Revit_2021_1_1.exe
689.4 MB
🔴REVIT 2021-LATEST UPDATE(2021.1.1)
The Revit 2021 updates and hotfixs are cumulative and include all changes from previously released Revit 2021 updates.
📁Issues Resolved:
Align:Improved the stability when aligning grid lines.
Alignments:Fixed the issue that Revit will hang when importing bridge model including the alignment from InfraWorks to Revit.
Content Browser:Improved stability with family load when using Load Autodesk Family.
Duct/Pipe Display:Fixed an issue that caused a gap between a pipe and fitting when using single line display with "Use Annot. Scale for Single Line Fittings" enabled in Mechanical Settings.
Energy Model:Fixed an issue that caused an energy analytical model to contain analytical surfaces with missing geometry.
Help:Fixed the issue that help link is broken when customers press F1 on the Revit plug-in.
Parameters:Fixed an issue that was caused longer than expected delays when switching views.
@etconp
The Revit 2021 updates and hotfixs are cumulative and include all changes from previously released Revit 2021 updates.
📁Issues Resolved:
Align:Improved the stability when aligning grid lines.
Alignments:Fixed the issue that Revit will hang when importing bridge model including the alignment from InfraWorks to Revit.
Content Browser:Improved stability with family load when using Load Autodesk Family.
Duct/Pipe Display:Fixed an issue that caused a gap between a pipe and fitting when using single line display with "Use Annot. Scale for Single Line Fittings" enabled in Mechanical Settings.
Energy Model:Fixed an issue that caused an energy analytical model to contain analytical surfaces with missing geometry.
Help:Fixed the issue that help link is broken when customers press F1 on the Revit plug-in.
Parameters:Fixed an issue that was caused longer than expected delays when switching views.
@etconp
👍25❤6🥰1
👉What do we mean by workability of concrete?
🌟Workability of concrete is defined as the ease and homogeneity with which a freshly mixed concrete or mortar can be mixed, placed, compacted and finished. Strictly, it is the amount of useful internal work necessary to produce 100% compaction.
⏺Another similar term used to describe a freshly prepared concrete is ‘consistency’ which is the ease with which it will flow. It is the wetness of the concrete and the measure of fluidity or mobility. Wet concretes are more workable than dry concrete, but concretes of the same consistency may vary in workability. A concrete which has high consistency and which is more mobile, need not be of right workability for a
particular job. Type of work, thickness of section, reinforcements and mode of compaction are the aspects to be considered while specifying the workability for any particular job.
Workable concrete shows very less internal friction between particles and overcomes the frictional resistance with just the amount of compacting efforts provided. Workability of the concrete depends on a number of interrelating factors. Water content, aggregate properties, use of admixtures, fineness of cement are the factors affecting workability.
1. Water content: The increase in watercontent increases the fluidity of the
concrete thus providing greater lubrication.
2. Size of aggregates: The surface area of bigger aggregates is less and hence less amount of water is required for lubricating the surface to reduce the friction. Thus the concrete having large sized aggregate is more workable (of course, within certain limits). And other properties of aggregate will affect the workability of concrete.
3. Mix proportions: Aggregate/cement ratio
is the measure of how lean or rich the concrete is. If aggregate/ cement ratio is
higher, the concrete becomes leaner. In lean concrete less paste is available for the lubrication of the aggregate, while in rich
concrete with low a/c ratio, more paste is available which makes the mix more
cohesive and hence provides better workability.
4. Use of admixtures: Use of admixtures in concrete is the major factor that affects the workability. The use of plasticizers and super-plasticizers amply increase the workability of the concrete. Air entraining
agents produce air bubbles which act as rollers between particles and provide better mobility thus improving the workability.
5. Time and temperature: Fresh concrete gets stiffened as the time flows. This is because some of the water used to mix the concrete gets evaporated and some gets absorbed
by the aggregates. Thus the workability of concrete reduces with time. This loss of workability with time is known as slump
loss. The effect of temperature on workability of concrete is noteworthy. As the temperature increases, the workability of the mix reduces.
Measurements of Workability/ workability Tests:
-Slump Test
-Compacting Factor Test
-Vee-Bee Test
-Flow Test
-Kelly Ball Test
https://m.facebook.com/etconp/
🌟Workability of concrete is defined as the ease and homogeneity with which a freshly mixed concrete or mortar can be mixed, placed, compacted and finished. Strictly, it is the amount of useful internal work necessary to produce 100% compaction.
⏺Another similar term used to describe a freshly prepared concrete is ‘consistency’ which is the ease with which it will flow. It is the wetness of the concrete and the measure of fluidity or mobility. Wet concretes are more workable than dry concrete, but concretes of the same consistency may vary in workability. A concrete which has high consistency and which is more mobile, need not be of right workability for a
particular job. Type of work, thickness of section, reinforcements and mode of compaction are the aspects to be considered while specifying the workability for any particular job.
