The construction method of gasbag-type concrete works movement joint sealing swaging die
Technical field
The present invention relates to a kind of underground/submerged structure water-tight device, more particularly to a kind of gasbag-type concrete works deformation
The construction method of seam sealing swaging die.
Background technology
In existing xoncrete structure, such as underground such as checkdam, cistern, subway, culvert, sluice, tunnel, under water
In engineering, due to being unable to continuous placing or the deformation due to settlement of foundation (earthquake), or the coagulation caused due to the change of temperature
The reason such as expand with heat and contract with cold of native component, deliberately leave often movement joint pouring, and these gaps will take anti-seep measure, prevent
External water or subsoil water are leaked in structure space, and present usual way is set between fist stage concrete and second stage concrete
Concrete pit is put, maltha and copper sheet or rubber water-proof piece are set in groove, however, this method needs advance concrete soil box, be
Enable concrete pit to combine closely with second stage concrete, need to carry out dabbing process to 3 faces of concrete pit periphery, thus can
Extend the duration and increase artificial, simultaneously because concrete pit is general to only have 50-100cm per segment length (height), deformation gap will
Connected and composed by multiple concrete pits, therefore a plurality of transverse slot, and the irregular deformation of multiple concrete pits, meeting can be produced
The race for causing postorder perfusion maltha emits phenomenon, and is difficult to clean up;And adopt number of patent application 2014100489253 with channel-section steel
Replace the technology of concrete pit, although can save expense and reduction of erection time than former construction method, but because channel-section steel will be retained
In dam body, it is not possible to reuse, still cause to waste, therefore urgent need one kind can precast in second stage concrete section and put
Hold the die cavity equipment of Colophonium.
The content of the invention
In order to solve the above problems, the present invention provides a kind of construction of gasbag-type concrete works movement joint sealing swaging die
Method, the swaging die of the present invention can second stage concrete section it is preset go out a semicircle die cavity, pour into Colophonium, and
Swaging die can be repeatedly used using rear taking-up, using the vertical water sealing structure of this swaging die can meet various ground condition/
Stratum differential settlement or the changing of the relative positions, telescopic displacement etc., can be with material-saving expense and reduction of erection time.
For achieving the above object, the present invention provides following technical scheme:
A kind of manufacture method of gasbag-type concrete works movement joint sealing swaging die, described swaging die include skeleton and
Air bag, it is characterised in that including following technique and step:
1) carcasing:Skeleton is rectangular steel plates, and thickness 2-4mm, length is more than movement joint height 20-40cm, at middle part
Fold/weld groove, depth of groove is 15-30cm, recess width 5-10cm, skeleton 30-50cm containing recess width, in skeleton
Both sides are longitudinally spaced-apart setting fixing hole, and on the upper recess of skeleton lifting hole(eyelet) is arranged, and in the lower end of skeleton bottom is arranged
Seat, the radius of described base is equal to the depth of the groove, and two sides of skeleton arrange 45 ° of chamferings;
2) air bag makes:Air bag is rubber casting, is semicircle or more than half elliptical cylinder-shape, and the middle part of its plane is longitudinally provided with gas
Capsule groove, the size of air bag groove is matched with skeleton groove, and the thickness of its groove walls and two side is more than the thickness of antetheca circular arc,
General air bag groove and both sides wall thickness are 2 times of antetheca circular arc thickness, and gradually forward wall circular arc is thinning for two side;Described
Its upper end of air bag is provided with valve cock, and lower end sets Packed bottom, and the both sides of the fore-and-aft plane of air bag are provided with several fixing points, each solid
The position of fixed point, size with corresponding skeleton fixing hole and match;The demoulding and some strength is reached for convenience, described gas
Capsule selects quality of rubber materials, and reinforcing fiber silk in length and breadth is accompanied inside airbag wall, in order that Colophonium is in concrete-type intracavity
Adhesive to be more preferably distributed with projection in air bag circular arc external surface, projection can be round point shape, or in vertical or horizontal convex
Go out the glazing bar on surface, concave point or groove can be formed after the demoulding in die cavity, to increase the cohesive force of Colophonium.
