CN214994775U - Construction joint structure of subregion construction - Google Patents
Construction joint structure of subregion construction Download PDFInfo
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- CN214994775U CN214994775U CN202120918481.XU CN202120918481U CN214994775U CN 214994775 U CN214994775 U CN 214994775U CN 202120918481 U CN202120918481 U CN 202120918481U CN 214994775 U CN214994775 U CN 214994775U
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Abstract
The utility model belongs to the technical field of building construction joint and specifically relates to a construction joint structure of subregion construction is related to, it includes the cast in advance concrete board and connect in cast in advance concrete board after of cast in advance concrete board one side, the cast in advance concrete board is close to cast in advance concrete board's one side after is provided with first contact site, the cast in advance concrete board is close to one side of cast in advance concrete board be provided with the overlap joint and laminate in the second contact site of first contact site, first contact site orientation one side of second contact site is provided with the stagnant water bellying, the second contact site orientation the side of first contact site is provided with the holding tank of stagnant water bellying, be provided with on the stagnant water bellying and be close to the stagnant water structure that can expand behind the water injection of holding tank bottom. This application has the connection structure who makes construction joint department not fragile in long-term the use, improves water-proof effects's effect.
Description
Technical Field
The application relates to the field of construction joints, in particular to a construction joint structure for partition construction.
Background
In the concrete pouring construction of the floor slab, because of design requirements or construction requirements, firstly, concrete of a part of areas is poured, then, concrete of the rest areas is poured after a period of time, the concrete poured successively is combined into a whole, and the construction joint is a joint formed at the joint of the concrete poured successively.
For example, chinese patent with publication number CN106638714B discloses a construction joint structure for partition construction, which includes a cast-in-place concrete slab, a cast-in-place concrete slab and a cushion layer, wherein the cast-in-place concrete slab and the cast-in-place concrete slab are both laid on the cushion layer, the cast-in-place concrete slab has a first contact portion, the cast-in-place concrete slab has a second contact portion, a steel plate waterstop is embedded in the first contact portion, and the steel plate waterstop vertically extends into the second contact portion from a joint portion between the first contact portion and the second contact portion.
In view of the above-mentioned related art, the inventors considered that there is a defect that a connection structure (i.e., a steel plate waterstop) at a construction joint is easily damaged in long-term use, thereby reducing a waterproof effect.
SUMMERY OF THE UTILITY MODEL
In order to make the connection structure of construction joint department not fragile in long-term the use, improve water-proof effects, this application provides a construction joint structure of subregion construction.
The application provides a construction joint structure of subregion construction adopts following technical scheme:
the utility model provides a construction joint structure of subregion construction, including cast in advance the concrete slab and connect in cast in advance the post-cast concrete slab of cast in advance concrete slab one side, cast in advance the concrete slab is close to one side of cast in advance the concrete slab is provided with first contact site, the post-cast concrete slab is close to one side of cast in advance the concrete slab be provided with the overlap joint and laminate in the second contact site of first contact site, first contact site orientation one side of second contact site is provided with the stagnant water bellying, the second contact site orientation the side of first contact site is provided with the holding tank of stagnant water bellying, be provided with on the stagnant water bellying and be close to the stagnant water structure that can expand behind the water injection of holding tank bottom.
Through adopting above-mentioned technical scheme, during the construction, earlier water concrete slab, first contact site and stagnant water bellying pouring shaping, then install the stagnant water structure on the stagnant water bellying, pour the concrete slab after pouring, after pouring the concrete slab after waiting, then carry out the water injection to the stagnant water structure, stagnant water structural expansion, until with holding tank and stagnant water bellying between the space make full use of can, so, make the connection structure of construction joint department not fragile in long-term use, waterproof effect is improved.
Preferably, the stagnant water structure including set up in the recess of stagnant water bellying one side, be provided with the water swelling waterstop in the recess, the parcel of water swelling waterstop outside has waterproof plastic film cover, the tank bottom of holding tank is provided with and runs through the water injection pipe of second contact site, water injection pipe intercommunication inside the waterproof plastic film cover.