Workable concrete shows very less internal friction between particles and overcomes the frictional resistance with just the amount of compacting efforts provided. Workability of the concrete depends on a number of interrelating factors. Water content, aggregate properties, use of admixtures, fineness of cement are the factors affecting workability.
1. Water content: The increase in watercontent increases the fluidity of the
concrete thus providing greater lubrication.
2. Size of aggregates: The surface area of bigger aggregates is less and hence less amount of water is required for lubricating the surface to reduce the friction. Thus the concrete having large sized aggregate is more workable (of course, within certain limits). And other properties of aggregate will affect the workability of concrete.
3. Mix proportions: Aggregate/cement ratio
is the measure of how lean or rich the concrete is. If aggregate/ cement ratio is
higher, the concrete becomes leaner. In lean concrete less paste is available for the lubrication of the aggregate, while in rich
concrete with low a/c ratio, more paste is available which makes the mix more
cohesive and hence provides better workability.
4. Use of admixtures: Use of admixtures in concrete is the major factor that affects the workability. The use of plasticizers and super-plasticizers amply increase the workability of the concrete. Air entraining
agents produce air bubbles which act as rollers between particles and provide better mobility thus improving the workability.
5. Time and temperature: Fresh concrete gets stiffened as the time flows. This is because some of the water used to mix the concrete gets evaporated and some gets absorbed
by the aggregates. Thus the workability of concrete reduces with time. This loss of workability with time is known as slump
loss. The effect of temperature on workability of concrete is noteworthy. As the temperature increases, the workability of the mix reduces.
Measurements of Workability/ workability Tests:
-Slump Test
-Compacting Factor Test
-Vee-Bee Test
-Flow Test
-Kelly Ball Test
https://m.facebook.com/etconp/
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👍10❤1🏆1
👉Analysis and Design of Curved Beam
🌟Reinforced concrete curved beams arse extensively used to support circular walls of RC water tanks, curved balconies, circular domes, modern highway intersection, the rounded corners of buildings….etc.
⏺In some of these cases, large depths are needed for curved beams in order to resist high loads or to fulfill some aesthetic purposes.
⏺The analytical analysis of such members is very complex due to the fact that those members are subjected to a combined action of bending, shear and torsion. Furthermore, non-homogeneous nature of the materials involved contributes to the complexity of the problem. Therefore, it becomes necessary to employ numerical analysis procedures, such as finite element method, to satisfy safe and the economy requirements. A curved beam, loaded transversely to its plane, is subjected to torsion in addition to bending and shear. Furthermore, in deep beam the plane section does not remain plane after bending because of high stresses and warping occurs.
🌟RC curved beams are:-
▶️Supported on columns spaced at regular intervals.
▶️Torsional moments are develop at certain sections of curved beams. Maximum torsion developed at the position of zero bending moment. Maximum negative and positive moments developed supports and mid spans respectively.
🌟Design Considerations of Curved beams
▶️Torsional shear stresses create diagonal tension resulting in diagonal crack. Thus we need to provide both closed stirrups and longitudinal steel to avoid brittle fracture.
The torsional resistance of any section may be computed on the basis of an equivalent hollow section. hef , Aef ,
hef ≤ A/U & Aef = b’* h’
▶️The centerlines of the longitudinal reinforcement are taken as the centerline of the
equivalent hollow section.
▶️The limiting value of ultimate torque : to prevent diagonal compression failure,
TRD = 0.8*fcd*Aef*hef
▶️Torsional effect may be neglected when the Tsd (design torque) is less than Tc
(the torque resistance of section)
Tc = 1.2*fctd*Aef*hef
⏺However minimum web reinforcement provided min=0.6 / fyk or Spacing of
stirrups shall not exceed Uef / 8 for torsion.
⏺If the section capacity against diagonal compression, TRD< Tsd, the section is
too small. Section should be increased.
⏺Longitudinal bars for torsion shall be distributed uniformly around the perimeter of the closed stirrups at a spacing not exceeding 350mm.
Facebook:- https://www.facebook.com/etconp/
Telegram:- https://t.me/ETCONpWORK
YouTube:- https://youtube.com/@Etconp432
💫Comment @ETCONpBot
♡ ㅤ ❍ㅤ ⎙ㅤ ⌲
ˡᶦᵏᵉ ᶜᵒᵐᵐᵉⁿᵗ ˢᵃᵛᵉ ˢʰᵃʳᵉ
╔═════
🌐 join 👇
@ETCONp
@COTMp
╚══ ☆☆☆☆☆══════
🌟Reinforced concrete curved beams arse extensively used to support circular walls of RC water tanks, curved balconies, circular domes, modern highway intersection, the rounded corners of buildings….etc.
