CN208346632U - Point band concrete guardrail build-in heightening device in biplate with quick-assembling function - Google Patents
Point band concrete guardrail build-in heightening device in biplate with quick-assembling function Download PDFInfo
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- CN208346632U CN208346632U CN201820861189.7U CN201820861189U CN208346632U CN 208346632 U CN208346632 U CN 208346632U CN 201820861189 U CN201820861189 U CN 201820861189U CN 208346632 U CN208346632 U CN 208346632U
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Abstract
The utility model discloses in the biplate with quick-assembling function points of band concrete guardrail build-in heightening devices, including former concrete guardrail, concrete heightening device, bracing structure.The original concrete guardrail includes twice back to adjacent wall, the concrete heightening device is that the prefabricated section of reinforced concrete structure is assembled, the concrete heightening device is placed on the top surface of former concrete guardrail twice wall, the concrete heightening device is continuously arranged on former concrete guardrail, the bracing structure is prefabricated reinforced concrete structure, and the bracing structure is arranged between twice concrete heightening device.The utility model has the following beneficial effects: making former guard bar structure security protection ability be significantly improved with build-in by increasing for structure；Being transformed using the device can make full use of original structure to avoid waste of material simultaneously；It using prefabricated processing technology, constructs the convenient duration that improvement project is greatly shortened, while saving engineering cost.
Description
Technical field
The utility model relates in the biplate with quick-assembling function points of band concrete guardrail build-in heightening devices.
Background technique
The bridge on highway guardrail that early stage builds is mostly according to " expressway traffic safety facilities design and construction technology is advised
Model " (JTJ 074-94) requirement design.In recent years, with the rapid development of domestic economy, automobile it is increasing so that
Original freeway guardrail security protection ability has been unable to meet domestic present traffic safety demand, carries out upgrading and changes
It makes.It needs to be arranged at Expressway Central Strip and meets point band guardrail in demand for security, in errant vehicle collision occurs
Errant vehicle effectively can be intercepted and be oriented to when dividing band guardrail, reduces the hair for dividing band to rush at opposite lane situation in vehicles traverse
It is raw.Some median barriers are set as the guardrail of twice concrete foundation, rebuild if removing completely, not only project amount is huge
Greatly, while former guard bar structure is completely discarded, results in waste of resources, and some sections are transformed, but be related in engineering bar planting,
The techniques such as weld, pour, step is more and construction is more complex, and needs to construct to twice guardrail, project amount it is same more and
Construction period is longer.
Therefore, in the case where keeping former concrete wall structure completely motionless, in conjunction with prefabricating and constructing, propose have
Point band concrete guardrail build-in heightening device in the biplate of quick-assembling function, it is mixed by increasing on original concrete wall top
The mode of solidifying soil heightening device improves guardrail height and protective capacities, solves to apply in point band concrete guardrail transformation process in biplate
The problems such as work is inconvenient, at high cost, long in time limit.
Utility model content
The purpose of the utility model is to provide in the biplate with quick-assembling function points of band concrete guardrail build-ins to increase
Device, to solve the complex process, cost such as the insufficient brought dismounting of existing guardrail protective capacities at present and bar planting, cast in situs
The deficiencies of high, long in time limit.
The utility model can be achieved through the following technical solutions:
Point band concrete guardrail build-in heightening device in biplate with quick-assembling function, including former concrete guardrail,
Concrete heightening device, bracing structure.The original concrete guardrail includes twice back to adjacent wall, the concrete
Heightening device is that the prefabricated section of reinforced concrete structure is assembled, and the concrete heightening device is placed on former concrete guardrail
On the top surface of twice wall, the concrete heightening device is continuously arranged on former concrete guardrail, and the concrete increases dress
Set to meet and hit face bottom equipped with embedded slot, the build-in groove bottom is bonded with former concrete guardrail top surface, the embedded slot side and
Former concrete guardrail back fitting, the bracing structure are prefabricated reinforced concrete structure, the bracing structure
It is arranged between twice concrete heightening device.