Through adopting above-mentioned technical scheme, in installing the recess with the waterstop, after the post-cast concrete board is dry, water injection in the type water injection pipe, begin the inflation behind the water inflation waterstop rainwater, water inflation waterstop extrusion sponge filler strip after the inflation until with the space between holding tank and the recess utilize completely can, so, simple structure, life is longer, and waterproof nature is good.
Preferably, the water injection pipes are arranged at intervals along the length direction of the groove.
Through adopting above-mentioned technical scheme, the quantity of water injection pipe makes water in time pour into from the play position for setting up of a plurality of to make whole water-swelling waterstop can maximum synchronous inflation, thereby ensure the joint sealing effect of water-swelling waterstop.
Preferably, be provided with the connecting strip on the chance water inflation waterstop, a plurality of the water injection pipe all connect in on the connecting strip, just be provided with the through-hole that is used for water to pass through on the connecting strip.
Through adopting above-mentioned technical scheme, the setting of connecting strip is in the installation operation of a plurality of water injection pipe of being convenient for, reduces the construction degree of difficulty.
Preferably, the water stopping structures are provided with two groups, and the two groups of water stopping structures are symmetrically arranged around the water stopping protruding part.
Through adopting above-mentioned technical scheme, stagnant water structure symmetry sets up to two sets of to can further improve waterproof nature.
Preferably, the two water-swelling water stop belts are fixed to the water stop protruding portions through connecting pieces.
Through adopting above-mentioned technical scheme, the setting of connecting piece can be in the same place two sets of stagnant water structures connection to be convenient for pour going on of work.
Preferably, the connecting piece including set up in the connecting plate of stagnant water bellying, two the water swelling waterstop is located the both sides of connecting plate, the connecting plate with lock through the screw between the water swelling waterstop.
Through adopting above-mentioned technical scheme, utilize the screw can be connected water swelling waterstop with the connecting plate, then install the connecting plate on the stagnant water bellying, so, easy operation, simple to operate.
Preferably, the water-swelling water stop belt is kept away from one side of the water stop bulge and away from one side of the water injection pipe are provided with sponge filler strips, and the sponge filler strips are located inside the waterproof plastic film sleeve.
Through adopting above-mentioned technical scheme, the setting of sponge filler strip can avoid the later stage to cross the condition emergence that excessive extrusion holding tank inside wall and lead to the second contact site to appear the crack when meeting water inflation waterstop inflation for waterproof performance reduces.
In summary, the present application includes at least one of the following beneficial technical effects:
1. during construction, the first concrete slab, the first contact part and the water stopping bulge are cast and molded, then the water stopping structure is installed on the water stopping bulge, then the later cast concrete slab is cast, after the later cast concrete slab is dried, water is injected into the water stopping structure, and the water stopping structure expands until the space between the accommodating tank and the water stopping bulge is completely utilized, so that the connecting structure at the construction joint is not easy to damage in long-term use, and the waterproof effect is improved;
2. the number of the water injection pipes is a plurality of, so that water can be injected in time from a plurality of outlet positions, the whole water-swelling water stop can synchronously swell to the maximum extent, and the seam sealing effect of the water-swelling water stop is ensured;
3. the setting of sponge filler strip can avoid the later stage to cross the condition emergence that excessive extrusion holding tank inside wall and lead to the second contact site to appear the crack when water inflation waterstop expands for waterproof performance reduces.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of a construction joint structure for divisional construction according to the present application.
Fig. 2 is a schematic cross-sectional structure view of a water stopping structure and a water stopping protrusion in an embodiment of a construction joint structure for divisional construction according to the present application.
Description of reference numerals: 1. firstly, pouring a concrete plate; 11. a first contact portion; 12. a cushion layer; 13. a water stop waterproof layer; 2. post-pouring a concrete slab; 21. a second contact portion; 211. accommodating grooves; 3. a water stop protrusion; 31. a groove; 4. a water-swelling water stop belt; 5. a waterproof plastic film sleeve; 6. a sponge cushion strip; 7. a water injection pipe; 8. a connecting strip; 9. a connecting plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses construction joint structure of subregion construction. Referring to fig. 1, the construction joint structure for the partition construction includes a precast concrete plate 1 and a post-cast concrete plate 2 connected to one side of the precast concrete plate 1, the precast concrete plate 1 and the post-cast concrete plate 2 are both horizontally disposed, a cushion layer 12 is disposed below the precast concrete plate 1 and the post-cast concrete plate 2, and a waterproof layer is disposed on the cushion layer 12 and attached to the side surfaces of the precast concrete plate 1 and the post-cast concrete plate 2 close to the cushion layer 12.
