Measuring equipment for displacement monitoring
Measuring equipment for displacement monitoring
April 11, 2024(Inclinometers, Geodetic Points and Clinometers) The term deformation refers to all the changes that occur on infrastructure facilities or structures, in their surroundings during construction or use, as well as changes that occur after the completion of structure construction or on slopes — landslides. Geometric changes that occur on structures can be related to the […]
Geotechnical Investigation and Testing for the Jadroagent Logistics Center
Geotechnical Investigation and Testing for the Jadroagent Logistics Center
March 28, 2024The development of the Kukuljanovo industrial zone is progressing rapidly and we are witnessing the intensive construction of new facilities intended for production, logistics and sales. Among these new projects, the construction of a modern Jadroagent logistics center stands out. This new facility, the area of which will cover 10,000 square meters, is key infrastructure […]
The Effect of Moisture Content and Particle Size on Direct Shear and Oedometer Tests
The Effect of Moisture Content and Particle Size on Direct Shear and Oedometer Tests
December 7, 2023The general term “soil” is usually defined as the product of the weathering of the Earth’s crust. Different professions will consider those properties of soil that are most relevant to them. Where construction is concerned, the engineering properties of soil are paramount. These properties include moisture content, specific gravity, porosity, particle size, consistency limits, etc. […]
Geotechnical investigation and testing for Hotel Biševo in Komiža
Geotechnical investigation and testing for Hotel Biševo in Komiža
November 16, 2023The town of Komiža is located on the western coast of the island of Vis. On this location, right by the coast of the Adriatic Sea, in Ribarska Street, the construction of a new building — Hotel Biševo — is planned. This future building brings a combination of luxury and Mediterranean charm, and the architectural […]
Soil consistency limits
Soil consistency limits
May 25, 2023In its natural state, soil appears in various forms. All soil characteristics, from its natural humidity to the distribution of particle sizes, provide us with a background for understanding its behavior. Each piece of information that brings us closer to understanding its character helps us predict future situations or remedy existing ones at a particular […]
Open pit protection design for the Blu Mare hotel in Novigrad
Open pit protection design for the Blu Mare hotel in Novigrad
December 1, 2022Construction of a new accommodation and catering facility, a hotel, of a total area of 1101 m2 is planned within the historical center of Novigrad. Planned works The future hotel building is planned to have five floors (four above ground and one underground). The hotel capacity is 56 beds organized in 24 accommodation units (rooms). […]
Uniaxial compressive strength (UCS) test
Uniaxial compressive strength (UCS) test
November 10, 2022Hardness is the basic quantitative engineering property of a rock sample. Assessing the strength and deformability of rock mass is of great importance for the implementation of numerical analyses in rock mechanics. Uniaxial compressive strength (UCS) is a geomechanical rock parameter that describes the maximum axial load that the sample can withstand without lateral loading. […]
Open pit protection and foundation design – UPOV Požega
Open pit protection and foundation design – UPOV Požega
October 27, 2022In the eastern part of the city of Požega, the reconstruction and extension of the Požega agglomeration wastewater treatment plant (UPOV Požega) is planned. For the construction project, we made the main and detailed temporary open pit protection and foundation design for the following facilities: – facilities of the biological block (floor plan dimensions approx. […]
Dubravci landslide remediation on state road DC3
Dubravci landslide remediation on state road DC3
October 13, 2022The remediation works on the Dubravci landslide, located on state road DC3, section 012, at km 4+400 in Karlovac County, have been completed. For this project, we carried out the engineering geological and geotechnical investigation and testing and made the main and detailed landslide remediation designs. We also carried out the complete supervision of the […]
Video logging in boreholes
Video logging in boreholes
September 15, 2022For the purpose of design, construction and management of large hydrotechnical and geotechnical structures, there was a need for an instrument adapted for use in the karst area. Based on experience with the application and servicing of existing instruments, activities related to their improvement as well as the design of a new hydrogeological instrument for […]
Logging measurements in boreholes
Logging measurements in boreholes
September 1, 2022Geotechnical and hydrogeological investigations are carried out in order to determine the characteristics of the foundation soil and the water-bearing systems, which include logging measurements in boreholes. Logging measurements are geophysical measurements in boreholes that describe the physical properties of the drilled soil and rock and they are connected to geological and petrological properties. Physical […]
Brebornica landslide remediation on the DC1 state road
Brebornica landslide remediation on the DC1 state road
