CN106522234B - A kind of the underwater grouting formwork structure and its construction method of pole section increasing - Google Patents

A kind of the underwater grouting formwork structure and its construction method of pole section increasing Download PDF

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Publication number
CN106522234B
CN106522234B CN201611071327.3A CN201611071327A CN106522234B CN 106522234 B CN106522234 B CN 106522234B CN 201611071327 A CN201611071327 A CN 201611071327A CN 106522234 B CN106522234 B CN 106522234B
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steel form
unit steel
cone
template
underwater
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CN106522234A (en
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李洪斌
张伟
梁国栋
李汉渤
陈锦铭
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CCCC Fourth Harbor Engineering Co Ltd
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No 2 Engineering Co of CCCC Fourth Harbor Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/06Placing concrete under water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0023Cast, i.e. in situ or in a mold or other formwork

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Revetment (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The present invention provides the underwater grouting formwork structure and its construction method of a kind of pole section increasing, and the underwater grouting formwork structure includes: template bottom surface basis;Single-unit steel form is set to around existing cylinder, is combined into single-unit steel form by 2 pieces of half of single-unit steel forms to realize that underwater merogenesis sinking is assembled;Idler wheel slideway structure is mounted on existing cylinder, for realizing guiding, support and the limit of sinking in the water of single-unit steel form;Fine tuning location structure is installed on surrounding and the inside of single-unit steel form;Taper guide frame, on the top surface flanged plate and bottom side flanges plate of single-unit steel form;Rubber strip is only starched in bottom, positioned at the bottom surface of coxopodite single-unit steel form.The present invention can satisfy the application environment for having the underwater column body section of the overlay structures such as bridge floor or harbour face to increase at the top of cylinder, the underwater grouting formwork structure and its construction method for making constructional difficulties become prone to operate, high degree of automation, reliable in quality, construction risk and cost are reduced, working efficiency is improved.

Description

A kind of the underwater grouting formwork structure and its construction method of pole section increasing
Technical field
The present invention relates to the underwater grouting formwork structures that a kind of formwork structure more particularly to a kind of pole section increase, and It is related to the construction method of the underwater grouting formwork structure increased for the pole section.
The present invention, which can satisfy at the top of cylinder, has the underwater column body section of the capital structure of the coverings such as bridge floor or harbour face to add Big application environment.
Background technique
The engineering structures such as marine or Ha Noi bridge, harbour are needed because of structure repair or transformation to cylinders such as stake, column or cylinders Structure enlarged cross section achievees the purpose that improve bearing capacity and stability.And it is needed in water before the grouting of underwater column body enlarged cross section Installation template, template is to enclose water-bound one kind, i.e. formwork structure in this water, realizes and comes out the space of grouting is independently divided, It prevents from being in the milk exposed.
Underwater column body template installation common method encloses water-bound to squeeze into steel cylinder in soil using vibration hammer and being used as at present, or Integral mold plate is hung using lifting appliance enter water and install, or hang that piecemeal template is assembled under water, and above method is not suitable on cylinder top There is the capital structure of the coverings such as bridge floor or harbour face in portion, and operating space is small on the water surface, the big depth of water, water turbidity, water flow are anxious, wave And ebb of rising influences to complete the installation that water center pillar body section increases grouting template under one or more of restrictive conditions such as big, especially not The construction for the large-scale template for being suitble to the underwater big high pole section in section to increase.In the above conditions, sight is poor under water by diver, Operating condition is complicated, the installation of template can only be completed by gropingly doing some simple movements, template immersing is assembled, adjusts It aligns, support, only starching and Demolition Construction difficulty is big, operation safety risk is high, and quality control difficulty is big, and construction efficiency is low.
Summary of the invention
The technical problem to be solved by the present invention is to need to provide one kind and can satisfy at the top of cylinder to have bridge floor or harbour face The underwater grouting formwork structure that the pole section of the capital structure of equal coverings increases, and the water increased for the pole section is provided The construction method of lower grouting formwork structure.
In this regard, the present invention provides a kind of underwater grouting formwork structure that pole section increases, comprising:
It realizes that bearing is underwater positioned at the bottom of existing cylinder, including supporting template structure and basal plane and fills in template bottom surface basis The compression that slurry rubber strip is stopped in slurry template and bottom is only starched;
Single-unit steel form is set to around existing cylinder, the underwater grouting template merogenesis that existing pole section is increased at The production of single-unit steel form, single-unit steel form are divided into 2 pieces of half of single-unit steel form production, are assembled into single-unit steel form then to realize Underwater merogenesis sinking is assembled;
Idler wheel slideway structure is mounted on existing cylinder, for realizing the guiding of sinking, support in the water of single-unit steel form And limit;
Fine tuning location structure is installed on surrounding and the inside of single-unit steel form, for underwater fine tuning 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 and lower position Underwater guiding docking between single-unit steel form;
Rubber strip is only starched in bottom, exposed for preventing from being in the milk positioned at the bottom surface of coxopodite single-unit steel form.
