LU502495B1 - Small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections - Google Patents
Small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections Download PDFInfo
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- LU502495B1 LU502495B1 LU502495A LU502495A LU502495B1 LU 502495 B1 LU502495 B1 LU 502495B1 LU 502495 A LU502495 A LU 502495A LU 502495 A LU502495 A LU 502495A LU 502495 B1 LU502495 B1 LU 502495B1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The present invention relates to a small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections, including the following steps: 1) erecting a first double-track bridge; 2) moving a bridge erecting machine rightwards to erect a second double-track bridge, and transporting a girder through the first double-track bridge; 3) moving the bridge erecting machine leftwards to erect a second single-track bridge, and transporting a girder through the first double-track bridge; 4) moving the bridge erecting machine rightwards to erect a third single-track bridge extending from the second double-track bridge, and transporting a girder through the first double-track bridge; 5) moving the machine rightwards to erect a fourth single-track bridge extending from the second double-track bridge, and transporting a girder through the first double-track bridge; and 6) moving the machine leftwards to erect a first single-track bridge, and transporting a girder through the first double- track bridge.
Description
DESCRIPTION LU502495 SMALL-DISTANCE MULTI-BRIDGE CONSTRUCTION METHOD FOR
[0001] The present invention relates to a construction method for erecting a plurality of bridges, and in particular, to a small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections.
[0002] At present, there are increasing requirements for simultaneous building of a plurality of railway bridges and simultaneous construction of parallel tracks of a plurality of railway bridges. A distance between bridges is too small to meet a construction requirement for using two bridge erecting machines to perform simultaneous girder erection. Moreover, the bridge erecting machines further need to pass through an existing bridge and a structure of the bridge, which obstructs girder transport in a girder erection process. As a result, a girder erection and construction progress is negatively affected.
[0003] To solve a technical problem, the present invention provides a small-distance multi- bridge construction method for synchronously transporting and erecting box girders of parallel sections, to optimize a box girder erection scheme according to a girder erection order, such that device adjustment is simple during cross operations, and the construction efficiency and the safety level are high.
[0004] To solve the above technical problem, the present invention adopts the following technical solutions. 1. A small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections includes the following steps:
[0005] 1) erecting a first double-track bridge;
[0006] 2) after the first double-track bridge is erected, moving a bridge erecting machine rightwards to erect a second double-track bridge, and transporting a girder through the first double-track bridge;
[0007] 3) after the second double-track bridge is erected, moving the bridge erecting machine leftwards to erect a second single-track bridge, and transporting a girder through the first double. 502495 track bridge;
[0008] 4) after the second single-track bridge is erected, moving the bridge erecting machine rightwards to erect a third single-track bridge extending from the second double-track bridge, and transporting a girder through the first double-track bridge;
[0009] 5) after the third single-track bridge is erected, moving the bridge erecting machine rightwards to erect a fourth single-track bridge extending from the second double-track bridge, and transporting a girder through the first double-track bridge; and
[0010] 6) after the fourth single-track bridge is erected, moving the bridge erecting machine leftwards to erect a first single-track bridge, and transporting a girder through the first double- track bridge.
[0011] The present invention has the following beneficial effects. During erection of a plurality of bridges with small distances, because a distance between parallel bridges is too small to accommodate two or more bridge erecting machines, when cross operations are performed by an optimized box girder erection scheme according to a bridge erection order, and girders are transported by using an erected track bridge to implement synchronous construction, the construction efficiency and the safety level are high.
[0012] The following improvement may be further made in the present invention based on the above technical solution.
[0013] Further, a girder yard and a girder crane lateral movement zone are respectively disposed at two ends of the bridges, and a girder crane is installed in the girder crane lateral movement zone; and
[0014] when leftward or rightward movement of the bridge erecting machine is required, the bridge erecting machine returns to the girder yard and turns around, or the bridge erecting machine is moved leftwards or rightwards by the girder crane.
