How to Select the Construction Plant?

construction plant

Selection of the Construction Plant The selection of plant is usually straightforward but the following points are relevant.  1- Cost a- Hire rate Take all factors into account if you are offered alternatives. What are the extras to the basic rate? For operated plant, these can include overtime, bonus and subsistence. Are fuel and lubricants included …

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Loads on Falsework and Formwork

Formwork

Loads on Falsework and Formwork Falsework and formwork shall be designed to carry all the loads that they will be subjected to till the time when the permanent structure they support gains sufficient strength to be self-supporting. Examples of these loads are dead loads (e.g. fresh concrete^, scaffolds, forms, etc.), live loads (e.g. workmen, equipment, …

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Lumber Formwork

Formwork

Lumber Formwork The general term lumber refers to both “Dimension lumber” and “Timber”. Dimension lumber means a piece of lumber 38 to 102 mm inclusive in smaller dimension. Timber means a piece of lumber 114 mm or more in smaller dimension. Almost all formwork, regardless of its type, uses some wood. Although the wood species, grades and …

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Desirable Properties of Plaster

plastering

Desirable Properties of Plaster 1-Introduction Portland cement plaster must have certain properties in both the fresh and hardened state to allow proper application and long-term service. A properly mixed plaster can be either hand or machine applied. Freshly mixed plaster should have good adhesion and cohesion characteristics and should remain workable long enough to obtain …

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Portland Cement Plaster Materials

plastering

1-Introduction Materials should comply with building codes and job specifications. Packaged materials should be labeled properly, indicating the manufacturer, brand name, and recommendations for use. Packaged materials that might be damaged by moisture should be protected. Proprietary or specialty plaster should be mixed in accordance with the manufacturer’s recommendations. 2-Cements The cement may consist of …

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Construction Process of RC Column

concrete pouring

Construction Process of RC Column Reinforced Concrete column is a structural member of RC frame structured building. It’s a vertical member which transfers loads from slab and beam directly to subsequent soil. A whole building stands on columns. Most of the building failure happens due to column failure. And most of the column failure happens …

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Causes of Formwork Failures

formwork failure

Causes of Formwork Failures Failure of formwork in general results from various causes: excessive loads, premature removal of forms or shores, inadequacies related to formwork, and human error on the job, whether due to indifference, haste, or lack of knowledge. Hadipriono and Wang (1986) studied the causes of 85 major falsework failures that have been …

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Types of Formwork

Formwork

In this article named “Types of Formwork”, the different types of formworks are reviewed: foundation, wall, column, beam, ceiling. Types of Formwork Foundation Formwork Foundation formworks can be designed in various ways. Basically there is a difference between formwork for individual foundations, normally designed as socket foundations, and formwork for strip foundations. The type of …

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