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ANISOTROPY OF 3D PRINTED MATERIALS IN TENSION TESTING PROTOCOL AND CHAIN OF ACTIVITIES

Published In: 6TH INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING
Author(s): KATARZYNA SLEDZIEWSKA , IZABELA HAGER , MARCIN TEKIELI

Abstract: The first attempts to use additive manufacturing civil engineering are successful. Additive printing can be used to print precast elements, building envelope elements or to print whole structure using contour crafting. The main goal of this research is to be a sort of bootstrap step, allowing us to have a grip on the whole chain of activities, protocols, and tools: creation of computer models of printed parts, 3D printing, mechanical properties testing, raw results storage and processing. The aim of the work was to determine the anisotropy of material behavior in tension for 3D printed materials and preparation the testing protocol for digitally manufactured cementitious building products. Samples for tensile strength determination were printed in FDM technology with three space fill (printing densities) and three different layer orientations.

  • Publication Date: 10-Dec-2017
  • DOI: 10.15224/978-1-63248-139-9-23
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RELATIONSHIP BETWEEN TRACE METAL POLLUTION AND GENETIC POLYMORPHISMS IN THE BIOMONITOR NERITA LINEATA FROM PENINSULAR MALAYSIA

Published In: 7TH INTERNATIONAL CONFERENCE ON ADVANCES IN APPLIED SCIENCE AND ENVIRONMENTAL ENGINEERING
Author(s): WONG LING SHING , CHENG WAN HEE

Abstract: Genetic markers have long been identified as diagnostic tools to monitor marine pollution, as marine organisms exhibit genetic polymorphisms as adaptation and response towards environmental contaminants. This study aimed to determine the relationship between the heavy metal levels and the genetic polymorphisms of N. lineata, which were collected from six different mangrove areas in Peninsular Malaysia. Inter-Simple Sequence Repeat (ISSR) markers were applied for genetic polymorphism study in the snails while heavy metal analysis was carried out by using the atomic absorption spectrophotometer (AAS) for Cd, Cu, Fe, Ni, Pb and Zn. The results showed that the clustering of genetic polymorphism was based on geographical influences while clustering of heavy metal levels was based on bioaccumulation of the metals by the snails. However, there were no relationship between clustering patterns of the genetic polymorphism and heavy metal levels of the snails. This indicated that the population g

  • Publication Date: 02-Jul-2017
  • DOI: 10.15224/978-1-63248-125-2-03
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