CN107023085B

CN107023085B - Pressure separation type water stop and installation method thereof

Info

Publication number: CN107023085B
Application number: CN201710299741.8A
Authority: CN
Inventors: 丁杰
Original assignee: Individual
Current assignee: Xi'an Construction Co Ltd Of China Railway 11th Bureau Group; China Railway 11th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
Priority date: 2017-05-02
Filing date: 2017-05-02
Publication date: 2022-11-18
Anticipated expiration: 2037-05-02
Also published as: CN107023085A

Abstract

The invention provides a pressure separation type water stop and an installation method thereof, and relates to the field of prevention of water leakage of construction joints. The invention provides a pressure separation type water stop for preventing water leakage of construction joints. Each first fixed suit of group includes two at least first fixed covers for pre-buried both sides at the construction joint. The waterstop body is used for covering the construction joint, and the fasteners penetrate the waterstop body respectively and are correspondingly connected with the first fixing sleeves so as to fix the waterstop body on the first fixing sleeves. The pressure separation type water stop belt with the structure is suitable for common deformation joints, structural joints and the like, is more suitable for the condition that structures on two sides of a high and large structural construction joint are separately constructed, has better water stop effect and convenient construction, and can greatly reduce the difficulty of pre-buried installation. The installation method of the pressure separation type water stop is simple and easy to operate, the water stop effect is good, and the difficulty of pre-buried installation can be greatly reduced.

Description

Pressure separation type water stop and installation method thereof

Technical Field

The invention relates to the field of waterproof equipment for building construction, in particular to a pressure separation type water stop and an installation method thereof.

Background

The water stop is a belt-shaped object manufactured and installed for preventing moisture from permeating, and is generally used for construction joints of waterproof parts or post-cast strips or pipe wall-penetrating parts. It must usually be looped. The rubber water stop strip is generally made of a steel plate or a rubber plate with the width of 300-500 mm, and is also sold on the market at present.

The water stop is mainly used for projects such as capital construction projects, underground facilities, tunnels, sewage treatment plants, water conservancy projects, subways and the like. The expansion joint concrete is used for casting and matching expansion joint concrete of gates, dam bottoms, building engineering, underground buildings and the like, and the service life of engineering buildings is ensured.

Because the water stop belt needs to be installed and positioned before concrete pouring, when a higher concrete structure is encountered and structures on two sides of a deformation joint need to be separately poured, the water stop belt can only be pre-embedded on one side, at the moment, one half of the water stop belt needs to be clamped in a template, and the other half of the water stop belt is exposed out of the structure. At the moment, if the wood template is adopted, the external corner is difficult to reinforce if the structure width is large; if a steel template is adopted, the bolts at the external corners cannot be connected, so that great construction difficulty is caused, the positions for installing the water stop belts easily run out of the mold and leak slurry, and the water stop effect is not ideal.

Therefore, designing a water stop capable of effectively solving the problems is a technical problem which is urgently needed to be solved at present.

Disclosure of Invention

The invention aims to provide a pressure separation type water stop belt which is suitable for common deformation joints, structural joints and the like, and is more suitable for the condition that structures on two sides of a high and large structural construction joint are separately constructed. The pressure separation type waterstop has good water stopping effect, and can greatly reduce the difficulty of pre-buried installation.

The invention aims to provide an installation method of a pressure separation type water stop belt, which is suitable for common deformation joints, structural joints and the like, and is more suitable for the condition of separate construction of structures at two sides of a high and large structural construction joint. The pressure separation type water stop belt is simple and convenient in installation method and good in water stop effect, and the difficulty of pre-buried installation can be greatly reduced.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the invention provides a pressure separation type waterstop which is used for preventing water leakage of a construction joint and comprises a plurality of groups of first fixing sleeve sets, a waterstop body and a plurality of fasteners; each group of first fixing suit comprises at least two first fixing sleeves which are pre-buried at two sides of the construction joint; the stagnant water area body is used for covering the construction joint, and it is a plurality of the fastener passes respectively the stagnant water area body, and with a plurality of first fixed cover is corresponded and is connected, in order to incite somebody to action the stagnant water area body is fixed in first fixed cover.

