Volume 14, Issue 2 (2021) | American Journal of Engineering and Applied Sciences

Decision Making and Predicting the Cost for the Optimal Structural System of Multi-Story Buildings

Hosam Elhegazy — 2021-09-07

American Journal of Engineering and Applied Sciences, Published online: 7 September 2021; doi:10.3844/ajeassp.2021.152.161

There are numerous structural lateral systems used in multi-story buildings design such as the shear wall, frame system, framed with core, dual systems and superframes, etc. Additionally, the system o...

Effects of Architectural Irregularities on the Seismic Behavior of Buildings

Sara Mostafa Karra — 2021-04-24

American Journal of Engineering and Applied Sciences, Published online: 24 April 2021; doi:10.3844/ajeassp.2021.162.176

Cooperation between the architect and the civil engineer has nowadays become essential in any project for the client’s requests’ sake. This study was made to show this idea’s importance and bene...

The Role of Public Participation in Promoting Urban Planning

Kaveh Ostad-Ali-Askari — 2021-04-24

American Journal of Engineering and Applied Sciences, Published online: 24 April 2021; doi:10.3844/ajeassp.2021.177.184

Each city has important and essential needs, which due to the development of modern cities, these needs occur despite to urban planning science. Future generation expectation of resources should also ...

Analyze the Significance of Age and Height on the Physical and Chemical Properties of Ethiopian Giant Timber Bamboo

Yalew Dessalegn — 2021-05-07

American Journal of Engineering and Applied Sciences, Published online: 7 May 2021; doi:10.3844/ajeassp.2021.185.197

This research aims to examine the properties of culm based on the factors of age and height for structural and industrial purposes. Aged from 1-3 years old of culm and the height was divided into 3 pa...

Assessment of Dust Event By RS, GIS, MODIS and Statistical Methods Among Satellite Images

Kaveh Ostad-Ali-Askari — 2021-06-25

American Journal of Engineering and Applied Sciences, Published online: 25 June 2021; doi:10.3844/ajeassp.2021.198.213

Dust is an event that occurs in most sections of the world that leads to financial loss and harmful environmental impacts. Several factors are included in dust event incidence, some of them are natura...

Stability, Stress and Strain Analysis of Very Slender Pinned Thin-Walled Box Columns according to FEM, Euler and TSTh

Krzysztof Murawski — 2021-05-11

American Journal of Engineering and Applied Sciences, Published online: 11 May 2021; doi:10.3844/ajeassp.2021.214.257

In this study, a Finite Element Method (FEM) analysis is presented for the loss of stability in elastic states of very slender pinned without friction box-section thin-walled column axially compressed...

Climate Change-An Unprecedented Challenge for Humankind Survival; Energy Exploitation from the Atmospheric Electrical Circuit

Giovanni Pietro Gregori — 2021-11-02

American Journal of Engineering and Applied Sciences, Published online: 2 November 2021; doi:10.3844/ajeassp.2021.258.291

A more detailed summary is given in the last part (1/4th) of the Introduction. An anomalous period is in progress, characterized by a very intense release of endogenous energy from the Earth. The caus...

A Brief Review of the Latest Advances of Attapulgite as a Reinforcing Agent in Polymer Matrix Nanocomposites

Thais Ferreira da Silva — 2021-06-03

American Journal of Engineering and Applied Sciences, Published online: 3 June 2021; doi:10.3844/ajeassp.2021.292.307

The development of polymeric nanocomposites using clay minerals as a Nano filler is of great interest to researchers and industry. Many clay minerals are used to modify the properties of the polymers;...

An Investigation on the Systems of Collecting and Extracting Greywater from Surface Water and Wastewater

Saeid Eslamian — 2021-06-07

American Journal of Engineering and Applied Sciences, Published online: 7 June 2021; doi:10.3844/ajeassp.2021.308.313

Lack of water resources, on the one hand and degradation of the quality of available resources; on the other hand, raise serious concerns about water supply. Limited water resources in some areas nece...

Evaluation of Binary and Ternary Models in Powder Packing Density for Additive Manufacturing Applications

Taher M. Abu-Lebdeh — 2021-06-15

American Journal of Engineering and Applied Sciences, Published online: 15 June 2021; doi:10.3844/ajeassp.2021.314.322

Powder packing is a very important aspect of additive manufacturing (3-D printing), as it directly impacts the final physical and mechanical properties of the printed objects. Improving the packing de...

Simulation of Production of Anhydrous Bioethanol using Glycerol and 1-Butyl-3-Methylimidazolyl-Tetrafluoroborate in the Aspen Plus Simulator

José Izaquiel Santos da Silva — 2021-06-16

American Journal of Engineering and Applied Sciences, Published online: 16 June 2021; doi:10.3844/ajeassp.2021.323.336

Biofuels are present in the global scenario as an energy source derived from organic biomass, representing an economic and environmental alternative. They are a renewable source of energy with low rat...

Wearable Photovoltaic Applications as Energy Sources for Everyday Devices

Afonso da Silva Ravasco — 2021-06-25

American Journal of Engineering and Applied Sciences, Published online: 25 June 2021; doi:10.3844/ajeassp.2021.337.350

Solar technology since its first implementation for energy production has evolved in numerous directions to become part of a normal reality in future energy systems. The people’s energetic consumpti...

Time-Resolution of Climate Change Monitoring Volcanic Cycles, Stromboli, Ocean Floor Biota and Pandemics (?)

Giovanni Pietro Gregori — 2021-09-07

American Journal of Engineering and Applied Sciences, Published online: 7 September 2021; doi:10.3844/ajeassp.2021.351.363

Climate change is an ongoing, poorly understood and disquieting challenge. The primary drivers are debated. Clear evidence is however suggestive of a time variation of the planetary release of endogen...