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REINFORCEMENT COVER AND PRE-CONCRETE CHECKS

The Constructor

From the diagram above, we can see how the process unfolds. When the binding has set, the steel bars are placed into position.

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PRE-CONCRETE CHECKS FOR FORMWORK & RELEASE AGENTS

The Constructor

Depending on how big or complicated the pour is, the inspection may just take few minutes or it could take hours. Only when the formwork has been approved, may the pour take place.

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INSPECTION OF A BRIDGE STRUCTURE - The Constructor

The Constructor

For instance, the concrete sub and superstructure should not need replacing during 120 year design life. The items that will need maintenance and or replacement include: Bearings Waterproofing membranes Road surfacing Movement joints Parapets The road surfacing will have to be replaced over long stretches of the carriageway.

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FORMWORK AND GOOD FORMWORK PROPERTIES

The Constructor

When concrete is fresh and in its liquid state it must be restrained within a mould in order for it to set in its required shape. A smooth outer surface provides the main support for the concrete as it sets. Formwork is the term used to describe this mould. For most in-situ pours, the formwork is made of wood.

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COMMON STRUCTURAL FAILURE CAUSES

The Constructor

8) inadequate preparation and review of contract and shop drawings. (9) Other common causes of structural failure are: (5) lack of appropriate professional design and construction experience, especially when novel structures are needed. (6) 6) complexity of codes and specifications leading to misinterpretation and misapplication. (7)

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What Is Micro Concrete | How to Apply Micro Concrete | What Are the Benefits of Micro Concrete | How Is Micro Concrete Used

CivilJungle

What Is Micro Concrete? Micro concrete is a cement-based coating that is used as a thin layer on different surfaces like tiles, wood, etc to give a look and feel of real concrete at less cost. The layer of micro concrete is about 2-3mm thick. How Is It Different from Conventional Concrete? Less Water Demand.

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FIXING OF PRECAST CLADDING

The Constructor

These fixings generally take the form of concrete nibs or metal (usually stainless steel) angles. Restraint fixings are designed to hold panels back and transfer all horizontal forces (such as wind pressure or suction) to the structure.

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