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📌ከኳታር ምክትል ገዢ እጅ የወርቅ ሜዳሊያ በመቀበል በዶክትሬት የተመረቀውና ሁለተኛ ዶክትሬቱን በመስራት ላይ የሚገኘውን ይህንን እንቁ የኢትዮጵያ ልጅ ትሁት ወንድሜን እና ወዳጄን ዶ/ር ኢ/ር ታደሰን ላስተዋውቃችሁ
***
1. እ.አ.አ በ2012ዓ.ም በሲቪል ኢንጂነሪንግ የትምህርት መስክ ከአዳማ ሳይንስ እና ቴክኖሎጂ  4.0/4.0 በማምጣት  በእጅግ ከፍተኛ ነጥብ ተመርቋል።

2. 3ኛ ዓመት ተማሪ እያለ "ስትራክቸራል ኢንጂነሪንግ" በሚል ርዕስ መፅሐፍ እየፃፈ ነበር፤

3. በአዳማ ዩኒቨርሲቲ የድሮ መግቢያ በር ላይ በጩቤ 8 ቦታ ተወግቶ ላፕቶፑ በመሰረቁ ስራዎቹ ጠፍተውበት  የሚያመልከው ጌታ ሕይወቱን ታድጎታል።

4. እ.አ.አ በ2013 ዩኒቨርስቲው ከሳምሰንግ ጋር በመተባበር ከፍተኛ ውጤት ላስመዘገቡ አራት የሲቪል ምህንድስና ተማሪዎች የውጭ አገር የስራ እድል ሲሰጥ አንዱ ይህ ጀግና ወጣት ነበር።

5. ለሦስት ዓመታት በኳታር የዓለም ዋንጫ ፕሮጀክቶችን ሰርቷል።

6. ሁለተኛ ዲግሪውን ለመማር እድል የሰጠው የኳታር ዩኒቨርሲቲ እዛው በመምህርነት ቀጥሮታል።

7. በመምህርት እየሰራ እዛው በሲቪል ምህንድስና 4 ነጥብ በማምጣት፤ ከዶክትሬት ተመራቂዎች ከፍተኛ ውጤት በማስመዝገብ እና የዓመቱ ምርጥ ተመራማሪ በመባል ከኳታር ምክትል ገዢ እጅ የወርቅ ሜዳሊያ በመቀበል በዶክትሬት ተመርቋል።

8. ሁለተኛ ዶክትሬት ዲግሪውን በካናዳ ብሪቲሽ ኮሎምቢያ ዩኒቨርሲቲ በሌላ የትምህርት ዘርፍ እየሰራ ይገኛል።

9. በኳታር በሳይንስ እና ኢንጂነሪንግ ላይ ላደረገው የምርምር ስራ እና አስተዋፆ 2 የወርቅ ሜዳሊያ እና 10ሺ ሪያድ ተሸልሟል (ከ2019 እስከ 2022 ብቻ ከ25,000USD ገንዘብ ተበርክቶለታል።)

10. ከሁሉ በላይ  ያኔ ከበላተኛ መንጋጋ ነጥቆ በሕይወት ኑር ያለውን ጌታ የሚወድ እግዚአብሔር የሚፈራ ትሁት ወንድም ነው።

11. ብዙ የምርምር ሽልማቶችን እና የሪሰርች ኤዲተርነት ሽልማቶችን በየጊዜው የሚሸለም የሀገራችን እንቁ ልጅ ነው።

🌟የተሸለማቿውን ሽልማቶች ከታች ባለው ሊንክ መመልከት ትችላላችሁ

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Via Aklilu Tesfaye

@etconp

🔖ሰላም ውድ የቻናላችን ቤተሰቦች ይህ ቻናላቹ የ ኮንስትራክሽን ዲጅታል ቤተ መፅሃፍት እንዳለው ያውቃሉ?
.
📚ይህም ዲጂታል ቤተመፃህፍት በውስጡ የ SOFTWARE SETUP, የ ARCH, COTM  እና CIVIL መፅሀፍቶችን በ ሙሉ የያዘ ነው።

🚧ይህ የመጀመሪያ ምዕራፍ ግንባታ ሲሆን ለቀጣይ በአስተያየታችው መሰረት ብዙ ነገር ምናስተካክል ይሆናል።

👉ይህን link በመጫን ወደ ቤተመፃህፍቱ ልትሄዱ ትችላላችሁ።
👇👇👇👇👇👇
👉🏿 https://t.me/ETCONpDigitalLibrary_Bot

