CN210797919U - Waterproof structure of wall deformation joint - Google Patents
Waterproof structure of wall deformation joint Download PDFInfo
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- CN210797919U CN210797919U CN201920830351.3U CN201920830351U CN210797919U CN 210797919 U CN210797919 U CN 210797919U CN 201920830351 U CN201920830351 U CN 201920830351U CN 210797919 U CN210797919 U CN 210797919U
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Abstract
The utility model provides a waterproof construction of wall body movement joint has solved the problem that has the space to lead to the infiltration between waterstop and the concrete, and its technical scheme main points are, waterproof construction of wall body movement joint is including the waterproof component who locates movement joint department and be used for connecting the wall body of movement joint both sides and be used for bearing the shear force subassembly of wall body shear stress, waterproof component includes that both ends bury the steel limit rubber waterstop in the movement joint both sides wall body underground respectively, the both ends of steel limit rubber waterstop are equipped with water-swelling putty. The end of the steel-edged rubber water stop is provided with the water-swelling putty, so that the bonding strength between the water stop and wall concrete can be enhanced, and the water-swelling putty expands after meeting water to timely compensate for a gap between the water stop and the concrete to form a waterproof barrier, so that the water stopping effect of the water stop is effectively improved.
Description
Technical Field
The utility model relates to a building movement joint construction technical field especially relates to a waterproof structure of wall body movement joint.
Background
Deformation joints are very common in the construction process of underground structures, and can absorb or buffer stress generated by factors such as temperature difference, settlement and vibration. The deformation joint needs to satisfy compliance with the structural deformation and waterproof dual requirement, and the common way of deformation joint is for setting up one and burying formula waterstop, one outer formula waterstop and the water receiving box of pasting, and this way can only satisfy ordinary waterproof requirement, and the underground structure who often accepts the vibration load uses conventional waterproof structure, and when the waterstop was ageing, the fracture or paste not firm, very easily formed the phenomenon of leaking.
The existing buried steel edge rubber water stop for burying the wall bodies at two sides of the connecting deformation joint in the wall body can achieve the waterproof effect of the deformation joint, but when the water stop is buried, the concrete is poured in a sectional mode, so that water seepage caused by non-compact bonding between the water stop and the wall body structure can be caused, and effective water prevention can not be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an improve deformation joint water-proof effects's wall body deformation joint's waterproof construction.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a waterproof construction of wall body movement joint, is including the waterproof component who locates movement joint department and be used for connecting the wall body of movement joint both sides and be used for bearing the shear force subassembly of wall body shear stress, waterproof component includes that both ends bury the steel limit rubber waterstop in the movement joint both sides wall body underground respectively, the both ends of steel limit rubber waterstop are equipped with water-swelling putty.
Further setting: the area of the water swelling putty is larger than the area of the end part of the steel edge rubber water stop so that the end part of the steel edge rubber water stop is completely covered by the water swelling putty.
Further setting: the water-swelling putty is of a split structure which can be installed at the end part of the steel-edged rubber water stop in a segmented manner.
Further setting: the shear assembly comprises a sleeve and a shear rod movably inserted in the sleeve, and the sleeve and the shear rod are respectively arranged in the wall bodies on two sides of the deformation joint;
or the shear assembly comprises a bulge formed on one side wall body and a groove which is arranged on the other side wall body and used for inserting and matching the bulge.
Further setting: the sleeve is a plastic sleeve or a seamless steel tube.
Further setting: and a stiffened plate is arranged at one end of the shear rod, which is arranged in the wall body.
Further setting: the waterproof assembly further comprises a waterproof roll material layer which is arranged on the outer side of the wall body and covers the deformation joint.
Further setting: and a back-attached rubber water stop for sealing deformation joints is arranged between the waterproof roll material layer and the wall body.
Further setting: the waterproof assembly further includes a gasket plate embedded in the deformation joint.
Further setting: and the side edge of the liner plate is provided with a sealing element which is filled in the deformation joint and is used for sealing the side edge of the deformation joint.
