LU502065B1 - Installation method for prefabricated bent cap of viaduct - Google Patents
Installation method for prefabricated bent cap of viaduct Download PDFInfo
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- LU502065B1 LU502065B1 LU502065A LU502065A LU502065B1 LU 502065 B1 LU502065 B1 LU 502065B1 LU 502065 A LU502065 A LU 502065A LU 502065 A LU502065 A LU 502065A LU 502065 B1 LU502065 B1 LU 502065B1
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- bent cap
- prefabricated bent
- column
- prefabricated
- observation
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention discloses an installation method for a prefabricated bent cap of a viaduct, comprising the following steps: S1 pasting of observation marks: pasting observation marks on an end of the prefabricated bent cap, a center point of a side surface of the prefabricated bent cap and a center point of a column; S2 pre-assembly: hoisting the prefabricated bent cap to an upper end of the column, then adjusting a position of the prefabricated bent cap on the column by observing the observation marks, and marking the position of the prefabricated bent cap after adjusting to a desired position; and S3 formal assembly: hoisting the marked prefabricated bent cap, then performing grouting on a top of the column, after grouting, hoisting the bent cap to the top of the column, and performing correction according to the observation marks and the marking, so as to complete the formal assembly of the prefabricated bent cap and the column. In the present invention, multiple observation signs are set on the prefabricated bent cap and the column, and pre-assembly and formal assembly of the prefabricated bent cap are performed at the same time. Moreover, during the assembly process, the degree of verticality, flatness, and elevation of the bent cap are pre-positioned and checked through the observation signs, thereby greatly improving the assembly accuracy.
Description
BL-5383
INSTALLATION METHOD FOR PREFABRICATED BENT CAP OF VIADUCT LU502065 Technical Field
[0001] The present invention relates to an installation method for a bent cap in an assembled manner, and in particular to an installation method for a prefabricated bent cap of a viaduct. Background Art
[0002] At present, the prefabricated assembly construction technology of assembled viaducts has gradually become a main method for construction of smart expressways. The prefabricated assembly construction technology replaces the traditional cast-in-place concrete construction technology. It can improve the construction quality, shorten the construction period, and reduce the number of on-site construction workers. At the same time, the impact of construction on traffic and the environment can be reduced. At present, the prefabricated assembly construction technology of viaducts is mainly applicable to the construction of prefabricated columns and prefabricated bent caps. The assembly of prefabricated bent caps directly restricts the prefabricated assembly of viaducts.
[0003] However, in the actual construction process on site, the assembly accuracy of prefabricated bent caps is required to be very high. When assembling prefabricated bent caps, it is necessary to check the degree of verticality, plane position, elevation, etc. of the prefabricated bent caps many times. Therefore, the assembly of prefabricated bent caps is very difficult. Summary of the Invention
[0004] An objective of the present invention is to provide an installation method for a prefabricated bent cap of a viaduct, so as to solve the above-mentioned problems in the background art.
[0005] In order to achieve the above objective, the present invention provides the following 1
BL-5383 technical solution: LU502065
[0006] An installation method for a prefabricated bent cap of a viaduct, comprising the following steps:
[0007] S1 pasting of observation marks: pasting observation marks on an end of the prefabricated bent cap, a center point of a side surface of the prefabricated bent cap and a center point of a column;
[0008] S2 pre-assembly; hoisting the prefabricated bent cap to an upper end of the column, then adjusting a position of the prefabricated bent cap on the column by observing the observation marks, and marking the position of the prefabricated bent cap after adjusting to a desired position; and
[0009] S3 formal assembly: hoisting the marked prefabricated bent cap and then performing grouting on a top of the column, after grouting, hoisting the bent cap to the top of the column, and performing correction according to the observation marks and the marking, so as to complete the formal assembly of the prefabricated bent cap and the column.