[0015] The above further solution has the following beneficial effect. The girder crane lateral movement zone is disposed in a small range that spans a region of parallel sections, and the bridge erecting machine may perform a next bridge-erecting operation after turning around in the girder yard or in the girder crane lateral movement zone according to actual conditions, such that the efficiency is high, and time is saved.
[0016] Further, in step 1) to step 6), bridge erection is performed in a small-mileage direction, and then in a large-mileage direction.
[0017] The above further solution has the following beneficial effect. The bridge erecting machine needs to return to the girder yard or move to the girder crane lateral movement zone to turn around, and the girder transporter performs reciprocating transport in two directions, thereby facilitating leftward or rightward movement of the bridge erecting machine. 17006695
[0018] When the girder transporter is blocked by the bridge erecting machine in a girder transport process, the width of the bridge erecting machine can be decreased by rotating a 2# outrigger of the bridge erecting machine to avoid the girder transporter, such that the girder transporter and the bridge erecting machine can pass by each other smoothly, and then perform girder erection and construction for a plurality of tracks in closely parallel sections of bridges simultaneously without interfering with each other. When the bridge erecting machine needs to pass through an existing portal pier, the overall height of the bridge erecting machine can be adjusted to a height suitable for passing through the existing portal pier by extending or withdrawing each outrigger of the bridge erecting machine.
[0019] Further, a width of a main outrigger of the bridge erecting machine extending out of a surface of a bridge is less than 2.4 m.
[0020] The above further solution has the following beneficial effect. When a distance between track bridges of parallel sections is too small, and the width of the main outrigger of the bridge erecting machine extending out of the surface of the bridge is too large, the girder transporter and the bridge erecting machine cannot be staggered when passing by each other.
[0021] Further, a girder transporter in transporting a girder is a separation-type girder transporter.
[0022] The above further solution has the following beneficial effect. The separation-type girder transporter can move flexibly, which is suitable for transporting a girder in a route having a small radius, and which is capable of helping the bridge erecting machine turn around in a site having small space.
[0023] Further, the girder yard is provided with a girder-to-bridge hoisting zone, and the girder- to-bridge hoisting zone includes at least one girder crane that spans four bridges and six tracks and at least one delivering and transporting pedestal that is shared by the double-track bridges and the single-track bridges.
[0024] The above further solution has the following beneficial effect. The girder-to-bridge hoisting zone is configured to move a box girder from the girder yard to the girder transporter. Then, the box girder is transported to a specified location by using the delivering and transporting pedestal and the girder transporter. Therefore, the operation is simple and fast.
[0025] Further, the girder crane lateral movement zone is provided with at least one girder crane that spans four bridges and six tracks.
[0026] The above further solution has the following beneficial effect. The girder crane can not only hoist a girder, but also help the bridge erecting machine turn around.
[0027] Further, after step 6), the method further includes: grouting a support; and removing a template of a grouting material after the strength of the grouting material reaches 20 MPa. 1008608
[0028] The above further solution has the following beneficial effect. After the support is grouted, all sections of the track bridges are connected firmly, thereby facilitating subsequent erection.
[0029] FIG. 1 is a diagram of an erection structure according to a specific embodiment of the present invention; and
[0030] FIG. 2 is a diagram of an erection structure according to Embodiment 1 of the present invention.
[0031] Reference numerals in the accompanying drawings are as follows:
[0032] 1-first double-track bridge; 2-second double-track bridge; 3-second single-track bridge; 4-third single-track bridge; 5-fourth single-track bridge; 6-first single-track bridge; 7-girder yard; 8-girder crane lateral movement zone; and 9-girder-to-bridge hoisting zone.
[0033] The principle and features of the present invention are described below with reference to the accompanying drawings. The listed embodiments are only used to explain the present invention, rather than to limit the scope of the present invention.
[0034] It should be understood that, in the description of the present invention, orientations or position relationships indicated by terms “center”, “length”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “inner”, “outer”, “peripheral side”, “peripheral direction”, and the like are orientation or position relationships based on the accompanying drawings, for ease of describing the present invention and simplifying the description only, rather than indicating or implying that the indicated system or element must have the specific orientation or be constructed and operated in the specific orientation. Therefore, these terms should not be understood as a limitation to the present invention.