Referring to fig. 1 and 2, a first contact portion 11 is horizontally arranged on one side of a precast concrete plate 1 close to a precast concrete plate 2, a second contact portion 21 which is overlapped and attached to the upper surface of the first contact portion 11 is horizontally arranged on one side of the precast concrete plate 2 close to the precast concrete plate 1, a water stop protruding portion 3 is arranged on one side of the first contact portion 11 facing the second contact portion 21 (namely, the upper surface of the first contact portion 11), and a containing groove 211 containing the water stop protruding portion 3 is arranged on the side of the second contact portion 21 facing the first contact portion 11 (namely, the lower surface of the second contact portion 21), wherein the precast concrete plate 1, the first contact portion 11 and the water stop protruding portion 3 can be integrally cast, the precast concrete plate 2 and the second contact portion 21 are integrally cast, and the containing groove 211 is automatically formed under the action of the water stop protruding portion 3.
Referring to fig. 1 and 2, the water stopping protrusion 3 is provided with a water stopping structure which is close to the bottom of the accommodating groove 211 and can expand after water injection. Specifically, the stagnant water structure is including setting up in the recess 31 of one side of stagnant water bellying 3, and the side of first contact site 11 is kept away from to recess 31 intercommunication stagnant water bellying 3, and the well level of recess 31 is provided with and meets water inflation waterstop 4, and the parcel has waterproof plastic film cover 5 in the 4 outside of meeting water inflation waterstop.
Referring to fig. 2, simultaneously, excessive extrusion holding tank 211 inside wall and the condition that leads to second contact site 21 to appear the crack takes place when avoiding the later stage to meet water inflation waterstop 4 inflation for waterproof performance reduces, all is provided with sponge filler strip 6 in the one side and the lower surface of meeting water inflation waterstop 4 and keeping away from stagnant water bellying 3, and sponge filler strip 6 is located inside waterproof plastic film cover 5.
Referring to fig. 2, the water stop structure further includes a water injection pipe 7 penetrating through the second contact portion 21 from the bottom of the accommodating groove 211, the water injection pipe 7 is vertically disposed, the water injection pipe 7 is communicated with the inside of the waterproof plastic film sleeve 5, the water injection pipe 7 is provided with a plurality of water injection pipes 7, and the plurality of water injection pipes 7 are disposed along the length direction of the water-swelling water stop 4 at even intervals. In addition, for the convenience of installation and placement of water injection pipe 7, connecting strip 8 is arranged on the upper surface of water-swelling water stop 4, a plurality of water injection pipes 7 are all connected to connecting strip 8, water injection pipes 7 are mutually perpendicular to connecting strip 8, through holes (not shown in the figure) for water to pass through are formed in connecting strip 8, the number of the through holes is a plurality of, and the through holes are communicated with a plurality of water injection pipes 7 in a one-to-one correspondence manner.
Referring to fig. 2, simultaneously, in this embodiment, the stagnant water structure can set up to two sets of, and two sets of stagnant water structures set up about stagnant water bellying 3 symmetries, and what be provided with on stagnant water bellying 3 promptly the symmetry is provided with two recesses 31, and two meet water inflation waterstop 4 and stagnant water bellying between 3 fixed through the connecting piece to be convenient for pour going on of work. Specifically, the connecting piece is including setting up in the connecting plate 9 that keeps away from first contact site 11 one side of stagnant water bellying 3, connecting plate 9 is the setting of U type, connecting plate 9 covers the top of establishing at stagnant water bellying 3, and the relative medial surface of connecting plate 9 is laminated with the tank bottom of two recesses 31 mutually respectively, two meet the water inflation waterstop 4 and be located the both sides of connecting plate 9, lock through screw (not shown in the figure) between connecting plate 9 and the water inflation waterstop 4, the screw is worn out connecting plate 9 and is gone into from the medial surface of connecting plate 9 and meet water inflation waterstop 4, and the screw countersunk head is in the medial surface of connecting plate 9.
