The arclength of the curve r(t) = 2 cos3 (πt/2), 2 sin3 (πt/2), 1, between the points r = (2, 0, 1) and r = (0, 2, 1), is given by?
In: Civil Engineering
. Explain how cyclical decoration can be implemented at the Boulevard Tower in Muscat Hills.
The answer should include a brief description of:
i. Cyclical decoration.
ii. The relevance of cyclical decoration to the building.
iii. The items to be replaced. iv. The procedure to be carried out.
In: Civil Engineering
Ex if std no: 1abcde, 161667 (a=6, b=1, c=6, d=6,
e=7)
In my case std 174702
Q1) Design a concrete mix by using ACI Method of Mix Design having
28-day characteristic mean strength of 2a MPa for a deck of a
residential building at Nebraska. Dry weather and gradually warming
temperatures may be expected throughout the working week. Fresh
concrete composed of a slump of 90 mm and maximum aggregate size of
25 mm. Determine the amount of water reducing admixture to be used
for 0.2b % and 0.c5 %. Deck is a flat surface capable of supporting
weight, similar to a floor, but typically constructed outdoors,
often elevated from the ground, and usually connected to a
building. Decks that need piers or footings must have them
installed below the frost line. This will keep the piers from
heaving up out of the ground from the strength of the freeze.
Reinforcing steel will help keep the piers from cracking. The
freeze or frost line is the depth to which the soil freezes or has
been known to freeze at some point in the past. It is absolutely
critical that the foundations of buildings extend below this point
in a soil profile. Except for a few arid locations, soils typically
contain water and this water expands approximately nine percent in
volume when it freezes. The frost line depth is not consistent
around the nation because there is such a dramatic difference in
climate from state to state. Deck is composed of 2.5 cm
reinforcement and there is no need for piers. The material
properties are as follows:
For Coarse aggregate: SSD bulk specific gravity: 2.75, absorption
capacity = 1.5 %, total moisture: 2.5 %, Dry-rodded unit weight:
15de kg/m3.
For Fine aggregate: SSD bulk specific gravity: 2.65, absorption
capacity = 1.0 %, surface moisture: 3 %, F.M: 2.6.
Cement: Type V, Sp.Gravity: 3.23
Probability constant: 1.22 and standard deviation: 2 MPa
In: Civil Engineering
Ex if std no: 1abcde, 161667 (a=6, b=1, c=6, d=6,
e=7)
In my case std 174702
Q2) Determine the mix ingredients for the mixture proportions given
below by using BS Method of Mix Design. 28-day target strength is
computed as 3a MPa and Probability constant: 2.bc and standard
deviation: 4.d MPa. Maximum aggregate size is 25 mm and Fineness
Modulus is 2.70, Slump: 7e mm
For Coarse Aggregate (Crushed): SSD Bulk Specific Gravity: 2.80,
Absorption Capacity: 1.b %, Total Moisture: 1.c % and Dry Rodded
Unit Weight: 1347 kg/m3.
For Fine Aggregate (Crushed) : (Zone 3) SSD Bulk Specific Gravity:
2.70, : Absorption Capacity: 1.d % and Total Moisture: 1.e %.
Cement: Type III, Specific Gravity: 3.02
In: Civil Engineering
State types of Mughal gardens along with their landscape planning citing examples
In: Civil Engineering
Discuss the planning feature of garden at industrial estate.
In: Civil Engineering
what is Design criteria of Wall, fences and screen?
In: Civil Engineering
Discuss the main types of containers used for storage of solid wastes, together with their disadvantages
In: Civil Engineering
How do you come up with the budgetary cost for the project for example health clinic and convenience outlet?
In: Civil Engineering
You are being asked to obtain the length of a vertical curve for the following situation: The location having the vertical curve is aligned under a crossroads at station 199 + 20. The bottom elevation was measured as 158 m above sea level. The PI station is located at 200 + 00 with road centerline elevation of 150 m. The vertical curve is located at the intersection of the tangents with grades -2.5% and 1.5%. The clear distance between the road surface and the overhead structure should be 5.75m. If we know that in five years the road surface will be overlaid with a 100 mm asphalt concrete pavement layer, what should be the length of the curve to allow sufficient clearance now and after five years of service.
In: Civil Engineering
Write down the methods in a sustainable solid waste management hierarchy. List the methods from the most to the least preferred option. Describe briefly each method indicating clearly the differences between them.
In: Civil Engineering
• derive the equations for tensile stresses in the
bottom of steel for
a. superposion beam
b. composite beam
• tell the differeces between them
• how the RC deck is composited with the steel beam?
In: Civil Engineering
Q2. a. In the construction of a residential building, Explain
the five different types of glasses used in the fixing of the
windows and doors. [5]
b. HCT – Muscat will be planning to construct a building near main
block, in this building to add the DPC in the above the ground
level. 1. Write the name of the materials used for the DPC in
ground level. [1]
2. Explain the provision of DPC in above question a neat sketch and
label its parts. [4]
c. Write any five difference between Ordinary Portland Cement and
Pozzolana Portland Cement.
In: Civil Engineering
In: Civil Engineering
explain the type of absorbent materials in term of its function ,where best to be used, advantages, disadvantage ? for the materials below
1-Hair felt
2-Acoustic
3-Acoustical tiles
4-Straw board
5-Pulp boards
6-Compressed fiber board
7-Compressed wood particle board
8-Perforated plywood
9-Wood wool board
10-Quilts & mats
In: Civil Engineering