A further improvement of the present invention is that one side of something single-unit steel form includes top surface flanged plate, bottom side flanges plate, erects Straight piece connection bolt and steel facing, the top surface flanged plate and bottom side flanges plate be respectively arranged at the steel facing top surface and Bottom surface, vertical piece connection bolt are set between 2 pieces of half of single-unit steel forms of same level height.
A further improvement of the present invention is that the taper guide frame includes guiding cone, cone bottom threaded hole, cone company Fixation hole and cone connecting screw are connect, the cone is connected and fixed hole and is located on the top surface flanged plate of single-unit steel form, the cone Bottom threaded hole is located at the bottom of guiding cone, and the cone connecting screw is connected and fixed hole by cone and is set to the guide cone The bottom of body, the lower end of the cone connecting screw are located at the lower section that cone is connected and fixed hole.
The present invention also provides a kind of construction method for the underwater grouting formwork structure that pole section increases, the construction methods For realizing the underwater grouting formwork structure that pole section as described above increases, and the following steps are included:
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;
Then step S4 splits into half of single-unit steel form to a whole set of template number;
Rubber strip is only starched in step S5, land installation bottom;
Step S6, idler wheel slideway structure fabrication and installation;
Step S7, suspension rope upper end tie up on the lifting equipment in the structure of capital or other lifting equipments, lower end suspention The half of single-unit steel form of 2 pieces of coxopodite single-unit steel form installs vertical piece connection bolt, on the water surface in existing cylinder two sides Or the water surface is nearby combined into single-unit steel form, holds around existing cylinder;
Step S8, transfers suspension rope, and coxopodite single-unit steel form is single in water along idler wheel slideway structure sinking down Save steel form bottom surface close to the template bottom surface basis basal plane when suspend;
Step S9 is adjusted and is positioned using fine tuning location structure single-unit steel form, then loosens suspension rope, single-unit punching block Plate puts down completely and is supported on the basal plane on the template bottom surface basis, and rubber strip is only starched in compression bottom;
Step S10 utilizes taper with each single-unit steel form more than same method section by section sinking coxopodite single-unit steel form The single-unit steel form that guide frame completes upper and lower position is oriented to docking under water;
Step S11, installs the internode between single-unit steel form and single-unit steel form immediately after every section single-unit steel form docking Connect bolt;
Step S12 is positioned by the adjustment that fine tuning location structure completes single-unit steel form;
Step S13, until template is installed and carries out underwater grouting after passed examination;
Step S14 screws out adjusting screw until can when the top surface of grouting rises close to the adjusting screw of fine tuning location structure Adjust the end face of screw rod being located in single-unit steel form 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.
A further improvement of the present invention is that in the step S1, the basal plane flatness on the template bottom surface basis is Within 30mm.
A further improvement of the present invention is that the step S5, the cross for starching rubber strip is stopped in the bottom of coxopodite single-unit steel form Section be it is rectangular, be divided into 2 bottom surfaces for being respectively adhered on the bottom side flanges plate of 2 pieces of half of single-unit steel forms, rubber is only starched in bottom The length of item is consistent with the length of bottom side flanges plate of half of single-unit steel form;Only starch rubber strip installation method in bottom are as follows: half After the top surface brushing bonding agent for starching rubber strip is stopped in the bottom side flanges board bottom face or bottom of side single-unit steel form, rubber is only starched in bottom Item is pasted onto the bottom side flanges board bottom face of half of single-unit steel form, then slings half of single-unit steel form, keeps bottom side flanges plate Bottom surface downward, is stood up on smooth solid platform, and bottom is made only to starch rubber strip under the gravity of half of single-unit steel form Compression is simultaneously completely closely connected in bottom side flanges board bottom face, realizes securely stickup, prevents template from installing under water and bottom in filling process Only slurry rubber strip falls off, for stifled between the bottom side flanges board bottom face of coxopodite single-unit steel form and the basal plane on template bottom surface basis Seam and only slurry.
A further improvement of the present invention is that idler wheel slideway structure includes fixing piece, support rod, turns in the step S6 Moving axis and idler wheel;The fixing piece is fixed on existing cylinder, and the support rod is connect with fixing piece, the inner termination of the support rod It shores on existing cylinder, the rotation axis is located at the external end head of support rod;Aperture among the idler wheel, to wear on the rotating shaft Realization is freely rotated;The idler wheel slideway structure is layered along existing column vertical direction to be arranged, every layer circumferentially disposed 3 or more Idler wheel, 10~50mm of spacing between the outer edge of the idler wheel and the steel facing of single-unit steel form, for realizing single-unit punching block The plate guiding of sinking, support and limit in water.
