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Construction Engineering and Management Commons™
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- Palm oil mill effluent; sludge stabilization; solidification; heavy metal leaching; pulverized fly ash (1)
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Articles 1 - 22 of 22
Full-Text Articles in Construction Engineering and Management
Building Deconstruction Guidelines: Tools For Recovering Building Materials, Ali Ayedh Merzen
Building Deconstruction Guidelines: Tools For Recovering Building Materials, Ali Ayedh Merzen
Masters Theses
The traditional method of tearing down building when its life cycle is completed is known as demolition, which means destroying most of the structures and burying it in the landfills. This is the most common practice in most countries, but in recent years there is a new movement toward using the components of these buildings. Burying usable or recyclable materials in landfills means more pollution and increasing the need for more landfills. The concept of reusing or recycling building materials is known as Deconstruction. This practice is relatively new in the construction industry and requires more research and studies to …
Adaptation Of Project Finance To Small Contractor Financing, Ragunathan Venkateswaran
Adaptation Of Project Finance To Small Contractor Financing, Ragunathan Venkateswaran
Masters Theses
One key reason for the poor performance of small construction establishments in securing a higher chunk of the annual project volume is funding. While construction industry does not require a large capital investment it does require a large working capital to start up the project and generate bills so that the resulting cash flow may take over the remaining funding requirements. Unfortunately for small contractors there are very limited options available from the banks or other lending institutions to cover this large working capital requirement in the absence of sufficient collateral. The "Project Finance" method, which has been used in …
Management Commitment To Construction Safety, Areen M. Shaar
Management Commitment To Construction Safety, Areen M. Shaar
Masters Theses
The objective of all businesses including construction is to make money and to be profitable. The costs resulting from personal injuries and equipment damage, combined with the associated financial impact resulting from schedule disruptions, insurance hikes, and workers compensation can definitely impact the profitability of any construction operation. Most times those costs can be minimized or avoided by giving safety more attention on construction job sites.
The main purpose of this research is to determine the correlation between management commitment to safety and its impacts on the frequency of injuries and illnesses. To achieve this, a survey was methodically developed …
An Imaging System For Concrete Bridge Inspection, Mohammed Talal Al-Bataineh
An Imaging System For Concrete Bridge Inspection, Mohammed Talal Al-Bataineh
Masters Theses
Bridges are the most important element in the road network because of, the strategic position a bridge occupies, its direct impact on safety, and its high cost. Therefore, a continuous maintenance and inspection should be performed. During the past years visual inspection has been the primary method of bridge inspection.
Pontis is a comprehensive bridge management system developed as a tool to assist in the challenging task of bridge management. Pontis stores bridge inventory and inspection data and formulates network-wide preservation and improvement policies for use in evaluating the needs of each bridge in a network.
The concrete bridge inspection …
Agricultural Product Loads And Warehouse Failures, Norbert J. Delatte
Agricultural Product Loads And Warehouse Failures, Norbert J. Delatte
Civil and Environmental Engineering Faculty Publications
Two manufactured metal building warehouses loaded with agricultural products failed in service. Inspection revealed considerable damage to the structure and the foundation. The building owner filed suit against the building supplier, the building erector, and the soils testing laboratory whose engineer had designed the foundation. The agricultural product imposed substantial outward lateral pressures on the walls of the structures. Review of the available design documents indicated that these loads had not been accounted for in design. A structural analysis revealed that elements of the structure were underdesigned for the agricultural product loads. In addition, the foundation did not have any …
A Model For Optimizing The Selection Of Project Delivery Systems Using Analytic Hierarchy Process (Ahp), Arosha De Silva
A Model For Optimizing The Selection Of Project Delivery Systems Using Analytic Hierarchy Process (Ahp), Arosha De Silva
Masters Theses
The project delivery systems applicable to the construction industry in the U.S. consist of different approaches. This study focuses on three main approaches, (1) Design-Bid-Build (DBB), (2) Design-Build (DB), and (3) Construction Management (CM). Since each construction project is unique, selecting the right project delivery system is a tough decision.
This study develops a decision making system, based on the Analytic Hierarchy Process (AHP), for selecting the best delivery system for a given construction project. AHP is a decision making mathematical model developed by Thomas L. Saaty and consists of a hierarchical structure. It analyzes several alternatives for a given …
Estimating Engineering Cost Risk Using Logistic And Multiple Regression, Vincent P. Sipple
Estimating Engineering Cost Risk Using Logistic And Multiple Regression, Vincent P. Sipple
Theses and Dissertations
This study explores a two-step procedure for assessing defense acquisition program cost growth using historical data. Specifically, we seek to predict whether a program will experience cost growth and, if applicable, how much costs will increase. We compile programmatic data from the Selected Acquisition Reports (SARs) between 1990 and 2000 for programs from all defense departments. We focus our analysis on cost growth in research and development dollars for the Engineering Manufacturing Development phase of acquisition. We further limit our study to only one of the seven SAR categories of cost growth engineering cost growth. We explore the use of …
Small Construction Firms, Samih Wahid Adly
Small Construction Firms, Samih Wahid Adly
Archived Theses and Dissertations
No abstract provided.
Integrated Construction Project Planning, Umar Farouk Dolleh
Integrated Construction Project Planning, Umar Farouk Dolleh
Archived Theses and Dissertations
No abstract provided.
Underwater Concrete, Dina Adel Nakhla
Underwater Concrete, Dina Adel Nakhla
Archived Theses and Dissertations
Underwater structures represent a significant portion of concrete works worldwide. The utilization of various underwater concrete techniques has indeed minimized the use of costly dewatering processes. Such techniques include the use of special· equipment such as trernie concrete and preplaced aggregate technique. The incorporation of antiwashout admixtures has evolved as a method to minimize the washout of cement and fine particles. As for today, there exists relatively limited information regarding different underwater concreting techniques to facilitate feasible and adequate selection of appropriate methods. This work comprises a survey study and an experimental work to evaluate the impact of using the …
Safety Behaviour In The Construction Industry, Nick Macdonald, Victor Hrymak
Safety Behaviour In The Construction Industry, Nick Macdonald, Victor Hrymak
Reports
The influences on safety standards and employee safety behaviour was analysed on 18 large construction sites on the island of Ireland. The safety management and documentation of these sites was also analysed. The results are discussed at length together with comprehensive recommendations for the industry.
Stabilization And Solidification Of Palm Oil Mill Effluent Sludge And A Pure Model Study Using Cementitious Technique, Nor Asikir Mamat
Stabilization And Solidification Of Palm Oil Mill Effluent Sludge And A Pure Model Study Using Cementitious Technique, Nor Asikir Mamat
Student Works (2000-2009)
This research studies the effectiveness of using method of stabilization and solidification ($/$) to palm oil mill effluent (POME) sludge as a pretreatment method prior to ultimate disposal to land and to investigate the effect of varying the concentration of simulated metals (zinc, copper and iron) for pure model study (PMS). The characteristics of the solidified products including unconfined compressive strength (UCS) and toxicity characteristic leaching procedure (TCLP) from USEPA were evaluated. The influence of cement replacement material (CRM), name ly pu lverized fly ash (PFA) on the effectiveness of SIS was also investigated for POME sludge. The POME sludge …