Further, when the concrete heightening device and bracing structure are an integral structure, the concrete
Be arranged between every section prefabricated section of heightening device it is longitudinally connected, the concrete heightening device and bracing structure prefabricated plus
It is poured in work as an entirety, the bracing structure includes two kinds of set-up modes, cross-brace knot described in mode one at this time
Structure is continuously arranged on the length direction of concrete heightening device, and bracing structure described in mode two is in concrete heightening device
It is interrupted setting on length direction.
Further, described longitudinally connected in the integral structure of the concrete heightening device and bracing structure
Boss is arranged in prefabricated section both ends, and the integral type prefabricated section of the boss and the concrete heightening device and bracing structure is same
For an entirety, comprising the concrete heightening device, bracing structure, boss prefabricated section on, boss institute direction
The direction of traffic of the direction side road close for the boss.
Further, described longitudinally connected in the integral structure of the concrete heightening device and bracing structure
Groove is arranged in prefabricated section both ends, and the small upper opening of the bottom portion of groove opening is big, two grooves being located next between two prefabricated sections
Interior setting link block.
Further, described longitudinally connected in the integral structure of the concrete heightening device and bracing structure
Prefabricated section one end is arranged the groove other end and boss is arranged, and boss described in two adjacent prefabricated section junctions is placed on the groove
It is interior.
Further, described longitudinally connected in the integral structure of the concrete heightening device and bracing structure
Anchor bolt is respectively set in prefabricated section both ends, and setting junction steel plate is mounted on the anchor bolt of two prefabricated sections, and every two is pre-
Clamp dog adjacent is respectively provided with one piece of junction steel plate.
Further, when the concrete heightening device and bracing structure are separate structure, the concrete
Heightening device and bracing structure distinguish prefabricated processing, and concrete heightening device back is oblique line shape, the concrete
The small trapezoid space of the big lower openings of upper opening, the bracing structure two are formed between heightening device twice wall
The plane of side and the face paste at concrete heightening device back are closed, and the bracing structure is in concrete heightening device length direction
Upper interruption setting.
Further, when the connecting sewing between the every section prefabricated section of the concrete heightening device is in former concrete guardrail twice
Position is identical on wall length direction, and the company between the every section prefabricated section of concrete heightening device is arranged in the bracing structure
Seam crossing；When the connecting sewing between the every section prefabricated section of the concrete heightening device is in former concrete guardrail twice wall length side
Upward position is staggered, and the bracing structure is arranged at the connecting sewing between the every section prefabricated section of concrete heightening device；When
Connecting sewing between the every section prefabricated section of the concrete heightening device position on former concrete guardrail twice wall length direction
It is identical, it is arranged between every section prefabricated section of the concrete heightening device longitudinally connected.
Further, the concrete heightening device, which meets to be arranged or be not provided with to hinder at the top of face of hitting, climbs bank.
After adopting the above technical scheme, the utility model have it is following the utility model has the advantages that by structure increase and build-in
Former guard bar structure security protection ability is set to be significantly improved；Being transformed using the device can make full use of original structure to avoid material
Material waste is simultaneously；Using prefabricated processing technology, construct the convenient duration that improvement project is greatly shortened, at the same save engineering at
This.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is one concrete heightening device of embodiment and bracing structure top view；
Fig. 2 is two concrete heightening device of embodiment and bracing structure top view；
Fig. 3 is three concrete heightening device of embodiment and bracing structure top view；