Further, the fastener comprises a fastener body and a reinforced elastic part, wherein the reinforced elastic part is sleeved on the periphery of the fastener body and can elastically deform along the extension direction of the fastener body; one end of the reinforced elastic part is connected with one end of the fastener body, and the other end of the reinforced elastic part selectively abuts against the water stop belt body.

Further, the first fixing sleeve comprises a first fixing part and a first sealing part which are connected with each other; the water stop belt body comprises a water stop belt body and a plurality of first sealing sleeve caps, and the first sealing sleeve caps are arranged on the water stop belt body; the first sealing sleeve caps are matched with the first sealing parts one by one; the plurality of fasteners respectively penetrate through the plurality of first sealing sleeve caps and are connected with the plurality of first fixed parts.

Furthermore, the fastener also comprises a sealing plug, the sealing plug is annularly arranged on the periphery of the fastener body, one end of the fastener body is provided with a limiting block, one end of the reinforced elastic part is connected with the limiting block, the other end of the reinforced elastic part is connected with the sealing plug, and the sealing plug can move relative to the limiting block through the reinforced elastic part; the other end of the fastener body penetrates through the first sealing sleeve cap and is connected with the first fixing part, and the plurality of sealing plugs are matched and corresponding to the plurality of first sealing sleeve caps one by one.

Further, the first sealing sleeve cap comprises a sleeve cap body and a pressing strip, the pressing strip is arranged on the inner wall of the sleeve cap body, the fastener further comprises a sealing ring, the sealing ring is arranged between the pressing strip and the sealing plug, and the fastener body sequentially penetrates through the sealing ring, the pressing strip and the sleeve cap body and is connected with the first consolidation part.

Furthermore, the first sealing portion, the first sealing sleeve cap and the sealing plug are all in a circular truncated cone shape, the size of the upper bottom surface of the first sealing portion is smaller than that of the lower bottom surface of the first sealing portion, and the upper bottom surface of the first sealing portion is connected with the first fixing portion.

Furthermore, the pressure separation type water stop further comprises a plurality of groups of second fixing sleeves, each group of second fixing sleeves comprises at least two second fixing sleeves and is embedded at two sides of the construction joint, and the plurality of groups of second fixing sleeves and the plurality of groups of first fixing sleeves are arranged at intervals; the waterstop body further comprises a plurality of second sealing sleeve caps, the second sealing sleeve caps are arranged on the waterstop body, and the second sealing sleeve caps are matched with the second fixing sleeves one by one.

Further, a rubber asphalt layer is filled in the second sealing sleeve cap.

Further, the outer surface of the first fixing portion is provided with a plurality of reinforcing protrusions.

The invention provides an installation method of a pressure separation type water stop, which is used for installing the pressure separation type water stop so as to prevent water leakage of a construction joint; the pressure separation type water stop comprises a plurality of groups of first fixing sleeve groups, a water stop body and a plurality of fasteners; each group of first fixing suit comprises at least two first fixing sleeves which are pre-buried at two sides of the construction joint; the waterstop area body is used for covering the construction joint, and is a plurality of the fastener passes respectively the waterstop area body, and with a plurality of first fixed cover is corresponding to be connected, in order to incite somebody to action the waterstop area body is fixed in first fixed cover.

The installation of the pressure separation type water stop comprises the following steps: when concrete is poured, the first fixing sleeves of the multiple groups of first fixing sleeves are respectively embedded at two sides of a construction joint; after the concrete is cured, covering the waterstop body on the construction joint; and respectively penetrating a plurality of fasteners through the water stop belt body and respectively fastening the fasteners with the first fixing sleeves so as to fix the water stop belt body on the first fixing sleeves.

The embodiment of the invention has the beneficial effects that:

the water stop belt body of the pressure separation type water stop belt is used for covering construction cracks, and the water stop belt body seals the construction cracks through the matching of the plurality of fasteners and the plurality of groups of first fixing sleeves. The pressure separation type water stop belt with the structure is suitable for common deformation joints, structural joints and the like, is more suitable for the condition of separate construction of structures on two sides of a high and large structural construction joint, has a better water stop effect, is convenient to construct, and can greatly reduce the difficulty of pre-buried installation.

