CN207537974U - A kind of engineering surface watertight seal formwork structure - Google Patents
A kind of engineering surface watertight seal formwork structure Download PDFInfo
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- CN207537974U CN207537974U CN201721566719.7U CN201721566719U CN207537974U CN 207537974 U CN207537974 U CN 207537974U CN 201721566719 U CN201721566719 U CN 201721566719U CN 207537974 U CN207537974 U CN 207537974U
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- watertight seal
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Abstract
A kind of engineering surface watertight seal formwork structure, the sealing formwork structure include expansion joint and the building body positioned at expansion joint both sides, and building body has recess portion close to the position at the expansion joint, make the position that the building body connects with the expansion joint in step type；The recess portion has the first plane, the second plane and third plane successively from inside to outside, and first plane is parallel with the third plane；Sealing template is equipped between two recess portions, which includes the U-shaped grooved drum plate in section, which is located at the expansion joint and is open towards the expansion joint；The grooved drum plate both ends are sequentially connected the first plate face, the second plate face and third plate face；The first plate face inner face and first planes align, the second plate face inner face and second planes align, the third plate face inner face and the third planes align.The utility model improves expansion joint surface layer grooving technology, improves the final water-stagnating effect of hydraulic structure expansion joint surface watertight seal convenient for the quality of the flexible seam surface grooving of control.
Description
Technical field
The utility model belongs to construction of hydro project technical field, is more precisely that one kind is related to concrete for hydraulic structure surface layer and stops
Water-bound is installed and construction technology, is that one kind becomes more meticulous, standardize surface watertight seal construction template structure.
Background technology
The concrete structures such as dam, aqueduct, tunnel in hydraulic engineering must be provided with expansion joint, and stretch in the construction process
The problem of contracting seam sealing is one of crucial importance, the wherein structure type at expansion joint, the quality of sealing performance are not only related to knot
The normal operation of structure, once and leak will cause serious consequence.At present in engineering in common built-in type sealing form,
Sealing material generally use copper sheet or stainless steel substrates, as work progress is poured in inside concrete, but due to built-in type
Sealing installation quality is difficult to control, and is easily influenced and built-in type sealing by sealing material surrounding concrete pouring quality
Concealment, built-in type sealing breakage is caused to be difficult to position, and rejected region, repairing and reinforcing difficulty are big, antiseep processing cost is high.
The defects of in order to overcome built-in type sealing, people take the construction for first carrying out concrete, treat after concrete form removal again individually into
Whereabouts water, i.e. surface watertight seal construction method, the construction that surface watertight seal overcomes traditional sealing mode interferes with each other, later stage repairing adds
Gu the shortcomings of difficult, water-stagnating effect is also achieved and is significantly improved, therefore receives the attention of people.In the surface watertight seal used at present
In scheme, the expansion joint surrounding concrete needs for laying waterstop pour the isomeric forms such as the groove for building up specific dimensions.It is logical
Normal way is slightly transformed i.e. for practice of construction, not specifically for the template of groove using traditional template.For example, have
A little engineerings are fixed using the plank formwork erection grooving simply processed, filleting plate also by plank, due to by plank sheathing installation quality,
The difficulty of the fixation of relative position etc. causes expansion joint grooving difficulty, grooving that surface watertight seal material is irregularly caused to be pasted
Leakiness influences the performance of sealing material water-stagnating effect.
Utility model content
The purpose of this utility model is to provide a kind of engineering surface watertight seal formwork structure, by surface water stop template and coagulation
The native ingenious connection of formwork for placing is fixed, and convenient for controlling flexible seam surface grooving quality, while is played the role of fixed filleting plate, is carried
High expansion joint surface layer grooving technology, makes construction technology more standardize, and improves construction quality and construction effect, significantly improves
The final water-stagnating effect at hydraulic structure expansion joint.
To achieve the above object, the utility model takes following technical scheme：
A kind of engineering surface watertight seal formwork structure, it include expansion joint and the building body positioned at expansion joint both sides, two
Building body has recess portion close to the position at the expansion joint, makes the position that the building body connects with the expansion joint in step type；
The recess portion has the first plane, the second plane and third plane successively from inside to outside, and first plane is parallel with the third plane；
The position of recess surface is equipped with sealing template, which includes the U-shaped grooved drum plate in section, the grooved drum plate position
At the expansion joint and it is open towards the expansion joint；The grooved drum plate both ends are sequentially connected the first plate face, the second plate face and third
Plate face；The first plate face inner face and first planes align, the second plate face inner face and second planes align, the third
Plate face inner face and the third planes align.
Further, the third plate face is equipped with several location holes, is fixed and connected by anchoring piece and concrete-pouring template
It connects.
Further, filleting plate is equipped in the grooved drum plate, the filleting plate thickness is corresponding with the expansion joint width.
Further, the first plate face medial surface is equipped with rib.
Further, the angle between first plate face and the second plate face, between second plate face and third plate face
It is 120 degree.
