CN113445421A - Construction method for integrally lowering tower column and crossbeam support - Google Patents
Construction method for integrally lowering tower column and crossbeam support Download PDFInfo
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- CN113445421A CN113445421A CN202110776472.6A CN202110776472A CN113445421A CN 113445421 A CN113445421 A CN 113445421A CN 202110776472 A CN202110776472 A CN 202110776472A CN 113445421 A CN113445421 A CN 113445421A
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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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The application relates to a construction method for integrally lowering a tower column and beam support, which comprises the following steps: the upper end of the cross beam is provided with a hoisting device, a rope is arranged on the hoisting device, and the rope penetrates through the cross beam and is connected with the cross beam bracket at the lower end; hoisting the beam support by using hoisting equipment; cutting off the bracket supporting the beam bracket; and lowering the beam support to the lower working plane by utilizing the hoisting equipment. According to the construction method for integrally lowering the tower column and the beam support, the beam support is dismantled from high-altitude operation to working plane operation, and the construction risk is greatly reduced.
Description
Technical Field
The application relates to the field of bridges, in particular to a construction method for integrally lowering a tower column and beam support.
Background
At present, a tower column beam mainly comprises a beam support, a bottom die system, a distribution beam, brackets and other components, and after the beam construction is completed, the beam support, the bottom die system, the distribution beam, the brackets and other components need to be dismantled.
However, the crossbeam is arranged at a higher height, the support is of a large-span truss and bracket structure, the hoisting capacity of the tower crane can only be detached, and the detachment construction safety risk is extremely high due to the high altitude.
Disclosure of Invention
The embodiment of the application provides a construction method for integrally lowering a tower column and beam support, and aims to solve the problem of high safety risk of members formed by dismantling beams in the air in the related art.
The integral lowering construction method of the tower column and beam support comprises the following steps:
the upper end of the cross beam is provided with a hoisting device, a rope is arranged on the hoisting device, and the rope penetrates through the cross beam and is connected with the cross beam bracket at the lower end;
hoisting the beam support by using hoisting equipment;
cutting off the bracket supporting the beam bracket;
and lowering the beam support to the lower working plane by utilizing the hoisting equipment.
In some embodiments, the step of passing the cable downwardly through the cross member and connecting to the cross member support at the lower end comprises:
the rope is downwards passed through the cross beam and the cross beam bracket in turn,
and a lower support distribution beam is arranged at the bottom end of the rope and is welded with the cross beam support.
In some embodiments, during the welding of the under-brace distribution beam to the cross beam brace, the method further comprises the steps of:
and (5) performing stiffening treatment on the part of the joint of the distribution beam and the beam bracket under the bracket.
In some embodiments, the specific steps of removing the corbels supporting the beam support are as follows:
the steel cushion that the synchronous cutting bracket top surface set up to satisfy the cutting width and be close to predetermineeing the width.
In some embodiments, after cutting the corbels supporting the beam supports, before lowering the beam supports to a work plane below using a hoist apparatus, the method further comprises the steps of:
so that the bracket is separated from the tower column, and the separated bracket is fixed on the lower chord of the beam support through the bolt hanging guide chain;
and (5) dismantling the bracket construction operation platform.
In some embodiments, the method further comprises the step of, after removing the corbels supporting the beam support and before detaching the corbels from the tower:
hoisting the beam support by using hoisting equipment, standing the beam support for a preset time, and observing whether the beam support is abnormal or not;
if the abnormal condition exists, the hoisting equipment is replaced;
if no abnormity exists, the next step is carried out.
In some embodiments, the specific steps of disengaging the corbel from the tower are:
providing a hand-held jack;
the bracket is drawn to gradually separate from the tower column by the dynamic tightening of the bolt hanging guide chain and the handheld jack.
In some embodiments, the hoisting device is a winch, and the rope is a wire rope.
In some embodiments, lowering the beam support to the lower work plane using the hoist apparatus further comprises:
after the beam support is lowered to a preset distance, the lowering is suspended;
a rope clip and a steel wire rope are provided, and the steel wire rope and the rope are connected by the rope clip.
