611 results

Seismic Analysis of Semi-rigid Frames Using Skeleton-inspired Beam-column Connectors

Cai Zi; Sun Menghan; Zhang Chunhui et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This study proposes a novel flange widened bone shaped semi rigid frame joint. Taking a 4 story frame as an example, the finite element software Abaqus is used to analyse its seismic performance under different seismic waves, and the results are compared with those of a traditional rigidly…

Mechanical Behaviour and Evolution of Rock Loosening Zone in in-situ Reconstruction and Expansion Construction of Highway Tunnels

Su Weisheng; Lin Zhi; Yang Hongyun et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This study systematically investigated the construction mechanical behaviour and surrounding rock loose zone evolution patterns during the in-situ reconstruction and expansion of highway tunnels, utilizing the GDEM discrete element program integrated with field monitoring data to analyse the…

Errata to the Paper on “Flexural behaviour of self-compacted concrete perforated laced reinforced beams under monotonic loads”

Ahmed Mohammed Amer; Mohammed Alyaa Hussein; Yassin Layla Ali Ghalib et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

A Coupled Framework of Reservoir Operation and SAC-SMA Hydrological Model for River Basin Simulation

Ngo Thi Thuy; Luong Tuan Trung; Luong Huu Dung et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This paper aims to design and integrate a reservoir operation module into the SAC-SMA hydrological model to simulate flood flows in the Ban Chat reservoir region in Vietnam. The SAC-SMA model is automatically calibrated using a series of stages, including sensitivity analysis by the Sobol method…

Evaluation of Soil Stabilization Using Cement and TS Mika® VN Additive for Road Construction Applications

Nguyen Van Du; Le Van Phuc; Phan Thanh Nhan

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This study investigates the engineering properties of soil stabilizers containing cement and the TS Mika® VN (TS) additive for road pavement applications in Dak Nong Province, Vietnam. The effects of using 8%, 10%, and 12% ordinary Portland cement combined with 3.75 liters of the TS additive per…

Shear Rehabilitation of Damaged RC Beams Using Embedded Through-Section CFRP Bars Technique

Hadi Rafal A.; Daud Raid A.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Reinforced concrete (RC) beams often suffer from reduced shear capacity due to overloading or environmental deterioration, posing a significant challenge for maintaining structural safety and serviceability. Various strengthening techniques have been proposed in practice, including externally…

Develop an Approach for Mapping an Accurate and Appropriate Flood Susceptibility for Quang Binh Province, Vietnam, Using Machine Learning Algorithms and Remote Sensing

Tran Dang Hung; Tran Van Tinh; Nguyen Thanh Bang et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Flooding is one of the natural catastrophes that causes significant damage to Vietnam year over year, particularly in low-lying areas along rivers and coastal regions. This study aimed to develop an approach for mapping an accurate and appropriate flood susceptibility for Vietnam’s condition…

Update of Corrosion Maps in Slovakia and Prediction of Reinforced Concrete Beam Service Life Using Dose-response Functions (2017–2024)

Zahuranec Michal; Koteš Peter; Vavruš Martin et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Reinforcement corrosion is an increasingly serious issue worldwide. The structures gradually lose their load-bearing capacity, reliability and service life of the buildings decrease. Humankind should monitor and solve the problem of corrosion. From this reason, the research is focused on effect of…

Flexural Behaviour of Self-Compacted Concrete Perforated Laced Reinforced Beams under Monotonic Loads

Ahmed Mohammed Amer; Mohammed Alyaa Hussein; Yassin Layla Ali Ghalib et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Studying the flexural behaviour of self-compacted perforated beams reinforced by laced rebar instead of stirrups is the aim of this work. The research work focused on the effect of replacing stirrups in perforated beams with lacing reinforcement at 45° angles. The void ratio of the beams studied…

Sustainable Subgrade Soil Stabilization Using Sugarcane Bagasse Ash: A Comprehensive Review on Geotechnical, Microstructural, and Environmental Performance

Yayek Pha; Kojing Hibu; Sorum Neero Gumsar

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

The accelerated growth of industrial and agricultural sectors has led to an exponential rise in the world production of wastes, among which sugarcane bagasse ash (SCBA) comes as a threat for disposal and a potential source for sustainable resources. Based on the general principles of the Preferred…