[0010] As a further solution of the present invention, the step S1 comprises the following steps:
[0011] S1.1 popping up central cross-ink lines at the end of the prefabricated bent cap and the side surface of column directly opposite to an erection point of a total station, and pasting observation marks on centers of the central cross-ink lines;
[0012] S1.2 using the total station to setting up a station for lofting out lines, and pasting observation marks on center points at the tops of the column on left and right sides; and
[0013] S1.3 measuring a side design position of the prefabricated bent cap relative to center points of left and right sides of the column through a measuring tape, and pasting an observation mark.
[0014] As a further solution of the present invention, the step S2 comprises the following steps:
[0015] S2.1 setting up an observation instrument on the periphery of the column;
[0016] S2.2 installing a column adjustment pad on a top end of the column; 2
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[0017] S2.3 installing a prefabricated bent cap support device on both sides of the column; LU502065
[0018] S2.4 hoisting the prefabricated bent cap to the upper end of the column, wherein an end of the prefabricated bent cap away from the column is supported by the prefabricated bent cap supporting device; and
[0019] S2.5 adjusting a height of the column adjustment pad and the position of the prefabricated bent cap to make the prefabricated bent cap to the desired position, and then marking a position where the prefabricated bent cap and the prefabricated bent cap support device are connected.
[0020] As a further solution of the present invention, the observation instrument controls the erection point for erecting the total station by lofting out an axis and a plane through inertial navigation RTK, and has a distance of 25 to 30 m from an edge of the column and accuracy of 0 to 10 mm.
[0021] As a further solution of the present invention, the column adjusting pad is installed on the top end of the column, elevations of four corners at the tops of the column on the left and right sides are measured by setting up an elevation station with the total station, the adjustment pad is used to adjust the elevations of the top of the column to be consistent with designed elevations of the top of the column. After the placement of the pads is completed, the total station is then used to check the elevations, and the tops of the columns on both sides reach the designed elevations and a relative elevation difference does not exceed 2 mm to ensure an effective connection of straight threaded sleeves in subsequent wet joint construction.
[0022] As a further solution of the present invention, the prefabricated bent cap support device adopts a steel support frame, positions of steel support strip foundation planes on both sides are lofted out through inertial navigation RTK, the total station is used to set up an elevation station for observing elevations of four corners of a strip foundation embedded base, so that the elevations of the four corners are consistent, an elevation of a top surface of a steel support is observed through the total station, and compared with a calculated design steel support fulcrum elevation to 3
BL-5383 calculate a height of a sand box, a settlement amount of 1 to 2 cm is reserved for the sand box LU502065 according to actual sand quality conditions on site, and then a double-I-beam steel 45 and a wedge- shaped steel plate are placed.
[0023] As a further solution of the present invention, in the step S2.5 when the prefabricated bent cap completely falls on the top surface of the column and on the wedge-shaped steel plate of the top surface of the steel support, a degree of verticality, a plane position and an elevation of the prefabricated bent cap are adjusted.
[0024] As a further solution of the present invention, position adjustment of the prefabricated bent cap, the column, and the prefabricated bent cap support device comprises the following steps:
[0025] S2.5.1, using a total station to check whether a vertical ink line of the prefabricated bent cap is on the same vertical line as a vertical ink line of the column, and if there is a deviation, then performing fine adjustment of the degree of verticality of the prefabricated bent cap;
[0026] S2.5.2, setting up two total stations in the transverse and longitudinal bridge directions of the prefabricated bent cap, respectively, to observe whether an observation mark of the column center and a center observation mark of the prefabricated bent cap are on the same horizontal plane, and if there is a deviation, then performing horizontal adjustment of the plane position of the prefabricated cover beam; and
[0027] S2.5.3, observing whether the vertical ink lines of the bent cap and the column coincide with each other. Finally, the elevation of the observation mark on the prefabricated bent cap is measured through the total station, and if a deviation exceeds 2 mm, then the prefabricated bent cap can be hoisted, and the elevation pad is adjusted until the elevation meets requirements.