The installation method of the pressure separation type water stop provided by the invention is suitable for stopping water on two sides of a common deformation joint, a structural joint or a high and large structural construction joint by adopting the pressure separation type water stop provided by the invention. When concrete is poured, the first fixing sleeves of the multiple groups of first fixing sleeve sets are respectively embedded at two sides of the construction joint, after the concrete is solidified, the water stop belt body covers the construction joint, and then the fasteners respectively penetrate through the water stop belt body and are respectively fastened with the first fixing sleeves. The installation method of the pressure separation type water stop is simple and easy to operate, the water stop effect is good, and the difficulty of pre-buried installation can be greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a pressure separation type water stop according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view of I-I in FIG. 1.

Fig. 3 is a schematic structural view of a first fastening portion of the pressure separation type water stop according to the embodiment of the present invention.

FIG. 4 is a schematic sectional view of II-II in FIG. 1.

An icon: 100-pressure separation type water stop; 101-a first fixation kit; 110-a first fixation sleeve; 112-a first fastening part; 1121-reinforcing protrusions; 114-a first seal; 1141-a rubber ring; 102-a second fixation kit; 120-a second fixation sleeve; 121-a second fastening part; 123-a second seal; 130-a waterstop body; 132-hollow sphere column; 134-water stop body; 136-a first sealing boot cap; 1361-cap body; 1363-layering; 138-a second sealing boot; 1381-a rubber asphalt layer; 140-a fastener; 142-a fastener body; 1421-stop block; 144-a reinforcing elastic member; 146-a sealing ring; 148-sealing plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise specified or limited more specifically, the terms "disposed" and "connected" are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, and features in the following embodiments may be combined with each other without conflict.

Fig. 1 is a schematic structural view of a pressure separation type water stop 100 according to this embodiment. Referring to fig. 1, the pressure separation type water stop 100 provided by the present invention includes a plurality of sets of first fixing sets 101, a plurality of second fixing sets 102, a water stop strip 130 and a plurality of fasteners 140.

FIG. 2 is a schematic cross-sectional view of I-I in FIG. 1. Referring to fig. 1 and fig. 2, in the present embodiment, each set of first fixing sleeves 101 preferably includes two first fixing sleeves 110, and the two first fixing sleeves 110 of each set of first fixing sleeves 101 are pre-embedded on two sides of a construction joint. Each set of second fastening nest 102 includes two second fastening nests 120, and a plurality of second fastening nests 120 are also used to pre-embed on both sides of the construction joint. The waterstop body 130 is used to cover the construction joint. The plurality of fasteners 140 respectively penetrate the water stop strip body 130 and are correspondingly connected to the plurality of first fixing sleeves 110, thereby fixing the water stop strip body 130 to the first fixing sleeves 110. The waterstop body 130 is connected with the second fixing sleeve 120.

In other preferred embodiments, the number of the first fixing sleeves 110 in each group of the first fixing sleeves 101 and the number of the second fixing sleeves 120 in each group of the second fixing sleeves 102 may be varied, for example, three or more, and are distributed on two sides of the construction joint, as long as the sealing-up strip 130 can cover the construction joint and be fixed on the concrete to ensure a good sealing-up effect.

Preferably, in this embodiment, the head and the tail of the water stop band 130 are fixed to the first fixing sleeve 110 by the fastening member 140, so as to achieve a better water stop effect.

With continued reference to fig. 2, the fastener 140 includes a fastener body 142, a reinforced resilient member 144, a sealing ring 146, and a sealing plug 148.

The reinforced elastic member 144 is disposed on the outer periphery of the fastener body 142, and the sealing plug 148 is disposed around the outer periphery of the fastener body 142. One end of the fastener body 142 is provided with a stop block 1421, one end of the reinforced elastic member 144 is connected to the stop block 1421, and the other end is connected to the sealing plug 148. The sealing ring 146 is disposed around the fastener body 142 and selectively abuts between the stopper 1421 and the water stop band 130.

It will be appreciated that the reinforcing resilient member 144 is resiliently deformable in the direction of extension of the fastener body 142 to displace the sealing plug 148 in the direction of extension of the fastener body 142. The sealing ring 146 has a further sealing effect, enhancing the water stopping effect.