A further improvement of the present invention is that the guiding cone of taper guide frame is using circle in the step S3 and S10 Shape steel pricker, surface is smooth, utilizes the cone of the top surface flanged plate of the cone bottom threaded hole and lower section single-unit steel form of guiding cone bottom Body is connected and fixed hole installation cone connecting screw, guiding cone is fixed on the top surface flanged plate of lower section single-unit steel form, institute The cone for stating guiding cone is upward, on the bottom side flanges plate of the upper section single-unit steel form right above guiding cone installation site Corresponding position processes cone and is oriented to hole, and the cone guiding hole dia is 2~5mm bigger than guiding cone basal diameter, for up and down Underwater mating guiding between the single-unit steel form of position;During upper section single-unit steel form sinking, the cone of bottom side flanges plate The cone of guiding cone that body guiding hole is automatically aligned to and is inserted on the top surface flanged plate of lower section single-unit steel form, in Gravitative Loads It is lower to glide along guiding cone surface, it falls on the top surface flanged plate of lower section single-unit steel form, is automatically performed 2 section lists of upper and lower position Save the accurate guiding docking between steel form.
A further improvement of the present invention is that fine tuning location structure includes screw shell and adjustable spiral shell in the step S9 Bar, the screw shell are welded on single-unit steel form surrounding, on the cruciform symmetry axis of same level;Screw shell is close The end top surface of existing cylinder side and the steel facing inner face of single-unit steel form are on a vertical plane;The adjusting screw setting In in the screw shell, can spinning in and out, precession and screw out can be with dynamic model when the adjusting screw withstands existing damaged surface Plate, fine tuning and locating template for plan-position.
A further improvement of the present invention is that the adjusting screw of fine tuning location structure is in filling process in the step S14 Outside middle back-out to grouting range, keep the single-unit steel form dismountable.
Compared with prior art, the beneficial effects of the present invention are underwater grouting template knots that the pole section increases Structure and its construction method, can satisfy at the top of cylinder has the underwater column body section of the capital structure of the coverings such as bridge floor or harbour face to add Big application environment, operating space is small on the water surface, operation at sea limited space, the big depth of water, water turbidity, water flow are anxious, wave And ebb of rising influences also construct under one or more of restrictive conditions such as big and completes the underwater grouting template of pole section increasing Structure makes the underwater grouting formwork structure of constructional difficulties and its construction method become prone to operate, and high degree of automation, quality can It leans on, security risk is minimized, and on the basis of improving working efficiency, also reduces construction cost.
Detailed description of the invention
Fig. 1 is the positive structure diagram of an embodiment of the present invention;
Fig. 2 is the overlooking 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 structure diagram of the taper guide frame of Fig. 5 an embodiment of the present invention;
The structural schematic diagram of the fine tuning location structure of Fig. 6 an embodiment of the present invention;
The schematic diagram of the section structure of the fine tuning location structure of Fig. 7 an embodiment of the present invention.
Marked in the figure: the existing cylinder of 1-;The capital 2- structure;3- template bottom surface basis, 31- supporting template structure, 32- base Face;4- single-unit steel form, 41- one side of something single-unit steel form, the top surface 411- flanged plate, 412- bottom side flanges plate, the vertical piece of 413- Bolt, 414- steel facing are connected, 42- internode connects bolt;5- idler wheel slideway structure;51- fixing piece;52- support rod;53- turns Moving axis;54- idler wheel;6- fine tuning location structure, 61- adjusting screw;62- screw shell;7- taper guide frame;71- guide cone Body;72- bores bottom threaded hole;73- cone is connected and fixed hole;74- cone connecting screw;75- cone is oriented to hole;Only starch rubber in the bottom 8- Adhesive tape;9- suspension rope.
Specific embodiment
With reference to the accompanying drawing, preferably embodiment of the invention is described in further detail.
Embodiment 1:
As shown in Figures 1 to 7, this example provides a kind of underwater grouting formwork structure that pole section increases, comprising:
Template bottom surface basis 3 is set to the bottom of existing cylinder 1, including supporting template structure 31 and basal plane 32, realizes branch It holds underwater grouting template and bottom and stops and starch the compression of rubber strip 8 and only starch;
Single-unit steel form 4 is set to around existing cylinder 1, the underwater grouting template merogenesis that existing 1 section of cylinder is increased Made at 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 underwater merogenesis sinking is assembled;
Idler wheel slideway structure 5 is mounted on existing cylinder 1, for realizing the guiding of sinking in the water of single-unit steel form 4, Support and limit;
Fine tuning location structure 6 is installed on surrounding and the inside of single-unit steel form 4, for underwater fine tuning and positioning single-unit steel Template 4;
Taper guide frame 7, top surface flanged plate 411 and bottom surface positioned at the half of single-unit steel form 41 of single-unit steel form 4 On flanged plate 412, for the underwater guiding docking between the single-unit steel form 4 of upper and lower position;
Rubber strip 8 is only starched in bottom, exposed for preventing from being in the milk positioned at the bottom surface of coxopodite single-unit steel form 4.
As shown in Figures 2 to 7, one side of something single-unit steel form 41 described in this example includes top surface flanged plate 411, bottom side flanges plate 412, vertical piece connection bolt 413 and steel facing 414, the top surface flanged plate 411 and bottom side flanges plate 412 are respectively arranged at The top and bottom of the steel facing 414, vertical piece connection bolt 413 are set to 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 threaded hole 72, cone It is connected and fixed hole 73 and cone connecting screw 74.The cone is connected and fixed the top surface flanged plate that hole 73 is located at single-unit steel form 4 On 411, the cone bottom threaded hole 72 is located at the bottom of guiding cone 71, and the cone connecting screw 74 is connected and fixed by cone Hole 73 is set to the bottom of the guiding cone 71, and the lower end of the cone connecting screw 74 is located at cone and is connected and fixed hole 73 Lower section.
