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What are refractory bricks and mention it’s types?
What is the benefit of smaller dia steel instead of larger dia steel in slab and beam?
Having smaller diameter rebar distributed throughout the structure also distributes the load from the concrete to the steel more effectively as there is a greater area of contact for adhesion between the two.
Having smaller diameter rebar distributed throughout the structure also distributes the load from the concrete to the steel more effectively as there is a greater area of contact for adhesion between the two.
See lessTop and Bottom both faces have all sides are different lengths and height is constant.
Place bricks on one top of the other around the concrete shape you want to find its volume. First, choose a rectangular shape around the object and then going to the object. Then place a sufficiently large sheet of polythene in the space around the concrete object for covering the mold. Then take aRead more
Place bricks on one top of the other around the concrete shape you want to find its volume.
First, choose a rectangular shape around the object and then going to the object.
Then place a sufficiently large sheet of polythene in the space around the concrete object for covering the mold.
Then take a standard bucket of 25-liter capacity and then slightly pour water within the polythene most do formed. Keep a count of the buckets of water poured till it overflows at the top of the brick wall.
Measure the inside dimension and depth of the rectangular moat.
See lessWhich type of reinforcement are used in pre-stressing?
What is a triaxial test? Why it is significant to know soil property? and which type of property?
Triaxial test ; The triaxial test is one of the most versatile and widely performed tests in the geotechnical laboratory. It allows shear strength and stiffness of soil and rock to be determined for use in geotechnical design. - Procedure of triaxial test :- The triaxial test typically involves subjRead more
The triaxial test is one of the most versatile and widely performed tests in the geotechnical laboratory. It allows shear strength and stiffness of soil and rock to be determined for use in geotechnical design.
– Procedure of triaxial test :-
The triaxial test typically involves subjecting a cylindrical specimen of soil, whose diameter ranges from 38mm to 100mm, into a cell that can be pressurized. Most of the specimens have an approximate 2:1 height to dia ratio and are sealed with a rubber membrane. The specimen preparation generally depends upon the type of soil. Cohesive soil samples are prepared directly from saturated compacted samples, either undisturbed or remolded. The specimen for cohesion-less soil is prepared with the help of the mold that maintains the required shape of the specimen.
And then the specimen is vertically covered with a thin rubber membrane and placed between two rigid ends inside a pressure chamber. The upper plate can move vertically and apply vertical stresses to the specimen. The axial stress/strain of the sample is controlled by the movement of this vertical axis. The water pressure surrounding the sample in the pressure chamber controls the confining pressure. Also, the volume change of the sample is controlled by measuring the exact volume of moving water.
There are three primary triaxial test carried out in a laboratory, depending upon the combination of loading and drainage condition ;
Triaxial test is significant to know soil property because it determines the ability of soil to resist shear stress and strain. Different combination of confining and axial stresses can be applied. Drained and undrained test can be carried out. The types of properties of soil which can be known by triaxial test are followed ;
What are the reasons of Building Collapse?
I will provide you a list which causes the building to collapse. Defective building design Faulty construction & More extra loads Failure of foundation Unexpected failure mode Soil liquefaction Demolition through explosives Earthquake Tsunami Typhoon and winds with high speed. Landslides or settRead more
I will provide you a list which causes the building to collapse.
- Defective building design
- Faulty construction & More extra loads
- Failure of foundation
- Unexpected failure mode
- Soil liquefaction
- Demolition through explosives
- Earthquake
- Tsunami
- Typhoon and winds with high speed.
- Landslides or settlement of Sub-base soil due to over drainage.
- Soil with less bearing capacity.
- Errors in structural design.
- Inferior quality of cement and integrants is used.
- Use after the expiry of the life of buildings.
- Maintenance not done properly.
- Proper Foundation not provided.
- Less amount of reinforcement provided.
- Reinforcement corroded.
Thank You.
See lessWhat is piping technology for termite treatment in building?
How to Calculate the Area of formwork required for a Beam? Calculate the area of the formwork required for a beam of 2 m span and cross-section dimension of 400 mm x 200 mm?
Formwork shall be measured in square metres as the actual surfaces in contact with the concrete The formwork or shuttering quantity for the member is measured as per the code of BIS - IS 1200:1982, Part 5- Method of Measurement of Building and Civil Engineering Works. For Column follow the process 1Read more
Formwork shall be measured in square metres as the actual surfaces in contact with the concrete
The formwork or shuttering quantity for the member is measured as per the code of BIS – IS 1200:1982, Part 5- Method of Measurement of Building and Civil Engineering Works.
For Column follow the process
1. Measure the four sides of column at base or in cross-section.
2. Calculate the perimeter of column base.
3. Measure the Colum height.
4. Multiply the perimeter of base and height of column to give the shuttering area of column.
Or other way, add all 4 sides and multiply it by height of column.
For Beam follow the process
1. Take the cross-section of beam and measure the lengths of the two sides and base of beam.
2. Sum the three measurements.
3. Measure the span of the beam
4. Multiply the span length by sum of the three measurements (beam base two vertical sides) gives the shuttering area of beam.
The top side in cross-section of beam is not considered as it will be part of beam.
Or the other way, add the beam height(2 sides) and beam base and multiply it by beam length.
Other important factors to be considered while picking the shuttering quantities.
Answer:
Calculation:
Cross section I terms of metres (400 200 mm) = 0.4
0.2 m
Width and depth are given in cross section
Area of the framework = (2 0.4
2) + (2
0.4
0.2) + (2
0.2)
= 2.14
Result:
The area of the formwork is = 2.14 .
nikeetasharma
A fire brick, firebrick, or refractory is a block of ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces. A refractory brick is built primarily to withstand high temperature, but will also usually have a low thermal conductivity for greater energy efficiency. There are mainlyRead more
A fire brick, firebrick, or refractory is a block of ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces. A refractory brick is built primarily to withstand high temperature, but will also usually have a low thermal conductivity for greater energy efficiency.
There are mainly three varieties of refractory bricks;
a) Acid Refractories
i. Ordinary Fire Bricks
ii. Silica Bricks
iii. Ganister Bricks
b) Basic Refractories
i. Magnesite Bricks
ii. Dolomite Bricks
iii. Bauxite Bricks
c) Neutral Refractories
See lessi. Chromite Bricks
ii. Carborundum
iii. Chrome Magnesite Bricks
iv. Spinal Bricks
v. Forsterite Bricks