CN106522234A - Underwater grouting template structure with increased cylinder section and construction method thereof - Google Patents
Underwater grouting template structure with increased cylinder section and construction method thereof Download PDFInfo
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- CN106522234A CN106522234A CN201611071327.3A CN201611071327A CN106522234A CN 106522234 A CN106522234 A CN 106522234A CN 201611071327 A CN201611071327 A CN 201611071327A CN 106522234 A CN106522234 A CN 106522234A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
The invention provides an underwater grouting template structure with an increased cylinder section and a construction method thereof. The underwater grouting template structure comprises a template undersurface foundation, a single-section steel template, an idler wheel slideway structure, fine-adjusting and locating structures, tapered guide structures, and a bottom grout stop rubber strip. The single-section steel template is arranged around an existing cylinder, and is formed by splicing two half single-section steel templates so as to realize underwater segmentation sinking assembly; the idler wheel slideway structure is arranged on the existing cylinder so as to be used for realizing guiding, supporting and limiting of underwater sinking of the single-section steel template; the fine-adjusting and locating structures are arranged on the periphery and the inner part of the single-section steel template; the tapered guide structures are located on a top-face flange plate and a bottom-face flange plate of the single-section steel template; and the bottom grout stop rubber strip is located on the bottom face of the single-section steel template at the bottom section. The underwater grouting template structure with the increased cylinder section provided by the invention can meet the requirement of application environment of the increased underwater cylinder section of a cover structure such as a bridge floor or a wharf surface on the top part of the cylinder, so that the underwater grouting template structure difficult to construct and the construction method thereof are easy to operate, the automation degree is high, the quality is reliable, the construction risk and the cost are reduced, and the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of formwork structure, more particularly to the underwater grouting formwork structure that a kind of pole section is increased, and
It is related to the construction method of the underwater grouting formwork structure for the pole section increasing.
The present invention can meet the underwater column body section of the capital structure for having the covering such as bridge floor or harbour face at the top of cylinder and add
Big applied environment.
Background technology
The engineering structures such as the bridge in marine or Ha Noi, harbour are needed to cylinders such as stake, post or cylinders because of structure repair or transformation
Structure enlarged cross section, reaches the purpose for improving bearing capacity and stability.And need in water before the grouting of underwater column body enlarged cross section
Installation form, in this water, template is that to enclose water-bound a kind of, i.e. formwork structure, is realized the space of grouting independently divided out,
Prevent grouting from exposing.
At present underwater column body model sheetinstallat common method is that steel cylinder is squeezed in soil as enclosing water-bound using vibration hammer, or
Integral mold plate is hung using lifting appliance and enters water installation, or hang that piecemeal template is assembled under water, above method is not suitable on cylinder top
There is the capital structure of the covering such as bridge floor or harbour face in portion, and on the water surface, working place is little, the big depth of water, water turbidity, current are anxious, wave
And rise ebb affect greatly wait one or more restrictive conditions under complete water center pillar body section increase be in the milk template installation, especially not
It is adapted to the construction of the large-scale template that the high pole section in heavy in section is increased under water.In the above conditions, diver sight line is poor under water,
Operating condition is complicated, and the installation of template can only be completed by gropingly doing some simple actions, and template immersing is assembled, adjustment
Para-position, only support, slurry and Demolition Construction difficulty are big, and job safety risk is high, and quality control difficulty is big, low construction efficiency.
The content of the invention
The technical problem to be solved is to need offer one kind to disclosure satisfy that have at the top of cylinder bridge floor or harbour face
Deng the underwater grouting formwork structure that the pole section of the capital structure of covering is increased, and provide the water increased for the pole section
The construction method of lower grouting formwork structure.
In this regard, the present invention provides the underwater grouting formwork structure that a kind of pole section is increased, including：
Template bottom surface basis, positioned at the bottom of existing cylinder, including supporting template structure and basal plane, realize that supporting is filled under water
Slurry template and bottom are only starched the compression of rubber strip and are only starched；
Single-unit steel form, is arranged at around existing cylinder, by existing pole section increase underwater grouting template merogenesis into
Single-unit steel form makes, and single-unit steel form is divided into 2 pieces of half of single-unit steel forms and makes, and is then assembled into single-unit steel form to realize
Merogenesis sinking is assembled under water；
Roller slideway structure, on existing cylinder, for realizing the guiding of sinking in the water of single-unit steel form, supporting
With it is spacing；
Fine tuning location structure, is installed on surrounding and the inside of single-unit steel form, for fine tuning under water and positioning single-unit punching block
Plate；
Taper guide frame, on the top surface flanged plate and bottom side flanges plate of single-unit steel form, for upper-lower position
The docking of guiding under water between single-unit steel form；
Rubber strip is only starched in bottom, positioned at the bottom surface of coxopodite single-unit steel form, for preventing grouting from exposing.
Further improvement of the present invention is that the half of single-unit steel form includes top surface flanged plate, bottom side flanges plate, erects
Straight piece connecting bolt and steel facing, the top surface flanged plate and bottom side flanges plate be respectively arranged at the top surface of the steel facing and
Bottom surface, vertical piece connecting bolt are arranged between 2 pieces of half of single-unit steel forms of same level height.
Further improvement of the present invention is that the taper guide frame includes that guiding cone, cone bottom screwed hole, cone connect
Fixing hole and cone connecting screw rod are connect, the cone is connected hole position on the top surface flanged plate of single-unit steel form, the cone
Bottom screwed hole is located at the bottom of guiding cone, and the cone connecting screw rod is arranged at the guide cone by the cone hole that is connected
The bottom of body, the lower end of the cone connecting screw rod is connected positioned at cone the lower section in hole.
