CN217078875U - Basement post-cast strip seepage prevention structure - Google Patents
Basement post-cast strip seepage prevention structure Download PDFInfo
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- CN217078875U CN217078875U CN202220880920.7U CN202220880920U CN217078875U CN 217078875 U CN217078875 U CN 217078875U CN 202220880920 U CN202220880920 U CN 202220880920U CN 217078875 U CN217078875 U CN 217078875U
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Abstract
The application relates to the field of building construction, in particular to a basement post-cast strip seepage-proofing structure. The outer wall is vertically arranged on the ground, the reinforcing member is arranged in the outer wall, a pouring cavity is reserved on the outer wall, one end of the reinforcing member extends into the pouring cavity, and a post-pouring belt is poured in the pouring cavity; a reinforcing part is arranged on one side of the outer wall, which is far away from the basement; and a caulking joint communicated with the pouring cavity is reserved on the reinforcing part, and an anti-seepage piece is arranged on one side of the caulking joint, which is far away from the basement. The anti-seepage device has the effect of improving the anti-seepage capability of the basement post-cast strip.
Description
Technical Field
The application relates to the field of building construction, in particular to a basement post-cast strip seepage-proofing structure.
Background
The post-cast strip is a concrete strip reserved at corresponding positions of a foundation slab, a wall and a beam according to design or construction specification requirements for preventing a structure from generating harmful cracks due to nonuniform self shrinkage or nonuniform settlement in building construction.
The post-cast strip temporarily divides the structure into a plurality of parts, the construction joint concrete is cast and tamped after a plurality of time after the internal contraction of the member, and the structure is connected into an integral zone. When the temperature is lower, the casting time of the post-cast strip is preferably selected, the casting cement or the concrete mixed with trace aluminum powder in the cement can be used, the strength grade of the casting cement or the concrete mixed with trace aluminum powder in the cement is higher than that of the member by one grade, and cracks between the new concrete and the old concrete are prevented from forming weak parts. The position of the post-cast strip is set by considering different consumption factors of measures such as a template and the like.
In the existing basement post-cast strip structure, the strength of the concrete poured in advance of the wall body is different from that of the post-cast strip. Because the basement is under the ground, consequently not only can receive the infiltration of moisture in the soil, can receive the extrusion force of soil moreover, the post-cast strip can produce the crack under the effect of moisture and pressure, and then leads to the wall body infiltration.
SUMMERY OF THE UTILITY MODEL
In order to improve the seepage-proofing capability of the basement post-cast strip, the application provides a basement post-cast strip seepage-proofing structure.
The application provides a basement post-cast strip seepage prevention structure adopts following technical scheme:
a basement post-cast strip seepage-proofing structure comprises an outer wall and a reinforcing member, wherein the outer wall is vertically arranged on the ground, the reinforcing member is arranged in the outer wall, a casting cavity is reserved on the outer wall, one end of the reinforcing member extends into the casting cavity, and a post-cast strip is cast in the casting cavity; a reinforcing part is arranged on one side of the outer wall, which is far away from the basement; and a caulking joint communicated with the pouring cavity is reserved on the reinforcing part, and an anti-seepage piece is arranged on one side of the caulking joint, which is far away from the basement.
Through adopting above-mentioned technical scheme, when the seepage prevention structure to the basement is under construction, through set up the post-cast strip at the outer wall, can reduce the harmful crack that reinforced concrete structure produced because self shrink is uneven or subside the inequality. Simultaneously, the reinforcement can let and be connected more firmly between post-cast strip and the outer wall. After the construction of the anti-seepage structure is completed, earthwork can be backfilled, the reinforcing part can reduce the extrusion of the earthwork to the post-cast strip, and the post-cast strip is protected and supported. The seepage-proofing piece arranged in the caulking can improve the seepage-proofing capability of the basement post-cast strip.
Optionally, the reinforcing member is a steel plate, and one side of the steel plate is embedded in the outer wall, and the other side of the steel plate extends into the pouring cavity.
Through adopting above-mentioned technical scheme, the steel sheet can be with the merchant's concrete fixed connection of the interior merchant's concrete of outer wall and the intracavity of pouring to increase the joint strength of outer wall and post-cast strip, thereby increase the tensile strength of merchant's concrete.
Optionally, the reinforcement part and the outer wall are integrally poured, and the reinforcement part is arranged at the joint of the post-cast strip and the outer wall.
Through adopting above-mentioned technical scheme, rib and outer wall integration are pour, have promoted the convenience of pouring, and simultaneously after the merchant's concrete hardens, the rib and the outer wall of integration have better stability and waterproof nature.
Optionally, the width of the caulking is set to be 25-35 mm.
By adopting the technical scheme, the width of the caulking joint is set to be 25-35mm, so that the caulking joint can reduce the cracking of the reinforced part and can be filled with a waterproof layer, thereby improving the seepage-proofing capability of the basement post-cast strip
Optionally, one side of the reinforcing part, which is far away from the outer wall, is coated with waterproof paint.
Through adopting above-mentioned technical scheme, through additionally brushing waterproof coating on the one side of keeping away from the outer wall at the rib, can make additional waterproof area and earthwork not contact with each other to the prevention of seepage effect of reinforcing rib.
Optionally, the commercial concrete strength selected for the post-cast strip is greater than the commercial concrete strength selected for the outer wall, and the commercial concrete selected for the post-cast strip is shrinkage-compensating commercial concrete.
By adopting the technical scheme, the shrinkage-compensating commercial concrete is prepared by mixing a proper amount of expanding agent or prepared concrete into the commercial concrete. The expansion agent generates certain limited expansion to compensate the shrinkage of the commercial concrete in the hardening process by means of chemical reaction of the expansion agent or reaction with other components of the cement in the hardening process of the concrete, the commercial concrete expands together with the expansion, the expansion energy is used for tensioning the reinforcing steel bars, and the compressive stress is generated in the concrete, so that the crack resistance of the commercial concrete is improved.
Optionally, the anti-seepage piece includes outer formula waterstop and waterproof layer of pasting, the waterproof layer sets up in the caulking, outer formula waterstop sets up in the caulking and keeps away from the one side of pouring the chamber outward.
Through adopting above-mentioned technical scheme, outer formula waterstop and the waterproof layer of pasting all can be used to the waterproof of caulking to the prevention of seepage effect of reinforcing portion.
Optionally, a connecting band is arranged in the middle of one side of the externally-attached water stop, which is away from the caulking joint, an additional waterproof band is mounted on the connecting band, the size of the additional waterproof band is consistent with that of the externally-attached water stop and is opposite to the externally-attached water stop, and filling cavities are reserved between the externally-attached water stop and the additional waterproof band on two sides of the connecting band; one side of the externally-attached waterproof belt close to the pouring belt is provided with a plurality of convex blocks.
Through adopting above-mentioned technical scheme, outer subsides formula waterstop can seal the caulking, strengthens the prevention of seepage effect of rib, and fills cavity and a plurality of lug department multiplicable outer formula waterstop and the area of contact of merchant's concrete to make outer formula waterstop can stabilize and connect in the rib.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the anti-seepage structure of the basement is constructed, the post-pouring belt is arranged on the outer wall, so that harmful cracks of the reinforced concrete structure caused by nonuniform self-contraction or nonuniform settlement can be reduced. After the construction of the anti-seepage structure is completed, earthwork can be backfilled, the reinforcing part can reduce the extrusion of the earthwork to the post-cast strip, and the post-cast strip is protected and supported. The seepage-proofing piece arranged in the caulking can improve the seepage-proofing capability of the basement post-cast strip;
2. the shrinkage-compensating merchant concrete is produced by mixing proper amount of expanding agent or prepared concrete into merchant concrete. The expansion agent generates certain limited expansion to compensate the shrinkage of the commercial concrete in the hardening process by virtue of chemical reaction of the expansion agent or reaction with other components of cement in the hardening process of the concrete, the commercial concrete expands together with the expansion of the expansion agent, and the expansion energy is used for tensioning the reinforcing steel bars to generate compressive stress in the concrete, so that the crack resistance of the commercial concrete is improved;
3. the outer formula waterstop that pastes can seal the caulking, strengthens the prevention of seepage effect of rib, and fills cavity and a plurality of lug department multiplicable outer formula waterstop and the area of contact of merchant's concrete to make outer formula waterstop can stabilize and connect in the rib.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic structural view of an external waterproof tape, a connecting tape and an additional waterproof tape in the embodiment of the present application.
Reference numerals: 1. an outer wall; 2. a reinforcement; 3. post-pouring a belt; 4. a reinforcing portion; 41. waterproof paint; 5. caulking; 6. a barrier; 61. an externally-attached water stop; 611. a bump; 62. a connecting belt; 63. a waterproof tape is attached.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses basement post-cast strip seepage prevention structure.
Referring to fig. 1, the basement post-cast strip seepage-proofing structure comprises an outer wall 1 serving as a basement bearing main body, wherein the outer wall 1 is formed by pouring commercial concrete with the strength of C30 perpendicular to the ground. The outer wall 1 is left when pouring and is pour the chamber, and the embedded reinforcement 2 that is equipped with of outer wall 1, one side of reinforcement 2 are inlayed and are located in outer wall 1, the other side extends to pour the intracavity.
With reference to fig. 1, a post-cast strip 3 is cast in the casting cavity, and the post-cast strip 3 is made of C35 shrinkage-compensating commercial concrete. And after the C30 commercial concrete poured on the outer wall 1 is completely hardened and molded and reaches the specified strength, the compensation shrinkage commercial concrete with the strength of C35 is poured on the post-cast strip 3.
In this embodiment, the reinforcing member 2 is a steel plate, and in other embodiments, a plurality of screws may be used as the reinforcing member 2. One side of a plurality of screws is embedded in the outer wall 1, the other side extends to the pouring cavity, and the plurality of screws are arranged side by side at equal intervals.
Referring to fig. 1, a reinforcing part 4 is disposed on one side of the outer wall 1 away from the basement, one side of the reinforcing part 4 close to the outer wall 1 is connected to the outer wall 1, and one side of the reinforcing part 4 away from the outer wall 1 is painted with a waterproof paint 41. The side of the reinforcing part 4 close to the outer wall 1 completely covers the joint of the outer wall 1 and the post-cast strip 3. The reinforcing member is integrally cast by commercial concrete with the same strength as the outer wall 1. In this embodiment, the waterproof coating is selected from a water-based asphalt waterproof coating, and in other embodiments, other waterproof coatings such as a polyurethane waterproof coating, a water-based polyvinyl chloride tar waterproof coating, a polyvinyl chloride elastic waterproof coating, a soap-emulsified asphalt waterproof coating, a solvent-based rubber asphalt waterproof coating, a polymer emulsion casting waterproof coating, and a polymer cement waterproof coating may be selected.
Referring to fig. 1, the reinforcing portion 4 is provided with a caulking 5, and the caulking 5 penetrates the reinforcing portion 4 perpendicularly in the width direction of the reinforcing portion 4. Before the shrinkage-compensating commercial concrete with the strength of C35 is poured into the post-pouring cavity, the caulking joint 5 is communicated with the pouring cavity. The width of the caulking 5 is set to 25-35mm, and the waterproof layer can be filled while the cracks of the reinforcing part 4 are reduced.
Referring to fig. 2, a seepage-proofing member 6 for preventing moisture from permeating is arranged in the caulking 5, and the seepage-proofing member 6 comprises an externally attached water stop 61 and a waterproof layer. The waterproof layer is embedded in the caulking joint 5, and the externally attached water stop 61 is fixedly connected to one side of the caulking joint 5, which is far away from the pouring cavity. The waterproof layer is filled with polyurethane foam adhesive. One side middle part fixedly connected with connecting band 62 that outer subsides formula waterproof zone deviates from caulking 5 installs additional waterproof zone 63 on the connecting band 62, and the size of additional waterproof zone 63 is unanimous just right mutually with the size in outer subsides formula waterproof zone, and the both sides of connecting band 62 just are located and all leave between outer subsides formula waterproof zone and the additional waterproof zone 63 and fill the cavity. When pouring the commercial concrete, the commercial concrete can enter the filling cavity to increase the stability of the connection of the connecting band 62.
With reference to fig. 2 and 3, a plurality of protrusions 611 are disposed on one side of the external waterproof tape close to the casting tape, and the plurality of protrusions 611 increase the contact area between the external waterproof tape and the first commercial concrete, so as to increase the connection stability.
