WO2015021505A1 - Connector - Google Patents
Connector Download PDFInfo
- Publication number
- WO2015021505A1 WO2015021505A1 PCT/AU2014/050174 AU2014050174W WO2015021505A1 WO 2015021505 A1 WO2015021505 A1 WO 2015021505A1 AU 2014050174 W AU2014050174 W AU 2014050174W WO 2015021505 A1 WO2015021505 A1 WO 2015021505A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slabs
- connector
- slab
- hole
- connector according
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000004567 concrete Substances 0.000 claims description 13
- 229920002943 EPDM rubber Polymers 0.000 claims description 11
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 229920000515 polycarbonate Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000002969 artificial stone Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000037361 pathway Effects 0.000 description 24
- 230000015572 biosynthetic process Effects 0.000 description 21
- 238000012360 testing method Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000001668 ameliorated effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/005—Individual couplings or spacer elements for joining the prefabricated units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C15/00—Pavings specially adapted for footpaths, sidewalks or cycle tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
Definitions
- the present invention relates to a connector.
- the connector may be useful for connecting slabs, such as pavers and other types of pathway or flooring material.
- the connector may also be used for connecting slabs which are positioned vertically in a construction, such as concrete wall slabs.
- joining means are often only useable when forming the slabs, such as when pouring a concrete slab.
- the joining means are placed, say, in one slab which has been poured and then allowed to set, then a second slab is poured on top with the joining means providing a connection with the top slab and the bottom slab.
- Such joining means are used with a layer of insulation between the top slab and the bottom slab of concrete.
- the present invention provides a connector for connection of a first and a second slab, the first slab having a connectable side with at least one hole and the second slab having a connectable side with a least one hole, the connected slabs being subject to possible relative movement with respect to each other, the connector including:
- the present invention provides a connector system in which a first and a second slab are connected by a connector, the first slab having a connected side with at least one hole and the second slab having a connected side with at least one hole, the connected slabs being subject to possible relative movement with respect to each other, the connector including:
- the body is adapted to deform such that, if the relative movement occurs, the connector allows the slabs to remain connected from an initial configuration to a moved configuration.
- the present invention provides a method for connecting a first and a second slab, the first slab having a connectable side with at least one hole and the second slab having a connectable side with at least one hole, the connected slabs being subject to possible relative movement with respect to each other, the method including:
- the connector includes:
- the relative movement between the slabs includes rotational movement.
- the relative movement includes translational movement.
- the movement may include components of both rotational and translation movement.
- the movement may be around a notional axis substantially parallel to the connectable sides of the connected slabs.
- the body may have a predetermined deforming tolerance allowing up to and including 45° rotation between the first and second slabs,
- the snug fit allows each protrusion to move within its respective hole during rotational movement.
- the snug fit may allow each protrusion to move within its respective hole during translation or movement.
- the connector may deform where a part of the body of the connector flexes and/or a part of the body stretches and/or compresses.
- the connector further includes a cushion located at or towards a notional centre of the body and between the connectable sides of the connected slabs to substantially prevent direct contact between the connectable sides in at least the initial configuration.
- the cushion is adapted to compress and/or expand during the relative movement.
- each protrusion is substantially cylindrically shaped such that each protrusion is adapted to fit snugly in its respective hole formed as a substantially cylindrically shaped bore.
- each protrusion may be tapered towards its end away from a notional centre of the body.
- each protrusion may include one or more barbs located radially around the protrusion. Where the protrusions include barbs, at least one of the barbs may be formed with a circular cross- section radially around the protrusions.
- the cushion assembly may be annularly shaped, in such an embodiment, the body may include a radial groove and the inner hole of the annular cushion sits in the groove.
- the body is disc shaped such that each protrusion is formed by a notional minor segment of the disc such that each protrusion is adapted to fit snugly in a respective hole formed as a slot.
- each slot is shaped and sized to accommodate one protrusion.
