A critical review on optimization of cold-formed steel members for better structural and thermal performances

H Liang, K Roy, Z Fang, JBP Lim - Buildings, 2022 - mdpi.com
The construction and building sectors are currently responsible globally for a significant
share of the total energy consumption and energy-related carbon dioxide emissions. The …

A novel machine learning model to predict the moment capacity of cold-formed steel channel beams with edge-stiffened and un-stiffened web holes

Y Dai, K Roy, Z Fang, B Chen, GM Raftery… - Journal of Building …, 2022 - Elsevier
A novel machine learning model, eXtreme Gradient Boosting (XGBoost), was used for the
purpose of evaluating the moment capacity of cold-formed steel (CFS) channel beams with …

Web crippling behaviour of cold-formed carbon steel, stainless steel, and aluminium lipped channel sections with web openings

H Weerasinghe, C Konthesingha, A Nanayakkara… - Buildings, 2022 - mdpi.com
This paper reviews the research advancements and design practices related to the structural
web crippling response of lipped Cold-Formed (CF) carbon steel, stainless steel, and …

A comparative study on the life cycle assessment of New Zealand residential buildings

AA Dani, K Roy, R Masood, Z Fang, JBP Lim - Buildings, 2022 - mdpi.com
In New Zealand, housing is typically low density, with light timber framing being the
dominant form of construction with more than 90% of the market. From 2020, as a result of …

Effect of web perforations on end-two-flange web crippling behaviour of roll-formed aluminium alloy unlipped channels through experimental test, numerical …

Z Fang, K Roy, Y Dai, JBP Lim - Thin-Walled Structures, 2022 - Elsevier
Aluminium alloy has recently become popular in New Zealand's construction sector as a
sustainable building material. However, in roll-formed aluminium alloy (RFA) channel …

A novel machine learning method to investigate the web crippling behaviour of perforated roll-formed aluminium alloy unlipped channels under interior-two flange …

Z Fang, K Roy, J Xu, Y Dai, B Paul, JBP Lim - Journal of Building …, 2022 - Elsevier
This study presents a novel machine-learning model using the eXtreme Gradient Boosting
(XGBoost) tool, for assessing the web crippling behaviour of perforated roll-formed …

Structural behaviour of back-to-back cold-formed steel channel sections with web openings under axial compression at elevated temperatures

Z Fang, K Roy, D Lakshmanan, P Pranomrum… - Journal of Building …, 2022 - Elsevier
This paper investigates the structural behaviour of cold-formed steel (CFS) back-to-back
(BTB) channel sections subjected to axial compression at elevated temperatures. The stress …

An investigation on stiffened cold-formed steel unequal angle box section columns

GBG Ananthi, K Roy, K Ghosh, K Poologanathan… - Journal of Building …, 2023 - Elsevier
Built-up box sections are gaining popularity as column members in cold-formed steel (CFS)
construction. Applications include CFS trusses, space frames, and portal frames. Two …

Structural behaviour of cold-formed steel T-Stub connections with HRC and screws subjected to tension force

K Roy, H Rezaeian, D Lakshmanan, Z Fang… - Engineering …, 2023 - Elsevier
Cold-formed steel (CFS) T-Stub connections are widely used in single-story buildings, and
their use is increasing in multi-story and long-span buildings. Recently, an innovative CFS T …

Assessment of end-two-flange web crippling strength of roll-formed aluminium alloy perforated channels by experimental testing, numerical simulation, and deep …

Z Fang, K Roy, JM Ingham, JBP Lim - Engineering Structures, 2022 - Elsevier
This work presents a deep-learning model referred to as a deep belief network (DBN) to
investigate the end-two-flange (ETF) web crippling behaviour of roll-formed aluminium alloy …