The present invention also provides a kind of construction method of the underwater grouting formwork structure that pole section is increased, the construction method
For realizing the underwater grouting formwork structure of pole section increasing as above, and comprise the following steps：
Step S1, forms template bottom surface basis in the bottom of existing cylinder；
Step S2, makes half of single-unit steel form, and land examination is assembled into single-unit steel form and a whole set of template；
Step S3, installs taper guide frame and fine tuning location structure in the assembled qualified a whole set of template of examination；
Step S4, to a whole set of template number, then splits into half of single-unit steel form；
Step S5, land installation bottom only starch rubber strip；
Step S6, roller slideway structure fabrication and installation；
Step S7, suspension rope upper end are tied up on the crane gear in capital structure or other crane gears, lower end suspention
The half of single-unit steel form of 2 pieces of coxopodite single-unit steel form installs vertical piece connecting bolt, on the water surface in existing cylinder both sides
Or single-unit steel form near the water surface, is combined into, hold around existing cylinder；
Step S8, transfers suspension rope, coxopodite single-unit steel form in water along the roller slideway structure down sinking, it is single
Suspend when being close to the basal plane on the template bottom surface basis bottom surface of section steel form；
Step S9, is adjusted and is positioned single-unit steel form, then loosen suspension rope, single-unit punching block using fine tuning location structure
Plate puts down completely and is bearing on the basal plane on the template bottom surface basis, and rubber strip is only starched in compression bottom；
Step S10, with each single-unit steel form more than same method section by section sinking coxopodite single-unit steel form, using taper
Guide frame completes the single-unit steel form of upper-lower position and is oriented to docking under water；
Step S11, installs the internode between single-unit steel form and single-unit steel form immediately after often saving the docking of single-unit steel form
Connecting bolt；
Step S12, completes the adjustment positioning of single-unit steel form by fine tuning location structure；
Step S13, until model sheetinstallat is completed and underwater grouting is carried out after passed examination；
Step S14, when the top surface rising of grouting is close to the adjusting screw of fine tuning location structure, screws out adjusting screw until can
Adjust the termination face in single-unit steel form of screw rod concordant with the inner face of the steel facing of single-unit steel form；
Step S15, removes auxiliary mounting structure, merogenesis piecemeal form removal after grouting solidification from top to bottom.
Further improvement of the present invention is, in step S1, the basal plane flatness on the template bottom surface basis is
Within 30mm.
Further improvement of the present invention is that step S5, the bottom of coxopodite single-unit steel form only starch the horizontal stroke of rubber strip
Section is square, is divided into the bottom surface of 2 bottom side flanges plates for being respectively adhered on 2 pieces of half of single-unit steel forms, and rubber is only starched in bottom
The length of bar is consistent with the length of the bottom side flanges plate of half of single-unit steel form；Rubber strip installation method is starched only in bottom：Half
After the top surface brushing bonding agent of rubber strip is only starched in the bottom side flanges plate bottom surface or bottom of side single-unit steel form, rubber is only starched in bottom
Bar is pasted onto the bottom side flanges plate bottom surface of half of single-unit steel form, half of single-unit steel form of subsequently slinging, and keeps bottom side flanges plate
Bottom surface down, is stood up on smooth solid platform, makes bottom only starch rubber strip under the action of gravity of half of single-unit steel form
Compression is simultaneously completely closely connected in bottom side flanges plate bottom surface, realizes firmly pasting, prevents template from installing under water and bottom in filling process
Only starch rubber strip to come off, it is stifled between the basal plane on the bottom side flanges plate bottom surface and template bottom surface basis for coxopodite single-unit steel form
Seam is starched with only.
Further improvement of the present invention is, in step S6, roller slideway structure includes fixture, support bar, turns
Moving axis and roller；The fixture is fixed on existing cylinder, and the support bar is connected with fixture, the inner termination of the support bar
Shore on existing cylinder, the rotary shaft is located at the external end head of support bar；The roller central aperture, to wear on the rotating shaft
Realization is freely rotated；Along existing column vertical direction, layering is arranged the roller slideway structure, per layer circumferentially disposed more than 3
Roller, the 10～50mm of spacing between the steel facing of the outward flange and single-unit steel form of the roller, for realizing single-unit punching block
Plate in water the guiding of sinking, support and it is spacing.
Further improvement of the present invention is, in step S3 and S10, the guiding cone of taper guide frame is using circle
Shape steel pricker, surface are smooth, using the cone of the top surface flanged plate of the cone bottom screwed hole and lower section single-unit steel form of guiding cone bottom
Body be connected hole install cone connecting screw rod, be directed to cone be fixed on it is lower section single-unit steel form top surface flanged plate on, institute
State the cone of guiding cone upwards, on the bottom side flanges plate of the upper section single-unit steel form directly over guiding cone installation site
Relevant position processing cone is oriented to hole, and the cone is oriented to hole dia 2～5mm bigger than guiding cone basal diameter, for upper and lower
Underwater mating between the single-unit steel form of position is oriented to；During upper section single-unit steel form sinking, the circle of its bottom side flanges plate
Cone is oriented to the cone of the guiding cone that hole is aligned automatically and is inserted on the top surface flanged plate of lower section single-unit steel form, in Gravitative Loads
Lower edge guiding cone surface glides, and falls on the top surface flanged plate of lower section single-unit steel form, and 2 sections for being automatically performed upper-lower position are single
Accurate guiding docking between section steel form.
