Global ETD Search

31	An Engineering Geological Investigation of the Seismic Subsoil Classes in the Central Wellington Commercial Area. Semmens, Stephen Bradley January 2010 (has links) The city of Wellington has a high population concentration and lies within a geologically active landscape at the southern end of the North Island, New Zealand. Wellington has a high seismic risk due to its close proximity to several major fault systems, with the active Wellington Fault located in the north-western central city. Varying soil depth and properties in combination with the close proximity of active faults mean that in a large earthquake rupture event, ground shaking amplification is expected to occur in Thorndon, Te Aro and around the waterfront. This thesis focuses on the area bounded by Thorndon Overbridge in the north, Wellington Hospital in the south, Kelburn in the west, and Oriental Bay in the east. It includes many of the major buildings and infrastructural elements located within the central Wellington commercial area. The main objectives were to create an electronic database which allows for convenient access to all available data within the study area, to create a 3D geological model based upon this data, and to define areas of different seismic subsoil class and depth to rock within the study area at a scale that is useful for preliminary geotechnical analysis (1:5,000. Borelogs from 1025 holes with accompanying geological and geotechnical data obtained from GNS Science and Tonkin & Taylor were compiled into a database, together with the results from SPAC microtremor testing at 12 sites undertaken specifically for this study. This thesis discusses relevant background work and defines the local Wellington geology. A 3D geological model of the central Wellington commercial area, along with ten ArcGIS maps including surficial, depth to bedrock, site period, Vs30, ground shaking amplification hazard and site class (NZS 1170.5:2004) maps were created. These outputs show that a significant ground shaking amplification risk is posed on the city, with the waterfront, Te Aro and Thorndon areas most at risk. 3D Engineering Geological Model Depth to Bedrock Ground Shaking Amplification Liquefaction Potential NZS 1170.5:2004 SCPT SPAC SPT Site Effects Site Period Site Subsoil Class Surficial Deposits Vs30 Wellington City.
32	Nosná železobetonová konstrukce prodejny a skladu sportovního vybavení / Reinforced concrete structure Hasala, Ivo January 2014 (has links) In my master´s thesis I deal with static solution of basic elements of reinforced concrete building with two abovegrounds and one underground storey. The selected elements are piles, roof board D1, column S1 in 2NP, stairway SK1 in 1NP, beam Z1 in 2NP, wall ST6 in 2NP, exterier board near the steel stairway. The component of my master´s thesis is comparing of my own calculation of moments and computer calculation of roof board D1. In the last point I compare a behavior of the structure with solid support and with piles.
33	Spolehlivost zemních hrází ohrožených filtračními deformacemi / Reliability analysis of embankment dams endangered by filtration deformations Čejda, Marek January 2016 (has links) Subject of the dissertation is a probability analysis on creation of embankment subsoil filtration deformations. Out of the broad topic of filtration deformations, the dissertation is focused at initiation of the process. At this phase, the overlying layers downstream of levee get uplifted, and eventually get breached. The process of downstream subsoil failure probability estimation is formulated using mathematical and statistical modelling. Within the scope of parametrical study the suggested method is applied onto a test environment. Results of the probability estimation are compared with results obtained using Limit state design method. The results of stochastic modelling can be used for improvement of Limit state design method precision.
34	Le droit public des utilisations du sous-sol : réflexions sur le régime juridique des stockages géologiques de déchets / Public law on subsoil uses : research on legal framework for underground storage Schellenberger, Thomas 17 January 2014 (has links) Des déchets industriels de toutes natures sont enfouis en sous-sol pour un temps indéterminé. Ce déplacement spatial et temporel des déchets confronte les règles de droits à deux univers particuliers, et plus ou moins lointains, le sous-sol et le long terme. Les cadres juridiques des stockages géologiques vont accompagner la technique de stockage souterrain dans son rôle d'exécutoire pour les activités industrielles menées aujourd'hui en surface. Le stockage géologique déplace la charge environnementale des déchets. D'une part, le sous-sol possède un cadre juridique propice à son exploitation industrielle et donc à son utilisation comme lieu de stockage de déchets. Cela est susceptible de heurter les différents usages du sous-sol. Des arbitrages entre les intérêts en conflits doivent être réalisés, au plan technique mais aussi démocratique, s'agissant des modes d'élaboration des décisions publiques relatives à l'espace géologique. Les droits d'exploiter les ressources souterraines peuvent, en outre, entraver les mesures de protection environnementale. D'autre part, le stockage géologique oblige les règles de droit à se projeter dans le temps. Les outils juridiques pour appréhender le futur sont mis à l'épreuve. La difficulté est de partager le fardeau des déchets au cours du temps, entre la sphère publique et la sphère privée. De la même façon, l'enfouissement de déchets dangereux à des échelles transgénérationnelles interroge le contenu et la portée de la responsabilité juridique envers les générations futures. / Industrial waste of all kinds are burried in the underground for an indefinite