Research carried out within resarch programme was mainly a part of reserch coordinated on international level with substential share of EU financing. Thereforethe researh results became a part of international knowledge. The main characteristic of research is experimentally supported computational modelling of nonlinear response of demanding structural components and systems (masonry infilled frames, woodframe and woodpanel structures, composite structures made of reinforced plastics) and experimentaly supported development of materials and learning about their behaviour (self compacting concrete). The special area of research was on influence of microclimatic conditions on decay of building fabrics in heritage buildings and measures for diminishing of deterioration processes. In particular, the problems of rising damp in masonry walls were studied.The international aspects of research are illustrated by overwiew of research activities. - 1999 to 2000: Testing of properties of masonry and masonry walls. Tests were follow up of Europeen project ATEM - Advanced Testing of Masonry, that in formal way finished on 1998. The results of testing contribute to better understanding of cyclic response of walls loaded with constant vertical load. The significant result of testing are findings related to influence of vertical load intensity on the stiffnes of tested walls. - 1999 to 2003: Introduction of wall tempering system for control of microclimatic conditions in heritage buildings. On-site testing of method is in progress since 1999 in Brežice Castle. - 1999 to 2001: Research of possibilities for application of reinforced plastics for strengthening of reinforced concrete structures within project EUREKA E!1939 COMREHAB. The experimental results have been used for calibration and verification of computational models in USA and Italy. They were also included in PhD thesis at University of Colorado in Boulder. Test results were cited in several papers. - 1999 to 2001: Experimentally based development and final verification of computational model for prediction of inelastic response of masonry infilled frames. Research was partly carried out on shake table at University of Bristol, UK within 4FP project EUROQUAKE. Published resultes were cited several times. - 2000 to 2003: Experimentally based development of inelastic model for simulation of seismic response of woodframe and woodpanel structures. Model emerged from the infilled frame model. The setup for cycling testing of panels was developed. Results of testing and computational modelling were part of blind prediction of full scale two story wooden house response tested on shake table at UCLA in La Jolla, California within US CUREE-Caltech Woodframe Project. Research is ongoing in cooperation with Japanese researchers and researchers from Otto Graf Institute, University of Studgart. - 2001 to 2003: Within 5FP project SAFEFLOOR is being developed composite sandwich floor structure made of glass fibre reinforced plastic and extruded polystyrene core. The lightweight floor structure will be first introduced in construction practice in Spain and later in other European countries. - 1999 to 2003: Active contributions of researches in several COST, EUREKA and bilateral projects (Portugal, R. of Macedonia, Croatia, Greece, Czech Republic, USA)