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👩🏫In brittle materials, failure occurs:
(from Prof. Lollini's Quiz #1)
(from Prof. Lollini's Quiz #1)
Anonymous Quiz
31%
due to the propagation of a crack
29%
at quite low stress level
10%
due to the plastic slip
29%
after significant plastic deformation
👍2❤1
👩🏫 The hydration of tricalcium silicate, C3S:
Anonymous Quiz
41%
strongly contributes in increasing the setting times
18%
is lower than the hydration of dicalcium silicate, C2S
25%
is faster than the hydration of dicalcium silicate, C2S
16%
leads to the formation of gel C-S-H and ettringite
👍4
One should ideally prefer larger grains for concrete:
Anonymous Quiz
26%
so that, once reinforced, its rebars have the highest resistance to pitting corrosion
26%
for a higher porosity, an important factor to reduce mixing time
33%
to be able to meet the highest potential water:cement ratio
15%
as it leads to better bleeding for more moisture
👏4
The carbon content of steel is:
Anonymous Quiz
18%
Less than 0.15%
31%
2% to 4%
33%
0.002% to 2.1%
18%
5% to 15.5%
🙏3
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If the porosity of a soil sample is 22%, what is its void ratio?
Anonymous Quiz
21%
0.3
25%
0.27
35%
0.28
19%
0.25
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Sieve Analysis can be carried out given that:
Anonymous Quiz
6%
the specimen is fully wet.
11%
the specimen is of a cohesive type.
41%
the specimen is granular.
42%
the specimen is a soil type with a grain size less than 0.2 millimeters.
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• የሳይት ወጪና በጀት መከታተያ (Cost Tracking)
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📐 IMPORTANT NOTES: SURVEYING INSTRUMENTS 🏗️
Surveying instruments are essential in civil engineering for measuring angles, determining elevations, measuring distances, and establishing accurate positions on construction sites.
🔹 1. THEODOLITE
A theodolite is used to measure horizontal and vertical angles accurately. It is commonly used in alignment, traversing, setting out, and construction surveying.
📌 Key points:
✅ Measures horizontal and vertical angles.
✅ Least count depends on the instrument model.
✅ Common examples include 20″ and 1′, depending on the instrument.
✅ Always check the manufacturer's specifications.
🔹 2. AUTOMATIC LEVEL & LEVELLING STAFF
An automatic level is used to determine differences in elevation between points. The levelling staff provides readings used to calculate reduced levels (RLs).
📌 Key points:
✅ Used for levelling and determining elevations.
✅ Helps establish formation levels, foundation levels, and road gradients.
✅ Reading precision depends on staff graduations, instrument quality, and observation technique.
✅ Staff graduations are commonly marked in centimetres, with finer subdivisions depending on the staff.
🔹 3. METRIC CHAIN
A metric chain is used to measure ground distances during surveying.
📌 Key points:
✅ Common standard lengths: 20 m and 30 m.
✅ Traditional metric chains may contain 100 or 150 links, respectively.
✅ Each link is typically 0.20 m long.
✅ Made of steel links with handles at both ends.
🔹 4. PRISMATIC COMPASS
A prismatic compass is used to measure magnetic bearings of survey lines.
📌 Key points:
✅ Helps determine the direction of survey lines.
✅ Commonly uses whole-circle bearings from 0° to 360°.
✅ Reading graduations depend on the instrument model.
✅ Magnetic interference from steel structures and electrical equipment can affect readings.
🔹 5. LANDINGS IN BUILDINGS
A landing is a horizontal platform provided between flights of stairs or at a change in direction.
📌 Key points:
✅ Provides a resting space.
✅ Improves stairway safety and circulation.
✅ Landing dimensions must comply with the applicable building code.
✅ Proper design considers stair width, accessibility, headroom, and occupant safety.
💡 CIVIL ENGINEERING TIP:
Choosing the correct surveying instrument and using proper measurement techniques are essential for accurate setting out, levelling, alignment, and construction quality control.
📚 Save this post for your civil engineering studies and site work!
