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According to the requirements of Council Directive 98/83/EC of 3 November 1998 on the quality of water intended for human consumption and Regulation of the Minister of Health of 13 November 2015 on the quality of water intended for human consumption, drinking water should be characterized by the appropriate concentration of selected parameters, i.e. heavy metals. The specified parametric values should not be exceeded not only in water treatment plant, but also on the particular parts of the production cycle and wa...

Determination of the threats arising from the vibrations generated by geotechnical works, like sheet pile or pile driving, often requires special monitoring of buildings located in the area of vibration. Monitoring allows distinguishing the vibrations affecting the structures from vibrations clearly perceptible by humans, but not strongly affecting the building. In some limited cases, dynamic analysis enables for designing an active generator, reducing dynamic impact of foundation works. The article presents the p...

Kakanj is located in the center of Sarajevo-Zenica basin in Bosnia and Herzegovina. Coal mining began in the mid 19th century. Several underground mines in the area of Trstionica started operating after the end of World War II. Subsidence caused by underground mining are almost always localized on the surface above the underground area with a zone of influence within the area of the mine. Vertical subsidence could cause significant problems and economic losses, but also the positive effects on the environment, as ...

This paper describes possibilities to use numerical models as significant aid in proposal of slope stabilization in Quarry. More accurately the proposal for excavation way of first soil overburden cut, which is mixed up with rock mass, to stabilize the slope. That is real case study which was performed for greywacke quarry situated in Eastern Bohemia. Since 2005 a small instability symptoms are observed on eastern general slope of quarry. Based on this fact the slope stability investigation started in detail one y...

Carbonate eluvium is suffusion unstable soil, where voids and cavities can be formed. This can lead to adverse effects and disasters in the constructions of buildings and structures. This article presents the results of using the Plaxis Software for the determination of the critical depth and critical diameter of the cavities in which the possible collapse. The total thickness of the carbonate eluvium exceeds twenty meters in the study area. The calculation model of the cavity growth included the geometric model o...

FREEWAT Platform is a free open-source tool for water resource management created within the frame of HORIZON 2020 project FREE and open source software tools for WATer resource management, financed by the EU Commission. The projectпїЅs Consortium is constituted by partners from various water sectors from 10 EU countries, plus Turkey and Ukraine and large stakeholdersпїЅ involvement is thought to guarantee results in its dissemination and exploitation. The FREEWAT platform is an integrated modelling environment fo...

Twenty years after finishing the dam ?unovo on river Danube about 15 km beneath Bratislava were after regular controls gradually exclude from system some observation boreholes. There were realised new investigation boreholes. The main reason of these boreholes was verification of the soil characteristics in depth where the periodical changing of water in Danube and in reservoir had negative influence on the permeability characteristics. One of the most important factors of safety is filtration stability of granula...

In this paper, a case study of vinyl sheet pile application under the historical Sakarya Bridge on Sakarya River is studied. The main challenge of the project was the height of the application site. The design length of the piles were 10 m and the height of the bridge where the application was going to be made under; was 7,5 meters. In addition, gabions are present under the bridge ambutment and Provincal Authority of Historic Monuments expect no damage around the bridge. The soil of the site were well-degraded sa...

The engineering behavior of rock materials depends not only on stress state and stress history but also on the physical and chemical change of the rock materials due to weathering. Changes in index properties such as dry density void ratio, clay content and seismic velocity caused by weathering processes is representing strength and elastic properties of rock materials. The changes caused by weathering processes in rock material may be mainly considered under th e two topics; the mineralogical change and the physi...

Remote sensing is a useful tool for a ssessing, monitoring and conservation of groundwater with advantages of spatial and te mporal availability of data from the large and inaccessible areas. Hydroge ological characteristics of a region are derived by surface indicators-geological features, geomorphology, hydrology, vegetation, land use. The paper deals with geological element as a factor influencing the hydrological and hydrogeological processes in the basin and adjacent areas Dambovicioara. Complexity of data pr...

Increasing population, urban development, i ndustrial and agricultural needs, gradually warming the Earth and increasing droughts have been caused of reduction of consumable water and the need for rich resources of underground water has been more than before. Arak as a fourth pole of the industry in the Iran country has especial dependence on Aman Abad region underground water resources, so the study in this area for underground water exploitation and control of resources have great importance , that most of these...

