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Additivity effects in the rheology of fresh concrete

Additivity effects in the rheology of fresh concrete containing water-reducing admixtures Article in Construction and Building Materials 25(6):2955–2960 · June 2011 with 34 Reads DOI: 10.1016/j ...

In-situ investigation of superplasticizers: From

Concrete is the world's most important building material and with about 15 billion m 3, calculated with an annual cement production of 4.2 billion tons in 2016 [], by far the most human made product on earth.In the last decades, special concretes have bee

NF-A high concentration of superplasticizer

NF-A high concentration of superplasticizer is a high performance concrete admixture processed and purified from naphthalene superplasticizer, in addition to having all , ...

Polycarboxylate Ether Factory, Custom Polycarboxylate

2019-8-2 · Looking for polycarboxylate ether factory direct sale? You can buy factory price polycarboxylate ether from a great list of reliable China polycarboxylate ether manufacturers, suppliers, traders or plants verified by a third-party inspector. So

EFFECT OF SODIUM HYDROXIDE CONCENTRATION ON

2013-3-6 · effect of sodium hydroxide concentration on the fresh properties and compressive strength of self-compacting geopolymer concrete (SCGC). The experiments were conducted by varying the concentration of sodium hydroxide from 8 M to 14 M. Test meth

Use of Water Reducers, Retarders, and Superplasticizer

2000-3-30 · The use of superplasticizers may produce high strength concrete (compressive strength up to 22,000 psi). Superplasticizers can also be utilized in producing flowing concrete used in a heavy reinforced structure with inaccessible areas. Require

(PDF) The Influence of Dosing Method and Material

PDF | This paper examines the influence of dosing method and material characteristic of superabsorbent polymers (SAP) used for internal curing, on the selected concrete properties. A new method of ...

SICOMA low cost and high concentraction of concrete

2019-7-5 · 120m³/h Concrete Batching Plant. HZS120 is a large and medium-sized concrete mixing plant made by Camelway, suits for mixing dry hard, half dry hard, plastic, and other ratios of concrete with features of high production efficiency, high mixing

How Super Are Superplasticizers?| Concrete Construction

1982-5-1 · A superplasticizer is not a cure-all admixture; it has its own problems, which must be taken into account. Nonetheless, dramatic transformation of stiff concrete into flowing concrete by adding superplasticizer instead of water may be the most

Dosage of Superplasticizers - civil-engg-world.com

2019-9-2 · The effectiveness of a given dosage of a superplasticizer depends on the water/cement ratio of the mix. Specifically, at a given dosage of the superplasticizers, the percentage water reduction which maintains a constant workability is much high

Selection of Superplasticizers for High-Performance Concrete

2017-12-8 · Cement and Superplasticizer Reactivity and Compatibility. It is clearly impossible to explain the minute details about the working of superplasticizers. But among many problems, the most faced issue is the slump-loss problem which is observed

Materials | Free Full-Text | The Influence of Dosing

2018-8-7 · This paper examines the influence of dosing method and material characteristic of superabsorbent polymers (SAP) used for internal curing, on the selected concrete properties. A new method of introducing SAP into the concrete mix and its impact

EP2218686A1 - Google Patents

Prior art keywords composition arsenic cerium rare earth oxidation state Prior art date 2003-01-29 Legal status (The legal status is an assumption and is not a legal conclusion. G

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Influence of superplasticizer dosage on the viscosity of

Influence of superplasticizer dosage on the viscosity of cement paste with low water-binder ratio Article in Construction and Building Materials 149:359-366 · September 2017 with 175 Reads

Study on the Compatibility between Naphthalene-Based

Concrete admixture has become one of essential components of the high performance concrete in recent years; however, the quality of high performance concrete fluctuates according to the compatibility between cement and admixture it used. Considering lower