[0035] In description of the present invention, "a plurality of" means at least two, for example, two or three, unless otherwise clearly and specifically limited.
[0036] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected to each other", "connected to", "fixed", and the like should be understood in a broad sense. For example, a connection may be a fixed connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediation; and may be an internal communication or an interactive relationship between two elements, unless otherwise clearly limited. Those of ordinary skill in the art may understand specific meanings of the above terms in the present. 502495 invention based on specific situations.
[0037] As shown in FIG. 1, a small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections is provided, including the following steps.
[0038] In step 1), a first double-track bridge 1 is erected. Erection of the first double-track bridge is implemented through cooperation between a bridge erecting machine and a girder transporter that is described subsequently.
[0039] In step 2), after the first double-track bridge 1 is erected, the bridge erecting machine may return to a girder yard, turn around, and then move rightwards to erect a second double- track bridge 2; and a girder is transported through the first double-track bridge 1. A width of a main outrigger of the bridge erecting machine extending out of a surface of a bridge is less than
2.4 m. Because a flange plate of a box girder of the first double-track bridge 1 interferes with the girder transporter or the bridge erecting machine on an adjacent track bridge, the width of the main outrigger of the bridge erecting machine extending out of the surface of the bridge should not be too large.
[0040] In step 3), after the second double-track bridge 2 is erected, the bridge erecting machine is moved leftwards to erect a second single-track bridge 3; and a girder is transported through the first double-track bridge 1. When transporting a girder, the girder transporter is a separation-type girder transporter. The separation-type girder transporter can move flexibly, which is suitable for transporting a girder in a route having a small radius, and which is capable of helping the bridge erecting machine turn around in a site having small space.
[0041] In step 4), after the second single-track bridge 3 is erected, the bridge erecting machine moves rightwards to erect a third single-track bridge 4 extending from the second double-track bridge 2; and a girder is transported through the first double-track bridge 1.
[0042] When the girder transporter is blocked by the bridge erecting machine in a girder transport process, the width of the bridge erecting machine can be decreased by rotating a 2# outrigger of the bridge erecting machine to avoid the girder transporter, such that the girder transporter and the bridge erecting machine can pass by each other smoothly, and then perform erection and construction for a plurality of tracks in closely parallel sections of bridges simultaneously without interfering with each other. When the bridge erecting machine needs to pass through an existing portal pier, the overall height of the bridge erecting machine can be adjusted to a height suitable for passing through the existing portal pier by extending or withdrawing each outrigger of the bridge erecting machine.
[0043] In step 5), after the third single-track bridge 4 is erected, the bridge erecting machine moves rightwards to erect a fourth single-track bridge 5 extending from the second double track bridge 2; and a girder is transported through the first double-track bridge 1. In step 6), after the fourth single-track bridge 5 is erected, the bridge erecting machine moves leftwards to erect a first single-track bridge 6; and a girder is transported through the first double-track bridge 1. After step 6), the method further includes: grouting a support; and removing a template of a grouting material after the strength of the grouting material reaches 20 MPa. In step 1) to step 6), all bridge erection is performed in a small-mileage direction first, and then in a large-mileage direction. The bridge erecting machine needs to return to the girder yard or move to the girder crane lateral movement zone to turn around, and the girder transporter performs reciprocating transport in two directions, thereby facilitating leftward or rightward movement of the bridge erecting machine.
[0044] A girder yard 7 and a girder crane lateral movement zone 8 are respectively disposed at two ends of the bridges. A girder crane is installed in the girder crane lateral movement zone 8. In a specific embodiment, the girder crane lateral movement zone 8 is provided with at least one girder crane that spans four bridges and six tracks.
