👉የኮንስትራክሽን ኢንዱስትሪ የባለድርሻ አካላት የምክክር መድረክ እየተካሄደ ይገኛል

የኮንስትራክሽን ኢንዱስትሪ የባለድርሻ አካላት የምክክር መድረክ ቃሊቲ በሚገኘው የኢትዮጵያ መንገዶች አስተዳደር የመንገድ ምርምር ማዕከል እየተካሄደ ይገኛል።

የኮንስትራክሽን እመርታ ለሀገር ግንባታ በሚል መሪ ሐሳብ የሚካሄደው መድረኩ፥ የኮንስትራክሽን ዘርፉ የሚገኝበት ነባራዊ ሁኔታ (ደረጃ)፣ የዘርፉ ቁልፍ ፈተናዎች እንዲሁም ቀጣይ አቅጣጫዎችን በተመለከተ ትኩረቱን አድርጓል።

የከተማ ልማት እና ኮንስትራክሽን ሚኒስቴር ባሰናዳው በዚሁ መድረክ ላይ ከፍተኛ የመንግስት ኃላፊዎች፣ የሥራ ተቋራጮች፣ አማካሪ መሀንዲሶች እንዲሁም ሌሎች የዘርፉ ተዋንያን ይሳተፉበታል።

Via ERA

@etconp

ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 10:26

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ETCONp - Ethiopian Construction Work Professionals

25 Dec 2024 06:15

💫One-Way Slab(L/B > 2)

💫Two-Way Slab (L/B ≤ 2)

🔰One-Way Slab
Load Transfer: Loads are transferred primarily in one direction (along the shorter span) to the supports.
Support Condition: Supported on two opposite sides (beams or walls).
Reinforcement: Main reinforcement is provided in one direction (shorter span) and distribution reinforcement in the other direction.
Span Ratio: Used when the longer span (L) to shorter span (B) ratio is greater than 2 (L/B > 2).
Thickness: Typically thinner compared to two-way slabs for the same spans.
Applications: Walkways, corridors, narrow rooms, or slabs supported by two parallel beams.

🔰Two-Way Slab
Load Transfer: Loads are transferred in both directions (shorter and longer spans) to the supports.
Support Condition: Supported on all four sides (beams or walls).
Reinforcement: Main reinforcement is provided in both directions (shorter and longer spans).
Span Ratio: Used when the longer span (L) to shorter span (B) ratio is less than or equal to 2 (L/B ≤ 2).
Thickness: Typically thicker than one-way slabs for the same spans.

🔰Applications: Floors in multistorey buildings, parking structures, and flat slabs with supports on all sides.
Key Differences
Aspect One-Way Slab Two-Way Slab
Load Transfer In one direction In two directions
Supports Two opposite sides All four sides
Reinforcement One direction Both directions
Span Ratio (L/B) > 2 ≤ 2
Typical Use Narrow spans Wider spans
The choice between the two depends on the structural requirements, support conditions, and span dimensions.

@etconp

ETCONp - Ethiopian Construction Work Professionals

24 Dec 2024 12:48

👉የአቃቂ ድልድይ ግንባታ 40 በመቶ አፈፃፀም ላይ ደርሷል

🚧በአቃቂ ክፍለ ከተማ ጥሩነሽ ዲባባ ቤጂንግ ሆስፒታል አካባቢ የሚገኘው የአቃቂ ወንዝ መሻገሪያ ድልድይ የግንባታ ስራ 40 በመቶ አፈፃፀም ላይ ደርሷል፡፡

የድልድዩን ግንባታ ብሪጅ ኮንስትራክሽን የተባለ ሀገር በቀል የስራ ተቋራጭ ከ447 ነጥብ 3 ሚሊዮን ብር በላይ በሆነ ወጪ እያከናወነው ሲሆን፣ የማማከርና የቁጥጥሩን ስራ ደግሞ ስታዲያ አማካሪ ድርጅት እየተከታተለው ይገኛል፡፡

የግንባታ ስራው በዲዛይን ለውጥ እና በልዩ ልዩ ምክንያቶች በተያዘለት የጊዜ ገደብ ውስጥ ሳይጠናቀቅ ቆያቷል፡፡

በባለሥልጣን መስሪያ ቤቱ ዋና ዳይሬክተር የተመራ የተቋሙ አመራርና የሥራ መሪዎች ቡድን በግንባታ ሥፍራው በመገኘት የመስክ ምልከታ ያደረገ ሲሆን፣ የድልድዩ ግንባታ በፍጥነት በሚጠናቀቅበት ሁኔታም ላይ አቅጣጫ ተሰጥቷል፡፡