In some embodiments, when the beam is a middle beam, the beam support is a middle beam support, and the working plane is the ground;
when the cross beam is an upper cross beam, the cross beam bracket is an upper cross beam bracket, and the working plane is a middle cross beam.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a construction method for integrally lowering a tower column and a beam support, wherein hoisting equipment is arranged at the upper end of a beam, a rope is arranged on the hoisting equipment, and the rope penetrates through the beam and is connected with the beam support at the lower end; hoisting the beam support by using hoisting equipment; cutting off the bracket supporting the beam bracket; and lowering the beam support to the lower working plane by utilizing the hoisting equipment. Therefore, high-altitude operation is converted into supported plane operation, the safety risk of the high-altitude operation is avoided, the support dismantling efficiency is improved, and the cost is saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a middle cross beam bracket provided in an embodiment of the present application in a state where no corbel is cut;
fig. 2 is a schematic structural diagram of a middle cross beam bracket according to an embodiment of the present application in a state where a bracket is cut but a bracket construction work platform is not removed;
fig. 3 is a schematic structural diagram of a middle cross beam bracket according to an embodiment of the present application in a state where the bracket is cut and the bracket construction work platform is removed;
fig. 4 is a schematic structural view of a state from below a middle cross beam support to the ground according to an embodiment of the present application;
fig. 5 is a schematic structural view of a rope and a steel wire rope in a connection state according to an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view in the vertical direction of FIG. 3;
FIG. 7 is a schematic view of a planar structure of a distribution beam under a bracket according to an embodiment of the present application;
fig. 8 is a schematic plan view of a distribution beam of a winch according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a fixed pulley distribution beam provided in an embodiment of the present application.
In the figure: 1. a cross beam; 2. hoisting equipment; 3. a rope; 4. a beam support; 4a, a beam support truss; 4b, a beam bracket connecting system; 5. a support lower distribution beam; 5a, distributing beam bodies under the supports; 5b, reinforcing plates of the distribution beams of the winch; 5c, distributing beam lifting lugs of the winch; 6. a bracket; 7. a steel cushion block; 8. hanging a guide chain by a bolt; 9. a bracket construction operation platform; 11. rope clamping; 12. a hoist distribution beam; 12a, a winch distribution beam body; 12b, a reinforcing plate of a distribution beam of the winch; 13. embedding parts; 14. a tackle pulley set; 15. a fixed pulley distribution beam; 15a, a fixed pulley distribution beam body; 15b, fixed pulley lifting lugs; 16. a bottom die system; 17. a distribution beam; 18. and (6) shackle dismounting.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, a tower column beam mainly comprises a beam support, a bottom die system, a distribution beam, brackets and other components, and after the beam construction is completed, the beam support, the bottom die system, the distribution beam, the brackets and other components need to be dismantled.
However, the crossbeam is arranged at a higher height, the support is of a large-span truss and bracket structure, the hoisting capacity of the tower crane can only be detached, and the detachment construction safety risk is extremely high due to the high altitude.
The embodiment of the application provides a construction method for integrally lowering a tower column and beam support, which can solve the problem of high safety risk of members formed by dismantling beams at high altitude in the related art.
Referring to fig. 1 to 5, the present application provides a method for integrally lowering a tower column and a beam support, which includes the following steps:
s1, arranging a hanging device 2 at the upper end of the beam 1, arranging a rope 3 on the hanging device 2, penetrating the rope 3 through the beam 1, and connecting the rope with the beam support 4 at the lower end;
s2, hoisting the beam support 4 by using the hoisting equipment 2;
s3, cutting off the bracket 6 supporting the beam bracket 4;
and S4, lowering the beam support 4 to a lower working plane by using the hoisting equipment 2.
In the application, when the beam 1 is a middle beam, the beam support 4 is a middle beam support, the lower working plane is the ground, the hoisting device 2 adopts a winch, and four winches are arranged and arranged in a rectangular mode, a winch distribution beam is arranged on the middle beam, the winch distribution beam 12 is fixed on the middle beam through an embedded part 13, and the winch is fixed on the winch distribution beam 12.
