All Outputs (31)

Shear behavior and damage evolution of the interface between rough rock and cemented tailings backfill (2023)
Journal Article
Xiu, Z., Meng, F., Wang, F., Wang, S., Ji, Y., & Hou, Q. (in press). Shear behavior and damage evolution of the interface between rough rock and cemented tailings backfill. Theoretical and Applied Fracture Mechanics, 125, 103887. https://doi.org/10.1016/j.tafmec.2023.103887

The shear behavior of the interface between rock and cemented tailings backfill (CTB) is extremely critical to the backfill design and stability of the backfilled underground mined-out areas. The corresponding shear behavior and surface damage can be... Read More about Shear behavior and damage evolution of the interface between rough rock and cemented tailings backfill.

An analytical model for the triaxial compressive stress-strain relationships of Cemented Pasted Backfill (CPB) with different curing time (2021)
Journal Article
Xiu, Z., Wang, S., Ji, Y., Wang, F., Ren, F., & Wang, P. (2021). An analytical model for the triaxial compressive stress-strain relationships of Cemented Pasted Backfill (CPB) with different curing time. Construction and Building Materials, 313, 125554. https://doi.org/10.1016/j.conbuildmat.2021.125554

The strength of Cemented Pasted Backfill (CPB) is gradually enhanced with the increase of curing time. It is of great significance to study the stress-strain behaviors of CPB with different curing time under triaxial loading conditions. The triaxial... Read More about An analytical model for the triaxial compressive stress-strain relationships of Cemented Pasted Backfill (CPB) with different curing time.

Experimental study on the triaxial mechanical behaviors of the Cemented Paste Backfill : effect of curing time, drainage conditions and curing temperature (2021)
Journal Article
Xiu, Z., Wang, S., Ji, Y., Wang, F., & Ren, F. (2022). Experimental study on the triaxial mechanical behaviors of the Cemented Paste Backfill : effect of curing time, drainage conditions and curing temperature. Journal of Environmental Management, 301, 113828. https://doi.org/10.1016/j.jenvman.2021.113828

The application of CPB (Cemented Paste Backfill) can realize the clean, efficient, and safe mining of underground metal mines. Clear understanding on the triaxial mechanical properties of CPB is important to the CPB design and the stability analysis... Read More about Experimental study on the triaxial mechanical behaviors of the Cemented Paste Backfill : effect of curing time, drainage conditions and curing temperature.

The effects of dry and wet rock surfaces on shear behavior of the interface between rock and cemented paste backfill (2020)
Journal Article
Xiu, Z., Wang, S., Ji, Y., Wang, F., Ren, F., & Nguyen, V. (2021). The effects of dry and wet rock surfaces on shear behavior of the interface between rock and cemented paste backfill. Powder Technology, 381, 324-337. https://doi.org/10.1016/j.powtec.2020.11.053

Cemented Paste Backfill (CPB) technology has been effective in using the tailings to refill the underground cavities. The wet or dry rock surface can significantly affect the stability of the CPB-Rock interface, and the shear load-bearing capacity of... Read More about The effects of dry and wet rock surfaces on shear behavior of the interface between rock and cemented paste backfill.

Loading rate effect on the uniaxial compressive strength (UCS) behavior of cemented paste backfill (CPB) (2020)
Journal Article
Xiu, Z., Wang, S., Ji, Y., Wang, F., Ren, F., & Nguyen, V. (2021). Loading rate effect on the uniaxial compressive strength (UCS) behavior of cemented paste backfill (CPB). Construction and Building Materials, 271, 121526. https://doi.org/10.1016/j.conbuildmat.2020.121526

Underground mined-out areas and tailings are the two major harmful consequences from metal mining industry. Cemented Paste Backfill (CPB) method, refilling the tailings back to the underground mined-out areas, has been widely used worldwide. Clear un... Read More about Loading rate effect on the uniaxial compressive strength (UCS) behavior of cemented paste backfill (CPB).

Urban cooling : which façade orientation has the most impact on a microclimate? (2020)
Journal Article
Taleghani, M., Swan, W., Johansson, E., & Ji, Y. (2021). Urban cooling : which façade orientation has the most impact on a microclimate?. Sustainable Cities and Society, 64, 102547. https://doi.org/10.1016/j.scs.2020.102547

Deploying solar reflective materials on urban surfaces is known as an effective heat mitigation strategy. Several studies have shown their cooling impacts; however, most of them have focused on rooftops rather than facades. The novelty of this paper... Read More about Urban cooling : which façade orientation has the most impact on a microclimate?.

