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Impact of Waste Disposal on Landfill Stability

October 17, 2024

Waste disposal at landfills is a complex process that requires precise planning, design and management to minimize the risks of environmental and safety issues and to ensure the long-term stability of the landfill structure. The stability of the landfill depends on a range of factors, including geological, technical and ecological aspects, and the proper control […]

Laboratory Accreditation According to Standard HRN EN ISO/IEC 17025

June 20, 2024

HRN EN ISO/IEC 17025 is an international standard that establishes general requirements for testing and calibration laboratories according to which they can initiate a standardized management system and verify their competence for testing, calibration and sampling which they might carry out in their field of work. This standard sets requirements for technical competence, quality management […]

Geotech at the 18th Days of the Croatian Chamber of Civil Engineers 2024

June 18, 2024

We are proud to announce that have participated in the 18th Days of the Croatian Chamber of Civil Engineers, which were held in the beautiful city of Opatija at the Ambassador Hotel. This event, the largest congress gathering in Croatia brought together as many as 1700 civil engineering professionals this year. Organized by the Croatian […]

Caesarea Maritima: Pioneering Hydraulic Concrete in 22-10 BCE

May 23, 2024

Caesarea Maritima, a city constructed over 2,000 years ago (circa 22-10 BCE) on the Eastern Mediterranean coast, stands as a testament to Roman engineering and the ambitious vision of Herod the Great (r. 37-4 BCE). This metropolis, featuring a colossal harbor, became a central maritime trading hub of its time. Remarkably, Caesarea Maritima boasted the […]

3 rd Open Days of Geotechnics – Secondary School of Civil Engineering in Rijeka, May 2024

May 14, 2024

In cooperation with Rijekaprojekt geotehničko istraživanje d.o.o. and the Secondary School of Civil Engineering in Rijeka, we organized the Open Day of Geotechnics for the third year in a row. This event is not only an opportunity to promote geotechnics, but also an indicator of our investment in young people and their education. This year’s […]

The Geological Development of Coastal Croatia

November 2, 2023

The geological development of Coastal Croatia is characterized by intense tectonic processes that have changed and unfolded over millions of years. As a result, the surface of Croatia consists of various types of rocks, deposited and deformed under different circumstances. However, a large part of Croatia, almost the entirety of Coastal Croatia, is composed of […]

Construction of “The Line” – the megacity of the future

September 26, 2023

In the desert of Saudi Arabia, more precisely in the province of Tabuk in the northwest of the country, impressive works are underway on the construction of a futuristic megacity called “The Line”. This project, the value of which is estimated at 500 billion dollars, represents one of the most ambitious urban planning undertakings in […]

The first undersea roundabout in the world

August 3, 2023

The Faroe Islands, a picturesque archipelago in the North Atlantic, are known for their beautiful nature and one unique attraction – the world’s first undersea roundabout. This magical circular roadabout plays a key role in shaping the environment and the ecosystem of the Faroe Islands. Named “Jellyfish”, the undersea roundabout resembles a large jellyfish or […]

Expansive clay

July 20, 2023

Clays belong to sedimentary deposits and are defined as soils with particles of colloidal dimensions. Basically, they consist of hydrated aluminosilicates, but due to variations in structure and mineral composition, more than 30 clay minerals have been defined, each with its own properties. Furthermore, their properties change significantly with changes in the conditions in which […]

Geotech at the Days of the Croatian Chamber of Civil Engineers in Opatija 2023

July 4, 2023

In the beautiful Ambasador Hotel in Opatija, from June 15 to June 17, 2023, the 17th Days of the Croatian Chamber of Civil Engineers were held. This event has already become traditional, and it is recognized as an excellent opportunity for experts of different profiles from the field of construction to get together and exchange […]

2nd Open Days of Geotechnics – Secondary School of Civil Engineering in Rijeka, May 2023