⏺In some of these cases, large depths are needed for curved beams in order to resist high loads or to fulfill some aesthetic purposes.
⏺The analytical analysis of such members is very complex due to the fact that those members are subjected to a combined action of bending, shear and torsion. Furthermore, non-homogeneous nature of the materials involved contributes to the complexity of the problem. Therefore, it becomes necessary to employ numerical analysis procedures, such as finite element method, to satisfy safe and the economy requirements. A curved beam, loaded transversely to its plane, is subjected to torsion in addition to bending and shear. Furthermore, in deep beam the plane section does not remain plane after bending because of high stresses and warping occurs.
🌟RC curved beams are:-
▶️Supported on columns spaced at regular intervals.
▶️Torsional moments are develop at certain sections of curved beams. Maximum torsion developed at the position of zero bending moment. Maximum negative and positive moments developed supports and mid spans respectively.
🌟Design Considerations of Curved beams
▶️Torsional shear stresses create diagonal tension resulting in diagonal crack. Thus we need to provide both closed stirrups and longitudinal steel to avoid brittle fracture.
The torsional resistance of any section may be computed on the basis of an equivalent hollow section. hef , Aef ,
hef ≤ A/U & Aef = b’* h’
▶️The centerlines of the longitudinal reinforcement are taken as the centerline of the
equivalent hollow section.
▶️The limiting value of ultimate torque : to prevent diagonal compression failure,
TRD = 0.8*fcd*Aef*hef
▶️Torsional effect may be neglected when the Tsd (design torque) is less than Tc
(the torque resistance of section)
Tc = 1.2*fctd*Aef*hef
⏺However minimum web reinforcement provided min=0.6 / fyk or Spacing of
stirrups shall not exceed Uef / 8 for torsion.
⏺If the section capacity against diagonal compression, TRD< Tsd, the section is
too small. Section should be increased.
⏺Longitudinal bars for torsion shall be distributed uniformly around the perimeter of the closed stirrups at a spacing not exceeding 350mm.
Facebook:- https://www.facebook.com/etconp/
Telegram:- https://t.me/ETCONpWORK
YouTube:- https://youtube.com/@Etconp432
💫Comment @ETCONpBot
♡ ㅤ ❍ㅤ ⎙ㅤ ⌲
ˡᶦᵏᵉ ᶜᵒᵐᵐᵉⁿᵗ ˢᵃᵛᵉ ˢʰᵃʳᵉ
╔═════
🌐 join 👇
@ETCONp
@COTMp
╚══ ☆☆☆☆☆══════
👍7👏2
ሐምሌ.pdf
14.2 MB
👉የሐምሌ ወር 2015 ዜና መንገድ ሁለተኛ እትም የእግረኛ መንገድ ግንባታ ሥራዎችን ዳስሳለች፣
🌟እንዲያነቡ ተጋብዘዋል
Via Addis Ababa City Roads Authority (AACRA)
@etconp
🌟እንዲያነቡ ተጋብዘዋል
Via Addis Ababa City Roads Authority (AACRA)
@etconp
🙏6👍1
👉በከተማችን ቸል የተባለ ነገር ግን በአሰቃቂ ሁኔታ የበርካቶችን እየቀጠፈ የሚገኘው …
ምንም አይነት የደህንነት መጠበቂያ (balustrade) ሳይኖር የሚካሄድ ግንባታ አንዱ ነው ፡፡
የምትመለከቱት በመንገዳችን ላይ በተንቀሳቃሽ ስልክ ያስቀረነውና 22 አውራሪስ ሆቴል ፊት ለፊት እየተካሄደ ያለ ግንባታ ነው፡፡
በትላንትናው እለት በዚሁ በመዲናችን አዲስ አበባ ከደንበል ወደ መስቀል ፍላወር በሚወስደው መንገድ ላይ ከተመሳሳይ ምንም አይነት የደህንነት መጠበቂያ ካልነበረው ግንባታ ላይ የተናደ የተለያየ የግንባታ ቁሳቁስ የአንድ እናት ህይወት መቅጠፉ ይታወሳል፡፡
የከተማ አስተዳደሩና የሚመለከተው አካል ጉዳዩን ትኩረት ያድርግበት መልእክታችን ነው፡፡
Via Sheger Times
@etconp
ምንም አይነት የደህንነት መጠበቂያ (balustrade) ሳይኖር የሚካሄድ ግንባታ አንዱ ነው ፡፡
የምትመለከቱት በመንገዳችን ላይ በተንቀሳቃሽ ስልክ ያስቀረነውና 22 አውራሪስ ሆቴል ፊት ለፊት እየተካሄደ ያለ ግንባታ ነው፡፡
በትላንትናው እለት በዚሁ በመዲናችን አዲስ አበባ ከደንበል ወደ መስቀል ፍላወር በሚወስደው መንገድ ላይ ከተመሳሳይ ምንም አይነት የደህንነት መጠበቂያ ካልነበረው ግንባታ ላይ የተናደ የተለያየ የግንባታ ቁሳቁስ የአንድ እናት ህይወት መቅጠፉ ይታወሳል፡፡
የከተማ አስተዳደሩና የሚመለከተው አካል ጉዳዩን ትኩረት ያድርግበት መልእክታችን ነው፡፡
Via Sheger Times
@etconp
👍9💯1
👉ለተመራቂዎች ....
ይህን የአልበርት አንስታይን የ ዩኒቨርሲቲ rejection letter ባየሁ ቁጥር አንድ ነገር ያስታውሰኛል::
10ኛ ክፍል እያለሁ አማርኛ የቤት ስራ ይሰጠናል:: የቤት ስራውም ሰለ ስርአተ ነጥብ ነበር:: የተለያዩ አረፍተነገሮች ተሰተዋል እና እነዚህን አረፍተነገሮች ላይ ትክክለኛ ስርአተ ነጥብ በትክክለኛ ቦታው ማስገባት ነበር:: እናም በሚቀጥለው ቀን ጥያቄዎቹን ከመምህራችን ጋር አብረን በጋራ እንሰራለን:: ልክ 3ተኝው ጥያቄ ላይ ስንደርስ መህራችን አንዱን ተማሪ ስሙን ጠሩና ምን አይነት ስርአተ ነጥብ እንደሚገባ ጠየቁት:: ተማሪውም “የጥያቄ ምልክት” ብሎ መለሰ:: መልሱ ትክክል ነበር:: መህሩም ለምን የጥያቄ ምልክት እንዳስገባ ሲጠይቁት: ልጁም “ጥያቄውን ደጋግሜ ሳነበው አልገባ ሲለኝ ጥያቄ ምልክት ቁጭ አደረኩበት” ብሎ ሁላችንንም በሳቅ ገደለን:: ልክ ሳቃችንን ስንጨርስ መምህሩም “ጥያቄውን ስታነበው ቢገባህ ኖሮ ምን አይነት የስርአተ ነጥብ ነበር የምታደርግበት?” ብለው ጠየቁት:: ተማሪውም “እሱማ ግልፅ ነው አራት ነጥብ ነዋ” ብሎ እንደገና አሳቀን::
*******
ይህን የአልበርት አንስታይን rejection letter የሚያስገርመኝ ዩኒቨርስቲ እንዳይገባ ብቁ ሆኖ አለመገኘቱና deny መደረጉ ሳይሆን በሁለተኛው paragraph ላይ ስለአልበርት አንስታይን theory ኮሚቴው የሰጠው አስተያዬት ነው:: “ስለ ብርሃን ተፈጥሮ: ስለ ጊዜና ቦት መስተጋብር (nature of light, fundamental connection between time and space) የደረስክበት ድምዳሜ ወጣ ያለ ነው:: ከፊዚክስ ይልቅ ወደ ስነጥበብ (art) የሚያደላ ሆኖ አገኝተነዋል::” ይላል:: ለነገሩ በጊዜው ክነበረው
የሳይንስ ግኝት አንፃር የሱን theory መረዳት በጣም ከባድ ነበር:: ነገር ግን እነርሱ አልተረዱትም ማለት ትክክል አይደለም ወይም ደግሞ artistic ነው ብሎ ማጣጣል ይከብዳል:: ይህን ደብዳቤ የፃፉት የኮሚቴ አባላት አሁን በህይወት ቢኖሩና አስተያዬታቸውን ቢያዩት እንዴት እንደሚሸማቀቁ ለመገመት አይከብደም:: ልክ እንድ 10ኛ የክፍል ጏደኛችን ካልገባቸው ጥያቄ ምልክት አድርግውበት ቢያልፉ ብዙ ነገር ያተርፉ ነበር:: ሰው ባልገባው ነገር ላይ አስተያዬት ሲሰጥ ይህ ልጅ ትዝ ይለኛል:: ለምን ጥያቄ ምልክት አድርገው አያልፉትም እላለሁ::
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በ1875 እኤአ ኒኮላ ተስላ Graz University of Technology ተማሪ እያለ መምህራቸው ዳይናሞ አምጥቶ ክፍል ውስጥ ያስተምራል:: “ዳይናሞው እንደ ጄኔሬተር እና እንደ ሞተር ያገለግላል.....” እያለ እያስረዳ: በመሃል ተስላ ብድግ ብሎ “ሃይል ያባክናል (it wastes energy)” ብሎ ሃሳቡን ገለፀ:: መምህሩ ግራ ተጋብቶ እንዲያብራራ ይጠይቀዋል:: ተስላም “በጣም ብዙ ስብቀት (friction) አለው:: commutatorን ብናስወግደው ማሽኑ ሃይል አያባክንም እንዲሁም more efficient ይሆናል::” አለ::
መምህሩም “እንዴት ካለ commutator የሚሽከረከር electromagnetic field እንፈጥራለን?” ብሎ ጠየቀው:: በጊዜው በጣም ከባድና የማይሞከር ነገር ነበር የሚመስለው:: ኒኮላ ተስላም “አላቅም!” ብሎ መለሰ:: መምህሩም “እንደዚህ አይነቱን ነገር አሳካለሁ ብለህ ተስፋ አታድርግ” ብሎ ክፍል ውስጥ ተሳለቀበት:: ነገር ግን ከብዙ ምርምርና ድካም በሗላ ተስላ ተስፋ አታድርግ ተብሎ የተነገረውን ነገር ማሳካት ብቻ ሳይሆን ሌሎች ድንቅ የቴክኖሎጂና ሳይንስ ውጤቶችን አበረከተ:: የኒኮላ ተስላ ግኝቶች አሁን አለማችን ላለችበት ደረጃ እንድትደርስ ጉልህ አስተዋፅኦ አድርገዋል::
