CN112554075A - Integrated prefabricated pier stud installation adjustment cast-in-place device and construction method - Google Patents
Integrated prefabricated pier stud installation adjustment cast-in-place device and construction method Download PDFInfo
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- CN112554075A CN112554075A CN202011527848.1A CN202011527848A CN112554075A CN 112554075 A CN112554075 A CN 112554075A CN 202011527848 A CN202011527848 A CN 202011527848A CN 112554075 A CN112554075 A CN 112554075A
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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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- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The invention provides an integrated prefabricated pier stud installation and adjustment cast-in-place device and a construction method, the device comprises four groups of installation positioning mechanisms and template systems, the installation positioning mechanisms are arranged on four side surfaces of a prefabricated pier stud, each installation positioning mechanism comprises a base and an adjusting mechanism, each base comprises a base cross beam and a base longitudinal beam, each adjusting mechanism comprises a vertical support, an inclined support and a fixed cross beam, each fixed cross beam is arranged at a position close to the corresponding side surface of the prefabricated pier stud, each vertical support is vertically arranged between each fixed cross beam and each base longitudinal beam, each inclined support is arranged between each base cross beam and each fixed cross beam, each template system comprises a template, a sliding block, a movable cross beam and a movable adjusting hydraulic rod, each sliding block is reversely buckled on each base longitudinal beam, each movable cross beam is connected with each sliding block, each movable cross beam is perpendicular to each base longitudinal beam, each movable adjusting hydraulic rod is, the template is arranged on the movable cross beam. The invention has the advantages of safety and economy, construction convenience enhancement and construction efficiency improvement.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an integrated prefabricated pier stud installation adjustment cast-in-place device and a construction method.
Background
The prefabricated pier stud is prefabricated in an industrial mode, the construction time on site is short, occupation of site sites is reduced, the construction progress is accelerated, the construction efficiency is improved, and therefore the prefabricated pier stud is applied to urban bridge construction. When the prefabricated pier stud is installed on site, the adjustment of the plane position, the elevation and the like of the prefabricated pier stud mainly depends on the lifting adjustment of a crane, and the prefabricated pier stud is usually lifted by large-scale lifting equipment and installed at a designed preset position on the top surface of a bearing platform. In the process of mounting and positioning the prefabricated pier stud, the large-scale hoisting equipment works all the time until the prefabricated pier stud is mounted in place and accurately positioned, the adjustment is extremely inconvenient, the construction quality is difficult to guarantee, a crane is required to be always matched before the joint steel bar is connected and the pier stud is adjusted, the crane occupies long time, and the utilization rate is low.
In patent document CN202000251U, a connection method of a precast concrete column and a bearing platform is disclosed. The connection mode is as follows: a groove is reserved on a bearing platform, and then the precast concrete pier stud is directly embedded into the groove. The problem of installation and positioning of the precast concrete pier stud is not involved in the patent.
Patent document CN102808375A discloses a connection method for a portal steel frame and a bearing platform in a hinged manner. The invention mainly arranges the movable hinged support between the prefabricated steel column bottom plate and the bearing plate, and the movable hinged support has simple structure, convenient manufacture and stress resultant force, and can effectively transmit the internal force and deformation generated by the load. The problem of installation and positioning of the prefabricated steel pier column is also not involved in the patent.
Patent document No. CN104294753A discloses a connection method and construction method for a precast concrete hollow pier column and a bearing platform. The connection mode is as follows: firstly, reserving a trapezoidal groove with a large upper part and a small lower part on the top surface of the bearing platform, temporarily positioning the prefabricated concrete hollow pier stud through a bolt on an embedded part after the prefabricated concrete hollow pier stud is installed in place, and then tensioning the reserved vertical prestressed reinforcement and the horizontal prestressed reinforcement to integrate the prefabricated concrete hollow pier stud and the bearing platform.
Patent document CN105442433A discloses a connection method between a prefabricated hollow pier and a bearing platform. The connection mode is as follows: firstly, a cup opening capable of being embedded with the prefabricated hollow pier stud is preset on the top surface of the bearing platform, the prefabricated hollow pier stud is embedded into the cup opening, the lower portion of the prefabricated hollow pier stud is sleeved on a positioning pier on the top surface of the bearing platform, and meanwhile, a shearing force piece arranged on the surface of the prefabricated hollow pier body extends into the cup opening, so that the prefabricated hollow pier stud is connected with the bearing platform. In the connection mode, the prefabricated hollow pier column is positioned through the positioning pier arranged at the upper part of the bearing platform, and the inner diameter of the prefabricated hollow pier is slightly larger than the outer diameter of the positioning pier, so that the prefabricated hollow pier can be smoothly placed in the cup opening of the bearing platform. Although the positioning piers can play a role in positioning, it is difficult to accurately position the prefabricated hollow piers.
In conclusion, the perpendicularity of the prefabricated pier stud needs to be adjusted repeatedly in the prior art, and the accurate positioning cannot be achieved, so that the construction efficiency is influenced.
Disclosure of Invention
The invention provides an integrated prefabricated pier stud installation and adjustment cast-in-place device and a construction method, which can give consideration to both safety and economy, have great significance for prefabricated pier stud installation and construction, accelerate the construction speed and reduce the occupation of machinery.
The technical scheme of the invention is as follows: an integrated prefabricated pier stud installation and adjustment cast-in-place device comprises four groups of installation positioning mechanisms and template systems, wherein the four groups of installation positioning mechanisms are arranged on four side surfaces of a prefabricated pier stud, each installation positioning mechanism comprises a base and an adjusting mechanism, each base comprises a base cross beam and a base longitudinal beam, the base longitudinal beams are arranged at two ends of each side surface of the prefabricated pier stud and are perpendicular to the side surfaces, the base cross beams are arranged on the side surfaces, far away from the prefabricated pier stud, of the tail end of each base longitudinal beam and are perpendicular to the base longitudinal beams, each adjusting mechanism comprises vertical braces, inclined braces and fixed cross beams, the fixed cross beams are arranged at positions close to the side surfaces of the prefabricated pier studs, the vertical braces are vertically arranged between the fixed cross beams and the base longitudinal beams, the inclined braces are arranged between the base cross beams and the fixed cross beams, each template system comprises a template, a sliding block, a movable cross beam, the movable cross beam is fixedly connected with the sliding block and perpendicular to the base longitudinal beam, one end of the movable adjusting hydraulic rod is connected with the movable cross beam, the other end of the movable adjusting hydraulic rod is connected with the base longitudinal beam, the template is arranged on the movable cross beam, and the template is located on the side face of the prefabricated pier column and is provided with a gap with the prefabricated pier column.
The scheme is further that the number of the fixed cross beams, the base longitudinal beams, the base cross beams and the vertical braces of each group of the installation positioning mechanisms is 2, and the inclined braces are arranged in two rows.
The scheme is further, sets up every row on prefabricated pier stud long side the bracing sets up 3 at least lines, sets up every row on prefabricated pier stud short side the bracing sets up 2 at least lines.
The scheme is further, set up every row on prefabricated pier stud long edge side the bracing sets up 4 rows.
The scheme is further, fixed cross beam is located the below along vertical direction parallel arrangement evenly be equipped with a plurality of mounting holes on the fixed cross beam, prefabricated pier stud relevant position is equipped with the preformed hole, wear to be equipped with the fixed stick on mounting hole and the preformed hole, be connected whole device and prefabricated pier stud as whole, improvement stability and reliability.
The scheme is further that two ends of the vertical support are respectively connected with the base longitudinal beam and the fixed cross beam through a movable hinge II, and the inclined support is connected with the base cross beam and the fixed cross beam through a movable hinge II.
And the scheme is further that two ends of the movable adjusting hydraulic rod are respectively connected with the movable cross beam and the base longitudinal beam through a movable hinge III.
The scheme is furtherly, erect and prop and bracing all including setting up at the movable rod at both ends, setting extension rod in the centre, the flexible hydraulic stem of setting on the movable rod, the both ends of flexible hydraulic stem are connected with the movable rod at both ends respectively through activity hinge I.
The scheme is further, the cross section size of movable rod is greater than the cross section size of extension rod, the extension rod cover is established in the movable rod.
The scheme is further, the inside of movable rod is equipped with the draw-in groove, and the card is established the position of fixed extension rod.
The scheme is further, activity hinge I, activity hinge II, activity hinge III all include the splint that set up on both sides, set up rotor plate, the bolt of connecting rotor plate and splint in the middle of setting, the rotor plate other end is connected with erectting to prop, bracing, removal regulation hydraulic stem, flexible hydraulic stem, splint are fixed on base longeron, base crossbeam, fixed cross beam, movable rod.
On the other hand, the invention provides an integrated prefabricated pier stud installation and adjustment cast-in-place construction method, which comprises the following steps:
1. respectively arranging the four groups of mounting and positioning mechanisms and the template system on the side surfaces of the prefabricated pier stud according to the mounting position of the prefabricated pier stud, and reserving gaps;
2. hoisting the prefabricated pier stud down to a preset position by using a crane, penetrating a fixing rod into an installation hole of a fixed cross beam and a reserved hole of the prefabricated pier stud, adjusting the elevation and the plane position of the prefabricated pier stud by using a telescopic hydraulic rod to adjust an inclined strut and a vertical strut when a temporary support at the bottom of the prefabricated pier stud falls on a bearing platform, fixing the telescopic hydraulic rod, fixing the inclined strut and the vertical strut after meeting the requirements, loosening the prefabricated pier stud by using the crane, and performing construction such as connection of reinforcing steel bars by using workers;
3. and after the connection of the steel bars is finished, operating the movable adjusting hydraulic rod of the template system to move the template to a preset position, fixedly moving the movable adjusting hydraulic rod to pour the cast-in-place section concrete, and after the cast-in-place section concrete reaches the design strength, contracting all the movable adjusting hydraulic rods and the telescopic hydraulic rods to separate the whole device from the prefabricated pier stud, thus finishing the installation of the prefabricated pier stud.
The invention has the advantages that: the invention can give consideration to safety and economy, has great significance for the installation and construction of the prefabricated pier stud, accelerates the construction speed and reduces the occupation of machinery; the movable connection can be disassembled and contracted, so that the transportation and the installation of each part are facilitated, the construction convenience is further enhanced, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of an integrated prefabricated pier stud installation and adjustment cast-in-place device according to the present invention;
FIG. 2 is a front view of the cast-in-place device for mounting and adjusting the integrated prefabricated pier stud according to the present invention;
FIG. 3 is a left side view of the cast-in-place device for mounting and adjusting the integrated prefabricated pier stud according to the present invention;
FIG. 4 is an enlarged schematic view of the continuous small-stroke lowering device of the bottom basket of the hanging basket in FIG. 2;
FIG. 5 is a schematic structural view of a sliding block of the continuous small-stroke lowering device for the bottom basket of the hanging basket;
FIG. 6 is a schematic structural view of an inclined strut and a vertical strut of the continuous small-stroke lowering device for the bottom basket of the hanging basket;
FIG. 7 is a schematic view of a movable hinge structure of a continuous small-stroke lowering device for a bottom basket of a hanging basket of the present invention;
wherein: 1. prefabricated pier stud, 2, installation positioning mechanism, 3, template system, 4, fixed rod, 5, fixed cross beam, 6, activity hinge I, 7, flexible hydraulic stem, 8, bracing, 9, activity hinge II, 10, base longeron, 11, base crossbeam, 12, template, 13, slider, 14, activity crossbeam, 15, removal regulation hydraulic stem, 16, activity hinge III, 17, erects to prop, 18, movable rod, 19, extension rod, 20, splint, 21, bolt, 22, rotor plate.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The specific implementation mode of the invention is as follows: as shown in fig. 1-7, an integrated prefabricated pier stud installation and adjustment cast-in-place device comprises four sets of installation positioning mechanisms 2 and template systems 3 arranged on four sides of a prefabricated pier stud 1, wherein each installation positioning mechanism 2 comprises a base and an adjusting mechanism, each base comprises a base cross beam 11 and a base longitudinal beam 10, each base longitudinal beam 10 is arranged at two ends of each side of the prefabricated pier stud 1 and is perpendicular to the side, each base cross beam 11 is arranged on the side, far away from the prefabricated pier stud 1, of the tail end of each base longitudinal beam 10 and is perpendicular to the base longitudinal beams 10, each adjusting mechanism comprises a vertical support 17, an inclined support 8 and a fixed cross beam 5, each fixed cross beam 5 is arranged at the position close to the side of the prefabricated pier stud 1, each vertical support 17 is vertically arranged between each fixed cross beam 5 and each base longitudinal beam 10, each inclined support 8 is arranged between each base cross beam 11 and each fixed cross beam 5, each template system 3 comprises a template, The movable pier column structure comprises a sliding block 13, a movable cross beam 14 and a movable adjusting hydraulic rod 15, wherein the sliding block 13 is formed by bending a steel plate towards two ends and is reversely buckled on a base longitudinal beam 10, the movable cross beam 14 is fixedly connected with the sliding block 13, the movable cross beam 14 is perpendicular to the base longitudinal beam 10, one end of the movable adjusting hydraulic rod 15 is connected with the movable cross beam 14, the other end of the movable adjusting hydraulic rod is connected with the base longitudinal beam 10, a formwork 12 is arranged on the movable cross beam 14, the movable cross beam 14 is driven by the sliding block 13 to drive the formwork 12 to move, the formwork 12 is located on the side face of a prefabricated pier column and is provided with a gap, the gap is a cast-in-place part, when steel bars are connected, the formwork 12 slides outwards to provide an operation space for workers to operate, after adjustment is carried out.
Furthermore, the number of the fixed cross beams 5, the base longitudinal beams 10, the base cross beams 11 and the vertical braces 17 of each group of the installation positioning mechanisms 2 is 2, and two rows of the inclined braces 8 are arranged.
Furthermore, at least 3 rows of the inclined struts 8 are arranged on each row of the long side of the prefabricated pier stud 1, at least 2 rows of the inclined struts 8 are arranged on each row of the short side of the prefabricated pier stud 1, and when the cross section of the prefabricated pier stud 1 is square, the number of the inclined struts 8 on each side surface is the same as required, and the short side and the long side do not need to be distinguished.
Furthermore, 4 rows of the inclined struts 8 are arranged on each row of the long side of the prefabricated pier stud 1.
Furthermore, the fixed cross beams 5 are arranged in parallel along the vertical direction, a plurality of mounting holes are uniformly formed in the fixed cross beams 5 positioned below, preformed holes are formed in corresponding positions of the prefabricated pier stud 1, fixing rods 4 penetrate through the mounting holes and the preformed holes, the whole device and the prefabricated pier stud 1 are connected into a whole, and stability and reliability are improved.
Furthermore, two ends of the vertical support 17 are respectively connected with the base longitudinal beam 10 and the fixed cross beam 5 through movable hinges II 9, and two ends of the inclined support 8 are respectively connected with the base cross beam 11 and the fixed cross beam 5 through movable hinges II 9.
Furthermore, two ends of the movable adjusting hydraulic rod 15 are respectively connected with the movable cross beam 14 and the base longitudinal beam 10 through a movable hinge III 16.
Furthermore, the vertical support 17 and the diagonal support 8 both comprise movable rods 18 arranged at both ends, an extension rod 19 arranged in the middle, and a telescopic hydraulic rod 7 arranged on the movable rod 18, and both ends of the telescopic hydraulic rod 7 are respectively connected with the movable rods 18 at both ends through movable hinges I6.
Further, the cross-sectional dimension of the movable rod 18 is larger than that of the extension rod 19, and the extension rod 19 is sleeved in the movable rod 18.
Furthermore, the movable rod 18 is provided with a slot therein for fixing the position of the extension rod 19.
The movable hinges I6, the movable hinges II 9 and the movable hinges III 16 respectively comprise clamping plates 20 arranged at two sides, a rotating plate 22 arranged in the middle and a bolt 21 for connecting the rotating plate 22 and the clamping plates 20, the other ends of the rotating plate 22 are connected with vertical braces 17, inclined braces 8, a movable adjusting hydraulic rod 15 and a telescopic hydraulic rod 7, the clamping plates 20 are fixed on a base longitudinal beam 10, a base cross beam 11, a fixed cross beam 5, a movable cross beam 14 and a movable rod 18 to drive the components to rotate, the inclined braces 8 and the vertical braces 17 can be folded after the movable hinges are disassembled, and transportation is facilitated.
On the other hand, the invention provides an integrated prefabricated pier stud installation and adjustment cast-in-place construction method, which comprises the following steps:
1. the four groups of mounting and positioning mechanisms 2 and the template system 3 are respectively arranged on the side surfaces of the prefabricated pier stud 1 according to the mounting position of the prefabricated pier stud 1, and gaps are reserved to be used as construction gaps;
2. hoisting the prefabricated pier stud 1 by using a crane to fall on a preset position, penetrating the fixing rod 4 into the mounting hole of the fixed cross beam 5 and the reserved hole of the prefabricated pier stud 1, adjusting the elevation and the plane position of the prefabricated pier stud 1 by using the telescopic hydraulic rod 7 to adjust the inclined strut 8 and the vertical strut 17 when the temporary support at the bottom of the prefabricated pier stud 1 falls on a bearing platform, fixing the telescopic hydraulic rod 7, fixing the inclined strut 8 and the vertical strut 17 after meeting the requirements, loosening the prefabricated pier stud 1 by using the crane, and performing construction such as connection of reinforcing steel bars by using workers;
3. after the steel bars are connected, the movable adjusting hydraulic rod 15 of the template system 3 is operated to move the template 12 to a preset position, the movable adjusting hydraulic rod 15 is fixed to pour the cast-in-place section concrete, after the cast-in-place section concrete reaches the designed strength, all the movable adjusting hydraulic rods 15 and the telescopic hydraulic rods 7 are contracted, the whole device is separated from the prefabricated pier stud 1, and the prefabricated pier stud 1 is installed.
While the preferred embodiments of the invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. An integrated prefabricated pier stud installation and adjustment cast-in-place device is characterized by comprising four groups of installation positioning mechanisms and template systems, wherein the four groups of installation positioning mechanisms are arranged on four side surfaces of a prefabricated pier stud, each installation positioning mechanism comprises a base and an adjusting mechanism, each base comprises a base cross beam and a base longitudinal beam, each base longitudinal beam is arranged at two ends of each side surface of the prefabricated pier stud and is vertical to the side surface, each base cross beam is arranged on the side surface, far away from the prefabricated pier stud, of the tail end of each base longitudinal beam and is vertical to the base longitudinal beams, each adjusting mechanism comprises a vertical support, an inclined support and a fixed cross beam, each fixed cross beam is arranged at the position close to the side surface of the prefabricated pier stud, each vertical support is vertically arranged between each fixed cross beam and each base longitudinal beam, each inclined support is arranged between each base cross beam and each fixed cross beam, each template system comprises a template, a sliding block, a, the movable cross beam is fixedly connected with the sliding block and perpendicular to the base longitudinal beam, one end of the movable adjusting hydraulic rod is connected with the movable cross beam, the other end of the movable adjusting hydraulic rod is connected with the base longitudinal beam, the template is arranged on the movable cross beam, and the template is located on the side face of the prefabricated pier column and is provided with a gap with the prefabricated pier column.
2. The cast-in-place device for installing and adjusting the prefabricated pier stud of claim 1, wherein the number of the fixed cross beam, the base longitudinal beam, the base cross beam and the vertical braces of each set of the installation positioning mechanism is 2, the inclined braces are arranged in two rows, at least 3 rows of the inclined braces are arranged on the long side of the prefabricated pier stud, and at least 2 rows of the inclined braces are arranged on the short side of the prefabricated pier stud.
3. The cast-in-place device for installing and adjusting the prefabricated integral pier stud according to claim 2, wherein 4 rows of the inclined struts are arranged on each row of the long side of the prefabricated pier stud.
4. The cast-in-place device of prefabricated pier stud installation adjustment of integral type of claim 3, characterized in that, fixed beam is along vertical direction parallel arrangement, is located the below evenly be equipped with a plurality of mounting holes on the fixed beam, prefabricated pier stud relevant position is equipped with the preformed hole, wear to be equipped with fixed stick on mounting hole and the preformed hole, be connected whole with prefabricated pier stud with whole device, improvement stability and reliability.
