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An artificial alternative material for natural sand in construction is of significance for the civil engineering. In the present study, the effects of artificial geopolymer sand (AGS) as an alternative to natural sand (NS) on pore structure and mechanical property of cement mortar were studied.
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The research gap on the feasibility of basalt rock powder (BRP) and superfine sand (SS) in preparation of cement mortar is significant. Thisstudy examines probable changes occurred in the modified ...
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In this study, several mathematical, soft computing, and machine learning modeling tools are used to develop a dependable model for forecasting the compressive strength of cement mortar modified with metakaolin (MK) additive and predicting the effect of MK and a maximum diameter of the fine aggregate (MDA) on the compressive …
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This study investigates the fresh and hardened state properties of cement-sand mortar comprising manufactured sand and offshore sand as alternatives for a …
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Granules with two size ranges were produced by controlling the time of this last granule growth stage, one with a nominal size of 1–4 mm (Fig. 1) for sand replacement, and one with a nominal size of 2–8 mm for aggregate replacement.The particle size distributions of the granules 1–4 and 2–8 mm are presented in Fig. 2.The water …
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The high content of MP in the water column on the sand filter media indicated that the MPs in the water were separated by screening as the water passed through the filter medium (Sarkar et al., 2021).
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River sand is usually used in foundations, while concrete sand is used to make concrete and mortar. M-sand is an artificial version of natural sand and can make stronger structures, while fill sand and utility sand have …
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Geopolymers, as a promising substitute for ordinary cement, exhibit different coating effects with regard to the durability of basalt fiber-reinforced polymer (BFRP) bars. In this study, a comparative investigation was carried out on the shear performance of prestressed BFRP bars coated with seawater sea-sand geopolymer mortar (SSGM).
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known as filter sand), in addition to depleting the fertile top soil, impairs the quality of concrete / mortar. Manufactured sand, which is obtained by crushing the rock, is emerging as a viable alternative to river sand. This material is in use for quite some time in developed countries. The use of this sand (also called artificial sand, M ...
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Effect of coral sand on the mechanical properties and hydration mechanism of magnesium potassium phosphate cement mortar Hao LIU1,2,3, Huamei ... Compared with MKPC river sand (RS) mortar, the hydration products of CS mortar were an intermediate product 6KPO 2·8H 2O with a relative content of 3.9% at 1 h and 4.1% at 12 h. The hydration …
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The novelty of the study lies in custom designing disc pelletizer equipment for pelletizer speed, tilt angle, auto spray of solution and feedstock, and exploring …
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The mica content of stone powder in manufactured sand is higher when the sand is made by crushing rocks of higher mica content. The effect of mica content in stone powder on the performances of ...
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Mortar rakes are gritted bits or blades designed to remove mortar from in between bricks or masonry. They use different types of grit to grind away at the material, and the non-bladed type are ideal for precise mortar removal. Various sizes, grit materials and brands are available in the range.
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DOI: 10.13168/cs.2022.0050 Corpus ID: 253546176; EFFECTS OF DESERT SAND SUBSTITUTION ON CONCRETE PROPERTIES USING DESERT SAND-DOPED QUARTZ SAND AS THE FINE AGGREGATE @article{Liao2022EFFECTSOD, title={EFFECTS OF DESERT SAND SUBSTITUTION ON CONCRETE PROPERTIES …
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The time-dependent interfacial adhesion between rock and fresh mortar is key for concrete linings in mountain tunnels. However, a scientific deficit exists in the time-dependent evolution of the interfacial adhesion, which can cause adhesion failure when tunnel lining. Nanoclay has the potential to increase the interfacial …
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This study aims to prepare cement mortar with different artificial geopolymer sand (AGS) replacement rates and investigate its dynamic mechanical properties. Firstly, AGS was used to replace natural sand (NS) to obtain cement mortar with different replacement rates (0.0%, 20.0%, 40.0%, 60.0%, 80.0% and 100.0%).
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The increasing scarcity of natural sand and stone resources has led to a growing substitution of natural sand with artificial sand as a mortar aggregate, driven by economic and environmental considerations [2]. On a microscopic scale, cement mortar is a three-phase composite material consisting of aggregate, cement slurry, and the interfacial ...