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To put into a nutshell, ሰዎች የሆነ ነገር ማሳካት አትችልም ብለው ሲነግሩህ የአንተን አለመቻል ሳይሆን የራሳቸውን አቅመ-ቢስነት: የራሳቸውን አለመቻል እየነገሩህ ነው:: ምክንያቱም አንተን የሚለኩህ በራሳቸው አለመቻልና አቅመ-ቢስነት ነው:: ራስህን የምታውቀው አንተና አንተ ብቻ ነክ:: አላማህን ለማሳካት በርትተህ ስራ::
Via ናርዶስ ብርሃኑ
@etconp
ይህን የአልበርት አንስታይን የ ዩኒቨርሲቲ rejection letter ባየሁ ቁጥር አንድ ነገር ያስታውሰኛል::
10ኛ ክፍል እያለሁ አማርኛ የቤት ስራ ይሰጠናል:: የቤት ስራውም ሰለ ስርአተ ነጥብ ነበር:: የተለያዩ አረፍተነገሮች ተሰተዋል እና እነዚህን አረፍተነገሮች ላይ ትክክለኛ ስርአተ ነጥብ በትክክለኛ ቦታው ማስገባት ነበር:: እናም በሚቀጥለው ቀን ጥያቄዎቹን ከመምህራችን ጋር አብረን በጋራ እንሰራለን:: ልክ 3ተኝው ጥያቄ ላይ ስንደርስ መህራችን አንዱን ተማሪ ስሙን ጠሩና ምን አይነት ስርአተ ነጥብ እንደሚገባ ጠየቁት:: ተማሪውም “የጥያቄ ምልክት” ብሎ መለሰ:: መልሱ ትክክል ነበር:: መህሩም ለምን የጥያቄ ምልክት እንዳስገባ ሲጠይቁት: ልጁም “ጥያቄውን ደጋግሜ ሳነበው አልገባ ሲለኝ ጥያቄ ምልክት ቁጭ አደረኩበት” ብሎ ሁላችንንም በሳቅ ገደለን:: ልክ ሳቃችንን ስንጨርስ መምህሩም “ጥያቄውን ስታነበው ቢገባህ ኖሮ ምን አይነት የስርአተ ነጥብ ነበር የምታደርግበት?” ብለው ጠየቁት:: ተማሪውም “እሱማ ግልፅ ነው አራት ነጥብ ነዋ” ብሎ እንደገና አሳቀን::
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ይህን የአልበርት አንስታይን rejection letter የሚያስገርመኝ ዩኒቨርስቲ እንዳይገባ ብቁ ሆኖ አለመገኘቱና deny መደረጉ ሳይሆን በሁለተኛው paragraph ላይ ስለአልበርት አንስታይን theory ኮሚቴው የሰጠው አስተያዬት ነው:: “ስለ ብርሃን ተፈጥሮ: ስለ ጊዜና ቦት መስተጋብር (nature of light, fundamental connection between time and space) የደረስክበት ድምዳሜ ወጣ ያለ ነው:: ከፊዚክስ ይልቅ ወደ ስነጥበብ (art) የሚያደላ ሆኖ አገኝተነዋል::” ይላል:: ለነገሩ በጊዜው ክነበረው
የሳይንስ ግኝት አንፃር የሱን theory መረዳት በጣም ከባድ ነበር:: ነገር ግን እነርሱ አልተረዱትም ማለት ትክክል አይደለም ወይም ደግሞ artistic ነው ብሎ ማጣጣል ይከብዳል:: ይህን ደብዳቤ የፃፉት የኮሚቴ አባላት አሁን በህይወት ቢኖሩና አስተያዬታቸውን ቢያዩት እንዴት እንደሚሸማቀቁ ለመገመት አይከብደም:: ልክ እንድ 10ኛ የክፍል ጏደኛችን ካልገባቸው ጥያቄ ምልክት አድርግውበት ቢያልፉ ብዙ ነገር ያተርፉ ነበር:: ሰው ባልገባው ነገር ላይ አስተያዬት ሲሰጥ ይህ ልጅ ትዝ ይለኛል:: ለምን ጥያቄ ምልክት አድርገው አያልፉትም እላለሁ::
