CN213086879U - Sealing strip and pile head waterproof structure adopting same - Google Patents
Sealing strip and pile head waterproof structure adopting same Download PDFInfo
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- CN213086879U CN213086879U CN202021220668.4U CN202021220668U CN213086879U CN 213086879 U CN213086879 U CN 213086879U CN 202021220668 U CN202021220668 U CN 202021220668U CN 213086879 U CN213086879 U CN 213086879U
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Abstract
The utility model discloses a sealing strip and adopt pile head waterproof construction of this sealing strip, the sealing strip including sealed glue, cladding in sealed outer interior film of gluing, cladding in the outer nethike embrane of interior film and cladding in the outer barrier film of nethike embrane, the nethike embrane hole has been seted up on the nethike embrane, still be equipped with from the viscose layer between nethike embrane and the outer barrier film, the local cladding of self-adhesive layer is outside the nethike embrane. The utility model discloses a sealing strip adopts special construction, under the extrusion of post-cast pile head, inside sealed glue constantly by being extruded, sealing waterproof coiled material, foundation pile head and post-cast pile head to along with subsiding of building, post-cast pile head extrusion pressure grow, the inside sealed glue of sealing strip is more extruded, makes waterproofing coiled material inseparabler with the pile head is sealed, and is waterproof more reliable, thereby forms the virtuous circle.
Description
Technical Field
The utility model relates to a waterproof technical field of building especially relates to a sealing strip and adopt pile head waterproof construction of this sealing strip.
Background
The sealing strip is a product which has the functions of shock absorption, water resistance, sound insulation, heat insulation, dust prevention, fixation and the like. The existing sealing strip is too simple in structure and poor in sealing performance.
Basement is an important component of buildings in China, along with the development of society, the urban density is continuously improved, basement projects such as underground civil air defense, underground shopping malls, underground warehouses, underground parking lots and the like are more and more widely utilized, the depth and the number of layers of the basement are continuously increased and expanded, the common leakage problem of the basement is always a pain point of the basement project quality, the project quality of the basement and buildings on the upper layer of the basement is seriously influenced, and great inconvenience is brought to the normal use, management and maintenance of the basement.
Cause the basement seepage's reason to have a lot of, and the key wherein is the seepage problem at basement pile head position with the key, to the seepage problem at basement pile head position, people have proposed a lot of solutions: for example, the utility model with publication number CN 104975617B provides a waterproof construction method for a basement foundation cast-in-place pile head, which has rigid waterproof and flexible waterproof functions, so that the foundation bearing platform and the waterproof functions of the bearing platform and the pile head are integrated, and the leakage point at the pile head is prevented. The utility model discloses a utility model patent of publication No. CN 106759308B provides a waterproof construction method of prefabricated hollow pile head, has all carried out water repellent to the inside and outside lateral wall and the pile head of hollow pile, reaches good water-proof effects through three steps of water repellent. The utility model discloses a utility model patent for CN 109372027A provides a precast pile head waterproof construction and construction process thereof, adopts the novel waterproof material of MBP coiled material, and impervious ability reinforce, tensile strength are high, can bond closely knit, not scurry water with the concrete structure of pouring on it, and construction convenience is swift, waterproof quality can obtain effectual assurance. And utility model patents with publication numbers CN 208763074U, CN 207959291U and CN 205475361U all relate to the technology of waterproof treatment of pile head, but all fail to solve the problem of waterproof failure at the pile head caused by the construction in the process of settlement.
The main reason for leakage at the pile head of the basement is that the waterproof failure at the pile head is caused in the process of building settlement, and the groundwater seepage is caused, but the existing building settlement is unavoidable. Therefore, how to ensure the waterproof effect at the pile head is an urgent problem to be solved in the building settlement process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of above-mentioned prior art, a sealing strip and adopt pile head waterproof construction of this sealing strip is provided, this sealing strip is under the extrusion of post-cast pile head, inside sealed glue constantly is extruded, sealed waterproofing membrane, foundation pile head and post-cast pile head, and along with subsiding of building, post-cast pile head extrusion pressure grow, the inside sealed glue of sealing strip is more extruded, make waterproofing membrane and pile head sealed inseparabler, it is waterproof more reliable, thereby form virtuous circle. This pile head waterproof construction can effectively solve basement pile head department seepage problem.
In order to solve the above problems, the utility model adopts the following technical proposal:
the first aspect provides a sealing strip, including sealed glue, cladding in sealed outer interior film of gluing, cladding in the outer nethike embrane of interior film and cladding in the outer barrier film of nethike embrane, the nethike embrane hole has been seted up on the nethike embrane, still be equipped with the self-adhesion glue film between nethike embrane and the outer barrier film, the local cladding of self-adhesion glue film is outside the nethike embrane.