Further improvement of the present invention is, in step S9, fine tuning location structure includes screw shell and adjustable spiral shell
Bar, the screw shell are welded on single-unit steel form surrounding, on the cruciform symmetry axle of same level；Screw shell is close
The termination top surface of existing cylinder side is with the steel facing inner face of single-unit steel form on a vertical；The adjusting screw is arranged
In the screw shell, can spinning in and out, when the adjusting screw withstands existing damaged surface precession with screw out can be with dynamic model
Plate, the fine tuning and locating template for plan-position.
Further improvement of the present invention is, in step S14, the adjusting screw of fine tuning location structure is in filling process
In screw out to grouting scope outside, make the single-unit steel form dismountable.
Compared with prior art, the beneficial effects of the present invention is：The underwater grouting template knot that the pole section is increased
Structure and its construction method, the underwater column body section that can meet the capital structure for having the covering such as bridge floor or harbour face at the top of cylinder add
Big applied environment, on the water surface, working place is little, operation at sea limited space, the big depth of water, water turbidity, current are anxious, wave
And rise ebb affect greatly wait one or more restrictive conditions under can also construct complete pole section increase underwater grouting template
Structure, makes the underwater grouting formwork structure and its construction method of constructional difficulties become prone to operation, and high degree of automation, quality can
Lean on, security risk is minimized, on the basis of improving work efficiency, also reduce construction cost.
Description of the drawings
Fig. 1 is the positive structure diagram of an embodiment of the present invention；
Fig. 2 is the overlooking the structure diagram of an embodiment of the present invention；
The half of single-unit steel template structure schematic diagram of Fig. 3 an embodiment of the present invention；
The detailed structure schematic diagram of the taper guide frame of Fig. 4 an embodiment of the present invention；
The overlooking the structure diagram of the taper guide frame of Fig. 5 an embodiment of the present invention；
The structural representation of the fine tuning location structure of Fig. 6 an embodiment of the present invention；
The cross-sectional view of the fine tuning location structure of Fig. 7 an embodiment of the present invention.
Labelling in figure：The existing cylinders of 1-；2- capital structures；3- templates bottom surface basis, 31- supporting template structures, 32- bases
Face；4- single-unit steel forms, 41- one side of something single-unit steel forms, 411- top surface flanged plates, 412- bottom side flanges plates, the vertical pieces of 413-
Connecting bolt, 414- steel facings, 42- internode connecting bolts；5- roller slideway structures；51- fixtures；52- support bars；53- turns
Moving axis；54- rollers；6- fine tuning location structures, 61- adjusting screws；62- screw shells；7- taper guide frames；71- guide cones
Body；72- bores bottom screwed hole；73- cones are connected hole；74- cone connecting screw rods；75- cones are oriented to hole；Rubber is starched only in 8- bottoms
Adhesive tape；9- suspension ropes.
Specific embodiment
Below in conjunction with the accompanying drawings, the preferably embodiment of the present invention is described in further detail.
Embodiment 1：
As shown in Figures 1 to 7, this example provides the underwater grouting formwork structure that a kind of pole section is increased, including：
Template bottom surface basis 3, is arranged at the bottom of existing cylinder 1, including supporting template structure 31 and basal plane 32, realizes propping up
Hold underwater grouting template and bottom and only starch the compression of rubber strip 8 and only starch；
Single-unit steel form 4, is arranged at around existing cylinder 1, the underwater grouting template merogenesis that 1 section of existing cylinder is increased
Make into single-unit steel form 4, single-unit steel form 4 is divided into 2 pieces of half of single-unit steel forms 41 and makes, be assembled into single-unit steel form 4 with
Realize that merogenesis sinking is assembled under water；
Roller slideway structure 5, on existing cylinder 1, for realize the guiding of sinking in the water of single-unit steel form 4,
Support and spacing；
Fine tuning location structure 6, is installed on surrounding and the inside of single-unit steel form 4, for fine tuning under water and positioning single-unit steel
Template 4；
Taper guide frame 7, positioned at top surface flanged plate 411 and the bottom surface of the half of single-unit steel form 41 of single-unit steel form 4
On flanged plate 412, dock for the guiding under water between the single-unit steel form 4 of upper-lower position；
Rubber strip 8 is only starched in bottom, positioned at the bottom surface of coxopodite single-unit steel form 4, for preventing grouting from exposing.
As shown in Figures 2 to 7, described in this example, half of single-unit steel form 41 includes top surface flanged plate 411, bottom side flanges plate
412nd, vertical piece connecting bolt 413 and steel facing 414, the top surface flanged plate 411 and bottom side flanges plate 412 are respectively arranged at
The top surface of the steel facing 414 and bottom surface, vertical piece connecting bolt 413 are arranged at 2 pieces of half of single-units of same level height
Between steel form 41.
As shown in Figure 4 and Figure 5, taper guide frame 7 described in this example includes guiding cone 71, cone bottom screwed hole 72, cone
Be connected hole 73 and cone connecting screw rod 74.The cone be connected hole 73 positioned at single-unit steel form 4 top surface flanged plate
On 411, cone bottom screwed hole 72 is located at the bottom of guiding cone 71, and the cone connecting screw rod 74 is connected by cone
Hole 73 is arranged at the bottom of the guiding cone 71, and the lower end of the cone connecting screw rod 74 is connected hole 73 positioned at cone
Lower section.
Component based on this example template bottom surface basis 3, the bottom of the coxopodite single-unit steel form 4 are provided with bottom and only starch rubber
Adhesive tape 8, it is square that the transverse section of rubber strip 8 is only starched in the bottom, and the bottom is only starched rubber strip 8 and is pasted onto single-unit steel form 4
Bottom side flanges plate 412 bottom surface., using circular steel pricker, surface is smooth for the guiding cone 71.Template bottom surface basis 3
Within the flatness of basal plane 32 is 30mm.The single-unit steel form 4 is realized by the adjusting screw 61 of the fine tuning location structure 6
It is dismountable.