[0045] When leftward or rightward movement of the bridge erecting machine is required, the bridge erecting machine returns to the girder yard 7 and turns around, or the bridge erecting machine is moved leftwards or rightwards by the girder crane. The girder yard 7 is further used for prefabricating box girders. The girder yard 7 is provided with a girder-to-bridge hoisting zone
9. The girder-to-bridge hoisting zone 9 includes at least one girder crane that spans four bridges and six tracks and at least one delivering and transporting pedestal that is shared by the double- track bridges and the single-track bridges.
[0046] Embodiment 1
[0047] Xiong'an station of Beijing-Xiong'an express intercity railway is an elevated station of a plurality of express railways such as Xiong'an-Shangqiu express railway, Shijiazhuang-Xiong'an express intercity railway, and Shijiazhuang-Xiong'an bullet train railway. To the south of Xiong'an station, there is a express railway station and a flood way (about 1.4 km wide) between a south Xin'gaifang dike and a north Xin'gaifang dike. There are four bridges and six tracks disposed outside Xiong'an station for these express railways. Four parallel bridges having continuous girders (two dual-track bridges and two single-track bridges) whose largest span is 80 m are disposed for each of the south Xin'gaifang dike and the north Xin'gaifang dike to cross the flood discharging embankments. Beyond the south Xin'gaifang dike, the tracks are staggered, the bridges cross each other, and the four bridges and six tracks become five bridges and six tracks. Due to the requirement of a construction period, all these tracks and bridges need to be constructed simultaneously. To meet the requirement of a construction and erection period of prefabricated girders, a girder yard is disposed at the intersection of a Xiong'an-Shangqiu 502495 double-track bridge and a left single-track bridge for express trains, such that girders can be transported and erected for the double-track bridges and the single-track bridges simultaneously. Because the bridges are staggered vertically and parallel to each other, the bridge erecting machine needs to pass through a portal pier back and forth for construction when erecting a box girder; and when the bridge erecting machine passes through a continuous girder, an outrigger of the bridge erecting machine needs to avoid obstacles such as continuous girders which are under construction. The following problem also needs to be solved at the same time. A distance between two parallel bridges is not large enough to meet such a construction requirement that girders are erected on one of the two parallel bridges and girders are transported on the other one of the two parallel bridges.
[0048] There are the following parallel tracks (the length of the four bridges and six tracks is about 1.4 km): a left Shijiazhuang-Xiong'an track (a single-track bridge), a left express track (a single-track bridge), Xiong'an-Shangqiu tracks (a double-track bridge), as well as a right express track and a right Shijiazhuang-Xiong'an track (a double-track bridge and two single-track bridges behind the double-track bridge). Distances between these tracks are 14 m, 5 m, 5 m, and 5 m, respectively. The length of the five bridges and six tracks is about 1 km. Beyond the south Xin'gaifang dike, the elevation of the left Shijiazhuang-Xiong'an single-track bridge increases gradually, such that the left Shijiazhuang-Xiong'an single-track bridge spans over the Xiong'an- Shangqiu double-track bridge and the left express single-track bridge; and the elevation of the left express single-track bridge decreases gradually, such that the left express single-track bridge passes below the Xiong'an-Shangqiu double-track bridge. All piers used for spanning are portal piers having a minimum clearance of 8.4 m.
[0049] A specific construction process of parallel sections includes the following steps. In step 1), a Xiong'an-Shangqiu double-track bridge is erected. In step 2), after the Xiong'an-Shangqiu double-track bridge is erected, the bridge erecting machine is moved rightwards to erect a double-track bridge including the right express track and the right Shijiazhuang-Xiong'an track, and a girder is transported through the Xiong'an-Shangqiu double-track bridge. In step 3), after the double-track bridge including the right express track and the right Shijiazhuang-Xiong'an track is erected, the left express single-track bridge is erected, and a girder is transported through the Xiong'an-Shangqiu double-track bridge. In step 4), after the left express single-track bridge is erected, the right express single-track bridge is erected, and a girder is transported through the Xiong'an-Shangqiu double-track bridge. In step 5), after the right express single-track bridge is erected, the right Shijiazhuang-Xiong'an single-track bridge is erected. In step 6), finally, after the right Shijiazhuang-Xiong'an single-track bridge is erected, the left Shijiazhuang-Xiong'an single-track bridge is erected, and a girder is also transported through the Xiong'an-Shangqiu 502495 double-track bridge.