[0028] As a further solution of the present invention, the step S3 comprises the following steps:
[0029] S3.1, lifting the prefabricated bent cap slowly without exceeding pre-embedded steel bars on the top of the column and then grouting, and starting the formal assembly after the grouting on the top of the column is completed;
[0030] S3.2 slowly dropping the prefabricated bent cap to a height of 2 to 3 cm away from a 4
BL-5383 grouting surface and using the total station to observe whether the observation marks on the LU502065 prefabricated bent cap and the column are on the same vertical line so as to confirm whether the verticality of the prefabricated bent cap meets requirements, and after the degree of verticality is correct, dropping the prefabricated bent cap to a design position and observing whether a contact surface with the grouting surface is full; and
[0031] S3.3 after the prefabricated bent cap is completely dropped, observing whether positioning marks on the prefabricated bent cap coincide with ends of the prefabricated bent cap support devices, and then using two total stations to observe observation marks on the bent cap and the column in transverse and longitudinal bridge directions, check a relative position of the observation marks and observe whether their center ink lines coincide with each other while checking the elevation of the top of the prefabricated bent cap, and after ensuring the correctness, loosening a hook to complete the formal assembly of the prefabricated bent cap.
[0032] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0033] 1. In the present invention, multiple observation signs are set on the prefabricated bent cap and the column, and pre-assembly and formal assembly of the prefabricated bent cap are performed at the same time. Moreover, during the assembly process, the degree of verticality, flatness, and elevation of the bent cap are pre-positioned and checked through the observation signs, thereby greatly improving the assembly accuracy.
[0034] 2. Inthe present invention, the steel support system is used as a temporary support system for the prefabricated bent cap, and at the same time the accuracy of assembly is fed back through positioning marks during the formal assembly process to improve the assembly quality. Detailed Description of the Preferred Embodiments
[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. Based on the embodiments
BL-5383 of the present invention, all other embodiments obtained by those of ordinary skill in the art LU502065 without creative efforts shall fall within the protection scope of the present invention.
[0036] In an embodiment of the present invention, an installation method for a prefabricated bent cap of a viaduct comprises the following steps:
[0037] S1 pasting of observation marks: pasting observation marks on an end of the prefabricated bent cap, a center point of a side surface of the prefabricated bent cap and a center point of a column. Step S1 comprises the following steps:
[0038] S1.1 popping up central cross-ink lines at the end of the prefabricated bent cap and the side surface of column directly opposite to an erection point of a total station, and pasting observation marks on centers of the central cross-ink lines for the axis check control when the bent cap is assembled to ensure that the column and the bent cap are on the same axis section;
[0039] S1.2 using the total station to setting up a station for lofting out lines, and pasting observation marks on center points at the tops of the column on left and right sides; and
[0040] S1.3 measuring a side design position of the prefabricated bent cap relative to center points of left and right sides of the column through a measuring tape, and pasting an observation mark;
[0041] wherein the observation marks on the center point at the top of the column and the side design positions of the center points of the column on the left and right sides are used to control the plane positions of the prefabricated bent cap, so as to ensure the spacing between two pre- embedded main reinforcements of the prefabricated bent cap, so that the straight thread sleeve connection meets the design requirements and the quality of subsequent wet joint construction is ensured.
