CN217399740U

CN217399740U - High pressure-bearing water level basement expansion joint composite waterproof structure

Info

Publication number: CN217399740U
Application number: CN202221236952.XU
Authority: CN
Inventors: 朱小林; 顾鹏军; 吴健; 戴政权; 戴成才
Original assignee: Jiangsu Dalongxin Construction Group Co ltd
Current assignee: Jiangsu Dalongxin Construction Group Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-09-09
Anticipated expiration: 2032-05-21

Abstract

The application relates to a high-pressure water level basement expansion joint composite waterproof structure which is applied to the field of basement waterproofing and comprises bottom plates and expansion joints, wherein the bottom plates and the expansion joints are used for forming a basement; the expansion joint comprises an expansion joint body, two elastic protection plates are arranged on the expansion joint body, the two elastic protection plates are arranged at openings on two sides of the expansion joint body in a one-to-one correspondence mode, and a water seepage prevention assembly is arranged in an interval formed by the inner wall of the expansion joint body and the two elastic protection plates in a surrounding mode. This application has the effect that reduces the condition of infiltration because concrete is cracked, is defective and takes place in the expansion joint department of high pressure-bearing water level basement.

Description

High pressure-bearing water level basement expansion joint composite waterproof structure

Technical Field

The application relates to the waterproof field of basement, especially relates to a high pressure-bearing water level basement expansion joint composite water-proof structure.

Background

In recent years, people are more favored to multi-story or high-rise buildings with the increase of population. A multi-storey or high-rise building needs a deeper foundation, and by utilizing the height, a basement is usually built at the bottom floor of the building, so that the use area can be increased, the soil backfilling of a house can be omitted, and the economic effect and the use effect are good. When a basement is built, expansion joints are often arranged in order to improve the condition that the structural members expand with heat and contract with cold to cause cracks or damage to the structure. In addition, because the basement is in special geographical environment, the influence of confined water also needs to be considered. The confined water is the groundwater in the aquifer between two water barriers, and when the confined water level is higher, the requirement on the waterproof and anti-permeability performance of the basement is stricter.

In the related art, an expansion joint is disposed on a bottom plate of a basement. Specifically, a pre-buried groove is reserved between two adjacent bottom plates, the expansion joint is installed in the pre-buried groove, concrete is poured into the pre-buried groove, reinforcing steel bars outside the expansion joint are poured into the concrete, the expansion joint is connected with the bottom plates, and then the concrete is poured into the expansion joint for plugging. However, after the concrete is used for a long time, cracking or defect phenomena are easy to occur, water seepage can occur at the expansion joint of the basement with high pressure-bearing water level, and the maintenance cost after water seepage is high and the difficulty is high.

SUMMERY OF THE UTILITY MODEL

In order to improve the condition that the infiltration appears in the expansion joint department of high pressure water level basement because concrete is cracked open or defective, this application provides a high pressure water level basement expansion joint composite waterproof structure.

The application provides a pair of high pressure-bearing water level basement expansion joint composite waterproof structure adopts following technical scheme:

a composite waterproof structure of an expansion joint of a basement with high pressure-bearing water level comprises bottom plates and expansion joints for forming the basement, wherein a pre-buried groove is formed between every two adjacent bottom plates, the expansion joints are installed in the pre-buried grooves, concrete is poured in the pre-buried grooves, a water-resisting assembly is arranged between each expansion joint and every two adjacent bottom plates, and the water-resisting assembly is arranged on one side of a steel bar of each expansion joint; the expansion joint is characterized in that two elastic protection pieces are arranged on the body of the expansion joint, the two elastic protection pieces are correspondingly arranged at openings on two sides of the expansion joint body one by one, and water seepage prevention assemblies are arranged in an interval formed by the encircling of the inner wall of the expansion joint body and the two elastic protection pieces.

By adopting the technical scheme, after the concrete poured between the expansion joint and the two adjacent bottom plates is cracked, the water-resisting component can play a role in resisting water, so that the possibility that water seeps into the basement from the cracked position of the concrete is reduced; the elasticity screening glass can seal the opening of expansion joint body both sides, encloses with the inner wall of expansion joint body when the water-stop and establishes the interval that has been used for holding prevention of seepage water subassembly, and the elasticity screening glass plays the effect of supporting and protecting to prevention of seepage water subassembly, and prevention of seepage water subassembly is used for the inside water of separation infiltration expansion joint body, reduces the possibility that water continues to the inside infiltration of basement.