አሁን ላይ ከድልድዩ ግንባታ 2 ዋና ዋና ተሸካሚዎች እና 12 ምሰስዎች መካከል 50 በመቶ የሚሆነው ስራ በመገባደድ ላይ ሲሆን፣ ከዚሁ ጎን ለጎን የድልድዩን የላይኛውን ክፍል ፕሪካስት የማምረት ስራ እየተከናወነ ይገኛል፡፡

የአቃቂ ድልድይ ግንባታ ሙሉ በሙሉ ሲጠናቀቅ፤ ከቃሊቲ ቶታል በዜሮ ስምንት ወደ በአቃቂ ከተማ  እና ወደ ቱሉ ዲምቱ አደባባይ የሚደረገውን የትራፊክ ፍሰት የተቀላጠፈ በማድረግ ለአካባቢው ኢኮኖሚያዊና ማህበራዊ እንቅስቃሴ መሻሻል ከፍተኛ አስተዋፅኦ እንደሚያበረክት ይታመናል፡፡

Via የአዲስ አበባ ከተማ መንገዶች ባለሥልጣን

@etconp

ETCONp - Ethiopian Construction Work Professionals

24 Dec 2024 06:09

👉When performing tensile test...

🏷Type of fracture you observe can reveal a lot about material's properties.

⭐️Let's quick Learn about it.

▬  𝗗𝘂𝗰𝘁𝗶𝗹𝗲 𝗙𝗿𝗮𝗰𝘁𝘂𝗿𝗲  ▬

● Cup-and-Cone Shape : Fracture surface is typically rough & fibrous, indicating significant plastic deformation.

● High Energy Absorption : Ductile materials can absorb a lot of energy before failing, making them tough & less prone to catastrophic failure.

● Elongation : Noticeable elongation & reduction in cross-sectional area occur before material breaks, observable as material necks down.

● Microvoid Coalescence : Fracture process involves the nucleation, growth, & coalescence of microvoids, leading to material's separation.

▪ Examples of Ductile Materials :
   - Copper
   - Mild Steel
   - Aluminum

▬  𝗕𝗿𝗶𝘁𝘁𝗹𝗲 𝗙𝗿𝗮𝗰𝘁𝘂𝗿𝗲  ▬

● Flat and Smooth Surface : Fracture surface appears smooth & shiny, often with a granular or crystalline appearance.

● Low Energy Absorption : Brittle materials absorb less energy before fracturing, making them more susceptible to sudden failure under stress.

● No Significant Elongation : Little to no necking or plastic deformation occurs before the material breaks.

● Cleavage Planes : Brittle fracture often occurs along specific crystallographic planes, known as cleavage planes, where atomic bonds are weakest.

▪ Examples of Brittle Materials :
   - Glass
   - Cast Iron
   - Ceramics
   - High-Carbon Steel

- - - - - - - - -

◆ Factors Influencing Fracture Behavior:
    - Strain Rate
    - Temperature
    - Microstructure
    - Material Composition

◆ Testing for Ductile and Brittle Fracture:
    - Tensile Testing
    - Charpy Impact Testing
    - Fracture Toughness Testing

◆ Real-World Example: Titanic Disaster 🚢
     - Sinking of Titanic is famous example of brittle fracture. Ship's hull was made of steel that became brittle at freezing temperatures of North Atlantic. When Titanic struck an iceberg, the hull plates fractured suddenly, leading to the catastrophic sinking of the ship.

@etconp

ETCONp - Ethiopian Construction Work Professionals

23 Dec 2024 16:32

👉Bioconcrete

🏷Bio concrete is an innovative material that incorporates bacteria capable of producing calcite when exposed to water and oxygen.

These bacteria, encapsulated in the concrete, are activated when cracks form and naturally repair them. This process enhances the durability of structures, reduces maintenance costs, and contributes to sustainability by minimizing the need for conventional repairs.

Bio concrete has great potential for various infrastructure applications, offering an eco-friendly and cost-effective solution.

🚧Several processes are available for the production of bioconcrete:

- Adding bacteria of the genus Bacillus. Bacteria are placed in the concrete mixture in biodegradable capsules with calcium lactate to provide them with nutrients.

Once the capsule dissolves, the microorganisms come to life and in the process produce limestone that fills cracks in the concrete.
- The addition of spores of the fungus Trichoderma reesei. Without access to water and air, the fungi are at rest, but as soon as moisture and air enter the concrete structure through cracks, they begin to grow actively, producing calcium carbonate, which fills microcracks.

💫Advantages:

- Resistance to the action of adverse natural factors.
- Reducing the time, labor and financial costs of routine and major repairs of buildings and structures.
- Prevention of damage to concrete structures during operation.

Self-restoring concrete is not yet widespread in the construction industry, because its cost is 2 times higher than conventional concrete mixes.

But if you calculate the benefits in the subsequent operation of facilities built with bioconcrete, the benefits of this material become apparent.

Specialists in the construction industry are confident that the future belongs to such materials.