This example template bottom surface basis 3 is basic component, and the bottom of the coxopodite single-unit steel form 4 is provided with bottom and only starches rubber Adhesive tape 8, the bottom stop starch rubber strip 8 cross section be it is rectangular, the bottom only starch rubber strip 8 be pasted onto single-unit steel form 4 Bottom side flanges plate 412 bottom surface.For the guiding cone 71 using round steel pricker, surface is smooth.Template bottom surface basis 3 The flatness of basal plane 32 is within 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 entire underwater grouting formwork structure;The single-unit steel form 4 is will It is set to the assembled template assembly segment that is suitable for around existing cylinder 1, one side of something single-unit steel form 41 is half of single-unit Steel form, 2 half of single-unit steel forms 41, which are bolted together, can obtain single-unit steel form 4, and by all single-unit steel 4 assembly of template, which is got up, can obtain the template of complete underwater grouting formwork structure, 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 idler wheel slideway structure 5 is mounted on existing cylinder 1, for realizing list by the idler wheel 54 of idler wheel slideway structure 5 Save the guiding of sinking, support and the limit in water of steel form 4;The fine tuning location structure 6, is installed on the four of single-unit steel form 4 Week and inside position single-unit steel form 4 for underwater fine tuning;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 underwater guiding docking between the single-unit steel form 4 of upper and lower position;It is described Rubber strip 8 is only starched in bottom, positioned at the bottom surface of the bottom side flanges plate 412 of coxopodite single-unit steel form 4 and the basal plane on template bottom surface basis 3 Between 32, that is, it is located between the bottom surface of single-unit steel form 4 and the basal plane 32 on template bottom surface basis 3 of bottom, is used for coxopodite Caulking joint and only slurry between the bottom surface of the bottom side flanges plate 412 of single-unit steel form 4 and the basal plane 32 on template bottom surface basis 3, are used for It prevents from being in the milk exposed;This example these components recited above are all the products that industrialization generates, and can be realized automation Construction control.
This example also provides a kind of underwater grouting formwork structure construction method that pole section increases, and the construction method is used for Realize the underwater grouting formwork structure that pole section as described above increases, and the following steps are included:
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;
Then step S4 splits into half of single-unit steel form 41 to a whole set of template number;
Rubber strip 8 is only starched in step S5, land installation bottom;
Step S6,5 fabrication and installation of idler wheel slideway structure;
Step S7,9 upper end of suspension rope tie up on the lifting equipment in capital structure 2 or other lifting equipments, and lower end is outstanding 2 pieces of half of single-unit steel forms 41 of coxopodite single-unit steel form 4 are hung in existing 1 two sides of cylinder, vertical piece connection bolt is installed 413, it is combined into single-unit steel form 4 on the water surface or near the water surface, holds around existing cylinder 1;
Step S8, transfers suspension rope 9, and coxopodite single-unit steel form 4 sinks along the idler wheel slideway structure 5 in water Put, the bottom surface of single-unit steel form 4 close to template bottom surface basis 3 basal plane when suspend;
Step S9 is adjusted and is positioned using fine tuning location structure 6 single-unit steel form 4, then loosens suspension rope 9, single-unit Steel form 4 puts down completely and is supported on the basal plane 32 on template bottom surface basis 3, and rubber strip 8 is only starched in compression bottom;
Step S10 utilizes cone with each single-unit steel form 4 of same method 4 or more sinking coxopodite single-unit steel form section by section Shape guide frame 7 completes the underwater guiding docking of the single-unit steel form 4 of upper and lower position;
Step S11, every section single-unit steel form 4 install the section between single-unit steel form 4 and single-unit steel form 4 immediately after docking Between connect bolt 42;
Step S12 is positioned by the adjustment that fine tuning location structure 6 completes single-unit steel form 4;
Step S13, until template is installed and carries out underwater grouting after passed examination;
Step S14 screws out adjusting screw 61 when the top surface of grouting rises close to the adjusting screw 61 of fine tuning location structure 6 Until adjusting screw 61 is located at the end face in single-unit steel form 4 and concordant with the inner face of the steel facing of single-unit steel form 4 414;
Step S15 removes auxiliary mounting structure, merogenesis piecemeal form removal after grouting solidification from top to bottom.
Preferably, in the step S7, if existing cylinder 1 section increase grouting material (grouting material include mortar and Concrete etc.) in be equipped with framework of steel reinforcement, then the fixing piece 51 of the idler wheel slideway structure 5 and support rod 52 are in combination with structure reinforcing bars 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 idler wheel slideway structure 5 is realized after manufacturing is fixed under water on existing cylinder 1.The step In rapid S14, auxiliary mounting structure include the guiding cone 71 of taper guide frame 7, fine tuning location structure 6 adjusting screw 61, The vertical piece connection bolt 413 of the half of single-unit steel form 41 of single-unit steel form 4 and two section single-unit punching blocks of upper and lower position Internode between plate 4 connects bolt 42;The i.e. described auxiliary mounting structure refers to each component for assisting installation.