It will be appreciated that in other preferred embodiments, the sealing ring 146 may not be provided.

Preferably, in this embodiment, the reinforcing elastic member 144 is a high-strength spring. The fastener body 142 is a bolt having a stopper 1421 provided at one end thereof. The bolt is adapted to threadedly engage the first stationary sleeve 110.

It can be understood that when the water-stop strip body 130 is attached and pressed by pressure, the pressing surface can form a water-stop surface, and the higher the pressure is, the better the water-stop effect is. The fastener body 142 is fastened into the first fixing sleeve 110 and continuously twisted, so that the distance between the limiting block 1421 and the first fixing sleeve 110 is shorter and shorter, the reinforced elastic member 144 is continuously compressed, and the restoring force thereof is continuously enhanced, so that the pressing force between the fastener 140 and the first fixing sleeve 110 is stronger, a larger pressing force can be provided for the water-stop strip body 130, and the water-stop effect is better.

It should be understood that in other preferred embodiments, the reinforced resilient member 144 may be rubber or other resiliently deformable object. The fastener body 142 may be other rods having a fastening function, such as spikes.

Preferably, in this embodiment, the sealing plug 148 is in a truncated cone shape, and the size of the upper bottom surface of the sealing plug 148 is smaller than that of the lower bottom surface thereof, and the upper bottom surface of the sealing plug 148 is used for connecting with the water stop strip body 130.

It can be understood that the sealing plug 148 with such a structure is used for matching with the water stop strip body 130 and the first fixing sleeve 110, so that the fastening is convenient and the sealing effect is good.

It should be noted that in other preferred embodiments, the structure of the fastening member 140 can be changed variously as long as the function of cooperating with the first fixing sleeve 110 to fasten the water stop strip body 130 can be achieved. For example, the fastener 140 includes a fastener body 142 and a reinforced elastic member 144, one end of the reinforced elastic member 144 is connected to one end of the fastener body 142, and the other end of the reinforced elastic member 144 is used to selectively abut against the waterstop body 130. The fastener body 142 may be a bolt, and the reinforcing elastic member 144 may be a high-strength spring.

Fig. 3 is a schematic structural view of the first fastening part 112 of the pressure separation type water stop 100 according to this embodiment. Referring to fig. 2 and 3, the first fixing sleeve 110 includes a first fixing portion 112 and a first sealing portion 114 connected to each other.

Preferably, in the present embodiment, the first fastening portion 112 is internally provided with threads, and the first fastening portion 112 is in threaded engagement with the fastener body 142.

Preferably, in the present embodiment, the outer surface of the first fastening part 112 is provided with a plurality of reinforcing protrusions 1121. A plurality of reinforcing protrusions 1121 are annularly provided on the outer surface of the first fastening part 112 and extend in a direction perpendicular to the first fastening part 112.

It can be appreciated that the plurality of reinforcing protrusions 1121 can increase the contact area of the first fixing sleeve 110 with the concrete, thereby making the fixing more firm when the fastener 140 fixes the waterstop body 130.

In other preferred embodiments, the connection relationship between the first fastening portion 112 and the fastener body 142 can be changed, and the outer surface of the first fastening portion 112 can be provided with a smooth curved surface.

Preferably, in this embodiment, the first sealing portion 114 is in a circular truncated cone shape, the size of the upper bottom surface of the first sealing portion 114 is smaller than the size of the lower bottom surface of the first sealing portion 114, and the upper bottom surface of the first sealing portion 114 is connected to the first fastening portion 112.

In order to further increase the contact area with the concrete for fastening the first fixing sleeve 110, the outer surface of the first sealing portion 114 is replaced with at least one ring of rubber ring 1141. It will be appreciated that in other preferred embodiments, the rubber ring 1141 may not be provided.

It will be appreciated that the first sealing portion 114 is adapted to cooperate with the waterstop strip 130 and the fastener 140.

FIG. 4 is a schematic sectional view of II-II in FIG. 1. Referring to fig. 4, the second fixing sleeve 120 includes a second fixing portion 121 and a second sealing portion 123 connected to each other.