Evaluating the perception of thermal environment in naturally ventilated schools in a warm and humid climate in Nigeria (2020)
Journal Article
Munonye, C., & Ji, Y. (2021). Evaluating the perception of thermal environment in naturally ventilated schools in a warm and humid climate in Nigeria. Building Services Engineering Research and Technology, 42(1), 5-25. https://doi.org/10.1177/0143624420911148

Field study was conducted in naturally ventilated primary school buildings in a warm and humid environment in Imo State, Nigeria to determine the thermal comfort perception of young children (aged 7–12 years) and to understand the thermal conditions... Read More about Evaluating the perception of thermal environment in naturally ventilated schools in a warm and humid climate in Nigeria.

Experimental investigation on liquefaction and post-liquefaction deformation of stratified saturated sand under cyclic loading (2019)
Journal Article
Xiu, Z., Wang, S., Ji, Y., Wang, F., & Ren, F. (2020). Experimental investigation on liquefaction and post-liquefaction deformation of stratified saturated sand under cyclic loading. Bulletin of Engineering Geology and the Environment, 79, 2313-2324. https://doi.org/10.1007/s10064-019-01696-8

The soils are often distributed in a stratified structure. When an earthquake occurs, there are always risks of liquefaction for stratified soils which can cause serious consequences. The research aims to investigate the liquefaction and post-liquefa... Read More about Experimental investigation on liquefaction and post-liquefaction deformation of stratified saturated sand under cyclic loading.

Dynamic thermal simulation of advanced natural ventilation in buildings : current and future usage, UK exemplar (2019)
Journal Article
Ji, Y., Lee, A., & Fernando, T. (2020). Dynamic thermal simulation of advanced natural ventilation in buildings : current and future usage, UK exemplar. Architectural Engineering and Design Management, 16(4), 293-309. https://doi.org/10.1080/17452007.2019.1693334

This paper evaluates the use of advanced natural ventilation (ANV) strategies in a range of climatic conditions from four cities in the UK. A prototype ANV system was proposed to determine the most effective case in mitigating overheating. The case w... Read More about Dynamic thermal simulation of advanced natural ventilation in buildings : current and future usage, UK exemplar.

Assessing low energy school buildings using the new Building Bulletin 101 (2019)
Journal Article
Ji, Y., & Du, J. (2019). Assessing low energy school buildings using the new Building Bulletin 101. WEENTECH proceedings in energy, 5(2), 43-52. https://doi.org/10.32438/WPE.7019

This paper reports an assessment of a school building design using the newly published Building Bulletin 101 2018. The requirements on thermal comfort and CO2 based indoor air quality from this new guidance document are very different from its earlie... Read More about Assessing low energy school buildings using the new Building Bulletin 101.

Rating the components of indoor environmental quality in students classrooms in warm humid climate of Uli, Nigeria (2019)
Journal Article
Munonye, C., & Ji, Y. (2019). Rating the components of indoor environmental quality in students classrooms in warm humid climate of Uli, Nigeria

The indoor environment of classrooms needs to be comfortable for the occupants to perform their class work effectively. To achieve this objective, architects and engineers need to be proactive at the early design stage by considering the very compone... Read More about Rating the components of indoor environmental quality in students classrooms in warm humid climate of Uli, Nigeria.

Analyzing the deformation of multilayered saturated sandy soils under large building foundation (2019)
Journal Article
Li, C., Xiu, Z., Ji, Y., Wang, F., & Chan, A. (2019). Analyzing the deformation of multilayered saturated sandy soils under large building foundation. KSCE Journal of Civil Engineering, 23, 3764-3776. https://doi.org/10.1007/s12205-019-0187-y

The generalized plasticity theory has been subject of much research in geomechanics. The Pastor-Zienkiewicz model and its modified versions are among these. For large foundations resting on multilayered soils the actual loading is often non-linear. I... Read More about Analyzing the deformation of multilayered saturated sandy soils under large building foundation.

Retrofit modelling of existing dwellings in the UK : the Salford Energy House case study (2019)
Journal Article
Ji, Y., Lee, A., & Swan, W. (2019). Retrofit modelling of existing dwellings in the UK : the Salford Energy House case study. International Journal of Building Pathology and Adaptation, 37(3), 344-360. https://doi.org/10.1108/IJBPA-12-2018-0106

There is a clear consensus that improving energy efficiency of existing housing stock is necessary to meet the UK’s legally binding carbon emission targets by 2050. The aim of this research is to assess the energy saving potentials from building re... Read More about Retrofit modelling of existing dwellings in the UK : the Salford Energy House case study.

