TESTING THE INFLUENCE OF CONSTRUCTION QUALITY ON LOADING CAPACITY OF SEWERS RECONSTRUCTED WITH UNCONSTRAINED LININGS ACCORDING TO TROLINING TECHNOLOGY - STAGE I: LABORATORY TESTING OF LINING TEST PIECES OF TROLINING

摘要

Described here is laboratory testing conducted on lining test pieces of Trolining for sewers with an egg-shaped section. Long test pieces (total length 1 m) as well as short test pieces (of length 30 cm) were subjected to strength tests. The test pieces were made in laboratory conditions for 3 different cross sections of sewers. Apart from the test pieces made for sewers of correct geometry, test pieces were made for sewers of disturbed geometrical parameters. Modeled here were sewer deformations most frequently occurring through mechanical damage. Testing was conducted to determine working characteristics of unconstrained linings made in sewers with proper cross-section geometry and their comparison with working characteristics of linings inserted into deformed cross-sections Results of laboratory tests will be compared with results of simulations performed utilizing digital computing techniques. The contents of the paper detail the results of tests conducted in the framework of the doctoral thesis elaborated by Tomasz Abel at the Institute of Civil Engineering of Wroclaw University of Technology (Poland) under the guidance of Prof. Cezary Madryas. Engineering, Wroclaw University of Technology.