• Opening Hrs

    Mon-Sat: 9.00am to 6.00pm
  • Address

    Pudong, Shanghai, China
  • Helpline:0086-21-58386258

Leave a Reply

18-August

Concrete Fibermesh Vs. Rebar | Hunker

Jul 17, 2017· Concrete has a high, compressive strength meaning it can withstand vertical forces. However, concrete is a very brittle substance and possess a low tensile strength or resistance to horizontal forces such as expansion or contraction. To increase tensile strength, concrete can be reinforced with Fibermesh or rebar.

Read More
18-August

How to Make Concrete: 13 Steps (with Pictures) wikiHow

Nov 14, 2019· How to Make Concrete. Concrete is a building material that's comprised of fine and coarse materials bound together with cement. If you need to do improvements on your home, you may want to make some concrete yourself. To create your own...

Read More
18-August

How to Mix Portland Mortar: 5 Steps (with Pictures) wikiHow

Oct 16, 2019· How to Mix Portland Mortar. Portland cement mortar, simply known as cement mortar, is a mixture of Portland cement, sand, and water (plus additives, if any). It is the most common mixture used today for making mortar, a workable paste that...

Read More
18-August

Simple Ways to Mix Mortar for Laying Tile (with Pictures)

Jun 05, 2019· How to Mix Mortar for Laying Tile. Mortar is a blend of water, cement, sand, and additives mixed into a strong but sticky adhesive. It is used in all kinds of masonry, such as for holding brick, stone, and even tile together. Tile work...

Read More
18-August

Rapid Hardening Cement| Concrete Construction Magazine

Portland cement concrete is prone to drying shrinkage cracking. It is susceptible to attack by sulphates and has an undesirable reaction with certain aggregates (ASR). Generally, when one accelerates the gain in strength of portland cement concrete through finer grinding or chemical additives, there is a significant increase in drying shrinkage.

Read More
18-August

Mortar (masonry) Wikipedia

Mortar is a workable paste which dries to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, and sometimes to add decorative colors or patterns to masonry walls. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud word "mortar" comes from Latin mortarium meaning crushed.

Read More
18-August

Top 20 global cement companies

Dec 17, 2012· To coincide with the release of the Global Cement Directory 2013, Global Cement Magazine has taken a closer look at cement companies around the world, comparing capacities to analyse the development of the global cement market. Through this analysis we have determined the Top 20 global cement companies and those close behind.

Read More
18-August

Types of Chemical Admixtures The Concrete Network

Mineral admixtures affect the nature of the hardened concrete through hydraulic or pozzolanic activity. Pozzolans are cementitious materials and include natural pozzolans (such as the volcanic ash used in Roman concrete), fly ash and silica fume. They can be used with Portland cement, or blended cement either individually or in combinations.

Read More
18-August

How to Mix Cement: 11 Steps (with Pictures) wikiHow

Mar 29, 2019· How to Mix Cement. Whenever a project calls for a hard, permanent binding material, most professional and independent builders use cement. Before using cement, you need to mix it with sand and stone. While this process can seem...

Read More
18-August

Concrete Simple English Wikipedia, the free encyclopedia

Concrete is as old as 5600 BC. It was not invented by Romans, but much used by them. Some kinds of concrete are waterproof, and some kinds even set underwater. Additives. There are many additives to make concrete set faster, set slower, set stronger, reduce corrosion and so on.

Read More
18-August

Admixtures in concrete Designing Buildings Wiki

Admixtures in concrete Designing Buildings Wiki Share your construction industry knowledge. An admixture is a substance which can be added to concrete to achieve or modify its properties. Admixtures are added to the concrete, in addition to cement, water and aggregate, typically immediately before or during the mixing process.

Read More
18-August
18-August

Chemical Admixtures

Waterreducing admixtures usually reduce the required water content for a concrete mixture by about 5 to 10 percent. Consequently, concrete containing a waterreducing admixture needs less water to reach a required slump than untreated concrete. The treated concrete can have a lower watercement ratio.

Read More
18-August

Master Builders Solutions Construction Products from BASF

Master Builders Solutions by BASF includes concrete admixtures, concrete protection and repair, flooring, grouting, sealants, waterproofing, air and waterresistive barriers, and underground construction products. Cookies help us deliver our services. By using our services, you agree to our use of cookies. ...

Read More
18-August

Difference Between Additives and Admixtures – Difference Wiki

Jul 21, 2019· Additives may be food additives or any other substance that is added to something in the small quantities to improve or preserve it. Admixtures are the components added to a concrete mixture while mixing process. Additives are mixed with cement. Admixtures are mixed with the concrete. Additives have a different time for mixing in cement.

Read More
18-August

PEH:Cementing PetroWiki

Cement manufactured to API depth and temperature requirements can be purchased in most oilproducing areas of the world. Any properly made Portland cement (consistent from batch to batch) can be used at temperatures up to 570°F. For example, Class H cement with the proper additives has routinely been used at depths up to 20,000 ft.

Read More
18-August

Polymer Concrete | Article about Polymer Concrete by The ...