In Poland the closed shafts were filled up in the past years with th e rock material with very different backgrounds and properties. The effect of flooding the shallow, old mining areas, as well as the impact of water infiltrating from the surface, are observed on the surface as subsidence funnel and discontinuous crack. Using the geophysical surveys, numerical modeling, geologic al and hydrogeologi cal studied, some possibilities for diagnosis of hazards in abandoned coal mines areas are shown. In the context of ...

Rock mass deformation modulus is an im portant input parameter in any stability analysis in the surface and underground structures. This parameter can be obtained through in-situ tests, empirical relations be tween deformation modulus and rock mass classification, and estimating from back analysis method. Field tests are developed to determine this parameter directly, but these methods are time consuming and expensive. Therefore, some researchers have proposed empirical formula for estimation of rock mass modulus ...

Hygienic problems and the protection of property against floods have been successfully solved by existing concepts of drainage. However, the way of urban drainage has led to intensification of urbanization impact on hydrological regime of the country. Technologically, environmentally and economically purposeful urban drainage prevents rapid runoff of waste water. New concept s upports such way which resembles natural way of drainage in unstopped floods and which reduces negative consequences of country urbanizatio...

Region of West Carpathians Mountains is the territory, where app. 5.25% of total area of coverage are landslides. Therefore our re search team has started implementation of TDR technology (Time Domain Reflectometry) for measurement of slope underground movements. However this technology offers implementation for a variety of uses. Continuing development of monitoring usin g this method of measurement has been implemented in one selected locality where new national road was built across the existing landslide. In t...

Municipality of Kikinda spatially belongs to the northern part of Banat, Autonomous Province of Vojvodina and covers an area of 782 km 2. The water supply system uses groundwater wells which capture water from deep aquifer at a depth of about 200 meters and consists of central city water source and water sources from surrounding local communities. City’s central water supply system contains 14 wells, divided in several water sources which are: "Šumice", "Toza Marković", “Jezero” and “Masarikova”. The t...

The presented paper brings results of a case study implementing the geofactors of flood land and radon hazard into land use plans in the cadastral district of Doubrava and Karvina. The studied area is located in the Ostrava-Karvina Coal District in the north- east of the Czech Republic close to the Polish border. It is defined by the map sheet 15- 44-03 in 1:10 000 scale. The area was studied for the fact how land use planners catered for the distribution of flood land characte rised by the hundred-year flood and ...

Determining the stress around a mining excavation is a complex issue of Geomechanics and implicitly of the mining area. The evaluati on of stress state is essential, but very difficult to obtain, due to the interaction of the instrument ation with the rock massif. The measurement methods, together with the devices and the methods of processing and interpretation of data, ensure and create the possibility of knowing the degree of dependence between the measured effects in terms of time, and the factors causing them...

The crack propagation mechanism of rocks under tensile and compressive loading conditions has been investigated. A higher order indirect boundary element method using special crack tip elements has been used to solve the various example problems in rock fracture mechanics. It is concluded that the brittle rocks fail due to the mixed mode fracture propagation under both tensile and compressive loading conditions. The micro- cracks are initiated due to tens ile or tensile and shear under tensile loadings and due to ...

Analysis of the horizontal strains of the ground subsidence due to underground excavation in rock can be accomplished by a hybridized higher order indirect boundary element/ finite difference (BE/FD) formulation. The higher order displacement discontinuity field is obtai ned by using the quadratic displacement discontinuity elements (i.e each higher order element is divided into three sub-elements bearing a quadratic variation of displ acement discontinuities). Then th e classic finite difference formulation (i.e....

The aim of this paper consists in highlighting the feasible technical solution in a real situation, namely to achieve the consolid ation of the road accessing the monitoring block from Obrejii-of-CДѓpГўlna dam. As a consequence of the landslides occurred on the left flank, between the intersection with national road DN 67C and Podu Vacii point, at about 50 - 60 m downstream the dam, it was proposed the narrowing of the access road platform, to the surveillan ce and control block of the dam, on 20 - 30 m length. Ac...

The aim of the paper is to in form on the need to apply geological information in land use planning and other state administration spheres, such as building office services. The study was carried out with in the locality specified by a map sheet 15 44 07 in 1:10 000 scale, in the cadastral district of Petr vald, Orlova, Horni Such a in the north-east of the Czech Republic close to the Polish border. The subject of the study is an evaluation of geobarriers of rock workability, inundatio n area and radon index. A si...

The existing groundwater source for the public water supply of Be čej city in Serbia tapping groundwater from three water-bearing horizons over 15 wells with summary capacity of 100 l/s. Near the public water source of Bečej exists groundwater source for industry with capacity of 12 l/s which tapped same horizons. In the coming period is planned to increase summary capacity of this groundwater source up to 57 l/s. Also, the increase of summary city’s s ource capacity is planned for 50 % in the next few years, ...

