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water cement ratios

Deterministic Model on Concrete Density from Local 3/8 Gravel Influenced by Variation of Water Cement Ratios and Curing Age

Deterministic Model on Concrete Density from Local 3/8 Gravel Influenced by Variation of Water Cement Ratios and Curing Age

... different water cement ratio and curing age, the heterogeneity of these densities from the predictive values are through variation from these porosity and mix proportions, water cement ...

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Limiting water-cement ratios for concrete under various exposure conditions.

Limiting water-cement ratios for concrete under various exposure conditions.

... Two m i x e r s w ere u s e d , one s m a l l one f o r u s e i n p r e l i m i n a r y s t u d i e s and o n e f o r t h e m ain programme. The s m a l l e r m ix e r was a H obart m o d e l N -50 i n a c c o r d a n c ...

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Effect of W/C Ratio on Workability and Mechanical Properties of High Strength Self Compacting Concrete (M70 Grade)

Effect of W/C Ratio on Workability and Mechanical Properties of High Strength Self Compacting Concrete (M70 Grade)

... W/C ratios. Proportions of GGBS, Super plasticizers and water binder ratios are different and proportions of Cement, Micro Silica, VMA, Coarse aggregate and Fine aggregate are constant for ...

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Application of Deterministic Model to Predict Compressive Strength of Locally Occurring 3/8 Gravel Concrete at Different Water Cement Ratio and Curing Age

Application of Deterministic Model to Predict Compressive Strength of Locally Occurring 3/8 Gravel Concrete at Different Water Cement Ratio and Curing Age

... of cement used in a mix, grading of aggregates, maximum nominal size, shape and surface texture of aggregate [2] more so the applications of water/cement ratios, degree of compaction [2] the ...

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Compatibility of Superplasticizer BS Futura PCX 107 with PPC Cement for M35 Grade of Concrete

Compatibility of Superplasticizer BS Futura PCX 107 with PPC Cement for M35 Grade of Concrete

... Use of BS FUTURA PCX ensures that same high quality of concrete is maintained that is designed and specified from batch ing plant to placement on site. BS FUTURA PCX allows ready mix units to deliver high quality ...

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Corrosion Evaluation of the Welded Zone between Carbon Steel and Stainless Steel Embedded in Concrete and Exposed to a Marine-Like Environment

Corrosion Evaluation of the Welded Zone between Carbon Steel and Stainless Steel Embedded in Concrete and Exposed to a Marine-Like Environment

... As shown Table 2, 615 carbon steel and 304L stainless steel rods with chemical compositions (with the diameter and length of 12.7 mm and 200 mm, respectively) were used for the tests. The welded rods were prepared with ...

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An Evaluation of Properties of Cement Mortar with Rice Husk Ash as Replacement to Cement

An Evaluation of Properties of Cement Mortar with Rice Husk Ash as Replacement to Cement

... The water cement ratios required to achieve desired consistency for 1:5 mortar with various percentages of RHA have been arrived at using flow table ...the water cement ratio required ...

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An evolutionary approach to modelling concrete degradation due to sulphuric acid attack

An evolutionary approach to modelling concrete degradation due to sulphuric acid attack

... o n 78 different concrete mixtures including different cement types, different water/cement ratios and various admixtures subject to sulphuric acid attack.. The concrete samples wer[r] ...

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Variation of Opc-Rice Husk Ash-Saw Dust Ash Composites Strength with Water-Cement Ratio

Variation of Opc-Rice Husk Ash-Saw Dust Ash Composites Strength with Water-Cement Ratio

... six water/cement ratios of ...proportions. Water was then added gradually and the entire concrete, sandcrete, or soilcrete heap was mixed thoroughly to ensure ...by water sprinkling ...

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Splitting Tensile Strength of Lightweight Foamed Concrete with Polypropylene Fiber

Splitting Tensile Strength of Lightweight Foamed Concrete with Polypropylene Fiber

... different water-cement ratios (w/c) range from ...c/s ratios, the concrete specimens were tested with splitting tensile test to determine the effects of PP to the tensile strength of the ...

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An Experimental Study On Partial Replacement For Coarse Aggregate By Granite Waste.

An Experimental Study On Partial Replacement For Coarse Aggregate By Granite Waste.

... In developing countries where concrete is widely used, the high and steadily increasing cost of concrete has made construction very expensive. This coupled with deleterious effect of concrete production on the ...

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Simulation and Development of Instrumental Setup to Be Used for Cement Grouting of Sand Soil

Simulation and Development of Instrumental Setup to Be Used for Cement Grouting of Sand Soil

... Many techniques have been introduced in grouting technology. Mixing in place is one of the most common technique and has shown to be very effective method for construction of soil-cement piles in place. Additive ...

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Effect of Nano-SiO2, Nano-TiO2 and Nano-Al2O3 Addition on Fluid Loss in Oil-Well Cement Slurry

Effect of Nano-SiO2, Nano-TiO2 and Nano-Al2O3 Addition on Fluid Loss in Oil-Well Cement Slurry

... on water filtration in oil-well cement slurry was ...of water filtrate collected was measured in milliliter (mL) at 30 min after the test ...in cement, and its performance varies with ...

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Design of High Strength Concrete Mixes M60 and Investigation of its Strength Parameter

Design of High Strength Concrete Mixes M60 and Investigation of its Strength Parameter

... Out of the various methods of mix design, some of them are not very widely used these days because of some difficulties or drawbacks in the procedures for arriving at the satisfactory proportions. The ACI committee 211 ...

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Study on Geopolymer Concrete using GGBS

Study on Geopolymer Concrete using GGBS

... replacing cement by Ground Granulated Blast furnace Slag(GGBS) shows decrease at lesser percentages of replacement of 10% and ...of cement with ...of cement is replaced with ...Portland ...

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Experimental Study of Cement - Sandstone/Shale - Brine - CO2Interactions

Experimental Study of Cement - Sandstone/Shale - Brine - CO2Interactions

... mass balance reactions were corrected for pressure. This introduces an error of about ± 0.1 log K. pH was estimated from the forward model simulations. The B-dot ion inter- action model was used to approximate the ...

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THE STUDY OF WATER RESISTANCE OF THE SOIL-CEMENT

THE STUDY OF WATER RESISTANCE OF THE SOIL-CEMENT

... − За допомогою пристрою для швидкого визначення водонепроникності бетонів доведено, що ґрунтоцементні елементи, які утворюються в результаті закріплення ґрунтів за бурозмішувальною техно[r] ...

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... of cement content on the performance of Self-Compacting Concrete (SCC) containing 10% of fly ash of cement ...constant water-cement ratio, increase in superplasticizer dose in SCC leads to ...

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Feasibility of Water Containing Metal Ions as Mixing Water in Cement Mortar

Feasibility of Water Containing Metal Ions as Mixing Water in Cement Mortar

... de-ionized water as mixing water in concrete as per IS ...the water mixed with metal chlorides in quantity specified by CPCB for the bullion ...the water is increased by 50 times to the ...

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The temperature effect on portland cement strength

The temperature effect on portland cement strength

... Portland cement was investigated in this experiment. This type of Portland cement was used a binder in manufacturing heavy concretes possessing high performance ...g water and ...The ...

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