Fig. 4 is example IV concrete heightening device and bracing structure top view；
Fig. 5 is five concrete heightening device of embodiment and bracing structure top view；
Fig. 6 is the Section A-A figure of embodiment one, two, three；
Fig. 7 is the sectional view of the entire embodiment of Section A-A of embodiment one, two, three；
Fig. 8 is the section B-B figure of embodiment one, two, three；
Fig. 9 is the sectional view of the entire embodiment of section B-B of embodiment one, two, three；
Figure 10 is the C-C sectional view of example IV；
Figure 11 is the sectional view of the entire example IV in the section C-C of example IV；
Figure 12 is the D-D sectional view of example IV；
Figure 13 is the sectional view of the entire example IV in the section D-D of example IV；
Figure 14 is the E-E sectional view of embodiment five；
Figure 15 is the sectional view of the entire embodiment five in the section E-E of embodiment five；
Figure 16 is that the six concrete heightening device of embodiment optimized on the basis of Fig. 5 and bracing structure are overlooked
Figure；
Figure 17 is that embodiment six includes the prefabricated section top view including concrete heightening device, bracing structure, boss；
Figure 18 is that the seven concrete heightening device of embodiment optimized on the basis of Fig. 5 and bracing structure are overlooked
Figure；
Figure 19 is that embodiment seven includes the prefabricated section top view including concrete heightening device, bracing structure, groove；
Figure 20 is the side view of Figure 19；
Figure 21 is that the eight concrete heightening device of embodiment optimized on the basis of Fig. 5 and bracing structure are overlooked
Figure；
Figure 22 is that embodiment eight is bowed comprising the prefabricated section including concrete heightening device, bracing structure, boss, groove
View；
Figure 23 is that the nine concrete heightening device of embodiment optimized on the basis of Fig. 5 and bracing structure are overlooked
Figure；
Figure 24 is that the ten concrete heightening device of embodiment optimized on the basis of Fig. 5 and bracing structure are overlooked
Figure.
In figure:
1, concrete heightening device；2, longitudinally connected；3, former concrete guardrail；4, lateral stull；5, bank is climbed in resistance；6, build-in
Slot；7, boss；8, groove；9, link block；10, anchor bolt；11, junction steel plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art's all other embodiment obtained, belongs to
The range of the utility model protection.
Fig. 1 is the top view of one concrete heightening device 1 and bracing structure 4 of the utility model embodiment, and Fig. 6 is figure
1 Section A-A figure, Fig. 7 are the sectional views of the entire embodiment one of Section A-A, and Fig. 8 is the section B-B figure of Fig. 1, and Fig. 9 is B-B
The sectional view of the entire embodiment one in section.It include former concrete guardrail 3, concrete heightening device 1, laterally branch in embodiment one
Support structure 4.The original concrete guardrail 3 includes twice back to adjacent wall, and the concrete heightening device 1 is reinforced concrete
The prefabricated section of soil structure is assembled, and the concrete heightening device 1 is placed on the top surface of former 3 twice wall of concrete guardrail
On, the concrete heightening device 1 is continuously arranged on former concrete guardrail 3, and the concrete heightening device 1, which is met, hits face bottom
Equipped with embedded slot 6,6 bottom surface of embedded slot is bonded with 3 top surface of former concrete guardrail, 6 side of embedded slot and former concrete
The fitting of 3 back of guardrail, the bracing structure 4 are prefabricated reinforced concrete structure, and the setting of bracing structure 4 exists
Between twice concrete heightening device 1.
Concrete heightening device 1 described in embodiment one and bracing structure 4 are separate structure, and the two needs to distinguish
Prefabricated processing.1 back of concrete heightening device is oblique line shape, is formed on one between the concrete heightening device 1 of twice wall
Portion is open the small trapezoid space of big lower openings, and bracing structure 4 is placed in the space, and the plane and concrete of two sides
The face paste at 1 back of heightening device is closed, and the bracing structure 4 described in the longitudinal direction is in 1 length direction of concrete heightening device
Upper interruption setting.Connecting sewing between the every section prefabricated section of the concrete heightening device 1 is long in former 3 twice wall of concrete guardrail
Position is staggered on degree direction, and the connecting sewing between the every section prefabricated section of concrete heightening device 1 is arranged in the bracing structure 4
Place.
