Abstract
The article compares engineering and geological conditions in the coastal areas of Vietnam and Tunisia. A sufficiently high similarity of soil structure and their physical and mechanical properties was noted. Both in Vietnam and in Tunisia, foundations for responsible buildings and structures are arranged on bored piles of the same length of 40-60 meters and a diameter of 600 to 1600 mm. The article provides examples of using super-piles of small-size RIT using recharge impulse technology in conditions of weak water-saturated coastal soils of Tunisia. The high efficiency and cost-effectiveness of the new recharge impulse technology were noted. The article presents photographic materials of the test stand for conducting field tests of piles, presents and analyzes the results of testing piles with vertical static load. The low precipitation of the tested piles and their high load-bearing capacity prove the promise of using super-piles of RIT in the conditions of weak soils of Tunisia and, consequently, in the coastal areas of Vietnam.
Highlights
The article compares engineering and geological conditions in the coastal areas of Vietnam and Tunisia
Vietnam and Tunisia are located in the Mediterranean geo-synclinal belt, which includes sedimentary formations composed of sand and clay deposits
A characteristic feature of the engineering and geological structure of the coastal territories of Vietnam (Hanoi, Ho Chi Minh city) and Tunisia is the presence in the section of weak water-saturated soils of high power from the ground surface to a depth of 30-60m, having a large porosity, compressibility and low strength [1]
Summary
Vietnam and Tunisia are located in the Mediterranean geo-synclinal belt, which includes sedimentary formations composed of sand and clay deposits. A characteristic feature of the engineering and geological structure of the coastal territories of Vietnam (Hanoi, Ho Chi Minh city) and Tunisia is the presence in the section of weak water-saturated soils of high power from the ground surface to a depth of 30-60m, having a large porosity, compressibility and low strength [1]. The tallest are the Landmark building, 72 stories high, built in 2011 in Hanoi, and the Bitexco Financial tower, 65 stories high, built in 2010 in Ho Chi Minh city These tall buildings are built on massive bored piles with a diameter of 1600-2000 m and a depth of 45-60 m. For medium-sized buildings (8...30 floors) such piles are very expensive to use
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