- each slot may also be formed along the entire connectable side of its respective slab.
- the cushion may be substantially cylindrically shaped. Further, the body may have a hole at or towards its notional centre so as to accommodate the cushion, which fits snugly in the hole.
- the body is formed from a plastic including polycarbonate.
- the cushion may be formed from a plastic, including ethylene propylene diene monomer (EPDM) rubber.
- the slab is formed from a material including any one or more of: concrete, steel, re-enforced concrete, a clay product, natural stone and artificial stone.
- Fig. 1 is a perspective view of a prior art pathway showing the pavers being disrupted by the growth of a nearby tree;
- Fig. 2 is a perspective view of one optional embodiment of a connector,
- Fig. 3 is a side elevation view of (he embodiment of the connector shown in
- Fig.4 is an end elevation view of a connector shown in Fig. 2:
- Fig. 5 is an exploded perspective view of the connector shown in Fig. 2 being used to connect to adjacent slabs (pavers):
- Fig. 6 is a perspective view of another embodiment of a connector.
- Fig. 7 is a side elevation view of the connector shown in Fig. 6;
- Fig. 8 is an end elevation view of the connector shown in Fig. 6;
- Fig. 9 is an exploded perspective view showing the connector of Fig. 6 being used to connect to adjacent slabs (pavers):
- Fig. 10 is a cross-sectional side elevation view of the connector of Fig. 6 connecting to adjacent slabs (pavers), wherein the slabs are in a "normal" position, as they might be. for instance, when a pathway has been recently built:
- Fig. 1 1 is a cross-sectional side elevation view showing a configuration of the two adjacent slabs connected by the connector of Fig. 6, when those slabs have moved angularly with respect to each other, say, if they had been disturbed by a tree root;
- Fig. 12 is a perspective view of yet another embodiment of a connector
- Fig. 13 is a perspective view of the connector of Fig. 12. shown without the cushion;
- Fig. 14 is a perspective view of the cushion of the connector shown in Fig. Fig. 15 is a side elevation view of the connector of Fig. 12;
- Fig. 16 is an end elevation view of the connector shown in Fig. 12;
- Fig. 17 is an exploded perspective view of the connector of Fig. 12 shown connecting to adjacent slabs, wherein each slab has a slot-shaped hole for receiving its respective pan of the connector;
- Fig. 18 is an exploded perspective view of the connector of Fig. 12 shown connecting two adjacent slabs, wherein the shape of the holes in the slabs is semi-circular.
- Fig. 19 is a cross-sectional side elevation view of two adjacent slabs (pavers) in a "'normal" position, say, after having recently being made to form a pathway, wherein the slabs are connected by a connector of Fig. 12;
- Fig. 20 is a cross-sectional side elevation view showing the two slabs of Fig. 19 having been moved rotationally with respect to each other by an angle of Y°;
- Fig.21 shows a pathway with slabs connected using the connectors of Fig.6 and Fig. 12, with details of those connections shown circled in Figs. 22, 23. 24, 25 and 26;
- Fig. 22 is a perspective view of a detail from Fig. 21;
- Fig. 23 is a perspective view of a detail from Fig. 21 ;
- Fig. 24 is a perspective view of a detail from Fig. 21 ;
- Fig. 25 is a perspective view of a detail from Fig. 21;
- Fig. 26 is a perspective view of a detail from Fig. 21; and.
- Fig. 27 is a graph showing details of testing performed on a connector similar to that shown in Fig. 6. connecting two concrete slabs, which were moved with respect to each other.
- FIG. 1 shows a prior art pathway 10 madc-up of paving slabs 12 laid end-to- end to form the pathway in a conventional manner.
- the pathway 10 has been laid near a tree 14, which has grown overtime so that the roots 16 of the tree 14 have grown under and up through the pathway 10, thus upsetting the arrangement of the pavers 12.