🌐ለተጨማሪ መረጃ እና ሌሎች የኮንስትራክሽን ዘርፍ ዜናዎች የ YouTube ገፃችን ከታች ባለው ሊንክ በመግባት SubScribe አርገው ቤተሰብ ይሁኑ👇
https://youtube.com/@ethiopianconstruction7?si=ils307xXQQpIdCwG
@etconp
Surveying instruments are essential in civil engineering for measuring angles, determining elevations, measuring distances, and establishing accurate positions on construction sites.
🔹 1. THEODOLITE
A theodolite is used to measure horizontal and vertical angles accurately. It is commonly used in alignment, traversing, setting out, and construction surveying.
📌 Key points:
✅ Measures horizontal and vertical angles.
✅ Least count depends on the instrument model.
✅ Common examples include 20″ and 1′, depending on the instrument.
✅ Always check the manufacturer's specifications.
🔹 2. AUTOMATIC LEVEL & LEVELLING STAFF
An automatic level is used to determine differences in elevation between points. The levelling staff provides readings used to calculate reduced levels (RLs).
📌 Key points:
✅ Used for levelling and determining elevations.
✅ Helps establish formation levels, foundation levels, and road gradients.
✅ Reading precision depends on staff graduations, instrument quality, and observation technique.
✅ Staff graduations are commonly marked in centimetres, with finer subdivisions depending on the staff.
🔹 3. METRIC CHAIN
A metric chain is used to measure ground distances during surveying.
📌 Key points:
✅ Common standard lengths: 20 m and 30 m.
✅ Traditional metric chains may contain 100 or 150 links, respectively.
✅ Each link is typically 0.20 m long.
✅ Made of steel links with handles at both ends.
🔹 4. PRISMATIC COMPASS
A prismatic compass is used to measure magnetic bearings of survey lines.
📌 Key points:
✅ Helps determine the direction of survey lines.
✅ Commonly uses whole-circle bearings from 0° to 360°.
✅ Reading graduations depend on the instrument model.
✅ Magnetic interference from steel structures and electrical equipment can affect readings.
🔹 5. LANDINGS IN BUILDINGS
A landing is a horizontal platform provided between flights of stairs or at a change in direction.
📌 Key points:
✅ Provides a resting space.
✅ Improves stairway safety and circulation.
✅ Landing dimensions must comply with the applicable building code.
✅ Proper design considers stair width, accessibility, headroom, and occupant safety.
💡 CIVIL ENGINEERING TIP:
Choosing the correct surveying instrument and using proper measurement techniques are essential for accurate setting out, levelling, alignment, and construction quality control.
📚 Save this post for your civil engineering studies and site work!
🌐ለተጨማሪ መረጃ እና ሌሎች የኮንስትራክሽን ዘርፍ ዜናዎች የ YouTube ገፃችን ከታች ባለው ሊንክ በመግባት SubScribe አርገው ቤተሰብ ይሁኑ👇
https://youtube.com/@ethiopianconstruction7?si=ils307xXQQpIdCwG
@etconp
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👍4🥰2
👉Triaxial Shear Force ምን ማለት ነው❓
🚥የአፈር ወይም የድንጋይ ናሙና ከሦስቱም አቅጣጫዎች ጫና (Pressure) እያረፈበት ባለበት ሁኔታ፣ በውስጡ የሚፈጠረው የመንሸራተት ኃይል ነው።
▶️በተፈጥሮ ውስጥ አፈር ከመሬት በታች ሲሆን ከሁሉም አቅጣጫ በዙሪያው ባለው አፈር ተጨኖ (Confined ሆኖ) ነው የሚኖረው። ይህንን ተፈጥሯዊ ሁኔታ በቤተ-ሙከራ (Lab) ውስጥ ለመምሰል Triaxial Test የሚባል ምርመራ ይደረጋል፦
⏺የከበበ ጫና (Confining Pressure ) የአፈሩ ናሙና ውሃ ባለበት ሲሊንደር ውስጥ ይገባና ከሁሉም አቅጣጫ እኩል የሆነ ፈሳሽ ጫና እንዲያርፍበት ይደረጋል (ይህ አፈሩ ከመሬት በታች ያለውን ሁኔታ ይወክላል)።
🔆ቀጥተኛ ጫና (Axial Load )
⏺በመቀጠል ናሙናው ላይ ከላይ ብቻ ተጨማሪ ኃይል ይጫናል። ውጤቱ (Shear Failure) ከላይ የሚመጣው ጫና እየጨመረ ሲሄድ፣ አፈሩ ጫናውን መቋቋም አቅቶት በሰያፍ (በአግድም አቅጣጫ) ይንሸራተታል። ይህ እንዲንሸራተት የሚያደርገው ኃይል Triaxial Shear Force ይባላል።
☄ለምን ይጠቅማል? (አስፈላጊነቱ)‼️
⏺የሲቪል መሐንዲሶች ይህንን ምርመራ እና ኃይል የሚያጠኑት ለሚከተሉት ዋና ዋና ምክንያቶች ነው
1. የሕንፃ መሠረት (Foundation) ጥንካሬን ለማወቅ
2. መሬቱ የተሰራበትን ሕንፃ ክብደት መሸከም ይችል እንደሆነ ወይም አፈሩ ተሸርሽሮ ሕንፃው ሊሰምጥ እንደሚችል ለማረጋገጥ
3. የመሬት መንሸራተትን (Slope Stability) ለመከላከል
4. በተራራማ ቦታዎች ላይ መንገድ ሲሰራ ወይም ግድብ ሲገነባ የመሬት መንሸራተት አደጋ እንዳይከሰት
5. የግድቦች (Dams) እና የመንገዶች ደህንነት ግድቡ የያዘውን ከፍተኛ የውሃ ግፊት አፈሩ መቋቋም መቻሉን ለማረጋገጥ።
@etconp
🚥የአፈር ወይም የድንጋይ ናሙና ከሦስቱም አቅጣጫዎች ጫና (Pressure) እያረፈበት ባለበት ሁኔታ፣ በውስጡ የሚፈጠረው የመንሸራተት ኃይል ነው።
▶️በተፈጥሮ ውስጥ አፈር ከመሬት በታች ሲሆን ከሁሉም አቅጣጫ በዙሪያው ባለው አፈር ተጨኖ (Confined ሆኖ) ነው የሚኖረው። ይህንን ተፈጥሯዊ ሁኔታ በቤተ-ሙከራ (Lab) ውስጥ ለመምሰል Triaxial Test የሚባል ምርመራ ይደረጋል፦
⏺የከበበ ጫና (Confining Pressure ) የአፈሩ ናሙና ውሃ ባለበት ሲሊንደር ውስጥ ይገባና ከሁሉም አቅጣጫ እኩል የሆነ ፈሳሽ ጫና እንዲያርፍበት ይደረጋል (ይህ አፈሩ ከመሬት በታች ያለውን ሁኔታ ይወክላል)።
🔆ቀጥተኛ ጫና (Axial Load )
⏺በመቀጠል ናሙናው ላይ ከላይ ብቻ ተጨማሪ ኃይል ይጫናል። ውጤቱ (Shear Failure) ከላይ የሚመጣው ጫና እየጨመረ ሲሄድ፣ አፈሩ ጫናውን መቋቋም አቅቶት በሰያፍ (በአግድም አቅጣጫ) ይንሸራተታል። ይህ እንዲንሸራተት የሚያደርገው ኃይል Triaxial Shear Force ይባላል።
☄ለምን ይጠቅማል? (አስፈላጊነቱ)‼️
⏺የሲቪል መሐንዲሶች ይህንን ምርመራ እና ኃይል የሚያጠኑት ለሚከተሉት ዋና ዋና ምክንያቶች ነው
1. የሕንፃ መሠረት (Foundation) ጥንካሬን ለማወቅ
2. መሬቱ የተሰራበትን ሕንፃ ክብደት መሸከም ይችል እንደሆነ ወይም አፈሩ ተሸርሽሮ ሕንፃው ሊሰምጥ እንደሚችል ለማረጋገጥ
3. የመሬት መንሸራተትን (Slope Stability) ለመከላከል
4. በተራራማ ቦታዎች ላይ መንገድ ሲሰራ ወይም ግድብ ሲገነባ የመሬት መንሸራተት አደጋ እንዳይከሰት
5. የግድቦች (Dams) እና የመንገዶች ደህንነት ግድቡ የያዘውን ከፍተኛ የውሃ ግፊት አፈሩ መቋቋም መቻሉን ለማረጋገጥ።
@etconp
❤3👍2🥰1
🏗️🔥 ሲቪል ኢንጂነር ነዎት? Excelን በሙያዎ ውስጥ በብቃት ይጠቀሙ!
