Civil Engineering Forum

Formwork Materials

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

Information for Ordering Concrete

TeamCivil Concrete, Construction, Materials

Information for Ordering Concrete When ordering pre-mixed concrete, you will need to tell the supplier: Name and address for delivery The use of the concrete (i.e. driveway, housing slab, commercial) The amount you need in cubic

Carbonation and Corrosion

TeamCivil Concrete, Durability

Carbonation is the term used to describe the effect of carbon dioxide on a material. The phenomenon rarely leads to structural problems but carbonation-induced corrosion can lead to unsightly spalling on structures. The repair costs,

Concrete Aggregates: Effects and Classification

TeamCivil Concrete, Materials

Aggregates: Effects and Classification Aggregates constitute a skeleton of concrete. Approximately three-quarters of the volume of conventional concrete is occupied by aggregate. It is inevitable that a constituent occupying such a large percentage of the

Rodded Unit Weight of Coarse Aggregates Test (ASTM C29)

TeamCivil Concrete, Tests

Rodded Unit Weight of Coarse Aggregates according to Astm C29 PURPOSE Astm C29: Determination of the unit weight of coarse aggregates in a compacted condition. This test method is applicable to aggregates not exceeding 15

How to Select the Construction Plant?

TeamCivil Construction

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

Concrete in Compression (ACI 318)

TeamCivil Concrete, Concrete Design, Properties, Structural

Concrete in Compression It is generally accepted that the behavior of a reinforced concrete member under load depends on the stress–strain relationship of the materials, as well as the type of stress to which it is

Concrete in Tension: Tensile Strength of Concrete

TeamCivil Concrete, Concrete Design, Properties, Structural

Concrete in Tension: Tensile Strength of Concrete The tensile and compressive strengths of concrete are not proportional, and an increase in compressive strength is accompanied by an appreciably smaller percentage increase in tensile strength. According