May 11, 2023

Investing in knowledge, education and young people is a long-term process that gives the best results when it is carried out regularly and systematically. As a society, we must recognize the importance of investing in education to build a resilient and sustainable future. This was exactly our motivation to organize the 2nd Open Days of […]

Dynamic compaction

March 23, 2023

Good-quality compaction is highly significant for the proper relationship between the bearing capacity and deformation in connection with safety, usability, life span and maintenance of structures either lying on earth material or made of such material. Dynamic compaction (DC), also known as dynamic deep compaction, is a ground improvement technique in which drop weight, typically […]

The Adriatic Highway, one of the most beautiful roads that changed Croatia

December 15, 2022

After the Second World War, most of the towns and cities on the Adriatic coast in Croatia were connected only by sea. What was lacking was a solid road link. During the Second World War, the construction of the Adriatic Highway was already begun, and it lasted until 1965. This road stretches from the Slovenian […]

Professional excursion to Pelješac

July 19, 2022

To keep up with the steady and constant company growth and the increasing number of projects we are involved with, we organized a professional excursion to visit the active construction sites in the southern part of Croatia. On our trip, we visited some impressive construction sites for the projects we were a part of, all […]

Open Days of Geotechnics – Secondary School of Civil Engineering School in Rijeka, May 2022

June 1, 2022

Quality education is a fundamental part of all social activities and it reflects the values of society. To ensure a prosperous future for young people, the whole community must invest in knowledge. The key to the success of any modern society is to connect the education and higher education system with the labor market and […]

Project Documentation Audit

May 24, 2022

An audit is the process of reviewing and controlling project documentation conducted by persons authorized by the Ministry of Physical Planning, Construction and State Assets. In accordance with the law, project documentation is controlled with regard to the mechanical resistance and stability of structures. A person may be authorized to perform project documentation auditing if […]

Underground fortifications and shelters in Rijeka and its surroundings

March 31, 2022

shelters in Rijeka

Underground Stone Exploitation

January 14, 2022

Underground exploitation is a relatively new approach to stone exploitation. While surface exploitation is still the most common method of obtaining stone, the underground method can replace the former method in those situations where the exploitation process is technically demanding and economically unprofitable. Despite a number of advantages of underground exploitation over surface exploitation, it […]

Geofluid 2021

September 23, 2021

Last week our path took us to the city of Piacenza near Milan, where we attended one of the most important fairs for drilling machines, mining industry, special foundations, and geological, geophysical and geotechnical investigation and testing—the Geofluid 2021. Together with our partner company Rijekaprojekt geotehničko istraživanje d.o.o. we explored the entire fair, looking at […]

KOLOS, the most significant award for construction in Croatia, presented to our very own Mirko Grošić for the open pit protection design for the Roxanich Heritage Wine Hotel and Wine Cellar project

June 25, 2021

At the 15th Days of the Croatian Chamber of Civil Engineers in Opatija, on June 17, 2021, the winners of the annual Kolos Awards were announced. The Kolos Awards are presented for special contribution to the Chamber and its promotion in the country and abroad, for contribution to the construction profession and for the development […]

A case of foundation soil failure – the Transcona grain elevator

June 10, 2021

The Canadian Pacific Railway Company built the Transcona grain elevator near Winnipeg, Canada in 1913. The warehouse was designed to store grain from the city of Winnipeg and the wider area. Winnipeg, being located at the intersection of roads connecting the east and the west of Canada, developed one of the largest grain markets in […]

Discovery of Mohorovičić’s (Moho) Discontinuity

April 1, 2021

Andrija Mohorovičić was a Croatian geophysicist, born on January 23, 1857 in Volosko near Opatija. After finishing primary school in Volosko and high school in Rijeka, he moved to Prague where he studied mathematics and physics at the Faculty of Philosophy. One of his professors was Ernst Mach, the famous physicist. After graduating, he worked […]