July 28, 2022The remediation works on the Brebornica landslide, located on state road DC1, section 011, at km 4+500 in Karlovac County, have been completed. For this project we carried out the engineering geological and geotechnical investigation and testing and made the main and detailed landslide remediation design. During the execution of the works, we also carried […]
Geotechnical investigation and testing on the M104 Novska–Tovarnik–DG railway line, section Sibinj–Slavonski Brod
Geotechnical investigation and testing on the M104 Novska–Tovarnik–DG railway line, section Sibinj–Slavonski Brod
June 30, 2022The M104 railway is an integral part of the main line that connected the cities of Ljubljana, Zagreb and Belgrade during the Yugoslavia era. This route was built in sections in the period from 1849 to 1897 at the time of the greatest 19th-century development of railway infrastructure in the world. The Slavonski Brod–Sibinj section […]
Grain size analysis
Grain size analysis
April 28, 2022All soils consist of differently sized and shaped particles (grains). These particles are grouped into size intervals (fractions). The distribution of fractions makes up the granulometric composition of soil (Latin granulum – small grain). The granulometric composition or particle size distribution of soil is one of its basic descriptive parameters, used for evaluating the physical […]
Drilling a geothermal borehole
Drilling a geothermal borehole
April 19, 2022In the search for cleaner and more environmentally friendly forms of energy, i.e., renewable energy sources, geothermal energy presents itself as a good solution. Geothermal energy is thermal energy generated in the interior of the Earth by the slow decay of radioactive elements, chemical reactions, or friction during the movement of tectonic masses. The amount […]
Geotechnical investigation and testing – Port of Omiš
Geotechnical investigation and testing – Port of Omiš
March 11, 2022The reconstruction of the paved promenade and the construction of a pier with docks are planned in the coastal part of Omiš, near the river Cetina estuary. To prepare the detailed design for the reconstruction of the port open to the public, we have carried out geotechnical investigation works and drafted a geotechnical report. Geological and […]
Construction of a piezometric well
Construction of a piezometric well
February 24, 2022Groundwater is one of the most important natural resources. In order to gain insight into the quality and quantity of groundwater we use piezometric wells. Piezometric wells are used to monitor groundwater levels and determine aquifer parameters such as transmissibility, hydraulic conductivity and storage, and they also give us the ability to sample groundwater for chemical […]
Marine geophysics
Marine geophysics
December 14, 2021In certain cases, conventional offshore geotechnical investigation and testing (exploratory drilling) of the foundation soil are not possible or are highly complex to carry out, which directly affects the financial aspect of the project. In such cases, geophysical surveys of the foundation soil are used instead. Geophysical surveys include the application of geophysical methods for […]
Direct shear
Direct shear
November 25, 2021Taking into account the intended function and the client requirements, each building is evaluated to anticipate its performance in order to ensure the safety of its future users. This applies to both the building itself and the foundation soil. The permissible loads and deformations are taken into account—these will depend on the structure and the […]
Oedometer soil test
Oedometer soil test
July 29, 2021Predicting the settlements of structures is one of the most demanding problems faced by designers in geotechnics. Disregard and incorrect assumptions about foundation soil compressibility can lead to additional stresses within the structure and ultimately to its cracking and collapse. Two components are most important to designers observing settlements: the value of the total settlements […]
Geotechnical investigation and testing – Albatros 2 Hotel in Cavtat
Geotechnical investigation and testing – Albatros 2 Hotel in Cavtat
May 11, 2021The construction of a new Albatros 2 Hotel building is planned on a plot of about 50 thousand square meters near the town of Cavtat, about 850 meters from the historic center between the Žal Promenade and Put od Oboda Street. Planned works Sports courts and the existing Albatros 1 Hotel built in the seventies […]
Groundwater level measurement
Groundwater level measurement
April 16, 2021Groundwater is one of the greatest treasures of Croatia, but in geotechnics it often causes great problems when excavating open pits. In the Republic of Croatia, about 90% of drinking water is in the form of groundwater. To better understand the processes related to groundwater, long-term (one year minimum) monitoring of groundwater levels is necessary. […]
Foundation and retaining structure design – Radeševo cable car, Platak
Foundation and retaining structure design – Radeševo cable car, Platak
March 11, 2021As part of the Platak Sports Center, there is a cable car in Radeševo for sporting and recreational purposes, which was built in the 80s. In order to achieve a higher passenger capacity of the cable car and provide additional services (transport of passengers and bicycles when the cable car is not being used for […]
INA Rijeka Refinery Modernization Project
INA Rijeka Refinery Modernization Project