According to a further technical scheme, a strip-shaped hole-free area is arranged on the net film along the length direction, and the self-adhesive layer is arranged on the strip-shaped hole-free area.
The further technical proposal is that the sealant is one of asphalt sealant, silicone building sealant, polyurethane building sealant, acrylate building sealant and polysulfide building sealant.
The further technical scheme is that the inner thin film is a low-strength polymer thin film, and the inner thin film can be broken by the sealant inside under certain external pressure.
The technical scheme is that the net film is made of high-strength polymer materials, the sealing strip plays a role of supporting a framework, the sealing strip is enabled to keep a certain shape, and a plurality of net film holes capable of allowing the sealant to be extruded are formed in the net film.
The further technical scheme is that the outer isolating film is a silicon-coated isolating film which can be peeled from the self-adhesive layer and the sealant, and plays a role in protecting and isolating the sealing strip.
The second aspect provides a pile head waterproof construction, including the foundation pile head, the lower part of foundation pile head buries in basement soil layer, be equipped with the concrete bed course on the basement soil layer, laid the waterproof layer on the concrete bed course, the top of foundation pile head is higher than the waterproof layer, the upper surface of foundation pile head is equipped with the post-cast pile head, the diameter of post-cast pile head is greater than the diameter of foundation pile head, is equipped with foretell sealing strip between post-cast pile head and waterproof layer, the sealing strip respectively with the side of foundation pile head, the upper surface of waterproof layer and the lower surface contact of post-cast pile head.
Optionally, the concrete cushion around the foundation pile head is provided with an annular groove, the annular groove extends to the side face of the foundation pile head, the upper edge of the annular groove is provided with a buffer rod, the buffer rod is located below the waterproof layer, the post-cast pile head is located in the annular groove, the top face of the post-cast pile head is flush with the annular groove or is higher than the annular groove, and the side face of the post-cast pile head is tightly attached to the waterproof layer on the side wall of the annular groove.
Optionally, the concrete cushion around the foundation pile head is provided with an annular groove, the annular groove and the foundation pile head are arranged at intervals, a buffer rod is arranged in the annular groove, the buffer rod is located above the waterproof layer, and the lower surface of the post-cast pile head is in contact with the buffer rod.
The technical scheme is that the upper surface of the foundation pile head, the upper surface of the post-cast pile head and the side surface higher than the annular groove are coated with waterproof paint, reinforcing steel bars are arranged in the pile body of the foundation pile head, the reinforcing steel bars stretch out of the top of the post-cast pile head, and water-swelling water-stop strips are arranged at the contact positions of the reinforcing steel bars stretching out of the top of the post-cast pile head and the post-cast pile head.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
1. the utility model discloses the sealing strip adopts special construction, under the extrusion of post-cast pile head, inside sealed glue constantly by being extruded, sealed waterproofing membrane, foundation pile head and post-cast pile head to along with subsiding of building, post-cast pile head extrusion pressure grow, the inside sealed glue of sealing strip is more extruded, makes waterproofing membrane inseparabler with the pile head is sealed, and is waterproof more reliable, thereby forms the virtuous circle.
2. The utility model discloses a pile head waterproof construction pours the post-cast pile head again through laying waterproofing membrane earlier, and waterproofing membrane and post-cast pile head form integratively to post-cast pile head tip sets up the buffer rod, makes waterproofing membrane can subside along with subsiding of post-cast pile head together, can not subside because of the pile head and lead to waterproofing membrane atress to be torn, guarantees waterproof integrality and reliability.
3. The utility model provides a pile head waterproof construction is applicable to the pile head of various different models such as bored concrete pile, precast pile, hollow pile, different shapes, and the practicality is big.
Drawings
FIG. 1 is a schematic sectional view of the sealing tape;
FIG. 2 is a schematic structural view of the sealing strip with the outer release film removed;
FIG. 3 is a developed view of the web of the sealing strip;
fig. 4 is a schematic view of embodiment 1 of the pile head waterproofing structure;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a schematic view of embodiment 2 of the pile head waterproofing structure;
fig. 7 is a schematic view of embodiment 3 of the pile head waterproof structure.
