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How much is the common Weight of Reinforcement in Kg/m³ for Beams?

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Question ajoutée par Mohamed Althahf Habeeb Mohamed , Quantity Surveyor , Damac Properties
Date de publication: 2014/04/19
Lalan Dissanayake
par Lalan Dissanayake , Project Quantity Surveyor (CIVIL) , Qatar Engineering & Construction Company (QCON), Qatar

Below mention quantities my own calculation in my current project.

 

 

Column and Roof Beams 181.42 kg/m3 Roof Slabs (240mm thick) 158.9 kg/m3 Small Bases (below3m3) 89.06 kg/m3 Grade Beams 206.94 kg/m3 Medium Bases (between10-20m3) 144.03 kg/m3 Retaining Wall 69.25 kg/m3 Ground Floor Slab (240mm thick) 67.09 kg/m3 Area Paving (100mm thick) 69.65 kg/m3 Duct Bank 59.76 kg/m3 Sleeper Pedestals 71.62 kg/m3 Building Walls (300mm thick) 157.63 kg/m3

Salauddin Syed
par Salauddin Syed , Cost Manager , Currie and Brown consultants

if u r talking about density of steel then it is7850 kg/m3 and weight of reinforcement over concrete changes as per design and it varies according to type of constuction.

 

 

Utilisateur supprimé
par Utilisateur supprimé

Dear Habeeb, It is depend how much MPA for the concrete, higher concrete MPA need high rebar also. As my experience for Fc32 is200 -250 kg/m3. For Fc40 is200 -400 kg/m3, but these are not efficience. Normally the ideal is110-125 kg/m3. I hope this information useful for you. Thanks Andi

Hi., Actually what is your % steel by volume of Concrete.. Please tell me sir.

Tanveer Ahmed
par Tanveer Ahmed , Civil Estimator/Quantity Surveyor , Shade Corporation Ltd.

Approximately the Ratio of Steel for Beams is 160 kg/m3

JAVED YAQOOB JAVED
par JAVED YAQOOB JAVED , Sr.Quantity Surveyor , Dar Al Handasah (Shair and Partners)

reinforcement weight is 7850kg/m3

Alex Salinas
par Alex Salinas , Project Quantity Surveyor , PMQS Solutions Construction, Inc.

common weight of reinforcement is 150 kg/m3.

Karthikeyan Sekar
par Karthikeyan Sekar , Quantity surveyor , EMCO QATAR

Footing - 80 kg/cumeccolumn - 160 kg/ cumecBeam - 110 kg/ cumecslab - 80 kg / cumec

jay raj bista
par jay raj bista , Civil Engineer , Abdulla Nass Group

average 120 kg/m3 in beam and slab

sajid Mumtaz Raza
par sajid Mumtaz Raza , Project Architect , Ford Motor Company

Bases Beams Capping beams Columns Ground beams Footings Pile Caps Plate slabs Rafts Retaining walls Ribbed floor slabs Slabs – one way Slabs – two way Stairs Tie beams Transfer slabs Walls – normal Walls – wind NOTE: For exposed elements add the following:Beams +100%; Columns +15%; Walls +50%Average values for typical concrete frames:Heavy industrial = 130 kg/m3Commercial = 100 kg/m3Institutional = 90 kg/m3 90-130250-350 135 200-450 230-330 70-100 110-150 95-135 115 110-150 80-120 75-125 67-135 130-170 130-170 150 70-100 90-150 

jaberkhan pathan
par jaberkhan pathan , Quantity Surveyor,Estimator , Srujan Construction Management Solutions

Originally it is depends on the design..it may be vary 105 kg/cum to 160 kg/cum.It will be less for Plinth beam as compared to floor beam.

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