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92  Articles
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Abstrak Beton yang mengalami kebakaran pada suhu 400°C akan mengalami degradasi kekuatan hingga kuat tekan sisa 58,40% Hal ini akan mempengaruhi kualitas/kekuatan struktur beton tersebut dan akan menyebabkan beton menjadi getas, dan memungkinkan stru... see more

There are many ways to solve thermal on buildings, such as the installation of horizontal and vertical sun-shading devices on four-direction facades. However, rooftops are often ignored. In low-rise to high-rise buildings’ rooftop, there are leftover plac... see more

The study of silica from pumice was done by extraction method using NaOH, H2SO4, and HCl. Powder of pumice before extraction was calcined at 450oC for 4 hours. The extraction powder was calcined at 800 °C for 3 hours. The powder before and after the extra... see more

This study was conducted to investigate the potential use of diatomite (a natural pozzolana) and pumice in plasters and mortars to be used in agricultural buildings. Compacted and loose unit weights, specific weight, water absorption, organic matter conte... see more

Pumice is known as a low-cost material with a porous structure, has the potential as an adsorbent to remove various kinds of pollutant compounds. The abundance of pumice is found in Sungai Pasak area and it never been utilized. This study was performed to... see more

Stone Mastic Asphalt (SMA) mixtures are susceptible to drain down since they contain more bitumen comparing to Hot Mix Asphalt (HMA) mixtures. To prevent this problem, stabilizers are used in SMA mixtures. Stabilizers are costly materials and needed to be... see more

The use of iron-coated pumice (ICP) in heterogeneous catalytic ozonation significantly enhanced the removal efficiency of natural organic matters (NOMs) in water, due to the synergistic effect of hybrid processes when compared to sole ozonation and adsorp... see more

Abstrak Beton ringan merupakan pilihan yang baik bagi daerah rawan gempa. Batu apung dan pasir batu apung dapat digunakan sebagai agregat beton ringan. Penggunaan agregat ini dapat mereduksi berat beton namun juga mengakibatkan penurunan kuat tekan d... see more

 

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