Advantages and Disadvantages of Steel Building Construction

Advantages and Disadvantages of Steel Building Construction

Today, basically all enterprises have significant utilizations of structural steel. From industry equipment to completed products, structural steel is used all over the place. Buildings, bridges, high-rise buildings, and distribution centers are made using structural steel sections. Industry specialists prefer the use of structural steel over some other structure material for construction. This is mostly a result of the multitudinous advantages underlying steel gives. Be that as it may, as with all the other things on the planet, there are sure drawbacks of using structural steel in building structures.

Steel is perhaps the most by and large used material of construction time. Without steel, the construction doesn’t make a positive while seismic tremors like earthquakes, and so on occur. Steel structures are defenseless to different ecological conditions. There are a couple of properties wherein substantial plans are liked over steel. The usage of steel is reliably extending wherever internationally being construction projects and civil engineering related fields. The use of steel being construction buildings turned into a typical practice, the heaviness of the construction material and the powers of gravity and pressing factor characterized the perseverance, possibility of soundness in design, and its compositional potential outcomes.

Advancement in the use of steel in the construction industry got another reasonable perspective about new yet enduring constructional structures. As steel has a higher size of rigidity, it permits the advancement of new structural systems (like cantilevers) and offers resolute help to work broad tasteful conceivable outcomes, (for example, gravity-challenging high rises) for construction or related projects.

The utilization of steel is consistently expanding everywhere in the world in construction projects and furthermore in civil engineering related fields. Steel structure is a viable construction technique when contrasted with others. In this article, we have discussed the advantages and disadvantages of the steel structures.

Advantages of Steel Structure Building Construction

1. Reliability

Steel structures are entirely reliable. The purposes behind this reliability remember consistency and steadiness for properties, better quality control in view of processing plant make, huge versatility, and flexibility. On the off chance that various examples of some type of steel are tried in the lab for yield pressure, extreme qualities, and extensions, the variety is a lot lesser than different materials like cement, concrete and wood.
Further, due to genuinely homogeneous and flexible material, steel fulfills the majority of the presumptions associated with the deduction of the analysis and plan formulas and the beneficiary alternatives, permitting them to make new/huge space using steel items that simply weren’t accessible with different materials.

2. Design

Perhaps the most apparent advantage of using a steel structure in construction is the capacity of the steel to traverse more prominent distances with steel roof joists. This permits designers to extend their alternatives, permitting them to make new/huge space using steel items that simply weren’t accessible with different materials.

A steel structure is enthusiastically suggested for huge a span and heavy structure which befits a wide range of modern structures. Lower floor-to-floor heights can undoubtedly be constructed using a staggered truss, girder slab, and castellated beam construction. Incredibly long open ranges are conceivable using steel that would not be feasible to carry out in concrete or with wood support.

The most economical and general shape for a pre-assembled steel building is an essentially square shape. In any case, steel is additionally used to make more mind-boggling plans. Steel’s most prominent plan resource might be its capacity to traverse significant distances without intruding on the connection inside sections. That is the reason aircraft storages manufacturers use steel structure. A reasonable range inside space gives more floor-plan adaptability. It also permits a more prominent opportunity for later remodels and changes. It is an easy-to-plan cantilever made with steel.

3. Industrial Behavior

Rolled steels are made in processing factories. Additionally, the members might be cut and ready for gathering in industrial facilities while just joining of these parts is completed at the site by introducing bolts or bolts and by welding various segments. Some of the time portions of the design are additionally amassed in the industrial facilities, that is, there is an incredible variation to construction. Manual blunders diminish enormously in such cases, the speed of construction increments, and the complete cost reduces.

4. Lesser Construction Time / Greater Erection Speed

Due to the industrial idea of steel construction, progress of the work is quick making the constructions affordable. The explanation is that these structures can be put to use before. The decrease in labor cost and overhead changes and the advantages acquired from the early use of the structure add to the economy.