The paper deals with some factors influencin g the values of sandy soils shear strength parameters, obtained by direct shear test (DST). Influences of density, shear area changing and number of specimens on the test result of clayey sand (SC) and sand with some fines (S-F) are examined. Influences of the density on the values of sandy soils shear strength parameters will be introduced in the paper by the tests with density index 6 . 0 ; 3 . 0=DI and 0.9. Influences of the shear area changing on the values of sandy...

This publication presents th e assessment studies of two important characteristics, limiting the utilization of the geological envi ronment for various pu rposes, especially construction. The first is the character of the pre-quaternary bedrock, other is the rock workability. Character of the pre-quaternar y bedrock and its depth is important primarily for the complex foundation engineering. They carry the greater load caused by the weight of the structure itself. Therefore, it is often necessary to carry the weig...

The purpose of this publication is to evaluate the geological environment for its suitability, respective unsuitability for foundation engineering. The means to realisation this objective was the study about extension of the engineering-geological zones on a map sheet 15-44-08 in studied area. This is an area municipalities in the Doly, Spa Darkov, Stonava and Horni Sucha. It is a mining area in the northeastern part of the Czech Republic. There were detected the speci es of the engineering-geological zones, the l...

The object of this study is to locate the zones of groundwater discharge into the eastern shores of the Dead Sea. To achieve this object the electrical conductivity-temperature with a depth method was used. This study show ed that the Dead Sea divides into two layers relating to the electrical conductivity and temperature with depth. The upper layer subdivided into two members. The upper member extends from the sea surface down to a depth of 15-25 m. The lower member extends from a depth of 15-25 m to 40 m and it ...

In this study a new testing method for indirect determination of Unconfined Compressive Strength (UCS) of the rock core samples is presented. As known, there are some methods for indirect estimation of UCS such as; point load (Is), Schmidt hammer, sonic velocity, block punch strength test etc. However point load testing method is widely used to estimate the UCS, there are many problems and limitations related to this method as reported in the recent literature. It was obtained that CST proposed in this paper namel...

Selection of multistage excavation method has a special importance in the large section tunnels. It depends on some parameters such as rock type, geomechanical properties, rock mass, tunnel size, etc. This research is aimed to investigate the excavation method in the Imam Zadeh Hashem tunnel as a case study. For this purpose, two excavation methods, namely pilot and extending excavation method and heading-bench excavation method have been compared using numerical methods and FLAC-2D software. The results obtained ...

The ratio of observed vertical stress to its theoretical value in a soil mass which has settlement potential could be defined as arching ratio. This phenomenon could be observed in some projects, such as earth-fill dams, tunnels, and piles. Arching in earthfill dams may results in hydraulic fracture due to increase of pore water pressure, is the most important result of arching. Hydraulic fracture causes internal cracking of clay core which in turn results in more water seepage. To evaluate the arching effect, an ...

The phreatic groundwater from the Ialomita – Buzau river basin are quartered in the sedimentary formations of Quaternary age, starting with the ones of the lower Pleistocene and finishing with the Holocene and recent ones. The most important phreatic aquifer layers, from the point of view of the water resources quartered in permeable and raw formations (gravels, blocks, raw and average sands), are spread in the Buzau dry delta area, in the divagation plain between Buzău and Călmăţui and in the alluvial plain...

Dangerous geological processes which were caused by nature or anthropogenic are the reason of the catastrophes and the human sacrifices which necessary prevent and avert. A complex of the geological processes was considered and actions for engineering protection of the valley of the river Mzymta.

In Romania the estimation of the qualitative and quantitative status for the groundwater bodies was maded for each delineated groundwater body. The monitoring and knowledge activity of the groundwater bodies are made on the river basins through the observation wells for the shallow and depth groundwaters. The majority of these wells belong to the National Hydrogeological Network, but for the polluted areas there are local monitoring networks. The BuzДѓu-IalomiЕЈa river basin is one of the eleven Water Directions f...

Land planning is more and more understood to be a decisive tool, by means of which the society secures the systematic solving of functional, economic and engineering problems of the arrangement of landscape settlement, the rational use and protection of natural resources. The paper deals with an evaluation of four selected geobarriers (flood lands, radon hazard, undermining and slope movements) by means of geographic information systems that are geofactors endangering or limiting landscape and environment or make ...

