CN114541279A - Novel forward moving construction method for hanging basket - Google Patents
Novel forward moving construction method for hanging basket Download PDFInfo
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- CN114541279A CN114541279A CN202210333989.2A CN202210333989A CN114541279A CN 114541279 A CN114541279 A CN 114541279A CN 202210333989 A CN202210333989 A CN 202210333989A CN 114541279 A CN114541279 A CN 114541279A
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- hanging basket
- main
- leg
- supporting leg
- finish
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 19
- 210000001364 upper extremity Anatomy 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- E01D21/10—Cantilevered erection
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a novel hanging basket forward moving construction method, which relates to the technical field of hanging basket construction and comprises the following steps: loosening the rear anchor rods of the main longitudinal beams by 10cm, and simultaneously jacking the main longitudinal beams of the triangular truss in front of the front supporting legs by using a jack to keep the main longitudinal beams horizontal; measuring the forward track position of the hanging basket, installing a new front supporting leg and leveling and compacting; the connection between the rear supporting leg pressing beam and the rear anchor is released, the rear supporting leg is moved to the rear supporting leg position of the next cantilever beam section, and the rear supporting leg and the hanging basket are anchored to the poured beam body by using the rear supporting leg pressing beam and the finish-rolled deformed steel bar; this novel string basket antedisplacement construction method adopts the string basket antedisplacement method that three landing leg supported in turn, effectively saves landing leg antedisplacement time, and usable cast-in-place roof beam uniform strength time installation adjustment landing leg simultaneously removes back anchor point anchor when hanging the basket antedisplacement and just can walk, greatly reduces the preparation time before hanging the basket walking for process switching speed to do benefit to and improve the efficiency of construction.
Description
Technical Field
The invention relates to the technical field of hanging basket construction, in particular to a novel hanging basket forward moving construction method.
Background
The hanging basket is a main device in cantilever construction, can be divided into 4 types of trusses, inclined pull type, section steel type and mixed type according to the structural form, comprehensively compares the characteristics and the weight of the hanging basket in various forms, the type of steel adopted, the construction process and the like according to the construction process requirements of the concrete cantilever and the requirements of design drawings on the hanging basket; hanging basket design principle: the hanging basket has the advantages of light dead weight, simple structure, firmness, stability, convenience in forward movement and assembly and disassembly, strong reusability, small deformation after stress and the like, and the space under the hanging basket is sufficient, so that a large construction operation surface can be provided, and the construction operation of the steel bar formwork is facilitated.
The bridge need use string basket when the construction, hangs the basket among the prior art and moves when the construction, has to prepare longer time before hanging the basket walking, and the efficiency of construction of great influence for this, provides a novel string basket antedisplacement construction method and solves above-mentioned problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel construction method for forward movement of a hanging basket, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel hanging basket forward moving construction method comprises the following steps:
s1, loosening the anchor rods 10cm behind the main longitudinal beams, and simultaneously jacking the main longitudinal beams of the triangular truss in front of the front supporting legs by using a jack to keep the main longitudinal beams horizontal;
s2, measuring the forward movement track position of the hanging basket, installing a new front supporting leg, leveling and compacting;
s3, removing the connection between the rear support leg pressing beam and the rear anchor, moving the rear support leg to the rear support leg position of the next cantilever beam section, and anchoring the rear support leg and the hanging basket to the poured beam body by using the rear support leg pressing beam and the finish-rolled deformed steel bar;
s4, lifting the jack to facilitate the removal of the original front supporting leg, and then unloading the jack and the device thereof;
s5, removing the rear anchoring beam and the rear anchoring finish rolling the deformed steel bar, preparing the hanging basket to walk, mounting a jack in front of the front supporting leg, and enabling the hanging basket to advance towards the advancing direction through a traction device;
and S6, the hanging basket walks in place, and the rear anchor beams and the finish rolling threaded rods are used for replacing the finish rolling threaded rods of the rear supporting leg pressing beam one by one at the rear anchor position, so that the overturning force of the hanging basket is transmitted through the main longitudinal beam, the rear anchor beams, the finish rolling threaded steel and the box beam.
In step S1, three 60-ton jacks are used to simultaneously jack up the main longitudinal beams of the triangular truss in front of the front support legs.
Further optimizing the technical scheme, in the step S1, the three jacks of 60 tons are horizontally arranged in parallel with the front supporting legs, and the tops of the jacks are movably overlapped with the main beam.
In step S2, the main beam is jacked up by using the jack, and a new front support leg is installed at the bottom of the main beam for supporting.
In step S3, after the rear support leg and the cradle are anchored to the cast beam body by the rear support leg pressing beam and the finish-rolled deformed steel bar, the overturning force of the cradle is transmitted through the main longitudinal beam, the rear support leg reverse buckling wheel, the rear support leg pressing beam, the finish-rolled deformed steel bar and the box beam.
