Stability of soft clay soil stabilised with recycled ...

We are not allowed to display external PDFs yet. You will be redirected to the full text document in the repository in a few seconds, if not click here.click here.

Durability of soft clay soil stabilized with recycled ...

2013-2-1 · The recycled Bassanite used in this research was produced from gypsum plasterboard waste. More details about the production of recycled Bassanite from gypsum plasterboard waste can be found in previous works (Ahmed et al., 2010, Ahmed et al., 2011a, Kamei et al., 2007) brief, air-dried gypsum plasterboard waste was brought from some landfill sites in Japan and then pulverized to obtain the ...

Recycling | Free Full-Text | Drywall (Gyproc Plasterboard ...

Synthetic gypsum, flue gas desulphurisation (FGD) gypsum, produced by FGD systems on coal-fired power plants, is a strong competitor for recycled gypsum. On an average, the production rate of FGD gypsum in Canada between years 2009 to 2011 was about 276,000 tonnes.

Use of recycled gypsum in road foundation construction

2016-3-9 · Use of recycled gypsum in road foundation construction Research into the feasibility of using waste plasterboard gypsum in combination with a range of mineral wastes (blast furnace slag, cement kiln dust, cement bypass dust and power station run-of-station ash) in road bases, sub-bases and stabilised sub-grades

Geotechnical properties of peat soil stabilised with ...

2019-1-26 · gypsum is somewhat ineffective. Therefore, new ... increasingly being recycled and civil engineering projects are among the popular destinations (Hong & ... The procedures for making the stabilised soil admixtures and preparing test specimens followed Hebib & …

Stability of soft clay soil stabilised with recycled gypsum in a …

2014-6-1 · The recycled gypsum (B) was produced from gypsum waste plasterboards by heating under a temperature ranging from 140 to 160 °C for a certain time tails on the production of recycled gypsum from gypsum waste plasterboards have been provided in previous works (Ahmed et al., 2011c, Kamei et al., 2007).The process of recycled gypsum production was done by crushing gypsum waste to powder …

Compost Products | Envirofert | Composting Gypsum Experts

Gypsum can be safely applied to pasture and horticultural crops to provide a reliable source of Calcium and Sulphate Sulphur to support plant growth. Calcium is an important component in cell wall strength and function, while Sulphur is an important nutrient in plant growth. Gypsum does not alter pH of the soil.

2019-8-28 · Brouwers'' group investigates and develops building materials composed of cement, gypsum, lime and cementitious by-products, such as concrete, functionalised materials and stabilised waste. Fundamental physical and chemical know-how, e.g. on (de-) hydration reactions, physical transport phenomena, thermal behaviour, multiscale analysis, and durability are researched experimentally ...

Soil Carbon Sequestration Utilising Recycled Organics

2017-10-12 · 2.3 recycled organics and their characteristics 7 ... model do not include inputs of stabilised organic carbon as composted products. • Increases in levels of soil carbon through the use of RO on agricultural land is a complex and long term process, with only a …

gypsum stabilised clay dam liner | REGYP

2013-1-18 · Gypsum is used to stabilise dispersive soils on dam embankments so that both surface erosion and potential tunnelling and piping failures are reduced. A fine-grained gypsum is preferable because it is more soluble. Piping or tunnelling occur through a dam wall or embankment when water seeps along a line of weakness (ie crack in dry

Stability of soft clay soil stabilised with recycled ...

Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): https://doi /10.1016/j.sand... (external link)

Plasterboard and Gypsum Waste in a Novel Cementitious ...

2012-10-13 · recycled gypsum and mineral wastes required to achieve the highest compressive strength. Initial trials were carried out on waste mixes for binder paste (i.e. a mixture of ... To construct a 300mm layer of stabilised soil using 50% novel binder, first 150 mm of soil

Putman Groep | Quality as an underlying principle | Recycling

Gypsum/gas concrete; Garden Waste Waste wood recycling. With its decades of knowledge in the acceptance of timber waste flows, Putman is an important regional player in the waste timber market. Putman recycles the following timber flow intro semi-finished products in the chipboard industry or secondary fuels in biomass power station: Clean ...

Use of recycled gypsum in road foundation construction ...

One area of its work is to develop markets for the materials from plasterboard recycling (recycled gypsum and reclaimed paper). This project examined the feasibility of using plasterboard gypsum in combination with a range of mineral wastes in road bases, sub-bases and stabilised sub-grades.

Development Of Guide Specifications For Recycled ...

2008-7-25 · recycled aggregates compared to conventional aggregates arise mainly from relatively porous and less dense residual mortar lumps or particles adhering to the surfaces of original natural aggregate particles. The specific gravity of coarse recycled aggregate ranges from 2.2 to 2.5, which is slightly lower than that of conventional aggregates.

