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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"Description of Formwork"

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A temporary mould which is made from plywood, timber and steel and proper fixed with the help of MS pipe and bamboo and make the area will be too rigid with the help of tie rod or ghughoo nuts is known as formwork. In the formwork concrete is poured or formed.

Formwork with stagging (Photo:Ritesh Raj)


Formwork is prepared by carpenter at construction site with the help of wooden batten and supporting angles which is made by MS plate. A good quality of plywood is used for shuttering. In shuttering used plywood will be water proof, proper thickness, more durable, hard and reusable.

The formwork sides will be proper fixed and it will prevent from leakage of cement slurry. During concreting when we apply vibration through vibrator, it will able to resist it.

Formwork base is known as soffit. The soffit is apply at base of the beam, roof, base of lintels, chajjas .

Recent Post: Description of Aggregate

Formwork (Photo:Ritesh Raj)



Important points for Formwork:-

     (1.)  Before fixed the formwork the specified area should be neat and clean with the help of water pressure and before it all unwanted material like as sawdust, shavings, chipping particles and rubbish will removed from that area.

     (2.)  For the cost control purpose, we will require to use formwork for its maximum time.

     (3.)  Formwork will be more durable and hard and capable to wear dead load and live loads.

     (4.)  Before using the formwork always use shuttering oil.
Formwork (Photo:Ritesh Raj)

      Also Read:Description of Brick

     (5.)  Before concreting, vertical reference line should be check with the help of plum bob.

     (6.)  During concreting, hammering will apply on all sides of shutting area.

     (7.)  After concreting de shuttering will apply.

     (8.)  After de shutting (ex-Column), all area should will be proper covered with gunny bags/hessian cloth/jute bags/sacks.
Formwork (Photo:Ritesh Raj)


     (9.)  After that curing is apply for their specified time.

     (10.) More time will require for removal of formwork in winter is more than summer season.




Formwork removal time:-

When concrete will achieve their required time and it is proper set and after de shutting no any effect will apply on that structure, it is judged by their formwork removal time.


Sl. No.
Type of Formwork
Min. Period Before Striking Formwork
1
Vertical formwork to columns, walls and beams
16-24 Hours
2
Soffit formwork to slabs (Props to be re fixed immediately after removal of formwork)
3 Days
3
Soffit formwork to beams (Props to be re fixed immediately after removal of formwork)
7 Days
4
Props to slabs:                                                                         

(a.) Spanning up to 4.5 m
7 Days
(b.)Spanning over 4.5 m
14 Days
5
Props to beams and arches

(a.) Spanning up to 6 m
14 Days
(b.)Spanning over 6 m
21 Days
Souce:-IS:456 (Page No.-25, Clause No.-11.3.1)

Formwork  (Photo:Ritesh Raj)

Also Read:Description of Lime

Types of Formwork:-

     (1.)  Timber Formwork

     (2.)  Steel Formwork

     (3.)  Plywood Formwork

     (4.)  Plastic Formwork

Formwork  (Photo:Ritesh Raj)

Note:-

    (1.)  The timber or plywood which will use in formwork will well season and before using shuttering         oil will apply.

    (2.)  The used timber or plywood will light in weight.

    (3.)  The timber will have their smooth surface, neat and clean and no any loose debris was inserted on        it.

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Plastic Formwork:-

New technology introduce us plastic formwork. From the plastic formwork we got more benefits. Some benefits are following:-

(1.) Good Finishing

(2.) Light weight

(3.) Repetitive time use

(4.) More safer than plywood or steel formwork

(5.) Cost Control

(6.) Eco Friendly

Image Source:Pexels.com


(7.) Low maintenance

(8.) Prevent the environment

(9.) Recyclable

Image Source:Pexels.com

Also Read:Description of concrete

(10.) Corrosion Resistant

(11.) Easily Deformed

(12.) Water Resistant

Image Source:Pexels.com


Related IS Codes:-

 (1.) IS:456

 (2.) IS:14687

 (3.) IS:1200


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      Thanks for visiting this site.


Written By- 
Ritesh Raj
Email Id-rajritesh.motiharirr@gmail.com

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