The effect of nano fly ash on properties of cement mortar

Abdul-Hamead, Alaa A.; Othman, Farhad M.; Hmeed, Noor A.

doi:10.1063/1.5080824

Cited by 5 publications

(3 citation statements)

References 16 publications

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“…Nano cement was produced by grinding the Ordinary Portland Cement (OPC) of grade 53. OPC was converted into nano cement by grinding OPC in a Ball mill grinder [12]. The nano cement had size between 90 nm to 200 nm.…”

Section: Properties Of Materialsmentioning

confidence: 99%

Experimental Investigation on Augmenting the Discharge over Ogee Spillways with Nanocement

Muthukumaran¹,

Arulraj²

2020

cea

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Due to urbanization, the infiltration has decreased drastically resulting in more runoff. Due to this, dams are receiving more runoff than the design runoff. To avoid over topping of dams due to this excess runoff, the capacity of the spillways has to be augmented. The objective of this research is to determine the effect of nano material on increasing the discharge capacity of Ogee spillways. Ogee spillways were constructed in a rectangular flume. Experiments were carried on a tilting flume of size 10 m X 0.55 m X 0.6 m. The Ogee spillway model was fabricated and plastered with cement mortar 1:3. Three slopes were used and laboratory experiments were performed with varying heads. Another Ogee spillway was made and plastered with cement mortar 1:3 in which 30 % cement was replaced with nano cement. The discharges for the three slopes (0.003333, 0.007778, and 0.012222) were found for Ogee spillway plastered with cement mortar and also for the Ogee spillway plastered with 30 % of nano cement by varying the heads between 0.5 cm and 5 cm above the crest of the spillway in steps of 0.5 cm. It is found that spillway with 30 % nano cement replacement gives more discharge than the spillway plastered with normal cement mortar. Experimental investigations related to porosity, roughness height and SEM analysis also prove that replacement of nanomaterial improves the surface smoothness and hence increasing the carrying capacity of the spillway.

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Section: Properties Of Materialsmentioning

confidence: 99%

Experimental Investigation on Augmenting the Discharge over Ogee Spillways with Nanocement

Muthukumaran¹,

Arulraj²

2020

cea

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“…Abdul Hamead et al [21] described producing nano-powder as a weight percentage replacement of Portland cement for supporting mortar structural properties through XRD, SEM, and compression strength improvement. These improvements made the material useful for restoration and construction projects.…”

Section: Introductionmentioning

confidence: 99%

Effect of 3D Printing Parameters on Hollow Vascular Networks for Self-Healing Concrete Using Recycled Materials

Hameed,

Othman,

Abdul-Hamead

2024

MMEP

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Self-healing concrete can repair and seal cracks, this study explores fused deposition modelling (FDM) for creating novel vascular networks and tubes using polylactic acid (PLA) as a material they are incorporated within the concrete beam to injection the healing agent. The problem addressed in the text is to understand how interaction different printing parameters on different layer thicknesses (0.10, 0.20, 0.30, 0.40, and 0.50) mm affect the mechanical properties of (PLA) samples produced through (FDM) with a 3D printer, which was investigated using standardized tests. The hardness and tensile strength were determined using the ASTM D2240 method and ASTM D638-10, while water absorption was assessed using the ISO 62 standard. The bending properties of the specimens were analyzed using the ASTM D790-10 three-point bending test. Tensile and flexural strength increased up to 72 MPa and 81 MPa respectively as layer thickness increased up to 0.4 this layer was chosen to print the hollow vascular network.

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“…Alaa A. (2018) study the structure, mechanical and physical properties of cement mortar incorporated nano fly ash with content ranged (0.25-1) % by the weight of cement, experimental outcome display that generated nano-powder improve the structure and enhance the compressive strength of cement mortar [12].…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Effect of Addition Nano-papyrus Cane on the Mechanical Properties of Concrete

et al. 2021

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This paper investigates the effect of nano-papyrus cane ash as an additive on concretes’ mechanical and physical properties. Three types of concrete mixtures, 1:2:4, 1:1.5:3, and 1:1:2 were prepared for each mixture, nano-papyrus ash was added in five different dosages of 0.75, 1.5, 3, 4.5, and 6% by weight of cement; therefore, eighteen mixes would be studied in this work. Physical properties represented by dry density and slump were also measured for each mix. Moreover, to evaluate the mechanical properties development split tensile strength and compressive strength were obtained at age (7 and 28). Results manifested that the adding of nano ash developed the compressive strength and split tensile strength of concrete and the maximum enhancement recognized in the mixes with a content of 4.5% nano-papyrus in each studied mixture in this work. The slump test results indicated that the workability of concrete increased with adding nano-papyrus ash gradually with increasing nanoparticles' content. As well as, dry density was significant increased with nano-papyrus ratio; greater values were recorded in mixtures with 1.5-4.5% content of nano-papyrus. When comparing the concrete mixes used, it was found that the best results were obtained with 1:1:2 mixtures. This remarkable improvement in concrete properties considers the nano-papyrus is considered a cement economical and useful replacement for traditional construction material. Doi: 10.28991/cej-2021-03091649 Full Text: PDF

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The effect of nano fly ash on properties of cement mortar

Cited by 5 publications

References 16 publications

Experimental Investigation on Augmenting the Discharge over Ogee Spillways with Nanocement

Experimental Investigation on Augmenting the Discharge over Ogee Spillways with Nanocement

Effect of 3D Printing Parameters on Hollow Vascular Networks for Self-Healing Concrete Using Recycled Materials

Investigation of the Effect of Addition Nano-papyrus Cane on the Mechanical Properties of Concrete

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