[0042] S2 pre-assembly; hoisting the prefabricated bent cap to an upper end of the column, and then adjusting a position of the prefabricated bent cap on the column by observing the observation marks, and marking the position of the prefabricated bent cap after adjusting to a desired position. Step S2 comprises the following steps: 6
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[0043] S2.1 setting up an observation instrument on the periphery of the column, wherein the LU502065 observation instrument controls the erection point for erecting the total station by lofting out an axis and a plane through inertial navigation RTK, and has a distance of 25 to 30 m from an edge of the column and accuracy of 0 to 10 mm;
[0044] 2.2, installing a column adjustment pad on a top end of the column, wherein the column adjusting pad 1s installed on the top end of the column, elevations of four corners at the tops of the column on the left and right sides are measured by setting up an elevation station with the total station, the adjustment pad is used to adjust the elevations of the top of the column to be consistent with designed elevations of the top of the column, and after the placement of the pads is completed, the total station is then used to check the elevations, and the tops of the columns on both sides reach the designed elevations and a relative elevation difference does not exceed 2 mm to ensure an effective connection of straight threaded sleeves in subsequent wet joint construction;
[0045] S2.3 installing a prefabricated bent cap support device on both sides of the column, wherein the steel support system is selected as a temporary support system for the prefabricated bent cap, positions of steel support strip foundation planes on both sides are lofted out through inertial navigation RTK, the total station is used to set up an elevation station for observing elevations of four corners of a strip foundation embedded base, so that the elevations of the four corners are consistent to ensure that the degree of verticality of the overall steel support meets the requirements, a steel support is mounted to the steel purlin, an elevation of a top surface of the steel support is observed through the total station, and compared with a calculated design steel support fulcrum elevation to calculate a height of a sand box, a settlement amount of 1 to 2 cm is reserved for the sand box according to actual sand quality conditions on site, and then a double-I- beam steel 45 and a wedge-shaped steel plate are placed;
[0046] S2.4 hoisting the prefabricated bent cap to the upper end of the column, wherein an end of the prefabricated bent cap away from the column is supported by the prefabricated bent cap supporting device; and 7
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[0047] S2.5 adjusting a height of the column adjustment pad and the position of the LU502065 prefabricated bent cap to make the prefabricated bent cap to the desired position, and then marking a position where the prefabricated bent cap and the prefabricated bent cap support device are connected, wherein when the prefabricated bent cap completely falls on the top surface of the column and on the wedge-shaped steel plate of the top surface of the steel support, a degree of verticality, a plane position and an elevation of the prefabricated bent cap are adjusted, and the position adjustment of the prefabricated bent cap, the column, and the prefabricated bent cap support device comprises the following steps:
[0048] S2.5.1, using a total station to check whether a vertical ink line of the prefabricated bent cap is on the same vertical line as a vertical ink line of the column, and if there is a deviation, then performing fine adjustment of the degree of verticality of the prefabricated bent cap;
[0049] S2.5.2, setting up two total stations in the transverse and longitudinal bridge directions of the prefabricated bent cap, respectively, to observe whether an observation mark of the column center and a center observation mark of the prefabricated bent cap are on the same horizontal plane, and if there is a deviation, then performing horizontal adjustment of the plane position of the prefabricated cover beam; and
[0050] S2.5.3, observing whether the vertical ink lines of the bent cap and the column coincide with each other. Finally, the elevation of the observation mark on the prefabricated bent cap is measured through the total station, and if a deviation exceeds 2 mm, then the prefabricated bent cap can be hoisted, and the elevation pad is adjusted until the elevation meets requirements.
[0051] A bent cap positioning mark is drawn on a contact edge of the bent cap and the wedge- shaped steel plate. At the same time, a top cushion stone edge line of the bent cap is measured and lofted, and it is observed whether the cushion stone embedded reinforcement is located in the edge line and meets the error range of the cushion stone embedded reinforcement protection layer to check whether the prefabricated bent cap is offset. After the degree of verticality, plane position, and elevation of the prefabricated bent cap all meet the requirements, the pre-assembly of the 8
BL-5383 prefabricated bent cap is completed. LU502065
[0052] S3 formal assembly: hoisting the marked prefabricated bent cap, then performing grouting on a top of the column, after grouting, hoisting the bent cap to the top of the column, and performing correction according to the observation marks and the marking, so as to complete the formal assembly of the prefabricated bent cap and the column, wherein step S3 comprises the following steps:
[0053] S3.1 lifting the prefabricated bent cap slowly without exceeding pre-embedded steel bars on the top of the column and then grouting, and starting the formal assembly after the grouting on the top of the column is completed,
[0054] S3.2 slowly dropping the prefabricated bent cap to a height of 2 to 3 cm away from a grouting surface and using the total station to observe whether the observation marks on the prefabricated bent cap and the column are on the same vertical line so as to confirm whether the verticality of the prefabricated bent cap meets requirements, and after the degree of verticality is correct, dropping the prefabricated bent cap to a design position and observing whether a contact surface with the grouting surface is full; and
[0055] S3.3 after the prefabricated bent cap is completely dropped, observing whether positioning marks on the prefabricated bent cap coincides with the contact edge of the wedge- shaped steel plate, and then using two total stations to observe observation marks on the bent cap and the column in transverse and longitudinal bridge directions, check a relative position of the observation marks and observe whether their center ink lines coincide with each other while checking the elevation of the top of the prefabricated bent cap, and after ensuring the correctness, loosening a hook to complete the formal assembly of the prefabricated bent cap.