Further, the material of the sealing template is aluminium alloy, stainless steel plate, PVC, polypropylene or polyethylene.
Further, the sealing template is structure as a whole or using the grooved drum plate center line as the symmetrical of symmetry axis
Structure.
The beneficial effects of the utility model are：The utility model engineering surface watertight seal formwork structure, simple in structure, construction letter
Prompt, easy positioning, grooving work well, repeatable utilization, can improve and water-stagnating effect is bonded between surface watertight seal band and building,
The channel mould can overcome to be difficult to fixed and is difficult to the defects of formation rule unifies groove using conventional mould, convenient for the peace of sealing
Dress and the arrangement of sealing protection, save construction procedure, and finally formed sealing has the sealing for being substantially better than existing sealing scheme
Effect, to the adaptable of different operating modes, the sealing available for all kinds of concrete extension joints.
Description of the drawings
Fig. 1 is the sectional schematic diagram of the utility model engineering surface watertight seal formwork structure.
Fig. 2 is the vertical view of the utility model engineering surface watertight seal formwork structure.
Fig. 3 is the scheme of installation of the utility model engineering surface watertight seal formwork structure.
Fig. 4 is the schematic diagram that T-shaped sealing rod is used in the construction method of the utility model engineering surface watertight seal formwork structure.
Fig. 5 is to use showing for anchoring pressing plate rubber bar in the construction method of the utility model engineering surface watertight seal formwork structure
It is intended to.
Fig. 6 is the structure diagram of the engineering surface watertight seal formwork structure of the utility model corresponding diagram 5.
Specific embodiment
In order to absolutely prove the technological means and creation characteristic of realizing the utility model, With reference to embodiment,
The utility model is expanded on further.
As shown in Figure 1 and Figure 2, the utility model provides a kind of engineering surface watertight seal formwork structure, including expansion joint 1 and position
Building body 2 in 1 both sides of expansion joint, two building bodies 2 have recess portion 20 close to the position at the expansion joint 1, make the building
The position that main body 2 connects with the expansion joint 1 is in step type.The recess portion 20 is flat with the first plane 21, second successively from inside to outside
Face 22 and third plane 23, first plane 21 are parallel with the third plane 23.
The position of recess surface is equipped with sealing template 3, which includes the U-shaped grooved drum plate 30 in section, the ditch
Frid 30 is located at the expansion joint 1 and is open towards the expansion joint 1.31 both ends of grooved drum plate be sequentially connected the first plate face 31,
Second plate face 32 and third plate face 33.First plate face, 31 inner face (in this specification using with concrete phase-contact surface as inner end
Face, similarly hereinafter) flushed with first plane 21, which flushes with second plane 22, the third plate face 33
Inner face is flushed with the third plane 23.Between first plate face, 31 and second plate face 32, second plate face 32 and third plate face
Angle angle between 33 is preferably all 120 degree, in order to form removal.
As shown in figure 3, the third plate face 33 is equipped with several location holes 34, when pouring, pass through anchoring piece 35 and concrete
Formwork for placing 4 is fixedly connected.Location hole 34 can be pre-set, and can also be drilled, be mainly used for according to live practice of construction situation
Control the shaping position of expansion joint groove.Filleting plate 5 is equipped in the grooved drum plate 30, the filleting plate 5 is thick using similar foam
Degree is corresponding with 1 width of expansion joint.
The sealing template is structure as a whole or the symmetrical structure using 30 center line of grooved drum plate as symmetry axis, in order to
It is applicable in the filleting plate of various 1 width of expansion joint.
The utility model engineering surface watertight seal formwork structure material is aluminium alloy, stainless steel plate, PVC, polypropylene or poly- second
Equal thickness may be used in alkene, thickness, and non-equal thickness form can also be used, and the preform material of the utility model one embodiment is excellent
General steel plate is selected, thickness uses equal thickness 2mm.
The utility model also provides a kind of construction method of the engineering surface watertight seal formwork structure, it includes the following steps：
(1) (building body 2 not yet pours at this time, is carried out according to drawing at the expansion joint 1 of 2 upstream face of building body
Setting-out), first according to conventional construction requirement fixing concrete formwork for placing 4.
(2) sealing template 3 is fixed on by concrete-pouring template by the location hole 34 of the third plate face 33 of sealing template 3
4 towards the side of building body 2.
(3) the filleting plate 5 near 1 intermediate surface of expansion joint is fixed by the grooved drum plate 30 of sealing template 3, is somebody's turn to do
The concreting at position, points for attention when pouring are the same as the points for attention of concrete near building template, concreting
Dismantling concrete formwork for placing 4 and sealing template 3 after the completion of maintenance.
(4) the filleting plate 5 of 1 intermediate surface of expansion joint is taken out, after the completion of then arranging that water sealing structure, water sealing structure are arranged
The recess portion 20, water sealing structure are filled and led up to third plane 23 and flushed with pre contract mortar 24, completes entire construction.