- FIG. 2 shows one embodiment of a connector 20, which has a body 21. From the body 21 there is a first side 22 of the connector 20 and a second side 24 of the connector 20, wherein the first side 22 includes a protrusion 26 and the second side 24 also includes a protrusion 28.
- the connector 20 in Fig. 2 also shows a cushion 30.
- the cushion 30 is annular-shaped and sits in a groove in the body 21 of the connector 20.
- the body and protrusions may be formed from a plastic including polycarbonate, and the cushion may be formed from a plastic material, including ethylene propylene dicne monomer (EPDM) rubber.
- EPDM ethylene propylene dicne monomer
- the protrusions 26. 28 are shaped so that they taper to he a smaller diameter away from the notional centre of the body 21 of the connector 20. This allows for easier insertion of the connector 20 into a hole of a slab to be connected by the connector.
- Figs. 3 and 4 show the features of the connector 20 in a side elevation view and an end elevation view, respectively.
- the connector 20 from end-to- end may be 50mm in length.
- the protrusions may taper from being 12mm in diameter to being about 10mm in diameter.
- the diameter of the annular cushion may be about 25mm, with a thickness of about 4mm.
- the diameter of the groove in the body 21 may be about 10mm. with the hole in the annular cushion 30 also being about 10mm, or smaller, so as to provide a tight fit around the groove in the body 21 ,
- the above-described dimensions arc optional, and may be varied either singularly or multiply so as to suit the application of th invention.
- the connector may be created to be a larger size. If requiring greater friction in the interface between the connector 20 and the slab into which the connector is inserted, the taper may be more gradual or a lesser total taper. Further, the length of the protrusions 26.28 may be increased.
- Fig. 5 shows the connector 20 of Fig. 2 used for connecting two slabs, a first slab 32 and a second slab 34.
- the first slab has a connectable side 36. adapted to be connected to the corresponding connectable side 38 of the second slab 34.
- connectable side 36 of the first slab 32 includes two holes 40, which in this example are bores into the connectable side 36.
- Such bores 40 may be created by, for example, drilling the slab 32 with a masonry drill.
- similar manufacturing techniques can be applied to the second slab 34 to create holes 42 in the connectable side 38 of that second slab.
- the slabs may be pre-formed with suitable holes.
- the protrusion 26 on the first side 22 of the two connectors 20 is adapted to slide into its respective hole 40, so as to be a snug fit in that hole.
- the protrusion 28 on the second side 24 of each of the connectors 20 is adapted to slide into its respective hole 42 in the second slab 34 so as to be a snug fit.
- the connectors 20 will keep the slabs substantially connected, but with freedom to move angularly and/or translationally with respect to each other, thus causing the slabs to form a "hill" shape, rather than to be in a "twisted” formation.
- the '"hill” formation though perhaps not ideal compared with a flat pathway, will be an improvement over the "twisted" formation, as there will be at least a substantially ameliorated problem with the slabs becoming a trip hazard.
- the connectors 20 In order for the above-mentioned angular rotation of the slabs 32. 34 with respect to each other when connected, the connectors 20 must be able to at least Hex.
- the connectors 20 are formed so that, in this embodiment, the flexing is favoured in the body 21 of the connector 20 towards the centre of the connector.
- the connectors 20 are designed so that, though the fit of the protrusions 26.28 into their respect holes 40. 42 is snug, movement of the slabs 32, 4 with respect to each other may cause the protrusions 26. 28 to move in their respective holes 40.42, without becoming dislodged therefrom.
- Such movement of the protrusions in the holes assists with the flexing process of the connectors 20.
- Such movement of the protrusions within their respective holes may also assist where the movement of the slabs 32, 34 with respect to each other is primarily lateral or translational. such as when the slabs are caused to move away from each other or towards each other, say. with ground movement and expansion.
