(a) CBR of a high quality well-graded crushed stone base course materials: and “Modulus of subgrade reaction" for an A-2-5 silty sand (SM): (b) From a CBR test, we can obtain _pci. and characteristics of a soil; R value is obtained from a test; and Cl is short for static which is correlated to CBR. (c) Percent passing No. 200 sieve for an A-7-6 soil: ; and the diameter of a standard plate used in plate loading tests is inches. (d) The Corps of Engineers define modulus of subgrade reaction "k" as: (e) In the design of rigid pavements, any correlation of soil modulus with the modulus of subgrade reaction "k" has to include as an additional variable (f) GPR: (g) Log CBR = 0.84 – 1.26 * Log (PR). What is PR? (h) SASW: (i) The Hamboldt (HSG) is claimed to be a man-portable instrument that provides a simple, rapid, and precise means of directly measuring in-situ soil modulus. (j) Sketch and define AREA term used in back- calculation:
(a) CBR of a high quality well-graded crushed stone base course materials: and “Modulus of subgrade reaction" for an A-2-5 silty sand (SM): (b) From a CBR test, we can obtain _pci. and characteristics of a soil; R value is obtained from a test; and Cl is short for static which is correlated to CBR. (c) Percent passing No. 200 sieve for an A-7-6 soil: ; and the diameter of a standard plate used in plate loading tests is inches. (d) The Corps of Engineers define modulus of subgrade reaction "k" as: (e) In the design of rigid pavements, any correlation of soil modulus with the modulus of subgrade reaction "k" has to include as an additional variable (f) GPR: (g) Log CBR = 0.84 – 1.26 * Log (PR). What is PR? (h) SASW: (i) The Hamboldt (HSG) is claimed to be a man-portable instrument that provides a simple, rapid, and precise means of directly measuring in-situ soil modulus. (j) Sketch and define AREA term used in back- calculation:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Anyone help with questions C to J? Thanks
![Food for thought
(a) CBR of a high quality well-graded crushed stone
base course materials:
and “Modulus of subgrade reaction" for an A-2-5 silty
sand (SM):
(b) From a CBR test, we can obtain
_pci.
and
characteristics of
a soil; R value is obtained from a
test;
and Cl is short
for static
which is
correlated to CBR.
(c) Percent passing No. 200 sieve for an A-7-6 soil:
and the diameter of a
standard plate used in plate loading tests is
inches.
(d) The Corps of Engineers define modulus of
subgrade reaction "k" as:
(e) In the design of rigid pavements, any correlation of
soil modulus with the modulus of subgrade
reaction "k" has to include
as an additional variable.
(f) GPR:
(g) Log CBR = 0.84 – 1.26 * Log (PR). What is PR?
(h) SASW:
(i) The Hamboldt
(HSG) is claimed to be a man-portable
instrument that provides a simple, rapid, and precise
means of directly measuring in-situ soil modulus.
(i) Sketch and define AREA term used in back-
calculation:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd0c4594-754a-41db-9895-c59e77ec80e6%2F0034c9f4-ef15-428b-a69f-e79fa64b4eb6%2Fdt6ri5s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Food for thought
(a) CBR of a high quality well-graded crushed stone
base course materials:
and “Modulus of subgrade reaction" for an A-2-5 silty
sand (SM):
(b) From a CBR test, we can obtain
_pci.
and
characteristics of
a soil; R value is obtained from a
test;
and Cl is short
for static
which is
correlated to CBR.
(c) Percent passing No. 200 sieve for an A-7-6 soil:
and the diameter of a
standard plate used in plate loading tests is
inches.
(d) The Corps of Engineers define modulus of
subgrade reaction "k" as:
(e) In the design of rigid pavements, any correlation of
soil modulus with the modulus of subgrade
reaction "k" has to include
as an additional variable.
(f) GPR:
(g) Log CBR = 0.84 – 1.26 * Log (PR). What is PR?
(h) SASW:
(i) The Hamboldt
(HSG) is claimed to be a man-portable
instrument that provides a simple, rapid, and precise
means of directly measuring in-situ soil modulus.
(i) Sketch and define AREA term used in back-
calculation:
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