Investigation on the Deterioration Mechanism of Recycled ...

2018-4-2 · The deterioration mechanism of recycled plaster (R-P) was studied. The large specific surface area (SSA), improper preparation temperature, increased water requirement of R-P, and microstructure of its hardened body were analyzed by particle size distribution (PSD), Blaine method, differential scanning calorimetry (DSC), scanning electron microscopy (SEM), and nitrogen adsorption porosimetry.

Stability of soft clay soil stabilised with recycled ...

The recycled gypsum was mixed with cement and lime in different ratios in the dry state, and different amounts of admixtures were mixed with the tested soil to explore the effect of the wet environment on the stability and durability of the stabilised gypsum–clay soil. Cylindrical stabilised soil specimens were cured for 3, 7, and 28 days and ...

Stability of soft clay soil stabilised with recycled ...

Regarding weathering conditions, the durability of soil stabilised with recycled gypsum against the actions of freeze-thaw, wet-dry, and soaking was investigated, and reasonable results were ...

Plasterboard and gypsum waste in a novel cementitious ...

Gypsum is a key component in cementitious products and comes from a range of natural and synthetic sources as a by-product of industrial processes. Alternatively, recycled gypsum from waste plasterboard also has the potential to be used in cements.

Gypsum for slope stabilisation | REGYP

The application of recycled gypsum has been successfully shown to benefit slope stabilisation. The results of these UK trials indicate that the application of recycled gypsum at between 2 and 4 kg/m2 aids the stability of soils on slopes – both on clay and sandy textured material. At the highest rate tested (10 kg/m2), there was no […]

Hydraulically Bound Mixtures

Materials for hydraulically bound mixtures for pavement construction including cement, gypsum, lime, pozzolanic materials, granulated blast-furnace slag, fly ash, hydraulic slags, air-cooled steel slag, clays treated with slag or fly ash, coal fly ash, steel slag and flushing …

Geotechnical properties of peat soil stabilised with ...

2019-1-26 · stabilised if they are to bear constructions such as buildings or roads. In this study we investigated the performance of waste tyre chips (10 % by weight) and sand (400 kg m-3) supplemented with a pozzolanic binder (gypsum, lime or cement) at a range of dosages (5 %, 10 % or 15 % by weight) as a stabiliser for peat soil.

Stabilisation of soft soil with recycled plaster ...

2018-2-1 · Recycled plaster, mixed with cement or lime at different ratios was used as a stabiliser for tested soil. Atterberg limits, scanning electron microscopy, x-ray diffraction, compressive strength, and secant moduli tests were conducted to evaluate the improvement in stabilised soil properties.

Use of recycled gypsum in road foundation construction

2019-11-5 · Use of recycled gypsum in road foundation construction Research into the feasibility of using waste plasterboard gypsum in combination with a range of mineral wastes (blast furnace slag, cement kiln dust, cement bypass dust and power station run-of-station ash) in road bases, sub-bases and stabilised sub-grades

Strength and Durability of Soft Clay Stabilized with ...

Article. Strength and Durability of Soft Clay Stabilized with Recycled Gypsum (Bassanite) February 2021; Advances in Civil Engineering Materials 10(1):20190154

Grindability, grading and wettability of recycled plaster ...

2016-10-12 · Ahmed A, Ugai K. Environmental effects on durability of soil stabilized with recycled gypsum[J]. Cold Regions Science & Technology, 2011, 66(2): 84–92. Article Google Scholar [14] Kamei T, Ahmed A, Shibi T. Effect of freeze-thaw cycles on durability and strength of very soft clay soil stabilised with recycled bassanite[J].

Recycling Waste Gypsum in Soil Stabilization Applications

2016-6-6 · gypsum has a cementation property that makes it possible to achieve adequate bonding between the soil particles, which thereby increases the strength of the stabilised soil. The recycled gypsum produced from gypsum wastes has been utilised in soil stabilisation and road construction projects in Japan and other countries (Kamei et al. 2013a,

Utilization of Recycled Tiles and Tyres in Stabilization ...

2018-4-10 · Tile waste is found in several forms including manufacturing slurry, manufacturing dust, and solid pieces from cracked, smashed, and rejected tiles at the construction sites. Worn out tyres that are no longer safe to be used by vehicles are either discarded or burned, adversely impacting natural ecosystems. These wastes are non-degradable and have a direct environmental impact. Poor waste ...

A novel solidification technique for fluorine-contaminated ...

2014-4-20 · Ahmed A, Ugai K (2011) Environmental effects on durability of soil stabilized with recycled gypsum. J Cold Reg Sci Technol 66(2–3):84–92. Article Google Scholar 24. Kamei T, Ahmed A, Shibi T (2012) Effect of freeze-thaw cycles on durability and strength …

hak cipta © 2007- AMC | peta situs