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Organization, Technology and Management in Construction: an International Journal
Volume 11 (2019): Numero 1 (January 2019)
Accesso libero
The impact of changes in the geological conditions of road bedrock layers while the road was in use
Stanislav Smugala
Stanislav Smugala
,
Darja Kubečková
Darja Kubečková
e
František Indra
František Indra
| 11 nov 2019
Organization, Technology and Management in Construction: an International Journal
Volume 11 (2019): Numero 1 (January 2019)
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Article Category:
Case Study
Pubblicato online:
11 nov 2019
Pagine:
2009 - 2021
Ricevuto:
13 mag 2019
Accettato:
27 set 2019
DOI:
https://doi.org/10.2478/otmcj-2019-0008
Parole chiave
construction
,
road
,
technology
,
quality
,
reconstruction
© 2019 Stanislav Smugala et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Fig. 1
Road cross-section with the original reconstruction measurements.
Fig. 2
Area according to the geological map [explanation of geological structures (the structures themselves relate only to the bold geological structure) is as follows: 19 light yellow-loess clay, genesis-eolic sediment, system-Bohemian Massif-covering formations, formation-quaternary, era-kenozoic, Pleistocene department; 2,243 ocher to pink-eluvial sediments (weathered mantle) stone-sand-clayey eluvia of sedimentary rocks, system-Carpathians, formation-quaternary to neogene, era-kenozoic, department Pleistocene; 1,821 ocher-yellow-marinated sediments, calcareous clay (tégl), in places with sand system-Carpathian Foredeep, formation-neogene, era-kenozoic, department-miocene, grade-Baden; 2,019 green-volcanites, cucumber, picrit, tuff, tuffite, system-Carpathians, area-flysch zone, region-outer group of nappes, regional unit-Silesian, formation-chalk, era-mesozoic, department-lower chalk, degree-berrias, Valangin, Hauteriv, Barrem, Apt, Formation-Volcanicities of the Ashtree Association; 1,986 bluish-marinated, sandstone, conglomerate, claystone, limestone, system-Carpathians, area-flysch zone, region-outer group of nappes, regional unit-Silesian, formation-chalk, era-mesozoic, department-lower chalk, degree-apt-alb, formation-Tešín-Hradiště; 1,968 grey-yellow with blue dots-marinated, claystone, sandstone, conglomerate, system-Carpathians, area-flysch zone, region-outer group of nappes, regional unit-Ždánice unit, sub-Silesian unit, formation-chalk to paleogene, era-mesozoic to kenozoic, department-Upper Cretaceous to Paleocene, degree-Turon, Coniak, Santon, Campan, Maastricht, Formation-Frýdek].
Fig. 3
Profile of the excavated survey probe showing the deformation of the underbase layer.
Fig. 4
Diagram of a geological borehole at the location of deformations.
Fig. 5
Location of highly permeable rocks in the contact aureole in the active zone’s bedrock.
Fig. 6
Location of highly permeable rocks (limestone) in the active zone’s bedrock.
Fig. 7
Moisture content as work is conducted.
Fig. 8
Cross-section of the road according to the new reconstruction procedures.
Results of the analysis of natural moisture content in the soil
Probe
Depth (m)
Moisture content,
w
n
(%)
CaO treatment
Level
KS1
0.6–0.8
31.41
Yes
Active zone, ceiling
0.8–0.9
49.90
Yes
Active zone, middle
0.9–1.1
45.70
Yes
Active zone, base
1.1–1.2
25.70
No
Base, ceiling
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