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A system, method and sealing components for resisting fluid transmission through an interlock joint between first and second sheet piling panels of a barrier assembly. A compressible sealing member is engaged between interlock members of the sheet piling panels as the barrier assembly is constructed

A system, method and sealing components for resisting fluid transmission through an interlock joint between first and second sheet piling panels of a barrier assembly. A compressible sealing member is engaged between interlock members of the sheet piling panels as the barrier assembly is constructed. A dispersible sealant is optionally dispersed into the interlock joint upon compression of the sealing member.

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1. A sheet piling panel for forming a barrier assembly, the sheet piling panel comprising: first and second interlock profiles, the first and second interlock profiles being generally complementary, whereby the first interlock profile of one such sheet piling panel is interengagable with the second

1. A sheet piling panel for forming a barrier assembly, the sheet piling panel comprising: first and second interlock profiles, the first and second interlock profiles being generally complementary, whereby the first interlock profile of one such sheet piling panel is interengagable with the second interlock profile of another such sheet piling panel by axial sliding engagement, to form an assembly of interlocked sheet piling panels; anda resilient sealing member extending along at least a portion of one of the first and second interlock profiles, the resilient sealing member comprising an internal containment area having a dispersible sealant disposed therein, and further comprising at least one passage for dispersing the dispersible sealant from the internal containment area through the at least one passage as the first interlock profile of one sheet piling panel is engaged with the second interlock profile of another such sheet piling panel. 2. The sheet piling panel of claim 1, wherein the first and second interlock profiles comprise a male interlock and a female interlock, and wherein the resilient sealing member extends along at least a portion of the female interlock. 3. The sheet piling panel of claim 2, wherein the resilient sealing member comprises a generally tubular bulb having a generally circular cross-sectional profile surrounding the internal containment area, and wherein the at least one passage for dispersing the dispersible sealant comprises a slit between a free end and a base portion of the resilient sealing member. 4. The sheet piling panel of claim 1, wherein the resilient sealing member further comprises at least one fin extending along its length. 5. The sheet piling panel of claim 1, wherein the dispersible sealant comprises a swellable hydrophilic material. 6. The sheet piling panel of claim 1, wherein at least one of the first and second interlock profiles further comprises a soil incursion reducer at an end thereof to prevent soil from entering the interlock profile as the sheet piling panel is driven into the ground. 7. A sealing member for sheet piling panels, the sealing member comprising: a base portion for attachment to an interlock element of the sheet piling panel;a generally resilient body projecting outwardly from the base portion;a containment area configured to temporarily retain a dispersible sealant; and at least one delivery port for dispersing the dispersible sealant, wherein the delivery port is configured to disperse the sealant from the containment area upon sliding engagement of an interlock profile of a sheet piling panel against the resilient body of the sealing member. 8. The sealing member of claim 7, wherein the containment area comprises a hollow generally tubular bulb. 9. The sealing member of claim 8, further comprising a dispersible sealant disposed within the hollow generally tubular bulb. 10. The sealing member of claim 7, wherein the resilient body comprises at least one fin extending along its length. 11. The sealing member of claim 7, wherein the dispersible sealant comprises a swellable hydrophilic material. 12. A barrier assembly comprising: a first sheet piling panel comprising a female interlock;a second sheet piling panel comprising a male interlock for cooperative axial sliding engagement into the female interlock of the first sheet piling panel when assembled; anda resilient sealing member engaged between the female interlock of the first sheet piling panel and the male interlock of the second sheet piling panel, the resilient sealing member comprising an internal chamber for containing a dispersible sealant disposed therein prior to engagement of the male interlock of the second sheet piling panel into the female interlock of the first sheet piling panel, and the resilient sealing member further comprising at least one passage for dispersing the dispersible sealant from the internal chamber through the at least one passage as the male interlock of the second sheet piling panel slides into engagement with the female interlock of the first sheet piling panel. 13. The barrier assembly of claim 12, wherein the resilient sealing member comprises a hollow generally tubular bulb. 14. The barrier assembly of claim 13, further comprising a dispersible sealant disposed within the hollow generally tubular bulb. 15. The barrier assembly of claim 12, wherein the resilient sealing member comprises at least one flexible sealing fin extending along its length. 16. The barrier assembly of claim 12, wherein the dispersible sealant comprises a swellable hydrophilic material. 17. The barrier assembly of claim 12, wherein the female interlock of the first sheet piling panel further comprises a soil incursion reducer at an end thereof to prevent soil from entering the interlock profile as the sheet piling panel is driven into the ground. 18. A method of sealing against fluid transmission through an interlock joint between first and second sheet piling panels of a barrier assembly, the method comprising: attaching a resilient sealing member to one of a female interlock of the first sheet piling panel and a male interlock of the second sheet piling panel, wherein the resilient sealing member contains a dispersible sealant therein prior to engagement of the first and second sheet piling panels; andengaging the resilient sealing member between the female interlock of the first sheet piling panel and the male interlock of the second sheet piling panel, wherein said engagement causes dispersal of the dispersible sealant through at least one passage in the resilient sealing member into a channel formed by the female interlock as the male interlock slides within the female interlock upon engagement of the first and second sheet piling panels. 19. The method of claim 18, wherein the sheet piling panels are installed with the male interlock trailing and the female interlock leading, such that the male interlock of a subsequently installed one of the sheet piling panels engages the female interlock of a previously installed one of the sheet piling panels as the barrier assembly is constructed. 20. The sealing method of claim 18, wherein the dispersible sealant comprises a swellable hydrophilic material, said method further comprising expansion of the dispersible sealant by contact with water after engagement of the first and second sheet piling panels to fill voids between the male and female interlocks.