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P-wave refractor depth profile for location 1, Calabar–Itu Highway.

P-wave refractor depth profile for location 1, Calabar–Itu Highway.

Published: 01 June 2014
Figure 9.  P-wave refractor depth profile for location 1, Calabar–Itu Highway.
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P-wave refractor depth for Ikot Okon Akiba; Calabar–Itu Highway (control survey).

P-wave refractor depth for Ikot Okon Akiba; Calabar–Itu Highway (control su...

Published: 01 June 2014
Figure 10.  P-wave refractor depth for Ikot Okon Akiba; Calabar–Itu Highway (control survey).
Image
P-wave refractor surface profile at location 4, Calabar–Itu Highway.

P-wave refractor surface profile at location 4, Calabar–Itu Highway.

Published: 01 June 2014
Figure 12.  P-wave refractor surface profile at location 4, Calabar–Itu Highway.
Journal Article

Seismic Investigation of Highway Pavement Failures in Parts of Southeastern Nigeria

Abidemi O. Ilori, Victor I. Obianwu, Emeka E. Okwueze
Published: 01 June 2014
Journal of Environmental and Engineering Geophysics (2014) 19 (2): 113–134.
DOI: https://doi.org/10.2113/JEEG19.2.113
...Figure 9.  P-wave refractor depth profile for location 1, Calabar–Itu Highway. ...
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View PDF for article title, Seismic Investigation of <span class="search-highlight">Highway</span> Pavement Failures in Parts of Southeastern Nigeria
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Elastic parameters of the subgrade for failed portion of highway pavement a...

Published: 01 June 2014
Table 5.  Elastic parameters of the subgrade for failed portion of highway pavement at location 3, Calabar–Itu Highway.
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Refractor profile indicated by P-wave survey at location 3, Calabar–Itu Highway.

Refractor profile indicated by P-wave survey at location 3, Calabar–Itu Hig...

Published: 01 June 2014
Figure 11.  Refractor profile indicated by P-wave survey at location 3, Calabar–Itu Highway.
Image

Seismic refraction result for the subgrade at Ikot Okon Akiba, location 2, ...

Published: 01 June 2014
Table 4.  Seismic refraction result for the subgrade at Ikot Okon Akiba, location 2, Calabar–Itu Highway (control survey).
Image
—Stratigraphic sections sampled for organic geochemical analysis. A, Ameke Formation, road-cut 5 mi (7 km) to Umuahia on Enugu-Port Harcourt expressway; B, Imo Shale, road-cut on Enugu-Port Harcourt expressway about 65 mi (105 km) from Enugu; C, Nkporo Shale, road-cut on Enugu-Port Harcourt expressway, about 52 mi (84 km) from Enugu; D, Nkalagu Formation in Okpa stream near Ogugu; E, type section in Nigercem quarry at Nkalagu; F, Nkalagu Formation, road-cut 15.4 mi (24.8 km) on Calabar-Itu highway; G, Nkalagu Formation 17.4 mi (28 km) on Calabar-Itu highway; H, Nkalagu Formation road-cut 29 mi (47 km) from junction of expressway and old Umuahia road; I, section at Ashaka limestone quarry; J, section at Mfamosing limestone quarry; K, section at Yandev limestone quarry; L, Asu River Group, road-cut at Tse Ikyo-Wukari road.

—Stratigraphic sections sampled for organic geochemical analysis. A, Ameke ...

Published: 01 August 1982
Harcourt expressway, about 52 mi (84 km) from Enugu; D, Nkalagu Formation in Okpa stream near Ogugu; E, type section in Nigercem quarry at Nkalagu; F, Nkalagu Formation, road-cut 15.4 mi (24.8 km) on Calabar-Itu highway; G, Nkalagu Formation 17.4 mi (28 km) on Calabar-Itu highway; H, Nkalagu Formation road
Journal Article

Petroleum Geology of Benue Trough and Southeastern Chad Basin, Nigeria

S. W. Petters, C. M. Ekweozor
Journal: AAPG Bulletin
Published: 01 August 1982
AAPG Bulletin (1982) 66 (8): 1141–1149.
DOI: https://doi.org/10.1306/03B5A65B-16D1-11D7-8645000102C1865D
... Harcourt expressway, about 52 mi (84 km) from Enugu; D, Nkalagu Formation in Okpa stream near Ogugu; E, type section in Nigercem quarry at Nkalagu; F, Nkalagu Formation, road-cut 15.4 mi (24.8 km) on Calabar-Itu highway; G, Nkalagu Formation 17.4 mi (28 km) on Calabar-Itu highway; H, Nkalagu Formation road...
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View PDF for article title, Petroleum Geology of Benue Trough and Southeastern Chad Basin, Nigeria
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