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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Initial Setting Time of Cement

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Image Source:-civilread.com


It is the time when water is added to cement and the time at which needle of 1mm2 section fails to penetrate the depth block to a depth of 5 to 7 mm from the bottom of mould.

Important Terms:-

(i) Take 0.85P of water. (Where, P is normal consistency)

(ii) 1mm2 needle is used.

(iii) Penetration should be 5 to 7 mm from bottom.

(iv) Mixing, placing and testing should be done between 3 to 5 mm.

Recent Post:- Aggregate Impact Value Test

Test Procedure:-

Image Source:civilblog.org


(i) 400 gm of cement sample is taken.

(ii) 0.85 P=(0.85 P X 26/100) X 400

                = 88.4 CC (CC-Cubic Centimeter)

                                  (1 cc=1 ml)


Image Source:aust.edu


Also Read: Consistency Cement of Test

(iii) 88.4 ml water is mixed and filled in the mould.

(iv) 1mm2 diameter of plunger is fixed and at bottom of vicat apparatus, mould will placed and needle will just touch and freely filled. Now reading=0

(v) After interval of sometimes we will proceed for penetration. Till reading not comes in the range of 5 mm to 7 mm. Again penetration is applied and now reading is=7 mm.

Note:-

Image Source:-civilread.com

Also Read: Elongation Test of an Aggregate

After many times penetration and free fall when results will not comes under 5 mm to 7 mm, we have repeted this procedure.

Mould placing timing=8:25 A.M.

Testing Completed timing=9:00 A.M.

So, initial setting time=35 minutes


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Written By-
Ritesh Raj

Email Id-rajritesh.motiharirr@gmail.com

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