CN219011201U - Novel waterproof node structure and waterproof system of pressure type prestressed anchor rod - Google Patents

Abstract

The utility model relates to the technical field of waterproof nodes, in particular to a novel waterproof node structure and a waterproof system of a pressure type prestress anchor rod; novel waterproof node structure of pressure type prestressing force stock includes: the anchor rod body is pre-buried in an underground structure, and the underground structure comprises a waterproof layer; the steel strands are arranged in the anchor rod body and extend out of the underground structure; the pipe body is sleeved on the steel strand and inserted into the anchor rod body, and a water stopping structure is arranged in the pipe body; and the water stop plate is arranged on the outer wall of the pipe body. The pipe body is sleeved on the outer ring of the steel stranded wire, the pipe body is inserted into the anchor rod body, connection between the pipe body and the anchor rod body is effectively achieved, and the water stop structure arranged in the pipe body and the water stop plate arranged on the outer wall of the pipe body further play a role in water stop, so that groundwater is prevented from penetrating through the bottom plate of the garage foundation, entering the basement and being convenient for later maintenance.

Description

Novel waterproof node structure and waterproof system of pressure type prestressed anchor rod

Technical Field

The utility model relates to the technical field of waterproof nodes, in particular to a novel waterproof node structure and a waterproof system of a pressure type prestress anchor rod.

Background

The anti-floating anchor rod is one kind of anti-floating measure for underground structure in building engineering. The anti-floating anchor rod refers to a structural member which is arranged against the upward displacement of a building on the anti-floating anchor rod, and is related to the height and the change condition of the underground water level and is opposite to the stress direction of the anti-floating pile.

In the foundation construction of an engineering underground garage, a plurality of anti-floating anchor rods are often required to be arranged, and the quality control of the waterproof construction of the joint position of the anti-floating anchor rods is extremely important when the foundation slab of the underground garage is constructed. The permanent anchor rods are arranged in a full-red mode under the anti-floating bottom plate, and each anchor rod body needs to penetrate through the anti-floating bottom plate and is equivalent to a plurality of holes formed in the anti-floating bottom plate, so that the anti-floating anchor rods are quite high in waterproof requirement on the bottom plate, and can be arranged in the situation that waterproof treatment is poor. However, "water" is a non-porous material, particularly groundwater, which can be difficult or even impossible to repair once it penetrates through the floor into the basement.

Disclosure of Invention

Therefore, the utility model aims to solve the technical problem of poor waterproof node effect in the prior art, and further provides a novel waterproof node structure and a waterproof system of the pressure type prestressed anchor rod.

In order to solve the technical problems, the utility model provides a novel waterproof node structure of a pressure type prestress anchor rod, which comprises the following components: the anchor rod body is pre-buried in an underground structure, and the underground structure comprises a waterproof layer; the steel strands are arranged in the anchor rod body and extend out of the underground structure; the pipe body is sleeved on the steel strand and inserted into the anchor rod body, and a water stopping structure is arranged in the pipe body; and the water stop plate is arranged on the outer wall of the pipe body.

Further, the water stopping structure includes: the expansion water stop strip is arranged in the pipe body and corresponds to the arrangement position of the water stop plate; cement mortar, which is arranged on the expansion water stop strip; and the asphalt waterproof ointment is arranged on the cement mortar and is used for sealing the pipe body.

Further, the underground structure is characterized by further comprising a rubber water stop ring, wherein the rubber water stop ring is arranged on the exposed steel twisted wire and is positioned at the position of the underground structure, which is close to the ground.

Further, the subsurface structure comprises: the foundation soil is provided with a concrete cushion layer, and the waterproof layer is arranged on the concrete cushion layer; and the concrete protection layer is arranged on the waterproof layer, and an anti-floating bottom plate is arranged on the concrete protection layer.

Further, the waterproof layer wraps the anchor rod body and the pipe body and extends to the water stop plate.

