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Effect of sludge water from ready-mixed concrete plant on
Besides the increasing disposal cost, sludge water, a wastewater washout from ready-mixed concrete plant, has caused environmental impact problems. This paper investigates the utilization and recycling of sludge water as mixing water for concrete production. The basic properties of sludge water were obtained according to ASTM standards.
Effect of sludge water from ready-mixed concrete plant on
May 01, 2006· Mixing water: Tap water and sludge water (SW) obtained from a ready-mixed concrete plant in Thailand were used in this study. The process for preparing the sludge water samples started from transferring the sludge water consisting of both clear sludge water and sediments from the sedimentation pond to the preparation pond.
(PDF) Effects of Sludge Water from Ready-Mixed Concrete
Effects of Sludge Water from Ready-Mixed Concrete Plant on Concrete Containing Admixtures
Effect of sludge water from ready-mixed concrete plant on
Request PDF Effect of sludge water from ready-mixed concrete plant on properties and durability of concrete Besides the increasing disposal cost, sludge water, a wastewater washout from ready
Use of ready-mixed concrete plant sludge water in concrete
The use of sludge water in the concrete mix tended to reduce the effect of both fly ash and superplasticizer. Sludge water with a total solids content of less than 6% is suitable for use in the production of concrete with acceptable strength and durability. PMID: 19231063 [Indexed for MEDLINE] Publication Types: Research Support, Non-U.S. Gov't
Use of ready-mixed concrete plant sludge water in concrete
In this study, we investigated the feasibility of using sludge water from a ready-mixed concrete plant as mixing water in concrete containing either fly ash as an additive or a superplasticizer admixture based on sulfonated naphthalene-formaldehyde condensates (SNF). The chemical and physical properties of the sludge water and the dry sludge were investigated.
Use of ready-mixed concrete plant sludge water in concrete
The use of sludge water in the concrete mix tended to reduce the effect of both fly ash and superplasticizer. Sludge water with a total solids content of less than 6% is suitable for use in the production of concrete with acceptable strength and durability.
Ready-Mixed Concrete Plant: Analysis of Sludge Formed
Ready-Mixed concrete plant operations are large consumers of water. Sludge water is the waste wash water from concrete mixing plants and agitator trucks. Approximately 200 litres of water are used to produce one cubic meter of concrete from a central batch plant. The figure from a truck mix plant is higher, at 300 litres.
(PDF) Reuse of waste water from ready-mixed concrete plants
In order to determine the effect of partial or complete replacement of mixing water with waste sludge water from the concrete plant in the production of cement composites, laboratory tests of
Effect of Water Treatment Sludge in Concrete Product
Effect of water treatment sludge in concrete In this work to determine the effect of water treatment sludge as a partial replacement of fine aggregate, the concrete cubes are made. The compressive strength of cubes at 7 days and at 28 days is determined. The bulk density and water absorption of cubes is also measured. Size of specimen
STUDIES ON THE EFFECTIVE USE OF CONCRETE SLUDGE -SLUDGE
It was found that concrete sludge has no harmful effects on hardened concrete, although the dosage has sometimes to be limited to about 10% of the cement content because high content of concrete sludge significantly increases the demand of mixing water Keywords: Ready-mixed concrete, Waste water, Returned and surplus concrete, Concrete sludge
The effect on slurry water as a fresh water replacement in
Jun 28, 2016· Concrete is the most widely used engineering material in the world and one of the largest water consuming industries. Consequently, the concrete manufacturer, ready mixed concrete
Feasibility Study of the Use of Concrete Sludge As
Oct 10, 2015· This study aims to examine the use of concrete sludge from water treatment installations of ready-mixed concrete plants as an alternative raw material for portland clinker kilns, and to enumerate possible limitations. By its extensive and representative collection of concrete sludge samples data, it may also be used for other investigations.
Reuse of waste water from ready‐mixed concrete plants
Jan 04, 2011· Design/methodology/approach Samples of waste water from several points of a water recycling process from a ready‐mixed concrete plant were examined for their chemical properties (Cl ‐, SO 4 2‐, alkalies, total solids, pH) and compared with the specifications applied for concrete mixing water.Also samples of dry sludge powder from the water‐recycling process tank were taken and
JPH10296714A Reusing method of ready-mixed concrete
(57) [Summary] [Purpose] In addition to reusing all components in wastewater obtained from equipment with ready-mixed concrete, when using sludge water for kneading fresh concrete, not only the solid content concentration but also cement Grasp the degree of activity and improve the reliability of product management. [Structure] After washing the device to which the ready-mixed concrete is
Feasibility Study of the Use of Concrete Sludge As
Abstract: This study aims to examine the use of concrete sludge from water treatment installations of ready-mixed concrete plants as an alternative raw material for portland clinker kilns, and to enumerate possible limitations. By its extensive and representative collection of concrete sludge samples data, it may also be used for other
Reuse of By-Products from Ready-Mixed Concrete Plants
Sludge water from ready-mixed concrete plants as well as dry sludge, which is derived from the settling of the water, are hazardous for disposal due to their high pH value (pH>11.5). In this work, cement mortars were composed using either sludge water after various treatment, or dry sludge
Effects of Water Quality on Strength Properties of Concrete
May 17, 2019· Effect of Sludge Water from Ready- Mixed Concrete Plant on Properties and Durability of Concrete, Elsevier, Cement and Concrete Composities, 28(5):441-450. [12]
Method for Estimating Quantity of Non-Hydrated Cement in a
cement in sludge water rapidly, it would be possible to use the cement in the sludge water occurring in ready-mixed-concrete factories effectively and this could reduce the environmental load. Figure 2 shows the effect of Mg(NO3)2.6H2O on the heat of hydration properties of sludge water
Abstract of Revision for JIS A 5308 (Ready-mixed Concrete)
Keywords: JIS A 5308 (Ready-mixed Concrete), recycled aggregate for concrete-class H, sludge water, adhesion mortar, ready-mixed concrete delivery statement, weighing records
(PDF) Potential uses of Waste Sludge in Construction
The 28-day compressive strength of water, but sludge water has an adverse effect on drying concrete cubes with 10% sludge ash in cement was shrinkage and resistance to acid attack of concrete. about the same of ordinary concrete, but when sludge Al-Ghusain and Terro (2003) evaluate the usage of ash increase up to 40%, the strength drops by 50%.
Adding more water to ready-mixed concrete Hanson UK
Effects of 10 more litres to a cubic metreWe often get customers who insist we add more water to the concrete on site, so before we do we advise them on it and if they insist we get them to sign for more water.If you ask the driver to add 10 more litres of water to a cubic metre of properly designed concrete: you increase the slump by about 20mmyou reduce the compressive strength by as much as
The Utilization of a Combination of Recycled Rubber from
The mixing water was replaced with waste sludge water from a concrete plant in the amounts of 25% and 50%. The designed cement composite formulas were subjected to the test of their physical and mechanical characteristics in order to determine the properties when using a combination of recycled rubber and waste sludge water from a concrete plant.
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The use of sludge water in the concrete mix tended to reduce the effect of both fly ash and superplasticizer. Sludge water with a total solids content of less than 6% is suitable for use in the production of concrete with acceptable strength and durability.
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