👉በነገራችን ላይ የመወያያ ግሩፓችን @COTMp በቀን ብዙ ጥያቄዎች ይስተናገዱበታል።

🚧ከ 8500 በላይ ቋሚ አባላት አለው።

🚧ብዙዎቻችን እንደ ቤተሰብ ሆነንበታል ምክንያቱም ሁሉም ጥያቄዎ ለመመለስ በደስታ የሚጠብቅበት ግሩፕ ነው።

🔖ጥያቄ? ካለዎት፣ ሌሎችን ማገዝ ከፈለጉ ከታች ባለው ሊንክ ይቀላቀሉን።👇

https://t.me/COTMp

👉For those Who need Internship

🌟Grade 1- contractors

1. 3M Engineering and construction plc
    Tel. +251911211050
    Address: Addis Ababa
2. Abebe Girmaye Building Contractor
    Tel. +251914301875
    Address: Tigray
3. Abera Lisanu Building Contractor
    Tel.+251911792386
    Address: Hawasa
4. Adam construction plc
    Tel. +251911202889
    Address: Addis Ababa
5. Africawit construction plc
    Tel. +251911201352
    Address: Addis Ababa
6. Afro-tsion construction plc
    Tel. 0116632150
          +251-118-50 3771,
          +251-11-667 2051
    Fax: +251-11-667 2020/57
    Address: Addis Ababa
7. Ahmet Aydeniz construction
    Tel. +251911410385
    Address: Addis Ababa
8. Alas construction plc
    Tel. +251911517332
    Address: Addis Ababa
9. ALTABE plc
    Tel. +251911510496
    Address: Addis Ababa
10. Amhara Road works enterprise
      Tel.+251918340986
      Address: Amhara
11. Amhara Building Works Construction Enterprise
      Tel. +251911009311
      Address: Amhara
12. Amhara Water Works Enterprise Construction
      Tel. 0582200480
      Address: Amhara
13. Anchor Foundation Specialist plc
      Tel. +251935400945
      Address:
14. Aser Construction plc
      Tel. 0116620357
      Address: Addis Ababa
15.  Bamacon Engineering plc
       Tel. 0116261335
       Address: Addis Ababa
16. C.G.C. OVERSEAS CONSTRUCTION ETHIOPIA
      LIMITED
      Tel. +251911758047
      Address:  Addis Ababa
17. Capstone Engineering
       Tel. +251911512423
       Address: Addis Ababa
18. Defence Construction and Engineering
       Enterprise
       Tel. 0114340948
       Address: Addis Ababa
19. Equator Engineering Construction plc
       Tel. +251911902436
       Address: Addis Ababa
20. Etete Construction
      Tel. +251911516970
      Address: Addis Ababa
21. Ethio Canadian Business Group
       Tel. +251910092805
       Address: Addis Ababa
22. Ethiopian Road Construction Corporation
       Tel. +251911144542
       Address: Addis Ababa
23. Flintstone Engineering
       Tel. 01146636331
       Address: Addis Ababa
24. GAD Construction plc
       Tel. 0114422223
       Address: Addis Ababa
25. Gemshu Beyene Construction plc
       Tel. +251911220678
       Address: Addis Ababa
26. Gutema Firisa Building Contractor
       Tel. +251911213975
       Address: Addis Ababa
27. Homa Construction plc
       Tel. +251911203670
       Address: Addis Ababa
28. Kasma Engineering plc
      Tel. +251930034821
      Address: Addis Ababa
29. Lucy Engineering plc
      Tel. +251929907130
      Address: Addis Ababa
30. MEDCON Engineering and Construction plc
       Tel. +251930077470
       Address: Addis Ababa
31. Midroc Foundation Specialist
       Tel. +251911515119
       Address: Addis Ababa
32. Orbit Engineering and Construction
       Tel. +251911205031
              +25111 662 5576
       Address: Addis Ababa
33. Oromia Roads Construction Enterprise
       Tel. +251911505122
       Address: Addis Ababa
34. Radar Construction plc
       Tel. +251930000536
       Address: Addis Ababa
35. Rama Construction plc
       Tel. +251911202892
       Address: Addis Ababa
36. Salini Construction spa
       Tel. +251911504263
       Address: Addis Ababa
37. Santa Maria Construction plc
       Tel.+251911200607
       Address: Addis Ababa
38. SATCON Construction
      Tel. +251911206142
      Address: Addis Ababa
39. Sunshine Construction
       Tel. 0115513289
       Address: Addis Ababa
40. Yotek Construction plc
       Tel. 0115573196
       Address: Addis Ababa

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👉Prestressed Concrete

🌟A member where the concrete is prestressed by the longitudinal reinforcing steel(tendons) before being subject to external loading is described as prestressed concrete. The tendons are of high strength steel (1000 to 2000MPa) and the concrete, a also at high strength (50 to 90MPa).