Cement concrete with polymer additives is called polymercement or cementpolymer concrete. In this form of concrete, the polymer is only a component added to improve the properties of the product. Polymers are added to the concrete mix in the form of aqueous …

Read More
18-August

Types of Admixtures of Concrete Cement | Chemical, Mineral

A material other than water, aggregates, or cement that is used as an ingredient of concrete or mortar to control setting and early hardening, workability, or to provide additional cementing properties. Admixtures are generally used to alter the properties of concrete (such as increased workability or reduced water content, acceleration or retardation of setting time,

Read More
18-August

How to calculate the density of concrete with additive Quora

With admixture you mean? Or with fly ash and other additives like that? Any density is calculated in the same way: weight/volume. In order to obtain the density of the mix, you have to multiply the density of each component by its quantity: quanti...

Read More
18-August

Cement slurry fluidlosscontrol additives (FLAs) PetroWiki

Concrete dust released by building demolition and natural disasters can be a major source of dangerous air pollution. The presence of some substances in concrete, including useful and unwanted additives, can cause health concerns due to toxicity and (usually naturally occurring) radioactivity.

Read More
18-August

Hycrete, Inc.

With our worldclass field service, waterproof concrete becomes waterproof construction, membranefree. Finally, all of our sustainable concrete admixtures are Cradle to Cradle CM Certified Gold, the highest standard for positive environmental impact in building materials. The result is green concrete, with enhanced concrete durability.

Read More
18-August

FIBERMESH | Concrete Solutions by Sika

FIBERMESH | Concrete Solutions by Sika. 14869. ... Superior concrete, all the way down to the way you finish. Learn More. Ready Mix. We are ready to help you with your ready mix. Learn More. Owner. Our superior concrete solutions will save you time and money.

Read More
18-August

Crystalline Concrete Waterproofing | Xypex

This process precipitates a chemical reaction between Xypex, moisture and the byproducts of cement hydration, forming a new nonsoluble crystalline structure. This integral structure fills the capillary tracts rendering the concrete waterproof. Thus came about Xypex concrete waterproofing products.

Read More
18-August

Concrete Wikipedia

Well cementing is the process of introducing cement to the annular space between the wellbore and casing or to the annular space between two successive casing strings. Personnel who conduct this job are called "Cementers".

Read More
18-August

How Cement Is Made

Cement is so fine that 1 pound of cement contains 150 billion grains. The cement is now ready for transport to readymix concrete companies to be used in a variety of construction projects. Although the dry process is the most modern and popular way to manufacture cement, some kilns in the United States use a wet process.

Read More
18-August

Concrete Accelerators Definition, Examples and Effects ...

Accelerating Admixture an admixture that causes an increase in the rate of hydration of the hydraulic cement and thus shortens the time of setting, increases the rate of strength development, or both. Accelerating admixtures are added to concrete either to increase the rate of early strength development or to shorten the time of setting, or both.

Read More
18-August

Seven MustUse Concrete Admixtures (Additives)

Nov 20, 2019· Set retarding concrete admixtures are used to delay the chemical reaction that takes place when the concrete starts the setting process. These types of concrete admixtures are commonly used to reduce the effect of high temperatures that could produce a faster initial setting of concrete.

Read More
18-August

8 Main Cement Ingredients Their Functions Civil ...

Cement, as a binding material, is a very important building material. Almost every construction work requires cement. Therefore, the composition of cement is a matter of great interest to engineers. For understanding cement composition, one must know the functionality of Cement ingredients.

Read More
18-August

Cement slurry extenders PetroWiki

In comparison with other additives, pozzolanic materials are usually added in large volumes. Fly ash, for example, can be mixed with cement in ratios of fly ash to cement that range from 20:80 to 80:20, based on an “equivalent sack” weight (that is, where a sack of fly ash has the same absolute volume as that of a sack of cement).

Read More
18-August

Binder (material) Wikipedia

A binder or binding agent is any material or substance that holds or draws other materials together to form a cohesive whole mechanically, chemically, by adhesion or cohesion.. In a more narrow sense, binders are liquid or doughlike substances that harden by a chemical or physical process and bind fibres, filler powder and other particles added into it.

Read More
18-August

Use of Water Reducers, Retarders, and Superplasticizer

WRA has been used primarily in hot weather concrete placing, pumping, and tremie. Careful concrete placement is required, as the initial setting time of concrete will take place an hour earlier. It is also shown that the use of WRA will give a higher initial concrete compressive strength (up to 28 days) by 10% compared to the control mixture.

Read More
18-August

Cement slurry fluidlosscontrol additives (FLAs) PetroWiki

Factors affecting the use of fluidlosscontrol additives (FLA) Neat cement slurries normally exhibit an uncontrolled API fluid loss of at least 1,500 cm 3 /30 min. This value is excessive for most cementing operations, where permeable formations are encountered or where long columns of cement will be used.

Read More
18-August

HighStrength Concrete

It would be difficult to produce highstrength concrete mixtures without using chemical admixtures. A common practice is to use a superplasticizer in combination with a waterreducing retarder. The superplasticizer gives the concrete adequate workability at low watercement ratios, leading to concrete with greater strength.

Read More