CE-402 Construction Technology - Dec 2024 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aExplain the concept of bearing capacity and its significance in determining foundation design.
   How to answer

   • Define bearing capacity - ultimate, safe and allowable bearing pressure
   • Explain significance for size/depth/type of foundation and settlement control
   • Brief factors affecting bearing capacity and methods of determination
   • Link to safety against shear failure and serviceability
2. 7 Marks
   bOutline the key factors to consider when selecting the appropriate type of pile for a given project.
   How to answer

   • List pile types - driven, bored, cast-in-situ, steel, concrete, timber, friction vs end-bearing
   • Factors: soil strata, load magnitude/type, groundwater, site access, cost-time
   • Durability, constructability and environmental considerations
   • Selection logic for given project conditions
3. 7 Marks
   aDiscuss how the presence of groundwater affect the stability and performance of building footings?
   How to answer

   • Effect of water table on effective stress and bearing capacity reduction
   • Seepage, uplift, piping, settlement and stability issues
   • Durability - corrosion, chemical attack on footings
   • Remedial measures - dewatering, waterproofing, deeper footings
4. 7 Marks
   bDiscuss the design considerations and construction features of temporary structures such as

   1. i)Scaffolding
   2. ii)Shoring
   3. iii)False work
   How to answer

   • Purpose and design loads for scaffolding, shoring, falsework/formwork support
   • Materials, stability, bracing and safety considerations
   • Erection, inspection, dismantling sequence
   • IS provisions and site quality control
5. 7 Marks
   aDiscuss the role of formwork design in achieving architectural aesthetics and structural integrity in bridge construction.
   How to answer

   • Functions of formwork - shape, finish, dimensional accuracy, load support
   • Influence on surface quality, aesthetics and honeycombing control
   • Stiffness, alignment and safety for structural integrity of bridges
   • Material and reuse, striking criteria
6. 7 Marks
   bDescribe the process of stationary formwork construction and its application in vertical concrete structures.
   How to answer

   • Define stationary / conventional formwork and its components
   • Stepwise erection for walls, columns, piers - alignment, concreting, curing, striking
   • Applications in vertical elements - lifts, slip vs stationary
   • Advantages, limitations and quality checks
7. 7 Marks
   aDiscuss the different types of bonds used in brick masonry and their applications in construction.
   How to answer

   • Define bond in brick masonry and need for overlapping
   • Types - stretcher, header, English, Flemish, garden, stack
   • Sketches of plan/elevation for each bond
   • Applications - walls thickness, strength, appearance
8. 7 Marks
   bDescribe the methods and materials used for damp-proofing and waterproofing masonry walls.
   How to answer

   • Causes of dampness and need for DPC and waterproofing
   • Methods - DPC layers, integral admixtures, surface treatments, membranes, cavity walls
   • Materials - bitumen, polythene, cement mortar, chemicals
   • Construction details and precautions
9. 7 Marks
   aOutline the construction process and advantages of using RCC (Reinforced Concrete Cement) door and window frames in building construction.
   How to answer

   • RCC door/window frames - precast vs cast-in-situ process
   • Steps - moulding, reinforcement, concreting, curing, fixing
   • Advantages - durability, termite/fire resistance, low maintenance, cost
   • Limitations and fixing details
10. 7 Marks
    bIdentify different types of stairs based on their design, including straight stairs, spiral stairs and curved stairs, and discuss their respective advantages and limitations.
    How to answer

    • Classification - straight, dog-legged, open-well, spiral, curved, bifurcated
    • Construction features of each type
    • Advantages - space, aesthetics, circulation
    • Limitations - cost, comfort, structural complexity
11. 7 Marks
    aDescribe the construction process for various types of ground floorings.
    How to answer

    • Types - earth, muram, concrete, mosaic, tiled, marble
    • Sub-base preparation, DPC, screed and finishing steps
    • Materials and thickness specifications
    • Curing and quality checks
12. 7 Marks
    bProvide an introduction to ground floors in building construction, highlighting their importance and functions.
    How to answer

    • Define ground floor and its structural/non-structural roles
    • Functions - load distribution, damp resistance, thermal comfort
    • Importance for serviceability and hygiene
    • Brief components - subgrade, base, DPC, topping
13. 7 Marks
    aDiscuss the construction techniques for double or purlin roofs to support the roof covering and provide structural support.
    How to answer

    • Define double/purlin roof and components - rafters, purlins, trusses
    • Construction sequence and load transfer to walls/trusses
    • Support to roof covering - spacing, fixing
    • Bracing and stability provisions
14. 7 Marks
    bOutline the principles of seismic design and the role of building codes and regulations in ensuring structural safety against earthquakes.
    How to answer

    • Seismic design principles - ductility, regularity, redundancy, continuity
    • Base shear, load path, detailing for energy dissipation
    • Role of IS 1893, IS 13920 and building codes
    • Enforcement, safety and damage mitigation
15. 7 Marks
    aDiscuss the factors that influence the selection of corner reinforcement materials and dimensions, such as wall height, load requirements and building codes.
    How to answer

    • Factors - wall height/thickness, vertical/horizontal loads, exposure
    • Material choice - concrete, steel, masonry reinforcement
    • Code requirements for dimensions and anchorage
    • Workmanship and durability considerations
16. 7 Marks
    bDiscuss the importance of beams and columns in the structural framework of buildings. What are their primary functions?
    How to answer

    • Beams - carry slab loads, bending and shear resistance, frame action
    • Columns - axial load transfer to foundation, stability
    • Interaction as structural skeleton for lateral and gravity loads
    • Importance for safety and serviceability