[0050] When the Xiong'an-Shangqiu double-track bridge is completely erected, and the bridge erecting machine is moved to the right Shijiazhuang-Xiong'an track and the right express track for erection of the same, the girder transporter transports a girder through the Xiong'an-Shangqiu double-track bridge. When the girder transporter and the bridge erecting machine pass by each other, a flange plate of the girder transporter is blocked by a 2# outrigger of the bridge erecting machine. As a result, the girder transporter cannot pass by the bridge erecting machine normally. In this case, the 2# outrigger of the bridge erecting machine may be rotated by 70 degrees when the bridge erecting machine is in a non-erecting state, such that the width of the 2# outrigger is decreased from 14.4 m to 7.6 m, and the width of the bridge erecting machine is decreased. Therefore, the girder transporter can pass the bridge erecting machine smoothly. After the girder transporter passes the 2# outrigger, the bridge erecting machine may automatically rotate the 2# outrigger to enter an erecting state, such that hole passing of the bridge erecting machine is completed.
[0051] When a track under construction meets a portal pier overhead, the bridge erecting machine is restricted by the clearance and the clear width of the portal pier. Generally, the bridge erecting machine in a normal erecting state cannot pass through the portal pier due to the height and width restriction of the 2# outrigger. Herein, a minimum clearance is used as an example for description. When the bridge erecting machine passes through the portal pier, three outriggers of the bridge erecting machine are withdrawn, and the height of the outriggers changes from 11.14 m to 7.6 m, such that the bridge erecting machine can pass through the portal pier whose minimum clearance is 8.049 m. Therefore, requirements for girder erection and construction are met.
[0052] In this description, descriptions of the reference terms "an embodiment”, "some embodiments", "an example", "a specific example", "some examples" or the like mean that a specific feature, structure, material or characteristic described with reference to the embodiment or example is included in at least one of the embodiments or examples of the present invention. In this description, schematic descriptions of such terms are not necessarily for a same embodiment or example. In addition, the specific feature, structure, material and characteristic described may be combined in an appropriate fashion in any one or more embodiments or examples. Moreover, when conflicts are absent, those skilled in the art may integrate or combine different embodiments or examples as well as features of the different embodiments or examples described in this description.
[0053] The above descriptions are merely preferred embodiments of the present invention, and are not intended to limit the present invention.
Any modifications, equivalent replacements improvements, and the like made within the spirit and principle of the present invention shall be all included in the protection scope of the present invention.
Claims (8)
1. A small-distance multi-bridge construction method for synchronously transporting and 502495 erecting box girders of parallel sections, comprising the following steps: 1) erecting a first double-track bridge (1); 2) after the first double-track bridge (1) is erected, moving a bridge erecting machine rightwards to erect a second double-track bridge (2), and transporting a girder through the first double-track bridge (1); 3) after the second double-track bridge (2) is erected, moving the bridge erecting machine leftwards to erect a second single-track bridge (3), and transporting a girder through the first double-track bridge (1); 4) after the second single-track bridge (3) is erected, moving the bridge erecting machine rightwards to erect a third single-track bridge (4) extending from the second double-track bridge (2), and transporting a girder through the first double-track bridge (1); 5) after the third single-track bridge (4) is erected, moving the bridge erecting machine rightwards to erect a fourth single-track bridge (5) extending from the second double-track bridge (2), and transporting a girder through the first double-track bridge (1); and 6) after the fourth single-track bridge (5) is erected, moving the bridge erecting machine leftwards to erect a first single-track bridge (6), and transporting a girder through the first double-track bridge (1).
2. The small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections according to claim 1, wherein a girder yard (7) and a girder crane lateral movement zone (8) are respectively disposed at two ends of the bridges, and a girder crane is installed in the girder crane lateral movement zone (8); and when leftward or rightward movement of the bridge erecting machine is required, the bridge erecting machine returns to the girder yard (7) and turns around, or the bridge erecting machine is moved leftwards or rightwards by the girder crane.