QUALITY STANDARD CERTIFICATES ISO 9001:2015 and SCCP:2011

October 9, 2020

In order to ensure the quality and efficiency of our services, we decided to upgrade our business processes with certificates of quality. The certification scope of our work is geotechnical investigation and testing, design services, supervision and consulting in geotechnical engineering. The certification procedure has proved the top quality of our services as defined by […]

Lighting effects in the longest road tunnel in the world – the Lærdal Tunnel, Norway

October 7, 2020

Norway is a country of an exceptional landscape, known for its fjords and high mountains, so it is no wonder that Norwegians build tunnels that not only pass through hills and mountains but also connect fjords.The Lærdal Tunnel is the longest road tunnel in the world. This impressive 24.5 km long tunnel stretches between Aurland […]

Sign up for Knowledge Transfer – a project of the University of Rijeka Foundation

September 14, 2020

As part of the Riječka ideja, the University of Rijeka Foundation in cooperation with the companies Alarm Automatika d.o.o. and Geotech d.o.o. has announced a competition for the granting of the Knowledge Transfer Award. Since we are always happy to respond to calls for cooperation from the University of Rijeka Foundation, we decided to participate […]

Local soil conditions – Mexico City earthquake

August 27, 2020

What is earthquake? An earthquake is the shaking of the ground surface. It is result of sudden fracture and slippage of brittle rock formation in the Earth’s lithosphere that creates seismic waves. Seismic waves propagate through the earth in all directions. The ground shaking is caused by the waves that reach the earth’s surface. Shaking […]

Palm Islands – a view from space

July 9, 2020

The Palm Islands are the largest artificial islands in the world. Built in the shape of a stylized palm tree, they are located on the outskirts of Dubai in the Persian Gulf. They are so large that they are visible to the naked eye from space. To create the look of the perfect palm tree, […]

The Louisiana – from the most important road in history to a tourist attraction

April 23, 2020

The Louisiana road (also known as Louisiana and Via Ludovice) was one of the most important roads in Croatian history. It was the shortest road connecting Rijeka and Karlovac and one of the most significant roads in Austria-Hungary. Not only did it meet the requirements of developing commerce and both manufacturing and industrial production at […]

Ancient Roman roads – a monument to history and road construction

March 26, 2020

The ancient Romans were famous builders. They left behind them many bridges, canals, stone-paved roads and other engineering masterpieces all throughout the Roman Empire. The vast Roman Empire boasted a very large and extensive network of roads. It is estimated that the roads in the network were more than 400,000 km long and that over […]

GIS system application in business planning

February 25, 2020

Regardless of the type of data, objects and activities one is working with, the easiest way to manage and organize them is by using a system. In the case of business and spatial planning, the most useful is the geographic information system, or GIS. Although all systems involve connecting activities and objects that serve a […]

Three-dimensional numerical analysis – Plaxis 3D

February 14, 2020

It seems almost unimaginable today to conduct a problem analysis and structure calculation in geotechnical engineering without the use of numerical modeling. The use of advanced numerical methods, such as the finite element method, allows us to carry out complex analyses that help us describe soil behavior and structure, as well as their interaction. Because […]

A review of the past year – The year of the major projects

February 7, 2020

Geotech’s CEO Mirko Grošić gives a brief overview of 2019, a successful and eventful year in all business aspects. Read the following interview to find out what was most significant in the past year and what our plans for the future are… How satisfied are you with what you achieved during the past year? The […]

Speleological objects in flysch

July 11, 2019

Speleological objects are natural underground cavities whose dimensions are such that a man can enter them in order to be able to directly observe, map and explore them. The scientific discipline that studies speleological objects is called speleology (Bočić, 2009). Speleological objects are divided into caves and pits. The formation of speleological objects (speleogenesis) takes […]

Flysch – term, characteristics, weathering…

May 31, 2019

Flysch is a term for sedimentary rock sequence, deposited in a deep basin formed on the continental edge of mountain mass. Flysch sequence is characterized by progressive deposition of deep-water turbidite sediments up to shallow-water shales (claystones and siltstones) and sandstones. Considering the area of Croatia, flysch sediments are deposited within alpine orogenesis, which formed […]