3) assembling of swaging die:Air bag groove is directed at into skeleton groove, air bag bottom is arranged on skeleton base, positioned at gas
The fixing point of capsule backward plane is sticked into be arranged on to be assembled integrally in the corresponding fixing hole of skeleton and formed swaging die.
The present invention also disclosed a kind of construction method of gasbag-type concrete works movement joint sealing swaging die, including as follows
Technique and step:
1) fist stage concrete is poured:One side that sealing copper sheet has knuckle is preset in into the section part of deformed concrete crack,
Copper sheet is longitudinally disposed at the centre of concrete cross section width, the pre-buried half of its width, protrudes half, fixed form and sealing piece
After-pouring fist stage concrete;
2) setting of swaging die:Fist stage concrete solidifies a couple of days, and swaging die, the bone of swaging die are arranged at concrete cross section
Frame groove is stuck on the copper sheet of fist stage concrete section protrusion, and coal tar hair is arranged on the concrete cross section of skeleton both sides
Felt;
3) air bag pressurization:Add compression empty from the valve cock for being arranged on air bag top in the air bag of the swaging die for setting
Gas, air bag forms certain air pressure;
4) second stage concrete is poured:After setting air bag pressure and template, second stage concrete is poured according to profile height layering
Build, each every layer of 50cm or so, wait lower floor's initial set to have after certain degree of hardness and pour last layer again, until it reaches the height of needs;
5) die cavity is formed:After second stage concrete initial set, air pressure in air bag is released, suspension hook is set in the lifting hole(eyelet) of skeleton,
Swaging die is hung out, in second stage concrete section part semicircle die cavity is formed;
6) asphalt reperfusion:Molten asphalt is filled in semicircle die cavity, is cooled down;
7) when multiple movement joints are arranged, repeat the above steps 1-6, Colophonium does and once irrigate or irrigate for several times;Hang out
Swaging die is cleared up in time, maintained, storage, with profit recycling.
Beneficial effects of the present invention
1. using the swaging die preset mode of the present invention so that one, second stage concrete pour conveniently, section is neat;
2. swaging die hangs out second stage concrete using after and can reuse, and the reduction that can economize on resources is wasted;
3. the permanent seam in the undergrounds such as checkdam, cistern, subway, culvert, sluice, tunnel, Underwater Engineering can be solved
Leakage problems;
4. compare with conventional construction method, because it is not required to concrete soil box, it is possible to reduce needed for concrete soil box
Manually, the expense such as machinery, template;
5. again metal material consumption is saved because being not required to reserved channel-section steel internally;
6. constructed working procedure in the past on critical circuits using this method, be changed into non-key circuit operation, saved
Duration, generate very big economic benefit and social benefit.