In step S1 described in this example, the flatness of the basal plane 32 on template bottom surface basis 3 is preferably controlled within 30mm, Template bottom surface basis 3 be to create concrete slab, any one in existing collated cushion cap and bottom plate.
In step S5 described in this example, the bottom of coxopodite single-unit steel form 4 stop starch rubber strip 8 cross section be it is rectangular, be divided into 2 Item 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 stop the length for starching rubber strip 8 and The length of the bottom side flanges plate 412 of half of single-unit steel form 41 is consistent;Only starch 8 installation method of rubber strip in bottom are as follows: half of single After the top surface brushing bonding agent for starching rubber strip 8 is stopped in 412 bottom surface of bottom side flanges plate or bottom for saving 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, then slings half of single-unit steel form 41, keeps 412 bottom surface of bottom side flanges plate downward, is stood up on smooth solid platform, and bottom is made only to starch rubber strip 8 in half of single-unit punching block The gravity pushing of plate 41 is contractd completely closely connected in 412 bottom surface of bottom side flanges plate, is realized and is securely pasted, prevents template from pacifying under water Bottom only starches rubber strip 8 and falls off in dress and filling process, for 412 bottom surface of bottom side flanges plate of coxopodite single-unit steel form 4 and mould Caulking joint and only slurry between the basal plane 32 on board bottom face basis 3.
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 round steel pricker, table Face is smooth, utilizes the cone of the top surface flanged plate 411 of the cone bottom threaded hole 72 and lower section single-unit steel form 4 of 71 bottom of guiding cone It is connected and fixed hole 73 and cone connecting screw 74 is installed, guiding cone 71 is fixed on to the top surface flanged plate of lower section single-unit steel form 4 On 411, the cone of guiding cone 71 is upward, the bottom of the upper section single-unit steel form 4 right above 71 installation site of guiding cone Corresponding position processing cone is oriented to hole 75 on face flanged plate 412, and it is bigger by 2 than 71 basal diameter of guiding cone that cone is oriented to 75 diameter of hole ~5mm, for the underwater mating guiding between the single-unit steel form 4 of upper and lower position.
In step S10 described in this example, the cone guiding of its bottom side flanges plate 412 during upper 4 sinking of section single-unit steel form The cone of guiding cone 71 that hole 75 is automatically aligned to and is inserted on the top surface flanged plate 411 of lower section single-unit steel form 4, from recast It is glided with lower along 71 surface of guiding cone, falls 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 set.
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 be welded on 4 surrounding of single-unit steel form, positioned at the cruciform symmetry axis of same level On, screw shell 62 hangs down close to the end top surface of existing 1 side of cylinder and 414 inner face of steel facing of single-unit steel form 4 at one It faces directly;The front end of the adjusting screw 61 is threaded screw rod, is set in the screw shell 62, adjustable by rotating manually Screw rod 61 can realize the precession and back-out of adjusting screw 61, and the adjusting screw 61 withstands existing 1 surface of cylinder, be used for template position The fine tuning and positioning set.Template described in this example is the abbreviation of the underwater grouting formwork structure.
In step S6 described in this example, idler wheel slideway structure 5 be by welded steel at space structure, divide two halves production peace Dress, inside, which is held around, to be fixed on existing cylinder 1, and idler wheel 54 is installed in outside;The idler wheel slideway structure 8 is vertical along existing cylinder 1 Direction layering setting, layering spacing are less than template merogenesis length, independent single layer structure can be used, can also can between upper and lower level If vertical connecting rod, space structure is formed;If pile body section increases in concrete and is equipped with framework of steel reinforcement (cage), idler wheel slideway knot Structure 5 is attached on framework of steel reinforcement and installs together;If pile body section increases no-reinforcing-bar skeleton in grouting material, idler wheel slideway structure 5 is made After work, it is fixed on existing cylinder 1 under water.The idler wheel slideway structure 5 of single layer includes fixing piece 51, support rod 52, rotation Axis 53 and idler wheel 54.The fixing piece 51 divides two halves fabrication and installation, holds around and is fixed on existing cylinder 1;The support rod 52 It is connect with fixing piece 51, inner termination is shored on existing cylinder 1;The rotation axis 53 is fixed on 52 external end head of support rod;It is described Idler wheel 54 uses concrete structure or the stainless steel outer packed cylinder of concrete, diameter about 100mm, thickness about 50mm;Idler wheel 54 is cylinder Body is made of pea gravel concreten or mortar, and centre is boxed out, is through in rotation axis 53, can freely be rotated around rotation axis 53.Single layer Idler wheel slideway structure 5 arranges quantity 4~10 of idler wheel 54, and all 54 outer rims of idler wheel are in same level, and and single-unit The spacing of the steel facing 414 of steel form 4 is consistent, spacing is preferably 10~50mm, for realizing the sinking in water of single-unit steel form 4 Guiding, support and limit.