period of time. With this displacement, both in space and time, the rules of law face the challenge of two specific, and more or less distant, worlds: the subsoil and the long term. Legal frameworks for underground storage strengthen the technique of underground storage in its role as an outlet for industrial activities which are carried out on the surface. Underground storage shifts the environmental load of waste. On the one hand, the legal frameworks for subsoil use is favourable to industrial exploitation and therefore to the use of the underground as a storage place for waste. When it comes to the decision-making process for public action in relation with the subsoil, arbitration must be made between the competing interests at stake, both in democratic and technical terms. Besides, the rights to exploit the underground ressources can hamper environmental protection measures. On the other hand, underground storage compels the rules of law to look to the future. The legal tools to anticipate the years ahead are placed under severe strain. The challenge lies in how to share the burden of waste over time between the public and the private spheres. In the same way, the landfill burial of hazardous waste on a transgenerational scale questions the content and scope of legal responsability towards future generations. Stockage géologique Sous-Sol Déchets Etat Responsabilité Droit administratif Droit de l'environnement Droit minier Générations futures Légitimité Démocratie Intérêt public Police administrative Équité Propriété Underground Storage Subsoil Waste State Liability Public law Environmental law Mining law Future generations Legitimacy Property Public interest Democracy
35	Root System of Shrub Live Oak in Relation to Water Yield by Chaparral Davis, Edwin A. 16 April 1977 (has links) From the Proceedings of the 1977 Meetings of the Arizona Section - American Water Resources Assn. and the Hydrology Section - Arizona Academy of Science - April 15-16, 1977, Las Vegas, Nevada / The root system of shrub live oak (Quercus turbinella) was studied in an initial effort to classify the major Arizona chaparral shrubs as potential users of soil water based on root system characteristics. The root system was of the generalized type with a taproot, many deeply penetrating roots, and a strong lateral root system. Roots penetrated 21 feet to bedrock through cracks and fractures in the rocky regolith. A dense network of small surface laterals radiated from the root crown and permeated the upper foot of soil. Because of its root system, shrub live oak is well adapted to utilize both ephemeral surface soil moisture as well as deeply stored moisture. Emphasis is placed on the importance of a knowledge of the root systems of chaparral shrubs and depth of the regolith in planning vegetation conversions to increase water yield. Hydrology -- Arizona. Water resources development -- Arizona. Hydrology -- Southwestern states. Root systems Root development Water utilization Water yield improvement Regolith Soil-water-plant relationships Soil moisture Root zone Distribution patterns Subsoil Moisture availability Growth stages Vegetation effects
36	Investigating the role of soil constraints on the water balance of some annual and perennial systems in a Mediterranean environment Poulter, Rachel January 2006 (has links) This thesis compares the in situ water balance of common annual production systems (wheat, lupin, subclover and serradella) with a grazed perennial system (lucerne) at a site in the Avon Catchment, Western Australia. Using a physically-based water balance approach the value of a plant based solution in redressing the hydrological imbalance that has become a feature of much of the dryland agricultural region of Western Australia is investigated. The effectiveness of lucerne in providing greater available storage for buffering large rainfall events, as compared to the annual systems, is illustrated. Continued transpiration following out-of-season rainfall events maintains a larger available storage capacity. In contrast, the annual systems that are fallow over summer only withdrew a small fraction of water by soil evaporation between rainfall events. Under annual systems, the profile moisture store was sequentially increased to the extent that additional increments of rainfall could potentially contribute to deep drainage. A particular focus of this study has been to investigate the presence of soil constraints to root growth, and to assess how these constraints affect the water balance. A site survey indicated the soil penetration resistance was sufficient to impose a physical constraint to root growth. Published literature on the site shows soil acidity is also at a level imposing chemical constraints to root growth. A root growth model “Rootmodel”, for predicting root growth with and without soil constraints is examined in detail as a method for providing root growth parameters for inclusion into the numerical water balance model, SWIM based on Richard’s equation. Functions developed from “Rootmodel” adequately describe the effect of profile limitations to root growth, such as soil strength, moisture availability and temperature. Recommendations are made for inclusion of a growth suppressing function in “rootmodel” based on the chemical limitation of low pH. The effects of soil acidity on the root growth of several species is investigated experimentally and the resultant root data provided a reference point by which the simplified prediction of root growth built into SWIM could be adjusted using a linear reduction function. A similar linear reduction function is also employed to impose a physical constraint in the form of high penetration resistance. Water balance modelling Lucerne Subsoil constraints Root growth Avon River Watershed (W.A.)