The second fastening part 121 is a solid body, and a plurality of reinforcing protrusions 1121 are also formed on the outer surface of the second fastening part 121.

The second sealing portion 123 has the same structure as the first sealing portion 114, and is not described in detail here.

It will be appreciated that the second harness 120 is adapted to cooperate with the waterstop strip 130 to enhance the fastening force.

Referring to fig. 2 and 4 in combination, in the present embodiment, preferably, the water stop strip body 130 includes a hollow ball 132, a water stop strip body 134, and a plurality of first sealing cap 136 and a plurality of second sealing cap 138. The hollow ball 132 is disposed in the middle of the waterstop body 134 for cooperation with a construction joint. A plurality of first sealing cap sleeves 136 and a plurality of second sealing cap sleeves 138 are arranged on the water stop body 134 at intervals.

It will be appreciated that the hollow sphere post 132 is advantageous for enhancing the sealing effect against cracks.

Preferably, in this embodiment, the plurality of first seal sleeve caps 136 are circular truncated cone-shaped, and the size of the upper bottom surface of the first seal sleeve cap 136 is smaller than the size of the lower bottom surface of the first seal sleeve cap 136. The first sealing cap 136 is a hollow structure for the fastener body 142 to pass through and engage the sealing plug 148 and the first sealing portion 114.

It will be appreciated that the plurality of first sealing cuff caps 136 have the effect of increasing the contact area of the first securing pouch 110, the waterstop strip 130 and the fastener 140, thereby making the seal tighter.

Preferably, in this embodiment, the first sealing cap 136 includes a cap body 1361 and a bead 1363, and the bead 1363 is disposed on an inner wall of the cap body 1361. And the pressing strip 1363 is a galvanized steel pressing strip, and is used for the fastener body 142 to pass through the pressing strip 1363 and be connected with the first fixing sleeve 110.

It will be appreciated that the galvanized steel bead provides a further sealing function.

Preferably, in this embodiment, the plurality of second sealing cap caps 138 and the plurality of first sealing cap caps 136 have the same structural configuration, and are not described herein again. The second sealing sleeve caps 138 are used for being matched with the second fixing sleeves 120, so that the contact area of the second sealing sleeve caps and the water stop belt body 130 is increased, and the sealing effect is enhanced.

Preferably, in this embodiment, a rubber asphalt layer 1381 is further filled in the second sealing cap caps 138 to achieve a better water stopping effect. Preferably, in this embodiment, the rubber asphalt is a non-cured rubber asphalt coating layer.

It should be understood that the second sealing cap 138 and the second securing sleeve 120 on the waterstop 130 may not be designed in other preferred embodiments as long as it is possible to cover and seal the construction joint with the waterstop 130.

It is understood that, in the present embodiment, the plurality of first sealing cap 136 and the plurality of first sealing portion 114 are in one-to-one correspondence; the plurality of sealing plugs 148 are in one-to-one correspondence with the plurality of first sealing cap 136. The plurality of fastener bodies 142 pass through the sealing ring 146 and the plurality of first sealing cap 136, and are connected to the plurality of first fastening portions 112. This kind of three laminar structures, compact structure and sealed effect are good.

In summary, the present embodiment further provides an installation method of the pressure-separation type water stop 100, when the pressure-separation type water stop 100 is installed, firstly, the multiple groups of first fixing sleeves 110 are embedded in both sides of the construction joint during concrete pouring, and the multiple groups of second fixing sleeves 120 are embedded in both sides of the construction joint at intervals.

After the concrete is cured, the waterstop is covered on the construction joint, the first sealing sleeve caps 136 correspond to the first sealing parts 114 in a one-to-one matching mode, the second sealing sleeve caps 138 correspond to the second sealing parts 123 in a one-to-one matching mode, then the fastener bodies 142 of the fasteners 140 respectively penetrate through the sealing rings 146 and the first sealing sleeve caps 136 in sequence and are connected with the first bonding parts 112, the sealing plugs 148 correspond to the first sealing sleeve caps 136 in a one-to-one matching mode and are screwed down, so that the waterstop body 134 is tightly bonded, and a good waterstop effect is guaranteed.