- the cushion 30 of the connectors 20 provides a means of keeping the slabs 32, 34 separated. If the slabs move towards each other in a form of lateral or translational movement, then the cushion 30 will become compressed, whilst maintaining at least some separation between the moved slabs. Furthermore, if the movement of the slabs is an angular rotation type movement , the cushion 30 will provide a means of resisting the movement of the slabs conneclable side 36, 38 towards each other on the inner side (that is. towards the point of the angle) of such angular rotation or movement.
- Fig. 6 shows another embodiment of the connector 44 having a body 46. a first side 48 and a second side 50. There is a protrusion 52 from the first side 48 of the connector and a protrusion 54 from the second side SO of the connector.
- the connector 44 also has a cushion 56 which is annular-shaped and sits in a groove in the body 46.
- the barbs 58 toward the ends of the protrusions 52. 54. the barbs being located away from the centre of the body 46 of the connector 44. These barbs provide a higher friction fit of the connector 44 in the holes of the connected slab towards the end of the respective protrusions 52. 54.
- the barbs are formed radially around the ends of the respective protrusions 52.54 such that the friction fit extends around the circumference of the hole into which the connector is fitted.
- Figs. 7 and 8. respectively, show a side elevation and end elevation view of the connector 44 of Fig. 6.
- Fig. 7 shows parallel dashed lines through the cushion 56, thus indicating that the cushion and the groove in the body 46 of the connector 44 may be formed to be various widths, being larger or smaller than that shown in Fig. 7.
- Fig. 9 shows the embodiment of the connector 44 in use with slabs 32. 34 having connectable sides 36. 38 and holes 40.42 in the connectable sides of those slabs. It will be appreciated that the views shown in Figs. 5. , 17 and 1 arc exploded views, and that when used in a construction, the slabs 32. 4 (86.88 in Fig. 17 and 98, 100 in Fig. 1 ) are moved towards each other so as to abut the sides of the cushion (30, 56. 4 in its various embodiments).
- Fig. 10 shows the first slab 32 and the second slab 34 when connected with the connector 44 of Fig. 6.
- the connectable side 36 of the first slab 32 and the connectable side 38 of the second slab 34 arc pressed against the sides of the cushion 56 so as to be separated by a distance A.
- the hole 40.42 in respective first and second slabs 32, 34 are formed so that the respective protrusions 52. 54 inserted into those holes 40.42, each have a respective end face 60, 62 which meets a respective end face 64, 66 of the hole 40.42.
- the end faces 60, 62 of the protrusions 52, 54 may not meet the end faces 64, 6 of the holes 40.42, so as to leave a gap between the end faces 60, 62 and the end faces 64.66. This may be desirable where movement of the slabs towards each other in a lateral direction is anticipated.
- the configuration shown in Fig. 10 is a configuration of the slabs and the connector which would be expected when the slabs have been newly laid to construct, for example, a pathway.
- the slabs 32, 34 in Fig. 10 are separated by distance A and are not angularly rotated with respect to each other.
- Fig. 1 1 shows the slabs 32, 4 when moved, for example, by a tree root growing underneath one or both of those slabs.
- the slabs are shown as being angularly rotated with respect to each other at an angle X°, wherein in the connector 44 is flexed so as to deform part of the body 46 of the connector 44. which in this example includes stretching of an upper part of the body and compressing of a lower part of the body.
- the cushion 56 is compressed at a lower part thereof, being an inner part towards the closure of the angle X°.
- FIG. 11 shows that there is a gap 68 formed between the end face 60 of the first protrusion 52 and the end face 64 of the hole 40 in the first slab 32, along with a gap 70 formed between the end face 62 of the protrusion 54 on the second side 50 of the connector 44 and the end face 66 of the hole 42 in th second slab 34.
- the gaps 68. 70 indicate that movement of each protrusion within its respective hole during the rotational movement depicted in Fig. 11.
- the snug fractional fit of each protrusion 52. 54 in its respective hole 40, 42. allows for uch movement, though maintaining a snug fit.