Further, the waterproof layer is made of self-adhesive polymer modified asphalt waterproof coiled materials.

Further, the anti-floating bottom plate is paved by adopting impervious concrete.

Further, the pipe body fixing device also comprises a positioning bracket, wherein the positioning bracket is arranged in the underground structure and is used for fixing the pipe body.

Further, the anti-floating floor further comprises a fixing piece which is arranged on the steel twisted wire and is positioned on the upper surface or above the anti-floating floor.

The utility model provides a novel waterproof system of a pressure type pre-stress anchor rod, which comprises a novel waterproof node structure of the pressure type pre-stress anchor rod.

The technical scheme of the utility model has the following advantages: 1. the utility model provides a novel waterproof node structure of a pressure type prestress anchor rod, which comprises the following components: the anchor rod body is pre-buried in an underground structure, and the underground structure comprises a waterproof layer; the steel strands are arranged in the anchor rod body and extend out of the underground structure; the pipe body is sleeved on the steel strand and inserted into the anchor rod body, and a water stopping structure is arranged in the pipe body; and the water stop plate is arranged on the outer wall of the pipe body.

The anchor rod body is embedded in the underground structure, the waterproof layer is arranged in the underground structure, the waterproof can be effectively carried out, a plurality of steel strands are arranged in the anchor rod body, and the steel strands extend to the ground and can be connected with other structures. Simultaneously, the body is established to the cover on the outer lane of steel strand wires, and the body is inserted in the stock internally, the effectual connection that has realized between body and the stock body to the stagnant water structure that sets up in the body, the stagnant water board that sets up on the body outer wall, further play the stagnant water effect, avoid groundwater to see through the bottom plate of garage basis, get into the basement, the maintenance of later stage of being convenient for.

2. The utility model provides a novel waterproof node structure of a pressure type prestress anchor rod, which comprises an expansion water stop strip, cement mortar and asphalt waterproof ointment; wherein,,

the expansion water stop strip is arranged in the pipe body and corresponds to the arrangement position of the water stop plate; the expansion water stop strip can expand when meeting water, namely groundwater meets the expansion water stop strip and is stopped by the expansion

And (5) absorbing by water strips. Cement mortar is arranged on the expansion water stop strip; the cement mortar is arranged above the expansion water stop strip, so that the expansion water stop strip can be effectively plugged, and water which cannot be absorbed by the expansion water stop strip is prevented from overflowing from the cement mortar. And the asphalt waterproof ointment is arranged on the cement mortar and is used for sealing the pipe body. Utilize pitch waterproof oleamen, this pitch waterproof oleamen places groundwater and overflows from the underground structure, further has played the stagnant water effect, avoids groundwater to see through the bottom plate of garage basis, gets into the basement, the maintenance of later stage of being convenient for.

3. The novel waterproof node structure of the pressure type prestress anchor rod further comprises a rubber water stop ring, wherein the rubber water stop ring is arranged on a bare steel twisted wire and is arranged at a position, close to the ground, of the underground structure. The rubber water stop ring arranged on the exposed steel strand can perform water stop treatment on each steel strand, so that groundwater is prevented from penetrating along the length direction of the steel strand.

The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a novel waterproof node structure of a pressure type prestressed anchor provided by the utility model;

fig. 2 is a schematic structural view of a pipe body of the novel waterproof node structure of the pressure type prestress anchor rod.

Reference numerals illustrate:

1. an anchor body; 2. an underground structure; 21. foundation soil; 22. a concrete cushion layer; 23. a waterproof layer; 24. a concrete protective layer; 25. an anti-floating bottom plate; 3. steel strand; 4. a tube body; 5. a water stopping structure; 51. expansion water stop strips; 52. cement mortar; 53. asphalt waterproof ointment; 6. a water stop plate; 7. a rubber water stop ring; 8. a positioning bracket; 9. and a fixing piece.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or communicable with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.

