Search Results - "Poon, C.S"

Prediction of compressive strength of recycled aggregate concrete using artificial neural networks by Duan, Z.H., Kou, S.C., Poon, C.S.

“…The proposed 14-16-1 ANNs model was constructed, and performed under the MATLAB program. Training, testing and validation of the model stages were performed…”
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Enhancing the durability properties of concrete prepared with coarse recycled aggregate by Kou, S.C., Poon, C.S.

“…► Use of recycled aggregate would render the recycled aggregate concrete less durable. ► This study aims to develop new methods for improving durability of…”
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Comparing carbon emissions of precast and cast-in-situ construction methods – A case study of high-rise private building by Dong, Ya Hong, Jaillon, Lara, Chu, Peggy, Poon, C.S.

“…•Adoption of precast concrete can reduce the carbon emissions.•The carbon emission of 1m3 cast-in-situ concrete is 692kg CO2 eq.•For 1m3 concrete, precasting…”
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Using artificial neural networks for predicting the elastic modulus of recycled aggregate concrete by Duan, Z.H., Kou, S.C., Poon, C.S.

“…•ANN models are proposed to predict E values of recycled aggregate concrete.•ANN model is enhanced by incorporating related data sets into their training.•ANN…”
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Compressive strength, chloride diffusivity and pore structure of high performance metakaolin and silica fume concrete by Poon, C.S., Kou, S.C., Lam, L.

“…This study is to relate the mechanical and durability properties of high performance metakaolin (MK) and silica fume concretes to their microstructure…”
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NO removal efficiency of photocatalytic paving blocks prepared with recycled materials by Poon, C.S., Cheung, E.

“…This paper presents the results of a study on the effectiveness of incorporating air cleaning agents such as titanium dioxide (TiO 2) into the technique of…”
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Statistical analysis of recycled aggregates derived from different sources for sub-base applications by Barbudo, A., Agrela, F., Ayuso, J., Jiménez, J.R., Poon, C.S.

“…► The objective is correlating the mechanical behaviour with the constituents. ► Several statistical tests were applied, to establish relations between…”
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Compressive behavior of fiber reinforced high-performance concrete subjected to elevated temperatures by Poon, C.S., Shui, Z.H., Lam, L.

“…In this paper, the effects of elevated temperatures on the compressive strength stress–strain relationship (stiffness) and energy absorption capacities…”
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Influence of moisture states of natural and recycled aggregates on the slump and compressive strength of concrete by Poon, C.S., Shui, Z.H., Lam, L., Fok, H., Kou, S.C.

“…The influence of moisture states of natural and recycled aggregates on the properties of fresh and hardened concretes was investigated. Concrete mixes were…”
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Use of recycled aggregates in molded concrete bricks and blocks by Poon, C.S., Kou, S.C., Lam, L.

“…This study aimed to develop a technique for producing concrete bricks and paving blocks using recycled aggregates obtained from construction and demolition…”
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Production of lightweight concrete using incinerator bottom ash by Qiao, X.C., Ng, B.R., Tyrer, M., Poon, C.S., Cheeseman, C.R.

“…The medium size fraction (14–40mm) of aged incinerator bottom ash (IBA) obtained from a major UK energy from waste (EfW) plant has been crushed to less than…”
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A study on high strength concrete prepared with large volumes of low calcium fly ash by Poon, C.S., Lam, L., Wong, Y.L.

“…This paper presents the results of a laboratory study on high strength concrete prepared with large volumes of low calcium fly ash. The parameters studied…”
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A durability study of externally bonded FRP-concrete beams via full-field infrared thermography (IRT) and quasi-static shear test by Lai, W.L., Kou, S.C., Poon, C.S., Tsang, W.F., Lee, K.K.

“…► Durability of 36nos. externally-bonded CFRP-concrete beams was studied by monitoring the intermediate cracking (IC) processes using quantitative infrared…”
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Numerical tests of thermal cracking induced by temperature gradient in cement-based composites under thermal loads by Fu, Y.F., Wong, Y.L., Poon, C.S., Tang, C.A.

“…This paper presents the development of a new method to model the thermal stresses and cracks in a heterogeneous cement-based composite material under elevated…”
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On-site sorting of construction and demolition waste in Hong Kong by Poon, C.S, Yu, Ann T.W, Ng, L.H

“…The construction industry is the major solid waste generator in Hong Kong. In 1998, it generated about 32 710 t per day of construction and demolition (C&D)…”
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Pozzolanic properties of reject fly ash in blended cement pastes by Poon, C.S., Qiao, X.C., Lin, Z.S.

“…Low-grade fly ash (reject fly ash, r-FA), a significant portion of the pulverized fuel ash (PFA) produced from coal-fired power plants and rejected from the…”
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Novel cementitious materials produced from incinerator bottom ash by Qiao, X.C., Tyrer, M., Poon, C.S., Cheeseman, C.R.

“…The fine fraction of incinerator bottom ash (IBA) obtained from an energy from waste plant has been milled and thermally treated at 800 °C to investigate the…”
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Effect of Fly Ash and Silica Fume on Compressive and Fracture Behaviors of Concrete by Lam, L, Wong, Y.L, Poon, C.S

“…The effects of replacing cement by fly ash and silica fume on strength, compressive stress-strain relationship, and fracture behavior of concrete were…”
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Thermal induced stress and associated cracking in cement-based composite at elevated temperatures––Part I: Thermal cracking around single inclusion by Fu, Y.F., Wong, Y.L., Tang, C.A., Poon, C.S.

“…This paper presents the development and verification of 2-D mesoscopic thermoelastic damage model used to numerically quantify the thermal stresses and crack…”
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Effects of flue gas desulphurization sludge on the pozzolanic reaction of reject-fly-ash-blended cement pastes by Poon, C.S., Qiao, X.C., Lin, Z.S.

“…Reject fly ash (rFA), a coarse portion of the pulverized fuel ash (PFA) produced from coal-fired power plants and rejected from the ash classifying process,…”
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