37	Nosná železobetonová konstrukce bytového domu / Load bearing reinforced concrete structure of apartment house Ruber, Lukáš January 2018 (has links) The subject of this diploma thesis is the design of the underground parts of the building. Part of this thesis is to comapare alternative designs and subsequentli evaluate the interaction of the upper structure with subsoil and pile fundantion. A detailed static assessment and implementation documentation is then prepared for the selected variant. The design of the base plate and reinforced concrete walls of the underground section are designed with respect to the crack width according to the principles for designing the white box. The theoretical part contains principles for designing and implementing a white box and evaluating design variants.
38	Analýza násypového tělesa na podloží zlepšeném prefabrikovanými vertikálními drény / Analysis of performance of embankment constructed on subsoil improved by vertical drains Kováč, Vladimír January 2019 (has links) The thesis deals with the back analysis of the instrumentated embankment on the subsoil, improved by prefabricated vertical drains. The first part is devoted to the theory of consolidation calculation. Furthermore, the author deals with a parametric study of the analytical calculation of prefabricated drains and the comparsion of the analytical and numerical solution. The last and the largest part of the work is a back analysis of the embankment which was built as a part of the subsoil improvement near the Suez Canal in Egypt by Keller GmbH.
39	Železobetonová konstrukce bytového domu / Reinforced concrete load-bearing construction Ilčík, David January 2016 (has links) The diploma thesis is aimed for design and assessment main load bearing elements of a apart-ment building on the ultimate and serviceability limit state. Assessed parts of construction are reinforced concrete slab over the second floor, column and shear wall in the first floor, stairway slab and foundation pad. The elements are assessed in a structural design report according valid standard. There is created drawings. Internal forces are calculated using software Scia Engineer, where is modeled and loaded the construction.
40	Le droit et l'espace souterrain. Enjeux de propriété et de souveraineté en droit international et comparé / The Law and the earth's subsurface. Property and Sovereignty issues in international Law and comparative Law / El derecho y el espacio subterraneo. Retos de propriedad y de soberania en Derecho internacional y comparado Reiche-De Vigan, Stéphanie 18 October 2016 (has links) L’espace souterrain, qui s’étend depuis la surface des terres émergées et des fonds marins jusqu’au centre de la Terre, est délaissé par le droit international. Aucune règle de droit international positif ne vient réglementer l’utilisation que les Etats font de leur espace souterrain territorial, cette utilisation et le régime de la propriété souterraine faisant partie de leur domaine réservé. Si les normes internationales régissent l’utilisation de l’espace souterrain extra-territorial, celui des grands fonds marins et celui de l’Antarctique, elles n’appréhendent l’espace souterrain qu’en termes d’utilisation et de mise en valeur des ressources minérales. De ce régime juridique d’exploration et d’exploitation des ressources minérales dépend d’ailleurs le statut juridique de l’espace souterrain qui va de la pleine souveraineté de l’Etat côtier à l’exclusion de toute appropriation nationale ou individuelle. Devant la multiplication des utilisations souterraines et face aux dommages environnementaux et aux violations des droits de l’homme liés à certaines de ces utilisations, le droit international doit réinvestir l’espace souterrain et notamment le contenu et l’étendue des droits qui le concernent tant dans l’ordre interne qu’international afin d’en réglementer la mise en valeur et d’en assurer la protection. / Until today, there has been little interest of international Law concerning the earth’s subsurface, as the space that extends from the surface of the soil or of the seabed to the center of the earth. On the one hand, there is no rule of international law that regulates the use Sovereign States have of their territorial subsurface. It is currently understood that subsburface activities and property law that regulates them, are within domestic jurisdiction only and do not come under international law scrutinity as they waive the exercice of an absolute independance of States. On the other hand, the existing rules of international law that regulates extraterritorial subsurface, notably the seabed and ocean floor and subsoil thereof beyond national jurisdiction and the Antarctic, consider the earth’s subsurface mostly in terms of use and exploitation of mineral resources. Faced with the evergrowing uses of the subsurface that are solely used for extraction or for injection and storing, and regarding the impacts of some underground activities on the environment and on human rights, International Law must play a role by regulating the content and extent of rights that are exercised over the earth’s subsurface inside and outside territorial jurisdiction for development and protection purposes. Appropriation Changement climatique Droit minier Eaux souterraines Environnement Exploitation Exploration Fonds marins Hydrocarbures non conventionnels Industries extractives Investissements Mines Peuples autochtones Propriété Ressources minérales Ressources naturelles Sous-Sol Souveraineté Stockage géologique de CO2 Territoire Zones polaires Appropriation Carbon capture and storage Climate change Environment Exploitation Exploration Extractive industries Groundwater Indigenous peoples Investment Minerals Natural resources Oil & Gas Law Ownership Polar regions Property Seabed Sovereignty Subsoil Territory Unconventional hydrocarbons 340

Search results