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  • Users: patswfc
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  1. patswfc

    Seismic design of swimming pool

    I am reviewing the design of a circular pool, 25m diameter 2m deep. The pool will be in the ground and is a standalone structure. The site is in France with lower seismic requirements. A colleague has suggested that the pool doesnt need to be designed for seismic as it is in the ground. Does...
  2. patswfc

    Circular Concrete Water Retaining Tanks Designed to EC2-3

    I am currently looking at the design of 3 similar circular tanks with pinned connection at the base of the wall to existing slabs. They are approx. 7m tall with a working water level of 6m. The difference in the 3 tanks is the diameters which are 9.4m,12m and 14.5m. According to the code, the...
  3. patswfc

    Braced concrete frame design utilising masonry infill panels for overall stability

    I'm involved in a project which involves repair of a 12 storey concrete framed building. There are a number of serious design issues with the building, one of which is the complete lack of an overall stability system! The building has been in place for approx 10 years! The building has solid...
  4. patswfc

    Concrete Tank Design to BS 8007

    Further to my previous thread on the design of concrete tanks storing hot water, I have a query relating to CL.1.2 'Field of application' of BS 8007 which states: 'This British Standard applies particularly to UK conditions, and although the principles are applicable to design in other parts of...
  5. patswfc

    Concrete tank storing hot liquid

    I'm looking at the design of a water tank that will store water at temperatures of up to 80 degrees C. The tank will be below ground with roof slab at ground level. Does anyone know of a good reference for designing such a structure for thermal loads? I've designed several tanks in the past but...
  6. patswfc

    Coring Precast Floor Planks

    Does anyone know of any guidance/rules of thumb for creating small service penetrations in existing precast concrete floor planks. I'm working on a small renovation job of a 1970's building in the UK. The client wants to create a number of 150mm dia. holes through the 1st floor, which is...
  7. patswfc

    Piled Ground Beam Formwork

    We normally specify on the drawings that the sides and bottom of the ground beams have a Type A finish to BS8110, thus some sort of formwork is required. Typically permanent forms such are cordeks groundform system or similar would be used. A client, after talking to a contractor, has come back...
  8. patswfc

    Best method to determine span direction of and RC slab

    I'm currently working on a small refurb job in the UK. The building is traditional load bearing masonry and generally only 1 storey high with a timber flat roof. Part of the building is 2 storeys high. This part has a reinforced concrete slab on the 1st floor(2nd floor for any american readers)...
  9. patswfc

    BS 5628-3:2005 Clause 5.2.4 When to use?

    When is it appropriate to use Clause 5.2.4 and figure 6 from BS 5628-3:2005, which relates to internal masonry walls that dont support imposed load. Depending on the size and tickness of the wall, figure 6 tells you what restraint is needed to make the wall stable. However Cl.5.2.4 states that...
  10. patswfc

    ground bearing slab

    We have completed a design of a hall for a school. The finished floor level was approx 1.2m above existing ground level. Our design was for a 150 thk ground bearing slab sitting on 1.2m of compacted hardcore, rolled in 150 layers to the D.O.T. spec.! The slab has mesh reinforcement in the top...

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