Template bottom surface basis 3 described in this example is the basis of whole underwater grouting formwork structure；The single-unit steel form 4 be by
The template assembly sections suitable for assembly being arranged at around existing cylinder 1, the half of single-unit steel form 41 are half single-unit
Steel form, 2 half of single-unit steel forms 41 are bolted together the single-unit steel form 4 that can just obtain, and by all of single-unit steel
4 assembly of template is got up the template of the underwater grouting formwork structure that can just obtain complete, that is to say, that 2 pieces of half of single-unit punching blocks
Plate 41 can be assembled into single-unit steel form 4, and multiple single-unit steel forms 4 can be assembled into the complete of the underwater grouting formwork structure
Template；The roller slideway structure 5 is arranged on existing cylinder 1, for realizing list by the roller 51 of roller slideway structure 5
Section steel form 4 in water the guiding of sinking, support and it is spacing；The fine tuning location structure 6, is installed on the four of single-unit steel form 4
Week and inside, for the positioning single-unit of fine tuning under water steel form 4；The taper guide frame 7 is located at the top surface method of single-unit steel form 4
On blue plate 411 and bottom side flanges plate 412, for realizing the docking of guiding under water between the single-unit steel form 4 of upper-lower position；It is described
Rubber strip 8 is only starched in bottom, between the basal plane 32 on the bottom surface of the bottom side flanges plate 412 of coxopodite single-unit steel form 4 and basis 3,
Namely between the bottom surface of single-unit steel form 4 of bottom and the basal plane 32 on template bottom surface basis 3, for coxopodite single-unit punching block
Caulking joint between the basal plane 32 of the bottom surface and template bottom surface basis 3 of the bottom side flanges plate 412 of plate 4 is starched with only, for preventing grouting
Expose；This example these components recited above, are all the products of industrialization generation, and can realize the construction control of automatization
System.
This example also provides the underwater grouting formwork structure construction method that a kind of pole section is increased, and the construction method is used for
The underwater grouting formwork structure that pole section as above is increased is realized, and is comprised the following steps：
Step S1, forms template bottom surface basis in the bottom of existing cylinder 1；
Step S2, makes half of single-unit steel form 41, and land examination is assembled into single-unit steel form 4 and a whole set of template；
Step S3, installs taper guide frame 7 and fine tuning location structure 6 in the assembled qualified a whole set of template of examination；
Step S4, to a whole set of template number, then splits into half of single-unit steel form 41；
Step S5, land installation bottom only starch rubber strip 8；
Step S6,5 fabrication and installation of roller slideway structure；
Step S7,9 upper end of suspension rope are tied up on crane gear or other crane gears in capital structure 2, and lower end hangs
2 pieces of half of single-unit steel forms 41 of coxopodite single-unit steel form 4 are hung in 1 both sides of existing cylinder, vertical piece connecting bolt is installed
413, single-unit steel form 4 is combined on the water surface or near the water surface, existing cylinder 1 is held around；
Step S8, transfers suspension rope 9, and coxopodite single-unit steel form 4 sinks along the roller slideway structure 5 in water
Put, the bottom surface of single-unit steel form 4 is suspended when being close to the basal plane on template bottom surface basis 3；
Step S9, adjusts and positions single-unit steel form 4 using fine tuning location structure 6, then loosens suspension rope 9, single-unit
Steel form 4 puts down completely and is bearing on the basal plane 32 on template bottom surface basis 3, and rubber strip 8 is only starched in compression bottom；
Step S10, with each single-unit steel form 4 of same method sinking coxopodite single-unit steel form more than 4 section by section, using cone
Shape guide frame 7 completes the docking of guiding under water of the single-unit steel form 4 of upper-lower position；
Step S11, often saves the section installed after single-unit steel form 4 is docked immediately between single-unit steel form 4 and single-unit steel form 4
Between connecting bolt 42；
Step S12, completes the adjustment positioning of single-unit steel form 4 by fine tuning location structure 6；
Step S13, until model sheetinstallat is completed and underwater grouting is carried out after passed examination；
Step S14, when the top surface rising of grouting is close to the adjusting screw 61 of fine tuning location structure 6, screws out adjusting screw 61
Until adjusting screw 61 is located at the termination face and concordant with the inner face of the steel facing 414 of single-unit steel form 4 in single-unit steel form 4；
Step S15, removes auxiliary mounting structure, merogenesis piecemeal form removal after grouting solidification from top to bottom.
Preferably, in step S7, if existing cylinder 1 section increase grouting material (grouting material include mortar and
Concrete etc.) in be provided with framework of steel reinforcement, then the fixture 51 and support bar 52 of the roller slideway structure 5 can integrated structure reinforcing bar
Skeleton is processed into overall structure, and is fixed on existing cylinder 1 under water；If the section of existing cylinder 1 increases grouting material
Middle no-reinforcing-bar skeleton, then the roller slideway structure 5 realize after manufacturing being fixed on existing cylinder 1 under water.The step
In rapid S14, auxiliary mounting structure include the guiding cone 71 of taper guide frame 7, the adjusting screw 61 of fine tuning location structure 6,
The vertical piece connecting bolt 413 of the half of single-unit steel form 41 of single-unit steel form 4, and upper-lower position two section single-unit punching blocks
Internode connecting bolt 42 between plate 4；I.e. described auxiliary mounting structure refers to each component for aiding in installing.
