ADVERTISMENT

ታምራት ፕሌት እና ጄ ቦልት አቅራቢ

✅የምንሰጣቸው አገልግሎቶች

🔅 ፕሌት any Size & thickness
🔅 ጄ ቦልት (ጥርስ ማዉጣትና ማጠፍ)

🔅 የተለያዩ  [modefic] ስራዎችን እንሰራለን።

♦️ ማንኛዉንም ብረታ ብረት እንገዛለን።

☎️ስልክ 0904040477 ወይም 0911016833 ደውለው ያግኙን
📱ቴሌግራም ላይ ፦https://t.me/heavenic1

አድራሻ፦  ቁ 1.መርካቶ
                ቁ.2 አየር ጤና  ኪዳነ ምህረት

ጥራትና ታማኝነት መለያችን ነው።
ታምራት ፕሌት እና ጄ ቦልት አቅራቢ

👉For normal concrete mixing:

💫Mixer Rotation Time (Drum Mixer)

⏺Minimum: 1.5 minutes
⏺Standard: 2–3 minutes after all materials are inside

⏺Maximum: No need to exceed 5 minutes (too long can cause segregation)

🏷If using a small site drum mixer:

⏺1 bag mix: 2–3 minutes
⏺½ bag mix: 1.5–2 minutes

🚧Important Notes

⏺Start the mixer first → add coarse aggregate + some water → then sand + cement → remaining water.

⏺Overmixing makes concrete harsh and may reduce strength.

⏺Undermixing gives weak, nonuniform concrete.

@etconp

👉the order of adding materials into the mixer DOES have an effect on the concrete quality

✅ Correct order (recommended)

1st Coarse aggregate (stone)
2nd Some water
3rd Sand
4th Cement
then The Remaining water

🏷This gives the best mixing efficiency and uniform strength.

❌For Example If you add in this order:
1. Sand → 2. Cement → 3. Aggregate

⚡️It can cause these problems:

⏺1. Cement sticks to sand (balling) Sand and cement form lumps also Harder to coat all aggregates.

⏺2. Poor coating of aggregate :-Cement paste won’t cover all stones properly.
Concrete becomes weak and non-uniform.

⏺3. Longer mixing time needed

⏺Mixer struggles to break cement–sand lumps.

⏺4. More dust and loss of fine materials

⏺Cement may blow out before water is added.

⭐ Conclusion

⚡️Mixing sand + cement first, then aggregate is not recommended.

⏺It will reduce workability, can reduce strength, and may require extra mixing time.

@etconp

👉የሶፍ ዑመር የባቡር መንገድ ግንባታ በተያዘው ዓመት ይጠናቀቃል

🚧በሶፍ ዑመር ዋሻና ሎጅ ፕሮጀክቶች ውስጥ ለቱሪስት አገልግሎት መስጫ እየተገነባ የሚገኘው የባቡር መስመር በተያዘው ዓመት እንደሚጠናቀቅ የኢትዮጵያ ምድር ባቡር ኮርፖሬሽን አስታወቀ።

የኢትዮጵያ ምድር ባቡር ኮርፖሬሽን የባቡር ዘርፍ ምክትል ስራ አስፈጻሚ ኢንጂነር ስለሺ ካሳ ለጋዜጣ ፕላስ እንደገለጹት፤ የባሌ አካባቢን ቱሪዝም ለማሳደግ ሶፍ ዑመር ላይ እየተገነባ ያለው የባቡር መንገድ ግንባታ በዚህ ዓመት ይጠናቀቃል።

ኢትዮጵያ ከአሏት ዕምቅ ሀብቶች መካከል አንዱ ቱሪዝም ነው ያሉት ኢንጂነር ስለሺ፤ ሀገሪቱን ባላት የቱሪዝም ሀብት ልክ ተጠቃሚ ለማድረግ በትራንስፖርት ማስተሳሰር ቀዳሚ አጀንዳ መሆኑን ጠቁመዋል።

በውስጥ አቅም በመገንባት የመጀመሪያ የሆነው ይህ ፕሮጀክት እስካሁን ከ50 በመቶ በላይ መጠናቀቁን ገልጸው፣ አጠቃላይ ርዝመቱ አምስት ኪሎ ሜትር መሆኑን አስረድተዋል።

የባቡር መንገዱ በቀጣይም እንደ ሁኔታው ሊሰፋ የሚችልበት ዕድል መኖሩን ጠቅሰው፤ ለጎብኝዎች ያለ ስጋት መንቀሳቀስ የሚያስችል መሆኑን አብራርተዋል።

