HOW TO CHECK QUALITY OF CEMENT ON SITE--

(1)Colour Test--

✓colour must be uniform [Grey greenish shade]

(2)Float Test--

✓Take a cement and throw it into water and if -
°cement is sink in water then it has good quality
°cement floats it has bad quality

(3) Rubbing Test--

✓Take a pich of cement & rubbs in fingers if it is smooth it is good

(4)Date Of Packing--

✓As cement's age increases it's strength decreases

∆After 3 months of packing its strength decreases by 20 to 30%

∆After 6 months - Decreases by 30-40%

∆After 12 months - decreases by 40-50%

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Yangtze River Highway

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Top 10 Construction companies in the world

#10. Power Construction Corp. of China
👉Location: Beijing, China
👉Employees: 135,000
👉Revenue: $45.6 billion
👉Founded: 2011
👉Notable Project: Adama Wind Farm

Adama Wind Farm

Top 10 construction companies in the world
......continued.....
#9.Skanska AB
👉Location: Stockholm, Sweden
👉Employees: 43,000
👉Revenue: $18.15 billion
👉Founded: 1887
👉Notable Project: MetLife Stadium

MetLife Stadium

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......continued.....
#8. China State Construction Engineering Corp. Ltd.
👉Location: Beijing, China
👉Employees: 270,000
👉Revenue: $28.49 billion
👉Founded: 1957
Notable Projects: Shanghai World Financial Center
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Shanghai World Financial Center

Top 10 construction companies in the world
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#7. Bouygues
✍️Location: Paris, France
✍️Employees: 115,000
✍️Revenue: €32.9 billion
✍️Founded: 1952
✍️Notable Project: Musée d’Orsa
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Musée d’Orsay

Top 10 construction companies in the world
......continued.....
#6. Technip FMC
✍️Location: United Kingdom
✍️ Employees: 37,000
✍️ Revenue: $13 billion
✍️ Founded: 2017
✍️ Notable Projects: FPSO Dalia
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FPSO Dalia

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