IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0265314
(2008-11-05)
|
등록번호 |
US-7775747
(2010-09-06)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
22 |
초록
▼
A multi-component segmented retaining wall (SRW) block that may form a mortarless retaining wall. Each SRW block includes an interlocking face unit and an anchor unit that together form a vertically oriented hollow core bounded by the inner walls of the face unit and the anchor unit. Each face unit
A multi-component segmented retaining wall (SRW) block that may form a mortarless retaining wall. Each SRW block includes an interlocking face unit and an anchor unit that together form a vertically oriented hollow core bounded by the inner walls of the face unit and the anchor unit. Each face unit and anchor unit pair are interlocked by complementary connector elements.
대표청구항
▼
The invention claimed is: 1. A mortarless retaining wall constructed of a plurality of segmented retaining wall (SRW) blocks stacked in an array of superimposed rows, each SRW block comprising: a face unit having a facing surface defining part of the exposed surface of the retaining wall, the face
The invention claimed is: 1. A mortarless retaining wall constructed of a plurality of segmented retaining wall (SRW) blocks stacked in an array of superimposed rows, each SRW block comprising: a face unit having a facing surface defining part of the exposed surface of the retaining wall, the face unit having two connector elements; an anchor unit having two connector elements each being of complementary shape to the face unit connector elements, the anchor unit confronting soil being retained by the retaining wall; the anchor unit and the face unit each having upper and lower load bearing surfaces, the upper load bearing surfaces for mating with the lower load bearing surfaces of a super-imposed stacked block, the load bearing surfaces being generally planar to resist shear forces between adjacent SRW blocks, the shear forces applied by the soil retained by the retaining wall against the SRW block, and the anchor unit and face unit interlocked via respective connector elements to form the SRW block, the anchor unit and the face unit, when interlocked, forming a hollow core bounded by inner walls of the anchor unit and the face unit and extending vertically from the upper load bearing surfaces to the lower bearing surfaces. 2. The mortarless retaining wall of claim 1, wherein the face units and the anchor units of some of the SRW block are formed of different materials, the anchor unit being formed of relatively lower quality materials than the face unit. 3. The mortarless retaining wall of claim 2, wherein the anchor units of some of the SRW blocks are formed of recycled materials. 4. The mortarless retaining wall of claim 2, wherein the anchor units of some of the SRW blocks are formed of plastic. 5. The mortarless retaining wall of claim 1, wherein the face units of some of the SRW blocks are formed via a wetcast, a drycast, or an extrusion. 6. The mortarless retaining wall of claim 1, wherein the face unit of some of the SRW blocks are formed using a face and base paver machine, the front surface being formed of a veneer layer of a relatively higher quality material and the remainder of the face unit being formed of a relatively lower quality material. 7. The mortarless retaining wall of claim 1, wherein at least one of the face unit and the anchor unit of some of the SRW blocks are formed of concrete. 8. The mortarless retaining wall of claim 1, wherein the anchor units of some of the SRW blocks are formed in a generally U-shape with the first and second legs of the U-shape terminating in the respective connector elements. 9. The mortarless retaining wall of claim 8, wherein the first and second legs of the generally U-shape of the anchor units of some of the SRW blocks form side walls of the SRW block. 10. The mortarless retaining wall of claim 8, wherein the first and second legs of the generally U-shape of the anchor units of some of the SRW blocks contain recesses forming hand-holds useful when lifting the anchor units. 11. The mortarless retaining wall of claim 8, wherein the first and second legs of the generally U-shape of the anchor units of some of the SRW blocks are connected by two cross-member portions to reinforce the anchor unit. 12. A supply of preformed block components for forming a mortarless retaining wall comprised of segmented retaining wall (SRW) blocks, comprising: a plurality of face units each having a facing surface defining part of the exposed surface of the retaining wall, the facing surfaces of the plurality of face units having a differing pattern thereon, each face unit having two connector elements; a plurality of anchor units for confronting soil being retained by the retaining wall, each anchor unit being of a universal design and having two connector elements each being of complementary shape to one of the connector elements of one of the face units; each anchor unit and face unit capable of being interlocked via respective connector elements to form a segmented retaining wall (SRW) block, each anchor unit and face unit, when interlocked to form a SRW block, form a hollow core oriented vertically and bounded by inner walls of the anchor unit and the face unit and stackable in rows of SRW blocks to form the retaining wall; and the anchor units and the face units each having upper and lower load bearing surfaces, the upper load bearing surfaces for mating with the lower load bearing surfaces of a super-imposed stacked SRW block, the load bearing surfaces being generally planar to resist shear forces between adjacent SRW blocks, the shear forces applied by the soil retained by the retaining wall against each SRW block. 13. The supply of claim 12, wherein some of the face units each include four connector elements. 14. The supply of claim 12, wherein the two connector elements of the anchor units are of the same size. 15. The supply of claim 12, wherein the interlock of the connector elements of each anchor unit and each face unit is loose, allowing for limited relative movement between such anchor unit and such face unit without disconnecting the interlock. 