In: Civil Engineering
A rectangular channel 2 m wide has a bottom slope of
0.01 and a roughness
coefficient of 0.017. A sluice gate 2 m wide is located in the
channel. The sluice
gate has a contraction coefficient of 0.61 and a discharge
coefficient of 0.58. The
depth of water just upstream from the gate is 2 m. The depth of
water just
downstream from the gate is 0.5 m. Determine how far upstream from
the gate
the depth of water will be within 1% of the normal depth.
In: Civil Engineering
List and explain at least three assumptionsthat are
generally considered when using
vertical photographs to derive geometric information of the object
space.
In: Civil Engineering
After the description has been written, the litmus test to a good description is that closes.
True
False
A plat is required if at least one tract of the subdivision is five acres or less.
True
False
In: Civil Engineering
In: Civil Engineering
Using the rational method, determine the amount of runoff that
would occur for a paved parking lot that is 100m * 50m and is
uniformly sloped from one long edge to the other long edge at a
rate of 2%. The time of concentration for this parking is 4
minutes. The five-year storm with duration of 4 minutes has an
intensity of 10 mm/hr. The runoff coefficient for this parking lot
is 0.80.آ [Q=0.166 CIA]
The runoff from part (a) is to be contained in a trapezoidal
drainage ditch with the following properties: side slope = 2m
horizontal run for every 1 m rise, width of invert = 2m,
longitudinal slope = 0.005 m/m, and Manning's number = 0.08. If the
maximum permittedآ depth of water is 100 mm, using Manning's
equation for open channel flow, determine if the ditch will be able
to accommodate the flow in part (a).
In: Civil Engineering
You are to carry out a research using the internet and identify at least five different innovative ideas for intersection or road design to improve Road Safety and/or traffic flow. For each idea, provide a description of the idea, a photo or illustration of the design, where has it been used, advantages and disadvantages of the idea, and the source of the information (internet webpage/link will be sufficient).
In: Civil Engineering
In practicing their profession, engineers may cause safety and hazards to another party or environment as a result of their unprofessional practices. Explain and assess the legal implications of these professional negligence in the engineering practices.
In: Civil Engineering
Describe any laws, regulations or policies that relate to the efforts of ensuring and governing low cabon, plastic free and green environment in Malaysia. Decide whether the existing laws in Malaysia are sufficient to regulate various issues pertaining to low carbon, plastic free and green environment. If yes, please explain why you think so and if not, please suggest any practicable enhancements to the existing laws or national policies in order to better improve the enforcement.
In: Civil Engineering
Q.In case of f(F,p,D,V,Mu,g), express F as a function of other physical quantities through Buckingam-pi method.
In: Civil Engineering
Sandstone pore of 20 mm in diameter and 100 mm long
with porosity of 15% is prepared for
core flood experiment. The sandstone pore is fully (100%) saturated
with water by injecting
water with viscosity of 1cp at volumetric flow rate of 20 cubic
mm/sec. A pressure drop of 1
atm was recorded across the pore during the injection
process.
i. What is the absolute permeability of the sandstone pore sample
in mD?
ii. What is the pore volume of sandstone sample?
iii. The sandstone pore sample is flooded by oil with viscosity of
2 cp until
water saturation reaching to 25%. Calculate the oil volume inside
the pore
at the end of flood
In: Civil Engineering
Why did plantation labor transition from Amerindian and indentured labor to enslaved African labor? How did each labor system work? What products magnified labor systems?
In: Civil Engineering
Combine the following aggregates in the right proportions to produce a blend with the given target gradation.
Sieve size (mm) |
CA7 % Passing |
Washed Sand % Passing |
Dry Sand & Passing |
% Passing Target |
19.00 |
100 |
100 |
100 |
100.0 |
12.50 |
98.8 |
100 |
100 |
100.0 |
9.50 |
62.1 |
100 |
100 |
93.0 |
4.75 |
2.1 |
98.1 |
100 |
62.0 |
2.36 |
0 |
81 |
99 |
45.0 |
1.18 |
0 |
69.9 |
80.7 |
35.0 |
0.60 |
0 |
50.6 |
59.9 |
25.0 |
0.30 |
0 |
20.7 |
40 |
15.0 |
0.150 |
0 |
5.1 |
24.2 |
9.0 |
0.075 |
0 |
1.9 |
17.2 |
4.0 |
In: Civil Engineering
A capped pile group consisting a rectangular grid of 7 by 3 spanning a total length of, 7.1 m in length. Piles are of size 400 mm diameter and spaced at 1.8 m interval. The soil profile at the site consists of 2.5 m of sand followed by clay soil below. Drive Method construction method would be used. Field and laboratory data on the soil profile indicates top layer shear strength of N = 25. Average and strength for bottom layer are Cu = 265 kPa and Cu = 290 kPa. Adhesion factor between soil and pile is 0.9. Would you recommend using the piles as a group or singles?
Part A: Show your working for the following
Pile Group Design
Part B: Show your working for the following
Single Pile Design
In: Civil Engineering
In: Civil Engineering