In step S1 described in this example, within the flatness of the basal plane 32 on template bottom surface basis 3 is preferably controlled to 30mm,
The template bottom surface basis 3 is any one in newly-built concrete slab, existing collated cushion cap and base plate.
In step S5 described in this example, it is square that the transverse section of rubber strip 8 is only starched in the bottom of coxopodite single-unit steel form 4, is divided into 2
Bar is respectively adhered on the bottom surface of the bottom side flanges plate 412 of 2 pieces of half of single-unit steel forms 41, bottom only starch the length of rubber strip 8 and
The length of the bottom side flanges plate 412 of half of single-unit steel form 41 is consistent；8 installation method of rubber strip is starched only in bottom：Half of single
After the top surface brushing bonding agent of rubber strip 8 is only starched in 412 bottom surface of bottom side flanges plate or bottom of section steel form 41, rubber is only starched in bottom
Adhesive tape 8 is pasted onto 412 bottom surface of bottom side flanges plate of half of single-unit steel form 41, half of single-unit steel form 41 of subsequently slinging, and keeps
412 bottom surface of bottom side flanges plate down, is stood up on smooth solid platform, makes bottom only starch rubber strip 8 in half of single-unit punching block
The action of gravity of plate 41 pushes completely closely connected in 412 bottom surface of bottom side flanges plate, realization firmly stickup of contracing, and prevents template from pacifying under water
In dress and filling process, bottom is only starched rubber strip 8 and is come off, 412 bottom surface of bottom side flanges plate and mould for coxopodite single-unit steel form 4
Caulking joint between the basal plane 32 on plate bottom surface basis 3 is starched with only.
In step S3 described in this example, such as Fig. 4 and Fig. 5, the guiding cone 71 of taper guide frame 7 is using circular steel pricker, table
Face is smooth, using the cone of the top surface flanged plate 411 of the cone bottom screwed hole 72 and lower section single-unit steel form 4 of 71 bottom of guiding cone
Cone connecting screw rod 74 is installed in the hole 73 that is connected, and is directed to the top surface flanged plate that cone 71 is fixed on lower section single-unit steel form 4
On 411, the cone of guiding cone 71 upwards, the bottom of the upper section single-unit steel form 4 directly over 71 installation site of guiding cone
On face flanged plate 413, relevant position processing cone is oriented to hole 75, and it is bigger by 2 than 71 basal diameter of guiding cone that cone is oriented to 75 diameter of hole
～5mm, is oriented to for the underwater mating between the single-unit steel form 4 of upper-lower position.
In step S10 described in this example, during upper 4 sinking of section single-unit steel form, the circular cone of its bottom side flanges plate 412 is oriented to
The cone of the guiding cone 71 that hole 75 is aligned automatically and is inserted on the top surface flanged plate 411 of lower section single-unit steel form 4, from recast
Glided with 71 surface of lower edge guiding cone, fall on the top surface flanged plate 411 of lower section single-unit steel form 4, be automatically performed bottom
Accurate guiding docking between the 2 section single-unit steel forms 4 put.
In step S3, S9 and S12 described in this example, as shown in Figure 6 and Figure 7, the fine tuning location structure 6 includes screw shell
62 and adjusting screw 61, the screw shell 62 is welded on 4 surrounding of single-unit steel form, positioned at the cruciform symmetry axle of same level
On, screw shell 62 is hung down at one with 414 inner face of steel facing of single-unit steel form 4 near the termination top surface of 1 side of existing cylinder
Face directly；The front end of the adjusting screw 61 is threaded screw rod, is arranged in the screw shell 62, manually rotates adjustable
Screw rod 61 is capable of achieving the precession of adjusting screw 61 and screws out, and the adjusting screw 61 withstands 1 surface of existing cylinder, for template position
The fine tuning put and positioning.Template described in this example is the abbreviation of the underwater grouting formwork structure.
In step S6 described in this example, roller slideway structure 5 be by welded steel into space structure, point two halves make peace
Dress, holds around on the inside of which and is fixed on existing cylinder 1, and roller 54 is installed in outside；The roller slideway structure 8 is vertical along existing cylinder 1
Direction layering is arranged, and layering is smaller than template merogenesis length, can adopt independent single layer structure, also can between levels
If vertical connecting rod, forms space structure；If pile body section is provided with framework of steel reinforcement (cage), roller slideway knot in increasing concrete
Structure 5 is attached on framework of steel reinforcement and installs together；If pile body section increases no-reinforcing-bar skeleton in grouting material, roller slideway structure 5 is made
After work, it is fixed on existing cylinder 1 under water.The roller slideway structure 5 of monolayer includes fixture 51, support bar 52, rotates
Axle 53 and roller 54.51 points of two halves fabrication and installation of the fixture, hold around and are fixed on existing cylinder 1；The support bar 52
It is connected with fixture 51, inner termination is shored on existing cylinder 1；The rotary shaft 53 is fixed on 52 external end head of support bar；It is described
Roller 54 adopts xoncrete structure or the stainless steel outer packed cylinder of concrete, diameter about 100mm, thickness about 50mm；Roller 54 is cylinder
Body, is made using pea gravel concreten or mortar, and centre is boxed out, is through in rotary shaft 53, freely can rotate around rotary shaft 53.Monolayer
Roller slideway structure 5 arranges the quantity 4～10 of roller 54, and 54 outer rim of all rollers is in same level, and and single-unit
The spacing of the steel facing 414 of steel form 4 is consistent, and spacing is preferably 10～50mm, for realizing the sinking in water of single-unit steel form 4
It is oriented to, supports and spacing.
The template of underwater grouting formwork structure described in this example employs the making of merogenesis piecemeal, it is to avoid large-scale integral mold plate makes
The difficulty of transport, can lift by crane sinking one side of something single-unit punching block using the crane gear such as less crane ship machine or calabash during lifting
Plate 41 or single-unit steel form 4, existing cylinder 1 top surface have capital structure 2 cover in the case of, on the water surface working place it is little,
Large lifting equipment completes formwork hoisting under water when cannot use；Roller slideway structure 5, the roller slideway structure 5 described in which are pacified
It is mounted in the structure of existing cylinder 1, for the guiding of sinking in 4 water of single-unit steel form, supports and spacing, reduces template and slide and rub
Wipe, make to save the easy para-position of template up and down, make the circular cone saved on single-unit steel form 4 be oriented to hole 75 and be aligned automatically and be inserted in lower section list
Guiding cone 71 on the top surface flanged plate 411 of section steel form 4, and can sink automatically in place under Gravitative Loads, complete up and down
The guiding docking of the single-unit steel form 4 of position；Fine tuning location structure 6, the adjusting screw 61 described in which can accurately adjust template
Plan-position, is fixedly supported template；Taper guide frame 7, the guide frame described in which cause the larger upper-lower position of difficulty
4 underwater mating of single-unit steel form become that simple and aligning accuracy is high, internode connecting bolt 42 smoothly can be installed；Rubber is starched only in bottom
Adhesive tape 8, the bottom described in which effectively prevent grouting from exposing when only slurry rubber strip 8 is compressed.
Underwater grouting formwork structure and its construction method that pole section described in this example is increased, can meet at the top of cylinder has
The applied environment that the underwater column body section of the capital structure 2 of the covering such as bridge floor or harbour face increases, on the water surface, working place is little, big
The depth of water, water turbidity, current are anxious, wave and ebb of rising affect also complete cylinder section under one or more restrictive conditions such as big
The underwater grouting formwork structure that face increases, makes the underwater grouting formwork structure and its construction method of constructional difficulties become prone to behaviour
Make, high degree of automation, reliable in quality, security risk are minimized, on the basis of improving work efficiency, also reduce and be constructed into
This.
4 points of 2 pieces of one side of something single-unit steel forms 41 of single-unit steel form described in this example make, and examination splits into half of single-unit steel after the completion of spelling
Template 41, transports to after installation site, suspends 2 pieces of half of single-unit steel forms 41 in midair in the two of existing cylinder 1 using suspension rope 9
Side, is combined into single-unit steel form 4 on the water surface or near the water surface, hold around existing cylinder 1, and single-unit steel form 4 is past under suspended state
Lower sinking.Under suspending when the distance of basal plane 32 of the bottom surface of coxopodite single-unit steel form 4 away from template bottom surface basis 3 is 50～300mm
Put, transfer in place after being positioned using the fine tuning location structure 6 on single-unit steel form 4；Finally screw adjusting screw 61 shore it is existing
The surface of cylinder 1, forms positioning.Single-unit steel form 4 more than coxopodite is single with the assembled sinking of same method merogenesis, and next section
Section steel form 4 completes adjustment positioning using fine tuning location structure 6 after the completion of docking.The merogenesis length root of the single-unit steel form 4
Determine according to the ability and construction condition of hanging device, the control of merogenesis length is advisable within 3m.
The fine tuning location structure 6, including being welded on template surrounding, the spiral shell on the cruciform symmetry axle of same level
Stricture of vagina sleeve 62 and adjusting screw therein 61.The perforate on steel facing 414 in template construct, screw shell 62 are welded on steel face
On plate 414.61 screw rod of adjusting screw can spinning in and out, the surface of existing cylinder 1 is withstood in precession, for 4 position of single-unit steel form
Adjust and fixed.6 vertical demixing of fine tuning location structure is arranged on the bottom and top of coxopodite single-unit steel form 4 and epimerite single-unit steel
The top of template 4, the top of middle single-unit steel form 4 can be arranged as required to, and per layer is symmetrically and evenly arranged 4 adjusting screws
61。
Coxopodite single-unit steel form 4 completes Primary Location under suspended state, and method is 61 precession steel facing 414 of adjusting screw
During the distance of inner face 5～20mm less than the designed distance of 414 inner face of steel facing to existing damaged surface, first sinking single-unit steel form
4 on earth, and subsequent precession adjusting screw 61 holds out against damaged surface, completes positioning；Single-unit steel form 4 more than coxopodite is completed up and down
The single-unit steel form 4 of position adjusts positioning using adjusting screw 61 after docking.
As template needs to remove, the adjusting screw 61 of the fine tuning location structure 6 of coxopodite single-unit steel form 4 slurry after grouting
The inner face of the steel facing 414 to the concordant template of inner termination is screwed out before initial set, other adjusting screws 61 are close in the rising of grouting face can
The inner face of the steel facing 414 to the concordant template of inner termination is screwed out when adjusting screw rod 61.Adjusting screw 61 individually can be removed or with single-unit
Steel form 4 is removed together.As template is not removed, the adjusting screw 61 of fine tuning location structure 6 can be stayed in concrete, for single-unit
The anchoring rod piece of steel form 4.