Further optimizing the technical scheme, in the step S5, the rear anchoring beam and the rear anchoring finish rolled deformed steel bar are unlocked, the main beam is jacked up by the jack to remove the original front supporting leg, the rear left-hand catch wheel of the rear supporting leg is lapped with the main beam, the new front supporting leg rolling shaft is lapped with the main beam, and the hanging basket is made to advance towards the advancing direction by the traction device, so that the hanging basket is made to advance.
Further optimizing the technical scheme, in the step S6, after the hanging basket is moved in place, the rear anchoring beam and the finish rolling threaded rod are used for fixing and positioning by utilizing the rear anchoring position.
Further optimizing the technical scheme, the hanging basket consists of a main beam, a front supporting leg, a rear anchoring beam, finish-rolled deformed steel bar, a front upper cross beam, a hanger, an inner guide beam, an outer guide beam, a rear hanger, a rear supporting leg pressing beam, a traction device, a parallel connection, a transverse connection, a rear lower cross beam and a front lower cross beam;
the steel bar post-rolling device is characterized in that one side of the main beam is installed and arranged through a rear anchoring beam and finish-rolling deformed steel bar, a front upper beam is arranged at the top of the other side of the main beam, a hanger located at the bottom of the main beam is arranged under the front upper beam, an inner guide beam and an outer guide beam are sequentially arranged at the bottom of the hanger, one side, far away from the hanger, of the inner guide beam and the outer guide beam extends into a poured beam section in a main bridge pier, a rear lower beam is arranged at the bottom of the main bridge pier, a front lower beam is arranged on the rear lower beam through a beam frame, and a rear hanger is arranged right above the rear lower beam.
Further optimize this technical scheme, the bottom of girder is provided with preceding landing leg and back landing leg, and preceding landing leg and back landing leg are used for supporting the girder, be provided with the main truss stand that is used for the outrigger on the girder.
Compared with the prior art, the invention provides a novel construction method for forward movement of a hanging basket, which has the following beneficial effects:
this novel string basket antedisplacement construction method adopts the string basket antedisplacement method that three landing leg supported in turn, effectively saves landing leg antedisplacement time, and usable cast-in-place roof beam uniform strength time installation adjustment landing leg simultaneously removes back anchor point anchor when hanging the basket antedisplacement and just can walk, greatly reduces the preparation time before hanging the basket walking for process switching speed to do benefit to and improve the efficiency of construction.
Drawings
Fig. 1 is a schematic view of a state of a step one of the novel construction method for forward movement of a hanging basket according to the present invention;
FIG. 2 is a schematic diagram showing a second state of the novel construction method for forward moving the cradle according to the present invention;
FIG. 3 is a schematic diagram showing three states of steps of a novel construction method for forward moving a hanging basket according to the present invention;
FIG. 4 is a schematic diagram showing a fourth state of the steps of the novel construction method for forward moving the cradle according to the present invention;
FIG. 5 is a schematic diagram showing a fifth state of the novel construction method for forward moving the cradle according to the present invention;
fig. 6 is a six-state diagram illustrating a novel construction method for forward moving a cradle according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
Referring to fig. 1-6, the invention provides a novel hanging basket forward moving construction method, so as to solve the problem that construction efficiency is greatly influenced by the fact that preparation needs a long time before a hanging basket travels during hanging basket forward moving construction in the prior art.