🌟There are two methods of manufacturing

1⃣Pretensioning the tendons before casting the concrete
2⃣Post tensioning the tendons after casting the concrete

🌟A pretensioned member is manufactured by, first, pretensioning the steel tendons over the length of the casting bed, and anchoring the steel to rigid anchor blocks at either end. The tendons are generally in the form of straight high tensile steel wires varying in diameter from 2 to 7 mm. The concrete is then cast around the tendons using shuttering to form the required shape of cross section of the member. Generally within 3 days, using accelerated curing techniques, the concrete has gained sufficient strength to be able to transfer the prestressing force to the concrete by releasing the anchorages. The shuttering is then removed and the casting bed can be used again.

🌟Post tensioned member is manufactured by first preparing the shuttering which supports sheaths or ducts. The ducts contain unstressed tendons in the form of straight or curved cables, or bars, which are free to move in the direction of their length but are restrained to prevent movement transversely. The concrete is then poured into the mould and allowed to gain strength. There is less urgency in this methods of manufacture and the shuttering is removed after a few days. Later, when the concrete has matured the steel is stressed by jacking against the ends of the beam and anchored using wedges for cables, or nuts on threaded rods for bars. The method is suitable for members of different cross section and for members which are cast in place on the construction sites where road access us difficult.

🌟The advantages of prestressed concrete as compared with ordinary reinforced concrete are

✅Reduced self weight of members
✅No cracks at service load and consequently better durability
✅Increased shear resistance

🌟The disadvantage of prestressed concrete as compared with ordinary reinforced concrete are

❎Increased cost of materials and shuttering
❎Greater supervision required to ensure concrete strength and magnitude of prestress forces,
❎Design calculations are more extensive.  
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👉The Role of estimating in the construction industry

🌟Estimates serve a number of different functions in the construction process.once the design of the project is underway,budget amounts can be established for the various elements of the project using procedures for a preliminary estimate.these cost budgets are compiled in a cost plan are verified from time to time during the design phase using more accurate estimating methods based on the specific design details that emerge in this phase of the project.

📌PROJECT PHASES

》program phase...owner considers the feasibility of the purposed project.

》schematic phase...designers prepare preliminary sketches of the project.

》Design development phase...the scope of work of the project is developed.

》contract documents phase...drawings and specifications are finalized these define the scope of work that forms the basis of the  contractor's bid.

》contractor selection phase...contractor's compete for the job and the successful contractor is awarded the contract.

》construction phase...construction work is executed.              

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👉Dynamic compaction is a method that is used to increase the density of the soil.

🌟The process involves dropping a heavy weight repeatedly on the ground at regularly spaced intervals.

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1⃣Smooth wheel rollers (or smooth drum rollers)

🌟Smooth wheel rollers that can also create vertical vibration during compaction. Smooth wheel rollers are suitable for proof rolling subgrades and for finishing the construction of fills with sandy or clayey soils. They provide 100% coverage under the wheels, and the contact pressure can be as high as 300 to 400 kN/m2. However, they do not produce a uniform unit weight of compaction when used on thick layers.

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2⃣Pneumatic rubber tired rollers

🌟Pneumatic rubber tired rollers are better in many respects than smooth wheel rollers. Pneumatic rollers, which may weigh as much as 2000kN, consist of a heavily loaded wagon with several rows of tires. The tires are closely spaced four to six in a row. The contact pressure under the tires may range up to 600 to 700 kN/m2, and they give about 70 to 80% coverage. Pneumatic rollers, which can be used for sandy and clayey soil compaction, produce a communication of pressure and kneading action.

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3⃣Sheeps foot rollers

🌟Sheepsfoot rollers consist basically of drums with large numbers of projections. The area of each of the projections may be 25 to 90 cm2. These rollers are most effective in compacting cohesive soils. The contact pressure under the projections may range from 1500 to 7500kN/m2. During compaction in the field, the initial passes compact the lower portion of a lift.

During compaction in the field, the initial passes compact the lower portion of a lift. Later, the middle and top of the lift are compacted.

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4⃣Vibratory rollers

4⃣Vibratory rollers are efficient in compacting granular soils. Vibrators can be attached to smooth wheel, pneumatic rubber tired or sheepsfoot rollers to send vibrations into the soil being compacted.

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