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Normas BSI – AENOR
BS EN 1538:2010+A1:2015

BS EN 1538:2010+A1:2015

Execution of special geotechnical works. Diaphragm walls

Fecha:
2015-06-30 /Under Review
Comité:
B/526
Equivalencias internacionales:

EN 1538:2010+A1:2015

Relación con otras normas BSI:

Reemplaza a: BS EN 1538:2000

Resumen:

This European Standard establishes general principles for the execution of diaphragm walls as either retaining walls or cut-off walls.

NOTE 1

This standard covers only structures constructed in a trench excavated with a support fluid or in dry conditions, where soil is removed and replaced by concrete or slurry and with wall thickness B = 40 cm.

NOTE 2

Diaphragm walls can be permanent or temporary structures.

NOTE 3

The following types of structure are considered:

  1. retaining walls: usually constructed to support the sides of an excavation in the ground. They include:

    1. cast in situ concrete diaphragm walls;

    2. precast concrete diaphragm walls;

    3. reinforced slurry walls;

  2. cut-off walls: usually constructed to prevent migration of groundwater, clear or polluted, or of other contaminants present in the ground. They include:

    1. slurry walls (possibly with membranes or sheet piles);

    2. plastic concrete walls.

NOTE 4

Walls formed shallow vertical trenches (typically excavations with a ratio of depth over thickness  D/ B < 5 or D < 5 m) are not covered by this standard.

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Keywords:
Non-loadbearing walls, Walls, Retaining walls, Technical documents, Quality control, Suspensions (chemical), Mortars, Reinforced materials, Panels, Excavating, Dimensional tolerances, Design, Construction systems parts, Soil mechanics, Construction operations, Concretes, Slurries, Technical data sheets, Bentonite, Precast concrete
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