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Portland Cement

Response of Different Types of Cement & Partial Replacement of Portland cement with Fly Ash & GGBS in concrete against Phosphoric Acid Attack.

Response of Different Types of Cement & Partial Replacement of Portland cement with Fly Ash & GGBS in concrete against Phosphoric Acid Attack.

... with Portland Cement (CEM-I) are high as compared to other mix M3 & M4 with Portland Composite cement (CEM-II /A-M & CEM-II /B-M) & also with mix M5, M6 & M7 where partial ...

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Hydration of Portland Cement in the Presence of Highly Reactive Metakaolin

Hydration of Portland Cement in the Presence of Highly Reactive Metakaolin

... by Portland cement are transformed into Q 2 (1Al) with the participation of the aluminum ions issued by ...and cement into silicon species of C-S-H is ...

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Evaluation the Solidification/Stabilization of Heavy Metals by Portland Cement

Evaluation the Solidification/Stabilization of Heavy Metals by Portland Cement

... ordinary cement paste mixing procedure ASTM ...narily Portland cement type (A) listed in Table ...the cement was prepared as a fraction of the weight of the sand, as 7%, 15%, 25% weight of 1 ...

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Assessment of the Qualities of Dangote and Elephant (Portland) Cement Brands commonly used in the Nigerian Construction Industry

Assessment of the Qualities of Dangote and Elephant (Portland) Cement Brands commonly used in the Nigerian Construction Industry

... used Portland cements in the Nigerian Construction Industry and generally especially in the South-West zone where this study was carried ...two cement brands, Dangote and Elephant using a sampling fraction ...

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SIGNIFICANCE OF MARBLE AND PORTLAND CEMENT

SIGNIFICANCE OF MARBLE AND PORTLAND CEMENT

... to cement industry include lower cost of cement production and lower greenhouse gas emission per tonne of cement ...enable cement industries to take benefits of carbon ...of cement and ...

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The temperature effect on portland cement strength

The temperature effect on portland cement strength

... 42.5B Portland cement was investigated in this ...of Portland cement was used a binder in manufacturing heavy concretes possessing high performance ...of Portland cement ...of ...

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Sulphuric Acid Durability Studies of Concrete with Portland Cement (CEM I), Portland Composite Cement of different Types (CEM II/A M &CEM II/B M) & Partial Replacement of Portland Cement with different Types of Pozzolonic Materials

Sulphuric Acid Durability Studies of Concrete with Portland Cement (CEM I), Portland Composite Cement of different Types (CEM II/A M &CEM II/B M) & Partial Replacement of Portland Cement with different Types of Pozzolonic Materials

... of Portland cement has severely affected as compared to other mixes & at the same time mix with Portland composite cement of type CEM-II/B-M shows more durable against Sulphuric acid ...

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In-situ curing mechanism of Portland cement

In-situ curing mechanism of Portland cement

... Virtual Cement and Concrete Testing Laboratory (VCCTL) [1, ...of Portland cement can be determined by the dissolution, growth, the intermediate phase suppression and the formation of final products ...

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Studies on the Effect of Additives on the Strength of Ordinary Portland Cement

Studies on the Effect of Additives on the Strength of Ordinary Portland Cement

... Slag cement does not contain carbon and will not cause fluctuation in air ...slag cement to get highest flexural strength varies depending on the specific mix design and constituents ...slag cement ...

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The Response of Portland Cement Concrete to High Temperatures

The Response of Portland Cement Concrete to High Temperatures

... Considering unsealed concrete, the addition of pozzolans at above normal ratios (40% fly ash) can give strengths the same as unheated after short term exposure to 400°C, Poon et al. (2001) and Xu et al. (2001). Similar ...

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Recycling of Kotah Stone Quarry Waste and Manufacturing Normal Portland Cement: A Conceptual Technology of Future

Recycling of Kotah Stone Quarry Waste and Manufacturing Normal Portland Cement: A Conceptual Technology of Future

... Ordinary Portland Cement of 53% grade. ACC Madukkarai cement plant had conducted beneficiation studies in 2004-17 on its low grade limestone containing 43℅ CaO and 18℅Silica to use the concentrate as ...

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Abstract The raw materials for Portland cement production

Abstract The raw materials for Portland cement production

... Cement quality is typically assessed by its compressive strength development in mortar and ...Al-Mergheb cement plant, (Alahlia Cement Company at ...

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Stabilization of granular road base material using Portland Cement, Lime-Flyash, and Sodium Chloride.

Stabilization of granular road base material using Portland Cement, Lime-Flyash, and Sodium Chloride.

... Soil cement continues to increase in strength with increasing age in a manner similar to concrete. British research indicates that for normal reacting soils the relation between strength and logarithm of age is ...

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Dimensional changes of hydrated portland cement paste and mortar due to slow cooling and warming.

Dimensional changes of hydrated portland cement paste and mortar due to slow cooling and warming.

... DISCUSSION OP TEST RESULTS - AIR ENTRAINED PASTE The benefit of air was clearly established for a cooling warming cycle of 5°F/hr. Negative residuals (observed for all mixes in this prog­ ramme) may have been due to ...

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Pore Structure of Calcium Sulfoaluminate Paste and Durability of Concrete in Freeze–Thaw Environment

Pore Structure of Calcium Sulfoaluminate Paste and Durability of Concrete in Freeze–Thaw Environment

... and portland cement pastes with cement-to-water ratio (w/c) of ...CSA cement pastes, whereas a bimodal distribution was established for the portland cement pastes through ...

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Diffusion of Chlorides in Pozzolanic Concrete made with High-absorption Aggregates Exposed under Tropical Marine Environment

Diffusion of Chlorides in Pozzolanic Concrete made with High-absorption Aggregates Exposed under Tropical Marine Environment

... of cement were employed: ordinary Portland cement and pozzolanic ...ordinary Portland cement specimens compared with the pozzolanic cement specimens, and high enough to onset ...

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Review of Investigating the strength, Alkali Aggregate reaction and influence of elevated temperature in cement mortar contains Granite powder

Review of Investigating the strength, Alkali Aggregate reaction and influence of elevated temperature in cement mortar contains Granite powder

... in Cement mortar Production can be achieved by innovations in substitutions of materials ...in cement mortar and concrete making will leads to greener ...for cement to achieve economy and environment ...

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Sustainable Construction – High Performance Concrete Pavements using Blended Cements

Sustainable Construction – High Performance Concrete Pavements using Blended Cements

... ash, Portland cement, natural aggregates and ...with Portland cement has proved to improve cement strength as well as durability however its use in high performance concrete pavements ...

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Effect of Calcined Phosphogypsum in Portland Pozzolana Cement Concrete

Effect of Calcined Phosphogypsum in Portland Pozzolana Cement Concrete

... of cement PG could be used as a substitute of natural gypsum in the production of Portland cement to control the hydration reaction rate of ...of cement, environmental pollution associated ...

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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 ...ordinary ...

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