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Bridges

Reliable foundation for bridges with predictable bearing capacity and stable geometry in the aquatic environment. Screw foundations provide an engineering basis for bridge structures in the channel and coastal zone without concreting, drainage of the water area and long technological pauses.
FULL ENGINEERING CYCLE FROM PILLAR
From the idea to the finished solution!

Trust us with your project and get full engineering support of the foundation - from calculations to installation with quality control at each stage.

From the idea to the finished solution!

Trust us with your project and get full engineering support of the foundation - from calculations to installation with quality control at each stage.

Engineering design of foundations on screw piles taking into account geology and hydrogeological conditions, design loads and project requirements. We select the type, diameter and depth of geo-groups for stable operation of the foundation under conditions of variable water level.
Own production of geo-groups with quality control at each stage - from steel selection to anti-corrosion protection. The foundations are designed for operation in an aquatic environment and meet the requirements for the durability of hydraulic structures and operating conditions.
Professional installation of geo-groups with control of verticality, torque and geometry of the foundation field. Installation is carried out without concreting and drainage of the water area, which allows you to implement the piers in a short time with minimal impact on the environment.

SCREW FOUNDATION FOR BRIDGES

The Bridge

A complex engineering structure that perceives significant vertical, horizontal and dynamic loads from transport, own weight of the structure, wind, ice impacts and currents. Foundation shall provide stability of supports, control of deformations and stable geometry in conditions of channel water operation.

Piles for bridge supports

Screw piles are deepened to the bearing layers of the soil below the bottom level, ensuring the transfer of loads from supports and superstructures to stable horizons. The solution allows you to form supports without large-scale concrete work in the channel and reduces the risks of uneven shrinkage.

Engineering approach

The foundation for the bridge is calculated individually taking into account transport loads, braking and horizontal forces, flow hydrodynamics, scour and actual soil conditions of the bottom.

Constructive solution

The screw foundation allows you to integrate piles with bridge supports and perform phased installation of structures without long technological pauses and waiting for a set of concrete strength.

ADVANTAGES OF THE FOUNDATION ON SCREW PILES FOR BRIDGES

The foundation on screw piles is an engineering solution for bridge structures in complex hydrogeological conditions.
Installation of piles does not require the creation of cofferdams and large-scale hydraulic engineering work.
Piles are calculated taking into account braking forces, currents and ice impacts.
Deepening to stable soil layers ensures reliable operation of supports in the channel zone.
The absence of concreting reduces interference with the natural environment and simplifies environmental approvals.
Bridge works can be performed in stages without long breaks between stages.

ENGINEERING CRITERIA OF THE FOUNDATION FOR BRIDGES

CRITERION 1

ESTIMATED IMMERSION DEPTH

Determined by the results of geological and hydrogeological surveys of the channel.
CRITERION 2

WORK IN THE RUSL ENVIRONMENT

CRITERION 2

WORK IN THE RUSL ENVIRONMENT

The foundation is designed taking into account currents, fluctuations in water level and flushing.
CRITERION 3

BEARING CAPACITY FOR TRANSPORT LOADS

CRITERION 3

BEARING CAPACITY FOR TRANSPORT LOADS

Piles perceive vertical, horizontal and dynamic actions from traffic.

CRITERION 3

BEARING CAPACITY FOR TRANSPORT LOADS

CRITERION 3

BEARING CAPACITY FOR TRANSPORT LOADS

Piles perceive vertical, horizontal and dynamic actions from traffic.
CRITERION 4

ANTI-CORROSION RESISTANCE

Materials and protective coatings provide durability in the aquatic environment.
CRITERION 4

ANTI-CORROSION RESISTANCE

Materials and protective coatings provide durability in the aquatic environment.
CRITERION 5

STABLE GEOMETRY WITHOUT SHRINKAGE

Installation without concreting minimizes the risks of deformation of the bridge supports.
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Installation Steps
Geology and construction design

For the correct design of the foundation, engineering and geological surveys and analysis of the design of the structure are carried out. This allows you to determine the design loads, soil conditions, the depth of the bearing layers and the requirements for the geometry of the foundation system.

ADAPTATION OF THE FOUNDATION FOR THE STRUCTURE

Based on the data obtained, PILLAR engineers calculate the number of supports, the step of their location and the depth of immersion. The parameters of the geo-groups are selected taking into account the loads, the type of structure and the required geometric stability of the foundation.

INSTALLATION AND READINESS FOR CONSTRUCTION

Screw piles are installed with control of verticality, torque and geometry of the foundation field. After completion of installation, the foundation is immediately ready for further construction of the structure without technological pauses and waiting for shrinkage.

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