Further setting: the outer fringe of movement joint is equipped with semi-closed drain pipe, the external diameter of drain pipe and the wide adaptation of seam of movement joint.
Compared with the prior art, the utility model discloses a scheme has following advantage:
1. the utility model discloses an among the waterproof construction of wall body movement joint, set up water-swelling putty through the tip at steel limit rubber waterstop, can strengthen the bonding strength between waterstop and the wall body concrete, water-swelling putty takes place to expand in order in time to compensate space between waterstop and the concrete after meeting water, forms the water proof protective screen to improve the stagnant water effect of waterstop effectively.
2. The utility model discloses an among the waterproof structure of wall body movement joint, set up the shear force subassembly in wall structure, can be used to bear the shear stress of wall body, still can restrict the relative displacement between the wall body to improve wall structure's stability, avoid taking place the wall body inhomogeneous settlement, lead to the movement joint to leak.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a side wall deformation joint structure of a waterproof structure of a middle wall deformation joint of the present invention;
FIG. 2 is a schematic view of a bottom board deformation joint structure of the waterproof structure of the wall deformation joint of the present invention;
fig. 3 is a schematic view of the roof deformation joint structure of the waterproof structure of the middle wall deformation joint of the present invention.
In the figure, 11, a first wall; 12. a second wall; 2. a fence structure; 31. a steel-edged rubber waterstop; 311. a rubber sheet; 312. a steel sheet; 32. water swellable putty; 33. a liner panel; 341. a drain pipe; 342. sealing glue; 343. a back-adhered rubber waterstop; 4. a shear assembly; 41. a shear bar; 411. adding a rib plate; 42. a sleeve; 5. a waterproof roll layer; 6. leveling layer; 201. a waterproof concrete floor; 202. a fine stone concrete protective layer; 203. a concrete cushion; 301. a fine stone concrete protective layer; 302. waterproof concrete structure roof.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
The utility model relates to a waterproof construction of wall body movement joint please refer to fig. 1 to fig. 3, mainly relate to the waterproof construction of segment section and the deformation joint between the segment section, waterproof dynamics is strong to still can restrict the relative aversion of movement joint both sides wall body, the inhomogeneous settlement of effective control movement joint both sides, thereby can reduce the condition that the movement joint arouses to leak because of the difference subsides.
Referring to fig. 1, the waterproof structure of the wall deformation joint includes a waterproof component (not shown) disposed at the deformation joint and a shear component 4 for connecting the walls on both sides of the deformation joint. Through waterproof component plays the waterproof role of movement joint, the wall body of movement joint both sides is connected in order to play the effect of bearing wall body shear stress to but the relative position between the wall body of restriction movement joint both sides still, thereby improve wall structure's stability, avoid taking place the inhomogeneous settlement of wall body, lead to the movement joint to leak.
Wherein, waterproof component includes that both ends bury steel limit rubber waterstop 31 in the wall body of movement joint both sides underground respectively, steel limit rubber waterstop 31 includes the sheet rubber 311 and locates the steel sheet 312 at sheet rubber both ends respectively, the wall body of movement joint both sides is arranged respectively in at the both ends of sheet rubber 311, just the both ends of sheet rubber 311 all form wedge portion in order to increase the dynamics of being connected between sheet rubber 311 and the wall body to improve the stability of sheet rubber 311, simultaneously the steel sheet 312 at sheet rubber 311 both ends is fixed in respectively in the wall body of movement joint both sides, can be used to bear the partial shear stress of wall body, has improved being connected between steel limit rubber waterstop 31 and the wall body, has improved steel limit rubber waterstop 31's stability. In addition, in order to ensure that the position of the steel-edged rubber water stop 31 is accurately centered, the steel-edged rubber water stop 31 can be clamped by a special steel bar hoop with the distance of 150mm, and the steel-edged rubber water stop 31 is bound and fixed on the structural steel bar of the prefabricated formwork before the wall body is poured by using a thin lead wire to realize positioning and fixing.
