Results 61 to 70 of about 18,482 (315)
Effect of Functional Superplasticizers on Concrete Strength and Pore Structure
Applied Sciences, 2020 The current work investigates the fluidity and the loss of the flow rate of cement paste and mortar over time, as well as the pore structure and compressive strength of concrete and mortar in the presence of functional polycarboxylic acid high ...
Wu Xun +5 more
semanticscholar +1 more source
Small, EarlyView.This study investigates the impact of MWCNT reinforcement on the compressive strength of lunar regolith composites under varied curing conditions, including ambient with and without cycling and vacuum with cycling. Utilizing experimental methodologies, it identifies significant relationships between MWCNT content, curing protocols, and thermal cycling,
Andrea J. Hoe +5 more
wiley +1 more source
Influence of superplasticizers on the concrete mix properties
Инженерно-строительный журнал, 2017 The most important technological properties of concrete mix are its workability, waterproof capacity, immutability of the properties and air-entrainment.
Maria Antonova +5 more
doaj +1 more source
The influence of superplasticizer and shrinkage reducing admixture type on air-content and related properties of HPSCC [PDF]
MATEC Web of Conferences, 2020 Theoretically, high-performance concrete with w/c ratio about 0.30 and w/b about 0.28 should have low porosity, low water permeability and high strength.
Łaźniewska-Piekarczyk Beata
doaj +1 more source
Polymers, 2020 This paper presents the experimental procedure to develop air lime-based injection grouts, including polymeric superplasticizers, a water repellent agent and pozzolanic agents as additives.
J. F. González-Sánchez +4 more
semanticscholar +1 more source
Recent advances in embedded technologies and self‐sensing concrete for structural health monitoring
Structural Concrete, EarlyView.Abstract Fully embedded and spatially diffuse sensors are central to the advancement of civil and construction engineering. Indeed, they serve as an enabling technology necessary for addressing the current challenges associated with through‐life management and structural health monitoring of existing structures and infrastructures. The need to identify
Marco Civera +2 more
wiley +1 more source
Interaction between cements with different composition and superplasticizers
Materiales de Construccion, 2012 The slump behavior of ordinary Portland-, pozzolanic (red brick powder)-, sulfate resistant-, and limestone cement pastes caused by ≤ 1% additions of polycondensates and polycarboxylates superplasticizers are monitored for up to 90 minutes.
H. Y. Ghorab +2 more
doaj +1 more source
Stabilisation and solidification of contaminated soil using cement and sugarcane bagasse ash (SCBA) [PDF]
, 2018 Soil that is contaminated with heavy metals has become a major issue worldwide. However, proper remediation techniques such as stabilisation/solidification (S/S) method can be employed and is capable of controlling these heavy metals.
Mohammad Azmi, Mohamad Azim
core
Long‐term mechanical properties of hybrid fiber‐reinforced engineered cementitious composite
Structural Concrete, EarlyView.Abstract Hybrid fiber‐reinforced engineered cementitious composites (hybrid ECC) employing short straight polyethylene (PE) and steel fibers have attracted growing interest in engineering applications due to their superior strength and ductility. In most studies, the mechanical properties of hybrid ECC were determined based on samples cured for 28 days,
Shiyao Zhu, Y. X. Zhang, C. K. Lee
wiley +1 more source
High Performance of Silica Fume Mortars for Ferrocement Applications [PDF]
Engineering and Technology Journal, 2013 The current study deals with obtaining the high performance mortars to use in the applications of ferrocement. The main problem that has greatly affected the performance of mortar is the workability.
M. A. Mashrei +2 more
doaj +1 more source