Cutom made Bi-Directional Static Load Testing (BDSLT)
• Improved safety: No reaction system is required at ground level and the test energy is safely buried well below ground.
• Rock sockets: High test loads can be applied directly on deeply buried rock or soil formations without load shedding in overlaying soils, which eliminates the need for de-bonding techniques.
• Deep cut-off levels: BDSLT tests can be performed with the top of concrete far below ground, eliminating the need for pile extensions to ground level, pile head preparations or provision for zones of reduced shear.
• Accuracy: Since there are no anchors, reaction piles or a reaction mass required, the influences, in terms of modified test pile performance, resulting from the construction and use of anchors, reaction piles or a reaction mass required in top- down static testing are eliminated.
• Economy: The BDSLT method becomes more economical as loads increase, unlike traditional top-down static tests.
• Skin / end bearing components: The BDSLT are designed to separate test piles into 2 or 3 pile sections; thus automatically measuring the reaction of each of the
components.
• Automation / static creep effects: The BDSLT is a static maintained load test and uses automatic data acquisition techniques and load maintenance for accurate, efficient data processing and creep measurements.
• Production / working Piles: Post-test grouting techniques allow for testing of production pile/shafts and barrettes.
• Performance: The subsequent pile performance of BDSLT tested production piles will be similar to the non-tested production piles due to the lower amount of generated
residual stresses in the pile, as compared to applying full test loads "top-down".
• Off-shore: The BDSLT method particularly excels in off-shore testing environments due to its convenience and
numerous advantages illustrated above. Tests have been performed with piles completely submerged under water.
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