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All Journal UNM Geographic Journal Civil Engineering Journal JURNAL HUTAN TROPIS JILMATEKS Jurnal Ilmiah Mahasiswa Teknik Sipil
Muhammad Alam, Muhammad
Universitas Halu Oleo
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Transportation

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Journal : Civil Engineering Journal

 1 
Effective Utilization of Municipal Solid Waste as Substitute for Natural Resources in Cement Industry Rehman, Abdur; Khan, Kashif Ali; Hamid, Tayyaba; Nasir, Hassan; Ahmad, Izhar; Alam, Muhammad
Civil Engineering Journal Vol 6, No 2 (2020): February
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/cej-2020-03091467

Abstract

The aim of this study was to evaluate the municipal solid waste (MSW) composition of Peshawar city and its affective utilization for energy purpose in the cement industry. A total 14 days consecutive testing of MSW samples was conducted for winter and summer periods for the purpose of evaluation of the waste composition followed by calculating its heating values. Compliance level of MSW at source was determined which was based upon the questionnaire distribution followed by the financial analysis and feasibility evaluation of the project. The results revealed that the average waste composition of the samples consists of organic waste contents (20.72%), combustible items (37.86%), readily saleable items (20.95%) and other miscellaneous waste items (20.46%). Moreover, the samples were then tested for the evaluation of calorific value and it was found that the heating value of MSW is recorded up to 35513 KJ/Kg whereas; the value for coal is around 38000 KJ/Kg. These findings revealed that the replacement of coal by MSW may be more efficient and might be effectively utilized in the production of cement as the energy production of MSW and coal is nearly same. In addition, the utilization of MSW as a replacement of coal has a great potential of enhancing the service life of the landfills. Besides, NPV analysis of this study revealed that the project is worthwhile to be implemented as it shows high returns regarding financial aspects.
Prediction of Rutting in Flexible Pavements using Finite Element Method Asim, Muhammad; Ahmad, Mahmood; Alam, Muhammad; Ullah, Shahid; Iqbal, Muhammad Junaid; Ali, Shahid
Civil Engineering Journal Vol 7, No 8 (2021): August
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/cej-2021-03091727

Abstract

In this research study three dimensional (3D) finite element analysis are performed on a flexible pavement section for different material properties, temperature and loading conditions. The main objective of this study is to predict the rut depth under different conditions of temperature, loadings and material properties. Three dimensional finite element model of flexible pavement is developed using ABAQUS to predict rut depth. The pavement system is assumed to be an elastic multi-layers system with each layer being isotropic, homogeneous with specified Resilient Modulus (Mr) and Poisson ratio (µ). With the exception of the bottom subgrade layer, each layer is extending to an unlimited horizontal extent and has a finite thickness. The pavement system analyze in this study for a cyclic load of 10000 cycles taken as 0.01sec per cycle. Standard Axle Load (ESAL) of 18 kips (80 kN) loading on an axle with a dual set of tires, the wheel spacing is 13.78 in (350 mm) with a tire contact pressure of 100 psi (0.69 MPa) is used. After performing a series of analysis the results showed that rut depth increases with increase in temperature and loading and decreases by using base stabilizer. Doi: 10.28991/cej-2021-03091727 Full Text: PDF
Co-Authors AA Sudharmawan, AA Ahmad, Izhar Ahmad, Mahmood Ali, Shahid Asim, Muhammad Azis, Andi Adillah Firstania Firmansyah Firmansyah Hamid, Tayyaba Iqbal, Muhammad Junaid Kadli, Muhammad Ansal Khan, Kashif Ali La Ode Amaluddin, La Ode La Ode Nursalam, La Ode Mallombasi, Ali Musa, Ratna Nasir, Hassan Rehman, Abdur SAR, Mas'ud Taufiqurrozif, Hafiz Ullah, Shahid