Optionally, the waterproof assembly includes a waterproof plate and a flexible isolation layer, and the flexible isolation layer is wrapped outside the waterproof plate; the water-resisting component is connected with the bottom plate through a first connecting piece, and is connected with the body of the expansion joint through a second connecting piece.

Through adopting above-mentioned technical scheme, waterproof board and flexible isolation layer all have the function of waterproof water proof, and when the concrete of pouring produced the crack between expansion joint and the bottom plate, the water that permeates from crack department received the dual separation of flexible isolation layer and waterproof board, has reduced the possibility of seeping into the basement inside. The first connecting piece is used for connecting the water-resisting component and the bottom plate, the second connecting piece is used for connecting the body of the water-resisting component and the expansion joint, and under the combined action of the first connecting piece and the second connecting piece, the water-resisting component is stably installed between the expansion joint and the bottom plate and is not easy to shift or fall off along with the expansion and contraction of the expansion joint to influence the water-resisting effect.

Optionally, the flexible isolation layer is made of a polyurethane waterproof material, and a first waterproof coating is coated outside the flexible isolation layer.

Through adopting above-mentioned technical scheme, the flexible isolation layer by polyurethane waterproof material has waterproof nature and elasticity, and when the expansion joint was flexible, elastic deformation can take place for the flexible isolation layer, cushions the pulling force or the pressure at expansion joint to reduce the cracked possibility of inside waterproof board atress. The first waterproof coating coated outside the flexible isolation layer enhances the waterproof and seepage-proof effects.

Optionally, a first mounting groove is formed in the side wall, close to the expansion joint, of the bottom plate, a second mounting groove is formed in the side wall, close to the bottom plate, of the body of the expansion joint, and the groove widths of the first mounting groove and the second mounting groove are gradually reduced towards the direction of the groove opening; the first connecting piece is arranged on the first lug at one end of the flexible isolation layer, the first lug is clamped into the first mounting groove in an adaptive mode, the second connecting piece is arranged on the second lug at the other end of the flexible isolation layer in an adaptive mode, and the second lug is clamped into the second mounting groove in an adaptive mode.

Through adopting above-mentioned technical scheme, first mounting groove is used for holding first lug, and first lug card inlays in first mounting groove, links to each other water proof subassembly and bottom plate. The second mounting groove is used for accommodating a second bump, and the second bump is clamped and embedded in the second mounting groove to connect the water-resisting component with the expansion joint body. When the expansion joint stretches out and draws back, the first lug is abutted with the groove wall of the first mounting groove, and the second lug is abutted with the groove wall of the second mounting groove, so that the situation that the water-resisting effect is influenced due to falling or displacement of the water-resisting component after being stressed can be reduced.

Optionally, the elasticity screening glass is the elasticity screening glass who is made by super-elasticity titanium nickel alloy, the opening part of expansion joint body is equipped with the inlay groove, the elasticity screening glass inlays to be located in the inlay groove, just the elasticity screening glass pass through countersunk head bolt with the body of expansion joint links to each other.

Through adopting above-mentioned technical scheme, the inlay groove is used for holding the elasticity screening glass, and countersunk bolt can fix the elasticity screening glass on the body at expansion joint, makes the elasticity screening glass be in the position of sealing the opening part of expansion joint body all the time, and elasticity screening glass offset when reducing the expansion joint and stretching out and drawing back leads to the opening part of expansion joint body not sealed tight, produce the gap and the condition of infiltration.

Optionally, prevention of seepage water subassembly includes waterproofing membrane, waterstop and diatomaceous earth, waterproofing membrane bond in on the elastic protection piece, the waterstop is located waterproofing membrane keeps away from one side of elastic protection piece, just the waterstop with link to each other through the inflation screw between the expansion joint body, diatomaceous earth fill in waterproofing membrane with between the inner wall of expansion joint body.