Before proceeding to step S1, it is necessary to perform the steps of: after the construction of the middle cross beam is completed, the embedded part 13 at the top of the middle cross beam is firstly copied and padded, and the horizontal condition of the copied padding is checked through a horizontal ruler. Hoisting 4 winch distributing beams 12 by using a tower crane, installing the 4 winch distributing beams in place, firmly connecting and fixing the 4 winch distributing beams with the embedded parts 13, installing 4 winches at specified positions, and arranging the winch distributing beam stiffening plates 12b at the leg parts according to requirements. And (4) penetrating hoisting steel wire ropes of the hoisting points into the pulley block and the winch. After the connection is finished, the whole lower hoisting system is debugged, and combined inspection, acceptance and visa work is organized to ensure that the whole preposed work is stable and reliable.
The pulley blocks 14 are symmetrically arranged on the winch distributing beam 12 and the middle cross beam support, furthermore, the winch distributing beam 12 and the middle cross beam support are provided with fixed pulley distributing beams 15, each fixed pulley distributing beam 15 is formed by welding a fixed pulley distributing beam body 15a and a fixed pulley lifting lug 15b, the fixed pulley distributing beam bodies 15a and the winch distributing beam 12 are fixedly welded, the fixed pulley lifting lugs 15b are connected with the shackles 18, and the pulley blocks 14 and the shackles 18 are connected together.
The tower column beam mainly comprises a beam support 4, a bottom die system 16, a distribution beam 17, a bracket 6 and other components, and after the beam construction is completed, the beam support 4, the bottom die system 16, the distribution beam 17, the bracket 6 and other components need to be dismantled.
The concrete step S5 of passing the rope 3 downward through the crossmember 1 and connecting it to the lower crossmember bracket 4 in step S1 includes: the rope 3 sequentially penetrates through the cross beam 1 and the cross beam bracket 4 downwards;
and a support lower distribution beam 5 is arranged at the bottom end of the rope 3, and the support lower distribution beam 5 is welded with the cross beam support 4.
Further, in the process of welding the under-brace distribution beam 5 and the beam bracket 4, step S6 is further included, in which a local portion of a connection portion between the under-brace distribution beam 5 and the beam bracket 4 is stiffened to increase the stability of the connection between the under-brace distribution beam 5 and the beam bracket 4.
On the other hand, in step S1, a specific step S7 of cutting off the corbels 6 supporting the beam bracket 4 is as follows: the steel cushion block 7 that 6 top surfaces of synchronous cutting bracket set up to satisfy the cutting width and be close to predetermineeing the width.
Wherein, the in-process of cutting bracket 6, need notice symmetry cutting in proper order, avoid whole crossbeam support 4 atress inhomogeneous, the easy slope phenomenon that takes place.
The preset width is generally 2cm, when the steel cushion block 7 arranged on the top surface of the bracket 6 is cut, the requirement that the cutting width is close to 2cm is met, after the cutting is finished, the bracket 6 does not support the beam support 4 any more, and the beam support 4 is completely lifted by the rope 3. This design of predetermineeing the width should not be too big, if numerical value is too big, hangs when getting crossbeam support 4 when the problem, can not be connected crossbeam support 4 with the column again fast, guarantees the security that whole crossbeam support 4 transferred, even if the problem appears, because the setting of cutting width, not only can be so that crossbeam support 4 can separate with the column, when the problem appears, also convenient in time fixes crossbeam support 4 on the column.
After the corbels 6 supporting the beam support 4 are cut off, before the beam support 4 is lowered to a lower working plane by using a hoist, the method further includes step S8:
so that the bracket 6 is separated from the tower column, and the separated bracket 6 is fixed on the lower chord of the beam bracket 4 through the bolt hanging guide chain 8;
and (5) removing the bracket construction operation platform 9.