📘 EXCEL FOR CIVIL ENGINEERS 🇪🇹
የግንባታ ስራዎችን በቀላሉ፣ በፍጥነትና በሙያዊ መንገድ ለማከናወን ይማሩ!
✅ Quantity Takeoff & BOQ
✅ Cost Estimation & Unit Rate Analysis
✅ Reinforcement & BBS
✅ Roadwork & Earthwork Calculations
✅ Project Management & Cost Control
✅ ተግባራዊ Excel Templates እና Formulas ያካተተ
🚀 ጊዜዎን ይቆጥቡ፣የሙያ ክህሎትዎን ያሳድጉ፣በExcel የተሻለ የስራ ውጤት ያስመዝግቡ!
📩ፋይሉ እና ሲስተሙን ከፈለጉ ከታች ባለው ሊንክ ያውርዱት👇
https://ye-buna.com/etconp?ref=product_detail&product=6addfbff6cc54_etconp
📘 EXCEL FOR CIVIL ENGINEERS 🇪🇹
የግንባታ ስራዎችን በቀላሉ፣ በፍጥነትና በሙያዊ መንገድ ለማከናወን ይማሩ!
✅ Quantity Takeoff & BOQ
✅ Cost Estimation & Unit Rate Analysis
✅ Reinforcement & BBS
✅ Roadwork & Earthwork Calculations
✅ Project Management & Cost Control
✅ ተግባራዊ Excel Templates እና Formulas ያካተተ
🚀 ጊዜዎን ይቆጥቡ፣የሙያ ክህሎትዎን ያሳድጉ፣በExcel የተሻለ የስራ ውጤት ያስመዝግቡ!
📩ፋይሉ እና ሲስተሙን ከፈለጉ ከታች ባለው ሊንክ ያውርዱት👇
https://ye-buna.com/etconp?ref=product_detail&product=6addfbff6cc54_etconp
👍4❤1🥰1
👉በኢትዮጵያ Standard Bidding Document (SBD) መሰረት፣ የፋይናንስ ነጥብ የሚሰላው ዝቅተኛውን ዋጋ ያቀረበውን ተጫራች መነሻ በማድረግ ነው።
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🌟የፋይናንስ ነጥብ ቀመር (Formula)
የፋይናንስ ነጥብ = (ዝቅተኛው ዋጋ ÷ የተጫራቹ ዋጋ) × 70
📌በዚህ ምሳሌ ውስጥ ዝቅተኛው ዋጋ 90 ሚሊዮን ብር ሲሆን ያቀረበው ተቋራጭ “C” ነው።
📑1 & 2. የፋይናንስ እና የአጠቃላይ ነጥብ ስሌት
🔹ተቋራጭ A
🏗️ የቴክኒክ ነጥብ፦ 26/30
💰 የፋይናንስ ነጥብ፦ (90 ÷ 95) × 70 = 66.32
✅ አጠቃላይ ነጥብ፦ 92.32
🔹ተቋራጭ B
🏗️ የቴክኒክ ነጥብ፦ 29/30
💰 የፋይናንስ ነጥብ፦ (90 ÷ 100) × 70 = 63.00
✅ አጠቃላይ ነጥብ፦ 92.00
🔹ተቋራጭ C
🏗️ የቴክኒክ ነጥብ፦ 24/30
💰 የፋይናንስ ነጥብ፦ (90 ÷ 90) × 70 = 70.00
✅ አጠቃላይ ነጥብ፦ 94.00
🏆 3. የተቋራጮች ደረጃ (Ranking)
🥇 1ኛ – ተቋራጭ C ➜ 94.00 ነጥብ
🥈 2ኛ – ተቋራጭ A ➜ 92.32 ነጥብ
🥉 3ኛ – ተቋራጭ B ➜ 92.00 ነጥብ
🎯 4. የጨረታው አሸናፊ
📌 የቴክኒክ (30%) እና የፋይናንስ (70%) ነጥቦች ተደምረው ሲገመገሙ፣ ተቋራጭ “C” በ94.00 ነጥብ ከፍተኛውን ውጤት በማስመዝገብ የጨረታው አሸናፊ ይሆናል።🏆
✅ ስለዚህ ውሉን ለተቋራጭ “C” መስጠት ይመከራል።
💡 ትምህርቱ: በ70% ፋይናንስ – 30% ቴክኒክ የግምገማ ስርዓት ውስጥ ዝቅተኛ ዋጋ ብቻ ወይም ከፍተኛ የቴክኒክ ነጥብ ብቻ አሸናፊነትን አያረጋግጥም፤ የመጨረሻው ውሳኔ በአጠቃላይ የተመዘነ (Weighted) ነጥብ መሰረት ይሰጣል📚
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👉ጨረታ ማዘጋጀት አሰልችቶዎታል?
