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Why fibers are used in concrete?
to increase the strength of the material and decrease the weight of the material
What is the ratio of steel in concrete?
As per the civil engineering thumb rule, weight of steel for one cubic meter of concrete is 100kgs to 130 kgs for normal structures
What is the Density of concrete?
Density of normal concrete is in the order of about 2400 kg. per cubic metre. The densityof light-weight concrete will be less than about density 1900 kg per cubic metre.The high density concrete have unit weight ranging from about 3360 kg percubic metre to 3840 kg per cubic metre.
Wet concrete weight?
weight of hardened concrete + 100 kgf/m3
Why is reinforced concrete better than normall concrete?
reinforced concrete is better than unreinforced concrete for one major reason. concrete is an extremely strong material when it is put under pressure. however, when tension forces are introduced it will tend to fail without reinforcement. short answer: unreinforced concrete will handle a lot of weight, but it is very brittle. source: carpenter
What is the difference between a normal weight concrete and a lightweight concrete by volume?
The main difference between normal weight concrete and lightweight concrete by volume is the density of the aggregate used in the mix. Normal weight concrete contains aggregate with a density around 2400 kg/m3, while lightweight concrete uses lightweight aggregate such as expanded clay, shale, or shale to reduce the overall density of the concrete. The reduced density of lightweight concrete makes it more suitable for applications where weight is a concern, such as in construction of high-rise buildings or for insulation purposes.
Why fibers are used in concrete?
to increase the strength of the material and decrease the weight of the material
What is the wet unit weight of concrete?
unit weight= weight/volume.unit weight of normal concrete = 24 MPaIt is also known as density of concrete
Why was the tower bridge made from concrete?
It is cheap, it is strong, it is reliable, it is versatile and it is simple and easy to use. In short, there is the perfect building material.
What was the long lasting light weight building material the Romans invented?
Pumice stone mixed with concrete.
What is Siporex light weight materials?
Siporex is a lightweight, autoclaved, aerated concrete which is a completely cured, inert and stable form of calcium silicate hydrate. It is a structural material, approximately one quarter the weight of conventional concrete, composed of minute calls which give the material light weight and high thermal insulation properties.
What is the weight of a concrete truck?
Normal weight concrete weighs about 4000 lb. per cubic yard. Lightweight concrete weighs about 3000 lb. per cubic yard. If a truck is carrying 10 cubic yards, then the weight of the concrete is approximately 40,000 lb. The truck will weigh approximately 26,000 lb. for a total of 66,000 lb.
What is the ratio of steel in concrete?
As per the civil engineering thumb rule, weight of steel for one cubic meter of concrete is 100kgs to 130 kgs for normal structures
Why doesn't normal force Fn depend on the cup material used?
The normal force depends on the weight of the object pressing down on the cup, not the material of the cup itself. The material might affect how the cup distributes the normal force, but it doesn't directly influence the magnitude of the normal force.
What is the Density of concrete?
Density of normal concrete is in the order of about 2400 kg. per cubic metre. The densityof light-weight concrete will be less than about density 1900 kg per cubic metre.The high density concrete have unit weight ranging from about 3360 kg percubic metre to 3840 kg per cubic metre.
Wet concrete weight?
weight of hardened concrete + 100 kgf/m3
What is a pre cast concrete?
Precast concrete is a construction element made of that material and finished before its installation in the building frame. The mix of concrete must be cast or scaffolded until it gets enough strengh to handle and support own weight.
