Bonna Indonesia is a joint venture between Bonna Sabla and Intermix-DSP sell standard products from a catalogue but made-to-measure premium solutions . Bonna Sabla concrete pipes. Uploadé par . BONNA SABLA’s solution What is the BONNA end-rings .. st_calvo. Catalogue Shock Absorbers. For further information. BONNA SABLA’s solution What is the BONNA pipe? • A steel core made of rolled steel plates welded lengthwise or helically with welded .

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Le Bugey nuclear power station, dia. Maximum safety with regard to floating risks: Pipe jackingThis technique makes it possible to instal pipes with diameters up to mm underground. Buried conditions Aboveground conditions Submerged conditions including sea-water Submerged pipeline Folkestone, dia.

The in-house project design department provides: Jointing of sections underwater by means of ER joints. Arzew Natural Gas Liquefaction complex, dia. A French company specialized in precast concrete catakogue. Aboveground pipeline Rhne Poulenc plant, dia. Subsea special Folkestone United Kingdom Clarinet for pumping station Tricastin power station France x x mm wye Koreimat power station Egypt Specifications and Quality AssuranceFlanged adaptor with anchor bars, dia.

As heading proceeds, the soil is excavated from inside and upstream the string of pipes. There is no need for maintenance inspection. A double concrete coating placed: A steel core made of rolled steel plates welded lengthwise or helically with welded A steel reinforcement made by helical winding of a steel wire at a constant pitch. Among the technologies and services available: Resistance to vacuum conditionsThe pipeline shall withstand full vacuum conditions water-hammer, empty pipeline, sudden emptying Resistance to pressureLauris water supply France The steel core characteristics are determined so as to resist the maximum working pressure and the factory testing pressure.


The largest Indonesian group involved in precast concrete products for construction and civil works. Onshore assembling of pipes into sections Folkestone offshore outfall, dia. ER flexible type of joints and SL welded type of joints are used, depending on the diameter and the site conditions. Bonna Sabla belongs to Consolis, the largest European company in prefabrication with more than factories. At the rear of the microtunnelling machine, a string of pipes is pushed ahead in the same way as in pipejacking.

Nomblot – Bonna Sabla

Longitudinal tensile strengthIn case of a pipeline being pulled into place, the steel cylinder tensile strength will be used. Home Documents Bonna Sabla concrete pipes.

Besides, the head-losses inside the pipeline remain low as time goes by.

Excavating is performed by drilling machines or by full-face shields. Continuous towing of the pipeline sections. Continuous towing of the stringsSte offshore outfall, dia.


Deformation resistance test in Span pipe – River-crossing in Arcachon France Cavalaire mm dia. This pipeline is still in service. Any type of prefabricated concrete products. Protection against abrasion and high hydraulic gradientBecause of its high strength and compactness, BONNA pipe concrete inner wall does not require any specific protection against abrasion caused by the usual carried fluids.



Longitudinal compressive strengthIn case of installation by jacking or microtunnelling, the external reinforced concrete compressive strength will be used. Minimum digging operations in the sea bottom: Post on Nov views. Bonna RCCP pipes have been a reference solution for industrial and engineering clients with proven and reliable performance and several thousand references for over years on a worldwide basis.

Durability in any kind of waterFolkestone subsea outfall, dia. Jointing of pipeline sections together by means of SL welded joints. Demonstrated durability with over years of proven performance creating precast concrete solutions. Operations performed by divers.

Bonna Sabla concrete pipes – [PDF Document]

Floating of sections to their sinking position. Pressure watertightness of the steel components systematic tests throughout the manufacturing stage.

Hydroelectric plant Switzerland Lauris Water supply dia.