[0056] The assembling method of this embodiment greatly improves the accuracy of assembling the prefabricated bent cap of the assembled viaduct, ensures the quality of assembling the prefabricated bent cap, and achieves good social benefits. With the promotion and popularization of assembled viaduct construction technology, more prefabricated bent cap assembly will be 9
BL-5383 implemented in the on-site construction. Using the above-mentioned method for controlling the LU502065 accuracy of the prefabricated bent cap assembly, the prefabricated bent cap assembly can be completed more accurately, thereby improving the construction quality of the prefabricated bent cap.
[0057] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiment, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiment should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended that all changes falling within the meaning and scope of equivalent elements of the claims are included in the present invention.
[0058] In addition, it should be understood that although the description is described in terms of implementations, not every implementation includes only one independent technical solution. This narrative way of the description is for clarity only, and those skilled in the art should take the description as a whole. The technical solutions in the embodiments can also be appropriately combined to form other implementations that can be understood by those skilled in the art.
Claims (9)
1. An installation method for a prefabricated bent cap of a viaduct, characterized in that it comprises the following steps: S1 pasting of observation marks: pasting observation marks on an end of the prefabricated bent cap, a center point of a side surface of the prefabricated bent cap and a center point of a column, respectively; S2 pre-assembly; hoisting the prefabricated bent cap to an upper end of the column, then adjusting a position of the prefabricated bent cap on the column by observing the observation marks, and marking the position of the prefabricated bent cap after adjusting to a desired position; and S3 formal assembly: hoisting the marked prefabricated bent cap and then performing grouting on a top of the column, after grouting, hoisting the bent cap to the top of the column, and performing correction according to the observation marks and the marking, so as to complete the formal assembly of the prefabricated bent cap and the column.
2. The installation method for the prefabricated bent cap of the viaduct according to claim 1, characterized in that the step S1 comprises the following steps: S1.1 popping up central cross-ink lines at the end of the prefabricated bent cap and the side surface of the column directly opposite to an erection point of a total station, respectively, and pasting observation marks on centers of the central cross-ink lines; S1.2 using the total station to setting up a station for staking out lines, and pasting observation marks on center points at the tops of the column on left and right sides; and S1.3 measuring a side design position of the prefabricated bent cap relative to center points of left and right sides of the column through a measuring tape, and pasting an observation mark.
3. The installation method for the prefabricated bent cap of the viaduct according to claim 1, 11
BL-5383 characterized in that the step S2 comprises the following steps: LU502065 S2.1 setting up an observation instrument on the periphery of the column; S2.2 installing a column adjustment pad on a top end of the column; S2.3 installing a prefabricated bent cap support device on both sides of the column; S2.4 hoisting the prefabricated bent cap to the upper end of the column, wherein an end of the prefabricated bent cap away from the column is supported by the prefabricated bent cap support device; and S2.5 adjusting a height of the column adjustment pad and the position of the prefabricated bent cap to make the prefabricated bent cap to the desired position, and then marking a position where the prefabricated bent cap and the prefabricated bent cap support device are connected.
4. The installation method for the prefabricated bent cap of the viaduct according to claim 3, characterized in that the observation instrument controls the erection point for erecting the total station by lofting out an axis and a plane through inertial navigation RTK, and has a distance of to 30 m from an edge of the column and accuracy of 0 to 10 mm.
5. The installation method for the prefabricated bent cap of the viaduct according to claim 3, characterized in that the column adjusting pad is installed on the top end of the column, elevations of four corners at the tops of the column on the left and right sides are measured by setting up an elevation station with the total station, the adjustment pad is used to adjust the elevations of the top of the column to be consistent with designed elevations of the top of the column, and after the placement of the pads is completed, the total station is then used to check the elevations, and the tops of the columns on both sides reach the designed elevations and a relative elevation difference does not exceed 2 mm to ensure an effective connection of straight threaded sleeves in subsequent wet joint construction.
