Improvement of heavy metal removal from urban runoff using modified pervious concrete

P Wijeyawardana, N Nanayakkara… - Science of The Total …, 2022 - Elsevier
Heavy metals are one of the major chemical pollutant groups in urban runoff. The
application of porous concrete is a potential alternative to conventional runoff management …

Quantitative evaluation of the characteristics of air voids and their relationship with the permeability and salt freeze–thaw resistance of hybrid steel-polypropylene fiber …

Y Wang, S Zhang, D Niu, Q Fu - Cement and Concrete Composites, 2022 - Elsevier
Hybrid fiber affects the structure of air voids of hardened concrete and further affects the
performance of concrete. A laboratory test quantitatively analyzes the characteristics of air …

Investigation of microstructure of CSH and micro-mechanics of cement pastes under NH4NO3 dissolution by 29Si MAS NMR and microhardness

L Wang, M Jin, S Zhou, S Tang, X Lu - Measurement, 2021 - Elsevier
The hydraulic concrete structures commonly suffer from severe dissolution. Dissolution has
a great influence on the mechanical properties and durability of concrete, which would be …

Full process of calcium silicate hydrate decalcification: Molecular structure, dynamics, and mechanical properties

Y Zhang, L Guo, J Shi, Q Luo, J Jiang, D Hou - Cement and Concrete …, 2022 - Elsevier
CSH gel is the origin of cohesion of cement and deteriorates with decalcification. However,
the molecular process underlying its complex chemical reactions and structure/properties …

Methods to evaluate resistance of cement-based materials against microbially induced corrosion: A state-of-the-art review

L Wu, G Huang, WV Liu - Cement and Concrete Composites, 2021 - Elsevier
Microbially induced corrosion (MIC) is a serious issue for sewer structures worldwide. Many
studies have been carried out to develop more durable cement-based materials under the …

Mechanical and durability properties of alkali-activated mortar based on sugarcane bagasse ash and blast furnace slag

A Pereira, JL Akasaki, JLP Melges, MM Tashima… - Ceramics …, 2015 - Elsevier
Sugarcane bagasse is an agricultural waste which can be transformed, for cementing
purposes, into an interesting material by combustion. Specifically, the ash (SBA) obtained by …

Investigation of the changes in microstructure and transport properties of leached cement pastes accounting for mix composition

QT Phung, N Maes, D Jacques, G De Schutter… - Cement and Concrete …, 2016 - Elsevier
Ca-leaching of cement-based materials induces detrimental effects on properties related to
long-term durability. A better understanding of leaching degradation in terms of alterations in …

Impact of calcium leaching on mechanical and physical behaviors of high belite cement pastes

C Jiang, L Jiang, X Tang, J Gong, H Chu - Construction and Building …, 2021 - Elsevier
Water conservancy engineering such as dams and canals built with high belite cement
(HBC) concrete for reducing temperature cracks have been running for many years and are …

Influence of decalcification on structural and mechanical properties of synthetic calcium silicate hydrate (CSH)

L Liu, C Sun, G Geng, P Feng, J Li, R Dähn - Cement and Concrete …, 2019 - Elsevier
Decalcification causes critical degradation of calcium silicate hydrate (CSH)–the principal
binder in concrete. Contrary to structural change, the decalcification-induced change of CSH …

[图书][B] Durability design of concrete structures: Phenomena, modeling, and practice

K Li - 2017 - books.google.com
Comprehensive coverage of durability of concrete at both material and structural levels, with
design related issues Links two active fields in materials science and structural engineering …