Results 161 to 170 of about 2,326 (201)

MISS diversity from saline lakes of Brazilian Pantanal: Origin, potential of preservation and comparison with examples of the Ediacaran‐Cambrian shallow depositional settings

Sedimentology, Volume 73, Issue 4, Page 945-964, June 2026.
ABSTRACT One of the largest wetlands on Earth, the Brazilian Pantanal contains roughly 10 000 natural lakes, about 1000 of which are hypersaline. In these environmentally stressful settings, animal life struggles to survive, while cyanobacteria form extensive mats.
Lucas V. Warren, Filipe G. Varejão, Lucas Inglez, Maria Julia Arrouy, Beatriz Christofoletti, Mario L. Assine   +5 more
wiley   +1 more source

Treatments on Polypropylene Macro Synthetic Fibers for Improving Adhesion in Structural Concrete Reinforcement: A Systematic Review

Journal of Applied Polymer Science, Volume 143, Issue 20, May 20, 2026.
Surface functionalization of polypropylene macrofibers to enhance fiber‐matrix interfacial bonding. ABSTRACT Concrete is the most used higher compressive strength‐building material, albeit brittle to tensile, and flexural loads. Polypropylene (PP) synthetic polymeric macrofibres are commonly employed as reinforcement material to prevent this situation ...
Elena Saccani, Ylenia Ruberto, Daniel Milanese, Corrado Sciancalepore   +3 more
wiley   +1 more source

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Controlling the Cohesion of Cement Paste

Langmuir, 2005
The main source of cohesion in cement paste is the nanoparticles of calcium silicate hydrate (C-S-H), which are formed upon the dissolution of the original tricalcium silicate (C(3)S). The interaction between highly charged C-S-H particles in the presence of divalent calcium counterions is strongly attractive because of ion-ion correlations and a ...
Jönsson, B., Nonat, A., Labbez, C., Cabane, B., Wennerström, H.   +4 more
openaire   +3 more sources

Cement Paste and Concrete

Annual Review of Materials Science, 1973
This paper outlines the current state of knowledge as regards the chemical and physical aspects of the structure of hardened cement paste, then relates the properties of shrinkage, inelastic behavior, and creep to structure. Some significant recent developments in materials for concrete production are presented.
T C Hansen, F Radjy, E J Sellevold
openaire   +1 more source

Effect of wet carbonated recycled cement paste powder on the rheology of cement paste

Cement and Concrete Research
Xiang Hu, Sarra Drissi, Yuguang Mao
exaly   +2 more sources

Heat deformations of cement paste phases and the microstructure of cement paste

Materials and Structures, 1984
The paper presents the results of an experimental investigation of the influence of thermal deformations of phases present in hardened cement paste on its microstructure. For the observation of the thermal deformation course in the range of temperature20–800°C, a method of complex thermal analysis (DTA, DTD, TD) was employed.
openaire   +1 more source

Water Confined in Cement Pastes as a Probe of Cement Microstructure Evolution

The Journal of Physical Chemistry B, 2009
The properties of the water confined in a hydrating white cement paste have been investigated using low-temperature differential scanning calorimetry (LT-DSC) and low-temperature near infrared spectroscopy (LT-NIR). LT-DSC thermograms show, upon cooling, several exothermic peaks in the temperature range -10 to -42 degrees C, whose position and area ...
RIDI, FRANCESCA, LUCIANI, PAOLA, FRATINI, EMILIANO, BAGLIONI, PIERO   +3 more
openaire   +2 more sources

Quantifying the effects of wet carbonated recycled cement paste powder on the properties of cement paste

Cement and Concrete Research
Yuguang Mao, Sarra Drissi, Pingping He   +2 more
exaly   +2 more sources

Analytical Electron Microscopy of Cement Pastes: II, Pastes of Portland Cements and Clinkers

Journal of the American Ceramic Society, 1980
Three hundred sixty‐five particles of C‐S‐H, Ca(OH) 2 , AFm phase, and AFt phase from pastes of normally ground portland cements and of finely ground cements and clinkers were analyzed. All the phases, except the Ca(OH) 2 , showed significant variation ...
E. E. LACHOWSKI, K. MOHAN, H. F. W. TAYLOR, A. E. MOORE   +3 more
openaire   +1 more source

Chloride ingress in cement paste and mortar

Cement and Concrete Research, 1999
In this paper chloride ingress in cement paste and mortar is followed by electron probe microanalysis. The influence of several paste and exposure parameters on chloride ingress are examined (e.g., water-cement ratio, silica fume addition, exposure time, and temperature).
Jensen, Ole Mejlhede, Hansen, Per Freiesleben, Coats, A. M., Glasser, F. P.   +3 more
openaire   +2 more sources