- Fig. 12 shows yet another embodiment of the connector 72 in which the body 74 and the protrusions 80, 82 of the connector 72 are formed by a disc 73.
- the body 74 is disc-shaped, such that each protrusion 80, 82 is formed by a notional minor segment of the disc 73. and such that each protrusion 80, 82 is adapted to fit snugly in a respective hole formed as a slot in a slab.
- ⁇ will be understood thai the part of the disc that formed by each protrusion will be determined when the disc 73 of the connector 72 is inserted into a slot in the slab to be connected.
- the embodiment of the connector 72 shown in Fig. 12 includes a cushion 84 which is cylinder shaped.
- the cylindrical cushion 84 fits snugly in a hole 75 in the disc 73.
- the body 74 may be formed from a polycarbonate material and the cushion formed from EPDM rubber, as for previous embodiments of the connector described. Also, as with previously described
- the connector 72 has a first side 76 including protrusion 80 and a second side 78 including protrusion 82.
- Figs. 13 and 14 respectively, show components of the connector 72.
- Fig. 13 shows the disc 73 comprising the body 74 with a hole 75 therein towards its centre.
- Fig. 14 shows the cylindrical cushion 84, which fits snugly within the hole 75 in the disc 73 of the connector 72.
- Figs. 15 and 16, respectively, show side elevation and end elevation views of the connector 72.
- Fig. 17 shows one embodiment of the connector 72 in use. wherein the first and second slabs 86, 8 each have an elongate slot 94.96 in their respective connectable sides 90, 2.
- the protrusion 80 on the first side 76 of the connector 72 slides snugly into slot 94.
- the protrusion 82 on the second side 78 of the connectors 72 slides snugly into the slot 96 in the second slab 88.
- the connectable sides 90.92 of the slabs 86, 88 are moved towards each other, such that they abut the sides of the cylinder shaped cushion 84 of the connectors 72.
- Fig. 18 shows an alternative embodiment of the connector 72 in use.
- first and second slabs 98. 100 have semi-circular shaped slots 106, 108 for snugly fitting the respective protrusions 80. 82 of the connectors 72.
- the slots 106, 108 may not be full semi-circles, but portions thereof, such that the respective protrusions 80, 82 fit into those slots 106, 108 and (111 the slot when the slabs 98, 100 are in a connected formation, so as to leave at least some gap between the slabs in that connected formation.
- Fig. 19 shows the slabs of either Fig. 17 or Fig. 18 ⁇ 86, 8; 88. 100) in connected formation, wherein the slabs have not been subjected to any movement. There is a gap of width B between the slabs, with the connectable sides of the slabs (90. 102; 92, 104) abutting against the sides of the cushion 84.
- Fig. 20 shows the slabs (86, 8: 88.100) in a moved formation, wherein the slabs are rotated with respect to each other at an angle Y°.
- gaps 110. 112 have formed because of movement of the protrusions 80. 82 in their respective holes (94. 106; 96. 108).
- the cushion 84 has been compressed at its end towards the inner part of the angle Y°.
- the disc 73 of the connector 72 is deformed when the slabs move relative to each other through an angular rotation or movement. This allows the slabs to remain connected despite such movement and prevents the twisted formation from occurring between the slabs.
- Fig. 21 shows the pathway 10. which is now connected between adjacent slabs using various embodiments of the connector 44 and 72, as shown in Figs. 6 and 12. respectively.
- the tree 14 next to the path 10 has a root system 16 which has grown under, through and upwardly into the pathway 10.
- the path 10 has a "hill" formation, which prevents or substantially ameliorates trip hazards and the unsightly appearance of a twisted pathway.