The template of underwater grouting formwork structure described in this example makes using merogenesis piecemeal, and large-scale integral mold plate is avoided to make The difficulty of transport, when lifting, the lifting equipments such as lesser crane ship machine or cucurbit that can be used can lift by crane sinking one side of something single-unit punching block Plate 41 or single-unit steel form 4, in the case where there is the covering of capital structure 2 in the top surface of existing cylinder 1, on the water surface operating space it is small, Underwater formwork hoisting is completed when large lifting equipment is not available;Idler wheel slideway structure 5, described in idler wheel slideway structure 5 pacify In the structure of existing cylinder 1, for guiding, support and the limit of sinking in 4 water of single-unit steel form, reduces template sliding and rub It wipes, makes to save the easy contraposition of template up and down, so that the cone on section single-unit steel form 4 is oriented to hole 75 and be automatically aligned to and be inserted in lower section list The guiding cone 71 on the top surface flanged plate 411 of steel form 4 is saved, and can be sunk automatically under Gravitative Loads in place, is completed up and down The guiding of the single-unit steel form 4 of position is docked;Fine tuning location structure 6, described in adjusting screw 61 can accurately adjust template Plan-position is fixedly supported template;Taper guide frame 7, described in guide frame make the biggish upper and lower position of difficulty 4 underwater mating of single-unit steel form become that simple and aligning accuracy is high, internode connection bolt 42 can be installed smoothly;Only starch rubber in bottom Adhesive tape 8, described in bottom only starch rubber strip 8 it is compressed when effectively prevent being in the milk it is exposed.
The underwater grouting formwork structure and its construction method that pole section described in this example increases, can satisfy has at the top of cylinder The application environment that the underwater column body section of the capital structure 2 of the coverings such as bridge floor or harbour face increases, operating space is small, big on the water surface Cylinder can be also completed under one or more of restrictive conditions such as the depth of water, water turbidity, water flow are anxious, wave and ebb influence of rising are big to cut The underwater grouting formwork structure that face increases, makes the underwater grouting formwork structure of constructional difficulties and its construction method become prone to grasp Make, high degree of automation, reliable in quality, security risk is minimized, and on the basis of improving working efficiency, is also reduced and is constructed into This.
Single-unit steel form 4 described in this example divides 2 pieces of half of single-unit steel forms 41 to make, and examination splits into half of single-unit steel after the completion of spelling Template 41 after transporting 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.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 under pause It puts, is transferred 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 sunk with same method merogenesis assembly and next section list It saves the docking of steel form 4 and completes adjustment positioning using fine tuning location structure 6 after the completion.The merogenesis length root of the single-unit steel form 4 It is determined 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 it is welded on template surrounding, the spiral shell on the cruciform symmetry axis of same level Line sleeve 62 and adjusting screw therein 61.The aperture 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, precession withstands the surface of existing cylinder 1, is used for 4 position of single-unit steel form It adjusts and fixed.Bottom and top and the epimerite single-unit steel of coxopodite single-unit steel form 4 is arranged in 6 vertical demixing of fine tuning location structure The top at the top of template 4, intermediate single-unit steel form 4 can be set as needed, and every 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 When the distance of inner face 5~20mm smaller than the designed distance of steel facing 414 inner face 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 is adjusted using adjusting screw 61 after docking and is positioned.
If 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 It is screwed out before pre-hardening to the inner face of the steel facing 414 of the concordant template of inner termination, other adjusting screws 61 rise in grouting face close to 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 can individually be removed or with single-unit Steel form 4 is removed together.If template is not removed, the adjusting screw 61 of fine tuning location structure 6 can be stayed in concrete, be used 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.It leads To cone 71 using round steel pricker, surface is smooth, utilizes the cone bottom threaded hole 72 and lower section single-unit punching block of 71 bottom of guiding cone The cone of the top surface flanged plate 411 of plate 4 is connected and fixed hole 73 and installs cone connecting screw 74, and guiding cone 71 is fixed on lower section On the top surface flanged plate 411 of single-unit steel form 4, the cone of guiding cone 71 is upward, right above 71 installation site of guiding cone Upper section single-unit steel form 4 bottom side flanges plate 412 on corresponding position processing cone be oriented to hole 75, cone be oriented to 75 diameter of hole It is 2~5mm bigger than 71 basal diameter of guiding cone.During upper 4 sinking of section single-unit steel form, the cone of bottom side flanges plate 412 The cone of guiding cone 71 that guiding hole 75 is automatically aligned to and is inserted on the top surface flanged plate 411 of lower section single-unit steel form 4, from Recast is glided with lower along 71 surface of 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.It is subsequently mounted internode connection bolt 42, completes template connection. The guiding cone 71 i.e. dismountable reuse after the completion of template is installed or is in the milk.
