CN114134813A - Construction method adjacent to existing high-speed vase type pier stud protection system - Google Patents
Construction method adjacent to existing high-speed vase type pier stud protection system Download PDFInfo
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- CN114134813A CN114134813A CN202111264463.5A CN202111264463A CN114134813A CN 114134813 A CN114134813 A CN 114134813A CN 202111264463 A CN202111264463 A CN 202111264463A CN 114134813 A CN114134813 A CN 114134813A
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- 238000010276 construction Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000009194 climbing Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000011900 installation process Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a construction method for abutting an existing high-speed vase-type pier stud protection system. And assembling the protection system and the ladder climbing system on the construction platform, installing a pedestrian channel between the construction platform on the uppermost layer and the top of the ladder climbing system, and pouring front three-section pier stud concrete. Dismantling the pedestrian passageway, the protection system and the first second section of template on the uppermost layer construction platform, installing the fourth fifth section of template and the protection system on the fifth section of template, heightening the ladder stand system, installing the pedestrian passageway, and pouring concrete. The steps are repeated until pouring of the pier body concrete is completed. And (4) reserving the last section of pier body template, installing a main component pier cap template of the construction platform and a protection system on the main component pier cap template, heightening the ladder climbing system, installing a pedestrian channel, and pouring concrete. The method reduces the construction cost and improves the construction quality.
Description
Technical Field
The invention relates to a pier stud construction and protection method, in particular to a protection system adjacent to an existing high-speed vase type pier stud and a construction method.
Background
With the rapid development of the traffic industry in China, the strength of the country in the aspect of traffic infrastructure network construction is continuously increased, highway networks are continuously dense, the situation that bridges span the existing high speed and railway is more and more due to the fact that various traffic networks are distributed in a star-and-Row chess mode, and pier columns of the bridges are inevitably located on or adjacent to the existing high speed revetment in design. The key of the cross-high-speed construction is to ensure the construction quality and the construction safety and to accelerate the construction progress and reduce the influence on the existing traffic in the pier column construction process.
The invention patent with the application number of CN202011397243.5 discloses a high pier hydraulic jacking integral steel frame platform rollover construction system and a construction method, wherein the construction system comprises a hydraulic jacking system, a steel frame platform system, a template and a template lifting system. The method has good effect in the construction process of high pier stud, but has poor construction effect on the pier stud with the height of less than 25 m, particularly under the condition of adjacent existing high speed. On one hand, the pier stud is low in height, if the construction method is adopted, the economic benefit is low, meanwhile, the installation time of the construction system is long, and the influence period on the existing high speed is increased.
Disclosure of Invention
The invention aims to solve the problems of small construction surface and high safety requirement in the construction of pier stud on or adjacent to the existing high-speed slope protection, and provides a construction method adjacent to the existing high-speed vase-type pier stud protection system, which has the advantages of simple construction process, safety, reliability and easiness in operation.
The invention discloses a construction method adjacent to an existing high-speed vase type pier stud protection system, which comprises the following steps of:
step one, respectively surrounding and fixing main body components of a construction platform on a first section of template, a second section of template and a third section of template, wherein the specific installation process of the main body components of each construction platform is as follows:
fixedly connecting the inner ends of a plurality of support cross rods arranged along the horizontal direction with a connecting plate welded on a template at a corresponding position along the circumferential direction of each section of template, wherein a support diagonal is arranged below each support cross rod, the lower end of each support diagonal is fixedly connected with the connecting plate welded on the template at the corresponding position, and the outer end of each support cross rod and the upper end of one support diagonal below the support cross rod are fixedly connected with the lower part of one support vertical rod arranged along the vertical direction;
hoisting and fixing a pier stud reinforcement cage on the bearing platform reinforcement embedded bars, and hoisting a first section of template, a second section of template and a third section of template provided with a main body part of the construction platform by using a truck crane after the strength of the bearing platform concrete meets the requirement; sequentially mounting a first section of template, a second section of template and a third section of template from bottom to top in the circumferential direction of the outer wall of the pier stud reinforcement cage, wherein the upper section of template is supported on the lower section of template and is fixedly connected with the lower section of template through bolts;
thirdly, fixing a plurality of reinforcing steel bar cross rods on a plurality of support vertical rods of each construction platform at intervals up and down along the horizontal direction; a wood board steel wire mesh is laid on the support cross rod of the uppermost construction platform, and the steel wire mesh is bound on the support vertical rod to form a protection system;
step four, assembling the frame type safety ladder cage, and the specific process is as follows:
fixedly connecting a plurality of sections of frame-type safety ladder cages which are transported to a construction site after being processed in a factory up and down through bolts, respectively installing a ladder climbing structure in each section of frame-type safety ladder cage, connecting the ladder climbing structures in two sections of frame-type safety ladder cages which are connected up and down, and respectively fixing ladder cage protection net sheets at the four wall positions of each section of frame-type safety ladder cage;
fifthly, a pedestrian passageway is arranged between the construction platform on the uppermost layer and the top of the ladder climbing system;
sixthly, coating release agents on the inner walls of the first section of template, the second section of template and the third section of template, and then pouring concrete in the first section of template, the second section of template and the third section of template;
step seven, after the concrete strength reaches the design requirement, dismantling the pedestrian passageway, the wood plate laid on the support cross rod of the uppermost construction platform, the first section of template and the second section of template, and reserving the third section of template;
step eight, polishing the removed first section of template and the second section of template, and coating a release agent on the inner wall; hoisting the first section of template to a fourth section of template position above the third section of template by using a crane, supporting the first section of template serving as the fourth section of template on the third section of template and connecting the first section of template and the third section of template by using bolts, moving the second section of template serving as the fifth section of template to a fifth section of template position above the fourth section of template, and supporting the fifth section of template on the fourth section of template and connecting the fifth section of template and the fourth section of template by using bolts;
step nine, finishing the assembly of a construction platform at the position of a fifth section of template by adopting the method of the step three, hoisting a new section of frame-type safety ladder cage to the top wall of the frame-type safety ladder cage of the step four, connecting and fixing, and then installing a pedestrian passageway between the uppermost construction platform and the top of the new frame-type safety ladder cage according to the method of the step five;
step ten, repeating the method from the step six to the step nine until the pier body construction is finished;
step eleven, reserving the uppermost section of template, and dismantling the rest sections of templates;
step twelve, polishing the pier cap template, coating a release agent on the inner wall, then hoisting the pier cap template, cleaning the upper and lower butt joint surfaces of the pier cap template and the retained uppermost template, adding a grout stopping adhesive tape for butt joint and fixing, and finally finishing the assembly of the construction platform at the pier cap template by adopting the method of the step three;
step thirteen, hoisting the new section of the frame-type safety ladder cage to the top wall of the frame-type safety ladder cage, connecting and fixing, and then installing a pedestrian passageway between the uppermost construction platform and the top of the new frame-type safety ladder cage according to the method of the step five;
and fourteen, pouring concrete in the pier cap template.
The invention has the beneficial effects that: the problems of small construction working face, high safety requirement and long influence time on the existing traffic in the construction process of the pier stud on the existing high-speed slope protection or adjacent to the existing high-speed slope protection can be effectively solved, and the construction process is simple, safe, reliable and easy to operate. The material cost is saved, the construction period is shortened, the construction quality is improved, the construction cost is reduced, the time of high-altitude operation is effectively shortened, the construction safety is improved, and meanwhile, the influence on the existing high speed is effectively reduced to the minimum.
Drawings
Fig. 1 is a schematic view of a pier body section bracket arrangement;
fig. 2 is a schematic structural view of a pier stud protection system;
FIG. 3 is a schematic structural view of a frame-type safety ladder cage;
fig. 4 is a front enlarged schematic view of the frame type safety ladder cage.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1 to 4, a construction method of the present invention adjacent to an existing high-speed vase-type pier stud protection system comprises the steps of:
step one, respectively surrounding and fixing a main body component of a construction platform on a first section of template 1, a second section of template and a third section of template, wherein the specific installation process of the main body component of each construction platform is as follows:
fixedly connecting the inner ends of a plurality of support cross rods 2 arranged along the horizontal direction with a connecting plate 6 welded on a template at a corresponding position along the circumferential direction of each section of template, wherein a support diagonal strut 5 is arranged below each support cross rod 2, the lower end of each support diagonal strut 5 is fixedly connected with the connecting plate 6 welded on the template at the corresponding position, and the outer end of each support cross rod 2 and the upper end of one support diagonal strut 5 below the support cross rod 2 are fixedly connected with the lower part of a support vertical rod 3 arranged along the vertical direction;
hoisting and fixing a pier stud reinforcement cage on the bearing platform reinforcement embedded bars, and hoisting a first section of template, a second section of template and a third section of template provided with a main body part of the construction platform by using a truck crane after the strength of the bearing platform concrete meets the requirement; sequentially mounting a first section of template, a second section of template and a third section of template from bottom to top in the circumferential direction of the outer wall of the pier stud reinforcement cage, wherein the upper section of template is supported on the lower section of template and is fixedly connected with the lower section of template through bolts;
and thirdly, fixing a plurality of reinforcing steel bar cross rods 9 on the plurality of support vertical rods 3 of each construction platform at intervals up and down along the horizontal direction, wherein two ends of each reinforcing steel bar cross rod 9 can be connected with the support vertical rods 3 at the end parts in an inserting manner through preformed holes (the diameter can be 3cm) in the support vertical rods of the platform in order to facilitate connection. And a wood plate 7 and a steel wire mesh 8 are laid on the support cross rod 2 of the uppermost construction platform, and the steel wire mesh is bound on the support vertical rod 3 by a steel wire to form a protection system.
Step four, assembling the frame type safety ladder cage, and the specific process is as follows:
and the multi-section frame type safety ladder cage which is transported to a construction site after being processed in a factory is fixedly connected up and down through bolts. And a ladder stand structure is respectively arranged in each section of frame type safety ladder cage. Ladder structures in two sections of frame-type safety ladder cages which are connected up and down are connected with each other, the height of each section of frame-type safety ladder cage is usually two meters, and ladder cage protection net sheets are fixed at the positions of four walls of each section of frame-type safety ladder cage respectively.
Fifthly, a pedestrian passageway is arranged between the construction platform on the uppermost layer and the top of the ladder climbing system;
as an embodiment of the invention, the specific process is as follows:
firstly, paving a channel wood board 18 between a framework cross bar 10 of an uppermost section of frame type safety ladder cage and a support cross bar 2 of an uppermost construction platform;
secondly, the front row and the rear row of guardrail steel pipes 19 are respectively arranged on the front side and the rear side of the channel wood plate 18, each row of guardrail steel pipes 19 comprises a plurality of guardrail steel pipes arranged along the horizontal direction, one end of each guardrail steel pipe is fixedly connected with a framework vertical rod 11 of the uppermost section of frame-type safety ladder cage of the ladder climbing system, and the other end of each guardrail steel pipe is fixedly connected with a support vertical rod 3 of a platform on the uppermost part;
thirdly, connecting a protective barrier on the outer wall of each row of the guardrail steel pipes 19 along the horizontal direction and fixing a dense mesh net 20 to prevent falling;
sixthly, coating release agents on the inner walls of the first section of template, the second section of template and the third section of template, and then pouring concrete in the first section of template, the second section of template and the third section of template;
step seven, after the concrete strength reaches the design requirement, dismantling the pedestrian passageway, the wood plate laid on the support cross rod of the uppermost construction platform, the first section of template and the second section of template, and reserving the third section of template;
step eight, polishing the removed first section of template and the second section of template, and coating a release agent on the inner wall; hoisting the first section of template to a fourth section of template position above the third section of template by using a crane, supporting the first section of template serving as the fourth section of template on the third section of template and connecting the first section of template and the third section of template by using bolts, moving the second section of template serving as the fifth section of template to a fifth section of template position above the fourth section of template, and supporting the fifth section of template on the fourth section of template and connecting the fifth section of template and the fourth section of template by using bolts; preferably, when the templates in the step are installed, the abutting surfaces of the upper and lower templates are cleaned and filled with the grout stopping adhesive tape;
and step nine, finishing the assembly of the construction platform at the position of the fifth section of template by adopting the method of the step three. Hoisting the new section of the frame-type safety ladder cage to the top wall of the frame-type safety ladder cage in the fourth step, connecting and fixing, and then installing a pedestrian passageway between the uppermost construction platform and the top of the new frame-type safety ladder cage according to the method in the fifth step;
step ten, repeating the method from the step six to the step nine until the pier body construction is finished;
step eleven, reserving the uppermost section of template, and dismantling the rest sections of templates;
and step twelve, polishing the pier cap template, coating a release agent on the inner wall, then hoisting the pier cap template, cleaning the upper and lower butt joint surfaces of the pier cap template and the retained uppermost template, adding a grout stopping adhesive tape for butt joint and fixing, and finally completing the assembly of the construction platform at the pier cap template by adopting the method of the step three.
Step thirteen, hoisting the new section of the frame-type safety ladder cage to the top wall of the frame-type safety ladder cage, connecting and fixing, and then installing a pedestrian passageway between the uppermost construction platform and the top of the new frame-type safety ladder cage according to the method of the step five;
and fourteen, pouring concrete in the pier cap template.
As an implementation mode of the invention, each section of the frame-type safety ladder cage comprises framework vertical rods 11 arranged at four corners of a rectangular structure, a plurality of framework cross rods 10 are fixed between every two adjacent framework vertical rods 11 at intervals up and down along the horizontal direction, framework inclined struts 12 are respectively fixed at diagonal positions of a single region enclosed by every two adjacent framework cross rods up and down and every two framework vertical rods 11 connected with the two framework cross rods, and the upper end and the lower end of each ladder cage protection mesh 13 are fixedly connected with the upper framework cross rod 10 and the lower framework cross rod 10 in each single region through ladder cage protection mesh connecting plates 15. The vertical bars 11 of the framework type safety ladder cage are fixedly connected through a ladder cage framework connecting plate 14.
The ladder stand structure comprises ladder steps 17 which are respectively arranged in each section of the frame-type safety ladder cage along the inclined direction, the upper side and the lower side of each ladder step 17 are respectively fixedly connected with one end of a pedal 16 arranged along the horizontal direction, and the other ends of the two pedals 16 are respectively fixed on the framework cross rod 10 at the corresponding position of each section of the frame-type safety ladder cage.
The structure prepared by the method of the invention is as follows: the construction platform comprises three construction platforms, a ladder system and a pedestrian passage connected between the uppermost construction platform and the top of the ladder system, wherein the three construction platforms are arranged at intervals up and down and are respectively arranged along the circumferential direction of the outer walls of a first section of template, a second section of template and a third section of template and fixed on the outer walls of the first section of template, the second section of template and the third section of template, the first section of template, the second section of template and the third section of template are respectively connected and installed at the outer wall of a constructed pier column reinforcement cage from bottom to top and are all arranged along the circumferential direction of the pier column reinforcement cage, each construction platform comprises a plurality of support cross rods 2 arranged along the horizontal direction, a support inclined strut 5 is arranged below each support cross rod 2, the inner end of each support cross rod 2 and the lower end of each support inclined strut 5 are fixedly connected with a connecting plate 6 welded on the template at the corresponding position, the upper end of a support bracing 5 of the outer end of each support horizontal pole 2 and this support horizontal pole 2 below all links to each other with a support montant 3's that sets up along vertical direction lower part is fixed, is located many support montants 3 of each side of pier stud steel reinforcement cage and goes up along the horizontal direction from top to bottom the interval and be fixed with many reinforcing bar horizontal poles 9, for connecting, each reinforcing bar horizontal pole 9's both ends can with the support montant 3 of tip between through the grafting connection. The support cross rod 2 of the construction platform on the uppermost layer is paved with a wood plate 7, and the support vertical rod 3 of the construction platform on the uppermost layer is bound with a steel wire mesh 8 through a steel wire to form a protection system.
The ladder climbing system comprises a plurality of sections of frame-type safety ladder cages which are connected up and down, and ladder climbing structures are respectively arranged in each section of frame-type safety ladder cage. Ladder structures in the multi-section framework type safety ladder cage connected up and down are connected with each other, and ladder cage protection net pieces 13 are fixed at the four wall positions of each section of framework type safety ladder cage respectively.
The pedestrian passageway including lay passageway plank 18 between the skeleton horizontal pole 10 of the frame-type safety ladder cage of the uppermost section and the support horizontal pole 2 of a construction platform on the top, two rows of guardrail steel pipes 19 set up both sides around passageway plank 18 respectively in the front and back, each guardrail steel pipe 19 includes the many guardrail steel pipes that set up along the horizontal direction, the one end of each guardrail steel pipe is fixed continuous with the skeleton montant 11 of the frame-type safety ladder cage of the uppermost section of cat ladder system and the other end is fixed continuous with the support montant 3 of a construction platform on the top, be connected with the protection railing and prevent to fall around having dense mesh along vertical direction on the outer wall of each row of guardrail steel pipe 19.
Claims (5)
1. A construction method adjacent to an existing high-speed vase type pier stud protection system is characterized by comprising the following steps:
step one, respectively surrounding and fixing main body components of a construction platform on a first section of template, a second section of template and a third section of template, wherein the specific installation process of the main body components of each construction platform is as follows:
fixedly connecting the inner ends of a plurality of support cross rods (2) arranged along the horizontal direction with a connecting plate (6) welded on the template at a corresponding position along the circumferential direction of each section of template, wherein a support diagonal is arranged below each support cross rod, the lower end of each support diagonal is fixedly connected with the connecting plate welded on the template at the corresponding position, and the outer end of each support cross rod and the upper end of one support diagonal below the support cross rod are fixedly connected with the lower part of a support vertical rod (3) arranged along the vertical direction;
hoisting and fixing a pier stud reinforcement cage on the bearing platform reinforcement embedded bars, and hoisting a first section of template, a second section of template and a third section of template provided with a main body part of the construction platform by using a truck crane after the strength of the bearing platform concrete meets the requirement; sequentially mounting a first section of template, a second section of template and a third section of template from bottom to top in the circumferential direction of the outer wall of the pier stud reinforcement cage, wherein the upper section of template is supported on the lower section of template and is fixedly connected with the lower section of template through bolts;
thirdly, a plurality of reinforcing steel bar cross rods (9) are fixed on a plurality of support vertical rods (3) of each construction platform at intervals up and down along the horizontal direction; a wood board (7) and a steel wire mesh (8) are laid on the support cross rod (2) of the uppermost construction platform, and the steel wire mesh is bound on the support vertical rod by steel wires to form a protection system;
step four, assembling the frame type safety ladder cage, and the specific process is as follows:
fixedly connecting a plurality of sections of frame-type safety ladder cages which are transported to a construction site after being processed in a factory up and down through bolts, respectively installing a ladder climbing structure in each section of frame-type safety ladder cage, connecting the ladder climbing structures in two sections of frame-type safety ladder cages which are connected up and down, and respectively fixing ladder cage protection net sheets at the four wall positions of each section of frame-type safety ladder cage;
fifthly, a pedestrian passageway is arranged between the construction platform on the uppermost layer and the top of the ladder climbing system;
sixthly, coating release agents on the inner walls of the first section of template, the second section of template and the third section of template, and then pouring concrete in the first section of template, the second section of template and the third section of template;
step seven, after the concrete strength reaches the design requirement, dismantling the pedestrian passageway, the wood plate laid on the support cross rod of the uppermost construction platform, the first section of template and the second section of template, and reserving the third section of template;
step eight, polishing the removed first section of template and the second section of template, and coating a release agent on the inner wall; hoisting the first section of template to a fourth section of template position above the third section of template by using a crane, supporting the first section of template serving as the fourth section of template on the third section of template and connecting the first section of template and the third section of template by using bolts, moving the second section of template serving as the fifth section of template to a fifth section of template position above the fourth section of template, and supporting the fifth section of template on the fourth section of template and connecting the fifth section of template and the fourth section of template by using bolts;
step nine, finishing the assembly of a construction platform at the position of a fifth section of template by adopting the method of the step three, hoisting a new section of frame-type safety ladder cage to the top wall of the frame-type safety ladder cage of the step four, connecting and fixing, and then installing a pedestrian passageway between the uppermost construction platform and the top of the new frame-type safety ladder cage according to the method of the step five;
step ten, repeating the method from the step six to the step nine until the pier body construction is finished;
step eleven, reserving the uppermost section of template, and dismantling the rest sections of templates;
step twelve, polishing the pier cap template, coating a release agent on the inner wall, then hoisting the pier cap template, cleaning the upper and lower butt joint surfaces of the pier cap template and the retained uppermost template, adding a grout stopping adhesive tape for butt joint and fixing, and finally finishing the assembly of the construction platform at the pier cap template by adopting the method of the step three;
step thirteen, hoisting the new section of the frame-type safety ladder cage to the top wall of the frame-type safety ladder cage, connecting and fixing, and then installing a pedestrian passageway between the uppermost construction platform and the top of the new frame-type safety ladder cage according to the method of the step five;
and fourteen, pouring concrete in the pier cap template.
2. The construction method of adjacent existing high-speed vase-type pier column protection system according to claim 1, wherein: the concrete process of the step five is as follows:
firstly, paving a channel wood board (18) between a framework cross bar (10) of an uppermost section of frame type safety ladder cage and a support cross bar (2) of a construction platform on the uppermost part;
secondly, a front row and a rear row of guardrail steel pipes (19) are respectively arranged on the front side and the rear side of the channel wood board, each row of guardrail steel pipes comprises a plurality of guardrail steel pipes arranged along the horizontal direction, one end of each guardrail steel pipe is fixedly connected with a framework vertical rod (11) of the uppermost section of frame-type safety ladder cage of the ladder climbing system, and the other end of each guardrail steel pipe is fixedly connected with a support vertical rod of a platform on the uppermost part;
and thirdly, connecting the protective railings on the outer wall of each row of the guardrail steel pipes along the horizontal direction and fixing the dense mesh net to prevent falling.
3. The construction method of the adjacent existing high-speed vase-type pier stud protection system according to claim 1 or 2, wherein: and e, cleaning the butt joint surfaces of the upper and lower layers of templates during the installation of the templates in the step eight, and filling the grout stopping adhesive tape.