As shown in fig. 3, after the bracket construction operation platform 9 is removed by using the tower crane, it is necessary to check and confirm that the connection between the members of the beam support 5 is firm, and the connection and the collision between the end of the support and the tower column 1 are not in any state, so that it is ensured that the beam support 4 does not contact with the tower column in the descending process, and it is also ensured that the beam support 5 does not fall apart, and if the condition is checked, the tower crane needs to be handled in time.
The step S9 is performed before the corbel 6 is detached from the tower after the corbel 6 supporting the beam support 4 is cut off:
hoisting the beam support 4 by using the hoisting equipment 2, standing the beam support 4 for a preset time, and observing whether the abnormality exists or not;
if the abnormal condition exists, the hoisting equipment 2 is replaced;
if no abnormity exists, the next step is carried out.
In step S9, the preset time is generally selected to be 2 hours, or may be selected to be 1 hour or 3 hours, in this process, it can be measured whether the connection of the whole beam bracket 4 is firm, the stability of the whole beam bracket 4 in the lowering process is improved, in this process, an abnormal condition occurs, generally, the rope 3 or the hoisting device 2 is in trouble, and the replacement is performed, or if no abnormal condition occurs, the next step is performed.
In S8, the specific steps of detaching the corbel 6 from the tower column are providing a hand-held jack;
the bracket 6 is drawn to gradually separate from the tower column by the dynamic tightening of the bolt hanging guide chain 8 and the hand-held jack.
In step S4, lowering the beam support 4 to the lower work plane using the hoist apparatus 2 further includes step S10:
after the beam support 4 is lowered to a preset distance, the lowering is suspended;
a rope clamp 11 and a wire rope are provided, and the wire rope is connected to the rope 3 by the rope clamp 11.
The preset distance is generally selected to be 1.5m, and it is understood that other numbers, such as 1.3, 1.4, 1.6 and the like, can be adopted, the limitation is not made, in the process of suspending the downward movement, the rope clamp 11 buckles the steel wire rope and the steel wire rope of the winch, the smooth rope surface cannot be clamped in time when an accident occurs, and after the mistake is ensured, a person is dispatched to perform appearance modification treatment on the bottom plate of the cross beam.
After finishing the modification, the four winches slowly and integrally lower the beam support 4 until the beam support 4 falls on the ground, and the ground crane is adopted to perform the scattered dismantling construction on the beam support 4 from top to bottom and symmetrically from outside to inside one by one until the structure of the beam support 4 is completely dismantled.
In fig. 1-4 of the present application, only the case of lowering of the middle cross beam is provided, and in fact the present application can be applied to lowering of the middle cross beam support as well as the upper cross beam support.
When the beam support adopts a middle beam support, the method comprises the following steps:
s1, arranging a hoisting device 2 at the upper end of the middle cross beam, arranging a rope 3 on the hoisting device 2, and enabling the rope 3 to penetrate through the middle cross beam 1 and be connected with a middle cross beam bracket at the lower end;
s2, hoisting the middle cross beam support by using the hoisting equipment 2;
s3, cutting off the bracket 6 supporting the middle cross beam bracket;
and S4, lowering the middle cross beam support to the ground by using the lifting device 2.
When the beam support adopts the upper beam support, the method comprises the following steps:
s1, arranging a hoisting device 2 at the upper end of the upper cross beam, arranging a rope 3 on the hoisting device 2, and enabling the rope 3 to penetrate through the upper cross beam 1 and be connected with an upper cross beam support at the lower end;
s2, hoisting the upper beam support by using the hoisting equipment 2;
s3, cutting off the bracket 6 supporting the upper crossbeam bracket;
and S4, lowering the upper crossbeam support to the middle crossbeam by using the hoisting equipment 2.
In the application, the beam is a whole and mainly comprises a beam support 4, a bottom die system 16, a distribution beam 17, a bracket 6 and the like, and in the process of lowering the beam support 4, the bottom die system 16, the distribution beam 17 and the bracket 6 are generally lowered together.
In this application, the beam support 4 includes a beam support truss 4a, a beam support connection system 4b, and the beam support 4 is formed by welding the beam support truss 4a and the beam support connection system 4 b.
