Concrete Technology

Course Objectives

This course is aimed at exposing the students to the fundamentals of properties of concrete materials, its testing procedures, various types of concretes, NDT of concrete and mix design. After this course, students will be in a position to determine the properties of concrete materials, testing of concrete and do a mix design based on requirement.

Syllabus

Module 1 Concrete materials

Cement -Review of manufacturing process- chemical composition, Bogue’s compounds, mechanism of hydration-heat of hydration-Aggregate-Review of types, sampling and testing, artificial aggregates – Chemical Admixtures– types, uses, mechanism of action – effects on properties of concrete – Mineral admixtures– types, chemical composition – physical characteristics – effects on properties of concrete – Rheology – basic concepts – Bingham model

Module 2 Mix proportioning

Mix design – nominal mix- design mix – concept of mix design – variables of proportioning -general considerations – factors considered in the design of concrete mix- various methods of mix design – design of concrete mix as per IS 10262-2019 – Statistical quality control of concrete – mean strength – standard deviation – coefficient of variation – sampling – testing – acceptance criteria

Module 3 Properties of fresh and hardened Concrete

Properties of fresh concrete– workability-factors affecting workability – slump test compaction factor test- Vee Bee consistometer test- Properties of hardened concrete – modulus of elasticity, compressive strength, split tensile strength, flexural strength- effect of water cement ratio – maturity concept- Creep – factors affecting creep – effect of creep-Shrinkage– factors affecting shrinkage – plastic shrinkage, drying shrinkage, autogenous

shrinkage, carbonation shrinkage.

Module 4 Durability & NDT of concrete

Durability of concrete– Factors affecting durability – permeability- cracking-reinforcement corrosion; carbonation, chloride penetration, sulphate attack, acid attack, fire resistance; frost damage, alkali silica reaction, concrete in sea water – Non-destructive testing of concrete surface hardness test- ultrasonic pulse velocity method – penetration resistance- pull-out test core cutting – measuring reinforcement cover.

Module 5 Special Topics in Concrete Technology

Special concretes – lightweight concrete-heavy weight concrete – high strength concrete – high performance concrete – self compacting concrete -roller compacted concrete– fibre reinforced concrete – polymer concrete-pumped concrete – ready mix concrete – green  Concrete. Special processes and technology – sprayed concrete; underwater concrete, mass concrete; slip form construction, prefabrication technology- 3D concrete printing

 Text Books (T)

T1. Neville A.M., ‟Properties of Concrete‟, Trans-Atlantic Publications, Inc.; 5e, 2016

T2. R. Santhakumar „ Concrete Technology‟, Oxford Universities Press, 2

T3. Shetty M. S., Concrete Technology‟, S. Chand & Co., 2018

Reference Books (R)

R1. Mehta and Monteiro, Concrete-Micro structure, Properties and Materials‟, McGraw Hill Professional 2017

R2. Neville A. M. and Brooks J. J., Concrete Technology, Pearson Education, 2019

R3. Lea, Chemistry of Cement and Concrete‟, Butterworth-Heinemann Ltd, 5e, 2017

Course Outcomes

After completion of the course, student will be able to

CO1: Recall the properties and testing procedure of concrete materials as per IS code

CO2: Describe the procedure of determining the properties of fresh and hardened concrete

CO3: Design concrete mix using IS Code Methods.

CO4: Explain nondestructive testing of concrete

CO5: Describe the various special types of concretes

Mapping of Course Outcomes with Program Outcomes and Program Specific Outcomes