📑የጨረታ ሰነድ ማዘጋጀት፥ አሁን ከበፊቱ ይበልጥ ቀላል እና ፈጣን ሆነ
🌟የኢትዮጵያን PPA 2025 Standard Bidding Document መስፈርቶች መሰረት አድርጎ በኤክሴል (Excel) የተዘጋጀው ዘመናዊው TENDER PREPARATION SUITE ከዚህ በታች ባለው ሊንክ አውርደው ይጠቀሙ በስህተት እና ባለመሟላት የሚሰረዙ ሰነዶችን ያስቀሩ👇
https://ye-buna.com/etconp?ref=product_detail&product=6ab1114dcd55e_etconp
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🌟የፋይናንስ ነጥብ ቀመር (Formula)
የፋይናንስ ነጥብ = (ዝቅተኛው ዋጋ ÷ የተጫራቹ ዋጋ) × 70
📌በዚህ ምሳሌ ውስጥ ዝቅተኛው ዋጋ 90 ሚሊዮን ብር ሲሆን ያቀረበው ተቋራጭ “C” ነው።
📑1 & 2. የፋይናንስ እና የአጠቃላይ ነጥብ ስሌት
🔹ተቋራጭ A
🏗️ የቴክኒክ ነጥብ፦ 26/30
💰 የፋይናንስ ነጥብ፦ (90 ÷ 95) × 70 = 66.32
✅ አጠቃላይ ነጥብ፦ 92.32
🔹ተቋራጭ B
🏗️ የቴክኒክ ነጥብ፦ 29/30
💰 የፋይናንስ ነጥብ፦ (90 ÷ 100) × 70 = 63.00
✅ አጠቃላይ ነጥብ፦ 92.00
🔹ተቋራጭ C
🏗️ የቴክኒክ ነጥብ፦ 24/30
💰 የፋይናንስ ነጥብ፦ (90 ÷ 90) × 70 = 70.00
✅ አጠቃላይ ነጥብ፦ 94.00
🏆 3. የተቋራጮች ደረጃ (Ranking)
🥇 1ኛ – ተቋራጭ C ➜ 94.00 ነጥብ
🥈 2ኛ – ተቋራጭ A ➜ 92.32 ነጥብ
🥉 3ኛ – ተቋራጭ B ➜ 92.00 ነጥብ
🎯 4. የጨረታው አሸናፊ
📌 የቴክኒክ (30%) እና የፋይናንስ (70%) ነጥቦች ተደምረው ሲገመገሙ፣ ተቋራጭ “C” በ94.00 ነጥብ ከፍተኛውን ውጤት በማስመዝገብ የጨረታው አሸናፊ ይሆናል።🏆
✅ ስለዚህ ውሉን ለተቋራጭ “C” መስጠት ይመከራል።
💡 ትምህርቱ: በ70% ፋይናንስ – 30% ቴክኒክ የግምገማ ስርዓት ውስጥ ዝቅተኛ ዋጋ ብቻ ወይም ከፍተኛ የቴክኒክ ነጥብ ብቻ አሸናፊነትን አያረጋግጥም፤ የመጨረሻው ውሳኔ በአጠቃላይ የተመዘነ (Weighted) ነጥብ መሰረት ይሰጣል📚
━━━━━━━━━━━━━
👉ጨረታ ማዘጋጀት አሰልችቶዎታል?