The implementation principle of the construction joint structure of this application embodiment of a subregion construction does: during the construction, earlier water concrete slab 1, shaping is pour to first contact site 11 and stagnant water bellying 3 earlier, then have water swelling waterstop 4 with two sets of parcels, the plastic film cover of sponge filler strip 6 and connecting strip 8 passes through the both sides of screw connection to connecting plate 9, establish 3 tops of stagnant water bellying with connecting plate 9 cover after that, the plastic film cover is located recess 31 this moment, and the vertical setting of water injection pipe 7, pour concrete slab 2 after pouring after then, treat after pour concrete slab 2 dry, then to pouring water in all water injection pipes 7, begin the inflation behind the water swelling waterstop 4 rainwater, tear waterproof plastic film cover 5 simultaneously, water swelling waterstop 4 extrusion sponge filler strip 6 after the inflation, until with the space between holding tank 211 and the recess 31 complete utilization can.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a construction joint structure of subregion construction, including cast in advance concrete slab (1) and connect in cast in advance concrete slab (2) after of concrete slab (1) one side, its characterized in that: cast in advance concrete slab (1) is close to one side of cast in advance concrete slab (2) later is provided with first contact site (11), cast in later concrete slab (2) are close to one side of cast in advance concrete slab (1) is provided with the overlap joint and laminate in second contact site (21) of first contact site (11), first contact site (11) orientation one side of second contact site (21) is provided with stagnant water bellying (3), second contact site (21) orientation the side of first contact site (11) is provided with the holding tank (211) of stagnant water bellying (3), be provided with on stagnant water bellying (3) and be close to the stagnant water structure that can expand after the water injection of holding tank (211) tank bottom.
2. The construction joint structure for divisional construction of claim 1, wherein: stagnant water structure including set up in recess (31) of stagnant water bellying (3) one side, be provided with in recess (31) and meet water inflation waterstop (4), meet water inflation waterstop (4) outside parcel and have waterproof plastic film cover (5), the tank bottom of holding tank (211) is provided with runs through water injection pipe (7) of second contact portion (21), water injection pipe (7) intercommunication inside waterproof plastic film cover (5).
3. The construction joint structure for divisional construction of claim 2, wherein: the water injection pipes (7) are arranged at intervals along the length direction of the groove (31).
4. The construction joint structure for divisional construction of claim 3, wherein: be provided with connecting strip (8) on water-swelling waterstop (4), a plurality of water injection pipe (7) all connect in on connecting strip (8), just be provided with the through-hole that is used for water to pass through on connecting strip (8).
5. The construction joint structure for divisional construction of claim 2, wherein: the water stopping structures are arranged in two groups, and the two groups of water stopping structures are symmetrically arranged relative to the water stopping protruding parts (3).
6. The construction joint structure for divisional construction of claim 5, wherein: the two water swelling water stop belts (4) and the water stop bulge parts (3) are fixed through connecting pieces.
7. The construction joint structure for divisional construction of claim 6, wherein: the connecting piece including set up in connecting plate (9) of stagnant water bellying (3), two meet water inflation waterstop (4) and be located the both sides of connecting plate (9), connecting plate (9) with meet between the water inflation waterstop (4) and lock through the screw.
8. The construction joint structure for divisional construction of claim 2, wherein: the water-swelling water stop (4) is far away from one side of the water stop bulge (3) and one side of the water injection pipe (7) is provided with a sponge filler strip (6), and the sponge filler strip (6) is located inside the waterproof plastic film sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918481.XU CN214994775U (en) | 2021-04-29 | 2021-04-29 | Construction joint structure of subregion construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918481.XU CN214994775U (en) | 2021-04-29 | 2021-04-29 | Construction joint structure of subregion construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214994775U true CN214994775U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120918481.XU Active CN214994775U (en) | 2021-04-29 | 2021-04-29 | Construction joint structure of subregion construction |
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| Country | Link |
|---|---|
| CN (1) | CN214994775U (en) |
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2021
- 2021-04-29 CN CN202120918481.XU patent/CN214994775U/en active Active
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