Causes of Formwork Failures

Causes of Formwork Failures

 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. Hadipnono and Wang (1986) studied the causes of 85 major falsework failures that have been documented …

Read More

Formwork Materials

Formwork

Formwork materials can be classified as: 1. Timber 2. Metals 3. Plastics 1.Timber a. Lumber: Lumber is commonly available material and has excellent strength, weight and cost factor. Lumber is classified as: • Boards: 1 to 1.5 inches thick, 2 or more inches width • Dimensions: 2 to 4 inch thick, any width. • Timbers: …

Read More

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 …

Read More

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 …

Read More