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Permeability test – Lugeon test

Permeability test – Lugeon test

July 26, 2018

Why 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 […]

Geological structure of Istria

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 […]

Rockfall barriers

Rockfall barriers

July 11, 2018

About rockfalls In mountain regions, infrastructure falicities and settlements are commonly to rockfall hazards. Transportation infrastructure, such as roads or railways, often has to pass through potentially hazardous mountain areas where it is possible to rockfall. Rockfall is defined as a free falling rock which is detached from rock mass and is moving downwards while […]

Open pit protection – Tobacco Factory Rovinj (TDR)

Open pit protection – Tobacco Factory Rovinj (TDR)

July 5, 2018

As a part of the Tobacco Factory Rovinj in Kanafanar, the reconstruction and extension of the hall is under development within the existing factory complex. For the construction, it was necessary to execute the open pit protection, so we carried out geotechnical exploration and investigations for this purpose and made the main and the detailed […]

Exploratory drilling

Exploratory drilling

June 29, 2018

Exploratory 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, 2018

Protection 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 […]

What are self drilling anchors?

What are self drilling anchors?

June 7, 2018

Self drilling anchors Self drilling anchors are special type of rod anchors. Self-drilling anchor consists of a sacrificial drill bit, hollow steel bar of the appropriate outer and inner diameter and coupling nuts. The anchor body is made of a hollow steel tube with an outer round thread. Steel tube has the sacrificial drill bit […]

Reconstruction and conversion of a former Croatian post office building in Rijeka

Reconstruction and conversion of a former Croatian post office building in Rijeka

May 18, 2018

Geotechnical exploration, investigation and foundation remediation for a former Croatian post office building in Rijeka A reconstruction and conversion of a former Croatian post office building in the street Korzo, in Rijeka, is currently underway.The Croatian post office building, the so-called Main post, was built in 1887. as an administrative-business building of the Royal Hungarian […]

Gabion walls

Gabion walls

May 11, 2018

Gabion walls – function, application, advantage The word „gabion“ comes from an old italian word, gabbione, that means „big cage“. Around 7000 years ago, early gabion type structures protected the bank of river Nile. In middle ages, gabions were used as military forts. In earlier history, civil engineers have extensively used gabions for stabillization of […]

Georadar

Georadar

May 4, 2018

Georadar (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, 2018

Number 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 […]

Open pit protection for Hotel Sensatori in Dubrovnik – reinforced concrete piles and strand anchors

Open pit protection for Hotel Sensatori in Dubrovnik – reinforced concrete piles and strand anchors

April 20, 2018

Open pit protection   Within the existing complex Plat, near Dubrovnik, a reconstruction and construction of a hotel complex Hotels Plat is foreseen. The complex is located in the municipality Župa dubrovačka, on a mild peninsula Plat on the east coast of a spacious coav. The whole complex of hotel Plat is spread across 6.3 […]

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

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 […]

Geotechnical exploration works – introductory part

Geotechnical exploration works – introductory part

April 4, 2018

Geotechnical 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, 2018

The 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 […]

Lošinj – Design solution for a retaining wall remediation

Lošinj – Design solution for a retaining wall remediation

March 23, 2018

Retaining Wall Remediation The retaining wall is located in the town of Mali Lošinj, along the Veloselska street (state road DC100) next to a sidewalk of the existing road. The wall has the function of a retaining wall for a parking lot located above the road. Cracks, as well as an inclination of the major […]

Foundation remediation with jet grouting

Foundation remediation with jet grouting

March 19, 2018

Jet grouting   Jet grouting is one of the technologies of foundation remediation. Foundation remediation of the buildings that are in function is very complex and it is necessary to adjust the technology to the conditions on site.   Jet grouting is a soil improvement method that converts a certain volume of soil into a […]

