BS 6349-2 PDF

PORT WORKS DESIGN MANUAL PART 2Guide to Design of Piers and Dolphins Civil Engineering Office Civil Engineering Department The Government. Find the most up-to-date version of BS at Engineering Buy BS Maritime works. Code of practice for the design of quay walls, jetties and dolphins from SAI Global.

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The auxiliary ties, which should be attached close to the top of the wall, may be designed by assuming that the wall behaves as a propped cantilever, ixed at the level of the main ties. Active pressures acting on the back of the wall should be calculated to take into account the effects of the bearing piles. The effect of the relieving platform bearing piles on overall stability should be taken into account. Search all products by.

The choice of structure should take into account the need to protect the works during construction against damage caused by loating craft, waves and currents. This should be protected or designed so that it is not liable to accidental damage by vessels. The piles should be designed to resist compressive actions due bz berthing. Piles installed with a large unsupported length require temporary support to maintain line and to avoid buckling.

On the other hand, a large level of modularization often offers signiicant advantage to the project execution. Alternatively, a short berth face and ixed handling equipment may be provided, requiring the vessels to be moved along the berth.

Ground anchors should be used where the overturning resistance is insuficient. The selected design situations should be suficiently severe and bz so as to encompass all conditions that can reasonably be foreseen to occur during the execution and use of the structure. However, in addition an assessment of the likelihood of microbiologically induced corrosion MIC should be made. This shore-based ire emergency system may be augmented by providing ire-ighting equipment on tugs.

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Most timbers require protective treatment against rot and marine borers: These delections can arise from elastic movements of the trestles due to loading changes, lateral wind loads and temperature distortions.

BS Maritime works. Code of practice for the design of quay walls, jetties and dolphins

Care should be taken to avoid interference of 634-2 and sheet piles. Code of practice for the design of quay walls, jetties and dolphins incorporating corrigendum No. All maritime structures, with the exception of those built in the dry, will be exposed during construction to actions by currents, waves and wind. Care should be taken to ensure that services do not interfere with the tie-backs.

BS 6349-2:2010

Construction tolerances for soldier piles should be in accordance with 8. The valves should be ixed just above low water level to allow maintenance. The sheeting should be secured to the b piles to prevent differential movement and consequent loss of material.

They can be built in most types of soil and may be toed or dowelled into solid rock, but are generally unsuitable where lowing or artesian water is present during construction. Other vertical actions to be resisted are the dead weight of the waling, the weight of any soil and surcharge loads directly above the waling, and the vertical component of active soil pressure acting on the vertical plane passing through the rear edge of the waling.

Depending upon the nature of the cargo to be handled, pollution prevention or mitigating equipment might be required.

Where hard driving is encountered, the pile section required might exceed the section needed to resist bending. Diaphragm walls are usually constructed using straight panels, 0. If longitudinal horizontal actions are to be resisted, the junction of the capping and the wall should be designed accordingly. As a consequence, a large number of different block types are required. In the latter case, the movement of the wall due to pressure from the small retained height of soil might be insuficient to develop active pressure conditions.

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The selection of the most appropriate type of gravity wall will be inluenced by the 6349- conditions and method of construction. The toe of the wall over the length of the dispersed load should have an adequate bearing capacity, which might require that the wall be taken down to rock.

If the depth of soft clay is very great, an embedded retaining wall might be unsuitable and vs form of construction, such as a suspended deck structure see Clause 8should be used instead. Code of practice for geotechnical design BS Where a combined section is required to resist horizontal actions, the same load-bearing elements may be used to carry the vertical actions.

The seaward compartments can be illed with lean-mix concrete if conditions are such that the front wall could seriously deteriorate, or in order to provide increased resistance to vessel impacts. It might be possible to level off an existing sandy bed to serve as the foundation, provided that caissons are placed in calm weather, that a protective, anti-scour apron is laid, and that the necessary sliding resistance can be achieved.

Drainage of backill may be achieved using pipework, gravel drains, drain fabric or a rubble backill.