CN114855588A - Temporary construction transfer platform ramp trestle combination - Google Patents
Temporary construction transfer platform ramp trestle combination Download PDFInfo
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- CN114855588A CN114855588A CN202210390686.4A CN202210390686A CN114855588A CN 114855588 A CN114855588 A CN 114855588A CN 202210390686 A CN202210390686 A CN 202210390686A CN 114855588 A CN114855588 A CN 114855588A
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 155
- 239000010959 steel Substances 0.000 claims abstract description 155
- 210000001503 joint Anatomy 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 238000005204 segregation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004804 winding Methods 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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey 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
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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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- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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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
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a temporary construction transfer platform ramp trestle combination, which comprises a trestle ramp and a trestle transfer platform butted with one end of the trestle ramp, wherein the trestle ramp comprises a ramp pile support, a ramp steel truss assembly and a ramp bridge deck assembly which are arranged from bottom to top, the ramp bridge deck assembly comprises a ramp distribution beam and a ramp bridge deck steel plate, the trestle transfer platform comprises a platform pile support, a platform steel truss assembly and a platform bridge deck assembly, the platform bridge deck assembly comprises a platform distribution beam and a platform bridge deck steel plate, the platform pile support and the ramp pile support are respectively composed of superfluid concrete poured in a bottom drilling hole and a steel pipe pile vertically sunk into the superfluid concrete, the lower part of the steel pipe pile is welded and wound with a spiral stirrup, the top height of the steel pipe pile supported by the ramp pile support is gradually increased from front to back to form a smooth slope, and the temporary construction transfer platform ramp trestle combination has the advantages of small integral occupied area, flexible structural arrangement, and flexible construction, The safety coefficient is high, extensive applicability, the flexibility is strong, shorten construction period, advantage such as structure safety and stability.
Description
Technical Field
The invention belongs to the technical field of building construction trestles, and particularly relates to a temporary construction transfer platform ramp trestle combination.
Background
Along with the vigorous development of economy in China, more and more large-scale and extra-large-scale urban complex buildings are produced, the complex buildings generally have the defects of superior geographic position, large volume, tight construction period, narrow construction site, deep foundation pit, cross construction of each specialty, complex working condition and the like, the soil ramp is frequently used in the basement construction stage, but the traditional land occupation is large, the construction of a large-area structure is limited by the soil ramp, the construction and deployment are severely limited, the dust raising of the traditional soil ramp is difficult to control, the influence of severe weather such as rain and snow is large, the later-period dismantling construction difficulty is large, the construction period is long, and the limitation on the overall construction period is serious; if the steel trestle is adopted for material transportation and unearthed ramp, the steel trestle in the prior art only extends towards the same direction, and the direction of the trestle can be changed without a transit platform, so that the direction of traffic organization is limited; the steel landing stage safety slope receives the place to influence greatly, and prior art does not have superstructure and the associated device that traffic load carried on supporting about the steel landing stage of heavy grade, and the steel landing stage of heavy grade appears superstructure and traffic load easily in the work progress and supports not enough, the overweight steel pipe bottom of superelevation supports the difficult problem of reinforcement, and the construction degree of difficulty is high, the progress is slow, if the rock layer is unstable or soil is soft, the firm degree of steel landing stage is low, and the safety risk is big.
Disclosure of Invention
The invention aims to provide a temporary construction transfer platform ramp trestle combination which is high in trestle stability and safety, solves the problems that a traditional soil ramp is large in occupied area, not flexible in arrangement and influenced by weather factors, solves the problem that the direction of the trestle can be changed without a transfer platform in the existing steel trestle, and solves the problems that the support stability of the steel trestle is insufficient and the safety risk is high.
Therefore, the technical scheme adopted by the invention is as follows: a temporary construction transfer platform ramp trestle combination comprises a trestle ramp and a trestle transfer platform butted with one end of the trestle ramp, wherein the trestle ramp comprises a ramp pile support, a ramp steel truss assembly and a ramp bridge deck assembly which are arranged from bottom to top, the ramp bridge deck assembly comprises a ramp distribution beam and a ramp bridge deck steel plate welded and erected on the ramp distribution beam, the trestle transfer platform comprises a platform pile support, a platform steel truss assembly and a platform bridge deck assembly which are arranged from bottom to top, the platform bridge deck assembly comprises a platform distribution beam and a platform bridge deck steel plate welded and erected on the platform distribution beam, the platform pile support and the ramp pile support are composed of superfluid concrete poured in a bottom drilling hole and steel pipe piles vertically sunk into the superfluid concrete, the lower part of each steel pipe pile is welded and wound with a spiral stirrup, the top height of each steel pipe pile supported by the ramp pile sequentially forms a smooth gradient from front to back, the rear end of a ramp of the trestle is aligned with any orientation of a transfer platform of the trestle, the rear end of a steel plate of the bridge deck of the ramp is bent to be in a horizontal state capable of being butted with any orientation of the steel plate of the bridge deck of the platform, a butting positioning device is arranged at the butting position, and an X-shaped horizontal and vertical connecting rod is arranged between adjacent steel pipe piles supported by the pile of the platform.
Preferably, the ramp steel truss assembly and the platform steel truss assembly are both composed of a transverse main steel beam and a steel truss built on the transverse main steel beam, the steel truss is formed by splicing Bailey beams in an end-to-end mode, the Bailey beams are spliced in an end-to-end mode through high-strength hinge pins, and adjacent Bailey beams are firmly connected and are convenient to install; the steel truss in the ramp steel truss assembly is connected with the transverse main steel beam in a reinforcing mode through a first limiting device, and the steel truss in the platform steel truss assembly is connected with the transverse main steel beam in a reinforcing mode through a second limiting device, so that the strong structural stability between the steel truss and the transverse main steel beam is guaranteed; the structural layer is connected, and stability is strong, and construction process is succinct easy going, and the installation is demolishd conveniently, can promote the construction progress by a wide margin through trestle ramp temporary construction, effectively shortens construction cycle.
Further preferably, the steel-pipe pile bilateral symmetry sets up and is equipped with the guy rope and carries out dynamic adjustment through guy rope drawknot mode to the pile body straightness that hangs down when sinking, effectively ensures that the steel-pipe pile is in the vertical state when sinking, guarantees that the support steadiness is good, and the steel-pipe pile top is equipped with the notch and supplies horizontal main girder steel embedding installation, horizontal main girder steel is provided with the gusset with steel-pipe pile handing-over department, effectively promotes the structural stability.
Further preferably, the adjacent edges of the ramp bridge deck steel plate and the platform bridge deck steel plate are provided with protective railings, the height of each protective railing is 1 m-1.2 m, I25I-shaped steel with the interval of 1.8 m-2 m is adopted as an upright post to be vertically welded on the bridge deck steel plate, the protective effect of the protective railings is guaranteed, protective measures are added, and the life safety of constructors is protected.
Further preferably, the steel-pipe pile is formed by splicing the steel pipes end to end, and spare plates are arranged around the splicing position of the pile body and used for keeping the overall rigidity of the steel-pipe pile, the spare plates are integrally annular and are welded and sleeved at the splicing position of the steel-pipe pile, the annular installation is convenient, the structural stability of the splicing position of the steel-pipe pile is improved, two hoisting snap ring installation holes are symmetrically arranged on the pipe wall of the top of the steel-pipe pile, the operation and installation of constructors are facilitated, and the installation and construction time is effectively saved.
Further preferably, ramp bridge floor steel sheet and platform bridge floor steel sheet upper surface all are provided with antiskid, antiskid adopts the shear force nail of array arrangement, and antiskid is effectual, guarantees constructor's personal safety, avoids slipping down the injury, and factor of safety is high, stops the potential safety hazard.
Further preferably, ramp bridge floor steel sheet and platform bridge floor steel sheet upper surface all are provided with antiskid, antiskid adopts the anti-skidding reinforcing bar of transversely laying, and simple to operate is swift when anti-skidding effectual, prevents that the driving from sliding.
Further preferably, the butt joint positioning device adopts a U-shaped lock, and the U-shaped lock is locked and fixed after penetrating through a ramp bridge deck steel plate and a platform bridge deck steel plate at a butt joint part, so that the positioning is convenient and fast, and the structural stability is further improved.
The invention has the beneficial effects that:
(1) compare in traditional soil ramp, the whole area that takes up of ramp pile support, ramp steel truss assembly and the ramp bridge floor assembly that set up from down up is little, the structural arrangement is nimble, can effectual release can release working face and the space that can supply the structure construction in the at utmost, the construction deployment of being convenient for.
(2) The high steel-pipe pile top that the ramp pile supported increases progressively from the front backward one by one and forms the level and smooth slope, can support high regulation slope through adjusting the ramp pile, guarantees the reasonable slope of ramp, and the slope is moderate, and extensive applicability, the flexibility is strong, effectively improves construction environment behind the formation level and smooth ramp landing stage.
(3) The rear end of the trestle ramp is flush with any orientation of the trestle transfer platform, so that the direction of the trestle ramp is convenient to change, the flexibility is strong, the practicability is high, and the second bench ramp steel trestle can be extended to other orientations under the condition that the design and calculation are allowed, so that the purpose that any corner of a construction site can be smoothly organized and transported is achieved; landing stage transfer platform has been solved because of the construction site is narrow and small, and under the condition in ultra-deep foundation ditch, the folk prescription sets up the slope too steeply to the steel landing stage, and the condition that the transportation risk is high, landing stage transfer platform can prolong the whole length of steel landing stage indirectly, reduces the slope, ensures whole transportation safety.
(4) The platform pile support and the ramp pile support are both composed of superfluid concrete poured in a bottom drill hole and a steel pipe pile vertically sunk into the superfluid concrete, the superfluid concrete is poured, the superfluid concrete has good fluidity, a concrete mixture can be filled with a model and wrapping steel bars without vibrating depending on self weight, steel pipe support reinforcement measures are not required to be considered, and after the steel pipe pile is sunk, the steel pipe reinforcement can be realized by using the wrapping force of the concrete and spiral stirrups outside the steel pipe; the concrete has good construction performance and filling performance, the aggregate is not separated, and the hardened concrete has good mechanical property and durability.
(5) Spiral stirrup passes through the welding winding in the steel-pipe pile lower part, effectively prevents the basis fracture, promotes the wholeness of steel pipe and concrete, and the lower part of steel-pipe pile sinks perpendicularly and puts into in the superfluid concrete who pours, and easy operation effectively reduces the cost of labor, reduction construction period, assurance structure safety and stability.
In conclusion, the construction method has the advantages of small overall occupied area, flexible structural arrangement, high safety factor, wide applicability, strong flexibility, construction period shortening, safe and stable structure and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a pile support.
Fig. 3 is a partially enlarged view of fig. 2 at C.
Fig. 4 is a front view of the trestle ramp a.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a schematic structural diagram of a transfer platform B in a trestle.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-6, a temporary construction transfer platform ramp trestle assembly comprises a trestle ramp a and a trestle transfer platform B butted with one end of the trestle ramp a.
Fig. 4 shows a front view of a trestle ramp a, which is composed of a ramp pile support 1, a ramp steel truss assembly 2 and a ramp bridge deck assembly 3 arranged from bottom to top.
The ramp deck assembly 3 is composed of a ramp distribution beam 31 and a ramp deck steel plate 32 welded and overlapped on the ramp distribution beam 31.
Fig. 6 shows a schematic structural diagram of a bridge transfer platform B, which is composed of a platform pile support 5, a platform steel truss assembly 6 and a platform bridge deck assembly 7 arranged from bottom to top.
The platform deck assembly 7 is composed of a platform distribution beam 71 and a platform deck steel plate 72 horizontally welded and lapped on the platform distribution beam 71.
The platform pile support 5 and the ramp pile support 1 are composed of superfluid concrete 8 poured in a bottom drill hole and a steel pipe pile 9 vertically sunk into the superfluid concrete 8.
The steel-pipe pile 9 bilateral symmetry sets up and is equipped with the cable wind rope and through cable wind rope drawknot mode to the pile body straightness that hangs down when sinking go on dynamic adjustment, and steel-pipe pile 9 top is equipped with the notch and supplies horizontal main girder steel 10 embedding installation, and horizontal main girder steel 10 is provided with the stiffened plate with steel-pipe pile 9 handing-over department.
The steel-pipe pile 9 is formed by the end-to-end concatenation of steel pipe to set up at the concatenation department of pile body all around and be equipped with the board and be used for keeping steel-pipe pile bulk rigidity, it is cyclic annular to be equipped with the board wholly, and the welding suit is in the concatenation department of steel-pipe pile 9, and steel-pipe pile 9 top pipe wall symmetry sets up two hoist and mount snap ring mounting holes.
The lower part of the steel pipe pile 9 is welded and wound with a spiral stirrup 91.
The height of the top of the steel pipe pile 9 of the ramp pile support 1 is gradually increased from front to back to form a smooth slope, so that the rear end of the ramp A of the trestle is flush with any orientation of the transfer platform B of the trestle.
The rear end of the ramp deck steel plate 32 is bent to a horizontal state capable of being butted with any one direction of the platform deck steel plate 72, and a butting positioning device is arranged at the butted position.
The adjacent edges of the ramp bridge deck steel plate 32 and the platform bridge deck steel plate 72 are both provided with protective railings 13, the height of each protective railing 13 is 1-1.2 m, and I25I-shaped steel with the interval of 1.8-2 m is adopted as an upright post to be vertically welded on the bridge deck steel plate.
Ramp bridge floor steel sheet 32 and platform bridge floor steel sheet 72 upper surface all are provided with antiskid, antiskid can adopt the shear force nail of array arrangement, guarantees constructor's personal safety, avoids slipping the injury, and factor of safety is high, stops the potential safety hazard.
Ramp bridge floor steel sheet 32 and platform bridge floor steel sheet 72 upper surface all are provided with antiskid, antiskid also can adopt the anti-skidding reinforcing bar of horizontal laying, and simple to operate is swift when anti-skidding effectual, prevents that the driving from sliding.
The butt joint positioning device adopts a U-shaped lock, and simultaneously passes through the ramp bridge deck steel plate 32 and the platform bridge deck steel plate 72 at the butt joint part to be locked and fixed.
An X-shaped horizontal longitudinal link 51 is arranged between the adjacent steel pipe piles 9 of the platform pile support 5.
The ramp steel truss assembly 2 and the platform steel truss assembly 6 are composed of a transverse main steel beam 10 and a steel truss 11 built on the transverse main steel beam 10.
The steel truss 11 is formed by splicing Bailey beams end to end, and the Bailey beams are spliced end to end through high-strength pin shafts.
The steel truss 11 in the ramp steel truss assembly 2 is connected with the transverse main steel beam 10 in a reinforcing mode through the first limiting device 4.
Steel trestle truss stop device 4 comprises spacing steel sheet, wedge steel sheet, holder and gag lever post, and spacing steel sheet comprises a top and two lateral walls, and the lower chord top of bei lei roof beam is located at its top, and outside the double-phase offside of the lower chord of bei lei roof beam was located to its two lateral walls, and the lateral wall is connected with horizontal main girder steel 10, and the wedge steel sheet is located between the lower chord of bei lei roof beam and horizontal main girder steel 10.
The holder is connected with the lower chord detachable of beiLei roof beam, and gag lever post one end is connected with the holder, and the other end and horizontal main girder steel 10 butt or keep the interval.
And a steel truss 11 in the platform steel truss assembly 6 is connected with the transverse main steel beam 10 in a reinforcing manner through a second limiting device 12.
The second limiting device 12 is a U-shaped limiting steel plate and locks the lower chord of the Bailey beam and the transverse main steel beam 10.
And then moving the rotary drilling rig to an appointed position according to the released pile position, and drilling by the rotary drilling rig.
When the drilling depth reaches the design depth, the superfluid concrete 8 is poured, and the chute is utilized for pouring during pouring, so that the segregation caused by the ultrahigh falling height of the concrete in the pouring process is avoided.
The crane is used for lifting the steel pipe pile 9 to sink to the bottom of the hole, and the perpendicularity of the steel pipe pile 9 needs to be dynamically adjusted in a cable rope tying mode in the process that the steel pipe of the steel pipe pile 9 sinks.
The Bailey beams are spliced into a single-layer single-row combination in advance, and then the Bailey trusses are spliced end to end through the high-strength pin shafts. And (3) measuring and releasing a mounting position line on the transverse main steel beam 10, hoisting the Bailey truss in place, and arranging a special support frame connected into a whole between the Bailey truss transversely.
Ramp bridge floor steel sheet 32, platform bridge floor steel sheet 72 are formed by a plurality of steel sheet concatenations and leave the splitting line of preventing splitting in concatenation department, prevent that expend with heat and contract with cold from resulting in the bridge floor fracture.
And finally, U-shaped locks arranged side by side at intervals are adopted and pass through the ramp bridge deck steel plate 32 and the platform bridge deck steel plate 72 at the butt joint part to be locked and fixed.
Claims (8)
1. The utility model provides a combination of interim construction transfer platform ramp landing stage which characterized in that: including landing stage ramp (A) and landing stage transfer platform (B) with landing stage ramp (A) one end butt joint, landing stage ramp (A) includes from ramp pile support (1), ramp steel truss assembly (2) and ramp bridge floor assembly (3) up setting down, ramp bridge floor assembly (3) are taken ramp bridge floor steel sheet (32) of establishing on ramp distribution beam (31) including ramp distribution beam (31) and welding, landing stage transfer platform (B) is taken platform bridge floor steel sheet (72) of establishing on platform distribution beam (71) including from platform pile support (5), platform steel truss assembly (6) and platform bridge floor assembly (7) up setting down, platform bridge floor assembly (7) are taken platform bridge floor steel sheet (72) of establishing on platform distribution beam (71) including platform distribution beam (71) and horizontal welding, platform pile support (5), ramp pile support (1) are put steel-pipe pile (9) in super flow state concrete (8) by super flow state concrete (8) and sinking perpendicularly of pouring in the super flow state concrete (8) ) The steel pipe pile (9) is welded and wound with spiral stirrups (91) at the lower part, the height of the top of the steel pipe pile (9) of the ramp pile support (1) gradually increases from front to back to form a smooth gradient, so that the rear end of a ramp (A) is flush with any orientation of a transfer platform (B) of a trestle, the rear end of a ramp bridge deck steel plate (32) is bent to a horizontal state capable of being butted with any orientation of a platform bridge deck steel plate (72), a butt joint positioning device is arranged at the butt joint position, and an X-shaped horizontal and vertical connecting rod (51) is arranged between the adjacent steel pipe piles (9) of the platform pile support (5).
2. The combination of a temporary construction transfer platform ramp trestle of claim 1, wherein: the ramp steel truss assembly (2) and the platform steel truss assembly (6) are composed of a transverse main steel beam (10) and a steel truss (11) built on the transverse main steel beam (10), the steel truss (11) is formed by splicing Bailey beams in an end-to-end mode, and the Bailey beams are spliced in an end-to-end mode through high-strength hinge pins; the steel truss (11) in the ramp steel truss assembly (2) is connected with the transverse main steel beam (10) in a reinforcing mode through the first limiting device (4), and the steel truss (11) in the platform steel truss assembly (6) is connected with the transverse main steel beam (10) in a reinforcing mode through the second limiting device (12).
3. The temporary construction transfer platform ramp trestle combination according to claim 2, characterized in that: the steel-pipe pile (9) bilateral symmetry sets up and is equipped with the cable wind rope and through cable wind rope drawknot mode to the pile body straightness that hangs down when sinking go on dynamic adjustment, and steel-pipe pile (9) top is equipped with the notch and supplies horizontal main girder steel (10) embedding installation, horizontal main girder steel (10) and steel-pipe pile (9) handing-over department are provided with the gusset.
4. The temporary construction transfer platform ramp trestle combination according to claim 1, characterized in that: the protective guard bars (13) are arranged at the adjacent edges of the ramp bridge deck steel plate (32) and the platform bridge deck steel plate (72), the height of each protective guard bar (13) is 1-1.2 m, and I25I-shaped steel with the interval of 1.8-2 m is adopted as an upright post to be vertically welded on the bridge deck steel plate.
5. The temporary construction transfer platform ramp trestle combination according to claim 1, characterized in that: the steel-pipe pile (9) are formed by splicing steel pipes end to end, and a spare plate is arranged at the periphery of the splicing position of the pile body and used for keeping the integral rigidity of the steel-pipe pile, the whole spare plate is annular and is welded and sleeved at the splicing position of the steel-pipe pile (9), and two hoisting clamp ring mounting holes are symmetrically formed in the pipe wall at the top of the steel-pipe pile (9).
6. The temporary construction transfer platform ramp trestle combination according to claim 1, characterized in that: the upper surfaces of the ramp bridge deck steel plate (32) and the platform bridge deck steel plate (72) are provided with anti-skidding devices, and the anti-skidding devices are shear nails distributed in an array mode.
7. The temporary construction transfer platform ramp trestle combination according to claim 1, characterized in that: the upper surfaces of the ramp bridge deck steel plate (32) and the platform bridge deck steel plate (72) are provided with anti-skidding devices, and the anti-skidding devices adopt anti-skidding steel bars which are transversely paved.
8. The temporary construction transfer platform ramp trestle combination according to claim 1, characterized in that: the butt joint positioning device adopts a U-shaped lock, and simultaneously passes through a ramp bridge deck steel plate (32) and a platform bridge deck steel plate (72) at the butt joint part to be locked and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210390686.4A CN114855588A (en) | 2022-04-14 | 2022-04-14 | Temporary construction transfer platform ramp trestle combination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210390686.4A CN114855588A (en) | 2022-04-14 | 2022-04-14 | Temporary construction transfer platform ramp trestle combination |
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| CN202210390686.4A Pending CN114855588A (en) | 2022-04-14 | 2022-04-14 | Temporary construction transfer platform ramp trestle combination |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561375A (en) * | 2010-12-20 | 2012-07-11 | 陕西龙海工程建设有限公司 | Pile foundation allocation structure |
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| CN112811859A (en) * | 2021-01-19 | 2021-05-18 | 深圳宏业基岩土科技股份有限公司 | Superfluid low-resistance concrete and preparation and construction method thereof |
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| KR101463771B1 (en) * | 2014-07-07 | 2014-11-21 | 고종원 | Unit for Reinforcing Head of Steel Tube Pile |
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| CN211736107U (en) * | 2020-01-08 | 2020-10-23 | 深圳市大红点装饰有限公司 | Integration steel stair |
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