📑የጨረታ ሰነድ ማዘጋጀት፥ አሁን ከበፊቱ ይበልጥ ቀላል እና ፈጣን ሆነ
🌟የኢትዮጵያን PPA 2025 Standard Bidding Document መስፈርቶች መሰረት አድርጎ በኤክሴል (Excel) የተዘጋጀው ዘመናዊው TENDER PREPARATION SUITE ከዚህ በታች ባለው ሊንክ አውርደው ይጠቀሙ በስህተት እና ባለመሟላት የሚሰረዙ ሰነዶችን ያስቀሩ👇
https://ye-buna.com/etconp?ref=product_detail&product=6ab1114dcd55e_etconp
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👉ስኮላርሽፕ ለማመልከት ከብዶታል?
✅ እንዴት Scholarship ማመልከት እንደሚችሉ ደረጃ-በደረጃ ይመራዎታል።
✅ከ 480+ አስተማማኝ የስኮላርሺፕ ድረ-ገጾችን ያካተተ
✅ ለ12ኛ ክፍል ጨምሮ ለቅድመ-ምረቃ (Undergraduate)፣ ለማስተርስ (Master’s) እና ለዶክትሬት (PhD) ተማሪዎች ተብሎ የተዘጋጀ
📗አሁኑኑ መፅሐፉን ከታች ባለው ሊንክ ያውርዱት👇👇👇
https://ye-buna.com/etconp?ref=product_detail&product=6ad8386b95dd8_etconp
✅ እንዴት Scholarship ማመልከት እንደሚችሉ ደረጃ-በደረጃ ይመራዎታል።
✅ከ 480+ አስተማማኝ የስኮላርሺፕ ድረ-ገጾችን ያካተተ
✅ ለ12ኛ ክፍል ጨምሮ ለቅድመ-ምረቃ (Undergraduate)፣ ለማስተርስ (Master’s) እና ለዶክትሬት (PhD) ተማሪዎች ተብሎ የተዘጋጀ
📗አሁኑኑ መፅሐፉን ከታች ባለው ሊንክ ያውርዱት👇👇👇
https://ye-buna.com/etconp?ref=product_detail&product=6ad8386b95dd8_etconp
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🏗️ የትኛው የቦሎኬት አደራደር የተሻለ ነው? 🤔
🌟በግንባታ ሥራ ውስጥ የቦሎኬት አደራደር የግድግዳውን ጥንካሬና ዘላቂነት ለመጠበቅ አስፈላጊ ነው🧱
🔵 A — የቦሎኬት ቋሚ መገጣጠሚያዎች በአንድ መስመር የተደረደሩበት።
🟢 B — የቦሎኬት ቋሚ መገጣጠሚያዎች እየተፈራረቁ የተደረደሩበት።
👷♂️ በአጠቃላይ B የተሻለ የቦሎኬት አደራደር ነው! ምክንያቱም የቋሚ መገጣጠሚያዎች መፈራረቅ የግድግዳውን መረጋጋትና የመያዝ ችሎታ ያሻሽላል።
❓ አንተ በሳይት ላይ A ወይስ B ትጠቀማለህ?
👇 መልስህን በኮመንት ላይ ጻፍ!
📌 ለተጨማሪ የግንባታ እውቀትና የሲቪል ምህንድስና ምክሮች ገጻችንን ተከታተል!
@etconp
🌟በግንባታ ሥራ ውስጥ የቦሎኬት አደራደር የግድግዳውን ጥንካሬና ዘላቂነት ለመጠበቅ አስፈላጊ ነው🧱
🔵 A — የቦሎኬት ቋሚ መገጣጠሚያዎች በአንድ መስመር የተደረደሩበት።
🟢 B — የቦሎኬት ቋሚ መገጣጠሚያዎች እየተፈራረቁ የተደረደሩበት።
👷♂️ በአጠቃላይ B የተሻለ የቦሎኬት አደራደር ነው! ምክንያቱም የቋሚ መገጣጠሚያዎች መፈራረቅ የግድግዳውን መረጋጋትና የመያዝ ችሎታ ያሻሽላል።
❓ አንተ በሳይት ላይ A ወይስ B ትጠቀማለህ?
👇 መልስህን በኮመንት ላይ ጻፍ!
