👉ስለ ኦፒሲ እና ፒፒሲ የ ሲሚንቶ ኣይነቶች ትንሽ እንንገራቹ
.
⏩OPC— Ordinary Portland cement
⏩PPC —Portland pozzollana cement

➡በሀገራችን ኢትዮጲያ በስፋት ህንፃ እና መሰረተ ልማት ግንባታ
ላይ በስፋት እየተጠቀምንባቸው የምንገኝባቸው የሲሚንቶ አይነቶች ናቸው።
የሁለቱንም የሲሚንቶ አይነቶች ጥቅም አንድነት እና ልዩነት ከዚህ በታች አጠር አድርገን እናቀርባለን።
▶ኦፒሲ/OPC/ በምጣነ ስርገት( Permeability) ከ ፒፒሲ/ PPC/ ጋር ሲነፃፀር ከፍ ያለ ነው።
ውሃ ዘልነት /Heat of Hydration/ የኦፐሲ ከፍተኛ በመሆኑ ከፒፒሲ በተሻለ መልኩ ቶሎ የሚፈለገውን ጥረንካሬ ቀድሞ ያገኛል። በተቃራኒው ደግሞ ፒፒሲ heat of hydration ቀርፋፋ በመሆኑ ለመርጋት/curing period/ ተጨማሪ ቀናት ይወስዳል
ማለት ነው።
👉በጥንካሬ ደረጃ /Grade of Strength / ኦፒሲ 42.5R grade cement ሲሆን ፒፒሲ ደግሞ 32.5R Grade Cement ነው።
➡Note: Number represent compressive strength of
cement in MPa.

@engineer03
@engineer03

MOST USED SOFTWARE IN CONSTRUCTION ENGINEERING
.
1. Ms Excel
Lets you store any complex data and simplIfy complicated calculations
2. ETABS
Lets you do analysis & design of different structural members
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The difference with ETABS is that it is more broad in scope.
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http://t.me/engineer03

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✅A typical building project will include the following
.
💠A.Substructure
1.Excavation & Earth work
2.Concrete Work
3.Masonry Work
.
💠B.Super structure
1.Concrete work
2.Roofing
3.Masonry works
4.Metal Work
5.Finishing work
6.Glazing
7.Electrical Installation
8.Carpentry & Joinery
9.Sanitary Installation
10.Fence Work
.
🔴General factors to be considered for determining depth of foundation are:
1,Load applied from structure to the foundation.
2,Bearing capacity of soil.
3,Depth of water level below the ground surface.
4,Types of soil and depth of layers in case of layered soil.
5,Depth of adjacent foundation.