The winch distributing beam 12 is formed by welding a winch distributing beam body 12a and a winch distributing beam stiffening plate 12b, and the winch distributing beam and the winch are fixed in a welding mode.
The lower support distribution beam 5 is formed by welding a lower support distribution beam body 5a, a winch distribution beam stiffening plate 5b and a winch distribution beam lifting lug 5c, and the lower support distribution beam 5 and the cross beam support truss 4a are fixedly welded.
The principle of the application is as follows:
arranging a hoisting device 2 at the upper end of a cross beam 1, arranging a rope 3 on the hoisting device 2, and enabling the rope 3 to penetrate through the cross beam 1 and be connected with a cross beam bracket 4 at the lower end; hoisting the beam support 4 by using the hoisting equipment 2; cutting off the bracket 6 supporting the beam bracket 4; utilize to hang and get equipment 2 and transfer crossbeam support 4 to the working plane of below, can shift the work of demolising of crossbeam support 4 to the working plane from aerial, reduced and demolishd the risk.
On the other hand, through the steel cushion 7 that 6 top surfaces of cutting bracket set up, in order to satisfy the cutting width and be close to preset width and utilize to hang and get equipment 2 and hang and get crossbeam support 4, and make crossbeam support 4 stand still to preset time, observe there is the abnormal condition, guarantee the security that whole crossbeam support 4 transferred, even if go wrong, because the setting of cutting width, not only can make crossbeam support 4 can separate with the column tower, when the problem appears, also convenient in time fix crossbeam support 4 on the column tower.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The construction method for integrally lowering the tower column and the beam support is characterized by comprising the following steps of:
the upper end of the cross beam (1) is provided with a hoisting device (2), the hoisting device (2) is provided with a rope (3), and the rope (3) penetrates through the cross beam (1) and is connected with a cross beam bracket (4) at the lower end;
hoisting the beam support (4) by using the hoisting equipment (2);
cutting off the bracket (6) supporting the beam bracket (4);
and lowering the beam support (4) to a lower working plane by using the hoisting equipment (2).
2. The construction method for integrally lowering the tower column-beam support according to claim 1, wherein:
the step of passing a rope (3) downward through a cross beam (1) and connecting the rope (3) with a cross beam bracket (4) at the lower end comprises:
the rope (3) is downwards passed through the beam (1) and the beam bracket (4) in turn,
and a support lower distribution beam (5) is arranged at the bottom end of the rope (3), and the support lower distribution beam (5) is welded with the cross beam support (4).
3. The construction method for integrally lowering the tower column-beam support according to claim 2, characterized in that: in the process of welding the under-bracket distribution beam (5) and the cross beam bracket (4), the method further comprises the following steps:
and local part of the joint of the distribution beam (5) and the beam support (4) under the support is stiffened.
4. The construction method for integrally lowering the tower column-beam support according to claim 1, wherein: the specific steps of cutting off the bracket (6) supporting the beam bracket (4) are as follows:
the steel cushion block (7) that synchronous cutting bracket (6) top surface set up to satisfy the cutting width and be close to predetermineeing the width.
5. The construction method for integrally lowering the tower column-beam support according to claim 3, wherein: after the bracket (6) supporting the beam support (4) is cut off, before the beam support (4) is lowered to a lower working plane by using the hoisting equipment (2), the method further comprises the following steps:
so that the bracket (6) is separated from the tower column, and the separated bracket (6) is fixed on the lower chord of the beam support (4) through a bolt hanging guide chain (8);
and (4) dismantling the bracket construction operation platform (9).
6. The construction method for integrally lowering the tower column-beam support according to claim 5, wherein: after cutting off the bracket (6) supporting the beam bracket (4) and before the bracket (6) is separated from the tower column, the method further comprises the following steps:
hoisting the beam support (4) by using the hoisting equipment (2), standing the beam support (4) for a preset time, and observing whether the abnormality exists or not;
if the abnormal condition exists, the hoisting equipment (2) is replaced;
if no abnormity exists, the next step is carried out.