The template reaches the guiding cone of design or code requirement and taper guide frame 7 in the slurry intensity of grouting 71, the adjusting screw 61 of fine tuning location structure 6, the vertical piece connection bolt 413 of single-unit steel form 4 and internode connect bolt 42 After dismounting, the same suspension rope 9 and lifting equipment installed and used using template can merogenesis piecemeal form removal, template finishing It is reusable afterwards.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (9)

1. a kind of construction method for the underwater grouting formwork structure that pole section increases, which comprises 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;
Then step S4 splits into half of single-unit steel form to a whole set of template number;
Rubber strip is only starched in step S5, land installation bottom;
Step S6, idler wheel slideway structure fabrication and installation;
Step S7, suspension rope upper end tie up on the lifting equipment in the structure of capital or other lifting equipments, and lower end suspends coxopodite in midair 2 pieces of single-unit steel form half of single-unit steel forms install vertical piece connection bolt in existing cylinder two sides, on the water surface or water Face is nearby combined into single-unit steel form, holds around existing cylinder;
Step S8 transfers suspension rope, and coxopodite single-unit steel form is in water along idler wheel slideway structure sinking down, single-unit steel The bottom surface of template close to the template bottom surface basis basal plane when suspend;
Step S9 is adjusted and is positioned using fine tuning location structure single-unit steel form, then loosens suspension rope, single-unit steel form is complete It puts down and is supported on the basal plane on the template bottom surface basis entirely, rubber strip is only starched in compression bottom;
Step S10 is oriented to each single-unit steel form more than same method section by section sinking coxopodite single-unit steel form using taper The single-unit steel form that structure completes upper and lower position is oriented to docking under water;
Step S11, installs the internode connection between single-unit steel form and single-unit steel form immediately after every section single-unit steel form docking Bolt;
Step S12 is positioned by the adjustment that fine tuning location structure completes single-unit steel form;
Step S13, until template is installed and carries out underwater grouting after passed examination;
Step S14 screws out adjusting screw until adjustable spiral shell when the top surface of grouting rises close to the adjusting screw of fine tuning location structure The end face of bar being located in single-unit steel form 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;
The underwater grouting formwork structure that the construction method increases for realizing pole section as described below, the pole section The underwater grouting formwork structure of increasing, comprising:
Bearing underwater grouting mould is realized positioned at the bottom of existing cylinder, including supporting template structure and basal plane in template bottom surface basis The compression that slurry rubber strip is stopped in plate and bottom is only starched;
Single-unit steel form is set to around existing cylinder, and the underwater grouting template merogenesis that existing pole section is increased is at single-unit Steel form production, single-unit steel form are divided into 2 pieces of half of single-unit steel form production, and it is underwater to realize then to be assembled into single-unit steel form Merogenesis sinking is assembled;
Idler wheel slideway structure is mounted on existing cylinder, for realizing guiding, support and the limit of sinking in the water of single-unit steel form Position;
Fine tuning location structure is installed on surrounding and the inside of single-unit steel form, for underwater fine tuning and positioning single-unit steel form;
Taper guide frame, the single-unit on the top surface flanged plate and bottom side flanges plate of single-unit steel form, for upper and lower position Underwater guiding docking between steel form;
Rubber strip is only starched in bottom, exposed for preventing from being in the milk positioned at the bottom surface of coxopodite single-unit steel form.
2. the construction method for the underwater grouting formwork structure that pole section according to claim 1 increases, which is characterized in that One side of something single-unit steel form includes top surface flanged plate, bottom side flanges plate, vertical piece connection bolt and steel facing, the top surface Flanged plate and bottom side flanges plate are respectively arranged at the top and bottom of the steel facing, and vertical piece connection bolt is set to same Between the half of single-unit steel form of 2 pieces of level height.
3. the construction method for the underwater grouting formwork structure that pole section according to claim 1 increases, which is characterized in that The taper guide frame includes that guiding cone, cone bottom threaded hole, cone are connected and fixed hole and cone connecting screw, the cone It is connected and fixed hole to be located on the top surface flanged plate of single-unit steel form, the cone bottom threaded hole is located at the bottom of guiding cone, described Cone connecting screw is connected and fixed the bottom that hole is set to the guiding cone, the lower end of the cone connecting screw by cone The lower section in hole is connected and fixed positioned at cone.
4. the construction method of the underwater grouting formwork structure increased according to claim 1 to pole section described in 3 any one, It is characterized in that, the basal plane flatness on the template bottom surface basis is within 30mm in the step S1.
5. the construction method of the underwater grouting formwork structure increased according to claim 1 to pole section described in 3 any one, It is characterized in that, the step S5, the bottom of coxopodite single-unit steel form stop starch rubber strip cross section be it is rectangular, be divided into 2 points It is not pasted onto the bottom surface of the bottom side flanges plate of 2 pieces of half of single-unit steel forms, the length for starching rubber strip and half of single-unit steel are stopped in bottom The length of the bottom side flanges plate of template is consistent;Only starch rubber strip installation method in bottom are as follows: in the bottom surface method of half of single-unit steel form After the top surface brushing bonding agent for starching rubber strip is stopped in blue board bottom face or bottom, bottom is only starched rubber strip and be pasted onto half of single-unit punching block Half of single-unit steel form is then sling in the bottom side flanges board bottom face of plate, is kept bottom side flanges board bottom face-down, is stood up in smooth heavily fortified point On real platform, make bottom stop starch rubber strip contract in the gravity pushing of half of single-unit steel form it is completely closely connected in bottom surface method Blue board bottom face, realization are securely pasted, and preventing template from installing under water, only slurry rubber strip falls off with bottom in filling process, are used for coxopodite Caulking joint and only slurry between the bottom side flanges board bottom face of single-unit steel form and the basal plane on template bottom surface basis.