November 12, 2020The modernization of the Rijeka Oil Refinery is the largest single investment project in the history of the INA oil company. The project includes the construction of a heavy waste treatment plant, the reconstruction of existing units, as well as the construction of a new port with a closed coke warehouse at the INA Rijeka […]
Laboratory testing of rock mass strength
Laboratory testing of rock mass strength
September 10, 2020Laboratory testing is one of the most important segments in the study of rock properties and behavior in different conditionst is an integral part of geotechnical exploration and investigation works. There are several methods of laboratory testing of rock mass strength, and the most important are UCS (Uniaxial compressive strength), PLT (Strength index determined by […]
Landslide mapping using Remote Sensing
Landslide mapping using Remote Sensing
March 13, 2020Landslides are phenomena that occur as a result of sliding processes. In some cases, landslides can also occur after other types of movement which occur either immediately after a breakdown or later, when a mass moves down a slope, as a consequence of the changes in the properties of the triggered material. Landslide mapping methods […]
Deep foundation for a new school building in Osijek
Deep foundation for a new school building in Osijek
December 19, 2019The construction for a new school building of the Prva gimnazija high school is planned in the northwestern part of Osijek. The site is located between Strossmayerova street to the south, opposite the Pejačević Castle, with Podravska street to the east and the river Drava to the north. Planned works The new building will cover […]
Investigation works for the Alpha Centauri campus of the Infobip
Investigation works for the Alpha Centauri campus of the Infobip
November 22, 2019On a 20,000 square meter lot in Zagreb, at the crossroads of Utinjska and Lukoranska streets in Sveta Klara district, the foundations for Alpha Centauri, the new Infobip campus, have been placed. Planned works The new facilities will cover 11,900 square meters and have seven stories (north side of the building) and four stories (south […]
Geophysical surveys
Geophysical surveys
September 26, 2019Geophysical surveys include the implementation of geophysical methods to indirectly determine the geological and structural as well as the physical and mechanical characteristics of the foundation soil. These methods are used to determine the layout, thickness and properties of individual layers below the terrain surface, on which the construction of a specific structure is planned. […]
Geotechnical and engineering geological exploration and investigation works – Korčula port, location Polačište
Geotechnical and engineering geological exploration and investigation works – Korčula port, location Polačište
August 29, 2019Planned work – construction of the new Korčula port, location Polačište The project site is located at Polačište, on the northern side of Korčula island, approximately 1.5 km west of the old town of Korčula, within the construction area of Zrnovo town. The planned structure will be a port open for public transport, primarily for […]
Offshore exploratory drilling
Offshore exploratory drilling
July 17, 2019Exploration for construction of marine structures Offshore exploratory drilling includes a combination of drilling, sampling, in situ testing, as well as laboratory tests on soil and rock samples. Marine structures belong to a group of extremely complex construction projects. It is very important to be familiar with underwater geological conditions in order to predict all […]
Cone Penetration Test with pore water pressure measurement (CPTU)
Cone Penetration Test with pore water pressure measurement (CPTU)
June 13, 2019A cone penetration test with pore water pressure measurement, or CPTU, is a static penetration test with water pressure measurement. The main purpose of CPT (CPTU) testing is to identify subsurface conditions: classify soil, detect layers and measure strength, determine deformation characteristics and the permeability of foundation soils. This is done mainly on the basis […]
3D geological model
3D geological model
May 3, 2019In order to increase the quality of project documentation through more detailed preparation, gets insight into potentially problematic situations, and other technical solutions we create 3D geological models. What is a 3D geological model? A 3D geological model represents a spatial view of the foundation soil structure in the observed area. It is used as […]
Point load test (PLT)
Point load test (PLT)
February 7, 2019The Point load test is an index test by which the rock is classified according to the strength. The test can be used to estimate other characteristics of intact rocks with which it correlates, such as uniaxial compressive and tensile strength. The test determines the strength index values at a point (Is (50)) and the […]
How to determine the age of a rock?
How to determine the age of a rock?
October 29, 2018The age of a rock is determined by stratigraphy, a branch in geology which studies the chronology of events and changes, along with the development of organisms, which have determined the development of the Earth from when it became an independent spatial body until today. The age, or the chronology of geological creations and events […]
How to build on unstable terrains and avoid landslides?
How to build on unstable terrains and avoid landslides?