Seashore, generally, especially cliffs, are very often affected by problems with instability. Such problems often lead to endanger of existing properties, excavations or structures under construction and to increase in expenses. The prime trigger for land slipping is a high ground water level. The method of dewatering is important. Some traditional drainage techniques are proven methods. However, two innovative deep drainage systems, siphon drains and electropneumatic drains, could have certain advantages. Two exa...

Low rise buildings are particularly vulnerable to ground movements sourced from swelling and shrinking of the expansive clays. Geotechnical engineers have long recognized that Swelling of expansive clays caused by moisture variation may result in considerable damage to the overlying structures, and engineers should take them into the consideration. The literature contains a vast number of stabilizing techniques such as lime, cement, fly-ash for treatment of expansive clays. However the use of gypsum as a stabilizi...

The "Drmno" coal strip mine is one of the most important factors of the electro-power system of Serbia. The coal exploitation has taken place over 20 years (since 987), with the exploitation of 6В·106 tons in 2007. The coal exploitation is complicated by the waterbearing character of the roof sediments, which is the consequence of the vicinity of the rivers Danube and Mlava. Groundwater protection is performed using the wells distributed in several lines (about 200 wells). Current solutions were formed either with...

The coal basin of Kosova has a huge coal reserves, they are the main power sources for thermo power stations of Kosova. The lignite is distributed across the Kosova, Dukagjini and Drenica Basins, although mining has so far been restricted to the Kosova Basin. The first systematic records of lignite exploitation since 1922, when a smallscale, shallow underground room-and-pillar mining commenced in the Kosova Basin. This case of study presents the hydrogeological conditions of the coalfield Sibovc, which is a part o...

The basic precondition for town planning, foundation engineering in a certain area is the integrated knowledge of engineering-geological conditions that form a decisive factor for good-quality and functional foundation of potential structures. Research was carried out into a chosen model research area in the part of Ostrava-Karvina Coalfield with various characters of foundation soils, with significant influencing by anthropogenic and other geodynamic processes and geofactors, with a possibility of future applying...

Konya Basin has wide area which 62.000 km2 and has important water potential. However water reserves decreasing in basin recent years. Groundwater levels are decreasing for global warming, scarcity of rains, unconscious usage, plant cover, uncontrolled illegal wells and conditions of basin coming near drought. Climatic data are changing because of global warming in Konya Basin. Average rain is 280,8 mm and this is very low. Drought period is living since 1998 in basin. Rain quantity of 2007 is less than average of...

The Bolboci hydrotechnical arrangement was achieved in 1988 on the upper course of Ialomita river, in the complicated geological and tectonic conditions of Bucegi massif from the Oriental Carpathians. This occupies the tectonic syncline of Bucegi which is situated between Cheile Tatarului and Cheile Zanoagei, at south, resulted from the background deformations of precadomian crystalline and the deposition blanket being made from the succession of Dogger, Malm and Albian. On the level of the litho-group of Malm-Dog...

On the island of Evia, in central-east Greece, in Aliveri area, the mining operations (underground and surface) caused new and very complex hydrogeological, geochemical and geotechnical conditions. Since the mining operations have ceased since 1990, any plans for the utilisation of the former mining lands and buildings and the de3velopment of the area, demands the knowledge of these new conditions and the supply of sufficient water. A thorough investigation, including water level measurements, pumping tests, chemi...

Most of water resources in Iran are flowing in the west, south-west, north districts of country and, on the other hand, providing of water the central districts of Iran, for a long term, had been a critical problem to Iran water industry since long ago. Accordingly, many water transferring projects have been proposed between different zones to remove this problem. Transferring water from of Dez river to central districts of Iran is one of these projects that water transfer tunnel from Anvaj river to Qomrud is its ...

The subject of this paper is to present an efficient method for exploration of surface beds by means of one-channel reflection seismic. Two-step algorithm based on simplified seismic diffraction theory is used for processing of the field data. During the first step the registered wave field is re-calculated with specialized software taking into consideration definite assumptions for the environmental model. During the second step the so re-calculated wave field is transformed using Phase Shift Migration method. As...

For opening of blocks No. 7 \& 8 of Golbini mine in Bauxite Jajarm region (Northern- Khorasan province, Iran) a tunnel is excavated with horse shoes shape with 800 m length. In this paper firstly, the tunnel section was modeled by FLAC2D software and secondly the stability analysis were studied. Then a composition of shotcrete and steel frame was offered. To reach an appropriate safety factor the shotcrete with 20 cm thickness which utilized with steel bars IPE-140, IPE-160 and IPE-180 established and amounts of s...