Basic Knowledge of Structural drawing | TYPES OF STRUCTURAL DRAWING EVERY CIVIL ENGINEER MUST KNOW

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TYPES OF STRUCTURAL DRAWING EVERY CIVIL ENGINEER MUST KNOW !! BASIC SITE KNOWLEDGE

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About This Video
In This Video Er. Akash Bohare, Explaining about TYPES OF STRUCTURAL DRAWING EVERY CIVIL ENGINEER MUST KNOW !! BASIC SITE KNOWLEDGE

BBS or Bar bending schedule is a detailed report of list of reinforcement types and sizes, its quantities, shape codes, dimensions and designated bar mark numbers with reference to a detailed structural drawing. The preparation of the BBS is known as scheduling. A bar bending schedule is usually prepared by a Quantity Surveyor and verified by a structural engineer. Various terms used in BBS areBar is a steel product of any cross-section or size conforming to recommended country design code. For example, for British standards BS 4449:2005 or BS 6744 will apply. Nominal size or diameter is the effective cross-sectional area diameter of a circle, d of the bar. Usually size of the bar.

Bar Mark is the identifying mark against each unique bar type in a drawing which refers to individual entries on the BBS. The same number is mentioned in the delivery label. A new number must be used if when the cross-section or shape or the length of bend is different. Shape code is a two-digit code which refers to the reinforcement bending shape. BS666 defines various shape and corresponding shape codes.
The total length of any bar or fabric listed in the schedule should be in multiples of 25mm and the length of individual bends should be in multiples of 5mm. Depending on the diameter of bar, the code recommends a minimum radius “r” of bending. This value for minimum radius r has to be maintained while scheduling.


Pitch/Spacing is the centre-to-centre distance between two adjacent bars placed in a pattern having same bar mark. Stock lengths are those lengths in which the manufacturer supplies the bar. Usually it is available in limited number of lengths of 6 m & 12 m.The total length of any bar or fabric listed in the schedule should be in multiples of 25mm and the length of individual bends should be in multiples of 5mm. Depending on the diameter of bar, the code recommends a minimum radius “r” of bending. This value for minimum radius r has to be maintained while scheduling.
For all shape meeting at an angle other than right angle, the dimensions are to be defined by co-ordinates as show in the figure and not in degrees of arc/radians.

When bars are cranked, eg. as in two-way slab reinforcements, the overall offset dimension, dimension “1” shown in the figure, shall be not less than twice the bar dia. The angled length, dimension “2” in the figure, shall be not less than 10 x d for bars not exceeding 16 mm dia; and 13 x d for bars greater than 16 mm dia.
When bars bends with a shape with two or more bends in the same or opposite directions in same or different plane, a minimum straight of 4 x d shall be included in BBS between curved portion, as shown. The value of “x”, in figure, shall be not less than 10 x d for bars not exceeding 16 mm dia; 13d for bars greater than 16 mm dia. This is necessary to prevent bar from developing fracture while bending.

[dhrubajyotiray]

Sir, the ties are provided to keep hold the longitudinal bars together and avoid the buckling of column.

[mukeshkumarsahani]

I am Nepali. I love your teaching. I am study only 10 class but I am to match learn drowning, cutting length, Lep length and unit weight.

[sagarbombatkar]

Ties are use to hold main bar and also to resist shear force

[SonuRaj-cdvy]

Sir total building ki step by step drawing study pr vedio bnaiye sir

[parthasarathidas]

sir west bengal ke side yea course kaab available hoga .. plz rply kijiye ga ..🙏🏻

[aparnashrivastava]

Sir aap bahut achche se illustrate krte ho har ek function. Thank you sir

[jayantipatel]

Make video on types of striuups and where to which types of striuups

[mankhan]

this is not types of STRUCTURAL DRAWINGS .
this is not an engineers talk.
THIS VID IS GOOD FOR LAOBOURS ONLY

[bantibharti]

Aap bahut hi achhe padate hai sir sahi tarike se ham samjh gaye or mujhe bahut kuch sikhana hai sir kais hoga

[mdtaufeeqiqubal]

You are explaining worong lapping for top bar should be mid span others for bottom lapping at the support correct it

[brahmatejaballipalli]

Good information sir, , thank you very much sir, , but I don't know which software is used for drafting of structural members, , is staad pro or Revit, , plss reply sir, ,

[birenku]

Sir, main fresher huun, mujhe suruyaat se sikhanaa hai, pura kaa pura series banaye

[maheshjat]

सर जयपुर में आफलाईन बेच हो तो बताएं सिविल डिप्लोमा

[jawedalam]

Building ke section ke bare me vidio banayye sir

[kaushalyadav]

Colum kai bech me tie kar sakte hai kya.. reinforced

[wpresident]

Pile foundation drawing.
Mivan Shuttering drawing.
Pre tension post tension slab drawing reading pe video banayiye.

[RaviPatel-ntgg]

Sir ji good morning mujhe aap practical and theyori base se first floor ki drawing bataiye us drawing me excavation se perafit tak bataiye

[rudrakshmokashi]

How can we get the document file of the plans that you feature in the videos

[rajanirani]

Interior or 3d aapke yaha sikhaya jata h

[naushadansarighazi]

स्टियरअप इसलिए लगाते हैं ताकि मेन बार्स को अपनी जगह पर मज़बूती के साथ रख सकें । स्टियर अप नहीं होगी तो स्ट्रक्चर में स्ट्रेंथ नहीं आएगी