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In the present study, an attempt has been made to experimentally study the properties of concrete and mortar by replacing the natural sand with artificial …
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The fine aggregate used is standard sand with density of 2630 kg/m 3; particle size and mud content are lower than 5 mm and 0.20%, respectively. The particle size distribution of the sand meets the standard requirements and belongs to zone II medium sand. ... the feasibility and beneficial effects of using SAP as an internal curing …
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Article IV. The medium sand and desert sand were used to produce DSM. Medium sand was taken from the artificial washing sand from the quarrying industry in Ningxia. Desert sand was taken from Mu Us desert. The physical and mechanical properties of medium sand and desert sand were tabulated in Table 2.
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Semantic Scholar extracted view of "Research on Properties of Concrete Prepared with Artificial Sand Containing Stone Powder at High Content" by Mingkai Zhou et al. ... More Filters. Filters ... flexural strength of mortar of river sand, limestone manufactured sand (MA), quartzite MA, granite MA were studied … Expand. 1. Save. …
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The formation of the pore structure in multi-aggregate-graded mortar is influenced by both the surface-to-volume ratio and aggregate packing density. At the same hydration time, …
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The effect of ambient air and water curing on the strength properties, cumulative porosity, and microstructure of geopolymer mortar samples was evaluated …
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Performance evaluation of cement mortar produced with manufactured sand and offshore sand as alternatives for river sand. Branavan Arulmoly Chaminda …
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Recently, the authors have found that the effects of these parameters on the flowability and rheological properties of cement paste may be evaluated in terms of the water film thickness (WFT) of the solid–water mixture. Herein, this concept of WFT is extended to cement–sand mortar made of sand with a maximum size of 1·18 mm.
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The effect of ambient air and water curing on the strength properties, cumulative porosity, and microstructure of geopolymer mortar samples was evaluated at room temperature. Subsequently, the effects of two different sand-binder ratios, the amount of FA replacement with UFFA, and slag on the short-term mechanical properties …
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Geopolymers, as a promising substitute for ordinary cement, exhibit different coating effects with regard to the durability of basalt fiber‐reinforced polymer (BFRP) bars. In this study, a comparative investigation was carried out on the shear performance of prestressed BFRP bars coated with seawater sea‐sand geopolymer mortar (SSGM). …
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Smart Sand developments will benefit stakeholders throughout the value chain – from fly ash producers who no longer need to pay disposal costs to the …
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The present study was carried out to produce an artificial hydraulic lime for repair and conservation of historic masonry. Lime mortar is preferred to cement based mortar for conservation work because it is more compatible with stone and ancient brickwork, as well as being a more sustainable material. The study focused on the effect …
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Download Citation | On May 1, 2023, L.F. Fan and others published Investigation of micro-structure and compression behavior of cement mortar with artificial geopolymer sand | Find, read and cite ...
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To utilize fly ash fully, this study used low-grade fly ash as a substitute for natural river sand in mortar. This has great potential to alleviate the shortage of natural …
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DOI: 10.1016/J.CONBUILDMAT.2008.09.006 Corpus ID: 136872543; Effects of crushed clay brick aggregate on mortar durability @article{Bekta2009EffectsOC, title={Effects of crushed clay brick aggregate on mortar durability}, author={Fatih Bektaş and Kejin Wang and Halil İbrahim Ceylan}, journal={Construction and Building …
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Comparison of artificial sand and natural sand Compared with natural sand, artificial sand has more advantages: 1 Quality advantages: The source of sand resources is stable; mechanized …
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Controlling the rheological properties of cement asphalt (CA) mortar has been of great importance to its construction properties. In the present paper, the effects of sand, i.e. particle size and fineness module of sand, sand to paste ratio (Rs/p) and paste film thickness (PFT) on the rheological properties of CA mortar were studied with the use of …
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DOI: 10.1016/j.conbuildmat.2019.116888 Corpus ID: 203461288; Effect of nano-silica on mechanical properties and durability of self-compacting mortar containing natural zeolite: Experimental investigations and artificial neural network modeling
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Abstract. Manufactured sands are produced by crushing rock deposits to produce a fine aggregate that is generally more angular and has a rougher surface texture than naturally weathered sand particles. Manufactured sands can also contain significant quantities of rock dust. As natural sand deposits become depleted near some areas of …
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The results show that the dynamic strength, elastic modulus and energy absorption of cement mortar increase firstly and then decrease as replacement rate …
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The global consumption of river sand as a fine aggregate in the production of concrete and mortar is very high. Unfortunately, in the last 20 years, the obtainability of river sand is reducing and several countries have problems in supplying. One option to solve the scarcity of river sand is to use sea sand in the construction field. In the current …
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