በሀገሪቱ በአጠቃላይ የባቡር መስመሮች ላይ ስራዎች እየተሰሩ መሆኑን የጠቀሱት ኢንጂነር ስለሺ፤ አዋሽ - ኮምቦልቻ - ሀራ ገበያ የባቡር መንገድ ከዚህ በፊት የነበረውን የመሠረተ ልማት ስርቆት ችግር በመቅረፍ ከአማራና ከአፋር ክልሎች ጋር በተሰራ ስራ መቀነስ መቻሉን አያይዘው አመልክተዋል።

የባቡር መስመሩ አገልግሎቱን ለማስጀመር በውስጥ አቅም የመጠገን ተግባራት እየተከናወኑ ሲሆን፤ በቅርቡም ወደ ስራ ለማስገባት እየተሰራ መሆኑን ገልጸዋል።

@etconp

👉What do you think the Problem on the Picture?

🚧Answer: Structure failer due to lack of stability.

⭐️why?

⏺The water tank is placed on a tall, slender steel frame.

⏺There is no cross-bracing (X-bracing or K-bracing) to resist lateral forces (wind, water sloshing, seismic loads, etc.).

⏺Without bracing, the whole frame can sway or buckle sideways under the heavy load of the full water tank (which can weigh several liters).

⏺The small base compared to the height makes it even more unstable.

❇️In short: The stand is dangerously weak against horizontal forces and can collapse.

🎲How to design and what factors to be considered in steel structure design?

We Will Continue to answer this...👆

@etconp

👉Reinforcement bars (rebar) are added to concrete structures for strength, safety, and durability.

🚧Here are the main benefits explained simply:

✅ Benefits of Reinforcement Bars (Rebar) in Building Structures

1. Increases Tensile Strength
Concrete is strong in compression but very weak in tension.

Rebar provides tensile strength, helping the structure resist:Bending,Stretching,Cracking

2. Controls and Minimizes Cracks

Rebar holds cracked sections together and stops cracks from spreading.

This makes the structure safer and more durable over time.

3. Improves Load-Carrying Capacity

Reinforced concrete can support:Heavy loads (floors, beams, slabs)

Dynamic loads (vehicles, wind, earthquakes)

4. Enhances Structural Stability

Rebar helps the building withstand:

Earthquake forces
Wind pressure
Vibration
Settlement

5. Increases Durability and Life Span

Reinforcement bars protect concrete from:

Sudden failure
Fatigue
Wear and tear
This increases the overall life of the structure.

6. Provides Ductility (Warning Before Failure)

Concrete alone breaks suddenly (brittle).

Rebar gives ductility, meaning:
The structure bends before failing People get time to evacuate Collapse is prevented

7. Helps Create Complex Structural Shapes

Reb​​​ar can be bent into:

Beams
Columns
Slabs
Footings
Arches
Allowing more design flexibility.

@etconp

👉በ6 ሰዓታት ውስጥ 2.4 ኪ.ሜ የአስፋልት ንጣፍ ያከናወኑት ቻይናውያን አድስ ሪከርድ አስመዝግቧል

🚧በቤጂንግ የሚገኙ ቻይናውያን የመንገድ ግንባታ ሠራተኞች፤ 2.4 ኪሎ ሜትር ርዝመት ያለውን መንገድ በ6 ሰዓታት ውስጥ ብቻ አስፋልት በማንጠፍ አዲስ ሪከርድ አስመዝግበዋል።

💫በተለምዶ እንዲህ ዓይነቱን የአስፋልት ንጣፍ ሥራ ለማከናወን በርካታ ቀናትን አልፎ ተርፎም ሳምንታትን የሚወስድ ሲሆን፣ ይህም ከፍተኛ የትራፊክ መጨናነቅን ያስከትል ነበር።

⏺ሆኖም እነዚህ ቻይናውያን ባለሙያዎች መንገዱን ለቀናት ከመዝጋት ይልቅ፣ ሥራውን በ6 ሰዓታት ውስጥ ሙሉ በሙሉ አጠናቀዋል።

⏺በሌሎች የዓለም ሀገራት 2.4 ኪሎ ሜትር መንገድን በ24 ሰዓታት ውስጥ ማንጠፍ እንደ ስኬት ቢታይም፣ ይህንን ሥራ በ6 ሰዓታት ውስጥ ብቻ ያጠናቀቀ ከቻይና ውጪ ሌላ ሀገር የለም።

@etconp

👉 INTERCON Construction Chemicals 

● Concrete Admixtures
● Bonding Agents
● Waterproofings
● Wall Putty, Prime Coat
● Concrete Repair Mortar
● Floor hardener, Epoxy
● Grout, Self-level mortar
● Quartz paint, Contextra
● Tile Adhesive & Tile Joint Fillers 
● Geotextiles and other construction chemicals and materials

