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MATERIALS FOR FORMWORK

The Constructor

Steel: Steel is also used in pre-fabricated formwork. Purpose made steel forms are fabricated when dimensional tolerances are critical, or when the forms are planned to be re-used. Aluminium: Often used in pre-fabricated formwork, that is put together on site. waffle floors).

Materials 202
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5 Ways Leading Contractors Keep Their Clients Happy

Viewpoint Construction Technology

Along with software, leading contractors embrace technologies that speed efficiencies, such as pre-fabrication, drones and robotics. Streamlining processes like safety inspections, compliance and document management cut down on project risks and lead to happier clients. Avoid Negative Incidents.

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FORMWORK AND GOOD FORMWORK PROPERTIES

The Constructor

Its importance is evident when you consider that the cost of fabrication, erecting and striking the formwork, often exceeds the cost of the concrete it is designed to shape and support. Always inspect the formwork prior to pouring. GOOD FORMWORK: There are two factors that decide how well the concrete will look in the final result.

Concrete 223
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COMMON STRUCTURAL FAILURE CAUSES

The Constructor

2) poor communication between the fabricators and erectors. (3) The most common causes of structural failures are: (1) Poor communication between the various design professionals involved, e.g. engineers involved in conceptual design and those involved in the supervision of execution of works. (2)

Concrete 230
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POST TENSIONING IN REHABILITATION OF STRUCTURES

The Constructor

Reinforcement was fabricated and fixed along with post tensioned mono strands (encased in HDPE pipe) to profile. After fabricating and fixing shuttering in position, micro concrete encasement was carried out throughout the core holes in the slab. End anchors of post tensioned strands were fixed in position.

Concrete 213
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DEFLECTIONS IN DETERMINATE TRUSSES

The Constructor

The displacement can be computed as ……………. (1) In such cases, applying the principle of virtual work, ………………….2(a) 2(a) Where, = change in length of member k, = change in thermal expansion of member K = change in temperature.

Concrete 197
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FIXING OF PRECAST CLADDING

The Constructor

The metal should have good workability but also keep its strength during fabrication. The metal should normally be specified from standard widths and thickness. Non standard materials are difficult to purchase and also very expensive. Green part in the drawing represent restraint fixing and blue part as load bearing fixing.

Concrete 192