Influence of a new type of additive on the performance of polymer-lightweight mortar composites

Gündüz, Lütfullah; Bekar, M.; Şapci, Nükhet

doi:10.1016/j.cemconcomp.2007.03.007

Cited by 26 publications

(12 citation statements)

References 6 publications

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“…In order to obtain a higher sulphuric acid resistant mortar at a low cost, a Na 2 SiO 3 and five polymer latexes were chosen to produce five kinds of modified cement mortars in a previous experimental study [4], in which the Na 2 SiO 3 -polyvinyl acetate latex hybrid modified cement mortar (HM) had been found to be the best. The modified effect of HM is similar to that of the other research [5].…”

Section: Introductionsupporting

confidence: 90%

The physical and chemical effects of long-term sulphuric acid exposure on hybrid modified cement mortar

Guang-jing

et al. 2009

Cement and Concrete Composites

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Section: Introductionsupporting

confidence: 90%

The physical and chemical effects of long-term sulphuric acid exposure on hybrid modified cement mortar

Guang-jing

et al. 2009

Cement and Concrete Composites

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“…If the properties of the ground, very weak rock mass or rust material in any slope vary frequently throughout the slope, also the applicability of circular shear analysis methods disappears due to a structural feature such as ground-rock touch or in the presence of low shear strength planar levels in the mass [12,13,36,37]. Shifts under such conditions: it develops along surfaces that start circularly in noncircular or near slope-top areas and continue in planar depths [14][15][16][17].…”

Section: Resultsmentioning

confidence: 99%

“…The stability of working area was managed with different methods such as geotechnical characters and geological formations, precautionary measurements, and the processes determined. Researchers have two basic theories for areas with similar geotechnical conditions [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30]. Firstly, landslides are formed in the same geological, geomorphologic, hydrogeological, climatic conditions as in the past.…”

Section: Introductionmentioning

confidence: 99%

Anchorage Pile Strengthening of Shale Slopes and Cementing Falling Stone Blocks by Mixture of Melted Waste Plastics/Asphalt and Fly Ash for Slope Stability in Asphaltite Open Pit Mining Site in Avgamasya, Şırnak

Tosun¹

2021

Mining Techniques - Past, Present and Future

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The Rock Fallings, Shale Slopes Stability, and Stability Risk Assessment in Şırnak open pit asphaltite mining should be searched in detail and improved in several coal mining sites in Şırnak Province, reaching over 120 m height with 60-65 degree shale slopes, developing major landslide in the open pit Şırnak open pit coal mining. The rock fallings endangered the mining safety in recent years. This research provided stability patterns and cementing method strengthening cracks. The stages of experimentation explored the geo-technical characteristics and geoological formation. Fort his aim, four different open pit mining areas with similar geotechnical conditions, two main strengthening methods, and patterns of researches were developed. Firstly, data on landslides and rock dynamics over explosions were followed, and secondly, as happened commonly in the past, the same geological, geomorphologic, hydrological, climatic conditions were taken. Anchorage pile strengthenıng of slopes and cementing falling stone blocks were performed by mixtures of melted waste plastics/asphalt and fly ash for stability of higher slopes over 120 m height and over 65 degree in asphaltite mining site in Silopi and Avgamasya open pit No.1 mining site in Şırnak were carried out. On the other hand, due to that creep style rock falling from top of slopes, those melted polymer cementing of anchorage bolting and cracks, to eliminate those falling failure types and features, will be advantageous. The unconditional expectations related to this study was also defined for this region, such as the influence of the ground water, rock cracks and slope design, and explosion exchange dynamics leading to landslide. GEO5 software and manual stability analysis showed high risk area for plotting.

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“…The degree of improvement in thermal insulation is found to vary with the added waste material and geometry of shredded-pieces [5]. This decrease is assumed to be caused by lack of reactivity between the plastic and the cement phases [10], likewise, the Young's modulus decreases significantly with the plastic addition [11]. Thus, with additions of plastic below 0.25%, and with plastics aggregates with high surface area (i. e. highly irregular geometries and small particle size) shown increases in the mechanical resistance of the material [6].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Mechanical Properties of Polyethylene-Portland Cement Composites

Rivas-Vázquez¹,

Suárez-Orduña

Valera-Zaragoza

et al. 2009

MRS Proc.

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The effects of waste polyethylene aggregate as admixture agent in Portland cement at different addition polyethylene/cement ratios from 0.0156 to 0.3903 were investigated. The reinforced samples were prepared according the ASTM C 150 Standard (samples of 5 x 5 x 5 cm). The reinforcing fibers were milling at a size of 1/25 in diameter, form waste and used them to evaluate the effects in mechanical properties in cement-based composites. The evaluation of polyethylene as additive was based on results of density and compression tests. The 28-day compressive strength of cement reforced with plastic waste at a replacement polyethylene/cement ratio of 0.0468 was 23.5 MPa compared to the control concrete (7.5 MPa). The density of cement replaced with polyethylene varies from 2.114 (0% polyethylene) to 1.83 g/cm 3 by the influence of polyethylene.

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Influence of a new type of additive on the performance of polymer-lightweight mortar composites

Cited by 26 publications

References 6 publications

The physical and chemical effects of long-term sulphuric acid exposure on hybrid modified cement mortar

The physical and chemical effects of long-term sulphuric acid exposure on hybrid modified cement mortar

Anchorage Pile Strengthening of Shale Slopes and Cementing Falling Stone Blocks by Mixture of Melted Waste Plastics/Asphalt and Fly Ash for Slope Stability in Asphaltite Open Pit Mining Site in Avgamasya, Şırnak

Preparation and Mechanical Properties of Polyethylene-Portland Cement Composites

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