Ahmed Elyamany

British University in Egypt · Civil Engineering

Modular construction (MC) is recognized as an environmentally friendly and sustainable building method, and it is mandatory for assessing project sustainability. In developed countries, MC is acknowledged as a crucial approach for sustainable development, leading to increased adoption in these nations. However, implementing and incorporating MC in...

This research introduces Automated Cost-Duration Variance Prediction (CDVP) system to empower project managers to proactively predict project budget, duration, cost variance and duration variance. The research involved the development and comparison of a total of 48 machine learning (ML) algorithms, with 12 algorithms dedicated to each predictive m...

This study introduces a pioneering structural equation modeling (SEM)-based framework to assess BIM-DT adoption readiness in sustainable construction. The research’s approach delves into the intricate correlation between key success factors (KSFs) and sustainable parameters (SPs), fostering BIM-DT deployment. This interdisciplinary perspective prov...

Field Canals Improvement Projects (FCIPs) are a promising project category to preserve irrigation water resources. There are multiple approaches available to estimate a project’s initial cost. However, one of the difficulties in developing a reliable cost estimation model is determining the cost parameters. The study aims to explore and analyse the...

When selecting the appropriate bridge deck construction system, it is essential to consider many criteria such as the span length, geographical location, construction speed, cost, site conditions, resource availability, technology, ease of construction, and service life. The objective of this study is to optimize the decision-making process for sel...

Purpose This study aims to identify the most significant barriers and the stationary barrier to modular construction (MC) implementation and promote MC widespread use. By doing so, the construction industry can leverage the benefits of MC, such as faster construction times, improved quality control, reduced waste and increased sustainability. Desi...

Purpose The adoption of value management (VM) has been on the rise in the construction industry, especially in the past decade. Identifying the main barriers to VM application for ameliorating poor project outcomes in the construction industry is a critical step to overcoming its implementation. Therefore, this study aims to examine the barriers to...

The construction sector is one of the largest sectors globally, and it significantly affects countries' economies. Modular construction (MC) is a building process in which modules are fabricated in a factory and then installed on-site. MC is becoming an integral aspect of the construction sector in developed countries due to its notable benefits in...

From Ethiopia’s wet equatorial lakes region and highlands to the arid regions of Northern Africa, the Nile River has long been a historical source of reliance for survival and livelihood. For millennia, The Nile River supported a wide range of rich ecosystems and thriving cultures. This reality is currently enduring an inevitable change. Since half...

Modular construction (MC) is regarded as a greener and more sustainable building method and is required for assessing the sustainability of a project. The study aims to establish a model for modular construction (MC) adoption in developing nations by examining the link between critical success factors (CSFs) and overall sustainable success (OSS) fo...

Modular construction (MC) is considered a greener and more sustainable construction and is obligatory for measuring the project’s sustainability. MC is a building process in which modules are fabricated in a factory and then installed onsite. Although MC is popular in developed countries, its uses are still very limited in developing countries. Thi...

Excessive irrigating water that has not been adequately drained may cause more water to enter the crop root zone than is necessary. As a result, issues with increasing water table levels, waterlogging, and salinity get worse and cause crop productivity losses. Agricultural drainage water management strategies (ADWMS) can be used to protect the qual...

Agricultural drainage is essential to the success of irrigated agriculture because it prevents ponding, waterlogging, and salt. This Paper presents a systematic method for identifying, assessing, and mitigating the risks associated with poor agricultural drainage (PAD). Using Monte Carlo simulation within a risk management process, the cumulative i...

Planning comes first and is considered the most important stage in managing construction projects. This research aims to develop a Preconstruction Plan Index (PPI) as a subjective tool to assess the efficiency of the project plan prior to construction. The Delphi Technique was used to identify the most important factors based on the preferences of...

The list of challenges associated with the operation of the Grand Ethiopian Resistance Dam (GERD) now includes global concern over climate change. Due to their inability to reach a legally enforceable agreement on how to address watershed degradation and water quality, riparian nations are already experiencing peace and security issues. A win–win s...

Blockchain technology is a decentralized technology that facilitates sharing information and making transcriptions. Blockchain technology provides a huge security system and layers of encryption to secure the entered data. This research discusses the feasibility of adopting blockchain technology in the construction field in Egypt and the challenges...

Water scarcity and climate change are posing new challenges to irrigation management. Climate change increases water demand and decreases crop yields. The aim of this paper is to propose a framework to select the most efficient irrigation strategy to mitigate the impacts of climate change and achieve food security. Value engineering (VE) methodolog...

Abnormal changes in temperature, precipitation, atmospheric carbon dioxide, or solar radiation are examples of climate change that may affect irrigation water demand. Studies show an increasing trend in the earth’s surface temperature, with decreasing trends in rainfall. With most studies focused on predicting the extent of climate change, fewer st...

The Evaluation of construction baseline schedules aims to provide a high-quality project schedule. However, obtaining a project schedule free from technical defects remains a challenge to construction planners and schedulers.The result of having a high-quality schedule is achieving the desired project completion dates and avoid any disputes between...

Construction projects suffer from diverse uncertainties that hinder the key objectives' achievement. These uncertainties represent risks that may appear through the project life cycle. This paper introduces a quantitative model to estimate and rank risks dynamically during the risk planning phase. Such ranking would help decision-makers appropriate...

Planning is one of the most important stagesin managing construction projects. Most researches focus on developing and improving scheduled techniques. Yet, surveying the literature reveal insufficiency in the area of project planning assessment researches. This research aims at bridging this gap and introduce a model to assess Project Baseline Plan...

