👉Cracks on a concrete slab can occur due to various reasons.
💫Here are some common causes:
1. Shrinkage: Concrete shrinks as it cures, leading to cracks.
2. Settlement: Soil settlement or uneven foundation can cause cracks.
3. Thermal expansion: Concrete expands and contracts with temperature changes, causing cracks.
4. Poor construction: Inadequate preparation, mixing, or finishing can lead to cracks.
5. Weak subbase: A weak or unstable subbase can cause cracks.
6. Overloading: Excessive weight or pressure can cause cracks.
7. Weathering: Exposure to weather, especially freeze-thaw cycles, can cause cracks.
8. Chemical damage: Exposure to chemicals, like salt or acid, can damage concrete.
9. Poor drainage: Water accumulation can cause erosion and cracks.
10. Soil movement: Soil movement or erosion beneath the slab can cause cracks.
11. Tree roots: Tree roots growing beneath the slab can cause cracks.
12. Poor curing: Inadequate curing can lead to weak concrete and cracks.
@etconp
💫Here are some common causes:
1. Shrinkage: Concrete shrinks as it cures, leading to cracks.
2. Settlement: Soil settlement or uneven foundation can cause cracks.
3. Thermal expansion: Concrete expands and contracts with temperature changes, causing cracks.
4. Poor construction: Inadequate preparation, mixing, or finishing can lead to cracks.
5. Weak subbase: A weak or unstable subbase can cause cracks.
6. Overloading: Excessive weight or pressure can cause cracks.
7. Weathering: Exposure to weather, especially freeze-thaw cycles, can cause cracks.
8. Chemical damage: Exposure to chemicals, like salt or acid, can damage concrete.
9. Poor drainage: Water accumulation can cause erosion and cracks.
10. Soil movement: Soil movement or erosion beneath the slab can cause cracks.
11. Tree roots: Tree roots growing beneath the slab can cause cracks.
12. Poor curing: Inadequate curing can lead to weak concrete and cracks.
@etconp
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The propagation of shear crack in a prestressed concrete member depends on :
Anonymous Quiz
19%
Tensile reinforcement
25%
Compression reinforcement
42%
Shear reinforcement
15%
Shape of the cross section of beam
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Which of the following pavement is capable of resisting small tensile strength?
Anonymous Quiz
42%
Flexible pavement
31%
Rigid pavement
13%
Semi-flexible pavement
14%
All of the mentioned
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Purlins are provided, in industrial buildings, over roof trusses to carry dead loads, live loads and wind loads. As per IS code, what are they assumed to be ?
Anonymous Quiz
33%
Simply supported
18%
Cantilever
27%
Continuous
23%
Fixed
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Which of the following statements regarding Terzaghi's Bearing Capacity Theory is INCORRECT?
Anonymous Quiz
22%
1. Shear strength of soil is governed by Mohr-Coulomb equation.
26%
2. Footing base is rough and is laid at a shallow depth.
32%
3. Footing is small, i.e., L/B ratio is finite (where B is width and L is the length of the footing)
20%
4. The load on the footing is vertical and uniformly distributed.
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geographical features (hills and lakes) within a larger neighbourhood area, in which the site is located, is shown on which plan?
Anonymous Quiz
39%
1. Site Plan
19%
2. Plot Plan
3%
3. Floor Plan
39%
4. Location Plan
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The damp-proof course (DPC) is measured in
Anonymous Quiz
27%
1. cubic meter
43%
2. square meter
15%
3. running meter
15%
4. All of the above
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The foundation in which a concrete beam is provided to join two footings, is known as
Anonymous Quiz
12%
1. strip footing
51%
2. strap footing
34%
3. combined footing
2%
4. raft footing
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Which of the following correctly represents the ultimate tensile force (Tu) in the tensile reinforcement (As) of a singly reinforced beam at the ultimate limit state of flexure, considering the characteristic yield strength of steel (fy)?
Anonymous Quiz
17%
1. Tu = 0.5 fy As
51%
2. Tu = 0.87 fy As
23%
3. Tu = 0.67 fy As
9%
4. Tu = fy As
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The CBR test is primarily use d to determine
Anonymous Quiz
67%
1. Bearing capacity of soil
8%
2. Permeability of soil
18%
3. Suitability of soil for road construction
6%
4. Shear strength of soil
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Which type of elevator is best suited for high-rise buildings?
Anonymous Quiz
48%
Hydraulic elevator
13%
Traction elevator
25%
Pneumatic elevator
14%
Belt elevator
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Considering
(i) Screening (ii) Sedimentation (iii) Disinfection (iv) Filtration. The correct sequence of treatments which are generally given to treat raw water supplies are
(i) Screening (ii) Sedimentation (iii) Disinfection (iv) Filtration. The correct sequence of treatments which are generally given to treat raw water supplies are
Anonymous Quiz
26%
1. (i) (ii) (iii) (iv)
47%
2. (i) (ii) (iv) (iii)
15%
3. (i) (iii) (iv)(ii)
12%
4. (iv) (iii) (ii)(i)
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The first stage of a construction is
Anonymous Quiz
8%
preparation of estimate
39%
survey of the site
42%
initiation of the proposal
12%
preparation of tender
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The strength of concrete in hardened existing structure can be determined by which of the following tests
Anonymous Quiz
27%
1. Cone penetration test
64%
2. Rebound hammer test
7%
3. Bullet test
2%
4. Kelly ball test
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When a shaft is subjected to both bending and torsion, the resultant stress is obtained using the principle of
Anonymous Quiz
17%
1. Plasticity
25%
2. Ductility
32%
3. Elasticity
26%
4. Superposition
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🚀 Exciting Update for Project Managers! 🚀
The PMI has officially released the 8th Edition of the PMBOK Guide. This latest edition brings fresh perspectives, updated best practices, and enhanced tools aligned with today’s dynamic project environments. It’s a must-read for all construction engineers, project managers, and professionals aiming to stay ahead in the field.