Fig. 2 is the top view of two concrete heightening device 1 and bracing structure 4 of the utility model embodiment, and Fig. 6 is
The Section A-A figure of Fig. 2, Fig. 7 are also the sectional view of the entire embodiment two of the Section A-A of Fig. 2, and Fig. 8 is the section B-B of same Fig. 2
Figure, Fig. 9 is both the sectional view of the entire embodiment two of the section B-B of Fig. 2.Compared to embodiment one, embodiment two it is described mixed
It is identical to coagulate the position on former 3 twice wall length direction of concrete guardrail of the connecting sewing between the every section prefabricated section of soil heightening device 1,
Bracing structure 4 is arranged at the connecting sewing between the every section prefabricated section of concrete heightening device 1, cross-brace in width direction
Structure 4 is arranged between 1 back of twice concrete heightening device.
Fig. 3 is the top view of three concrete heightening device 1 and bracing structure 4 of the utility model embodiment, and Fig. 6 is
The Section A-A figure of Fig. 3, Fig. 7 are also the sectional view of the entire embodiment three of the Section A-A of Fig. 3, and Fig. 8 is the section B-B of same Fig. 3
Figure, Fig. 9 is both the sectional view of the entire embodiment three of the section B-B of Fig. 3.Compared to embodiment one, embodiment three it is described mixed
It is identical to coagulate the position on former 3 twice wall length direction of concrete guardrail of the connecting sewing between the every section prefabricated section of soil heightening device 1,
And longitudinally connected 2 are arranged between every section prefabricated section, the bracing structure 4 is arranged at 1 back of twice concrete heightening device
Between.
Fig. 4 is the top view of four concrete heightening device 1 and bracing structure 4 of the utility model embodiment, Tu10Shi
The C-C sectional view of Fig. 4, Figure 11 are the sectional views of the entire example IV in the section C-C, and Figure 12 is the D-D sectional view of Fig. 4, Figure 13
It is the sectional view of the entire example IV in the section D-D.Concrete heightening device described in example IV 1 and bracing structure 4
It is an integral structure, is arranged longitudinally connected 2 between every section prefabricated section of the concrete heightening device 1, concrete heightening device 1
It is poured in prefabricated processing with bracing structure 4 as an entirety, and bracing structure 4 is long in concrete heightening device 1
It spends and is interrupted setting on direction.
Fig. 5 is the top view of five concrete heightening device 1 and bracing structure 4 of the utility model embodiment, Tu14Shi
The E-E sectional view of Fig. 5, Figure 15 are the sectional views of the entire embodiment five in the section E-E.Concrete described in embodiment five increases dress
It sets 1 to be an integral structure with bracing structure 4, with example IV the difference is that the bracing structure 4 is mixed
Continuously it is arranged on the length direction of solidifying soil heightening device 1.
Embodiment six shown in Figure 16, Figure 17 are obtained by optimization longitudinally connected 2 on the basis of embodiment five.It is described vertical
It is that boss 7 is set at the integral structure prefabricated section both ends of the concrete heightening device 1 and bracing structure 4 to connection 2,
The integral type prefabricated section of the boss 7 and the concrete heightening device 1 and bracing structure 4 is all an entirety, is being wrapped
Containing the concrete heightening device 1, bracing structure 4, boss 7 prefabricated section on, the directions of 7 directions of boss is the boss
The direction of traffic of 7 close side roads.Figure 16 arrow direction is direction of traffic.
Embodiment seven shown in Figure 18, Figure 19, Figure 20 are obtained by optimization longitudinally connected 2 on the basis of embodiment five,
Longitudinally connected 2 is in the integral structure prefabricated section both ends setting grooves of the concrete heightening device 1 and bracing structure 4
8, the small upper opening of 8 bottom opening of groove is big, and link block 9 is arranged in two grooves 8 being located next between two prefabricated sections.
Embodiment eight shown in Figure 21, Figure 22, Zong Xianglian are obtained by optimization longitudinally connected 2 on the basis of embodiment five
It is another for groove 8 is arranged in integral structure prefabricated section one end of the concrete heightening device 1 and bracing structure 4 to connect 2
Boss 7 is arranged in end, and boss 7 described in two adjacent prefabricated section junctions is placed in the groove 8.