The taper guide frame 7, on the top surface flanged plate 411 and bottom side flanges plate 412 of single-unit steel form 4.Lead
To cone 71 using circular steel pricker, surface is smooth, using the cone bottom screwed hole 72 and lower section single-unit punching block of 71 bottom of guiding cone
Cone connecting screw rod 74 is installed in the cone of the top surface flanged plate 411 of plate 4 hole 73 that is connected, and is directed to cone 71 and is fixed on lower section
On the top surface flanged plate 411 of single-unit steel form 4, the cone of guiding cone 71 upwards, directly over 71 installation site of guiding cone
Upper section single-unit steel form 4 bottom side flanges plate 412 on relevant position processing cone be oriented to hole 75, cone is oriented to 75 diameter of hole
2～5mm bigger than 71 basal diameter of guiding cone.During upper 4 sinking of section single-unit steel form, the circular cone of its bottom side flanges plate 412
The cone of the guiding cone 71 that hole 75 is aligned automatically and is inserted on the top surface flanged plate 411 of lower section single-unit steel form 4 is oriented to, certainly
Recast is glided with 71 surface of lower edge guiding cone, is fallen on the top surface flanged plate 411 of lower section single-unit steel form 4, is automatically performed
Accurate guiding docking between 2 section single-unit steel forms 4 of lower position.Internode connecting bolt 42 is subsequently mounted, template connection is completed.
The i.e. dismountable reuse after the completion of model sheetinstallat is completed or is in the milk of the guiding cone 71.
The template reaches the guiding cone of design or code requirement and taper guide frame 7 in the slurry intensity being in the milk
71st, the adjusting screw 61 of fine tuning location structure 6, the vertical piece connecting screw rod 413 of single-unit steel form 4 and internode connecting bolt 42
After dismounting, the same suspension rope 9 used using model sheetinstallat and crane gear can merogenesis piecemeal form removal, template finishing
It is reusable afterwards.
Above content is with reference to specific preferred implementation further description made for the present invention, it is impossible to assert
The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. the underwater grouting formwork structure that a kind of pole section is increased, it is characterised in that include：
Template bottom surface basis, positioned at the bottom of existing cylinder, including supporting template structure and basal plane, realize supporting underwater grouting mould
Plate and bottom are only starched the compression of rubber strip and are only starched；
Single-unit steel form, is arranged at around existing cylinder, and the underwater grouting template merogenesis that existing pole section is increased is into single-unit
Steel form makes, and single-unit steel form is divided into 2 pieces of half of single-unit steel forms and makes, and is then assembled into single-unit steel form to realize under water
Merogenesis sinking is assembled；
Roller slideway structure, on existing cylinder, for realizing the guiding of sinking in the water of single-unit steel form, supports and limits
Position；
Fine tuning location structure, is installed on surrounding and the inside of single-unit steel form, for fine tuning under water and positioning single-unit steel form；
Taper guide frame, on the top surface flanged plate and bottom side flanges plate of single-unit steel form, for the single-unit of upper-lower position
The docking of guiding under water between steel form；
Rubber strip is only starched in bottom, positioned at the bottom surface of coxopodite single-unit steel form, for preventing grouting from exposing.
2. the underwater grouting formwork structure that pole section according to claim 1 is increased, it is characterised in that described half of single
Section steel form includes top surface flanged plate, bottom side flanges plate, vertical piece connecting bolt and steel facing, the top surface flanged plate and bottom
Face flanged plate is respectively arranged at the top surface of the steel facing and bottom surface, and vertical piece connecting bolt is arranged at same level height
Between 2 pieces of half of single-unit steel forms.
3. the underwater grouting formwork structure that pole section according to claim 1 is increased, it is characterised in that the taper is led
Include that guiding cone, cone bottom screwed hole, cone are connected hole and cone connecting screw rod to structure, the cone is connected hole
On the top surface flanged plate of single-unit steel form, cone bottom screwed hole is located at the bottom of guiding cone, and the cone connects spiral shell
Bar is arranged at the bottom of the guiding cone by the cone hole that is connected, and the lower end of the cone connecting screw rod connects positioned at cone
Connect the lower section of fixing hole.
4. the construction method of the underwater grouting formwork structure that a kind of pole section is increased, it is characterised in that the construction method is used
In the underwater grouting formwork structure for realizing that the pole section as described in claims 1 to 3 any one is increased, and including following step
Suddenly：
Step S1, forms template bottom surface basis in the bottom of existing cylinder；
Step S2, makes half of single-unit steel form, and land examination is assembled into single-unit steel form and a whole set of template；
Step S3, installs taper guide frame and fine tuning location structure in the assembled qualified a whole set of template of examination；
Step S4, to a whole set of template number, then splits into half of single-unit steel form；
Step S5, land installation bottom only starch rubber strip；
Step S6, roller slideway structure fabrication and installation；
Step S7, suspension rope upper end are tied up on the crane gear in capital structure or other crane gears, lower end suspention coxopodite
2 pieces of single-unit steel form half of single-unit steel forms install vertical piece connecting bolt in existing cylinder both sides, on the water surface or water
Single-unit steel form is combined near face, existing cylinder is held around；
Step S8, transfers suspension rope, and coxopodite single-unit steel form is in water along the roller slideway structure down sinking, single-unit steel
Suspend when being close to the basal plane on the template bottom surface basis bottom surface of template；
Step S9, is adjusted and is positioned single-unit steel form, then loosen suspension rope using fine tuning location structure, and single-unit steel form is complete
Put down entirely and be bearing on the basal plane on the template bottom surface basis, rubber strip is only starched in compression bottom；
Step S10, with each single-unit steel form more than same method section by section sinking coxopodite single-unit steel form, is oriented to using taper
Structure completes the single-unit steel form of upper-lower position and is oriented to docking under water；
Step S11, installs the internode connection between single-unit steel form and single-unit steel form immediately after often saving the docking of single-unit steel form
Bolt；
Step S12, completes the adjustment positioning of single-unit steel form by fine tuning location structure；
Step S13, until model sheetinstallat is completed and underwater grouting is carried out after passed examination；
Step S14, when the top surface rising of grouting is close to the adjusting screw of fine tuning location structure, screws out adjusting screw until adjustable spiral shell
The termination face in single-unit steel form of bar is concordant with the inner face of the steel facing of single-unit steel form；
Step S15, removes auxiliary mounting structure, merogenesis piecemeal form removal after grouting solidification from top to bottom.