☎️ Tel: 0961955555

🔹 Address 1: Signal road, around
      Dinberwa Hospital

🔹 Addres 2: Wellosefer, Infront of
     Dani Plaza

ADVERTISMENT

ታምራት ፕሌት እና ጄ ቦልት አቅራቢ

✅የምንሰጣቸው አገልግሎቶች

🔅 ፕሌት any Size & thickness
🔅 ጄ ቦልት (ጥርስ ማዉጣትና ማጠፍ)

🔅 የተለያዩ  [modefic] ስራዎችን እንሰራለን።

♦️ ማንኛዉንም ብረታ ብረት እንገዛለን።

☎️ስልክ 0904040477 ወይም 0911016833 ደውለው ያግኙን
📱ቴሌግራም ላይ ፦https://t.me/heavenic1

አድራሻ፦  ቁ 1.መርካቶ
                ቁ.2 አየር ጤና  ኪዳነ ምህረት

ጥራትና ታማኝነት መለያችን ነው።
ታምራት ፕሌት እና ጄ ቦልት አቅራቢ

👉Practical, engineer-focused guide you can use to design a safe steel water-tank tower (tank-on-tower).

💫Here I’ll cover in ahort; the main factors, the design steps, important checks, and practical recommendations.

1) Define the project (inputs)

Tank capacity & geometry: storage volume (m³), tank diameter D and liquid depth h, tank material and empty tank mass.

Location data: site altitude, basic wind speed, seismic zone / response spectrum, mean annual temperature, frost.

Soil info: allowable bearing pressure, groundwater level.

Access & service: ladder, platform, handrail height, pipe connections, overflow, drainage.

Codes to apply: local building code or recognized standards (EBCS, AISC, Eurocode, IS, etc.) and tank standards (if applicable).

2) Loads to consider

Dead loads:
Tank self-weight (shell, base plate, roof if any).

Water weight:  (use 1000 kg/m³ for fresh water).

Live loads:
Maintenance live loads on platform/walkways (per code).

Hydrostatic loads:
Vertical (weight) and circumferential pressure on tank walls — handled by tank design, transmitted to support at tank footings or ring.

Wind loads:
Wind pressure on exposed tank and tower. Use code wind speed → pressure distribution. Consider drag on cylindrical tank and tower members; compute overturning moment.

Seismic loads:
Base shear applied to entire mass (tank + water + structure) using seismic coefficients from code (equivalent static or response spectrum). Consider impulsive and convective (sloshing) components for the liquid.

Sloshing / hydrodynamic effects:
For partially filled tanks, sloshing adds dynamic forces. Use appropriate tank-liquid interaction provisions in codes.

Temperature effects:
Thermal expansion constraints for long piping or large temperature swings.

Impact, surge, and pipe thrust:
Forces from filling/emptying, valves closing (water hammer mitigation needed).

Construction loads:
Erection phases and temporary bracing.

3) Load combinations & safety factors:

Apply the code’s required load combinations (dead + live + wind, dead + seismic + live, etc.).

Use appropriate partial safety factors for materials and loads as provided by your chosen design standard.

4) Global stability and geometry

Height-to-base ratio: keep tower as squat and wide as practical for stability.

Leg layout: vertical legs are preferable to slanted members that introduce eccentricity.

Bracing: provide diagonal cross-bracing (X or K bracing) in both orthogonal directions to resist lateral loads and prevent sway. Bracing should be continuous and tied into a rigid base.

Platform & ring beams: provide a rigid tank-support ring or grillage to distribute tank loads to legs evenly.

5) Member design checks

For each member (columns, bracings, beams):

Axial (compression/tension) — check axial capacity:  or . For compression consider buckling: slenderness . Use Euler/Empirical buckling formulas per code.

Combined bending + axial — check interaction (e.g.,  or code-specific interaction equations).

Shear & connections — shear, bolt shear, weld capacity. Check local plate shear where tank sits on support.

Deflection limits — serviceability limits for lateral drift and deflection under wind/seismic.

Fatigue — if cyclic loads significant (pumping, wind vortex shedding).

6) Foundation & anchorage

Base reactions: vertical loads, shear, overturning moment.

Design foundation: mass or spread footing sized with soil bearing pressure; or pile foundations if soil is weak.

Anchor bolts & base plate: design for tension (uplift), shear, and moment. Provide proper embedment, grout, and corrosion protection.

Uplift checks: under wind/seismic the foundation must resist uplift — include hold-down (anchor) design or increased weight of footing.

7) Tank support details

Tank support ring or grillage: a steel ring beam or support skirt that transfers load evenly to legs. Avoid point loads that cause local overstress.

Bearing/seat: allow for small rotation/settlement with flexible connection or neoprene pads if required.

@etconp