16. A multi-component segmented retaining wall (SRW) block for forming a mortarless retaining wall: a face unit having a facing surface and a rear surface opposite the facing surface, the facing surface defining part of the exposed surface of the retaining wall, the rear surface being generally planar and having recesses forming two connector elements, an anchor unit having a generally U-shape with first and second legs of the U-shape terminating in respective connector elements each being of complementary shape to the face unit connector elements, the anchor unit confronting soil being retained by the retaining wall; the anchor unit and the face unit each having upper and lower load bearing surfaces, the upper load bearing surfaces for mating with the lower load bearing surfaces of a super-imposed stacked SRW block, the load bearing surfaces being generally planar to resist shear forces applied by the soil retained by the retaining wall against the SRW block, and the anchor unit and face unit interlocked via respective connector elements to form the SRW block, the anchor unit and the face unit, when interlocked, forming a hollow core oriented vertically and bounded by inner walls of the anchor unit and the face unit. 17. The multi-component SRW block of claim 16, wherein the face unit has opposing side surfaces, at least one of the opposing side surfaces being directly rearwardly inwardly with respect to the facing surface whereby joined adjacent blocks will effect a generally curved front surface to the retaining wall. 18. The multi-component SRW block of claim 17, wherein the other side surface of the at least one of the opposing surfaces being generally perpendicular to the facing wall to create an end block for the retaining wall. 19. The multi-component SRW block of claim 17, wherein both of the opposing side surfaces are directed rearwardly inwardly. 20. The multi-component SRW block of claim 16, wherein the connector elements of the face unit comprise elongated keyways and the connector elements of the anchor unit comprise elongated keys slidable within the keyways. 21. The multi-component SRW block of claim 20, wherein the keyways and the keys extend the entire height of the face unit and anchor unit, respectively, the keyways forming vertical passages in the face unit. 22. The multi-component SRW block of claim 16, wherein the center to center distance of the keys of one anchor unit is equal to the center to center distance of adjacent keyways of two face units positioned adjacent to each other, whereby the anchor unit may interconnect with the two face units positioned adjacent to each other. 23. A mortarless retaining wall constructed of a plurality of segmented retaining wall (SRW) blocks stacked in an array of superimposed rows, each SRW block comprising: a face unit having a facing surface defining part of the exposed surface of the retaining wall, the face unit having two connector elements; an anchor unit having two connector elements each being of complementary shape to the face unit connector elements, the anchor unit confronting soil being retained by the retaining wall; the anchor unit and the face unit each having upper and lower load bearing surfaces, the upper load bearing surfaces for mating with the lower load bearing surfaces of a super-imposed stacked block, the load bearing surfaces being generally planar to resist shear forces between superimposed SRW blocks, the shear forces applied by the soil retained by the retaining wall against the SRW block, and the anchor unit and face unit interlocked via respective connector elements to form the SRW block, the anchor unit and the face unit, when interlocked, forming a hollow core oriented vertically and bounded by inner walls of the anchor unit and the face unit, and at least one of the anchor unit and the face unit having at least one alignment element that aligns and resists the shear forces between a superimposed SRW block relative to its immediately subjacent block. 24. The mortarless retaining wall of claim 23, wherein the at least one alignment element of some of the SRW blocks is one of a lip, notch, pin recess, and slot. 25. The mortarless retaining wall of claim 23, wherein the at least one alignment element of some of the SRW blocks includes a lip of the face units, the lip extending laterally over the face units and at the front thereof, the lip resisting shear forces applied by the soil retained by the retaining wall against the SRW block. 26. The mortarless retaining wall of claim 24, wherein the face units of the some of the SRW blocks include a notch extending laterally under the face units and at the front thereof, the height of the notch being generally less than or equal to the height of the lip. 27. The mortarless retaining wall of claim 25, wherein the laterally extending lip is defined with a depth approximately equal to the depth of the notch such that a vertically extending wall can be formed using such SRW blocks. 28. The mortarless retaining wall of claim 25, wherein the laterally extending lip is defined with a depth greater than the depth of the notch such that the retaining wall formed using such SRW blocks is formed with a setback, whereby the setback depth of each course of blocks is based on the difference in depths between the laterally extending lip and the notch. 29. The mortarless retaining wall of claim 23, wherein the at least one alignment element of some of the SRW blocks includes a lip of the anchor units, the lip extending laterally under the anchor units and at the rear thereof, the lip resisting shear forces applied by the soil retained by the retaining wall against the SRW block. 30. The mortarless retaining wall of claim 27, wherein the anchor units of the some of the SRW blocks include a notch extending laterally over the anchor units and at the rear thereof, the depth of the lip being generally equal to the depth of the notch. 31. The mortarless retaining wall of claim 28, wherein the height of the lip is equal to or less than the height of the notch.
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