📌 ለተጨማሪ የግንባታ እውቀትና የሲቪል ምህንድስና ምክሮች ገጻችንን ተከታተል!
@etconp
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👉ኮንስትራክሽን ላይ መሰረታዊ እና ጠቃሚ ስታንዳርዶች እና ፎርሙላዎች የያዘ ምርጥ መፅሐፍ ከፈለጉ ከታች ባለው ሊንክ ያውርዱት👇
https://ye-buna.com/etconp?ref=product_detail&product=6a829b4fccff0_etconp
https://ye-buna.com/etconp?ref=product_detail&product=6a829b4fccff0_etconp
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🏗️ Construction Project Management & Cost Control System
🇪🇹 ለኢትዮጵያ የኮንስትራክሽን ፕሮጀክቶች የተዘጋጀ ሙሉ የExcel ሲስተም!
የግንባታ ፕሮጀክትዎን BOQ፣ ወጪ፣ ክፍያ፣ ፕሮግረስ፣ Cash Flow እና የፕሮጀክት አፈጻጸም በአንድ እና ሙሉ በሙሉ Editable Excel System ያስተዳድሩ!
✅ BOQ & Quantity Takeoff
✅ Cost & Actual Cost Tracking
✅ Payment & IPC Management
✅ EVM – Earned Value Management
✅ Cash Flow & P&L Analysis
✅ Variation & Change Log
✅ Advance Payment & Retention
✅ Risk & Milestone Tracking
✅ Unit Rate Library
✅ Payment History
✅ Real-Time Project Monitoring
✅ Unlimited Data
📘 User Guide Included
👷 ለContractors፣ Project Managers፣ Quantity Surveyors፣ Engineers፣ Consultants እና Construction Companies ተስማሚ👇
https://ye-buna.com/etconp?ref=product_detail&product=6ab379e956fc3_etconp
🇪🇹 ለኢትዮጵያ የኮንስትራክሽን ፕሮጀክቶች የተዘጋጀ ሙሉ የExcel ሲስተም!
የግንባታ ፕሮጀክትዎን BOQ፣ ወጪ፣ ክፍያ፣ ፕሮግረስ፣ Cash Flow እና የፕሮጀክት አፈጻጸም በአንድ እና ሙሉ በሙሉ Editable Excel System ያስተዳድሩ!
✅ BOQ & Quantity Takeoff
✅ Cost & Actual Cost Tracking
✅ Payment & IPC Management
✅ EVM – Earned Value Management
✅ Cash Flow & P&L Analysis
✅ Variation & Change Log
✅ Advance Payment & Retention
✅ Risk & Milestone Tracking
✅ Unit Rate Library
✅ Payment History
✅ Real-Time Project Monitoring
✅ Unlimited Data
📘 User Guide Included
👷 ለContractors፣ Project Managers፣ Quantity Surveyors፣ Engineers፣ Consultants እና Construction Companies ተስማሚ👇
https://ye-buna.com/etconp?ref=product_detail&product=6ab379e956fc3_etconp
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Ethiopian Construction Vacancy & Tender
👉የግንባታ ላይ አደጋ❗️ 📍ናይሮቢ÷ኬንያ 🚧በዛሬው እለት ናይሮቢ ውስጥ በግንባታ ላይ ያለ ባለ 16 ወለል ህንጻ ተንዷል። 🏷የናዳው ምክንያት እና በሰዎች ላይ የደረሰው አደጋ አልተዘገበም። 💫በአገራችን ይህ አይነት አደጋ ቢያጋጥም የግንባታው ይሁን የንድፉ ችግር ይሄንን ማምጣቱን የሚመረምር ተቋም ሆነ ቡድን ይኖር ይሆን? @etconp
🏗️ TYPES OF BUILDING STRUCTURAL COLLAPSE
☄️Understanding structural failures is essential for civil engineers, structural engineers, site engineers, and construction professionals.
🔹 1. Pancake Collapse
Occurs when multiple floors collapse vertically onto one another, often due to the failure of columns or other critical structural elements.
🔹 2. Progressive Collapse
Occurs when the failure of one structural element triggers the failure of other elements, causing a larger portion of the building to collapse.