5. the construction method of the underwater grouting formwork structure that pole section according to claim 4 is increased, it is characterised in that
In step S1, within the basal plane flatness on the template bottom surface basis is 30mm.
6. the construction method of the underwater grouting formwork structure that pole section according to claim 4 is increased, it is characterised in that
Step S5, it is square that the transverse section of rubber strip is only starched in the bottom of coxopodite single-unit steel form, is divided into 2 and is respectively adhered on 2 pieces
The bottom surface method of the length of rubber strip and half of single-unit steel form is only starched in the bottom surface of the bottom side flanges plate of half of single-unit steel form, bottom
The length of blue plate is consistent；Rubber strip installation method is starched only in bottom：In the bottom side flanges plate bottom surface or bottom of half of single-unit steel form
After the top surface brushing bonding agent of rubber strip is only starched in portion, the bottom side flanges that rubber strip is pasted onto half of single-unit steel form are only starched in bottom
Plate bottom surface, half of single-unit steel form of subsequently slinging keep bottom side flanges plate bottom surface down, stand up on smooth solid platform,
Make bottom only starch rubber strip the action of gravity of half of single-unit steel form push contract it is completely closely connected in bottom side flanges plate bottom surface, it is real
Now firmly paste, only slurry rubber strip comes off to prevent template from installed with bottom in filling process under water, for coxopodite single-unit steel form
Bottom side flanges plate bottom surface and the basal plane on template bottom surface basis between caulking joint with only starch.
7. the construction method of the underwater grouting formwork structure that pole section according to claim 4 is increased, it is characterised in that
In step S6, roller slideway structure includes fixture, support bar, rotary shaft and roller；The fixture is fixed on existing
On cylinder, the support bar is connected with fixture, and the inner termination of the support bar is shored on existing cylinder, and the rotary shaft is located at
The external end head of support bar；The roller central aperture, is freely rotated with wearing；The roller slideway structure edge
Existing column vertical direction layering is arranged, per layer of circumferentially disposed roller of more than 3, outward flange and the single-unit punching block of the roller
10～50mm of spacing between the steel facing of plate, for realize single-unit steel form in water the guiding of sinking, support and it is spacing.
8. the construction method of the underwater grouting formwork structure that pole section according to claim 4 is increased, it is characterised in that
In step S3 and S10, using circular steel pricker, surface is smooth, using guiding cone bottom for the guiding cone of taper guide frame
Portion cone bottom screwed hole and lower section single-unit steel form top surface flanged plate cone be connected hole install cone connecting screw rod, will
Guiding cone be fixed on it is lower section single-unit steel form top surface flanged plate on, the cone of the guiding cone upwards, in guiding cone
On the bottom side flanges plate of the upper section single-unit steel form directly over installation site, relevant position processing cone is oriented to hole, the cone
Hole dia 2～5mm bigger than guiding cone basal diameter is oriented to, is led for the underwater mating between the single-unit steel form of upper-lower position
To；During upper section single-unit steel form sinking,The circular cone of its bottom side flanges plate is oriented to hole and is aligned automatically and is inserted in lower section single-unit steel
The cone of the guiding cone on the top surface flanged plate of template, glides on Gravitative Loads lower edge guiding cone surface, falls single in lower section
On the top surface flanged plate of section steel form, the accurate guiding docking being automatically performed between 2 section single-unit steel forms of upper-lower position.
9. the construction method of the underwater grouting formwork structure that pole section according to claim 4 is increased, it is characterised in that
In step S9, fine tuning location structure includes screw shell and adjusting screw, and the screw shell is welded on single-unit steel form
Surrounding, on the cruciform symmetry axle of same level；Termination top surface and single-unit steel of the screw shell near existing cylinder side
The steel facing inner face of template is on a vertical；The adjusting screw is arranged in the screw shell, can spinning in and out, institute
Stating precession when adjusting screw withstands existing damaged surface can be with moving platen, for fine tuning and the positioning mould of plan-position with back-out
Plate.
10. the construction method of the underwater grouting formwork structure that pole section according to claim 4 is increased, its feature exist
In, in step S14, the adjusting screw of fine tuning location structure is screwed out to outside grouting scope in filling process, makes the list
Section steel form is dismountable.
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| CN201611071327.3A CN106522234B (en) | 2016-11-29 | 2016-11-29 | A kind of the underwater grouting formwork structure and its construction method of pole section increasing |
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| CN201611071327.3A CN106522234B (en) | 2016-11-29 | 2016-11-29 | A kind of the underwater grouting formwork structure and its construction method of pole section increasing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460851A (en) * | 2017-08-07 | 2017-12-12 | 中建钢构有限公司 | Steel cylinder, steel template structure and the method in installation protection structure on steel cylinder |
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| JP2006207129A (en) * | 2005-01-25 | 2006-08-10 | Sato Kogyo Co Ltd | Pier construction of structure |
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| CN106522234B (en) | 2019-08-02 |
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Effective date of registration: 20191223 Address after: Kau road Guangzhou City, Guangdong province 510290 Haizhuqu District Lek No. 368 Patentee after: CCCC Fourth Harbor Engineering Co., Ltd. Address before: 510231 No. 163 Qianjin Road, Guangzhou, Guangdong, Haizhuqu District Patentee before: The Second Engineering Company of CCCC Fourth Harbor Engineering Co.,Ltd. |
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