Further, the end parts of the steel sheets 312 at the two ends of the rubber sheet 311 are both provided with water-swellable putty 32. Locate the tip of steel limit rubber waterstop 31 through water-swelling putty 32, can prevent the infiltration that leads to because the bonding is not closely knit at the steel limit rubber waterstop 31 of movement joint position department and wall body concrete structure, water-swelling putty 32 inflation can compensate the gap that exists between steel limit rubber waterstop 31 and the wall body closely knit after the water-swelling, and water-swelling putty 32 after the water-swelling can form the water proof barrier to ensure steel limit rubber waterstop 31's stagnant water effect.
Further, the area of the water-swellable putty 32 is larger than the area of the end of the steel sheet 312, so that the end of the steel-edged rubber water stop 31 can be completely covered by the water-swellable putty 32. Preferably, the thickness of the water-swellable putty 32 in this embodiment is 20mm, and the water-swellable putty 32 exceeds the end of the steel-edged rubber water stop 31 by 5 mm.
In addition, water-swellable putty 32 is the components of a whole that can function independently structure, and water-swellable putty 32 includes a plurality of water-swellable putty monomers promptly, and when installing water-swellable putty 32, because the concrete pouring segmentation of wall body goes on, then the tip of installing steel sheet 312 one by one can be pour along with the segmentation of concrete to water-swellable putty monomer to avoid water-swellable putty 32 to expose in the easy rainwater of concrete structure and destroy, so for avoiding external factor to meet the destruction of water-swellable putty 32, the event is installed water-swellable putty 32 adopts the mode of parcel steel limit rubber waterstop 31 in grades. And paste mutually between a plurality of water-swellable putty monomers for a plurality of water-swellable putty monomers are installed and are accomplished in the water-swellable back, closely laminate between the adjacent water-swellable putty monomer, can avoid taking place the phenomenon of infiltration between the adjacent water-swellable putty monomer.
Furthermore, the water-swellable putty 32 can be coated with a swelling-retarding agent, the swelling-retarding time of the swelling-retarding agent is longer than 8-10h, the water-swellable putty is strictly prevented from being soaked and failed before concrete pouring, the lap joint length of the water-swellable putty is preferably 50-100mm, the 7d swelling-retarding rate of the water-swellable putty is not larger than 60% of the final swelling rate, and the water-swellable putty is firmly arranged on the surface of concrete or in a reserved groove.
In addition, if there is the corner in the movement joint, can form the diameter with the installation of the steel limit rubber waterstop 31 of movement joint corner and be greater than the wide fillet of movement joint seam to including its end with water inflation putty 32, in order to compensate the gap that exists between waterstop and the wall structure, improve the water-proof effects of movement joint.
The waterproof assembly further includes a packing plate 33 embedded in the deformation joint and a sealing member provided at a side of the packing plate 33 for sealing an edge of the deformation joint.
In this embodiment, an asphalt wood wool board is used as the material of the cushion board for filling the deformation joint. The wood-wool board is made up by using selected kind of air-dried wood material and planing them into slender wood wool, chemical soaking and stabilizing treatment, then impregnating cement slurry on the surface of wood wool and pressing them into cement wood-wool board. The wood wool board with the asphalt layer coated on the surface becomes the asphalt wood wool board. The asphalt wood-wool board has good elasticity and waterproofness, and after the asphalt wood-wool board is installed in the deformation joint, the asphalt wood-wool board can adapt to the expansion deformation of the deformation joint, so that the phenomenon that the asphalt wood-wool board expands the deformation joint due to overlarge stress is avoided, or the phenomenon that the deformation joint becomes an acting point at two sides of the expansion joint along with the entering of impurities such as dust and the like when the deformation joint contracts due to insufficient elasticity, and the expansion joint has no space and expands cracks when the expansion joint is re-expanded is avoided; and the asphalt wood-wool board can prevent water flow from entering the interior of the wall body through the deformation joint, so that the phenomena of cracks, collapse and the like caused by unbalanced stress of the infrastructure due to the fact that the water flow erodes the structure of the wall body are avoided.