🔹 3. Soft-Story Collapse
Happens when a weak or flexible floor, commonly an open ground floor used for parking or shops, fails under earthquake forces.
🔹 4. Column Failure
Occurs when columns lose their ability to carry structural loads due to overloading, poor reinforcement detailing, or inadequate concrete strength.
🔹 5. Beam Failure
Occurs when beams fail under excessive bending moments, shear forces, or other loads beyond their structural capacity.
🔹 6. Punching Shear Failure
Occurs when a column punches through a concrete slab, commonly in flat-slab systems, due to excessive shear stress around the column.
🔹 7. Foundation Failure
Occurs when the foundation or supporting soil cannot safely carry the building loads, potentially causing settlement, tilting, or collapse.
🔹 8. Shear Wall Failure
Happens when structural walls lose their ability to resist lateral forces caused by earthquakes or wind.
🔹 9. Buckling Failure
Occurs when a compression member, such as a slender column, becomes unstable and bends under compressive loading.
🔹 10. Partial Collapse
Occurs when only a portion of a building, such as a floor, roof, or structural bay, collapses while the remaining structure stays standing.
🔹 11. Total or Global Collapse
Occurs when the building as a whole loses its structural stability, resulting in the collapse of most or all of the structure.
🔹 12. Fire-Induced Collapse
Happens when high temperatures reduce material strength, damage connections, or cause excessive deformation of structural elements.
🔹 13. Earthquake-Induced Collapse
Occurs when seismic forces and deformations exceed the building's capacity, often due to inadequate seismic design or poor reinforcement detailing.
🔹 14. Roof Collapse
Occurs when roof elements or connections fail due to excessive loading, strong winds, fire, corrosion, or construction defects.
⚠️ KEY ENGINEERING LESSON
Building collapse can often be prevented or its consequences reduced through proper structural design, soil investigation, quality materials, correct reinforcement detailing, effective site supervision, and compliance with applicable building codes.
@etconp
☄️Understanding structural failures is essential for civil engineers, structural engineers, site engineers, and construction professionals.
🔹 1. Pancake Collapse
Occurs when multiple floors collapse vertically onto one another, often due to the failure of columns or other critical structural elements.
🔹 2. Progressive Collapse
Occurs when the failure of one structural element triggers the failure of other elements, causing a larger portion of the building to collapse.
🔹 3. Soft-Story Collapse
Happens when a weak or flexible floor, commonly an open ground floor used for parking or shops, fails under earthquake forces.
🔹 4. Column Failure
Occurs when columns lose their ability to carry structural loads due to overloading, poor reinforcement detailing, or inadequate concrete strength.
🔹 5. Beam Failure
Occurs when beams fail under excessive bending moments, shear forces, or other loads beyond their structural capacity.
🔹 6. Punching Shear Failure
Occurs when a column punches through a concrete slab, commonly in flat-slab systems, due to excessive shear stress around the column.
🔹 7. Foundation Failure
Occurs when the foundation or supporting soil cannot safely carry the building loads, potentially causing settlement, tilting, or collapse.
🔹 8. Shear Wall Failure
Happens when structural walls lose their ability to resist lateral forces caused by earthquakes or wind.
🔹 9. Buckling Failure
Occurs when a compression member, such as a slender column, becomes unstable and bends under compressive loading.
🔹 10. Partial Collapse
Occurs when only a portion of a building, such as a floor, roof, or structural bay, collapses while the remaining structure stays standing.
🔹 11. Total or Global Collapse
Occurs when the building as a whole loses its structural stability, resulting in the collapse of most or all of the structure.
🔹 12. Fire-Induced Collapse
Happens when high temperatures reduce material strength, damage connections, or cause excessive deformation of structural elements.
🔹 13. Earthquake-Induced Collapse
Occurs when seismic forces and deformations exceed the building's capacity, often due to inadequate seismic design or poor reinforcement detailing.
🔹 14. Roof Collapse
Occurs when roof elements or connections fail due to excessive loading, strong winds, fire, corrosion, or construction defects.
⚠️ KEY ENGINEERING LESSON
Building collapse can often be prevented or its consequences reduced through proper structural design, soil investigation, quality materials, correct reinforcement detailing, effective site supervision, and compliance with applicable building codes.
@etconp
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