5. Easy Installation and Speed in Construction

Steel parts in a steel structure are pre-produced to a particular design inside the assembling plant/fabrication shop and are delivered out in the fit-to-be raised condition. Thus it speeds up construction time fundamentally. Along these lines, it is feasible to complete large-scale projects in a more limited period than expected.

Conventional steel structures are constructed out of hot-rolled bars and columns, open-web joists, and metal decking. Since structural steel is hard to make nearby, it is for the most part cut, formed, and bored in a manufacturing shop according to the plan particulars; this can bring about relatively quick and exact construction.

Due to easy-to-make portions of a steel structure, it is bother allowed introducing and collecting them on location, and furthermore, there is no requirement for estimating and cutting off parts nearby.

6. High Strength and Light Weight Nature

The high strength of steel per unit weight implies that the dead loads will be more modest. It is to be noticed that dead loads are a greater piece of the absolute burdens on the construction. At the point when the dead burden lessens, the under individuals become still more modest because of less weight following up on them. This reality is critical for long-length spans, tall structures, and designs having helpless foundation conditions.

7. Versatile

Steel is extraordinarily adaptable as it tends to be formed into practically any shape, which makes it an appealing alternative for both private and business structures. Modelers may allow their creative minds to go out of control, while as yet being able to plan and construct a structure that is both strong and safe.

Additionally, for the flexibility to the adaptable plan of huge, clear-length structures like air terminals, terminal structures, assembly rooms, corridors, rural structures, distribution centers, and indoor regions, there are not really any choices to steel structures.

8. Uniformity, Durability and Performance

Steel is an extremely homogeneous and uniform material. Henceforth, it fulfills the essential suppositions of the greater part of the examination and designs equations. On the off chance that appropriately kept up with painting, and so forth the properties of steel don’t change obviously with time; while, the properties of cement in a supported substantial construction are extensively altered with time. Henceforth, steel structures are tougher.

9. Elasticity

The steel acts nearer to plan presumption than the vast majority of different materials since it adheres to Hooke’s law up to genuinely high burdens. The pressure delivered stays corresponding to the strain applied oft the pressure strain graph stays a straight line. The steel sections don’t break or tear before extreme burden and subsequently, the moments of inactivity of steel construction can be unquestionably determined. The moments of inertia obtained for a reinforced concrete structure are rather indefinite.

10. Additions to Existing Structures

Increases to existing steel structures are extremely simple to make. Associations among new and existing designs can be utilized adequately. New bays or even whole new wings can add to existing steel outline building, and steel brides may frequently be extended.

11. Ductility and Warning before Failure

The Property of a material by which it can withstand broad distortion without disappointment under high malleable burdens is supposed to be its pliability. Mild steel is an extremely pliable material. The rate extension of a standard strain test example after crack can be pretty much as high as 25 to 30%. This gives apparent redirections of proof of approaching disappointment in the event of over-burdens. The additional heaps might be taken out from the construction to forestall breakdown. Regardless of whether a breakdown happens, time is accessible for inhabitants to vacate the building.

In structural members under typical loads, high-stress fixations create at different focuses. The bendable idea of the typical primary steel empowers them to yield locally at those focuses, accordingly rearranging the anxieties and forestalling untimely disappointments.

12. Possible Reuse

After a structure is disassembled steel sections can be reused properly.

13. Scrap Value

Even though it is not reusable in its existing form steel has a high scrap value.

14. Water-Tight and Air-Tight Constructions

Steel structures give totally impenetrable construction and designs like supplies, oil pipes; gas pipes, and so forth are ideally produced using structural steel.

15. Long Span Construction

High-rise structures, long-length bridges, and tall transmission towers are comprised of structural steel. Modern structures up to a range of 90.m can be planned by plate supports or brackets. The bridge spans up to 260.m is made with plate braces. For through support spans, Bridge ranges of 300.m have been used.

16. Temporary Construction

For brief structures, steel construction is constantly liked. Armed force constructions during the conflict are for the most part made out of structural steel. The designs might be dismantled by opening not many bolts, segment parts are conveyed to new spots are the construction is handily reassembled.

