WHAT IS CONCRETE?

What is ConcreteIn its simplest form, concrete is a mixture of paste (cement & water) and aggregates (sand & stone). The paste coats the surface of the fine (sand) and coarse (stone) aggregates and binds them together into a rock like mass known as concrete. In addition to paste and aggregates, concrete may also contain highly specialized chemical admixtures that enhance the specific properties of concrete. Chemical admixtures are used to improve both the workability and/or the durability of concrete.

Within this process lies the key to a remarkable trait of concrete: it is plastic and can be molded or formed into any shape when newly mixed, and is strong and durable when hardened. These qualities explain why concrete is a primary building material throughout the world that is used to construct everything from skyscrapers, bridges, highways and dams to sidewalks, curbs, patios and houses.

What Are The Keys To A Successful Project?

The key to achieving a strong, durable concrete for your projects
are as follows:

  • Utilizing high quality raw materials
  • Ordering the proper concrete for the application
  • Skillful placement and finishing
  • Following proper curing practices and protecting the concrete

The First Step:

The first step in any concrete project is utilizing high quality raw materials. All members of the Ready Mixed Concrete Association of Ontario (RMCAO) utilize only raw materials that meet CSA standards for concrete production (visit www.rmcao.org for a list of local concrete producers).

The Second Step:

Being aware of the minimum concrete specifications required for your concrete application. In Ontario, these requirements are dictated by the Ontario Building Code and CSA A23.1 – Concrete Materials and Methods of Concrete Construction. You should be aware of these minimum requirements and you should ask your contractor what they propose to use for your project. If they suggest anything less than these standards, or if they don’t know what the minimum requirements are, you should find another contractor.

The Third Step:

in the process is hiring a quality contractor to complete the work. You should use a contractor that has been trained to an industry certification standard such as the ACI Flatwork Finishers Certification Course and ask for a list of previous projects and references. Make sure to visit projects that have gone through at least two winters and look for any signs of deterioration.

The Final And Most Important Step:

To ensure that your contractor follows proper curing practices and cures the concrete effectively. 7 days of curing is recommend for all exterior concrete flatwork and 3 days of curing is required for all other concrete. Failure to complete this step properly will negate all of the good work done during the previous steps. Care must also be taken to maintain and protect your concrete investment. Avoid the use of eicing chemical during the first 12 months and consider the application of concrete sealers to further protect the concrete.

 

PART  2 - What is Entrainment?



 

 

WHAT IS CONCRETE?

What is ConcreteIn its simplest form, concrete is a mixture of paste (cement & water) and aggregates (sand & stone). The paste coats the surface of the fine (sand) and coarse (stone) aggregates and binds them together into a rock like mass known as concrete. In addition to paste and aggregates, concrete may also contain highly specialized chemical admixtures that enhance the specific properties of concrete. Chemical admixtures are used to improve both the workability and/or the durability of concrete.

Within this process lies the key to a remarkable trait of concrete: it is plastic and can be molded or formed into any shape when newly mixed, and is strong and durable when hardened. These qualities explain why concrete is a primary building material throughout the world that is used to construct everything from skyscrapers, bridges, highways and dams to sidewalks, curbs, patios and houses.

What Are The Keys To A Successful Project?

The key to achieving a strong, durable concrete for your projects
are as follows:

  • Utilizing high quality raw materials
  • Ordering the proper concrete for the application
  • Skillful placement and finishing
  • Following proper curing practices and protecting the concrete

The First Step:

The first step in any concrete project is utilizing high quality raw materials. All members of the Ready Mixed Concrete Association of Ontario (RMCAO) utilize only raw materials that meet CSA standards for concrete production (visit www.rmcao.org for a list of local concrete producers).

The Second Step:

Being aware of the minimum concrete specifications required for your concrete application. In Ontario, these requirements are dictated by the Ontario Building Code and CSA A23.1 – Concrete Materials and Methods of Concrete Construction. You should be aware of these minimum requirements and you should ask your contractor what they propose to use for your project. If they suggest anything less than these standards, or if they don’t know what the minimum requirements are, you should find another contractor.

The Third Step:

in the process is hiring a quality contractor to complete the work. You should use a contractor that has been trained to an industry certification standard such as the ACI Flatwork Finishers Certification Course and ask for a list of previous projects and references. Make sure to visit projects that have gone through at least two winters and look for any signs of deterioration.

The Final And Most Important Step:

To ensure that your contractor follows proper curing practices and cures the concrete effectively. 7 days of curing is recommend for all exterior concrete flatwork and 3 days of curing is required for all other concrete. Failure to complete this step properly will negate all of the good work done during the previous steps. Care must also be taken to maintain and protect your concrete investment. Avoid the use of eicing chemical during the first 12 months and consider the application of concrete sealers to further protect the concrete.

 

PART  2 - What is Entrainment?

 

 


WHAT IS CONCRETE?

What is Concrete

In its simplest form, concrete is a mixture of paste (cement & water) and aggregates (sand & stone). The paste coats the surface of the fine (sand) and coarse (stone) aggregates and binds them together into a rock like mass known as concrete. In addition to paste and aggregates, concrete may also contain highly specialized chemical admixtures that enhance the specific properties of concrete. Chemical admixtures are used to improve both the workability and/or the durability of concrete.

Within this process lies the key to a remarkable trait of concrete: it is plastic and can be molded or formed into any shape when newly mixed, and is strong and durable when hardened. These qualities explain why concrete is a primary building material throughout the world that is used to construct everything from skyscrapers, bridges, highways and dams to sidewalks, curbs, patios and houses.

What Are The Keys To A Successful Project?

The key to achieving a strong, durable concrete for your projects
are as follows:

  • Utilizing high quality raw materials
  • Ordering the proper concrete for the application
  • Skillful placement and finishing
  • Following proper curing practices and protecting the concrete

The First Step:

The first step in any concrete project is utilizing high quality raw materials. All members of the Ready Mixed Concrete Association of Ontario (RMCAO) utilize only raw materials that meet CSA standards for concrete production (visit www.rmcao.org for a list of local concrete producers).

The Second Step:

Being aware of the minimum concrete specifications required for your concrete application. In Ontario, these requirements are dictated by the Ontario Building Code and CSA A23.1 – Concrete Materials and Methods of Concrete Construction. You should be aware of these minimum requirements and you should ask your contractor what they propose to use for your project. If they suggest anything less than these standards, or if they don’t know what the minimum requirements are, you should find another contractor.

The Third Step:

in the process is hiring a quality contractor to complete the work. You should use a contractor that has been trained to an industry certification standard such as the ACI Flatwork Finishers Certification Course and ask for a list of previous projects and references. Make sure to visit projects that have gone through at least two winters and look for any signs of deterioration.

The Final And Most Important Step:

To ensure that your contractor follows proper curing practices and cures the concrete effectively. 7 days of curing is recommend for all exterior concrete flatwork and 3 days of curing is required for all other concrete. Failure to complete this step properly will negate all of the good work done during the previous steps. Care must also be taken to maintain and protect your concrete investment. Avoid the use of eicing chemical during the first 12 months and consider the application of concrete sealers to further protect the concrete.

PART  2 - What is Entrainment?



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