In conclusion, the pressure separation type water stop belt 100 provided by the invention is suitable for common deformation joints, structural joints and the like, is more suitable for the condition of separate construction of structures on two sides of a high and large structural construction joint, has a better water stop effect, is convenient to construct, and can greatly reduce the difficulty of pre-buried installation. The installation method of the pressure separation type water stop 100 is simple and easy to operate, the water stop effect is good, and the difficulty of pre-buried installation can be greatly reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure separation type water stop for preventing water leakage of construction joints is characterized by comprising a plurality of groups of first fixing sleeve groups, a water stop belt body and a plurality of fasteners; each group of first fixing suit comprises at least two first fixing sleeves which are pre-buried at two sides of the construction joint; the water stop belt body is used for covering the construction joint, and the plurality of fasteners penetrate through the water stop belt body respectively and are correspondingly connected with the plurality of first fixing sleeves so as to fix the water stop belt body on the first fixing sleeves;

the fastener comprises a fastener body and a reinforced elastic part, wherein the reinforced elastic part is sleeved on the periphery of the fastener body and can elastically deform along the extension direction of the fastener body; one end of the reinforced elastic part is connected with one end of the fastener body, and the other end of the reinforced elastic part selectively abuts against the water stop belt body;

the water stop belt body comprises a water stop belt body and a plurality of first sealing sleeve caps, and the first sealing sleeve caps are arranged on the water stop belt body;

the fastener also comprises a sealing plug, the sealing plug is annularly arranged on the periphery of the fastener body, one end of the fastener body is provided with a limiting block, one end of the reinforced elastic part is connected with the limiting block, the other end of the reinforced elastic part is connected with the sealing plug, and the sealing plug can move relative to the limiting block through the reinforced elastic part; the other end of the fastener body penetrates through the first sealing sleeve cap and is connected with the first fixing part, and the sealing plugs are matched and corresponding to the first sealing sleeve caps one by one.

2. The pressure-split waterstop of claim 1, wherein the first retaining sleeve comprises a first securing portion and a first sealing portion connected to each other; the first sealing sleeve caps are matched with the first sealing parts one by one; the plurality of fasteners respectively penetrate through the plurality of first sealing sleeve caps and are connected with the plurality of first fixed parts.

3. The pressure split waterstop of claim 2, wherein the first sealing cap comprises a cap body and a bead disposed on an inner wall of the cap body, the fastener further comprises a sealing ring disposed between the bead and the sealing plug, and the fastener body passes through the sealing ring, the bead and the cap body in sequence and is connected to the first anchoring portion.

4. The pressure-separation-type waterstop according to claim 3, wherein the first sealing portion, the first sealing sleeve cap and the sealing plug are in a circular truncated cone shape, an upper bottom surface of the first sealing portion is smaller than a lower bottom surface of the first sealing portion, and the upper bottom surface of the first sealing portion is connected with the first fixing portion.

5. The pressure-split water stop of claim 2, further comprising a plurality of sets of second fastening sleeves, each set of second fastening sleeves comprising at least two second fastening sleeves for pre-embedding on both sides of the construction joint, the plurality of sets of second fastening sleeves being spaced apart from the plurality of sets of first fastening sleeves; the waterstop body further comprises a plurality of second sealing sleeve caps, the second sealing sleeve caps are arranged on the waterstop body, and the second sealing sleeve caps are matched with the second fixing sleeves one by one.

6. The pressure split water stop of claim 5, wherein the second sealing cap is filled with a layer of rubber asphalt.

7. The pressure split waterstop of claim 2, wherein the outer surface of the first fastening portion is provided with a plurality of reinforcing protrusions.

8. A method of installing a pressure separation type water stop, characterized by installing the pressure separation type water stop according to any one of claims 1 to 7 to prevent water leakage at a construction joint; the installation method of the pressure separation type water stop comprises the following steps: when concrete is poured, the first fixing sleeves of the multiple groups of first fixing sleeves are respectively embedded at two sides of a construction joint; after the concrete is cured, covering the waterstop body on the construction joint; and respectively penetrating a plurality of fasteners through the water stop belt body and respectively fastening the fasteners with the first fixing sleeves so as to fix the water stop belt body on the first fixing sleeves.