Vitaly Boris Feygin

20100239375, Sep 23, 2010

Mar 20, 2009

12/383150

Vitaly Boris Feygin - Seminole FL, US
Margaret Zaslavsky - Seminole FL, US

E02D 17/00
E02D 5/18

405284, 405267

Diaphragm Sea/Retaining Wall System consists of retaining wall that spans horizontally between Deep Beam Diaphragms anchored into bedrock through rock socketed caissons. Deep beam Diaphragm is built of two round column sections that serve as vertical chords of the Diaphragm or as flanges of the Deep beam, and of the concrete web section continuously connected to both round columns.Fixity of the Deep Beam Diaphragm at the bedrock level is provided by embedment of two round column flanges of the Diaphragm into the predrilled rock sockets or caissons. Stiffness of the Deep Beam Diaphragm support and retaining wall reinforcement arrangement allows better force distribution between system elements and makes the system of present invention a most economical solution for difficult geotechnical conditions where large forces of static and dynamic nature has to be efficiently resisted by a retaining wall system. The present invention system is also the most reliable force resisting system for dynamic sign changing loads. The system can effectively resist seismic and static loads as well as large forces of wave action, and can be used for Ocean shore protection. Unique steel pipe concrete cast forms of the present invention and sequence of construction allow quick and efficient installation of the system in the most difficult conditions where top of bedrock elevation can significantly vary along the retaining wall length.

20100232878, Sep 16, 2010

Mar 10, 2009

12/381280

Vitaly Boris Feygin - Seminole FL, US
Margaret Zaslavsky - Seminole FL, US

E02D 19/04
E02D 25/00
E04H 12/00

405 14, 405204, 526531

Universal Framed Cofferdam has prefabricated skeletal steel space framing formed from multiple steel vertical pipes and two levels of horizontal diaphragm trusses rigidly connected to pipe columns. Beams of each diaphragm truss are attached to vertical pipes of the framing with rigid moment connections creating a rigid space frame of the perfectly round form that is used as a false work of the Cofferdam. Wales of the Cofferdam and short pieces of the flat sheet piling are attached to the vertical pipes forming a skeleton of the Cellular structure. The Skeleton of the Universal Framed Cofferdam is prefabricated in the convenience of the Dry Dock and than floated to the site. Buoyancy of the framing allows Cofferdam skeleton transportation without using the barge or otherwise necessary floating devices. Once brought to the site of installation Cofferdam skeleton is installed vertically in position and leveled on the bottom of the river bed. If necessary river silt can be jetted and pumped out of pipe annular space and pipe columns of framing can be simultaneously lowered in position by using vibro—hummer. After space framing installation, rock sockets are predrilled through the annular space of vertical pipes and rock anchors installed. Sheet pile skin of the Cofferdam installed between pipe columns concludes Cofferdam Can erection. Universal Framed Cofferdam Can than filled with compacted gravel and becomes a Hybrid Gravity Caisson/Columnar water front or marine structure that has the best features of the Conventional Cellular Cofferdam and of Columnar Dolphin structure. It has enhanced sliding and overturning stability provided by Rock anchors preloaded by Cofferdam granular fill and has effective mechanism that prevents concave or convex surface of rupture failure that may be suffered by conventional Cellular Cofferdams, and has mechanism that more effectively resists deep surface sliding failure of the Cofferdam base.