Wind Power (Step By Step Procedure):- A Case Study

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      WIND DATA (STEP BY STEP PROCEDURE):- Image Source-Ritesh Raj Stone Column Image Source-Ritesh Raj Plum Concrete (Where required) PCC (M-15 Grade) Bottom Flange Erection (With level as per drawing) Reinforcement (12 mm to 32 mm as per drawing) RCC (M-45 Grade and M-60 Grade) In the M-60 Grade-GGBS also used (JSW Brand) Image Source-Ritesh Raj Used Curing Compound (Concure AB Clear) Top Flange Erection Bitumen Paint applied on all pedestal area Backfilling with layer wise compaction Grouting in top flange (With M-90 Grade BB-90, Brand-Fosroc) Total Flange Nos.=02  Total Bolts=80*2=160 Nos. Image Source-Ritesh Raj Used Admixture- (1.) ACC HP 6517 (2.) ACC HVF 7905(Corrosion) Image Source-Ritesh Raj 10 mm and 20 mm aggregate sources:- Anjar, Nakatrana Water Source-Khavda Sand Source-Mudhan, Kunariya, Ratariya GSB Sourvce-Raytariya, Anjar Required TDS of Water=Below 2000 Required PH of water=6.5 to 8.5 GGBS=Ground Granulated Blast Furnace Slag IDT=Inverter Duty Tran...
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Final Setting Time of Cement

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 Final Setting Time of Cement

Vicat Apparatus (Image Source:civilengineeringnotes.com)

It is the time when cement loose their plasticity is called final setting time (or needle make to fail on impression on sample).

Important Points:-

(i) 5 mm dia. needle is used.

(ii) No movement should be done when mould placing for initial setting test to till final setting test.

Final Setting Time(Image Source:theconstructor.org)

Test Procedure:-

(i) Same mould is used, that was used in initial setting time test.

(ii) After 30 minutes frequency we will make free fall condition.

(iii) After sometimes mould will be hard and no any impression will make on it and its plasticity will be zero.

(iv) (Now, example) Mould placing time=8:25 A.M.

      Present time=11:30 A.M.

      Final Setting time=185 minutes


Note:-Always remember final setting time of cement will not more than 600 minutes (i.e. 10 hours) and initial setting time of cement will be minimum 30 minimum.


      

 

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Written By-
Ritesh Raj

Email Id-rajritesh.motiharirr@gmail.com

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