12
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6. The installation method for the prefabricated bent cap of the viaduct according to claim 3, LU502065 characterized in that the prefabricated bent cap support device adopts a steel support frame, wherein positions of steel support strip foundation planes on both sides are lofted out through inertial navigation RTK, wherein the total station is used to set up an elevation station for observing elevations of four corners of a strip foundation embedded base, so that the elevations of the four corners are consistent, an elevation of a top surface of a steel support 1s observed through the total station, and compared with a calculated design steel support fulcrum elevation to calculate a height of a sand box, a settlement amount of 1 to 2 cm is reserved for the sand box according to actual sand quality conditions on site, and then a double-I-beam steel 45 and a wedge-shaped steel plate are placed.
7. The installation method for the prefabricated bent cap of the viaduct according to claim 3, characterized in that in the step S2.5 when the prefabricated bent cap completely falls on the top surface of the column and on the wedge-shaped steel plate of the top surface of the steel support, a degree of verticality, a plane position and an elevation of the prefabricated bent cap are adjusted.
8. The installation method for the prefabricated bent cap of the viaduct according to claim 7, characterized in that position adjustment of the prefabricated bent cap, the column, and the prefabricated bent cap support device comprises the following steps: S2.5.1, using a total station to check whether a vertical ink line of the prefabricated bent cap is on the same vertical line as a vertical ink line of the column, and if there is a deviation, then performing fine adjustment of the degree of verticality of the prefabricated bent cap; S2.5.2, setting up two total stations in the transverse and longitudinal bridge directions of the prefabricated bent cap, respectively, to observe whether an observation mark of the column center and a center observation mark of the prefabricated bent cap are on the same horizontal plane, and if there is a deviation, then performing horizontal adjustment of the plane position of the 13
BL-5383 prefabricated cover beam; and LU502065 S2.5.3, observing whether the vertical ink lines of the bent cap and the column coincide with each other; finally, measuring the elevation of the observation mark on the prefabricated bent cap through the total station, and if a deviation exceeds 2 mm, then hoisting the prefabricated bent cap and adjusting the elevation pad until the elevation meets requirements.
9. The installation method for the prefabricated bent cap of the viaduct according to claim 1, characterized in that the step S3 comprises the following steps: S3.1 lifting the prefabricated bent cap slowly without exceeding pre-embedded steel bars on the top of the column and then grouting, and starting the formal assembly after the grouting on the top of the column is completed; S3.2 slowly dropping the prefabricated bent cap to a height of 2 to 3 cm away from a grouting surface and using the total station to observe whether the observation marks on the prefabricated bent cap and the column are on the same vertical line so as to confirm whether the verticality of the prefabricated bent cap meets requirements, and after the degree of verticality is correct, dropping the prefabricated bent cap to a design position and observing whether a contact surface with the grouting surface 1s full; and S3.3 after the prefabricated bent cap is completely dropped, observing whether positioning marks on the prefabricated bent cap coincide with ends of the prefabricated bent cap support devices, and then using two total stations to observe observation marks on the prefabricated bent cap and the column in transverse and longitudinal bridge directions, check a relative position of the observation marks and observe whether their center ink lines coincide with each other while checking the elevation of the top of the prefabricated bent cap, and after ensuring the correctness, loosening a hook to complete the formal assembly of the prefabricated bent cap.