September 27, 2018How to avoid landslides? In today’s blog, we present you examples of good practice in building structures on potentially unstable slopes. The temperatures are falling, the autumn is in front of us and we are expecting soon, wanting or not, the rainy periods that will actualize the subject in geotechnical engineering – LANDSLIDES. We have […]
Light dynamic penetrometer (DPL)
Light dynamic penetrometer (DPL)
September 6, 2018About light dynamic penetrometer Light dynamic penetrometer (DPL) is used for testing the thickness of different soil layers, control of soil density or consistency and determination of strength and deformation parameters. In general, if the ground is not too dense or consistant, penetration tests can be carried out to depths of about 8 to 12 […]
Permeability test – Lugeon test
Permeability test – Lugeon test
July 26, 2018Why we need permeability test? Permeability test is necessary on terrain where are predicted soakaways which store water after big rainfall and provide efficient soil infiltration. Usually they are used in areas where surface run-off cannot be disposed into existing sewers or watercourses. A Soakaway is constructed in one of two basic forms: Conventional soakaway […]
Exploratory drilling
Exploratory drilling
June 29, 2018Exploratory drilling represents common underground research methods in geotechnical investigation works. It provides visual insight into the geological and geotechnical profile of the explored site. The most important result of the exploratory drilling is the drilling core that represents the depth profile of the studied position. In the way of performance, we differentiate the following […]
Protection of the rock slope on the part of state road D501, between Hreljin and Križišće
Protection of the rock slope on the part of state road D501, between Hreljin and Križišće
June 14, 2018Protection of the rock slope Geotechnical works on protection of slopes on parts of state road D501, between Hreljin and Križišće are in progress. For these parts of state road D501 we have already carried out exploration works and made the main design and detailed design. State road D501 was conduct with cutting in natural […]
Georadar
Georadar
May 4, 2018Georadar (Ground penetrating radar) Ground penetrating radar is a geophysical method that uses radar impulses for getting an image of subsurface state and condition. Georadar is applied for: – locating and marking of underground installations (power, water, gas, optics, abandoned pipes, illegal connections etc.) – archaeological exploration (fort, walls, object and bone […]
How to determine number and depth of exploration boreholes?
How to determine number and depth of exploration boreholes?
April 27, 2018Number and depth of exploration boreholes Like we have written in previous blogs, exploration works, geotechnical exploration works are an important part of each project. Unquality and unprofessional exploration works can lead to structural damage and costly and difficult remediation. The position and depth of exploration and investigation has to be selected based […]
Geotechnical exploration works – introductory part
Geotechnical exploration works – introductory part
April 4, 2018Geotechnical exploration works Geotechnical exploration works present one of the most important part in the developing phase of a new investment and a geotechnical designer should be included in the earliest possible phase of design. A large part of our business is connected to geotechnical exploration and investigation and their quality is a precondition for […]
Exploration works for a dry dock in Brodosplit
Exploration works for a dry dock in Brodosplit
March 29, 2018The shipyard Brodosplit is located in the Split-dalmacija province, in the northern part of Split. More accurately it is located on the north bank of the Split peninsula in the Kaštelan bay. The shipyard produces military and civil vessels and is spread across an area of 560.000 meters squared. A construction of a dry dock […]
Dynamic plate – ideal tool for determining soil constrained modulus
Dynamic plate – ideal tool for determining soil constrained modulus
February 23, 2018Dynamic plate For the beginning, let us consider a hypothetical scenario. A building has been constructed, e.g. a business warehouse. The new owner has begun noticing cracks in the walls and even a light-leaning of the building after a certain time. The problems are probably large settlements of soil under the building’s foundations. In that […]
Remediation of eastern fortification walls in the town of Krk – from geotechnical report to building supervision
Remediation of eastern fortification walls in the town of Krk – from geotechnical report to building supervision
January 15, 2018Wall remediation of eastern fortification walls Krk’s fortification walls consist of several town gates, castles and two independent towers. These fortification walls date back to the 6th century BC. Those prehistoric walls were mentioned for the first time in an inscription of their renewal from the 1st century BC, which is situated today in […]
Foundation design of the garage beside Hotel Adriatic in Opatija – a combination of shallow foundations and deep foundations
Foundation design of the garage beside Hotel Adriatic in Opatija – a combination of shallow foundations and deep foundations
January 9, 2018Foundation design of the garage As part of the existing hotel Adriatic in Opatija, it is necessary to extend the parking capacity and it was decided to build a multi-story parking building (G + 3 floors) at the back of the hotel. The location of the future garage is located on the southern […]