Steel vs Concrete

PEB vs Concrete

Steel vs Concrete

Evaluation Criteria




  • Low manpower count is needed.
  • High manpower count is needed
  • Construction cost is low at site.
  • Construction cost is High at site.
Erection Time
  • Fast Erection process resulting in less time consumption.
  • Slow Erection process resulting in less time consumption.
Error Modification
  • Easy to modify on site,even after erection.
  • Difficult to modify as it requires breaking concrete.
  • Show signs of failure when overloaded
  • May result in disastrous collapse without warning signal
  • Strength is assured from Design.
  • Strength cannot be guaranteed without testing.
  • Steel Properties are stable with time.
  • Concrete Properties may change over time due to environmental conditions.
Delivery and Logistics
  • Can be delivered anywhere in the world
  • Can be properly sequenced
  • It has to be build on the site itself
  • Might have to build batch plant on site,if site is secluded or huge
Building Dimensions
  • Suitable for larger span buildings,20-30m.
  • Sustainable for larger spans.
  • Suitable for shorter span buildings,5-8m.
  • Not sustainable as it becomes difficult and heavy for larger spans
Seismic Effect
  • Ductility of steel provides flexible behavior under seismic loads
  • Steel is heavier than concrete but is 18 times stronger
  • Poor flexibility under seismic loads
  • Urge portion of concrete strength consumed to resist effect of its own weight
  • Fabrication of members are done under controlled environment.
  • Precise Fabrication
  • Fabrication of members are done on the site.
  • Before pouring the concrete ,it requires to build reinforcement cage and shuttering work.
Industrial Applications
  • Can easily handle equipment such as multiple cranes within building
  • Precision can be achieved during installation
  • Handling heavy equipment such as cranes is limited
  • To achieve precision during installation contractors use steel I beams and Platforms in concrete buildings
  • Expansion is easy.
  • Longitudinally expansion is about adding more bays and connecting the secondary members and the sheeting to the old building.
  • Expansion is difficult.
  • The contractor has to build a new structure with foundations,columns and might have to break part of the old structure in order to expand it.
  • Improved Quality Factors as follows:
  • It is a homogeneous product.
  • Precise machinery is used for fabrication.
  • According to shop drawings ,pieces are tailored.
  • Quality is not affected by weather conditions.
  • Deteriotating Quality Factors as follows:
  • It is not a homogeneous product.
  • It is difficult to maintain concrete mix ingredient rations.
  • Affected according to labour experience in pouring,use of vibrators and curing methods.
  • Quality is affected by weather conditions.
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