4. The construction method of adjacent existing high-speed vase-type pier column protection system according to claim 3, wherein: each section frame-type safety ladder cage including setting up the skeleton montant in rectangular structure four corners department, be fixed with many skeleton horizontal poles (10) along the horizontal direction interval from top to bottom between two adjacent skeleton montants, be fixed with skeleton bracing (12) respectively in the diagonal position department in the single region that two adjacent skeleton horizontal poles and two skeleton montants that link to each other from top to bottom, ladder cage protection net piece connecting plate (15) and each are passed through at the upper and lower both ends of each ladder cage protection net piece upper and lower skeleton horizontal pole fixed connection in the single region, upper and lower two sections frame-type safety ladder cage's skeleton montant between link to each other through ladder cage skeleton connecting plate (14) are fixed.
5. The construction method of adjacent existing high-speed vase-type pier column protection system according to claim 4, wherein: the ladder stand structure comprises ladder steps (17) which are respectively arranged in each section of the frame-type safety ladder cage along the inclined direction, the upper side and the lower side of each ladder step are respectively fixedly connected with one end of a pedal arranged along the horizontal direction, and the other ends of the two pedals are respectively fixed on a framework cross rod at the corresponding position of each section of the frame-type safety ladder cage.
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| CN202111264463.5A CN114134813B (en) | 2021-10-28 | 2021-10-28 | Construction method of adjacent existing high-speed vase type pier column protection system |
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| CN202111264463.5A CN114134813B (en) | 2021-10-28 | 2021-10-28 | Construction method of adjacent existing high-speed vase type pier column protection system |
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| CN114134813B CN114134813B (en) | 2024-03-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113388A (en) * | 2015-09-18 | 2015-12-02 | 宁波交通工程建设集团有限公司 | Formwork and bracket combining structure of vase pier of viaduct and application method |
| CN105297635A (en) * | 2015-08-10 | 2016-02-03 | 陈修缘 | Assembled lifting type construction platform for pier column construction and construction method thereof |
| CN106192758A (en) * | 2016-07-15 | 2016-12-07 | 中建五局第三建设有限公司 | Construction method for constructing large high pier column by using cantilever formwork |
| CN107178037A (en) * | 2017-05-31 | 2017-09-19 | 中交二公局第工程有限公司 | The outer frame connecting structure of trestle vase-shaped column-type pier pier shaft and its construction technology |
| CN108360380A (en) * | 2018-01-18 | 2018-08-03 | 中建三局第建设工程有限责任公司 | A kind of bridge pier column construction operation platform and its construction method |
| CN210315224U (en) * | 2019-03-29 | 2020-04-14 | 中铁十四局集团第一工程发展有限公司 | High mound turns over mould construction safety passageway system |
| CN113293694A (en) * | 2021-07-01 | 2021-08-24 | 中交二航局第四工程有限公司 | Rollover frame structure for efficient pier body construction and construction process |
-
2021
- 2021-10-28 CN CN202111264463.5A patent/CN114134813B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297635A (en) * | 2015-08-10 | 2016-02-03 | 陈修缘 | Assembled lifting type construction platform for pier column construction and construction method thereof |
| CN105113388A (en) * | 2015-09-18 | 2015-12-02 | 宁波交通工程建设集团有限公司 | Formwork and bracket combining structure of vase pier of viaduct and application method |
| CN106192758A (en) * | 2016-07-15 | 2016-12-07 | 中建五局第三建设有限公司 | Construction method for constructing large high pier column by using cantilever formwork |
| CN107178037A (en) * | 2017-05-31 | 2017-09-19 | 中交二公局第工程有限公司 | The outer frame connecting structure of trestle vase-shaped column-type pier pier shaft and its construction technology |
| CN108360380A (en) * | 2018-01-18 | 2018-08-03 | 中建三局第建设工程有限责任公司 | A kind of bridge pier column construction operation platform and its construction method |
| CN210315224U (en) * | 2019-03-29 | 2020-04-14 | 中铁十四局集团第一工程发展有限公司 | High mound turns over mould construction safety passageway system |
| CN113293694A (en) * | 2021-07-01 | 2021-08-24 | 中交二航局第四工程有限公司 | Rollover frame structure for efficient pier body construction and construction process |
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