7. the technology of the present invention can solve the coagulation that various ground condition/stratum differential settlement or the change due to temperature cause
The deformation joint seepage problem that the reason such as expand with heat and contract with cold of native component causes;Can also prevent because of breaking that the natural disasters such as earthquake cause
Leakage problems caused by the face interface changing of the relative positions, deformation.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the skeleton of the swaging die of the present invention, wherein visible groove and base plate;
Fig. 2 is the dimensional structure diagram of the fluted one side of band of Fig. 1, it is seen that base plate radius is identical with groove height;
Fig. 3 is the dimensional structure diagram of the semicolumn plane one side of Fig. 1, it is seen that the longitudinally spaced spacing in both sides of skeleton
From being provided with fixing hole;
Fig. 4 is the air bag projecting surface dimensional structure diagram of the swaging die of the present invention, it is seen that air bag is cylindrical to be provided with projection;
Fig. 5 is the air bag semicolumn flat and stereo structural representation of the swaging die of the present invention, it is seen that air bag groove and both sides
Fixing point;
Fig. 6 is projecting surface dimensional structure diagram after the swaging die of the present invention is assembled, wherein the high outlet in visible skeleton top
Capsule top certain distance, is typically higher by 20-40cm, to facilitate lifting;
Fig. 7 is another side flat and stereo structural representation after the swaging die of the present invention is assembled, wherein visible air bag plane
The fixing hole of fixing point and skeleton plane coordinates, the groove in the middle part of air bag and the groove fit in the middle part of skeleton;
Fig. 8 is the swaging die overlooking the structure diagram of the present invention, wherein the fixing point of visible air bag plane protrudes from skeleton
Fixing hole, to ensure not falling out to cause deformation;
Fig. 9 is mplifying structure schematic diagram at Fig. 8 A, it is seen that skeleton side is provided with 45 ° of chamferings;
Figure 10 is the swaging die cross-sectional structure schematic diagram of the present invention, it is seen that circle before the wall ratio of air bag groove and both sides
It is thick at arc, and gradually forwardly circular arc is thinning for both sides;
Figure 11 is that the swaging die of the present invention is arranged on the dimensional structure diagram of fist stage concrete section part, wherein protrude
Sealing piece is arranged in the groove of skeleton, sealing piece certain altitude of the skeleton higher than concrete cross section;
Figure 12 is the overlooking the structure diagram that the swaging die of the present invention is arranged on a phase and second stage concrete section part, wherein
The sealing piece of protrusion is arranged in the groove of skeleton;
Figure 13 is the die cavity moulding/demoulding of the present invention and after hanging out, in the preset semicircle die cavity of second stage concrete section part
The overlooking the structure diagram after Colophonium is filled, wherein sealing piece half is located in fist stage concrete, and the half of protrusion is located at die cavity
In interior Colophonium;
Figure 14 is the swaging die schematic diagram of another money large semicircle of the present invention, wherein visible air bag is more than half ellipse, can
The engineering narrow to be used in dam body, can reserve bigger concrete wall for both sides, with the effect for strengthening dam body.
Sequence number in figure:1. skeleton, 2. groove, 3. base, 4. fixing hole, 5. lifting hole(eyelet), 6. air bag groove, 7. antetheca, 8. gas
Door mouth, 9. raised, 10. fixing point, 11. side walls, 12. fist stage concretes, 13. sealing copper sheets, 14. bituminous felts, 15. 2
Phase concrete, 16. Colophoniumes, 17. more than half ellipse swaging die air bags.
Specific embodiment
With reference to the accompanying drawings and examples the present invention will be further described.
Embodiment 1, refer to the attached drawing:A kind of manufacture method of gasbag-type concrete works movement joint sealing swaging die, it is described
Swaging die include skeleton 1 and air bag, it is characterised in that including following technique and step:
1) skeleton 1 makes:Skeleton 1 is rectangular steel plates, and thickness 2-4mm, length is more than movement joint height 20-40cm, in
Portion folds groove 2, or welds out groove 2, and the depth of groove 2 is 15-30cm, and the width 5-10cm of groove 2, skeleton 1 is wide containing groove 2
Degree 30-50cm, in the both sides of skeleton 1 setting fixing hole 4 is longitudinally spaced-apart, and is arranged on the upper recess 5 of skeleton 1 and is hung
Hole 8, in the lower end of skeleton 1 base 3 is arranged, and the radius of described base 3 is equal to the depth of the groove 2, two sides of skeleton 1
45 ° of chamferings are set;
2) air bag makes:Air bag is rubber casting, and air bag is semicircle or more than half elliptical cylinder-shape, and the middle part of its plane longitudinally sets
The size for having air bag groove 6, air bag groove 6 is matched with the groove 2 of skeleton 1, and the thickness of its groove walls and two side 11 is more than antetheca 7
The thickness of circular arc, the wall thickness of general groove 2 and the thickness of two side 11 are 2 times of the circular arc thickness of antetheca 7, and its two side 11 is thick to antetheca
7 thickness be from thickness to it is thin be a progressive formation;Its upper end of described air bag is provided with valve cock 8, and lower end sets Packed bottom, gas
The both sides of the fore-and-aft plane of capsule are provided with several fixing points 10, the position of each fixing point 10, size with corresponding skeleton 1 fixing hole
4 and match;Air bag accompanies reinforcing fiber silk inside the airbag wall containing upper and lower termination, and its circular arc external surface is provided with raised 9;
3) assembling of swaging die:Air bag groove 6 is directed at into the groove 2 of skeleton 1, air bag bottom is arranged on the base 3 of skeleton 1,
Stick into be arranged on to be assembled integrally in the corresponding fixing hole 4 of skeleton 1 positioned at the fixing point 10 of air bag backward plane and complete
Swaging die.