BIM is defined as the process of design, construction and use of the building or facility infrastructure using information about virtual objects [1]. Previous studies concluded that BIM implementation resulted in increasing the design cost by 6.5%,11% and 17% for Schematic Design phase, Design Development phase, and Construction Documentation phase...

This file introduce the topic of construction take-off with solved examples

The effective knowledge management (KM) at construction company level is rapidly becoming a key organizational capability that adds a sustainable competitive advantage. Managing intellectual asset is considered a challenge facing construction firms in today’s business environment. However, these challenges can be overcome by applying best KM practi...

Conceptual cost estimation is prepared to assess the feasibility of a project or establish the project’s initial budget at the early stages of the project. The main objective of the paper is automating the cost estimate at the conceptual stage with the highest accuracy. The key contribution of this paper is developing a quadratic regression model w...

Many construction projects could be considered as repetitive projects. Researchers developed many scheduling models for repetitive projects. Although these models showed enhancement in meeting deadline and resources limitations, they ignored the effect of learning curve on the production rate of construction crews. The effect of learning in repetit...

A conceptual cost estimation is prepared to assess the feasibility of a project or establish the project’s initial budget at the early stages of the project. The main objective of the paper is automating the cost estimate at the conceptual stage with the highest accuracy. The key contribution of this paper is developing a quadratic regression model...

Field Canals Improvement Project (FCIP) aims to conserve fresh water. Several methods are existed to predict project preliminary cost. However, identification of model inputs remains a challenging task during model development. This study utilizes two procedures, Traditional Delphi Method (TDM) and Fuzzy Delphi Method (FDM), which are used for coll...

Sustainability is one of the rising concepts in construction industry. The goal of sustainability is to help people all over the world to satisfy their needs without compromising the future generations' needs. Sustainability is a wide concept, which requires environmental, economic, social and technological criteria to be met. This paper aims to as...

Egypt depends on the Nile River to secure 95% of the water needed for different purposes as drinking, household uses, agriculture, fishing source, water transportation, tourism, electricity generation from the High Dam and industry. Although, the Grand Ethiopian Renaissance Dam (GERD) is essential to Ethiopia’s development, many research pointed ou...

Intense competition among construction companies urges for continuous improvement and evaluation of performance. Many researches recognized the importance of financial performance (FP) and attempted to develop a reliable model to evaluate the company FP. The main objective of this research is developing an accurate model to evaluate the financial p...

Shortage of irrigation water is a challenge frequently occurs at Canal Tail-end (CT). This paper uses Value Engineering (VE) methodology to find solutions of this problem. VE methodology includes collecting information about the water shortage at CT, analyze functions of canals, develop creative ideas, assess creative ideas based on evaluation crit...

Conceptual cost estimates have substantial consequences on success of infrastructure projects at early stages. This paper presents a parametric model for conceptual cost estimate of highway projects. A database of 75 highway projects was collected and complied for model development. In-depth interviews with experts were conducted to select the conv...

The globe is facing an increase in water demand associated with an increase in the world population especially in developing countries. The increasing population urges an additional agricultural land and irrigation water. Traditional system of irrigation water supplier is open canals which allow a high percentage of water dissipation and evaporatio...

This paper reports the findings of research intended to document the current status of adoption and use of building information modelling (BIM) in the Egyptian construction industry. This study utilised an online survey which was sent to 120 contracting firms and 10 consultancy offices in Egypt. The response rate was 17.2% of the total firms includ...

Best-Value contracting is a mechanism that many agencies used to effectively implement projects with multiple objectives. It allows the government to acquire goods and services from the businesses that offer the Best-Value to the government, not simply the low-bid. The Low-bid contracting is false economy as the initial savings from price-based com...

Most construction agencies have a quality management system to control and manage the quality of their final product. Once the project is over, the tests results are usually kept in archives with no use. Project bidding is a time when the quality information could be very helpful to identify qualified contractor. The proposed model is an effort to...

Most construction agencies have a quality management system in order to control and manage the quality of their final product. Once the project is over, the testing results are kept in archives in which they are rarely re-visited or utilized. Quality testing results carry much information about the contractor performance that could be useful during...

The best-value (BV) procurement process uses other key factors as well as bid price in the evaluation and selection of the best-performing contractor for the job. Contract time, lane rental, warranty, and quality of delivered product are examples of the key factors that indicate the contractor-expected performance. Literature on best value shows a...

It has long been a source of frustration to those involved with competitive-bid pavement projects that owners often treat low-quality construction work no differently than high-quality construction work. To overcome this challenge, Best Value (BV) was adopted in 1997 to allow additional criteria for the contractor selection process. Although BV suc...

The hest-value procurement strategy is gaining the interest of federal and state agencies. The strategy increases the value added to a project for each dollar added. A new concept of best value, that is, a rational and flexible model based on expected performance, is presented. The model's flexibility is obvious in the selection of parameters to be...

Best-value becomes a well known procurement practice in many states in the country. The objective of this transformation from the old practice of lowest bid to best-value is to increase the value added to the project for each dollar added. This paper discusses a new concept of best-value modeling that is unique and tailored to each project. The mod...

The dynamic nature of today's construction industry compels construction partners to seek strategies in order to improve performance. Current research introduces a performance evaluation model for construction companies in order to provide a proper tool for a company's managers, owners, shareholders, and funding agencies to evaluate the performance...

The dynamic nature of today’s construction industry compels construction partners to seek strategies to improve performance. This study introduces an updating performance evaluation model for that one previously developed by Goda (1999). Updating the model has been made for; 1) increase the number of studied years to nine years (1992-2000), 2) test...