The Negri company takes full advantage of the ETPO design & engineering office that specializes in maritime works.

Staff

• Four engineers, including three CHEC CHEBAP graduates (degree in construction)
• One manager, former works foreman
• Four designers

Our staff has, in particular, already produced many design notes relating to civil engineering works, heavy and highway and maritime construction works, and retaining structures. Pile foundations and dolphins are part of the company’s specialties, and are also subjected to validation by the design & engineering office.

Equipment

• IT equipment
The design & engineering office features equipment comprising computers, printers, plotters and professional, recent and efficient communication tools.

• Software

The design & engineering office uses the following major software applications (please click for more information):

C.A.D.

AUTOCAD, AUTOCAD LT
INVENTOR and DWF Composer

REINFORCED CONCRETE

Calculation of simple and combined bending of rectangular and circular sections using Robot
Calculation of supporting walls using Robot
Robot Millennium calculator
Calculation and verification of combined bending and axial load for any given section using FLEXI (Socotec)

PRESTRESSED CONCRETE

Pre-stress distribution calculation

ENGINEERING WORK

Bridge deck leveling calculations Road and track alignment calculations
Free-sliding bearing calculations (bridge piers, abutments, bearings)
Construction works jacking calculations
Bending calculations according to the Guyon-Massonnet method
Calculations of foundations based on a system comprised of leaning vertical piles
Neoprene bearing calculations using the NEOP software program
Test calculations

STRENGTH OF MATERIALS

Beam truss pre-stressed structure calculations using Robot Beam-truss structure calculations for engineering works using the ST1 software program
Circular section profile buckling calculations

RETAINING STRUCTURES

Retaining wall rupture calculation, in accordance with Blum’s method
Retaining wall elastoplastic calculation: RIDO and K-REA programs

FOUNDATIONS

Pile foundations calculations in compliance with the rules of the “Fascicule 62” publication, using the PILATE software program
Special pile foundations calculation according to the elastoplastic method, using the Hadès software program
Verification of fixed beams and retaining walls using the TALREN software program

DOLPHINS

Calculation for piles driven into the ground according to Blum’s rupture calculation method, using the DUCALB software program
Calculation for piles driven into the ground according to the elastoplastic method, using the PILATE software program
CALYPSO

• Studies & Methods department organizational chart