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በ1875 እኤአ ኒኮላ ተስላ Graz University of Technology ተማሪ እያለ መምህራቸው ዳይናሞ አምጥቶ ክፍል ውስጥ ያስተምራል:: “ዳይናሞው እንደ ጄኔሬተር እና እንደ ሞተር ያገለግላል.....” እያለ እያስረዳ: በመሃል ተስላ ብድግ ብሎ “ሃይል ያባክናል (it wastes energy)” ብሎ ሃሳቡን ገለፀ:: መምህሩ ግራ ተጋብቶ እንዲያብራራ ይጠይቀዋል:: ተስላም “በጣም ብዙ ስብቀት (friction) አለው:: commutatorን ብናስወግደው ማሽኑ ሃይል አያባክንም እንዲሁም more efficient ይሆናል::” አለ::
መምህሩም “እንዴት ካለ commutator የሚሽከረከር electromagnetic field እንፈጥራለን?” ብሎ ጠየቀው:: በጊዜው በጣም ከባድና የማይሞከር ነገር ነበር የሚመስለው:: ኒኮላ ተስላም “አላቅም!” ብሎ መለሰ:: መምህሩም “እንደዚህ አይነቱን ነገር አሳካለሁ ብለህ ተስፋ አታድርግ” ብሎ ክፍል ውስጥ ተሳለቀበት:: ነገር ግን ከብዙ ምርምርና ድካም በሗላ ተስላ ተስፋ አታድርግ ተብሎ የተነገረውን ነገር ማሳካት ብቻ ሳይሆን ሌሎች ድንቅ የቴክኖሎጂና ሳይንስ ውጤቶችን አበረከተ:: የኒኮላ ተስላ ግኝቶች አሁን አለማችን ላለችበት ደረጃ እንድትደርስ ጉልህ አስተዋፅኦ አድርገዋል::
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To put into a nutshell, ሰዎች የሆነ ነገር ማሳካት አትችልም ብለው ሲነግሩህ የአንተን አለመቻል ሳይሆን የራሳቸውን አቅመ-ቢስነት: የራሳቸውን አለመቻል እየነገሩህ ነው:: ምክንያቱም አንተን የሚለኩህ በራሳቸው አለመቻልና አቅመ-ቢስነት ነው:: ራስህን የምታውቀው አንተና አንተ ብቻ ነክ:: አላማህን ለማሳካት በርትተህ ስራ::
Via ናርዶስ ብርሃኑ
@etconp
👍29🥰3🕊2🙏1
💥ፎርምወርክ/Formwork/ በምን ያህል ቀን ማፍረስ ይቻላል?
⚡️ለቌሚ ፎርምወርክ 16ሰዓት
⚡️ለወለል እና ደረጃ /ሶሌታ/ ፎርምወረክ 21 ቀን
⚡️ተጨማሪ ለቢም/beam/ እና ወለል/slab/ ድጋፍ የሚገባ 14ቀን
✨ የፎርም ወርክ ክፍያን በተመለከተ ባትኮዳ/Batcoda/ ከዚህ በታች የተዘረዘሩትን ነጥቦች ይጠቅሳል።
1. ከ 0.25ካ.ሜ በታች የሆነ ክፍት/opening/ ፎርሞርክ ክፍያ ላይ ሊቀነስ አይገባም።
2. በተለየ ሁኔታ ካልተጠቀሰ በስተቀር በካ.ሜ ሊለካ ይገባል።
3. የወለል ጠርዝ፣ የደረጃ መወጣጫ እና የጎን ፎርምወረክ ጥልቀቱን በመጥቀስ በሜትር ሊለኩ ይገባል።
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ˡᶦᵏᵉ ᶜᵒᵐᵐᵉⁿᵗ ˢᵃᵛᵉ ˢʰᵃʳᵉ
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⚡️ለቌሚ ፎርምወርክ 16ሰዓት
⚡️ለወለል እና ደረጃ /ሶሌታ/ ፎርምወረክ 21 ቀን
⚡️ተጨማሪ ለቢም/beam/ እና ወለል/slab/ ድጋፍ የሚገባ 14ቀን
✨ የፎርም ወርክ ክፍያን በተመለከተ ባትኮዳ/Batcoda/ ከዚህ በታች የተዘረዘሩትን ነጥቦች ይጠቅሳል።
1. ከ 0.25ካ.ሜ በታች የሆነ ክፍት/opening/ ፎርሞርክ ክፍያ ላይ ሊቀነስ አይገባም።
2. በተለየ ሁኔታ ካልተጠቀሰ በስተቀር በካ.ሜ ሊለካ ይገባል።
3. የወለል ጠርዝ፣ የደረጃ መወጣጫ እና የጎን ፎርምወረክ ጥልቀቱን በመጥቀስ በሜትር ሊለኩ ይገባል።
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👍12❤2💯2
👉የአርማታ ብረት በሜትር ምን ያህል ይመዝናል?