The sealing element comprises a sealant 342 filled in the deformation joint for sealing the side edges of the deformation joint, and preferably, the sealant 342 in the embodiment adopts a polysulfide two-component sealant. The two-component polysulfide sealant is a normal-temperature vulcanized two-component building B-class first-class polysulfide sealant which has self-adhesive property with concrete and takes liquid polysulfide rubber as a base material, and has good caulking water-stopping capability. The deformation joint is subjected to edge sealing treatment through the polysulfide bi-component sealant so as to reduce external moisture from entering the deformation joint and achieve the waterproof effect of the deformation joint.
The outer edge of the deformation joint is also provided with a semi-closed drain pipe 341, the side edge of the liner plate 33 can be wrapped by the semi-closed drain pipe 341, and water in the deformation joint can be drained away from the deformation joint through the drain pipe 341. Preferably, a semicircular PVC pipe is used as the drain pipe 341 in this embodiment, and the outer diameter of the semicircular PVC pipe is adapted to the width of the deformation joint. Meanwhile, the semicircular PVC pipe is fixed to the side of the packing plate 33 by pressing, and the fixing thereof can be fixed to the packing plate 33 and the deformation joint by the sealant 342.
Generally, when installing the drain pipe 341, a groove adapted to a thickness of the drain pipe 341 in size is prepared at a position of the deformation joint, and then the drain pipe 341 is inserted into the deformation joint from a side of the wall. In this embodiment, the deformation joint may be filled with the asphalt wood-wool board, and then the concrete is poured to remove the formwork, and then the side edge of the asphalt wood-wool board is cut to a certain thickness, and then the drain pipe 341 is bonded, sealed and fixed in the deformation joint by the sealant 342. In addition, before the sealant 342 is embedded into the deformation joint, loose objects, floating slag and the like on the surfaces of the base surfaces on the two sides of the deformation joint need to be chiseled off, cleaned and leveled by mortar, so that the sealant 342 can be firmly adhered to the two sides of the deformation joint.
In a preferred embodiment, the deformation joint is formed in the side wall, please refer to fig. 1, an enclosure structure 2 of the wall body is arranged on the outer side of the side wall, a waterproof roll layer 5 is arranged between the enclosure structure 2 and the side wall, and before the waterproof roll layer 5 is laid, the side surface of the enclosure structure 2 close to the side wall can be leveled to form a leveling layer 6, so that the waterproof roll is smooth and does not bulge when being laid, and meanwhile, the bonding strength between the waterproof roll and the enclosure structure 2 can be increased.
In addition, the side wall close to the building enclosure 2 can be provided with a back-attached rubber water stop 343 to seal the end part of a deformation joint in the side wall, and the back-attached rubber water stop 343 can generate elastic deformation under various loads by utilizing the high elasticity of rubber, thereby achieving firm sealing, effectively preventing water leakage and water seepage of a building structure and achieving the effects of damping and buffering.
In another preferred embodiment, the deformation joint is formed in the bottom plate structure, please refer to fig. 2, the bottom plate structure includes a waterproof concrete bottom plate 201, a fine aggregate concrete protection layer 202, a waterproof roll material layer 5, a leveling layer 6 and a concrete cushion layer 203, which are sequentially arranged from top to bottom, the waterproof concrete bottom plate 201 in this embodiment is equivalent to the wall mentioned above, the deformation joint is vertically formed in the waterproof concrete bottom plate 201, and a back-attached rubber water stop 343 for sealing the deformation joint in the waterproof concrete is arranged on the side surface of the waterproof concrete bottom plate 201 close to the fine aggregate concrete protection layer 202. In addition, the fine aggregate concrete protection layer 202, the waterproof roll material layer 5 and the leveling layer 6 arranged between the waterproof concrete bottom plate 201 and the concrete cushion 203 can effectively improve the waterproof performance of the bottom plate structure, so that the stability of the bottom layer structure is improved.