Bauma 2019 – a look into the future

April 16, 2019

And this year, from 8th to 14th of April, Bauma has opened its doors to present new world trends in the construction engineering sector. With a multitude of exhibitors, visitors and great media attention, it deservedly takes a position of the leading trade fair in the world. About Bauma Bauma is the world’s leading trade […]

Vajont – a tragedy that killed more than 2,000 people

March 8, 2019

Fifty six years ago today, Italy suffered the worst man-made environmental disaster in its history: an inland tsunami that swept away entire villages and left nearly 2,000 bodies behind. A reinforced concrete dam with a height of 262 meters (859 feet) is located in the valley of the Vajont River under Monte Toc in Dolomites, Italy. […]

Tunnel of the future in Northern Europe

November 29, 2018

Norway is a country of fjords and glaciers, lakes, mountains, forests and wooden houses in fishing villages and legendary myths. However, the most famous symbols of Norway are fjords, winding sea bays emerald green in color. These are actually sunken valleys of former icebergs which have been hollowed by mechanical erosion, deep below sea level […]

Realizator 2018.

October 19, 2018

The University of Rijeka Foundation presented the third edition of the university case study contest “Realizator 2018”. The grand opening of the university case study competition was held on October 17th, in the premises of the STEPRI – Education Center of the University Campus in Rijeka. What is Realizator? The Realizator case study competition was […]

The 10 megaprojects through history

September 20, 2018

We are living in world full of miracles made by human. From the world’s longest to the world’s tallest project in civil engineering. They all have been constructed for some purpose: maybe for defense, transport or luxury, in every way engineering has taken a great leap to create these miracles. The following engineering projects qualify […]

Geological structure of Istria

July 19, 2018

What is geology? Geology is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time. Geology demonstrates the history of the Earth and provides the primary evidence for plate tectonics, the evolutionary history of life, and the Earth’s past climates. Understanding […]

Why the Tower of Pisa commence to lean? And how the inclination was stabilised?

April 10, 2018

The Tower of Pisa is the bell tower of the Cathedral and it is one of the monuments within the medieval Piazza dei Miracoli. Its construction began in 1173 and it was continued (with two long interruptions) for about two hundred years until 1370. The construction process can be seen in the illustration below. As […]

Geotech’s short history – first 10 years

February 2, 2018

Geotech’s history This year we are celebrating our 10th anniversary, and as a manager and the owner of the company, I was chosen to write a short blog about the first 10 years of Geotech. My task was to describe the most memorable moments – the greatest successes and failures, most significant projects, some […]

Geotech | Company profile

December 15, 2017

Geotech Company profile Company Geotech Ltd is a company specialized in designing, supervision and consulting in geotechnical engineering. Our services are: Geotechnical exploration and investigation for all kind of structure Open pit protection of hotels and touristic objects, shopping centers, residential and business buildings Retaining structures in the near vicinity of objects of transport infrastructure, […]

BIM World 2017 conference in Munich

December 11, 2017

Our trip to BIM World conference On November 29 and 30, 2017, we participated in the conference BIM World 2017 in Munich within Munchnen Messea. The Conference represents one of the biggest events on the topic of BIM in Germany, Austria and Switzerland. The Conference was attended by more than 120 exhibitors, 2000 visitors […]

Repair of the Dražica wastewater outfall

December 6, 2017

One of our current untypical projects is located in the Kraljevica harbor, which is the Dražica wastewater outfall and it stretches from the seacoast wall to the center of the Kraljevica harbor towards the west. The outfall pipe is completely underneath the sea level, and the outfall ends at a depth of approximately 13.00 meters […]

Interview – Mirko Grošić

November 28, 2017

MEET MIRKO GROŠIĆ When did your love towards civil engineering start? My love towards engineering and technical science started when I was young, but I started to like civil engineering on my 3rd year of faculty when I got the true impression of what civil engineering is through lectures and after visiting a construction […]