Non-linear time-cost trade-off models of activity crashing: Application to construction scheduling and project compression with fast-tracking

P Ballesteros-Pérez, KM Elamrousy… - Automation in …, 2019 - Elsevier
When shortening a project's duration, activity crashing, fast-tracking and substitution are the
three most commonly employed compression techniques. Crashing generally involves …

Prediction of cost and duration of building construction using artificial neural network

JA Ujong, EM Mbadike, GU Alaneme - Asian Journal of Civil Engineering, 2022 - Springer
In this research study, the investigation of building details on the construction project cost
and duration using artificial neural networks (ANNs) which possesses the ability to …

Incorporating the effect of weather in construction scheduling and management with sine wave curves: application in the United Kingdom

P Ballesteros-Pérez, ST Smith… - Construction …, 2018 - Taylor & Francis
The impact of (adverse) weather is a common cause of delays, legal claims and economic
losses in construction projects. Research has recently been carried out aimed at …

Earned Schedule min-max: Two new EVM metrics for monitoring and controlling projects

P Ballesteros-Pérez, E Sanz-Ablanedo… - Automation in …, 2019 - Elsevier
Abstract Earned Value Management (EVM) is a well-known project management technique
for monitoring project progress. Over the last 15 years, many promising EVM metrics have …

Continuous earned value management with singularity functions for comprehensive project performance tracking and forecasting

KA Ngo, G Lucko, P Ballesteros-Pérez - Automation in Construction, 2022 - Elsevier
Earned value management (EVM) is a classical project monitoring technique that is widely
used in construction projects. Due to its simplicity, this technique suffers from limitations due …

Weather-wise: A weather-aware planning tool for improving construction productivity and dealing with claims

P Ballesteros-Pérez, YA Rojas-Céspedes… - Automation in …, 2017 - Elsevier
The influence of unforeseen, extreme weather in construction works usually impacts
productivity, causes significant project delays and constitutes a frequent source of …

Duration and cost variability of construction activities: An empirical study

P Ballesteros-Pérez, E Sanz-Ablanedo… - Journal of …, 2020 - ascelibrary.org
The unique nature of construction projects can mean that construction activities often suffer
from duration and cost variability. Because this variability is unplanned, it can present a …

Modelling the boundaries of project fast-tracking

P Ballesteros-Pérez - Automation in Construction, 2017 - Elsevier
Fast-tracking a project involves carrying out sequential activities in parallel, partially
overriding their original order of precedence, to reduce the overall project duration. The …

Critical Duration Index: Anticipating Project Delays from Deterministic Schedule Information

MC González-Cruz, P Ballesteros-Pérez… - Journal of …, 2022 - ascelibrary.org
Classical scheduling techniques are well-known to underestimate the average project
duration, yet they remain widely used in practice due to their simplicity. In this paper, the new …

Performance comparison of activity sensitivity metrics in schedule risk analysis

P Ballesteros-Pérez, A Cerezo-Narvaez… - Automation in …, 2019 - Elsevier
Abstract In Schedule Risk Analysis (SRA), activity sensitivity metrics measure the importance
of activities in a project schedule. Highly sensitive activities are those more likely to increase …