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180167.2A CN112211106B (en) | 2020-10-29 | 2020-10-29 | Method for installing prefabricated capping beam of viaduct |
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| Publication Number | Publication Date |
|---|---|
| LU502065B1 true LU502065B1 (en) | 2022-11-02 |
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| LU502065A LU502065B1 (en) | 2020-10-29 | 2021-05-26 | Installation method for prefabricated bent cap of viaduct |
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| CN (1) | CN112211106B (en) |
| LU (1) | LU502065B1 (en) |
| WO (1) | WO2022088664A1 (en) |
| ZA (1) | ZA202200899B (en) |
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| CN112211106B (en) * | 2020-10-29 | 2023-01-10 | 中铁四局集团第一工程有限公司 | Method for installing prefabricated capping beam of viaduct |
| CN113005903A (en) * | 2021-02-09 | 2021-06-22 | 浙江交工集团股份有限公司 | Grouting sleeve connection type bent cap assembling construction process |
| CN113047637B (en) * | 2021-03-30 | 2022-06-03 | 上海公路桥梁（集团）有限公司 | Adjusting method for guiding and positioning prefabricated stand column |
| CN114440848A (en) * | 2022-01-19 | 2022-05-06 | 中建安装集团有限公司 | Large-volume capping beam hoisting measurement control method and device suitable for assembly type bridge construction |
| CN115126267B (en) * | 2022-07-25 | 2024-05-31 | 中建八局第三建设有限公司 | Optical positioning control system and method applied to pre-buried dowel bar alignment of concrete member |
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| CN107100078B (en) * | 2017-05-19 | 2019-01-08 | 中国五冶集团有限公司 | A kind of packaged type bridges Precast Pier Columns component installation method |
| CN108103936B (en) * | 2017-11-03 | 2019-06-25 | 上海公路桥梁（集团）有限公司 | The method that prefabricated bent cap is installed on column |
| CN107953970B (en) * | 2017-11-21 | 2019-07-16 | 中船黄埔文冲船舶有限公司 | A kind of installation method of the ship large size door frame of no pedestal |
| JP6425848B1 (en) * | 2018-05-15 | 2018-11-21 | 株式会社横河住金ブリッジ | Bridge replacement method |
| CN109214099B (en) * | 2018-09-20 | 2023-06-09 | 中建三局基础设施建设投资有限公司 | Arch rib steel pipe positioning and construction method |
| CN109610344A (en) * | 2018-12-31 | 2019-04-12 | 中铁六局集团太原铁路建设有限公司 | Bridge rotation body support construction method of installation |
| CN109881898B (en) * | 2019-02-21 | 2021-06-25 | 深圳市建筑设计研究总院有限公司 | Splicing and correcting method for high-rise connected structure |
| CN109944165A (en) * | 2019-04-24 | 2019-06-28 | 中铁二十四局集团有限公司 | A kind of temporary support method of the modularization regulating posture for the installation of prefabricated bent cap |
| CN110387825B (en) * | 2019-07-17 | 2021-10-19 | 中铁二十四局集团有限公司 | Construction method for quickly adjusting holes and postures of prefabricated stand columns |
| CN110777669A (en) * | 2019-11-15 | 2020-02-11 | 中铁北京工程局集团有限公司 | High-speed rail continuous beam short line matching prefabricated cantilever assembly line shape control method |
| CN110744269B (en) * | 2019-11-25 | 2021-07-06 | 上海振华重工(集团)股份有限公司南通分公司 | Manufacturing and mounting method of tire crane support leg flange |
| CN111622110B (en) * | 2020-04-24 | 2021-10-29 | 中交第二航务工程局有限公司 | Intelligent installation and construction method for prefabricated bent cap based on three-dimensional measurement lofting technology |
| CN112211106B (en) * | 2020-10-29 | 2023-01-10 | 中铁四局集团第一工程有限公司 | Method for installing prefabricated capping beam of viaduct |
-
2020
- 2020-10-29 CN CN202011180167.2A patent/CN112211106B/en active Active
-
2021
- 2021-05-26 WO PCT/CN2021/096138 patent/WO2022088664A1/en active Application Filing
- 2021-05-26 LU LU502065A patent/LU502065B1/en active IP Right Grant
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2022
- 2022-01-19 ZA ZA2022/00899A patent/ZA202200899B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN112211106B (en) | 2023-01-10 |
| ZA202200899B (en) | 2022-07-27 |
| CN112211106A (en) | 2021-01-12 |
| WO2022088664A1 (en) | 2022-05-05 |
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