Course detail

Concrete Technology – laboratories

FAST-BJ03Acad. year: 2020/2021

Performance of basic technological tests of aggregates according to the valid Czech Standards ČSN. Practical testing of selected standard methods for consistency determination according to valid Standard ČSN ISO on particularly defined and prepared concrete mixes. Effect of water quantity in concrete under constant dose of cement on workability of concrete and on strength of concrete after 7 days of standard hardening. Practical verification of selected technological variables influence on concrete mixing, and on the workability of fresh concrete, Rb/7d, volume mass/7d and shrinkage of concrete in time dependence during standard storing.
Determination of fresh concrete physical properties after 28 days of standard hardening.
Determination of aggregates grain size composition and of plasticizing additives on rheological properties of fresh concrete and on the strength of hardened concrete under selected constant variables.
Determination of minimum porosity.

Language of instruction

Czech

Number of ECTS credits

2

Department

Institute of Technology of Building Materials and Components (THD)

Learning outcomes of the course unit

The student would manage the goal of the subject by acquiring practical experience on the properties of fresh and hardened concrete. By acquiring the testing procedures of input elements and parameters of fresh and hardened concrete. By practical verification of theoretical proposition for concrete composition.

Prerequisites

Theoretical fundamentals of concrete technology, theoretically and practically mastered methods for testing concrete components.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Course curriculum

Not applicable.

Work placements

Not applicable.

Aims

The aim of the subject is obtaining practical knowledge about fresh and hardened concrete properties. Acquire test procedures of input components and parameters of fresh and hardened concrete. Practical verification of theoretical design for concrete composition.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Bodnárová L., Bydžovský J: Návody do cvičení. ÚTHD, FAST, 2002.

Recommended reading

Popovics, S.: Concrete Materials - Properties, Specifications. William Andrew Publishing/Noyes, ISBN: 0-8155-1308-9, 1992.
A.M. Neville: Properties of Concrete. LONDON, ISBN: 0582279380, 1996.

Type of course unit

 

Exercise

26 hours, compulsory

Teacher / Lecturer

Syllabus

1.Introduction into the tutorial. ♦ 2.Basic technological tests of aggregates. ♦ 3.Calculation of aggregates mixing relations, blending of fractions. ♦ 4.Proposal for concrete composition using natural aggregates. ♦ 5.Testing of 4 standard methods of consistency determination. ♦ 6.Practical assignment of concrete mix composition for the given class, consistency, type of cement and aggregates. ♦ 7.Study trip in a transport-concrete plant. ♦ 8.Checking of water quantity influence in concrete under constant dose of cement on concrete workability and on concrete strength after 7 days of standard hardening. ♦ 9.Checking of plasticizing additives influence on properties of fresh and hardened concrete ♦ 10.Quality control of concrete utilizing mathematical statistics. ♦ 11.Determination of the relation influence between fine and coarse aggregates on the consistency of fresh concrete and on the strength of hardened concrete. ♦ 12.Analysis of fresh concrete.