The back-attached rubber water stop belts 343 in the two embodiments are installed by adopting a cold bonding method, the joints of the back-attached rubber water stop belts 343 are cut to be taller and higher (10 cm in length), then the joints are polished clean, the joints are parallel and level and are bonded by 502 glue, the gaps of the bonding parts of the joints need to be removed and are firmly bonded in the bonding process, and after the joints are firmly bonded, glue is fully brushed on the two surfaces of the back-attached rubber water stop belts 343 and is bonded between the waterproof coiled material and the wall body provided with the deformation joints. Meanwhile, the facade of the back-attached rubber water stop 343 can be fixed by a special nail with a waterproof gasket at a position 1cm away from the edge of the water stop, and the main body of the water stop cannot be damaged by the installation of the nail. The back-adhered rubber waterstops 343 are all arranged on the upstream surface of the wall structure, and the waterproof treatment of the upstream surface is performed on the base surface which is in direct contact with water, so that the waterproof effect is good.
In another preferred embodiment, the deformation joint is disposed in a roof structure, please refer to fig. 3, the roof structure includes a fine aggregate concrete protection layer 301, a waterproof roll material layer 5 and a waterproof concrete structure roof 302 disposed from top to bottom, the waterproof concrete structure roof 302 in this embodiment is equivalent to the wall mentioned above, and the deformation joint is vertically disposed in the waterproof concrete structure roof 302. However, since the top plate structure cannot be provided with the back-attached water stop, the top plate structure can be in transition connection with the side wall back-attached rubber water stop 343 by embedding the sealant into the deformation joint on the outer side of the top plate structure, so that the sealing and water proofing are formed, namely, the sealant 342 is densely filled in the deformation joint.
Referring to fig. 1, the shear assembly 4 includes a shear rod 41 and a sleeve 42 sleeved outside the shear rod 41. For convenience of description, the wall bodies on two sides of the deformation joint are respectively defined as the first wall body 11 and the second wall body 12 in the utility model. The sleeve 42 is fixed in the second wall 12 in a direction perpendicular to the deformation joint, one end of the shear bar 41 is fixed in the first wall 11, and the other end of the shear bar can extend into the second wall 12 and can be movably inserted into the sleeve 42, so that when the deformation joint deforms, the shear bar 41 can move in the sleeve 42 to adapt to the deformation of the deformation joint.
Further, a reinforcing plate 411 is disposed at an end of the shear bar 41 fixed in the first wall 11 to improve an anchoring effect of the shear bar 41 in the first wall 11, so as to improve a connection stability between the shear bar 41 and the first wall 11.
In a preferred embodiment, the sleeve 42 may be a plastic sleeve, and a gap is left between the outer wall of the shear rod 41 and the inner wall of the sleeve 42 for the shear rod 41 to move freely. Or in other preferred embodiments, the sleeve 42 may be made of seamless steel pipe, and grease may be injected into the seamless steel pipe, so as to reduce friction between the shear rod 41 and the seamless steel pipe, reduce wear between the two, and improve the service life of the shear assembly 4.
Preferably, in this embodiment, the shear bars 41 are smooth round steel bars with a diameter of 40mm, a plurality of the shear bars 41 extend in the transverse direction of the wall, and the distance between two adjacent shear bars 41 is 400 mm. The size is related to the bearing requirement, and adaptability adjustment can be carried out according to the actual bearing requirement in the construction process.
In addition, in other embodiments, referring to fig. 2, the shear assembly 4 may be configured as a wall tenon structure, specifically, a protrusion (not shown) may be formed in the first wall 11 toward the deformation joint, a groove (not shown) for inserting the protrusion is formed in the second wall 12 corresponding to the position of the protrusion and recessed in the direction away from the deformation joint, and a gap between the protrusion and the groove is the same as the size of the deformation joint. The purpose of limiting the relative positions of the walls can be achieved through the tenon structures of the walls.