⏩ለኮንስትራክሽን ግብዐት የምንጠቀማቸው የአርማታ ብረት በቅርፃቸው በሁለት ይከፈላሉ
⏺1. ልሙጥ ብረት(Mild Steel or plain rebar)
⏺2. ባለ ክርክር/አርማታ ብረት(Deformed steel rebar)
➡በጥንካሬ ደረጃ ደግሞ በስፋት Grade 60 እና Grade 40
በመባል ይለያሉ ይህም ውጥረታዊ ሀይል/tensile strength/ በመቌቌም አቅማቸው ነው።
🚧Grade 40=275.79MPa yield strength ሲኖረው
🚧Grade 60=413.68MPa yield strength ይኖረዋል።
🌟ከዚህ ፅሁፍ በ ምስል አያይዘንላቹዋል
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⏩ለኮንስትራክሽን ግብዐት የምንጠቀማቸው የአርማታ ብረት በቅርፃቸው በሁለት ይከፈላሉ
⏺1. ልሙጥ ብረት(Mild Steel or plain rebar)
⏺2. ባለ ክርክር/አርማታ ብረት(Deformed steel rebar)
➡በጥንካሬ ደረጃ ደግሞ በስፋት Grade 60 እና Grade 40
በመባል ይለያሉ ይህም ውጥረታዊ ሀይል/tensile strength/ በመቌቌም አቅማቸው ነው።
🚧Grade 40=275.79MPa yield strength ሲኖረው
🚧Grade 60=413.68MPa yield strength ይኖረዋል።
🌟ከዚህ ፅሁፍ በ ምስል አያይዘንላቹዋል
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👍11👏5❤1
👉በ አዲስ አበባ ዲዛይንና ግንባታ ስራዎች ቢሮ ተገንብተው የተጠናቀቁ የመስሪያ ቦታዎች ለስራ ዕድል ፈጠራ ፕሮግራሙ ያላቸውን ፋይዳ አስመልክቶ አዲስ ልሳን ጋዜጣ በእሁድ ሐምሌ 30 ዕትሙ"የስራ ዕድል መፍጠሪያ አቅሞች"በሚል ርዕስ ስር ያስነበበውን ፅሁፍ ተጋበዙ።
ነሐሴ 02/2015
@etconp
ነሐሴ 02/2015
@etconp
👍6
ትንሽ ስለ የኢትዮጵያ ንግድ ባንክ ህንፃ
በ303 ሚሊየን ዶላር የተገነባው የዋና መስሪያ ቤት ህንፃ ነው።
ህንጻ ከመሬት በላይ 209 ነጥብ 15 ሜትር ከፍታ ያለው ሲሆን፤ ባለ 53 ወለል ነው
አዲሱ የኢትዮጵያ ንግድ ባንክ ዋና መስሪያ ቤት ህንጻ ከመሬት በላይ 209 ነጥብ 15 ሜትር ከፍታ ያለው ሲሆን፤ ምድር ውስጥ ያለውን ጨምሮ 53 ወለል ያለው ነው።
በውስጡም የቢሮ አገልግሎት ከሚሰጡ ክፍሎች በተጨማሪ የመሰብሰቢያ አዳራሾችን፣ ሙዚየም እና ሲኒማ ቤትን ያካተተ ሲሆን፥ እስከ 1 ሺህ 500 መኪናዎችን መያዝ የሚችል ማቆሚያም አለው።
5 አመት ከ11 ወር የወሰደው ግንባታው 303 ሚሊየን 500 ሺህ የአሜሪካ ዶላር ወጪ ተደርጎበታል።
@etconp
በ303 ሚሊየን ዶላር የተገነባው የዋና መስሪያ ቤት ህንፃ ነው።
ህንጻ ከመሬት በላይ 209 ነጥብ 15 ሜትር ከፍታ ያለው ሲሆን፤ ባለ 53 ወለል ነው
አዲሱ የኢትዮጵያ ንግድ ባንክ ዋና መስሪያ ቤት ህንጻ ከመሬት በላይ 209 ነጥብ 15 ሜትር ከፍታ ያለው ሲሆን፤ ምድር ውስጥ ያለውን ጨምሮ 53 ወለል ያለው ነው።
በውስጡም የቢሮ አገልግሎት ከሚሰጡ ክፍሎች በተጨማሪ የመሰብሰቢያ አዳራሾችን፣ ሙዚየም እና ሲኒማ ቤትን ያካተተ ሲሆን፥ እስከ 1 ሺህ 500 መኪናዎችን መያዝ የሚችል ማቆሚያም አለው።
5 አመት ከ11 ወር የወሰደው ግንባታው 303 ሚሊየን 500 ሺህ የአሜሪካ ዶላር ወጪ ተደርጎበታል።
@etconp
👍14❤1
👉የቅየሳ መሳሪያ /Surveying Equipment/
⏩ቅየሳ/surveying/ በተፈጥሮ ሳይንስ የሚመደብ የስራ ሙያ ሲሆን ሁለት የተለያዪ መገኛዎችን ርቀት/distance/፣ ከፍታ ልኬት/Elevation/ እና በሁለቱ መካከል የሚገኘውን ማዕዘን /Angle/ ለማውጣት የምንጠቀምበት ዘዴ ነው።
➡ሁለት አይነት የቅየሳ መሳሪያ ይገኛሉ