- the pathway 10 consists of pavers 122, each of which has holes in its connectable sides, being both sides of each of the pavers. Some of the pavers have not been disturbed by the roots 16 of the tree 14 and therefore have a "normal" formation 126 therebetween. In this regard, the pavers are in formation much the same as they would have been when the path was first constructed. However, those pavers 122 which have been disturbed by the roots 16 have a "benf formation 124 therebetween. [0059] One possible embodiment of the present invention is shown wilh paver 128. which is adapted to accommodate a connector 44 from Fig. 6 on one side and another type of connector 72 from Fig. 12 on the other side. Of course, it will be understood that the slabs in the invention can be adapted to accommodate any particular embodiment of the invention, along with multiples and mixtures thereof.
- Fig. 21 includes five dashed circles depicting details and referenced as 22.
- Fig. 22 is a detail (22) from Fig. 21. It shows a connection between t o slabs 32. 34 in the pathway 10. wherein the connection is performed by a connector 44. as depicted in Fig. 6. Although not shown clearly in Fig. 22. the slabs 32. 34 would include holes in their respective connectable side to accommodate the protrusions 52. 54 of the connector 44. The root system depicted in Fig. 21 has not disturbed these two slabs, and so they have a "normal" formation 126 between them.
- Fig. 23 is a similar view to Fig. 22, but shown between two slabs (pavers) further along the path in Fig. 21. As can be seen in Fig. 23, the slabs have been rotated angularly with respect to each other, so that a wider gap has formed at the bottom of the interface between the connectable sides of the slabs 32, 34 than at the top of the interface. This results in a "benf formation 124.
- Fig. 25 shows two slabs 88, 100: 86.98 as depicted in previous figures connected by another embodiment of the connector 72.
- the slabs are in a "bent" formation 124, with a wider gap at the bottom of the interface between the connectable sides of the two slabs than at the top of that interface.
- the slab referenced as 88, 100 is slab 128 in Fig. 21. being, the slab adapted for two types of connector 44 and 72, on opposing connectable sides.
- Fig. 26 is a similar view to that in Fig. 24. but wherein the slabs are adapted to be connected by the embodiment of the connector 72 shown in Fig. 12.
- the "bent" formation 124 has a very slightly wider gap at the top of the interface between the connectabte sides of the slabs than at the bottom of that interface.
- the cushions in the various embodiments of the connectors may be made from EPDM rubber.
- This rubber is a synthetic rubber and may have excellent ozone and high temperature resistance.
- the EPDM rubber may also display resistance to a wide range of chemicals and acids.
- the EPDM rubber may also be formed with nylon monofilament reinforcement for improved tear strength and gasket (cushion) stability.
- the body and protrusions of the body may be formed from polycarbonate.
- This type of thermoplastic usually has the properties of having very high impact strength and high modulus of elasticity. Further, polycarbonate often has a high heat deflection temperature and absorbs very little moisture. Polycarbonate h available in different grades, having varying properties and transparency.
- the polycarbonate may include glass fibres in various amounts, for example, 10%. 20%, 30% and 40%, to increase tensile strength, stiffness, compressive strength, and providing a lower thermal expansion coefficient.
- Tests h ve been conducted (shear testing) using square concrete pavers and an embodiment of a connector 44 shown in Fig. 6.
- the concrete pavers have the following dimensions 200mm wide x 200mm long x 40mm thick, the connectors have the dimensions 10mm diameter x 21mm long, separated by two 3mm thick EPDM washers comprising the cushion.
- Fig. 27 shows a graph 1 SO indicating Force (kN) 160 measured against Displacement (mm) 162. being respectively the Y and X axes of the graph.
- the graph shows the results for tests 1 (170), 2 (172) and 3 ( 174), being the displacement
- the connector can be adapted and used for connecting slabs of building material, such as pre-formed concrete slabs, which are used to construct vertical, horizontal and other angled surfaces in buildings.