The utility model discloses an among the waterproof construction of wall body movement joint, set up water-swelling putty 32 through the tip at steel limit rubber waterstop 31, can strengthen the bonding strength between waterstop and the wall body concrete, water-swelling putty 32 takes place to expand in order in time to compensate space between waterstop and the concrete after meeting water, forms the water proof protective screen to improve the stagnant water effect of waterstop effectively.
The shear assembly 4 is arranged in the wall structure, can be used for bearing the shear stress of the wall body, and can limit the relative displacement between the wall bodies, so that the stability of the wall structure is improved, and the phenomenon that the wall body is unevenly settled to cause water leakage of a deformation joint is avoided.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. The utility model provides a waterproof construction of wall body movement joint which characterized by: including the waterproof component who locates movement joint department and be used for connecting the wall body of movement joint both sides and be used for bearing the shear force subassembly of wall body shear stress, waterproof component includes that both ends bury underground the steel limit rubber waterstop in movement joint both sides wall body respectively, the both ends of steel limit rubber waterstop are equipped with water-swelling putty.
2. The waterproof structure of the wall deformation joint as claimed in claim 1, wherein: the area of the water swelling putty is larger than the area of the end part of the steel edge rubber water stop so that the end part of the steel edge rubber water stop is completely covered by the water swelling putty.
3. The waterproof structure of the wall deformation joint as claimed in claim 1, wherein: the water-swelling putty is of a split structure which can be installed at the end part of the steel-edged rubber water stop in a segmented manner.
4. The waterproof structure of the wall deformation joint as claimed in claim 1, wherein: the shear assembly comprises a sleeve and a shear rod movably inserted in the sleeve, and the sleeve and the shear rod are respectively arranged in the wall bodies on two sides of the deformation joint;
or the shear assembly comprises a bulge formed on one side wall body and a groove which is arranged on the other side wall body and used for inserting and matching the bulge.
5. The waterproof structure of the wall deformation joint as claimed in claim 4, wherein: the sleeve is a plastic sleeve or a seamless steel tube.
6. The waterproof structure of the wall deformation joint as claimed in claim 4, wherein: and a stiffened plate is arranged at one end of the shear rod, which is arranged in the wall body.
7. The waterproof structure of the wall deformation joint as claimed in claim 1, wherein: the waterproof assembly further comprises a waterproof roll material layer which is arranged on the outer side of the wall body and covers the deformation joint.
8. The waterproof structure of the wall deformation joint as claimed in claim 7, wherein: and a back-attached rubber water stop for sealing deformation joints is arranged between the waterproof roll material layer and the wall body.
9. The waterproof structure of the wall deformation joint as claimed in claim 1, wherein: the waterproof assembly further includes a gasket plate embedded in the deformation joint.
10. The waterproof structure of the wall deformation joint as claimed in claim 9, wherein: and the side edge of the liner plate is provided with a sealing element which is filled in the deformation joint and is used for sealing the side edge of the deformation joint.
11. The waterproof structure of the wall deformation joint as claimed in claim 10, wherein: the outer fringe of movement joint is equipped with semi-closed drain pipe, the external diameter of drain pipe and the wide adaptation of seam of movement joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920830351.3U CN210797919U (en) | 2019-05-31 | 2019-05-31 | Waterproof structure of wall deformation joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920830351.3U CN210797919U (en) | 2019-05-31 | 2019-05-31 | Waterproof structure of wall deformation joint |
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| CN210797919U true CN210797919U (en) | 2020-06-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931136A (en) * | 2021-11-30 | 2022-01-14 | 王开明 | Structure and design method of waterproof expansion joint |
| CN114718362A (en) * | 2022-05-10 | 2022-07-08 | 北京城建集团有限责任公司 | Deformation joint construction method for underground water treatment structure |
-
2019
- 2019-05-31 CN CN201920830351.3U patent/CN210797919U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931136A (en) * | 2021-11-30 | 2022-01-14 | 王开明 | Structure and design method of waterproof expansion joint |
| CN114718362A (en) * | 2022-05-10 | 2022-07-08 | 北京城建集团有限责任公司 | Deformation joint construction method for underground water treatment structure |
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