3. The small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections according to claim 1, wherein in step 1) to step 6), bridge erection is performed in a small-mileage direction, and then in a large-mileage direction.
4. The small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections according to claim 1, wherein a width of a main outrigger of the bridge erecting machine extending out of a surface of a bridge is less than 2.4 m.
5. The small-distance multi-bridge construction method for synchronously transporting and 502495 erecting box girders of parallel sections according to any one of claims 1 to 4, wherein a girder transporter in transporting a girder is a separation-type girder transporter.
6. The small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections according to claim 2, wherein the girder yard (7) is provided with a girder-to-bridge hoisting zone (9), and the girder-to-bridge hoisting zone (9) comprises at least one girder crane that spans four bridges and six tracks and at least one delivering and transporting pedestal that is shared by the double-track bridges and the single- track bridges.
7. The small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections according to claim 6, wherein the girder crane lateral movement zone (8) is provided with at least one girder crane that spans four bridges and six tracks.
8. The small-distance multi-bridge construction method for synchronously transporting and erecting box girders of parallel sections according to claim 1, wherein after step 6), the method further comprises: grouting a support; and removing a template of a grouting material after the strength of the grouting material reaches 20 MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110891333.8A CN113756190B (en) | 2021-08-04 | 2021-08-04 | Small-spacing multi-bridge parallel section box girder synchronous frame transporting construction method |
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| LU502495B1 true LU502495B1 (en) | 2023-01-12 |
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| CN (1) | CN113756190B (en) |
| LU (1) | LU502495B1 (en) |
| WO (1) | WO2023010644A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4948041B2 (en) * | 2006-05-31 | 2012-06-06 | 日本車輌製造株式会社 | Bridge erection method |
| JP5203662B2 (en) * | 2007-09-26 | 2013-06-05 | 株式会社エム・テック | Bridge main girder erection method and erection girder horizontal mechanism |
| CN106567342A (en) * | 2016-11-10 | 2017-04-19 | 上海市基础工程集团有限公司 | Method for erecting precast beam of super-wide bridge deck at narrow space by using high-low leg gantry crane |
| CN106758861A (en) * | 2017-03-17 | 2017-05-31 | 王燏斌 | A kind of bridging device and its construction method |
| CN107165051B (en) * | 2017-05-15 | 2018-09-18 | 中铁三局集团线桥工程有限公司 | Elevated station list double line box girder erection construction method |
| CN107165055A (en) * | 2017-07-07 | 2017-09-15 | 中铁二局集团有限公司 | Beam and full span erection construction method are transported on a kind of large-tonnage, asymmetric, framing prefabricated case beam beam |
| CN107675630A (en) * | 2017-09-09 | 2018-02-09 | 中建八局第三建设有限公司 | A kind of overhead prefabricated box girder erection device of light rail and its construction method |
| CN208104910U (en) * | 2018-03-30 | 2018-11-16 | 中铁二局第四工程有限公司 | A kind of middle low speed magnetic suspension is low to set route road structure |
| CN208501523U (en) * | 2018-05-30 | 2019-02-15 | 郑州市华中建机有限公司 | It is a kind of novel for setting up the Bridge Erector for spelling wide beam |
| CN110230261B (en) * | 2019-05-21 | 2021-08-17 | 宁波市政工程建设集团股份有限公司 | Mounting construction method for upper frame beam of double-layer synchronous beam |
| CN110055902B (en) * | 2019-05-23 | 2020-12-22 | 中铁二局集团有限公司 | Large-tonnage box girder normal position lifting beam bridge erecting construction method and erection method thereof |
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2021
- 2021-08-04 CN CN202110891333.8A patent/CN113756190B/en active Active
- 2021-09-06 WO PCT/CN2021/116670 patent/WO2023010644A1/en unknown
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| WO2023010644A1 (en) | 2023-02-09 |
| CN113756190A (en) | 2021-12-07 |
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Effective date: 20230112 |