SVIBOR - Project code: 2-11-087


Strossmayerov trg 4, HR - 10000 ZAGREB
tel.: +385 1 459 44 44, fax: +385 1 459 44 69


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Project code: 2-11-087

Optimal design of properties of special concretes

Main researcher: UKRAINCZYK, VELIMIR (51054)

Type of research: applied
Duration from: 02/01/91. to 12/31/94.

Papers on project (total): 57
Papers on project quoted in Current Contents: 4
Institution name: Građevinski fakultet, Zagreb (82)
Department/Institute: Building materials department
Address: Kačićeva 26
City: 10000 - Zagreb, Croatia
Phone: 385 (0)41 446 701
Fax: 385 (0)41 446 701

Summary: The research is directed into three types of concrete: 1. Steel and polypropilene fibers reinforced normal and lightweight (with EPS bids) concretes. Mechanical properties are studied on laboratory models, and in situ performances are followed on certain special structures erected as application of our research. The fracture mechanics models for explanation of test results are under development. 2. Laboratory and in situ methods for durability relevant parametars of reinforced concrete structures were previously developed. Now, the devices are calibrated in lab and on site conditions. The mathematical model for service life of concrete reinforced structures is under development. 3. Computer aided mix design of concrete is developed for normal weight concrete designed for specified strength, workability and durability conditions. The further development comprises implementation of influence of admixtures into the program and analyses of data bases studying the auto and crosscorrelations of data on ingredients and concrete

Keywords: special concretes,lightweight concretes,fibre reinforced concretes,durability

Research goals: Improvment of concrete properties and performances as follows: - Further development of polypropilene fibers reinforced leightweight concrete on the basis of expanded polystirene bids. Such concrete will be of lower density and higher toughness, resistant to physical influences. - Development of steel fibers reinforced concrete to formulate optimal concrete composition resistant fatigue, and high intensity cyclic loads. - Development of engineering model for reinforced concrete durability design. Methods to measure the relevant durability parameters have to be improved. The correlation between lab and in situ test results has to be defined. These investigations shall contribute to standardization of method for testing the rate of damage of concrete structures,as well as evaluate the materials and methods for their repair. - Development of mathematical model for quality control and assurance of concrete structures on the basis of the properties of concrete ingredients by means of statistical methods. The model shall enable conection with previosly developed data bases and improve the quality control.


  1. Name of institution: Inštitut za raziskavo materiala in aplikacije
    Type of institution: University/Faculty
    City: 61000 - Ljubljana, Slovenija

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Last update: 02/24/94