In this disclosure, unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the disclosure. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Furthermore, the present disclosure may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present disclosure are described below in conjunction with the accompanying drawings, it being understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present disclosure.

Referring to fig. 1 to 2, the present utility model provides a novel waterproof node structure of a pressure type prestressed anchor, comprising: the anchor rod body 1 is pre-buried in the underground structure 2, and the underground structure 2 comprises a waterproof layer 23; the steel stranded wires 3 are arranged in the anchor rod body 1, and the steel stranded wires 3 extend out of the underground structure 2; the pipe body 4 is sleeved on the steel strand 3 and is inserted into the anchor rod body 1, and a water stopping structure is arranged in the pipe body 4; and the water stop plate is arranged on the outer wall of the pipe body 4.

The anchor rod body 1 is embedded in the underground structure 2, and the waterproof layer 23 is arranged in the underground structure 2, so that the waterproof can be effectively performed, a plurality of steel strands 3 are arranged in the anchor rod body 1, and the steel strands 3 extend to the ground and can be connected with other structures. Simultaneously, the body 4 is established to the cover on the outer lane of steel strand wires 3, and body 4 inserts in body of anchor 1, effectually has realized being connected between body of anchor 4 and the body of anchor 1 to the stagnant water structure that sets up inside body of anchor 4, the stagnant water board that sets up on the body of anchor 4 outer wall, further play the stagnant water effect, avoid groundwater to see through the bottom plate of garage basis, get into the basement, the later maintenance of being convenient for.

Wherein, set up the anchor hole in underground structure 2, the manual work is slip casting to the anchor hole to form the stock body 1.

In some alternative embodiments, the water stop structure comprises an expansion water stop strip, cement mortar and asphalt waterproof ointment; the expansion water stop strips are arranged in the pipe body 4 and correspond to the arrangement positions of the water stop plates; the thickness of the expansion water stop strip is 80mm, and the expansion water stop strip can expand when meeting water, namely groundwater meets the expansion water stop strip and is absorbed by the expansion water stop strip.

Cement mortar is arranged on the expansion water stop strip; the cement mortar is arranged above the expansion water stop strip, so that the expansion water stop strip can be effectively plugged, and water which cannot be absorbed by the expansion water stop strip is prevented from overflowing from the cement mortar.

And asphalt waterproof ointment is arranged on the cement mortar and is used for sealing the pipe body 4. Utilize pitch waterproof oleamen, this pitch waterproof oleamen places groundwater and overflows from underground structure 2, further has played the stagnant water effect, avoids groundwater to see through the bottom plate of garage basis, gets into the basement, the maintenance of later stage of being convenient for.

In some alternative embodiments, the novel waterproof node structure of the pressure type prestress anchor rod further comprises a rubber water stop ring, wherein the rubber water stop ring is arranged on the exposed steel strand 3 and is positioned at the position of the underground structure 2 close to the ground. The rubber water stop ring arranged on the exposed steel stranded wires 3 can perform water stop treatment on each steel stranded wire 3, so that groundwater is prevented from penetrating along the length direction of the steel stranded wires 3.

In some alternative embodiments, the subsurface structure 2 includes foundation soil 21, concrete bedding 22, waterproof layer 23, concrete protection layer 24, and anti-floating floor 25; wherein, the foundation soil 21 is provided with a concrete cushion layer 22, and a waterproof layer 23 is arranged on the concrete cushion layer 22; and a concrete protection layer 24 arranged on the waterproof layer 23, and an anti-floating bottom plate 25 arranged on the concrete protection layer 24. The underground structure 2 formed by the foundation soil 21, the concrete cushion layer 22, the waterproof layer 23, the concrete protection layer 24 and the anti-floating floor 25 can have obvious effects.

In this embodiment, the concrete cushion layer 22 is made of a concrete cushion layer 22 of C15 plain concrete with a thickness of 100 mm; the concrete protective layer 24 is made of a C15 fine stone concrete protective layer 24 with the thickness of 50 mm; the anti-floating bottom plate 25 is paved by impervious concrete.