Rockfall protection – influence tunnel area Brzet

Rockfall protection – influence tunnel area Brzet

March 9, 2018

Rockfall protection   Rockfalls are usually initiated by natural forces, such as weather processes, erosion, heavy rains or earthquakes. Strong winds or storms can lead to falling of trees and vegetation that can cause rockfalls. Tree roots, their spreading and search for water-enriched micro-locations can also cause cracking of rock masses along the discontinuities and […]

Foudation remediation by using expanding geopolymers

Foudation remediation by using expanding geopolymers

March 2, 2018

Expanding geopolymers   Deep injection of expanding geopolymers is a relatively new and innovative way of solving foundation settlement problem. The original idea comes from Scandinavia, where the first experiments were made in 1975.   The method is based on the principle that a special expanding geopolymer is injected underneath the foundation with a pressure […]

Dynamic plate – ideal tool for determining soil constrained modulus

Dynamic plate – ideal tool for determining soil constrained modulus

February 23, 2018

Dynamic 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 […]

Former industrial complex Rikard Benčić – from tobacco factory to a cultural district

Former industrial complex Rikard Benčić – from tobacco factory to a cultural district

February 19, 2018

Geotechnical exploration and investigation and foundation design for Rikard Benčić In 1851, the production of tobacco started in an existing building of the old Sugar Refinery. At that time, it served as an administrative building for the tobacco factory, and then as an engine factory “Rikard Benčić”.The complex was expanded by a historicist four-story building […]

Foundation remediation – introduction

Foundation remediation – introduction

February 9, 2018

Foundation remediation technologies – When? Why? How? Whether you are an investor, an architect, a structural engineer, a supervising engineer or a designer, if you are interested in this subject you have probably come across this kind of problem. When the need for foundation remediation appears it is probably due to occurred unaccepted total or […]

Geotech’s short history – first 10 years

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 […]

Jet grouting – verification of the design requirements

Jet grouting – verification of the design requirements

January 24, 2018

Soil improvement method: Jet grouting Jet grouting is a soil improvement method that converts a certain volume of soil into a mortar, breaking down the soil structure using high energy fluid jets. The normal pressure used for jet grouting is approximately 500 bars, and the injection speed is about 300 m / s (1080 km […]

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, 2018

Wall 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, 2018

Foundation 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 […]

Meet Geotech team

Meet Geotech team

December 19, 2017

  Get to know the Geotech team     Morena Dujmović     When did you realize that you want to enroll in civil engineering college and for what reasons?   In high school. I was looking for something where I can apply mathematics and physics that isn’t boring.   What was your studying like […]

Geotech | Company profile

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 […]

Tunnel „T16“ precut protection- Construction of New Railway Section Kriva Palanka – Border with Republic of Bulgaria | Macedonia |

Tunnel „T16“ precut protection- Construction of New Railway Section Kriva Palanka – Border with Republic of Bulgaria | Macedonia |

December 12, 2017

Precut protection for the tunnel A challenging project we worked in the last couple of months is the precut protection for the tunnel „T16“ on the New Railway Section Kriva Palanka – Border with the Republic of Bulgaria, as Part of Corridor VIII. A interesting fact about corridor VIII is that it’s crossing the Republic […]

BIM World 2017 conference in Munich

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

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

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 […]

Tunnel Kupjak remediation

Tunnel Kupjak remediation

November 17, 2017

Tunnel remediation   We remember one of our interesting projects on the Kupjak tunnel, which is located on the railway M202 Zagreb GK – Rijeka. The town of Kupjak was named after the nearby Kupjak peak under which is the source of the Kupica spring, and it is interesting that there are four places of […]

Building pit protection of Roxanich’s hotel and wine cellar in BIM

Building pit protection of Roxanich’s hotel and wine cellar in BIM

November 6, 2017

Pit protection of Roxanich’s hotel and wine cellar At the site of the old cooperative cellar, built in 1902, at the foothill of the Istrian town of Motovun, a project whose investment worth 10.000.000,00 euros has been launched. This attractive project for the construction of Roxanich Heritage Wine Hotel and a 5-story wine cellar was […]