Embodiment nine shown in Figure 23 are obtained by optimization longitudinally connected 2 on the basis of embodiment five, longitudinally connected 2 are
Anchor bolt 10 is respectively set at the integral structure prefabricated section both ends of the concrete heightening device 1 and bracing structure 4,
Junction steel plate 11 is arranged to be mounted on the anchor bolt 10 of two prefabricated sections, every two prefabricated section adjacent is respectively provided with one piece of connection
Steel plate 11.
Embodiment ten shown in Figure 24 is compared with embodiment nine the difference is that the arrangement mode of anchor bolt 10 is different.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. point band concrete guardrail build-in heightening device in the biplate with quick-assembling function, including former concrete guardrail (3),
Concrete heightening device (1), bracing structure (4), it is characterised in that: the original concrete guardrail (3) include twice back to
Adjacent wall, the concrete heightening device (1) are that the prefabricated section of reinforced concrete structure is assembled, and the concrete adds
High device (1) is placed on the top surface of former concrete guardrail (3) twice wall, and the concrete heightening device (1) is in former coagulation
Continuously it is arranged on native guardrail (3), the concrete heightening device (1), which is met, hits face bottom equipped with embedded slot (6), the embedded slot
(6) bottom surface is bonded with former concrete guardrail (3) top surface, and embedded slot (6) side is bonded with former concrete guardrail (3) back,
The bracing structure (4) is prefabricated reinforced concrete structure, and the bracing structure (4) is arranged in twice concrete
Between heightening device (1).
2. point band concrete guardrail build-in heightening device in the biplate according to claim 1 with quick-assembling function,
It is characterized by: when the concrete heightening device (1) and bracing structure (4) are an integral structure, the concrete
It is arranged longitudinally connected (2) between every section prefabricated section of heightening device (1), the concrete heightening device (1) and cross-brace knot
Structure (4) is poured in prefabricated processing as an entirety, and the bracing structure (4) includes two kinds of set-up modes, mode at this time
One bracing structure (4) is continuously arranged on the length direction of concrete heightening device (1), laterally props up described in mode two
Support structure (4) is interrupted setting on concrete heightening device (1) length direction.
3. point band concrete guardrail build-in heightening device in the biplate according to claim 2 with quick-assembling function,
It is characterized by: described longitudinally connected (2) are the integral type in the concrete heightening device (1) and bracing structure (4)
Boss (7) are arranged in structure prefabricated section both ends, the boss (7) and the concrete heightening device (1) and bracing structure (4)
Integral type prefabricated section be all an entirety, including the concrete heightening device (1), bracing structure (4), boss
(7) on prefabricated section, the direction of traffic of the direction of boss (7) institute direction side road close for the boss (7).
4. point band concrete guardrail build-in heightening device in the biplate according to claim 2 with quick-assembling function,
It is characterized by: described longitudinally connected (2) are the integral type in the concrete heightening device (1) and bracing structure (4)
Groove (8) are arranged in structure prefabricated section both ends, and the small upper opening of groove (8) bottom opening is big, is located next between two prefabricated sections
Two grooves (8) in be arranged link block (9).
5. point band concrete guardrail build-in heightening device in the biplate according to claim 2 with quick-assembling function,
It is characterized by: described longitudinally connected (2) are the integral type in the concrete heightening device (1) and bracing structure (4)
Structure prefabricated section one end is arranged groove (8) other end and boss (7) is arranged, boss (7) described in two adjacent prefabricated section junctions
It is placed in the groove (8).
6. point band concrete guardrail build-in heightening device in the biplate according to claim 2 with quick-assembling function,
It is characterized by: described longitudinally connected (2) are the integral type in the concrete heightening device (1) and bracing structure (4)
Structure prefabricated section both ends are respectively set anchor bolt (10), and setting junction steel plate (11) is mounted on the anchor bolt of two prefabricated sections
(10) on, every two prefabricated section adjacent is respectively provided with one piece of junction steel plate (11).