17. Fire Resistance

Steel structures are profoundly fireproof when contrasted with wood, and it decreases the fire mishap hazard to a structure. The spread of fire gets diminished if there is more steel structure in a structure. Extraordinary fire-resistant coatings are used to build this property of structural steel.

Steel structures are exceptionally fireproof when contrasted with wooden designs as wood is a flammable material and less fireproof when contrasted with RCC structures.

18. Energy Efficiency

Notwithstanding, a house, worked with steel can really be less energy proficient than a wooden structure. Metal exchanges cold and hot temperatures multiple times quicker than wood. However, extra protection must be utilized to stop this super quick exchange of warmth, explicitly wrapping steel outlining with inflexible protection notwithstanding the using of traditional protection between studs. When the issue of protection and energy productivity is all around treated, (if conceivable) it will at this point don’t stay an impediment for steel construction.

Disadvantages of Steel Structure Building Construction

1. High Maintenance Costs and More Corrosion

Most steels are susceptible to consumption when openly presented to air and water and should along these lines be occasionally painted. This requires additional expense and extraordinary consideration. The use of enduring prepares, in stable plan applications, will in general kill this expense. If not appropriately kept up with, steel individuals can lose 1 to 1.5 mm of their thickness every year. Appropriately, such construction can get thinner up to 35% during their predetermined life and can come up short under the external loads.

2. Fireproofing Costs

Despite the fact that steel members are incombustible, their solidarity is colossally decreased at temperatures prevailing in fires. At about 400ºC, creep turns out to be substantially more articulated. Creep is characterized as plastic misshaping under a consistent burden for a significant stretch of time. This produces unreasonably enormous diversions/distortions of principle individuals compelling different individuals to higher burdens or even to fall.

Steel is a magnificent conductor of warmth and may send sufficient warmth from a consuming compartment of a structure to light a fire in different pieces of the structure. The additional expense is needed to appropriately fire resistant the structure.

3. Susceptibility to Buckling

The steel sections for the most part comprise of a blend of flimsy plates. Further, the general steel part measurements are additionally more modest than reinforced concrete members. If these slender members are exposed to pressure, there are more prominent shots at clasping. Buckling is a kind of breakdown of the individuals because of unexpected huge bowing brought about by a basic compressive burden. Steel when used for sections is here and there not exceptionally conservative in light of the fact that impressive material must be used just to solidify the segments against bucking.

4. Higher Initial Cost / Less Availability

In few countries, steel isn’t accessible in bounty and its underlying expense is exceptionally high contrasted and the other structural materials. This is the main factor that has brought about the decrease of steel structures in these countries.

5. Aesthetics

For specific types of structures, the steel structure is architecturally preferred. Nonetheless, for most private and places of business, steel structures without the use of bogus roofs and cladding are considered to have a helpless stylish appearance. An impressive expense is to be spent on such designs to work on their appearance. Cladding is a covering of metal, plastic, or lumber put on the outside of an underlying part to totally encase it. The cladding secures the part as well as works on its appearance.

6. Fatigue and Fracture

Steel structures are very susceptible to fatigue. Enormous varieties in elasticity open steel components to inordinate strain, which diminishes their general strength. Steel is also receptive to fragile crack when it loses its pliability. These two difficulties increment their shots at clasping, which are normally offset by adding costly steel sections that can effectively solidify the essential construction.

7. Fire Damage

Steel is, without a doubt, less combustible than other construction materials for example wood, and so forth, and more combustible than concrete whenever presented to fire for long. However, its solidarity and perseverance can be diminished whenever presented to high temperatures.
In high temperatures, plastic twisting under load happens, making enormous redirections in steel individuals. Any weights on the principle steel part move burden to different individuals conceivably bring about a collapse.

8. Fabrication Error

However steel is a versatile material, it’s difficult to make field adjustments on the off chance that at least one part doesn’t fit as expected. Most metal structures makers perform stick to exacting quality affirmation cycles to guarantee all pieces of a structure fit accurately. Yet, in reality, it’s anything but conceivable. One can’t form it or cut it in the ideal shape nearby whenever it is manufactured.


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