Referring to fig. 1-6 again, the invention provides a novel hanging basket forward moving construction method, which adopts a hanging basket forward moving method supported by three support legs in turn, effectively saves the forward moving time of the support legs, can install and adjust the support legs by utilizing the equal strength time of a cast-in-place beam, can walk after removing the anchor point anchor when the hanging basket moves forward, greatly reduces the preparation time before the hanging basket walks, accelerates the process conversion speed, and is favorable for improving the construction efficiency;
wherein: the hanging basket consists of a main beam, a front supporting leg, a rear anchoring beam, finish-rolled deformed steel bar, a front upper cross beam, a hanger, an inner guide beam, an outer guide beam, a rear hanger, a rear supporting leg pressing beam, a traction device, a parallel connection, a transverse connection, a rear lower cross beam and a front lower cross beam;
one side of the main beam is installed through a rear anchoring beam and finish-rolled deformed steel bars, a front upper beam is arranged at the top of the other side of the main beam, a hanger positioned at the bottom of the main beam is arranged under the front upper beam, an inner guide beam and an outer guide beam are sequentially arranged at the bottom of the hanger, one sides of the inner guide beam and the outer guide beam, far away from the hanger, extend into a poured beam section in a main bridge pier, a rear lower beam is arranged at the bottom of the main bridge pier, the rear lower beam is provided with a front lower beam through a beam frame, and a rear hanger is arranged right above the rear lower beam;
the bottom of the main beam is provided with a front supporting leg and a rear supporting leg, the front supporting leg and the rear supporting leg are used for supporting the main beam, and the main beam is provided with a main truss upright post for stable support;
the novel hanging basket forward moving construction method comprises the following steps:
s1, please refer to the figure 1 again, the anchor rods 10cm behind the main longitudinal beams are loosened, and the main longitudinal beams of the triangular truss are jacked up by using the jacks in front of the front supporting legs to keep the main longitudinal beams horizontal;
s2, please refer to fig. 2 again, the forward movement track position of the cradle is measured, a new front supporting leg is installed, and the cradle is leveled and padded;
s3, please refer to fig. 3 again, the connection between the rear support leg pressing beam and the rear anchor is released, the rear support leg is moved to the rear support leg position of the next cantilever beam section, and the rear support leg and the hanging basket are anchored to the poured beam body by using the rear support leg pressing beam and the finish-rolled deformed steel bar;
s4, please refer to fig. 4 again, lifting the jack to remove the original front supporting leg, and then unloading the jack and its device;
s5, please refer to fig. 5 again, the back anchoring beam and the back anchor finish rolling deformed steel bar are released, the hanging basket is ready to walk, a jack is installed in front of the front support leg, and the hanging basket is made to advance to the advancing direction by the traction device;
s6, please refer to fig. 6 again, the cradle is moved to the right position, the rear anchor beam and the finish rolling threaded rod are used to replace the finish rolling threaded rod of the rear support leg pressing beam one by one at the rear anchor position, so that the overturning force of the cradle is transmitted through the main longitudinal beam, the rear anchor beam, the finish rolling threaded steel and the box girder.
As an optimized solution of the present embodiment, in the step S1, three jacks of 60 tons are used to simultaneously jack up the main longitudinal beams of the triangular truss in front of the front support leg.
As an optimized solution of this embodiment, in step S1, three jacks of 60 tons are horizontally arranged in parallel with the front supporting legs, and the top of each jack is movably overlapped with the main beam.
As an optimized solution of this embodiment, in step S2, the main beam is jacked up by using the jack, and a new front leg is installed at the bottom of the main beam for support.
In the preferred embodiment, in step S3, after the rear leg pressing beam and the finish-rolled deformed steel bar anchor the rear leg and the cradle to the cast beam, the overturning force of the cradle is transmitted through the main longitudinal beam, the rear leg reaction wheel, the rear leg pressing beam, the finish-rolled deformed steel bar, and the box girder.
As an optimized scheme of this embodiment, in step S5, the locking of the rear anchor beam and the rear anchor finish-rolled deformed steel bar is released, the main beam is jacked up by the jack to remove the original front support leg, the rear left-hand catch wheel of the rear support leg is lapped with the main beam, the new front support leg roller is lapped with the main beam, and the cradle is advanced in the advancing direction by the traction device, so that the cradle is advanced.
As an optimized solution of this embodiment, in step S6, after the cradle travels to the right position, the rear anchor position is used to fix and position the rear anchor beam and the finish-rolled threaded rod.
The invention has the beneficial effects that: this novel string basket antedisplacement construction method adopts the string basket antedisplacement method that three landing leg supported in turn, effectively saves landing leg antedisplacement time, and usable cast-in-place roof beam uniform strength time installation adjustment landing leg simultaneously removes back anchor point anchor when hanging the basket antedisplacement and just can walk, greatly reduces the preparation time before hanging the basket walking for process switching speed to do benefit to and improve the efficiency of construction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The novel forward construction method of the hanging basket is characterized by comprising the following steps:
s1, loosening the anchor rods 10cm behind the main longitudinal beams, and simultaneously jacking the main longitudinal beams of the triangular truss in front of the front supporting legs by using a jack to keep the main longitudinal beams horizontal;
s2, measuring the forward movement track position of the hanging basket, installing a new front supporting leg, leveling and compacting;
s3, removing the connection between the rear support leg pressing beam and the rear anchor, moving the rear support leg to the rear support leg position of the next cantilever beam section, and anchoring the rear support leg and the hanging basket to the poured beam body by using the rear support leg pressing beam and the finish-rolled deformed steel bar;
s4, lifting the jack to facilitate the removal of the original front supporting leg, and then unloading the jack and the device thereof;
s5, removing the rear anchoring beam and the rear anchoring finish rolling the deformed steel bar, preparing the hanging basket to walk, mounting a jack in front of the front supporting leg, and enabling the hanging basket to advance towards the advancing direction through a traction device;
and S6, the hanging basket walks in place, and the rear anchor beams and the finish rolling threaded rods are used for replacing the finish rolling threaded rods of the rear supporting leg pressing beam one by one at the rear anchor position, so that the overturning force of the hanging basket is transmitted through the main longitudinal beam, the rear anchor beams, the finish rolling threaded steel and the box beam.
