NUTL Civil Engineering Labs

Civil Engineering Labs

The Civil Engineering Department comprises seven labs.  The major equipment include Universal Testing Machine 2000 KN, Compression Testing Machine 5000 KN, Flow Channel, Hydrology and Rainfall Apparatus, Triaxial Testing Machine and Flexural Testing Machine 200 KN etc. 

Concrete Technology Lab

The objective of this lab is to introduce concepts of concrete production, properties of fresh and hardened concrete, constituents used in concrete like coarse aggregate, fine aggregate, cement, water cement ratio for a concrete, proportioning for different mix design methods, concrete strength evaluation methods by destructive testing like concrete compression cylinder and cube tests. 

Equipment

• Universal Testing Machine
• Compression Testing Machine
• Blaine Apparatus
• Sieve Sets
• Muffle Furnace
• Vee Bee Apparatus
• Compaction Factor Apparatus
• Flexural Testing Machine
• Slump Cone Apparatus
• Vicat Apparatus
• Le Chatelier Apparatus

Key Capabilities

• Familiarization with the working of Basic Laboratory Equipment
• Measurement of compression strength of various concrete specimens.
• Investigation of soundness of concrete mixture.
• Measurement of flexural strength of plain and reinforced concrete beams.
• Familiarization with stress strain behavior of steel rebars.
• Demonstration of workability of concrete samples

Transportation Engineering Lab

The objective of this lab is to introduce fundamental principles and methods to attempt and perform the experiments related to physical properties of pavement materials. 

Equipment

• Pavement Core Drilling Machine
• Los Angeles abrasion machine
• Specific gravity frame with plastic tank
• CBR testing machine with accessories
• Aggregate impact testing machine
• Cleveland flash tester
• Aggregate crushing value apparatus
• Ring and ball apparatus
• Bitumen Penetrometer
• Marshal machine
• Ductilometer
• Flakiness and elongation tools for aggregate
• Coarse aggregate sieve shaker
• Automatic binder extractor
• Skid Resistance Apparatus

Key Capabilities

• Determination of strength of subgrade at different moisture contents.
• Differentiation between flaky and elongated aggregates and their applications.
• Determination of durability of aggregates to be used in pavements.
• Determination of Absorption and Specific Gravity of aggregates.
• Familiarization with consistency of bitumen.
• Determination of softening point of bitumen.
• Analysis of field density of soil.

Surveying Lab

The objective of this lab is to introduce the fundamental principles and methods of advanced surveying and its application through experimental work.

Equipment

• Electronic Theodolite
• Electronic Total Station
• Handheld laser distance meter
• Laser level
• Auto level
• GPS
• Prismatic compass
• Digital compass

Key Capabilities

• Measurement of length, area and volume using different measuring devices.
• Determination of coordinates using prismatic and digital compass.
• Familiarization with modern surveying equipment such as auto level and rotary laser level.
• Measurement of interior angles of traverse using electronic theodolite.
• Determination of coordinates using total station.
• Determination of coordinates using GPS.

Fluid Mechanics Lab

The objective of this lab is to introduce fundamental principles of fluid mechanics. Topics related to hydrostatics, conservation of mass, momentum and energy in fluid mechanics, flow nets, velocity distributions in laminar and turbulent flows, principles in hydraulics, with emphasis on open channel flow and hydraulic structures are taught in this lab.

Equipment

• Pascal apparatus
• Flowmeter demonstration with BDAS
• Particles Drag coefficient apparatus
• Hydrostatics Bench & Fluid Properties
• Bernoulli Apparatus
• Impact of Jet with DAQ
• Osborne-Reynold number with DAQ
• Orifice discharge apparatus with DAQ
• Hydraulic Bench with DAQ System
• Flow over weir apparatus with DAQ
• Cavitation demonstration with DAQ
• Hydraulic Bench without DAQ
• Energy Losses in piping elements / Fluid friction with DAQ
• Flow channel with DAQ (2.5 m)
• Hydrology system with DAQ
• Potential Flow / Flow visualization apparatus

Key Capabilities

• Measurement of viscosity of fluid.
• Demonstration of Pascal’s Law.
• Visual analysis of flow of water.
• Differentiating between laminar and turbulent flow.
• Demonstration of hydrostatic pressure on immersed surfaces in water.
• Bernoulli‘s theorem Demonstration.
• Measurement of coefficient of discharge of water.
• Demonstration of energy losses in pipes.
• Demonstration of various phases of open flow.

Environmental Engineering Lab

The objective of this lab is to introduce concepts of environmental pollution, contamination and their sources in the context of water and waste water and to acquaint students with environmental engineering concepts.

Equipment

• BOD and COD meter set
• TDS meter
• Turbidity meter
• Partition Gravimetric equipment
• Dissolve oxygen (DO) meter
• PH meter
• Standard test jar apparatus with accessories
• Magnetic Stirrers with Ceramic Hot plate
• Muffle furnace

Key Capabilities

• Measurement of the amount of oxygen that will be consumed by bacteria or other aerobic microorganisms.
• Determination of Total Dissolved Solids in a solution.
• Measurement of turbidity of solution.
• Determination of pollutants in water samples.
• Measurement of amount of oil and grease present in water.

Solid Mechanics Lab

This lab introduces fundamental principles and methods of structural mechanics.  In this laboratory, students perform various tests on materials in tension, compression, torsion, bending, and impact.

Equipment

• Centre of gravity apparatus
• Inertia in rotational motion apparatus
• Polygon of forces apparatus
• Reaction of beam apparatus
• Work done by variable force apparatus
• Modulus of rigidity apparatus
• Strut apparatus

Key Capabilities

• Determination of center of gravity (centroid) of various objects by analytical solution and experimental observations.
• Analysis of rotational inertia of a point mass and rod experimentally.
• Illustration of vector nature of forces.
• Measurement of reactions and deflections of simply supported beams under various loadings.
• Demonstration of work done by a variable force (Tangential), as area under the graph of force.
• Illustration of the effect of support conditions on the load carrying capacity of a slender column and buckling behavior in it

Geotechnical Engineering Lab

This lab provides an elementary introduction of Soil Mechanics such as measurement of in-situ density of soil, determination of moisture contents of soil, mechanical and hydrometer analysis, consolidation test of soil and all the topics necessary for the detailed study of Geotechnical Engineering

Equipment

• Direct shear apparatus
• Falling head permeameter
• Oedometer
• Shrinkage limit set
• Plastic limit apparatus
• Liquid limit apparatus
• Sand cone apparatus
• Core cutter FDT apparatus
• Specific gravity for soil apparatus
• Standard proctor apparatus with rammers
• Modified proctor apparatus with rammers
• Coarse aggregate sieve shaker
• Hydrometer
• Rock hammer
• Pocket penetrometer
• Rock index apparatus
• Soil/CBR compactor
• Automated Triaxial Testing System
• Double ring infiltrometer
• Coarse aggregate sieve set
• Lab plate load test machine
• Speedy moisture meter
• Constant head permeability apparatus
• SPT apparatus

Key Capabilities

• Determination of moisture content of soil by various methods.
• Familiarization with factors affecting shear strength of soil.
• Determination of specific gravity of soil.
• Determination of Atterberg’s Limits (Liquid Limit And Plastic Limit) of soil.
• Determination of In-Place Soil Density By Core Cutter Method & By Sand Replacement Method.
• Determination of soil compaction in the lab.
• Determination of permeability of fine grained and granular soils.