The waterproof layer 23 is made of self-adhesive polymer modified asphalt waterproof coiled materials. The self-adhesive polymer modified asphalt waterproof coiled material has excellent cohesiveness, and ensures the continuity and the tightness of coiled material lap joints; meanwhile, the construction quality is easy to ensure, and the high waterproof requirement can be met; the anti-aging heat-resistant water heater has the advantages of high and low temperature resistance, aging resistance and long service life; the construction can be performed at normal temperature, has extremely high penetration resistance and impact resistance, has high construction speed and high work efficiency, and can ensure the construction period; the construction can be directly performed on concrete, so that a traditional cement mortar leveling layer is saved, and engineering cost is saved; no damage to constructors and environment, no potential safety hazard, health and environmental protection.

In some alternative embodiments, the waterproof layer 23 wraps the anchor body 1 and the pipe body 4, and extends to the water stop plate. The underground structure 2 with the anchor rod body 1 is arranged, the waterproof layer 23 in the underground structure 2 wraps the anchor rod body 1 and the pipe body 4, and the waterproof layer 23 is arranged at the joint of the anchor rod body 1 and the pipe body 4, so that underground water can be effectively prevented from penetrating upwards along the anchor rod body 1 and the pipe body 4.

In some alternative embodiments, the novel waterproof node structure of the pressure type prestress anchor rod further comprises a positioning bracket, wherein the positioning bracket is arranged in the underground structure 2, and the positioning bracket is used for fixing the pipe body 4. In particular, the positioning bracket may be a rebar pre-buried within the underground structure 2.

In some alternative embodiments, the novel waterproof node structure of the pressure type prestressed anchor further comprises a fixing piece 9, wherein the fixing piece 9 is arranged on the steel strand 3 and is positioned on or above the upper surface of the anti-floating bottom plate 25. The fixing piece 9 is mainly used for fixing a plurality of steel strands 3 and avoiding random movement of the plurality of steel strands 3.

The specific manufacturing method of the novel waterproof node structure of the pressure type prestress anchor rod comprises the following steps: a waterproof layer 23 is arranged on the concrete cushion layer 22, namely a self-adhesive polymer modified asphalt waterproof coiled material is arranged, the coiled material is coiled up to a welding seam between the pipe body 4 and the lower surface of the water stop plate, and a C15 fine stone concrete protective layer 24 with the thickness of 50mm is poured on the upper part of the waterproof layer 23;

after grouting of the anchor rod body 1 and manual bottom cleaning are completed, a pipe body 4 with the diameter phi 75 is adopted, wherein the length of the pipe body 4 is 550mm, the wall thickness is 4.5mm, the 150mm of the lower part of the pipe body 4 is inserted into an anchor hole from the bottom of the concrete cushion layer 22, and the 400mm of the upper part of the pipe body is left in the concrete cushion layer 22 and the anti-floating bottom plate 25;

a water stop plate is arranged at the position 150mm down from the top of the phi 75 pipe body 4, the diameter of the water stop plate is 376mm, a round hole with the diameter of 76mm is cut in the middle to insert the phi 75 pipe body 4, the outer diameter of the outer wall of the pipe body 4 is ensured to be not less than 150mm, and double sides are welded at the position 150mm down from the top of the phi 75 pipe body 4, and the double sides are welded to ensure no water seepage;

the welding part of the phi 75 pipe body 4 and the water stop plate is tightly stuck to the welding lines on the upper side and the lower side to wind water expansion water stop strips and is firmly bound;

before the anti-floating bottom plate 25 is poured, cement mortar is poured into the phi 75 pipe body 4 to a position 50mm below the water stop plate;