Current State and Challenges of Road Bridges in Italy, Portugal, and Slovakia

Matos José C.; Nicoletti Vanni; Kraľovanec Jakub et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

In Europe, many countries are struggling with the condition of their infrastructure, particularly bridges. A significant number of bridges were constructed during the post-war era, and as a result, many are approaching the end of their service life. Another critical factor contributing to this…

Land Use and Land Cover and Their Impacts on Land Surface Temperature in the Little Zab River Basin: A Predictive Study

Ayoob Nadheer; Mohammed Ruqayah

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

During the past century, the Little Zab River Basin (LZRB) experienced obvious Land Use and Land Cover Alterations (LULCA) due to human-induced and natural causes. LULC has a great impact on the basin's hydrological characteristics, including evapotranspiration, surface runoff, and Land Surface…

Predicting Local Velocity Gradients in a Rushton Turbine Stirred Tank: Turbulence Closure Strategies and Implications for Flocculation Design

Strogonov Vadim; Tetiva Martin; Portnov Maksim et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This study compares the predictive capability of four turbulence modelling approaches for local velocity gradients in a Rushton turbine stirred tank representative of coagulation and flocculation applications. Three finite-volume RANS closures – standard k–ɛ, k–ω SST, and the Reynolds Stress Model…

Experimental and Numerical Investigation of Flexural Behaviour in Steel Fiber-Reinforced Concrete Notched Beam

Setiamanah Danny Triputra; Suprobo Priyo; Piscesa Bambang et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This study investigates the influence of hooked-end steel fibres on the compressive and flexural behaviour of steel fibre-reinforced concrete (SFRC) using combined experimental testing and three-dimensional nonlinear finite element analysis (3D-NLFEA). Concrete mixes with fibre volume fractions…

Effects of Geogrid Reinforcement and Tire Contact Pressure on Responses of Flexible Pavement over Weak Subgrade

Salman Nawal D.; Joni Hasan H.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Flexible pavements constructed over weak subgrades with a California Bearing Ratio (CBR) range of 2–4 % are subjected to premature failure owing to excessive stress and deformation. Their performance is significantly influenced by the actual contact tire pressure. These problems can be addressed…

Integrated Multi-Criteria Optimization of Road Traffic Noise

Trojanová Mária; Beňová Monika

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Road traffic noise is one of the most persistent environmental pollutants, with profound effects on human health, ecosystem stability, and landscape quality. This study presents an integrated, interdisciplinary framework for the multi-criteria optimization of road traffic noise mitigation along the…

Effect of Utilizing Eggshell Powder and Fine Recycled Aggregate on the Mechanical Properties of Sustainability Concrete

Wadie Revan Nahith; Mohamad Halla Jasem; Ismail Arshad Younis

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This research presents an analysis of the performance of concrete treated with recycled fine aggregates versus eggshell powder. Twelve concrete mixes were created for strength testing using fine recycled material to replace aggregate at levels of 0%, 10%, 20%, and 30%. For each aggregate level…

Recycling Construction and Demolition Waste into Coarse Aggregates: A State-of-the-Art Review

Tokala Srinivasarao; Lingeshwaran N.; Ponni M. et al.

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

Natural aggregate depletion and subsequent increase in construction and demolition waste C&D have enhanced the pressure on the construction industry to find solutions using more sustainable materials in concrete manufacturing. Recycled coarse aggregate RCA that has been derived using C&D wastes is…

Mechanistic Insights into the Long-term Sulphate–chloride Co-exposure Resistance of Self-compacting Engineered Cementitious Composites

Shaker Amouri Mohammed; Mahdi Fawzi Nada

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

This study elaborate on the collective impact of simultaneous sulphate–chloride ingress, cyclic wetting–drying and crystallization-induced microcracking, in the long-term degradation of concrete infrastructures in marine-like exposure conditions. This paper offers a comprehensive mechanistic…

Assessment of Environmental Levels of Pollution in Soil Contaminated with Crude Oil Using Soil Contamination Indexes Models

Ahmed Salih Khalid; Kallel Amjad

Civil and Environmental Engineering, Vol. 22 No. 3 · 2026 · English · DOAJ Scopus

The Ajeel oil field in central Iraq was selected to conduct a study on soil contaminated with crude oil. The site was divided into two areas: Area 1 and area 2. Four samples were studied for each region, and concentrations of 11 toxic elements were studied. The results showed that cadmium Cd+2 and…