2. The method as claimed in claim 1, wherein in step S1, three jacks of 60 tons are used to jack up the main longitudinal beams of the triangular truss simultaneously in front of the front leg.
3. The novel forward construction method of hanging baskets of claim 2, characterized in that in step S1, three jacks of 60 tons are horizontally arranged in parallel with the front supporting legs, and the tops of the jacks are movably overlapped with the main beam.
4. The method of claim 1, wherein in step S2, the main beam is jacked up by a jack, and a new front leg is installed at the bottom of the main beam for supporting.
5. The method of claim 1, wherein in step S3, after the rear leg pressing beam and the finish rolled deformed bar anchor the rear leg and the cradle to the cast beam, the overturning force of the cradle is transmitted through the main longitudinal beam, the rear leg trip wheel, the rear leg pressing beam, the finish rolled deformed bar and the box girder.
6. The novel forward construction method of the cradle according to claim 1, wherein in step S5, the rear anchoring beam and the rear anchoring finish rolled deformed steel bar are unlocked, the main beam is jacked up by a jack to remove the original front supporting leg, the rear left-hand buckle wheel of the rear supporting leg is lapped with the main beam, the new front supporting leg roller is lapped with the main beam, and the cradle is made to advance in the advancing direction by a traction device, so that the forward movement of the cradle is achieved.
7. The novel forward construction method of the hanging basket according to claim 1, wherein in the step S6, after the hanging basket is in place, the hanging basket is fixed and positioned by using a rear anchoring beam and a finish rolling threaded rod at a rear anchoring position.
8. The novel forward construction method of the hanging basket according to claim 1, wherein the hanging basket is composed of a main beam, a front supporting leg, a rear anchoring beam, finish-rolled deformed steel bar, a front upper beam, a hanger, an inner guide beam, an outer guide beam, a rear hanger, a rear supporting leg pressing beam, a traction device, a parallel connection, a transverse connection, a rear lower beam and a front lower beam;
the steel bar post-rolling device is characterized in that one side of the main beam is installed and arranged through a rear anchoring beam and finish-rolling deformed steel bar, a front upper beam is arranged at the top of the other side of the main beam, a hanger located at the bottom of the main beam is arranged under the front upper beam, an inner guide beam and an outer guide beam are sequentially arranged at the bottom of the hanger, one side, far away from the hanger, of the inner guide beam and the outer guide beam extends into a poured beam section in a main bridge pier, a rear lower beam is arranged at the bottom of the main bridge pier, a front lower beam is arranged on the rear lower beam through a beam frame, and a rear hanger is arranged right above the rear lower beam.
9. The novel forward construction method for the hanging basket according to claim 8, wherein a front leg and a rear leg are arranged at the bottom of the main beam and are used for supporting the main beam, and a main truss upright post for stable support is arranged on the main beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210333989.2A CN114541279A (en) | 2022-03-31 | 2022-03-31 | Novel forward moving construction method for hanging basket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210333989.2A CN114541279A (en) | 2022-03-31 | 2022-03-31 | Novel forward moving construction method for hanging basket |
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| CN114541279A true CN114541279A (en) | 2022-05-27 |
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| CN202210333989.2A Pending CN114541279A (en) | 2022-03-31 | 2022-03-31 | Novel forward moving construction method for hanging basket |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173503A (en) * | 2007-11-20 | 2008-05-07 | 中铁大桥局集团第二工程有限公司 | Three-point walking single cable face cable-dragging suspension basket |
| CN102174796A (en) * | 2011-04-06 | 2011-09-07 | 湖南中铁五新钢模有限责任公司 | Cantilever casting construction cradle with underlaid main truss |
| CN113882281A (en) * | 2021-11-16 | 2022-01-04 | 中国建筑第四工程局有限公司 | Hanging basket walking system for bridge cantilever construction and operation method |
-
2022
- 2022-03-31 CN CN202210333989.2A patent/CN114541279A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173503A (en) * | 2007-11-20 | 2008-05-07 | 中铁大桥局集团第二工程有限公司 | Three-point walking single cable face cable-dragging suspension basket |
| CN102174796A (en) * | 2011-04-06 | 2011-09-07 | 湖南中铁五新钢模有限责任公司 | Cantilever casting construction cradle with underlaid main truss |
| CN113882281A (en) * | 2021-11-16 | 2022-01-04 | 中国建筑第四工程局有限公司 | Hanging basket walking system for bridge cantilever construction and operation method |
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