Building dynamic thermal model calibration using the Energy House facility at Salford (2019)
Journal Article
Ji, Y., Lee, A., & Swan, W. (2019). Building dynamic thermal model calibration using the Energy House facility at Salford. Energy and Buildings, 191(May 19), 224-234. https://doi.org/10.1016/j.enbuild.2019.03.001

Thermal modelling tools have widely been used in the construction industry at the design stage, either for new build or retrofitting existing buildings, providing data for informed decision-making. The accuracy of thermal models has been subject of m... Read More about Building dynamic thermal model calibration using the Energy House facility at Salford.

Assessing the requirements from ‘BB101’ 2006 and 2018 for a naturally ventilated preparatory school in the UK (2018)
Journal Article
Ji, Y., Swan, W., Fitton, R., & Fernando, T. (2018). Assessing the requirements from ‘BB101’ 2006 and 2018 for a naturally ventilated preparatory school in the UK. Building Services Engineering Research and Technology, 40(5), 638-659. https://doi.org/10.1177/0143624418815785

In the UK, BB101 is the guidance document for ventilation design of school buildings. There are significant changes proposed in the new version of BB101. The aim of this paper is to examine the requirements of thermal comfort and CO2-based indoor a... Read More about Assessing the requirements from ‘BB101’ 2006 and 2018 for a naturally ventilated preparatory school in the UK.

Adaptive thermal comfort evaluation of typical public primary school classrooms in Imo state, Nigeria (2018)
Journal Article
Munonye, C., & Ji, Y. (2018). Adaptive thermal comfort evaluation of typical public primary school classrooms in Imo state, Nigeria

Climate change is causing high-temperature increase, which is affecting people’s health especially the vulnerable group such as children. Literature reviews revealed various complaints about health issues caused by heat stress as they relate to this... Read More about Adaptive thermal comfort evaluation of typical public primary school classrooms in Imo state, Nigeria.

The effect of gas flare on the health of schoolchildren in the Niger delta area of Nigeria (2017)
Journal Article
Ogbonda, U., & Ji, Y. (2017). The effect of gas flare on the health of schoolchildren in the Niger delta area of Nigeria. International journal of humanities and social science research (Delhi), 3, 10-15

The proximity of schools to gas flaring sites and the use of simple ventilation systems in school buildings with currently no regulation or laid down blueprint during design and construction in an environment prone to adverse environmental hazards ca... Read More about The effect of gas flare on the health of schoolchildren in the Niger delta area of Nigeria.

Domestic building fabric performance : closing the gap between the in situ measured and modelled performance (2017)
Journal Article
Marshall, A., Fitton, R., Swan, W., Farmer, D., Johnston, D., Benjaber, M., & Ji, Y. (2017). Domestic building fabric performance : closing the gap between the in situ measured and modelled performance. Energy and Buildings, 150, 307-317. https://doi.org/10.1016/j.enbuild.2017.06.028

There is a growing body of evidence available to indicate that there is often a discrepancy between the in situ measured thermal performance of a building fabric and the steady-state predicted performance of that fabric, even when the building fabric... Read More about Domestic building fabric performance : closing the gap between the in situ measured and modelled performance.

Thermal responses of single zone offices on existing near-extreme summer weather data (2017)
Journal Article
Ji, Y., Korolija, I., & Zhang, Y. (2018). Thermal responses of single zone offices on existing near-extreme summer weather data. Building Simulation, 11(1), 15-35. https://doi.org/10.1007/s12273-017-0367-y

There have been a number of attempts in the past to define “near extreme” weather for facilitating overheating analysis in free running buildings. The most recently efforts include CIBSE latest release of Design Summer Year (DSY) weather using multip... Read More about Thermal responses of single zone offices on existing near-extreme summer weather data.

Design summer year weather - outdoor warmth ranking metrics and their numerical verification (2016)
Journal Article
Ji, Y., Zhang, Y., Korolija, I., & Futcher, J. (2016). Design summer year weather - outdoor warmth ranking metrics and their numerical verification. Building Services Engineering Research and Technology, 37(6), 639-663. https://doi.org/10.1177/0143624416648179

The existing methods of selecting design summer year weather data rely on the outdoor dry bulb temperature without considering solar radiation and wind which can impact on indoor thermal conditions. This research sets out to examine the existing out... Read More about Design summer year weather - outdoor warmth ranking metrics and their numerical verification.