Course detail

Concrete Technology – laboratories

FAST-BJ03Acad. year: 2009/2010

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

Mode of study

Not applicable.

Guarantor

doc. Ing. Jiří Brožovský, CSc.

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 coping of methods for testing of concrete components, proposal of methods for concrete composition

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Requirements for successful completion of the subject are specified by guarantor’s regulation updated for every academic year.

Course curriculum

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.
13.Determination of aerating additives effect on concrete properties.

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.

Type of course unit

Exercise

26 hod., optionally

Teacher / Lecturer

doc. Ing. Jiří Brožovský, CSc.

VUT

Faculties

University Institutes

Parts

Concrete Technology – laboratories

Type of course unit