after the cement mortar in the pipe body 4 is initially set, water-swelling water stop strips are adopted to annularly fill the pipe body 4, the filling thickness is not less than 50mm, then cement mortar is adopted to pour the pipe body to a position 50mm below the top of the pipe body 4, asphalt waterproof ointment with the thickness of 30mm is poured into the upper part of the pipe body 4 for sealing, and a gap of 20mm is reserved at the uppermost part of the pipe body 4;

locally stripping the outer skin of the steel strand 3 at the stretching end part of the steel strand 3, sleeving each bundle of steel strand 3 into a water-swelling water-stop sleeve ring, and binding firmly;

and integrally pouring a gap of 20mm reserved at the top end of the phi 75 pipe body 4 and the foundation anti-floating bottom plate 25 to form an integral body of the pipe body 4 and the foundation bottom plate.

The utility model also provides a novel waterproof system of the pressure type pre-stress anchor rod, which comprises the novel waterproof node structure of the pressure type pre-stress anchor rod.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. Novel waterproof node structure of pressure type prestressing force stock, its characterized in that includes:

the anchor rod body (1) is pre-buried in the underground structure (2), and the underground structure (2) comprises a waterproof layer (23);

the steel strands (3) are arranged in the anchor rod body (1) and extend out of the underground structure (2);

the pipe body (4) is sleeved on the steel strand (3) and inserted into the anchor rod body (1), and a water stopping structure (5) is arranged in the pipe body (4);

and the water stop plate (6) is arranged on the outer wall of the pipe body (4).

2. A novel waterproof node structure of a pressure type prestressed anchor according to claim 1, characterized in that the water stopping structure (5) comprises:

an expansion water stop strip (51) which is arranged in the pipe body (4) and corresponds to the arrangement position of the water stop plate (6);

cement mortar (52) arranged on the expansion water stop strip (51);

the asphalt waterproof ointment (53) is arranged on the cement mortar (52), and the asphalt waterproof ointment (53) is used for sealing the pipe body (4).

3. The novel waterproof node structure of the pressure type prestress anchor rod according to claim 2, further comprising a rubber water stop ring (7), wherein the rubber water stop ring (7) is arranged on the exposed steel strand (3) and is arranged at a position of the underground structure (2) close to the ground.

4. A novel waterproof node structure of a pressure type pre-stressed anchor as claimed in any one of claims 1 to 3, wherein the underground structure (2) comprises:

the foundation soil (21), the foundation soil (21) is provided with a concrete cushion layer (22), and the waterproof layer (23) is arranged on the concrete cushion layer (22);

and the concrete protection layer (24) is arranged on the waterproof layer (23), and an anti-floating bottom plate (25) is arranged on the concrete protection layer (24).

5. A novel waterproof joint structure of a pressure type prestressed anchor according to claim 4, characterized in that a waterproof layer (23) wraps the anchor body (1) and the pipe body (4) and extends to the water stop plate (6).

6. The novel waterproof node structure of the pressure type prestressed anchor according to claim 4, wherein the waterproof layer (23) is made of a self-adhesive polymer modified asphalt waterproof coiled material.

7. A novel waterproof node structure of a pressure type prestressed anchor according to claim 4, wherein the anti-floating bottom plate (25) is paved by impervious concrete.

8. A novel waterproof node structure of a pressure type pre-stressed anchor as claimed in any one of claims 5 to 7, and further comprising a positioning bracket (8), wherein the positioning bracket (8) is arranged in the underground structure (2), and the positioning bracket (8) is used for fixing the pipe body (4).

9. The novel waterproof node structure of the pressure type prestress anchor rod according to claim 8, further comprising a fixing piece (9), wherein the fixing piece (9) is arranged on the steel strand (3) and is positioned on the upper surface or above the anti-floating bottom plate (25).

10. A novel waterproof system of a pressure type pre-stressed anchor rod, which is characterized by comprising the novel waterproof node structure of the pressure type pre-stressed anchor rod as claimed in any one of claims 1 to 9.

Images