As shown in figure 4, the water sealing structure can have orthogonal first sealing plate, 61 and second sealing plate 62.This
One sealing plate, 61 inside has several sealing joint strips, is close to two the first planes 21.It is flexible that second sealing plate 62 is inserted into this
Seam 1, and with hangnail.First sealing plate, 61 inside is coated with fluid sealant.
As shown in figure 5, the water sealing structure can also be to include pressing plate 71 and rubber bar 72.Two the first planes 21 are respectively provided with
Groove, the groove is interior to be equipped with the rubber bar 72.The pressing plate 71 closes the expansion joint 1, and medial surface and 72 top surface of rubber bar are tight
Patch.The pressing plate 71 inside anchor bolt 73 and two the first planes 21 by being fixedly connected.At this point, as shown in fig. 6, this practicality
31 medial surface of the first plate face of the engineering surface watertight seal formwork structure of novel use is equipped with rib 311, to be formed after pouring
For fixing the groove of the rubber bar 72.
It is had the following advantages using the utility model engineering surface watertight seal formwork structure：Since template is using professional mold one
Secondary molding, convenient for being factory produced, so quality is easy to control, work progress destroys smaller, expansion joint grooving specification；The mould
Harden structure can realize that precision is applied convenient for being fixed together with concrete-pouring template quickly and accurately by the Template Location
Work；The expansion joint groove that the template pours completion has the space for pasting sealing, while also there are backfill pre contract mortar protections
The space of sealing material, connection and reasonable arrangement；The sealing formwork structure overcomes conventional template and is difficult to be accurately positioned, flexible be seamed into
Irregularly, it is scarce that groove is irregular and surface smoothness is looked into, the concrete pouring quality near surface layer is poor, antiseep is of high cost etc.
The excellent performance of point, structure and feature has very big convenience and applicability.
There is no the technical characteristic being described in detail in the utility model for the prior art, above are only and illustrate the utility model
Principle, specific embodiment are the utility model preferred embodiment, not for limitation the application.It is all in the utility model
Without departing from all equivalent modifications or change completed under spirit disclosed herein and technological thought in technical field,
It should be covered by claims hereof.
Claims (7)
1. a kind of engineering surface watertight seal formwork structure, it is characterised in that：It includes expansion joint and the building positioned at expansion joint both sides
Main body, two building bodies have recess portion, the position that the building body is made to connect with the expansion joint close to the position at the expansion joint
In step type；The recess portion has the first plane, the second plane and third plane, first plane and the third successively from inside to outside
Plane is parallel；
The position of recess surface is equipped with sealing template, which includes the U-shaped grooved drum plate in section, which is located at should
At expansion joint and it is open towards the expansion joint；The grooved drum plate both ends are sequentially connected the first plate face, the second plate face and third plate face；
The first plate face inner face and first planes align, the second plate face inner face and second planes align, the third plate face
Inner face and the third planes align.
2. engineering surface watertight seal formwork structure according to claim 1, it is characterised in that：The third plate face is equipped with several
Location hole is fixedly connected by anchoring piece with concrete-pouring template.
3. engineering surface watertight seal formwork structure according to claim 1 or 2, it is characterised in that：It is equipped in the grooved drum plate
Filleting plate, the filleting plate thickness are corresponding with the expansion joint width.
4. engineering surface watertight seal formwork structure according to claim 1, it is characterised in that：The first plate face medial surface is set
There is rib.
5. engineering surface watertight seal formwork structure according to claim 1, it is characterised in that：First plate face and the second plate
Angle between face, between second plate face and third plate face is 120 degree.
6. engineering surface watertight seal formwork structure according to claim 1, it is characterised in that：The material of the sealing template is
Aluminium alloy, stainless steel plate, PVC, polypropylene or polyethylene.
7. engineering surface watertight seal formwork structure according to claim 1, it is characterised in that：The sealing template is integrated knot
Structure or using the grooved drum plate center line as the symmetrical structure of symmetry axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566719.7U CN207537974U (en) | 2017-11-21 | 2017-11-21 | A kind of engineering surface watertight seal formwork structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566719.7U CN207537974U (en) | 2017-11-21 | 2017-11-21 | A kind of engineering surface watertight seal formwork structure |
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| Publication Number | Publication Date |
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| CN207537974U true CN207537974U (en) | 2018-06-26 |
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| CN201721566719.7U Active CN207537974U (en) | 2017-11-21 | 2017-11-21 | A kind of engineering surface watertight seal formwork structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724339A (en) * | 2017-11-21 | 2018-02-23 | 中国水利水电科学研究院 | A kind of engineering surface watertight seal formwork structure and its construction method |
-
2017
- 2017-11-21 CN CN201721566719.7U patent/CN207537974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724339A (en) * | 2017-11-21 | 2018-02-23 | 中国水利水电科学研究院 | A kind of engineering surface watertight seal formwork structure and its construction method |
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