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Trending: The Rise of Prefab and Modular Commercial Construction Techniques

HardHatChat

can have a positive impact on a construction project’s schedule and budget. Not all that long ago, when I was still a young laborer in the field, many items such as millwork, ductwork and mechanical components were still frequently fabricated on the job site. Back then, many “old timers” predicted prefabrication was the future.

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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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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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Download Bar Bending Schedule Of Box Culvert

Construction Cost Estimating

Definition of Bar bending schedule(BBS) Bar bending schedule alias schedule of bars refers to a list of reinforcement bars, a specified RCC work item that is shown in a tabular form for a smooth view. While generating bar schedules, it is important to take proper care about length.

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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