Banca de QUALIFICAÇÃO: JESSIKA MAYARA CLAUDINO IDALINO FRANÇA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : JESSIKA MAYARA CLAUDINO IDALINO FRANÇA
DATE: 28/11/2025
TIME: 09:00
LOCAL: meet.google.com/rkp-miuk-sxd
TITLE:

Impact of expanded vermiculite on the electrical permittivity of mortars.

KEY WORDS:

Lightweight mortars, electric permittivity, energy efficiency, void index, and vermiculite.

PAGES: 16
BIG AREA: Engenharias
AREA: Engenharia Civil
SUBÁREA: Construção Civil
SPECIALTY: Materiais e Componentes de Construção
SUMMARY:

The search for performance in buildings within the construction sector necessitates the development of systems that integrate efficiency, durability, sustainability, and technological innovation. The incorporation of lightweight and porous aggregates into cementitious mortars represents a promising strategy. Expanded vermiculite, a lightweight and highly porous silicate, is widely recognized for its thermal insulation capabilities. The objective of this experimental study is to investigate and quantify how the partial or total substitution of conventional aggregate with expanded vermiculite, and the consequent increase in the void index, affects the electrical properties of these mortars. The experimental methodology comprised the molding of test specimens prepared with a volumetric mix ratio of 1:3. In these, substitution rates of conventional aggregate with expanded vermiculite of 25%, 50%, 75%, and 100% were employed. The prepared samples were then subjected to comprehensive characterization, including analyses of their physical and electrical properties. The research enhances the understanding of the dielectric properties of lightweight mortars, aiding in the creation of efficient construction guidelines. This aligns with the current civil engineering requirements to optimize electromagnetic performance, connectivity, and sustainability.

COMMITTEE MEMBERS:
Presidente - ***.403.354-** - KLEBER CAVALCANTI CABRAL - UFERSA
Externa à Instituição - JANAINA SALUSTIO DA SILVA - UFERSA
Externa à Instituição - RÍSIA AMARAL ARAÚJO - IFRN