By adopting the technical scheme, the waterproof coiled material has water resistance, is not easy to damage after being soaked by water, still has water impermeability even under the action of pressure water, and can block water permeating into the elastic protective sheet; the expansion screw is used for fixing the water stop on the inner wall of the expansion joint body, the water stop has the property of expanding after absorbing water, and when water seeps to the position of the water stop, the water stop absorbs water to expand so as to fill the seeped gap to play a role in plugging; the diatomite has strong water absorption, and can improve the damp condition of basement environment caused by the permeation of water vapor to the basement.

Optionally, the waterproof roll is densely distributed with corrugated depressions on one side facing the elastic protection sheet.

Through adopting above-mentioned technical scheme, the ripple on the waterproofing membrane is sunken to have increased the coating area of glue, makes waterproofing membrane bond on the elastic protection piece more firmly.

Optionally, sealing gaskets are arranged on two end faces of the expansion joint body, and second waterproof coatings are coated on the sealing gaskets.

Through adopting above-mentioned technical scheme, add and establish the sealing pad after, reduced the diatomaceous earth of expansion joint body intussuseption and flowed from the both ends of expansion joint body, influenced the condition of dampproofing effect. The second waterproof coating coated on the sealing gasket also has the function of water insulation, and the possibility that water permeates into the expansion joint body from the two ends of the expansion joint body is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the concrete poured between the expansion joint and the two adjacent bottom plates is cracked, the water-resisting component can play a role of resisting water, and the possibility that water seeps into the interior of the basement from the concrete crack is reduced; the elastic protection sheet can seal openings on two sides of the expansion joint body, an interval for containing the water seepage prevention assembly is formed by enclosing the elastic protection sheet and the inner wall of the expansion joint body while resisting water, and the water seepage prevention assembly is used for preventing water seeping into the expansion joint body and reducing the possibility that the water continuously seeps into the basement;

2. the waterproof plate and the flexible isolation layer have the waterproof and waterproof functions, when concrete poured between the expansion joint and the bottom plate is cracked, water permeating from the crack is blocked by the flexible isolation layer and the waterproof plate, and the possibility of permeating into the basement is reduced;

3. the waterproof roll has water resistance, is not easy to damage after being soaked by water, still has water impermeability even under the action of pressure water, and can block water permeating into the elastic protection sheet; the water stop has the property of expanding after absorbing water, and when water seeps to the position of the water stop, the water stop absorbs water to expand so as to fill up the seeped gap and play a role in plugging; the diatomite has strong water absorption, and can improve the damp condition of basement environment caused by the permeation of water vapor to the basement.

Drawings

FIG. 1 is a cross-sectional view of basement expansion joint composite waterproof structure in this application embodiment.

Fig. 2 is the top view of basement expansion joint composite waterproof structure in this application embodiment.

Reference numerals: 1. a base plate; 11. a first mounting groove; 2. pre-burying a groove; 3. an expansion joint; 31. a second mounting groove; 32. embedding a groove; 4. concrete; 5. a water isolation assembly; 51. a waterproof sheet; 52. a flexible barrier layer; 521. a first water-resistant coating; 6. a first bump; 7. a second bump; 8. an elastic protection sheet; 9. a water seepage prevention assembly; 91. waterproof coiled materials; 911. corrugation is sunken; 92. a water stop; 93. diatomaceous earth; 10. a countersunk bolt; 12. a gasket; 14. and (4) expanding the screw.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses high pressure-bearing water level basement expansion joint composite waterproof structure. Referring to fig. 1, the composite waterproof structure for the expansion joint of the basement with high pressure-bearing water level comprises a bottom plate 1 of the basement, the expansion joint 3, a water-stop component 5, an elastic protection sheet 8 and a water seepage prevention component 9. Wherein, the expansion joint 3 comprises the reinforcing bar of 3 bodies in expansion joint and 3 body both sides in expansion joint, be equipped with the embedded groove 2 that is used for holding expansion joint 3 between two adjacent bottom plates 1, water proof subassembly 5 installs in one side of reinforcing bar to link to each other with the body and the bottom plate 1 of expansion joint 3 simultaneously, can pour concrete 4 in embedded groove 2 after the installation water proof subassembly 5, during concrete 4 was all pour into to the reinforcing bar of water proof subassembly 5 and expansion joint 3, realized linking to each other expansion joint 3 with bottom plate 1. When the concrete 4 cracks or is damaged after long-term use, the water-stop assembly 5 can prevent water from penetrating into the basement from the crack or the defect.