Via Yonatan Tadesse PMP

@etconp

ETCONp - Ethiopian Construction Work Professionals

22 Dec 2024 15:20

👉Causes of Low Morale in Construction Project Teams

1️⃣ Weak Leadership

• The absence of a strong leader results in a lack of direction and motivation.
• When the project manager cannot make clear decisions or provide a comprehensive vision, the team feels confused and loses confidence.
• Source: Project Management Institute (PMI) - Guide to Project Management Best Practices.

2️⃣ Lack of Effective Communication

• The absence of clear communication channels leads to misunderstandings and project delays.
• Poor communication between the team and management wastes resources and increases tension.
• Source: Harvard Business Review - Communication Strategies in Project Teams.

3️⃣ Overwork and Burnout

• Long hours and excessive pressure without adequate breaks result in decreased productivity and high burnout rates.
• The imbalance between personal life and work reduces team loyalty to the project.
• Source: Occupational Health & Safety Journal - Impact of Workload on Employee Morale.

4️⃣ Lack of Recognition and Incentives

• The absence of appreciation for team achievements makes employees feel undervalued.
• A lack of financial or moral incentives diminishes their desire to improve performance.
• Source: Society for Human Resource Management (SHRM) - Employee Recognition Best Practices.

5️⃣ Unclear Goals and Expectations

• When project goals are unclear or constantly changing, the team feels unstable and loses focus.
• Sudden shifts in priorities create a chaotic and demotivating work environment.
• Source: PMI - Agile Practice Guide.

6️⃣ Toxic Work Environment

• Internal conflicts and lack of teamwork create feelings of discomfort and insecurity.
• The absence of mutual respect and trust within the team hinders collaboration.
• Source: Forbes - How to Identify and Improve Toxic Work Cultures.

7️⃣ Insufficient Resources

• The unavailability of required tools or budgets forces the team to work in an ill-equipped environment, increasing frustration.
• Delays in providing essential materials and equipment disrupt the project schedule.
• Source: Construction Management Journal - The Role of Resources in Project Success.

8️⃣ Poor Planning and Risk Management

• The lack of a clear action plan and effective risk management creates uncertainty.
• Frequent issues that could have been avoided through proactive planning frustrate the team.
• Source: Risk Management Journal - The Importance of Proactive Risk Planning.

🎯 Recommended Solutions:

• Strengthen leadership and communication.
• Provide regular incentives and recognition.
• Offer necessary training and resources.
• Develop a clear action plan with achievable goals

@etconp

ETCONp - Ethiopian Construction Work Professionals

22 Dec 2024 08:30

👉The difference between Class A and Class B for laying drainage pipes in Ethiopia road construction primarily lies in the quality and compaction requirements of the bedding material:

💫Class A Bedding:

* Higher Quality: Requires a well-graded, compacted granular material (e.g., crushed stone) with specific gradation limits.
* Better Support: Provides superior support and load distribution for the pipe, reducing the risk of settlement and failure.
* Used in Critical Areas: Typically employed in areas with high traffic loads, unstable soils, or where pipe stability is paramount.
Class B Bedding:
* Lower Quality: Allows for the use of less rigorously graded materials, potentially including locally sourced materials.
* Less Compaction: Requires less stringent compaction efforts compared to Class A.
* Suitable for Less Demanding Conditions: Typically used in areas with lower traffic volumes, stable soils, or where the risk of pipe failure is lower.
Visual Comparison:

🚧Key Points:

* The choice between Class A and Class B bedding depends on factors such as soil conditions, traffic loads, pipe diameter, and the specific requirements of the road design.
* Proper bedding is crucial for ensuring the long-term stability and performance of drainage pipes, preventing issues like pipe settlement, joint failures, and infiltration.
* Adhering to the specified bedding class is essential for meeting the quality standards and ensuring the durability of the road infrastructure.
Additional Considerations:
* Ethiopian Road Authority (ERA) Standards: The specific requirements for Class A and Class B bedding are outlined in the ERA's Drainage Design Manual and other relevant standards.
* Geotechnical Investigations: Soil investigations are often conducted to determine the appropriate bedding class and design parameters.
* Quality Control: Regular inspections and testing are necessary to ensure that the bedding materials meet the specified requirements and are properly compacted.
By understanding the distinctions between Class A and Class B bedding, engineers and contractors can make informed decisions to optimize drainage system performance and contribute to the construction of durable and resilient road networks in Ethiopia.

@etconp

ETCONp - Ethiopian Construction Work Professionals

22 Dec 2024 05:59

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ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

/channel/ETCONpWORK

@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

/channel/ETCONpWORK

@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

/channel/ETCONpWORK

@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 17:05

/channel/ETCONpWORK

@etconp

ETCONp - Ethiopian Construction Work Professionals

21 Dec 2024 13:50

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