Key highlights include:
• Greater focus on value delivery and outcomes
• Integration of Agile and adaptive approaches
• Updated frameworks for project performance domains
• Emphasis on tailoring methods to fit project needs
To support your continuous learning and certification preparation, we have attached the PMI 8th Edition document below for your reference.
Stay updated, stay competitive!
Via Yonatan Tadesse, PMP®
@etconp
The PMI has officially released the 8th Edition of the PMBOK Guide. This latest edition brings fresh perspectives, updated best practices, and enhanced tools aligned with today’s dynamic project environments. It’s a must-read for all construction engineers, project managers, and professionals aiming to stay ahead in the field.
Key highlights include:
• Greater focus on value delivery and outcomes
• Integration of Agile and adaptive approaches
• Updated frameworks for project performance domains
• Emphasis on tailoring methods to fit project needs
To support your continuous learning and certification preparation, we have attached the PMI 8th Edition document below for your reference.
Stay updated, stay competitive!
Via Yonatan Tadesse, PMP®
@etconp
❤7👍5🔥1👏1
Ethio Construction Engineering
🚀 Exciting Update for Project Managers! 🚀 The PMI has officially released the 8th Edition of the PMBOK Guide. This latest edition brings fresh perspectives, updated best practices, and enhanced tools aligned with today’s dynamic project environments. It’s…
PMBOK Guide Eighth Edition_Table of Contents.pdf
2.6 MB
The PMBOK 8th Edition is not yet publicly available as a PDF; its official release date is January 13, 2026. The Project Management Institute (PMI) released a draft for public review in late 2024. While a free PDF is not currently downloadable for the general public, PMI members will receive a free digital copy upon release.
@etconp
@etconp
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👉የጢስ ዓባይ ፏፏቴ መዳረሻ አስፓልት እየተገነባ ነው
🚧የጢስ ዓባይ ፏፏቴ መዳረሻ የኾነው የባሕርዳር - ጢስ እሳት መንገድ ግንባታ አፈጻጸም ለማሻሻል እየተሠራ ነው፤ ለመንገድ ግንባታው 975 ሚሊዮን ብር በፌደራል መንግስት በጀት ተይዞለታል።
💫የመንገድ ፕሮጀክቱ 21.2 ኪሎሜትር የሚሸፍን ሲኾን፣ ሀገር በቀሉ መልኮን ኮንስትራክሽን በማከናወን ላይ ይገኛል።
🚧ጎንድዋና ኢንጅነሪንግ የማማከር እና የቁጥጥር ሥራውን ያከናውናል።
⭐️የመንገድ ግንባታው ሲጠናቀቅ ወደ ጢስ ዓባይ ፏፋቴ ለሚመጡ የሀገር ውስጥና የውጭ ሀገራት ጎብኚዎች ምቹ ሁኔታን ይፈጥራል።
@etconp
🚧የጢስ ዓባይ ፏፏቴ መዳረሻ የኾነው የባሕርዳር - ጢስ እሳት መንገድ ግንባታ አፈጻጸም ለማሻሻል እየተሠራ ነው፤ ለመንገድ ግንባታው 975 ሚሊዮን ብር በፌደራል መንግስት በጀት ተይዞለታል።
የአስፓልት መንገድ ፕሮጀክቱ የግንባታ ሒደት 48.33 የደረሰ ሲሆን፣ አስፋልት ለማንጠፍ የሚያስችሉ የቤዝኮርስ ጠጠር ማምረት እንዲሁም የውኃ መፋሰሻ ግንባታ ሥራዎች በመከናወን ላይ ናቸው።
💫የመንገድ ፕሮጀክቱ 21.2 ኪሎሜትር የሚሸፍን ሲኾን፣ ሀገር በቀሉ መልኮን ኮንስትራክሽን በማከናወን ላይ ይገኛል።
🚧ጎንድዋና ኢንጅነሪንግ የማማከር እና የቁጥጥር ሥራውን ያከናውናል።
⭐️የመንገድ ግንባታው ሲጠናቀቅ ወደ ጢስ ዓባይ ፏፋቴ ለሚመጡ የሀገር ውስጥና የውጭ ሀገራት ጎብኚዎች ምቹ ሁኔታን ይፈጥራል።
በአካባቢው የሚመረቱ የተለያዩ የግብርና ምርቶች በቀላሉ ወደ ማዕከላዊ ገበያ ለማድረስ ያስችላል።
ወደ ባሕርዳር ከተማ የሚደረገውን የትራንስፖርት እንቅስቃሴ ያሳልጣል።
በአጠቃላይ በዚህ ዓመት የባሕርዳር - ጢስ እሳት አስፓልት መንገድ ፕሮጀክት አፈጻጸም እስከ 80 በመቶ ለማድረስ ዕቅድ ተይዞ እየተሰራ ነው።
@etconp
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