The present embodiment also disclosed the construction method of above-mentioned gasbag-type concrete works movement joint sealing swaging die, including such as
Lower technique and step:
1) fist stage concrete 12 is poured:One side that sealing copper sheet 13 has knuckle is preset in into the section of deformed concrete crack
Place, copper sheet is longitudinally disposed at the centre of concrete cross section width, the pre-buried half of its width, protrudes half, fixed form and only
The after-pouring fist stage concrete 12 of water copper sheet 13;
2) setting of swaging die:Fist stage concrete 12 solidifies a couple of days, and swaging die is arranged at concrete cross section, swaging die
The groove 2 of skeleton 1 is stuck on the sealing copper sheet 13 of the section of fist stage concrete 12 protrusion, on the concrete cross section of the both sides of skeleton 1
Bituminous felt 14 is set;
3) air bag pressurization:Compression is added in the air bag of the swaging die for setting from the valve cock 8 for being arranged on air bag top
Air, air bag forms certain air pressure;
4) second stage concrete 15 is poured:After setting air bag pressure and template, second stage concrete 15 is according to profile height point
Layer is poured, general each, every layer of 50cm or so, is waited lower floor's initial set to have after certain degree of hardness and is poured last layer again, until it reaches needs
The height wanted;
5) die cavity is formed:After the initial set of second stage concrete 15, general 20 DEG C 24 hours, release air bag in air pressure, in skeleton 1
Lifting hole(eyelet) 5 in suspension hook is set, hang out swaging die, form semicircle die cavity in the section part of second stage concrete 15;
6) asphalt reperfusion 16:No. 30 building asphalts 16 of melting are filled in semicircle die cavity, it is cold depending on job site temperature
But time general 2-12 hours;
7) when concrete works length is longer, when needing to arrange multiple movement joints, repeat the above steps 1-6, Colophonium 16 can
Do and once irrigate or irrigate for several times;The swaging die for hanging out is cleared up in time, maintained, storage, with profit recycling.
When narrower dam body engineering is applied to, the more than half ellipse swaging die air bag 17, its elongated die cavity can be selected can be
Both sides reserve bigger concrete wall, and with the effect for strengthening despot's body bulk strength, general die cavity both sides concrete wall is big
In 20cm.
The skeleton of the present invention is highly generally 2.5M, air bag height 2.0M, and each frame film can pour 2.0M concrete walls,
If body of wall is more than 2.0M, after form removal, 2.0M, the aforementioned construction method of repetition, until meeting body of wall height are improved;The red copper sealing piece
Site Welding is connected by with horizontal sealing piece.
The present invention is not required to concrete soil box, can be with 20-30 days reduction of erection time;Swaging die can be reused;Can be
The construction of the box dam such as checkdam, cistern retaining wall, can also be used for undergrounds such as subway, culvert, sluice, tunnel, various mixed under water etc.
The application of solidifying geotechnique's journey movement joint sealing, movement joint is neatly non-leakage;Stratum differential settlement can be solved using this technology to lead
The deformation joint seepage water problems of cause, or the caused movement joint that expands with heat and contract with cold of the concrete component caused because of the change of ambient temperature
Leakage problems;Deformation such as the movement joint section interface changing of the relative positions, displacement for causing because of natural disasters such as earthquakes etc. can also be prevented to cause
Leakage problems.