⏺1. ቴዶላይት/Thedolite/
⏺2. ቶታል ስቴሽን/Total Station/
➡ቶታል ስቴሽን ጂፒስ፣ጨረር እና የከፍታ መለኪያ ሴንሰር በመጠቀም ትክክለኛ የከፍታ ልዪነት/Elevation difference እና ርቀትን ለመለካት ይጠቅመናል።
➡ቴዶላይት ደግሞ በሁለት ነጥቦች መካከል ያለውን የከፍታ
ልዪነት ለመለካት ሲያገለግል በመካከላቸው ያለውን ርቀት ግን
መለካት አይችልም።
🚩ለሁሉም እንዲዳረስ ፖስቶቹን SHARE አድርጉልን።
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⏩ቅየሳ/surveying/ በተፈጥሮ ሳይንስ የሚመደብ የስራ ሙያ ሲሆን ሁለት የተለያዪ መገኛዎችን ርቀት/distance/፣ ከፍታ ልኬት/Elevation/ እና በሁለቱ መካከል የሚገኘውን ማዕዘን /Angle/ ለማውጣት የምንጠቀምበት ዘዴ ነው።
➡ሁለት አይነት የቅየሳ መሳሪያ ይገኛሉ
⏺1. ቴዶላይት/Thedolite/
⏺2. ቶታል ስቴሽን/Total Station/
➡ቶታል ስቴሽን ጂፒስ፣ጨረር እና የከፍታ መለኪያ ሴንሰር በመጠቀም ትክክለኛ የከፍታ ልዪነት/Elevation difference እና ርቀትን ለመለካት ይጠቅመናል።
➡ቴዶላይት ደግሞ በሁለት ነጥቦች መካከል ያለውን የከፍታ
ልዪነት ለመለካት ሲያገለግል በመካከላቸው ያለውን ርቀት ግን
መለካት አይችልም።
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👉10 የ ዓለማችን ረዣዥም ህንፃዎች
▶1) Burj Khalifa =Dubai
▶2) Shanghai tower =China
▶3) abraj Al-bait clock tower =Saudi Arabia
▶4) ping An finance centre =China
▶5) Lotte world tower =south Korea
▶6) one world trade center =United States
▶7) Guangzhou CTF finance centre = China
▶8) Taipei 101 = Taiwan
▶9) Shanghai world financial center = China
▶10) international commerce center =China
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▶1) Burj Khalifa =Dubai
▶2) Shanghai tower =China
▶3) abraj Al-bait clock tower =Saudi Arabia
▶4) ping An finance centre =China
▶5) Lotte world tower =south Korea
▶6) one world trade center =United States
▶7) Guangzhou CTF finance centre = China
▶8) Taipei 101 = Taiwan
▶9) Shanghai world financial center = China
▶10) international commerce center =China
⚡ለሁሉም እንዲዳረስ ፖስቶቹን SHARE አድርጉልን።
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Seismic loading is the basic concepts of earthquake engineering which means application of an earthquake-generated agitation to a structure. It happens at contact surfaces of a structure either with the ground, or with adjacent structures, or with gravity waves from tsunami.
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