In the figure: 1. a foundation pile head; 2. a basal soil layer; 3. a concrete cushion; 4. a waterproof layer; 5. post-pouring a pile head; 6-1, sealing gum; 6-2, inner film; 6-3, net film; 6-4, a self-adhesive layer; 6-5, an outer isolating membrane; 6-6, mesh membrane holes; 6-7, strip-shaped non-hole areas; 7. an annular groove; 8. a buffer rod; 9. waterproof paint; 10. reinforcing steel bars; 11. a water stop rod expanding when meeting water.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-3, the sealing strip comprises a sealant 6-1, an inner film 6-2 coated outside the sealant 6-1, a net film 6-3 coated outside the inner film 6-2, and an outer isolating film 6-5 coated outside the net film 6-3, wherein a net film hole 6-6 is formed in the net film 6-3, a self-adhesive layer 6-4 is further arranged between the net film 6-3 and the outer isolating film 6-5, and the self-adhesive layer 6-4 is partially coated outside the net film 6-3.
Preferably, a strip-shaped non-hole area 6-7 is arranged on the net film 6-3 along the length direction, and the self-adhesive layer 6-4 is arranged on the strip-shaped non-hole area 6-7.
The sealant 6-1 is one of asphalt sealant, silicone building sealant, polyurethane building sealant, acrylate building sealant and polysulfide building sealant; the inner film 6-2 is a low-strength PET film, and the inner sealant 6-1 can break the inner film 6-2 under certain external pressure; the net film 6-3 is a high-strength PE film, plays a role of supporting a framework in the sealing strip to enable the sealing strip to keep a certain shape, is provided with a plurality of net film holes 6-6 capable of enabling the sealing glue 6-1 to be extruded out, and is provided with a self-adhesive layer 6-4 for adhering and fixing the sealing strip 6; the outer isolating film 6-5 is a silicon-coated isolating film which can be peeled off from the self-adhesive layer 6-4 and the sealant 6-1, and plays a role in protecting and isolating the sealing strip 6.
The utility model discloses a sealing strip adopts special construction, under the extrusion of post-cast pile head, inside sealed glue constantly by being extruded, sealing waterproof coiled material, foundation pile head and post-cast pile head to along with subsiding of building, post-cast pile head extrusion pressure grow, the inside sealed glue of sealing strip is more extruded, makes waterproofing coiled material inseparabler with the pile head is sealed, and is waterproof more reliable, thereby forms the virtuous circle.
Referring to fig. 4 and 5, fig. 4 is a schematic view of embodiment 1 of the pile head waterproofing structure, and fig. 5 is an enlarged view of a portion a in fig. 4. The utility model provides a pile head waterproof construction, includes foundation pile head 1, foundation pile head 1's lower part is buried in basement soil layer 2, be equipped with concrete cushion 3 on basement soil layer 2, foundation pile head 1 concrete cushion 3 all around is equipped with annular groove 7, annular groove 7 extends to foundation pile head 1 side, the top edge of annular groove 7 is provided with the chamfer, chamfer department is provided with buffer rod 8, buffer rod 8 is semicircular PE foam stick. The concrete cushion 3 upper berth is equipped with waterproof layer 4, buffer rod 8 is located waterproof layer 4 below, the waterproof layer 4 that the top of foundation pile head 1 is higher than annular groove 7 bottom surface, the upper surface of foundation pile head 1 is equipped with post-cast pile head 5, models such as the used concrete of post-cast pile head 5, reinforcing bar are unanimous with foundation pile head 1 is used, post-cast pile head 5 four weeks is wide out foundation pile head 250mm, post-cast pile head 5 is located annular groove 7, the top surface of post-cast pile head 5 flushes with annular groove 7, the side of post-cast pile head 5 is hugged closely with waterproof layer 4 of annular groove 7 lateral wall. The waterproof sealing strip is arranged between the lower surface of the post-cast pile head 5 and the waterproof layer 4, the sealing strip is in contact with the side face of the foundation pile head 1, the upper surface of the waterproof layer 4 and the lower surface of the post-cast pile head 5 respectively, the upper surface of the foundation pile head 1 and the upper surface of the post-cast pile head 5 are coated with waterproof paint 9, the waterproof paint 9 is permeable crystallization type waterproof paint, the thickness of the permeable crystallization type waterproof paint is 1mm, and the using amount of the permeable crystallization type waterproof paint is 1.5kg/m 2. Be equipped with reinforcing bar 10 in the pile body of foundation pile head 1, reinforcing bar 10 stretches out the top of post-cast pile head 5, and the reinforcing bar 3 that stretches out the top of post-cast pile head 5 is equipped with water swelling sealing rod 11 with the post-cast pile head 5 contact department.
The waterproof layer 4 is a waterproof coiled material, the number of the waterproof layer 4 is one, and the laying mode is pre-laying reverse adhesion or empty laying or point adhesion or full adhesion.
