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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It is thus possible to avoid the use of bulky and costly thrustblocks at changes of direction. Pipe jackingThis technique makes it possible to instal pipes with diameters up to mm underground. Deformation ResistanceThe reinforced concrete provides the pipeline with the transverse rigidity required for resisting backfill loads and live loads.

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Maximum safety with regard to floating risks: ER joints for easier connections. Buried pipeline Water supply pipeline, dia.

The largest Indonesian group involved in precast concrete products for construction and civil works.

Aboveground pipeline Rhne Poulenc plant, dia. Bonna Indonesia is not only a producer of high quality prefabricated concrete elements but is with your company from the initial design to the end of your PROJECT. Hydroelectric plant Switzerland Lauris Water supply dia. An outer reinforced concrete wallProtecting the steel cylinder from external aggressive agents soil, underground water table, and taking the stresses due to backfill and external dead and live loads.

ER flexible type of joints and SL welded type of joints are used, depending on the diameter and the site conditions. Post on Nov views. Sea-water cooling system for refinery – La Mde France Underwater pipeline, dia. Operations performed by divers.

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. The in-house project design department provides: Floating of sections to their sinking position.

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Excavating is performed by drilling machines or by full-face shields. It does not only sell standard products from a catalogue but made-to-measure premium solutions according to each customer specific requirements. Pressure watertightness of the steel components systematic tests throughout the manufacturing stage. Among the technologies and services available: 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.

Buried conditions Aboveground conditions Submerged conditions including sea-water Submerged pipeline Folkestone, dia.

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. This effect is enhanced by the high compactness of concrete obtained by high frequency vibration, centrifugation Jacking pipe – Madrid Spain 6Properties and advantagesResistance to external stressesResistance to impact loadingDuring and after laying, the pipeline may be submitted to shocks and blows that are likely to damage its coating, and even to destroy its physical integrity.

BONNA has thus adjusted its to mm dia. Bonna Indonesia provides, when required, tailored-made engineered solutions not commodities. Arzew Natural Gas Liquefaction complex, dia.

Typical offer includes not only simple concrete elements but generally combines other non-concrete materials i. Fitting by means of hydraulic jacks. This pipeline is still in service. The welded joints totally transmit the stresses sustained at changes of direction to the pipeline.

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Home Documents Bonna Sabla concrete pipes. A double concrete coating placed: Continuous towing of the pipeline sections. Durability in any kind of waterFolkestone subsea outfall, dia. Besides, the head-losses inside the pipeline remain low as time goes by.

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Installation by bottom tow Onshore assembling of catslogue into strings by means of SL welded joints.

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Measurements taken in the inlet caatlogue of Saut hydroelectric plant in France confirm the characteristic value, K, of 0. Jointing of sections underwater by means of ER joints. Longitudinal compressive strengthIn case of installation by jacking or microtunnelling, the external reinforced concrete compressive strength will be used.

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. Resistance to vacuum conditionsThe pipeline shall withstand full vacuum conditions water-hammer, empty pipeline, sudden emptying Continuous towing of the stringsSte offshore outfall, dia. Golfech nuclear power station, dia.

Demonstrated durability with over years of proven performance creating precast concrete solutions. At the rear of the microtunnelling machine, a string of pipes is pushed ahead in the same way as in catxlogue. Waste water delivery pipe at Colombes factory France – dia. Le Bugey nuclear power station, dia. Deformation resistance test in Span pipe – River-crossing in Arcachon France Cavalaire mm dia.

Optimized materialsA welded steel cylinder ReinforcementProviding resistance to exterDesigned to withstand the maximum working pressure including possible water hammer guarantees absolute and immediate watertightness of the pipeline and sablz to the pipeline load resistance.

The pipeline shall resist cataloge the phenomena likely to impair its initial capacities and to gradually destroy the performances of its components; these phenomena may be the following ones: