CN112049023A - Prefabricated T-beam end template and anchor sealing construction process - Google Patents
Prefabricated T-beam end template and anchor sealing construction process Download PDFInfo
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- CN112049023A CN112049023A CN202011036017.4A CN202011036017A CN112049023A CN 112049023 A CN112049023 A CN 112049023A CN 202011036017 A CN202011036017 A CN 202011036017A CN 112049023 A CN112049023 A CN 112049023A
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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Abstract
The invention belongs to the technical field of T-beam pouring construction, and discloses a prefabricated T-beam end template and an anchor sealing construction process, wherein the prefabricated T-beam end template comprises a first template and a second template, the first template is an integrated shell structure with an opening, the opening of the first template faces to one side away from a T-beam body, and two ends of the opening are fixed with side molds; the first template is divided into an arc section, an anchor recess straight-line section, an anchor recess widening section, an anchor recess horseshoe section and a flattening section from top to bottom along the first longitudinal axis direction of the first template, wherein anchor holes are formed in the anchor recess straight-line section and the anchor recess horseshoe section; the second template comprises an anchor sealing template which is a flat plate, and the anchor sealing template can cover the end part of the T beam formed after the first template is poured. According to the invention, the end with the anchor recess space is obtained by pouring the end of the T beam body through the first template with the shell structure, and the end is covered through the second template, so that the vibration pouring is realized in the anchor sealing construction, and the problems that the end concrete is easy to damage, crack and poor in flatness are solved.
Description
Technical Field
The invention relates to the technical field of T-beam pouring construction, in particular to a prefabricated T-beam end template and anchor sealing template construction process.
Background
In the construction of modern highway assembled bridge, the T roof beam is used commonly in superstructure form, and anchor recess stretch-draw position has only been reserved to traditional T roof beam end template, designs for circular or square tongue, and the shortcoming of this kind of end template is: the concrete at the end part is damaged, cracked and poor in flatness, and the concrete cannot be vibrated when the anchor is sealed.
Disclosure of Invention
The invention aims to provide a prefabricated T-beam end formwork, which aims to solve the problems that the traditional end formwork is single in structure, end concrete is easy to damage and crack and poor in flatness.
The second purpose of the invention is to provide an anchor sealing template construction process, so as to solve the problem that concrete cannot be vibrated during anchor sealing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a prefabricated T-beam end form comprising:
the first template is of an integral shell structure with an opening, the opening of the first template faces to one side away from the T-shaped beam body, and two ends of the opening are fixed with the side die;
the first template is divided into an arc section, an anchor recess straight-line section, an anchor recess widening section, an anchor recess horseshoe section and a flattening section from top to bottom along a first longitudinal axis direction of the first template, and the anchor recess straight-line section and the anchor recess horseshoe section are provided with anchor holes;
the second template comprises an anchor sealing template which is a flat plate, and the anchor sealing template can cover the end part of the T-shaped beam body formed after the first template is poured.
Optionally, a flanging is arranged at the opening of the first template, the flanging is arranged in a direction away from the first longitudinal axis, and a folding edge is arranged at the tail end of the flanging in a direction towards the opening.
Optionally, a plurality of reinforcing ribs are arranged on the first formwork, and the plurality of reinforcing ribs are arranged at intervals along the first longitudinal direction of the first formwork.
Optionally, the long axis direction of each of the plurality of reinforcing ribs is perpendicular to the first longitudinal axis direction, and the reinforcing ribs are abutted and welded to the inner side wall of the first formwork.
Optionally, a hoisting point hole is arranged at the top of the circular arc segment.
Optionally, the second template further comprises at least two longitudinal ribs, and the longitudinal ribs are parallel to the second longitudinal axis direction of the anchor sealing template and are arranged on the anchor sealing template at intervals.
Optionally, the second formwork further includes a plurality of cross ribs, the plurality of cross ribs are arranged at intervals along a second longitudinal axis direction of the anchor sealing formwork, and the plurality of cross ribs are fixed to at least two longitudinal ribs.
Optionally, the second formwork further comprises a connecting piece, one end of the connecting piece is connected with the end part of the transverse rib, and the other end of the connecting piece is connected with the T-shaped beam body.
Optionally, the connector is a turnbuckle.
According to the prefabricated T-beam end template provided by the invention, the end structure with the anchor recess space can be obtained by pouring the end of the T-beam body through the first template with the shell structure, so that the tensioning construction is convenient, the end is covered by the second template after tensioning and grouting and the anchor sealing concrete is poured, and the vibrating pouring can be carried out in the anchor sealing construction due to the end structure with the anchor recess space, so that the pouring quality of the concrete is greatly improved, and the problems that the end concrete is easy to damage, crack and poor in flatness are solved.
The invention also provides an anchor sealing construction process for the prefabricated T-beam end template, which comprises the following steps:
s1, mounting the first template at the end part of the T-shaped beam body, enabling the opening of the first template to face to the side away from the T-shaped beam body, fixing the first template and the side template, and pouring concrete to complete the construction of the T-shaped beam body;
s2, removing the first template, and performing curing, beam penetrating, tensioning, grouting and anchor head plugging on the T-shaped beam body;
s3, mounting the anchor sealing template to cover the end part of the T-shaped beam body and fix the anchor sealing template with the T-shaped beam body, and pouring and vibrating anchor sealing concrete;
and S4, taking down the anchor sealing template to finish anchor sealing construction.
According to the anchor sealing construction process for the prefabricated T-beam end template, the first template is installed to pour the T-beam end firstly through step-by-step pouring construction, so that an anchor recess space and a vibration space for anchor sealing pouring are formed conveniently, a second template is adopted to cover the anchor recess space and vibrate poured concrete during anchor sealing, and therefore the pouring quality of the concrete is greatly improved, and the anchor sealing template is a flat plate, so that the problems that the T-beam end concrete is easy to damage, crack and poor in flatness are solved.
Drawings
Fig. 1 is a schematic structural view of a first formwork facade of a prefabricated T-beam end formwork according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a first form of a prefabricated T-beam end form taken along the direction A-A of a first longitudinal axis according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 1;
FIG. 4 is a schematic cross-sectional view C-C of FIG. 1;
FIG. 5 is a schematic cross-sectional view taken along line D-D of FIG. 1;
FIG. 6 is a schematic diagram of a second formwork elevation structure of a prefabricated T-beam end formwork according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an anchor sealing template in a second template of a prefabricated T-beam end template according to an embodiment of the present invention;
FIG. 8 is a side view of a second form of a prefabricated T-beam end form according to an embodiment of the present invention;
fig. 9 is a top view of a second form of a prefabricated T-beam end form according to an embodiment of the present invention.
In the figure:
100, T beam body; 200, a diaphragm plate; 1. a first template; a circular arc segment;
12. a straight line segment of the anchor recess; 13, an anchor recess widening section; anchor recess horseshoe section; leveling section;
16. an anchor hole; 17, flanging; folding the edges; a reinforcing rib plate;
2. a second template; sealing the anchor template; longitudinal ribs; a cross rib;
24. a connecting member; and 3, hoisting point holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The invention provides a prefabricated T-beam end template, which comprises a first template 1 and a second template 2, wherein the first template 1 is an integral shell structure with an opening, the opening of the first template 1 faces to one side departing from a T-beam body 100, and two ends of the opening are fixed with the side templates; the first template 1 is divided into five sections from top to bottom along the first longitudinal axis direction, wherein the five sections are respectively a circular arc section 11, an anchor recess straight-line section 12, an anchor recess widening section 13, an anchor recess horseshoe section 14 and a leveling section 15, and the anchor recess straight-line section 12 and the anchor recess horseshoe section 14 are provided with anchor holes 16; the second template 2 comprises an anchor sealing template 21, the anchor sealing template 21 is a flat plate, and the anchor sealing template 21 can cover the end part of the T-shaped beam body 100 formed after the first template 1 is poured.
According to the prefabricated T-beam end template provided by the invention, the end structure with the anchor recess space can be obtained by pouring the end of the T-beam body 100 through the first template 1 with the shell structure, so that tensioning construction is facilitated, the end is covered by the second template 2 after tensioning, grouting and anchor head plugging, and anchor sealing concrete is poured. It should be explained that the opening of the shell structure of the first form 1 faces the outer side of the end of the T-beam 100, so that an anchor recess space is formed at the end of the T-beam 100 after the T-beam 100 is poured, it can be understood that the depth of the shell structure is not less than the height of the steel bars in the anchor recess, so that the anchor sealing form 21 can completely cover the anchor recess space, and a vibration space for pouring concrete is formed between the anchor sealing form 21 and the anchor recess space when the anchor sealing form 21 is installed, thereby facilitating the vibration construction during the anchor sealing pouring and improving the pouring quality of the concrete. It should be explained that, as shown in fig. 2 to fig. 5, the circular arc section 11 is located at the top end of the first template 1, the cross section is a semi-circular arc structure, and the anchor recess straight line section 12 and the circular arc section 11 have the same height, but the cross section is an isosceles trapezoid structure. The anchor recess widening section 13 is inclined at a certain angle from the bottom end of the anchor recess straight-line section 12 to a direction away from the first longitudinal axis, so that the width of the anchor recess widening section 13 is greater than that of the anchor recess straight-line section 12. The anchor recess horse-shoe section 14 is also a straight line segment of a width equal to the width of the distal end of the anchor recess widening section 13 so that the first template 1 is formed integrally as a horse-shoe shape, the width of the anchor recess horse-shoe section 14 in a direction perpendicular to the first longitudinal axis and the length in the direction of the first longitudinal axis being such as to meet the machining size requirements of the anchor hole 16. The leveling section 15 is a flat plate section coplanar with the plane of the flange 17, so that the leveling section 15 is lower in height, a plane concrete surface is formed after pouring, and the rest part of the leveling section is a concave surface with an anchor recess space.
As shown in fig. 3-5, a flange 17 is provided at the opening of the first template 1, the flange 17 is disposed in a direction away from the first longitudinal axis, and a flange 18 is provided at the end of the flange 17 in the direction of the opening. As shown in fig. 3-5, the first formwork 1 is formed by bending a steel plate corresponding to the cross sections of the arc section 11, the anchor recess straight-line section 12 and the anchor recess widening section 13 of the first formwork 1, wherein the flange 17 is formed by bending the opening of the shell structure towards the outer sides of two sides, and the distance between the flange 17 and the top end of the shell structure is just the depth of the anchor recess after pouring, which is beneficial to installing and positioning the first formwork 1. The folded edge 18 is an extension in the depth direction of the shell structure, in the embodiment, the folded edge 8 is perpendicular to the folded edge 17, and the folded edge 18 is beneficial to positioning and mounting of the first formwork 1 and the side formwork and is convenient for stripping construction after pouring.
Preferably, the first form 1 is provided with a plurality of reinforcing ribs 19, and the plurality of reinforcing ribs 19 are provided at intervals in the first longitudinal direction of the first form 1. As shown in fig. 1, a plurality of reinforcing ribs 19 are arranged at intervals in the vertical direction, wherein at least one reinforcing rib 19 is arranged on each of the circular arc section 11, the anchor recess straight section 12, the anchor recess horse-shoe section 14 and the leveling section 15, and is used for reinforcing the strength of the first formwork 1 and preventing the first formwork from deforming.
Alternatively, the long axis directions of the plurality of reinforcing ribs 19 are perpendicular to the first longitudinal direction, and the reinforcing ribs 19 are abutted and welded to the inner side wall of the first form 1. The plurality of reinforcing rib plates 19 are arranged in parallel and attached to the inner side wall of the first formwork 1, as shown in fig. 1 and 2, the reinforcing rib plates 19 are special-shaped pieces, the shapes of the reinforcing rib plates are matched with the shapes of the inner side wall of the first formwork 1, the reinforcing rib plates are attached to the inner side wall of the shell structure of the first formwork 1 and welded, the strength of the shell structure can be improved, and the first formwork 1 is prevented from deforming in the concrete pouring process and the formwork pouring process. In specific implementation, the reinforcing ribs 19 can be densely arranged according to the increase of the lateral pressure of the concrete. In some embodiments, the reinforcing floor 19 is a bent plate that is flat against the inside wall of the shell structure and welded. Of course, the reinforcement rib 19 may be a bent bar or a welded member formed by combining a plurality of bars in a case where the strength requirement is satisfied.
Optionally, the top of the circular arc segment 11 is provided with a hoisting point hole 3. The lifting lug is arranged at the top of the arc section 11 of the lifting lug hole 3, and a through hole is processed on the lifting lug. The hoisting point holes 3 are used for hoisting the whole first formwork 1 to the installation position by adopting hoisting equipment during construction, and are used for hoisting the whole first formwork 1 to assist in formwork lifting construction after construction is finished.
Optionally, the second form 2 further includes at least two longitudinal ribs 22, and the longitudinal ribs 22 are parallel to the second longitudinal axis of the anchor sealing form 21 and are spaced apart from each other on the anchor sealing form 21. In the embodiment shown in fig. 6, two longitudinal ribs 22 are provided, which are arranged near the edge of the anchor sealing template 21 on both sides parallel to the second longitudinal axis, for pressing against the surface of the anchor sealing template 21 to overcome the lateral pressure during the concrete pouring process, and to improve the strength of the anchor sealing template 21. Preferably, the longitudinal rib 22 is welded on the surface of the anchor sealing template 21, the length of the longitudinal rib 22 is the same as that of the anchor sealing template 21, and the two ends are aligned when the longitudinal rib 22 and the anchor sealing template are welded and fixed.
Further, the second formwork 2 further includes a plurality of transverse ribs 23, and the plurality of transverse ribs 23 are arranged at intervals along the second longitudinal axis direction of the anchor sealing formwork 21. In the embodiment shown in fig. 6, three transverse ribs 23 are arranged at intervals along the second longitudinal axis, the transverse ribs 23 are arranged horizontally, that is, the long axis is perpendicular to the second longitudinal axis, the transverse ribs 23 are welded on the longitudinal ribs 22, and the three transverse ribs 23 are uniformly distributed at the bottom, middle and top positions along the second longitudinal axis, so that the overall strength of the anchor sealing template 21 is improved. Preferably, the longitudinal ribs 22 and the transverse ribs 23 are both channel steel structural members, the anchor sealing template 21 is a horseshoe-shaped steel plate member shown in fig. 7, and the shape of the anchor sealing template 21 is the same as that of the vertical projection in the longitudinal axis direction of the first template 1 and is matched with the shape of the end of the T-beam body. In some embodiments, the length of the anchor-sealing template 21 is less than the length of the first template 1, and when installed, the bottom edge of the anchor-sealing template 21 is aligned with the upper edge of the flattening section 15, and the bottom cross-rib 23 is pressed against this edge.
Optionally, the second formwork 2 further comprises a connecting member 24, one end of the connecting member 24 is connected to the end of the cross rib 23, and the other end is connected to the T-beam body 100. Specifically, as shown in fig. 6, through holes are formed at both ends of the cross rib 23, and one end of the connecting member 24 is connected to the through holes and the other end is connected to the diaphragm 200 of the T-beam body 100.
In the preferred embodiment, as shown in fig. 8 and 9, the connecting member 24 is a turnbuckle, one end of which is hooked in the end through hole of the cross rib 23, and the other end is hooked on the steel bar on the diaphragm 200, so as to achieve the compression fixation of the anchor-sealing template 21.
The invention also provides an anchor sealing construction process of the prefabricated T beam end template, which comprises the following steps:
s1, mounting the first template 1 at the end of the T-beam body 100, enabling the opening of the first template 1 to face the side away from the T-beam body 100, fixing the first template 1 and the side templates, and pouring concrete to complete construction of the T-beam body 100;
s2, taking down the first template 1, and carrying out curing, beam penetrating, tensioning, grouting and anchor head plugging on the T-shaped beam body 100;
s3, mounting the anchor sealing template 21 to cover the end of the T-shaped beam body 100 and fix the anchor sealing template with the T-shaped beam body 100, and pouring and vibrating anchor sealing concrete;
and S4, taking down the anchor sealing template 21 to finish anchor sealing construction.
In the construction process, the first formwork 1 is lifted by a lifting device to be installed and adjusted, the side formwork is closed, the integral line shape is adjusted, and then concrete is poured and the first formwork is maintained. After the concrete reaches the form removal strength, the first template 1 is removed, the T-beam body 100 is maintained, prestressed steel strands are threaded, after the concrete strength reaches the tensioning requirement, tensioning, grouting and anchor head plugging operations are performed, finally, the anchor sealing template 21 is installed, two ends of the transverse rib 23 are fastened on the T-beam body 100 through turnbuckles (also written as turnbuckles), the anchor sealing concrete is poured and vibrated through the opening at the top of the arc section 11 at the top of the first template 1, the turnbuckles are removed after the concrete strength reaches the form removal condition, the anchor sealing template 21 is removed, and the prefabrication operation of the T-beam body 100 is completed. Therefore, when the end construction of the T-beam body 100 is carried out, the first template 1 and the second template 2 are combined, the structural design is simple, the installation and the removal are convenient, the contact area is increased when the secondary pouring and the anchoring of concrete are carried out, the turnover performance is strong, and compared with the traditional end template, the problems of concrete damage, cracking and poor flatness of the end part of the T-beam are effectively solved while no additional cost is increased.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A prefabricated T beam end template, its characterized in that includes:
the first template (1) is of an integral shell structure with an opening, the opening of the first template (1) faces to one side away from the T-shaped beam body (100), and two ends of the opening are fixed with the side templates;
the first template (1) is divided into an arc section (11), an anchor recess straight-line section (12), an anchor recess widening section (13), an anchor recess horseshoe section (14) and a flattening section (15) from top to bottom along a first longitudinal axis direction of the first template, and anchor holes (16) are formed in the anchor recess straight-line section (12) and the anchor recess horseshoe section (14);
the second template (2), the second template (2) includes anchor sealing template (21), anchor sealing template (21) is a plate, anchor sealing template (21) can cover the end of the T-shaped beam body (100) formed after the first template (1) is poured.
2. The prefabricated T-beam end formwork of claim 1, wherein a flange (17) is arranged at the opening of the first formwork (1), the flange (17) is arranged in a direction away from the first longitudinal axis, and a folded edge (18) is arranged at the tail end of the flange (17) in a direction towards the opening.
3. The prefabricated T-beam end formwork of claim 1, wherein a plurality of reinforcing ribs (19) are arranged on the first formwork (1), and the plurality of reinforcing ribs (19) are arranged at intervals along the first longitudinal axis of the first formwork (1).
4. The prefabricated T-beam end form of claim 3, wherein the plurality of reinforcement ribs (19) each have a long axis direction perpendicular to the first longitudinal axis direction, the reinforcement ribs (19) abutting and being welded to the inner side wall of the first form.
5. The prefabricated T-beam end formwork of claim 1, wherein a hoisting point hole (3) is arranged at the top of the circular arc section (11).
6. The prefabricated T-beam end formwork of claim 1, wherein the second formwork (2) further comprises at least two longitudinal ribs (22), and the longitudinal ribs (22) are arranged on the anchor sealing formwork (21) in a spaced manner and parallel to the second longitudinal axis direction of the anchor sealing formwork (21).
7. The prefabricated T-beam end formwork of claim 6, wherein the second formwork (2) further comprises a plurality of transverse ribs (23), the plurality of transverse ribs (23) are arranged at intervals along the second longitudinal axis of the anchor sealing formwork (21), and the plurality of transverse ribs (23) are fixed on at least two longitudinal ribs (22).
8. The prefabricated T-beam end formwork of claim 7, wherein said second formwork (2) further comprises a connecting member (24), one end of said connecting member (24) being connected to an end of said cross rib (23) and the other end being connected to said T-beam body (100).
9. The prefabricated T-beam end form of claim 8, wherein said connector (24) is a turnbuckle.
10. An anchor sealing construction process for a prefabricated T-beam end template is characterized by comprising the following steps:
s1, mounting a first template (1) at the end of the T-shaped beam body (100), enabling the opening of the first template (1) to face the side away from the T-shaped beam body (100), fixing the first template (1) and the side templates, and pouring concrete to finish the construction of the T-shaped beam body (100);
s2, removing the first template (1), and curing, penetrating, tensioning, grouting and plugging an anchor head on the T-shaped beam body (100);
s3, mounting the anchor sealing template (21) to cover the end part of the T-shaped beam body (100) and fix the anchor sealing template with the T-shaped beam body (100), and pouring and vibrating anchor sealing concrete;
and S4, removing the anchor sealing template (21) to finish anchor sealing construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036017.4A CN112049023A (en) | 2020-09-27 | 2020-09-27 | Prefabricated T-beam end template and anchor sealing construction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036017.4A CN112049023A (en) | 2020-09-27 | 2020-09-27 | Prefabricated T-beam end template and anchor sealing construction process |
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| CN112049023A true CN112049023A (en) | 2020-12-08 |
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| CN202011036017.4A Pending CN112049023A (en) | 2020-09-27 | 2020-09-27 | Prefabricated T-beam end template and anchor sealing construction process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338166A (en) * | 2021-06-17 | 2021-09-03 | 中国十七冶集团有限公司 | Method for fine adjustment during installation of concrete prefabricated T-shaped beam |
| CN114953117A (en) * | 2022-06-15 | 2022-08-30 | 新疆北新路桥集团股份有限公司 | Prefabricated T beam-ends mould |
-
2020
- 2020-09-27 CN CN202011036017.4A patent/CN112049023A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338166A (en) * | 2021-06-17 | 2021-09-03 | 中国十七冶集团有限公司 | Method for fine adjustment during installation of concrete prefabricated T-shaped beam |
| CN113338166B (en) * | 2021-06-17 | 2022-06-10 | 中国十七冶集团有限公司 | Method for fine adjustment during installation of concrete prefabricated T-shaped beam |
| CN114953117A (en) * | 2022-06-15 | 2022-08-30 | 新疆北新路桥集团股份有限公司 | Prefabricated T beam-ends mould |
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