7. point band concrete guardrail build-in heightening device in the biplate according to claim 1 with quick-assembling function,
It is characterized by: when the concrete heightening device (1) and bracing structure (4) are separate structure, the concrete
Heightening device (1) and bracing structure (4) prefabricated processing respectively, concrete heightening device (1) back are oblique line shape, institute
It states and forms the small trapezoid space of the big lower openings of upper opening, the cross between concrete heightening device (1) twice wall
The face paste of plane and concrete heightening device (1) back to support construction (4) two sides is closed, and the bracing structure (4) exists
It is interrupted setting on concrete heightening device (1) length direction.
8. point band concrete guardrail build-in heightening device in the biplate according to claim 7 with quick-assembling function,
It is characterized by: when the connecting sewing between the every section prefabricated section of concrete heightening device (1) is in former concrete guardrail (3) twice
Position is identical on wall length direction, the bracing structure (4) setting the every section prefabricated section of concrete heightening device (1) it
Between connecting sewing at；When the connecting sewing between the every section prefabricated section of concrete heightening device (1) is in former concrete guardrail (3) two
Position is staggered on road wall length direction, and the bracing structure (4) is arranged in the every section prefabricated section of concrete heightening device (1)
Between connecting sewing at；When the connecting sewing between the every section prefabricated section of concrete heightening device (1) is in former concrete guardrail (3)
Position is identical on twice wall length direction, is arranged between every section prefabricated section of the concrete heightening device (1) longitudinally connected
(2).
9. point band concrete guardrail build-in heightening device in the biplate according to claim 1 with quick-assembling function,
It is characterized by: the concrete heightening device (1), which meets to be arranged or be not provided with to hinder at the top of face of hitting, climbs bank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820861189.7U CN208346632U (en) | 2018-06-05 | 2018-06-05 | Point band concrete guardrail build-in heightening device in biplate with quick-assembling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820861189.7U CN208346632U (en) | 2018-06-05 | 2018-06-05 | Point band concrete guardrail build-in heightening device in biplate with quick-assembling function |
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| CN208346632U true CN208346632U (en) | 2019-01-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593170A (en) * | 2019-09-12 | 2019-12-20 | 苏州交通工程集团有限公司 | Formwork supporting device of reinforced concrete guardrail and construction process thereof |
| CN112663541A (en) * | 2020-12-22 | 2021-04-16 | 浙江交工集团股份有限公司 | Installation and construction method for ecological prefabricated guardrail of central separation zone |
| CN116084274A (en) * | 2023-01-05 | 2023-05-09 | 湖南省高速公路集团有限公司 | Bridge guardrail heightening structure and construction transformation method |
-
2018
- 2018-06-05 CN CN201820861189.7U patent/CN208346632U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593170A (en) * | 2019-09-12 | 2019-12-20 | 苏州交通工程集团有限公司 | Formwork supporting device of reinforced concrete guardrail and construction process thereof |
| CN112663541A (en) * | 2020-12-22 | 2021-04-16 | 浙江交工集团股份有限公司 | Installation and construction method for ecological prefabricated guardrail of central separation zone |
| CN112663541B (en) * | 2020-12-22 | 2022-10-21 | 浙江交工集团股份有限公司 | Installation and construction method for ecological prefabricated guardrail of central separation zone |
| CN116084274A (en) * | 2023-01-05 | 2023-05-09 | 湖南省高速公路集团有限公司 | Bridge guardrail heightening structure and construction transformation method |
| CN116084274B (en) * | 2023-01-05 | 2023-12-05 | 湖南省高速公路集团有限公司 | Bridge guardrail heightening structure and construction transformation method |
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Address after: No.22 Xinghua Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangdong transportation planning and Design Institute Group Co.,Ltd. Patentee after: GUANGDONG MAOZHAN HIGHWAY Co.,Ltd. Patentee after: BEIJING HUALUAN TRAFFIC TECHNOLOGY Co.,Ltd. Address before: No.22 Xinghua Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG PROVINCE COMMUNICATIONS PLANNING & DESIGN INSTITUTE Co.,Ltd. Patentee before: GUANGDONG MAOZHAN HIGHWAY Co.,Ltd. Patentee before: BEIJING HUALUAN TRAFFIC TECHNOLOGY Co.,Ltd. |