Gujarat Technological UniversitySummer 2026 examination

GTU 3150612 Design of Structures Summer 2026 Question Paper & PDF

B.E. · Civil Engineering · Semester 5 · Subject code 3150612
Download official PDFView PDF here
Share with your class
Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.

9 of 25 questions on this paper were also asked in other years. 2 more are types of question GTU sets again with new data. Each is marked below with the years it appeared.See all 27 repeated 3150612 questions, most asked first

Q.1

14 Marks
(a)
3 marks
Define
1)Characteristic load
2)Characteristic strength
3)Clear cover
(b)
4 marks
Explain limit state of collapse & limit state of serviceability in flexure.
(c)
7 marks

A singly reinforced beam 200 mm width and 410 mm effective depth reinforced with 4 bars of 12 mm diameter on tension side. State the type of section and calculate moment of resistance of the section. Use M20 grade concrete and Fe415 steel.

Q.2

14 Marks
(a)
3 marksAsked in 2 of 6 papers

Explain the different types of failures observed in bolted connection with neat sketches.

Also asked in Summer 2025 Q2b

(b)
4 marks
Enlist advantages and disadvantages of structural steel.
(c)
7 marks

Find the area of reinforcement in tension and compression zones of rectangular R.C. beam of limited size 250 mm wide and 400 mm deep effective. The effective cover of compression and tensile reinforcement is 40 mm. The beam has to resist factored B.M. 180 kN.m. Use M-20 concrete and fe-250 steel.

(c)
7 marksSame type asked in 2 of 6 papers

An ISA 125 x 75 x 8 mm is to be connected with 8 mm thick gusset plate with its longer leg connected by 4 mm size weld to transfer an axial pull of 120 kN. Design the welded connection and show the details by sketch. Assume steel grade fe 410

Also asked in Winter 2023 Q4c

Q.3

14 Marks
(a)
3 marksAsked in 3 of 6 papers

Differentiate the limit state method and working stress method of design for RCC structures.

Also asked in Winter 2025 Q1a, Summer 2024 Q1a

(b)
4 marks
Write design steps for isolated rectangular column footing.
(c)
7 marksSame type asked in 3 of 6 papers

Design a simply supported slab on 300 mm wide brick masonry walls for a clear room dimension 3 m x 8 m. Assume floor finish 0.75 kN/m² and live load 3 kN/m². Check for limit state of serviceability. Use M: 20 grade of concrete and Fe: 250 grade of steel

Also asked in Winter 2023 Q4c OR, Summer 2023 Q5c

(a)
3 marksAsked in 2 of 6 papers

Why the balanced sections are most preferred over Under-reinforced section and Over-reinforced section. Also mention which type of section is avoided in design of singly reinforced beam with suitable reason.

Also asked in Winter 2025 Q1b

(b)
4 marksAsked in 5 of 6 papers
Why are four different buckling curves prescribed to evaluate column strength?

Also asked in Winter 2025 Q4a OR, Summer 2025 Q5a, Summer 2024 Q5a OR, Summer 2023 Q5a OR

(c)
7 marks

Design a short R.C. square column for an axial compressive factored load of 1500 kN. Consider minimum percentage of steel as longitudinal reinforcement. Also, design lateral ties. Use M: 20 grade of concrete and Fe: 415 grade of steel.

Q.4

14 Marks
(a)
3 marksAsked in 3 of 6 papers
Differentiate between one-way slab and two-way slab.

Also asked in Winter 2023 Q4a, Summer 2023 Q5a

(b)
4 marks

Plot neat sketch of stress-strain curve of concrete and stress block parameters adopted by IS:456(2000).

(c)
7 marks

A singly reinforced rectangular beam is subjected to factored shear force of 180 kN. The effective size of beam is 300 mm x 500 mm. the beam is reinforced with 1.2% tension steel. Find spacing of 2 legged-8 mm dia.-Fe 415 grade vertical stirrups. Use M-20.

(a)
3 marksAsked in 4 of 6 papers
Describe what you understand by class 4.6 and class 8.8 bolts?

Also asked in Summer 2025 Q2a, Summer 2024 Q2a, Summer 2023 Q2a

(b)
4 marks
Explain shear lag effect and lug angle with neat sketch?
(c)
7 marks

A member of a steel roof truss consists of two angles ISA 75 x 75x 6 mm placed back-to-back on either side of 8 mm thick gusset plate. The member carries an ultimate tensile load of 150 kN. Determine the number of 16 mm dia. 4.6 grade ordinary bolts required for the joint. Assume fu of plate as 410 MPa.

Q.5

14 Marks
(a)
3 marksAsked in 3 of 6 papers
Draw neat sketch of battening system.

Also asked in Winter 2025 Q4a, Summer 2023 Q4a OR

(b)
4 marksAsked in 2 of 6 papers
Draw a neat sketch with all details of gusseted base footing.

Also asked in Summer 2023 Q3b

(c)
7 marks

Design a tension member to carry a factored load of 230 kN. Use single unequal angle with 4 mm fillet weld for the connection to gusset plate. Length of member is 3.0 m. Take fy = 250 MPa and fu = 410 MPa

(a)
3 marks
Draw neat sketch of lacing system.
(b)
4 marksAsked in 4 of 6 papers
Draw a neat sketch with all details of slab base footing.

Also asked in Summer 2025 Q3b, Summer 2024 Q3b, Winter 2023 Q3a OR

(c)
7 marks

Calculate compressive strength of a compound column consisting of ISHB 300 @ 0.58 kN/m with one cover plate of 350 x 20 mm on each flange and having a length of 5.0 m. assume that the bottom of column is fixed and top in pinned. Take fy = 250 MPa

More Design of Structures papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Preparing with friends?

Send this paper to your class group. Every question has its own link.

About this paper

Official Gujarat Technological University (GTU) examination paper for Design of Structures (Summer 2026, B.E. · Civil Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

ViewDownload PDF