Referring to fig. 6, fig. 6 is a schematic view of embodiment 2 of the pile head waterproofing structure. The utility model provides a pile head waterproof construction, includes foundation pile head 1, foundation pile head 1's lower part is buried in basement soil layer 2, be equipped with concrete cushion 3 on basement soil layer 2, foundation pile head 1 concrete cushion 3 all around is equipped with annular groove 7, annular groove 7 extends to foundation pile head 1 side, the top edge of annular groove 7 is provided with the chamfer, chamfer department is provided with buffer rod 8, buffer rod 8 is semicircular PE foam stick. The concrete cushion 3 upper berth is equipped with waterproof layer 4, buffer rod 8 is located waterproof layer 4 below, the top of foundation pile head 1 is higher than waterproof layer 4 of annular groove 7 bottom surface, the upper surface of foundation pile head 1 is equipped with post-cast pile head 5, models such as the used concrete of post-cast pile head 5, reinforcing bar are unanimous with foundation pile head 1 is used, post-cast pile head 5 four weeks is wide out foundation pile head 250mm, post-cast pile head 5 is located annular groove 7, the top surface of post-cast pile head 5 is higher than annular groove 7, the side of post-cast pile head 5 is hugged closely with waterproof layer 4 of annular groove 7 lateral wall. The waterproof sealing strip is arranged between the lower surface of the post-cast pile head 5 and the waterproof layer 4, the sealing strip is in contact with the side surface of the foundation pile head 1, the upper surface of the waterproof layer 4 and the lower surface of the post-cast pile head 5 respectively, the upper surface of the foundation pile head 1, the upper surface of the post-cast pile head 5 and the side surface higher than the annular groove 7 are coated with waterproof paint 9, the waterproof paint 9 is capillary crystalline waterproof paint, the thickness of the capillary crystalline waterproof paint is 1mm, and the using amount of the capillary crystalline waterproof paint is 1.5kg/m 2. Be equipped with reinforcing bar 10 in the pile body of foundation pile head 1, reinforcing bar 10 stretches out the top of post-cast pile head 5, and the reinforcing bar 3 that stretches out the top of post-cast pile head 5 is equipped with water swelling sealing rod 11 with the post-cast pile head 5 contact department.
The waterproof layer 4 is a waterproof coiled material, the number of the waterproof layer 4 is one, and the laying mode is pre-laying reverse adhesion or empty laying or point adhesion or full adhesion.
Referring to fig. 7, fig. 7 is a schematic view of embodiment 3 of the pile head waterproofing structure. A pile head waterproof structure comprises a foundation pile head 1, wherein the lower part of the foundation pile head 1 is buried in a foundation soil layer 2, the foundation soil layer 2 is provided with a concrete cushion 3, the concrete cushion 3 around the foundation pile head 1 is provided with an annular groove 7, the annular groove 7 and the foundation pile head 1 are arranged at intervals, the waterproof layer 4 is laid on the concrete cushion layer 3, a buffer rod 8 is arranged in the annular groove 7, the buffer rod 8 is positioned above the waterproof layer 4, the top end of the foundation pile head 1 is higher than the waterproof layer 4, the upper surface of the foundation pile head 1 is provided with a post-cast pile head 5, the post-cast pile head 5 is made of concrete, steel bars and other types which are consistent with those of the foundation pile head 1, the periphery of the post-cast pile head 5 is 250mm wide of the foundation pile head, the post-cast pile head 5 extends to the upper side of the annular groove 7, and the lower surface of the post-cast pile head 5 is in contact with the buffer rod 8. The buffer rod 8 is a round PE foam rod. Be equipped with the sealing strip between the lower surface of post-cast pile head 5 and waterproof layer 4, the sealing strip contacts with the side of foundation pile head 1, the upper surface of waterproof layer 4 and the lower surface of post-cast pile head 5 respectively, the upper surface of foundation pile head 1, the upper surface of post-cast pile head 5 and side scribble waterproof paint 9, waterproof paint 9 is infiltration crystallization type waterproof paint, infiltration crystallization type waterproof paint thickness position 1mm, the quantity is 1.5kg/m 2. Be equipped with reinforcing bar 10 in the pile body of foundation pile head 1, reinforcing bar 10 stretches out the top of post-cast pile head 5, and the reinforcing bar 3 that stretches out the top of post-cast pile head 5 is equipped with water swelling sealing rod 11 with the post-cast pile head 5 contact department.
The waterproof layer 4 is a waterproof coiled material, the number of the waterproof layer 4 is one, and the laying mode is pre-laying reverse adhesion or empty laying or point adhesion or full adhesion.