6. the construction method of the underwater grouting formwork structure increased according to claim 1 to pole section described in 3 any one, It is characterized in that, idler wheel slideway structure includes fixing piece, support rod, rotation axis and idler wheel in the step S6;The fixing piece It is fixed on existing cylinder, the support rod is connect with fixing piece, and the inner termination of the support rod is shored on existing cylinder, described Rotation axis is located at the external end head of support rod;Aperture among the idler wheel is freely rotated with wearing realization on the rotating shaft;The idler wheel Slideway structure is layered along existing column vertical direction to be arranged, every layer of circumferentially disposed 3 or more idler wheel, the outer edge of the idler wheel 10~50mm of spacing between the steel facing of single-unit steel form, for realizing single-unit steel form in water the guiding of sinking, branch Support and limit.
7. the construction method of the underwater grouting formwork structure increased according to claim 1 to pole section described in 3 any one, It is characterized in that, for the guiding cone of taper guide frame using round steel pricker, surface is smooth, utilizes in the step S3 and S10 The cone of the top surface flanged plate of the cone bottom threaded hole of guiding cone bottom and lower section single-unit steel form is connected and fixed hole installation cone Guiding cone is fixed on the top surface flanged plate of lower section single-unit steel form by connecting screw, and the cone of the guiding cone is upward, Processing cone guiding in corresponding position on the bottom side flanges plate of upper section single-unit steel form right above guiding cone installation site Hole, the cone guiding hole dia is 2~5mm bigger than guiding cone basal diameter, between the single-unit steel form of upper and lower position Underwater mating guiding;During upper section single-unit steel form sinking, the cone guiding hole of bottom side flanges plate is automatically aligned to and covers The cone for entering the guiding cone on the top surface flanged plate of lower section single-unit steel form, under Gravitative Loads under guiding cone surface It is sliding, it falls on the top surface flanged plate of lower section single-unit steel form, it is accurate between 2 section single-unit steel forms of upper and lower position to be automatically performed Guiding docking.
8. the construction method of the underwater grouting formwork structure increased according to claim 1 to pole section described in 3 any one, It is characterized in that, fine tuning location structure includes screw shell and adjusting screw in the step S9, the screw shell is welded on Single-unit steel form surrounding, on the cruciform symmetry axis of same level;Screw shell is pushed up close to the end of existing cylinder side The steel facing inner face of face and single-unit steel form is on a vertical plane;The adjusting screw is set in the screw shell, can Spinning in and out, precession and back-out can be with moving templates, for the thin of plan-position when the adjusting screw withstands existing damaged surface Tune and locating template.
9. the construction method of the underwater grouting formwork structure increased according to claim 1 to pole section described in 3 any one, It is characterized in that, the adjusting screw of fine tuning location structure is screwed out in filling process to outside grouting range in the step S14, Keep the single-unit steel form dismountable.
CN201611071327.3A 2016-11-29 2016-11-29 A kind of the underwater grouting formwork structure and its construction method of pole section increasing Active CN106522234B (en)

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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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CN104234064A (en) * 2014-10-01 2014-12-24 杜东升 Bridge pier cofferdam reinforcing structure and constructing method thereof
CN205223836U (en) * 2015-11-20 2016-05-11 卡本复合材料(天津)有限公司 Be used for fine sleeve of glass of pier stud reinforcement under water
CN205604095U (en) * 2016-05-06 2016-09-28 卡本复合材料(天津)有限公司 Fine sleeve of glass is consolidated and is restoreed pier under water
CN206296762U (en) * 2016-12-19 2017-07-04 新乡市振英机械设备有限公司 Spin vibration sieve screen frame weld seam grinding fixture

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006207129A (en) * 2005-01-25 2006-08-10 Sato Kogyo Co Ltd Pier construction of structure
CN101603290A (en) * 2009-06-25 2009-12-16 四川路桥建设股份有限公司 The job practices of concrete used for reinforcing underwater pier
CN104234064A (en) * 2014-10-01 2014-12-24 杜东升 Bridge pier cofferdam reinforcing structure and constructing method thereof
CN205223836U (en) * 2015-11-20 2016-05-11 卡本复合材料(天津)有限公司 Be used for fine sleeve of glass of pier stud reinforcement under water
CN205604095U (en) * 2016-05-06 2016-09-28 卡本复合材料(天津)有限公司 Fine sleeve of glass is consolidated and is restoreed pier under water
CN206296762U (en) * 2016-12-19 2017-07-04 新乡市振英机械设备有限公司 Spin vibration sieve screen frame weld seam grinding fixture

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