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The Potential of the Bebak Wall Protection Technique on Increasing Construction Stability and Material Bond Strength Pradipto, Eugenius; Afif, Nabila
ARSITEKTURA Vol 18, No 2 (2020): Arsitektura : Jurnal Ilmiah Arsitektur dan Lingkungan Binaan
Publisher : Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/arst.v18i2.44225

Abstract

Bebak, the local building material of East Nusa Tenggara, has long been used as the primary building material, especially as wall material. However, bebak wall construction commonly used today is not yet ideal in terms of its material protection and function. Bebak is a relatively quick damage construction due to termites, which eventually causes the enclosed space's thermal conditions less comfortable. This research is part of the quality improvement program of healthy housing in that region, which focuses on bebak wall protection by plastering the wall with concrete plaster. Two scale models were examined; a wall plastered only on one side, and a wall plastered on both sides. By using a simple construction approach, the research aims to evaluate the bebak protection technique's effects on the construction stability and the bond strength between the bebak composite wall materials. The results of visual evaluations revealed that single-sided plaster on bebak walls could maintain the construction stability and the bond strength of the composite material better than the double-sided one. Furthermore, the evaluation also reveals additional benefits of the plastered walls for the users, such as adaptability and simplicity of modular wall replication to build affordable healthy housing.
Constructional Design of Bamboo Slanted Ceiling for Lower Material Surface’s Temperature and Humidity Levels Afif, Nabila; Pradipto, Eugenius; Wulansari, Maria Ariadne Dewi; Chairiyah, Riri
RUAS Vol. 17 No. 2 (2019)
Publisher : Departemen Arsitektur Fakultas Teknik Universitas Brawijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.ruas.2019.017.02.5

Abstract

In Indonesia, a bamboo slanted ceiling is one of the most commonly used types of ceiling. It occurs for numerous reasons, including technical and cultural aspects. However, practically, it has low durability and is difficult to maintain as it is used in place which is prone to rainwater seepage and installed in the form of large woven sheet material. Therefore, in this research, three alternative models of construction for a bamboo slanted ceiling were proposed: (1) one layer of dense bamboo slats, (2) two layers of dense bamboo slats; and (3) two overlapping layers of sparsely weaved bamboo slats. Each model was developed on a real scale prototype and tested in terms of its material’s temperature and humidity level. The construction strategies used for these models were focused on the arrangement and orientation of pieces of ‘Bambu Kuning’ within the roof structure. The measurement result shows that the third model had the lowest temperature with >5°C different compared to the other models during the hottest hour of the day (from 9 AM to 3 PM). Then, in terms of the humidity measurement, data shows that the second model had the lowest humidity measurement with 1.93% different compared to the first model and 1.22% different compared to the third model. Furthermore, other potential benefits of the proposed models are also presented.