Question
In: Civil Engineering
Include the following test result and discussion: The specific gravities and weight proportions for aggregates and...
Include the following test result and discussion:
The specific gravities and weight proportions for aggregates and bitumen at certain asphalt content are given in the table below, assuming the asphalt absorption is zero. Find the air voids, volume of the bitumen, voids in mineral aggregates, and the voids filled with asphalt. Weight of the sample in the water is 1470 gm.
| Component | Coarse aggregate | Fine aggregate | Filters | Bitumen |
| Weight (gm) | 2030 | 320 | 150 | 100 |
| Specific gravity | 2.55 | 2.45 | 2.44 | 1.05 |
Solutions
Ally Wells answered 1 year agoRelated Solutions
Mix the aggregates given the results of sieve analysis test in Table 1 in appropriate proportions,...
Mix the aggregates given the results of sieve analysis test in
Table 1 in appropriate proportions, show the granulometry curves of
each aggregate and mixture in Figure 2, calculate the fineness
modulus (FM) of the mixture.
Sieve
Size
(mm)
31,5
16
8
4
2
1
0,5
0,25
A1(Passing)
%P1
100
90
85
55
10
0
0
0
A2
(Retained,
g)
0
0
0
0
200
300
200
100
A3(100-%P3)
0
60
95
100
100
100
100
100
Combine the following aggregates in the right proportions to produce a blend with the given target...
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...
CIVIL ENGINEERING AGGREGATE TEST LAB REPORT (ESSAY) 2.3 Specific Gravity for Fine Aggregates 2.3.1 Objective 2.3.2...
CIVIL ENGINEERING AGGREGATE TEST LAB REPORT (ESSAY)
2.3 Specific Gravity for Fine Aggregates
2.3.1 Objective
2.3.2 Scope
2.3.3 Apparatus
2.3.4 Test Procedure
2.3.5 Test Result
these are the topics. Please use computer font.
For this Discussion, think of a specific testing scenario. Then consider a reliable test item for...
For this Discussion, think of a
specific testing scenario. Then consider a reliable test item for
that testing scenario and an unreliable item for that same testing
scenario. Consider how you might know if these items are reliable
or unreliable.
With these thoughts in
mind:
Post a brief
description of a specific testing scenario. Then describe one
reliable test item and one unreliable test item for that testing
scenario. Finally, explain what determines whether an item is
reliable or unreliable...
Detail the steps in computing the Paired t-test with a brief discussion specific to the important...
Detail the steps in computing the Paired t-test with a brief
discussion specific to the important aspects of each step.
Detail the steps in computing the independent samples t-test with a brief discussion specific to the...
Detail the steps in computing the independent samples t-test
with a brief discussion specific to the important aspects of each
step.
Detail the steps in computing the Kruskal-Wallis H-test with a brief discussion specific to the...
Detail the steps in computing the
Kruskal-Wallis H-test with a brief
discussion specific to
the important aspects of each step.
Pre-Employment Drug Screening Results are shown in the following Table: Positive Test Result Negative Test Result...
Pre-Employment Drug Screening Results are shown in the following
Table:
Positive Test Result
Negative Test Result
Subject Uses Drugs
8
(True Positive)
2
(False Negative)
Subject is not a Drug User
10
(False Positive)
180
(True Negative)
If 1 of the 200 test subjects is randomly selected, find the
probability that the subject had a positive test result, given that
the subject actually uses drugs. That is,
(positive test result subject uses drugs).
If 1 of the 200 test subjects...
Find the sample proportions and test statistic for equal proportions. (a-1) Dissatisfied workers in two companies:...
Find the sample proportions and
test statistic for equal proportions.
(a-1)
Dissatisfied workers in two companies: x1 =
46, n1 = 100, x2 = 36,
n2 = 100, α = .05, two-tailed test.
(Round your answers to 4 decimal places. Use Excel to
calculate the p-value.)
p1
p2
zcalc
p-value
zα/2
+/-
(a-2)
Choose the appropriate
hypotheses.
a.
H0:π1 –
π2= 0 vs.
H1:π1 –
π2 ≠ 0. Reject H0 if
zcalc < –1.96 or zcalc...
Find the sample proportions and test statistic for equal proportions. (a-1) Dissatisfied workers in two companies:...
Find the sample proportions and test statistic for equal
proportions.
(a-1) Dissatisfied workers in two companies:
x1 = 44, n1 = 100,
x2 = 34, n2 = 100, α = .05,
two-tailed test. (Round your answers to 4 decimal places.
Use Excel to calculate the p-value.)
p1 =
p2 =
zcalc =
p-value =
zα/2 =
(a-2) Choose the appropriate hypotheses.
H0:π1 –
π2= 0 vs.
H1:π1 –
π2 ≠ 0. Reject H0 if
zcalc < –1.96 or zcalc
>...
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