The utility model discloses a lay waterproof layer 4 earlier and pour post-cast pile head 5 again, waterproof layer 4 and post-cast pile head 5 form integratively to 5 tip of post-cast pile head set up buffer rod 8, make waterproof layer 4 can subside along with subsiding of post-cast pile head 5 together, can not subside because of the pile head and lead to waterproof layer 4 atress to be torn, guarantee waterproof integrality and reliability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. The sealing strip is characterized by comprising a sealing glue (6-1), an inner film (6-2) coated outside the sealing glue (6-1), a net film (6-3) coated outside the inner film (6-2) and an outer isolating film (6-5) coated outside the net film (6-3), a net film hole (6-6) is formed in the net film (6-3), a self-adhesive layer (6-4) is further arranged between the net film (6-3) and the outer isolating film (6-5), and the self-adhesive layer (6-4) is partially coated outside the net film (6-3).
2. Sealing strip according to claim 1, characterised in that the web (6-3) is provided with a strip-like void-free zone (6-7) along its length, the self-adhesive layer (6-4) being provided in the strip-like void-free zone (6-7).
3. The weatherstrip according to claim 1 wherein said sealant (6-1) is one of a bitumen based sealant, a silicone building sealant, a polyurethane building sealant, an acrylate building sealant, a polysulfide building sealant.
4. Sealing strip according to claim 1, characterised in that the inner film (6-2) is a low strength polymer film.
5. Sealing strip according to claim 1, characterised in that the webs (6-3) are of a high-strength polymer material.
6. A sealing strip according to claim 1, wherein said outer barrier film (6-5) is a silicon-coated barrier film peelable from the self-adhesive layer (6-4) and the sealant (6-1).
7. The utility model provides a pile head waterproof construction, includes foundation pile head (1), the lower part of foundation pile head (1) is buried in basement soil layer (2), be equipped with concrete bed course (3) on basement soil layer (2), concrete bed course (3) upper berth is equipped with waterproof layer (4), its characterized in that, the top of foundation pile head (1) is higher than waterproof layer (4), the upper surface of foundation pile head (1) is equipped with post-cast pile head (5), the diameter of post-cast pile head (5) is greater than the diameter of foundation pile head (1), be equipped with between post-cast pile head (5) and waterproof layer (4) according to any one of claims 1-6 the sealing strip, the sealing strip respectively with the side of foundation pile head (1), the upper surface of waterproof layer (4) and the lower surface contact of post-cast pile head (5).
8. The pile head waterproof structure according to claim 7, wherein the concrete cushion (3) around the foundation pile head (1) is provided with an annular groove (7), the annular groove (7) extends to the side of the foundation pile head (1), the upper edge of the annular groove (7) is provided with a buffer rod (8), the buffer rod (8) is located below the waterproof layer (4), the post-cast pile head (5) is located in the annular groove (7), the top surface of the post-cast pile head (5) is flush with the annular groove (7) or higher than the annular groove (7), and the side of the post-cast pile head (5) is tightly attached to the waterproof layer (4) on the side wall of the annular groove (7).
9. The pile head waterproof structure according to claim 7, wherein the concrete cushion (3) around the foundation pile head (1) is provided with an annular groove (7), the annular groove (7) is spaced from the foundation pile head (1), a buffer rod (8) is arranged in the annular groove (7), the buffer rod (8) is positioned above the waterproof layer (4), and the lower surface of the post-cast pile head (5) is in contact with the buffer rod (8).
10. The pile head waterproof structure according to claim 7, wherein the upper surface of the foundation pile head (1), the upper surface of the post-cast pile head (5) and the side surface higher than the annular groove (7) are coated with waterproof paint (9), a steel bar (10) is arranged in the pile body of the foundation pile head (1), the steel bar (10) extends out of the top of the post-cast pile head (5), and a water-swelling water stop strip (11) is arranged at the contact position of the steel bar (10) extending out of the top of the post-cast pile head (5) and the post-cast pile head (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220668.4U CN213086879U (en) | 2020-06-28 | 2020-06-28 | Sealing strip and pile head waterproof structure adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220668.4U CN213086879U (en) | 2020-06-28 | 2020-06-28 | Sealing strip and pile head waterproof structure adopting same |
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| Publication Number | Publication Date |
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| CN213086879U true CN213086879U (en) | 2021-04-30 |
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| CN202021220668.4U Active CN213086879U (en) | 2020-06-28 | 2020-06-28 | Sealing strip and pile head waterproof structure adopting same |
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| CN (1) | CN213086879U (en) |
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