7. The construction method for integrally lowering the tower column-beam support according to claim 5, wherein: the specific steps for separating the bracket (6) from the tower column are as follows:
providing a hand-held jack;
the bracket (6) is drawn to be gradually separated from the tower column by the dynamic tightening of the bolt hanging guide chain (8) and the hand-held jack.
8. The construction method of integrally lowering the tower column-beam support according to any one of claims 1 to 7, wherein: the hoisting equipment (2) adopts a winch, and the rope (3) adopts a steel wire rope.
9. The construction method for integrally lowering the tower column-beam support according to claim 8, wherein: the working plane from the lower beam support (4) to the lower part by using the hoisting equipment (2) further comprises the following steps:
after the beam support (4) is lowered to a preset distance, the lowering is suspended;
a rope clamp (11) and a wire rope are provided, and the wire rope is connected to the rope (3) by the rope clamp (11).
10. The construction method for integrally lowering the tower column-beam support according to claim 1, wherein: when the cross beam (1) is a middle cross beam, the cross beam bracket (4) is a middle cross beam bracket, and the working plane is the ground;
when the cross beam (1) is an upper cross beam, the cross beam bracket (4) is an upper cross beam bracket, and the working plane is a middle cross beam.
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| CN202110776472.6A CN113445421A (en) | 2021-07-08 | 2021-07-08 | Construction method for integrally lowering tower column and crossbeam support |
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| CN202110776472.6A CN113445421A (en) | 2021-07-08 | 2021-07-08 | Construction method for integrally lowering tower column and crossbeam support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957802A (en) * | 2021-11-22 | 2022-01-21 | 安徽省公路桥梁工程有限公司 | Construction method for long-span upper beam of single-tower asymmetric cable-stayed bridge high tower |
| CN114717945A (en) * | 2022-03-09 | 2022-07-08 | 中国建筑土木建设有限公司 | Construction method and structure for supporting bottom of deep water tidal section high pile cap |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100820299B1 (en) * | 2007-05-15 | 2008-04-08 | 삼성물산 주식회사 | Temporary structure and precast concrete beam of pylon setting method using the bracket |
| CN104109999A (en) * | 2014-06-26 | 2014-10-22 | 中铁大桥局股份有限公司 | Construction method for bridge tower transverse beams |
| CN212771960U (en) * | 2020-05-30 | 2021-03-23 | 中交路桥建设有限公司 | Whole device of demolising of 0# piece bracket of continuous rigid frame bridge |
-
2021
- 2021-07-08 CN CN202110776472.6A patent/CN113445421A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100820299B1 (en) * | 2007-05-15 | 2008-04-08 | 삼성물산 주식회사 | Temporary structure and precast concrete beam of pylon setting method using the bracket |
| CN104109999A (en) * | 2014-06-26 | 2014-10-22 | 中铁大桥局股份有限公司 | Construction method for bridge tower transverse beams |
| CN212771960U (en) * | 2020-05-30 | 2021-03-23 | 中交路桥建设有限公司 | Whole device of demolising of 0# piece bracket of continuous rigid frame bridge |
Non-Patent Citations (4)
| Title |
|---|
| 李陆平: "高塔上横梁牛腿支架设计与施工技术", 《价值工程》 * |
| 李陆平: "高塔上横梁牛腿支架设计与施工技术", 《价值工程》, vol. 35, no. 16, 8 June 2016 (2016-06-08), pages 98 - 101 * |
| 胡雄伟: "重庆寸滩长江大桥桥塔横梁支架设计与施工", 《世界桥梁》 * |
| 胡雄伟: "重庆寸滩长江大桥桥塔横梁支架设计与施工", 《世界桥梁》, vol. 43, no. 2, 28 March 2015 (2015-03-28), pages 40 - 43 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957802A (en) * | 2021-11-22 | 2022-01-21 | 安徽省公路桥梁工程有限公司 | Construction method for long-span upper beam of single-tower asymmetric cable-stayed bridge high tower |
| CN114717945A (en) * | 2022-03-09 | 2022-07-08 | 中国建筑土木建设有限公司 | Construction method and structure for supporting bottom of deep water tidal section high pile cap |
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