5. The cast-in-place device for mounting and adjusting the prefabricated integral pier stud according to claim 4, wherein two ends of the vertical support are respectively connected with the base longitudinal beam and the fixed cross beam through a movable hinge II, and the inclined support is connected with the base cross beam and the fixed cross beam through a movable hinge II.
6. The cast-in-place device of prefabricated pier stud installation adjustment of integral type of claim 5, characterized in that, the both ends of removal regulation hydraulic stem are connected with movable crossbeam, base longeron respectively through activity hinge III.
The scheme is furtherly, erect and prop and bracing all including setting up at the movable rod at both ends, setting extension rod in the centre, the flexible hydraulic stem of setting on the movable rod, the both ends of flexible hydraulic stem are connected with the movable rod at both ends respectively through activity hinge I.
7. The cast-in-place device of claim 6, wherein the cross-sectional dimension of the movable rod is larger than the cross-sectional dimension of the extension rod, and the extension rod is sleeved in the movable rod.
8. The cast-in-place device of prefabricated pier stud of integral type installation adjustment of claim 7, characterized in that, the inside of activity pole is equipped with the draw-in groove, the position of setting the fixed extension rod in the card.
9. The cast-in-place device for mounting and adjusting the prefabricated integral pier stud according to claim 6, 7 or 8, wherein the movable hinges I, II and III respectively comprise clamping plates arranged at two sides, a rotating plate arranged in the middle and a bolt for connecting the rotating plate and the clamping plates, the other end of the rotating plate is connected with a vertical support, an inclined support, a movable adjusting hydraulic rod and a telescopic hydraulic rod, and the clamping plates are fixed on a base longitudinal beam, a base cross beam, a fixed cross beam, a movable cross beam and a movable rod.
10. An integrated prefabricated pier column installation and adjustment cast-in-place construction method using the device of claim 9, comprising the steps of:
1. respectively arranging the four groups of mounting and positioning mechanisms and the template system on the side surfaces of the prefabricated pier stud according to the mounting position of the prefabricated pier stud, and reserving gaps;
2. hoisting the prefabricated pier stud down to a preset position by using a crane, penetrating a fixing rod into an installation hole of a fixed cross beam and a reserved hole of the prefabricated pier stud, adjusting the elevation and the plane position of the prefabricated pier stud by using a telescopic hydraulic rod to adjust an inclined strut and a vertical strut when a temporary support at the bottom of the prefabricated pier stud falls on a bearing platform, fixing the telescopic hydraulic rod, fixing the inclined strut and the vertical strut after meeting the requirements, loosening the prefabricated pier stud by using the crane, and performing construction such as connection of reinforcing steel bars by using workers;
3. and after the connection of the steel bars is finished, operating the movable adjusting hydraulic rod of the template system to move the template to a preset position, fixedly moving the movable adjusting hydraulic rod to pour the cast-in-place section concrete, and after the cast-in-place section concrete reaches the design strength, contracting all the movable adjusting hydraulic rods and the telescopic hydraulic rods to separate the whole device from the prefabricated pier stud, thus finishing the installation of the prefabricated pier stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527848.1A CN112554075A (en) | 2020-12-22 | 2020-12-22 | Integrated prefabricated pier stud installation adjustment cast-in-place device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527848.1A CN112554075A (en) | 2020-12-22 | 2020-12-22 | Integrated prefabricated pier stud installation adjustment cast-in-place device and construction method |
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| CN112554075A true CN112554075A (en) | 2021-03-26 |
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| CN202011527848.1A Pending CN112554075A (en) | 2020-12-22 | 2020-12-22 | Integrated prefabricated pier stud installation adjustment cast-in-place device and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117403903A (en) * | 2023-11-03 | 2024-01-16 | 山东联强建筑工业科技有限公司 | Construction method of prefabricated hollow column |
-
2020
- 2020-12-22 CN CN202011527848.1A patent/CN112554075A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117403903A (en) * | 2023-11-03 | 2024-01-16 | 山东联强建筑工业科技有限公司 | Construction method of prefabricated hollow column |
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