- the connectors may also be used to connect natural stones, whether in a shaped form or in original, natural form.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2014306359A AU2014306359A1 (en) | 2013-08-16 | 2014-08-07 | Connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2013903104 | 2013-08-16 | ||
AU2013903104A AU2013903104A0 (en) | 2013-08-16 | Connector |
Publications (1)
Publication Number | Publication Date |
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WO2015021505A1 true WO2015021505A1 (en) | 2015-02-19 |
Family
ID=52467855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2014/050174 WO2015021505A1 (en) | 2013-08-16 | 2014-08-07 | Connector |
Country Status (2)
Country | Link |
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AU (1) | AU2014306359A1 (en) |
WO (1) | WO2015021505A1 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1811572A1 (en) * | 1968-11-28 | 1970-06-18 | Rudolf Hartmann | Concrete flooring slab and fasteners for it |
DE2534333A1 (en) * | 1975-08-01 | 1977-02-17 | Kraiburg Elastik | Surface and punctiform elastic sports floor panel - comprising rubber elastic covering layer with spaced protuberances underneath |
DE2946242A1 (en) * | 1979-11-16 | 1981-05-21 | Dietrich 6901 Eppelheim Steinkopff | Resilient sports ground cover panelling - has fine strewn granules superimposed on embedded high friction coefficient holding granules |
DE4445673A1 (en) * | 1994-12-21 | 1996-06-27 | Marianne Merk | Floor or pavement forming slab |
EP0724039A1 (en) * | 1995-01-25 | 1996-07-31 | Shinko-Kozai Co., Ltd. | Connective paving block |
US5988942A (en) * | 1996-11-12 | 1999-11-23 | Stewart Trustees Limited | Erosion control system |
FR2812891A1 (en) * | 2000-08-11 | 2002-02-15 | Freyssinet Int Stup | Connector for paving slabs subjected to heavy loads, e.g. in car parks, comprises two sockets, each with recess which are fitted into edges of slabs with recesses facing each other, circular key being fitted into recesses to connect slabs |
US20020078652A1 (en) * | 2000-12-27 | 2002-06-27 | Hawkes E. Gerry | Modular structural surface assembly |
US20070223993A1 (en) * | 2006-03-23 | 2007-09-27 | Martin Marietta Materials, Inc. | Panel system connector |
-
2014
- 2014-08-07 WO PCT/AU2014/050174 patent/WO2015021505A1/en active Application Filing
- 2014-08-07 AU AU2014306359A patent/AU2014306359A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1811572A1 (en) * | 1968-11-28 | 1970-06-18 | Rudolf Hartmann | Concrete flooring slab and fasteners for it |
DE2534333A1 (en) * | 1975-08-01 | 1977-02-17 | Kraiburg Elastik | Surface and punctiform elastic sports floor panel - comprising rubber elastic covering layer with spaced protuberances underneath |
DE2946242A1 (en) * | 1979-11-16 | 1981-05-21 | Dietrich 6901 Eppelheim Steinkopff | Resilient sports ground cover panelling - has fine strewn granules superimposed on embedded high friction coefficient holding granules |
DE4445673A1 (en) * | 1994-12-21 | 1996-06-27 | Marianne Merk | Floor or pavement forming slab |
EP0724039A1 (en) * | 1995-01-25 | 1996-07-31 | Shinko-Kozai Co., Ltd. | Connective paving block |
US5988942A (en) * | 1996-11-12 | 1999-11-23 | Stewart Trustees Limited | Erosion control system |
FR2812891A1 (en) * | 2000-08-11 | 2002-02-15 | Freyssinet Int Stup | Connector for paving slabs subjected to heavy loads, e.g. in car parks, comprises two sockets, each with recess which are fitted into edges of slabs with recesses facing each other, circular key being fitted into recesses to connect slabs |
US20020078652A1 (en) * | 2000-12-27 | 2002-06-27 | Hawkes E. Gerry | Modular structural surface assembly |
US20070223993A1 (en) * | 2006-03-23 | 2007-09-27 | Martin Marietta Materials, Inc. | Panel system connector |
Also Published As
Publication number | Publication date |
---|---|
AU2014306359A1 (en) | 2016-03-17 |
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