The implementation principle of the basement post-cast strip seepage-proofing structure in the embodiment of the application is as follows: in the construction process of the anti-seepage structure, firstly, the tied steel bars are placed at the pouring position of the outer wall 1; then, erecting a formwork around the reinforcing steel bars, and reserving the position of a pouring cavity; when a formwork is erected, a first formwork with the same size as the caulking joint 5 is selected at the position of the caulking joint 5, the first formwork supports the externally attached water stop belt 61 against the second formwork at one side of the caulking joint 5 far away from the pouring cavity, and supports against the third formwork at one side of the caulking joint 5 near the pouring cavity; then, pouring by using commercial concrete with the strength of C30, and taking out the first template when the commercial concrete with the strength of C30 is semi-solidified, thereby forming a caulking joint 5, and simultaneously integrally pouring and fixing the externally attached water stop 61 on one side, far away from the pouring cavity, outside the caulking joint 5; after the commercial concrete with the strength of C30 is completely solidified, pouring the pouring cavity by using the compensation shrinkage commercial concrete with the strength of C35; and after the commercial concrete with the strength of C30 is completely solidified, filling a waterproof layer in the caulking joint 5, and smearing a waterproof coating 41 on one side of the outer wall 1, which is far away from the basement, so as to improve the seepage-proofing capability of the basement post-cast strip 3.
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: equivalent changes in 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 basement post-cast strip seepage prevention structure which characterized in that: the concrete pouring structure comprises an outer wall (1) and a reinforcing member (2), wherein the outer wall (1) is vertically arranged on the ground, the reinforcing member (2) is arranged in the outer wall (1), a pouring cavity is reserved on the outer wall (1), one end of the reinforcing member (2) extends into the pouring cavity, and a post-pouring belt (3) is poured in the pouring cavity; a reinforcing part (4) is arranged on one side of the outer wall (1) far away from the basement; and a caulking joint (5) communicated with the pouring cavity is reserved on the reinforcing part (4), and an anti-seepage piece (6) is installed on one side, far away from the basement, of the caulking joint (5).
2. The basement post-cast strip seepage-proofing structure according to claim 1, characterized in that: the reinforcing member (2) is a steel plate, one side of the steel plate is embedded in the outer wall (1), and the other side of the steel plate extends into the pouring cavity.
3. The basement post-cast strip seepage-proofing structure of claim 1, which is characterized in that: the reinforcing part (4) and the outer wall (1) are integrally poured, and the reinforcing part (4) is arranged at the joint of the post-cast strip (3) and the outer wall (1).
4. The basement post-cast strip seepage-proofing structure of claim 1, which is characterized in that: the width of the caulking (5) is set to be 25-35 mm.
5. The basement post-cast strip seepage-proofing structure of claim 3, which is characterized in that: and one side of the reinforcing part (4) far away from the outer wall (1) is coated with waterproof paint (41).
6. The basement post-cast strip seepage-proofing structure of claim 1, which is characterized in that: the commercial concrete strength selected by the post-cast strip (3) is greater than that selected by the outer wall (1), and the commercial concrete selected by the post-cast strip (3) is compensation shrinkage commercial concrete.
7. The basement post-cast strip seepage-proofing structure of claim 1, which is characterized in that: the anti-seepage part (6) comprises an externally-attached water stop belt (61) and a waterproof layer, the waterproof layer is arranged in the caulking joint (5), and the externally-attached water stop belt (61) is arranged on one side, far away from the pouring cavity, of the caulking joint (5).
8. The basement post-cast strip seepage-proofing structure of claim 7, which is characterized in that: a connecting belt (62) is arranged in the middle of one side, away from the caulking joint (5), of the externally-attached water stop belt (61), an additional waterproof belt (63) is mounted on the connecting belt (62), the size of the additional waterproof belt (63) is the same as that of the externally-attached water stop belt (61) and opposite to the externally-attached water stop belt, and filling cavities are reserved between the externally-attached water stop belt (61) and the additional waterproof belt (63) on two sides of the connecting belt (62); and a plurality of convex blocks (611) are arranged on one side of the externally-attached water stop belt (61) close to the pouring belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220880920.7U CN217078875U (en) | 2022-04-15 | 2022-04-15 | Basement post-cast strip seepage prevention structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220880920.7U CN217078875U (en) | 2022-04-15 | 2022-04-15 | Basement post-cast strip seepage prevention structure |
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| CN217078875U true CN217078875U (en) | 2022-07-29 |
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| CN202220880920.7U Active CN217078875U (en) | 2022-04-15 | 2022-04-15 | Basement post-cast strip seepage prevention structure |
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