Referring to fig. 1, the expansion joint 3 has openings on both sides, and the openings need to be closed to reduce the possibility of water permeating from the openings to the interior of the basement. The two elastic protection sheets 8 in the embodiment of the application can be in one-to-one correspondence to seal the openings at the two sides of the expansion joint 3 body, and can enclose an interval formed by the two elastic protection sheets and the inner wall of the expansion joint 3 body and used for accommodating the water seepage prevention assembly 9. When water seeps into the expansion joint 3 body, the water seepage prevention assembly 9 can play a water-resisting and waterproof role, and the possibility that water continuously seeps from the inside of the expansion joint 3 body to the inside of the basement is reduced.

Referring to fig. 1, specifically, the water-stop assembly 5 is composed of a waterproof sheet 51 and a flexible isolation layer 52, the flexible isolation layer 52 is coated on the outer side of the waterproof sheet 51, and the waterproof sheet 51 and the flexible isolation layer 52 are adhered to each other. The water-resisting component 5 is connected with the bottom plate 1 through the first connecting piece and connected with the expansion joint 3 body through the second connecting piece, and under the combined action of the first connecting piece and the second connecting piece, the water-resisting component 5 is stably installed between the expansion joint 3 and the bottom plate 1, so that the possibility that the water-resisting effect is influenced due to the fact that the water-resisting component 5 is pulled or is deflected after being pressed is reduced. The waterproof sheet 51 is an impermeable material made of a high molecular polymer as a basic raw material, can be used for preventing liquid leakage, and is widely applied to the fields of buildings, traffic and the like. The waterproof board 51 has better strength and wear resistance besides seepage resistance, can reinforce the concrete 4 structure poured between the expansion joint 3 and the bottom board 1 to play a role in cracking prevention and reinforcement, and can play a role in water isolation after the concrete 4 structure generates cracks, so that the possibility that water permeates into the interior of the basement from the cracks is reduced.

Referring to fig. 1, the flexible insulation layer 52 is made of a polyurethane waterproof material, and protects the waterproof sheet 51. The polyurethane material has certain elasticity, when the expansion joint 3 is expanded or contracted, the flexible isolation layer 52 can be elastically deformed when being pulled or pressed, and the pulling force or the pressure of the expansion joint 3 is buffered, so that the possibility that the waterproof plate 51 inside is broken due to stress is reduced. In addition, the first waterproof coating 521 is coated outside the flexible isolation layer 52, and the first waterproof coating 521 is a compact waterproof layer coated by high-elasticity waterproof paint, has the characteristics of seepage prevention and moisture prevention, and enhances the seepage prevention effect of the waterproof assembly 5; the waterproof structure also has durability and high elasticity, so that the waterproof assembly 5 can adapt to the change of climate, is durable, and reduces the damage of the waterproof assembly 5.

Referring to fig. 1, a first installation groove 11 is formed on the side wall of the bottom plate 1 close to the expansion joint 3, and a second installation groove 31 is formed on the side wall of the body of the expansion joint 3 close to the bottom plate 1. The first mounting groove 11 and the second mounting groove 31 are both provided along the length direction of the expansion joint 3, and particularly, the groove widths of the first mounting groove 11 and the second mounting groove 31 are both gradually reduced toward the respective groove openings. The first connecting piece is a first convex block 6 arranged at one end of the flexible isolation layer 52 close to the bottom plate 1, the second connecting piece is a second convex block 7 arranged at one end of the flexible isolation layer 52 close to the expansion joint 3 body, and the first convex block 6 and the second convex block 7 are integrally formed with the flexible isolation layer 52. The first convex block 6 is embedded in the first mounting groove 11, the water-resisting component 5 is connected with the bottom plate 1, the second convex block 7 is embedded in the second mounting groove 31, the water-resisting component 5 is connected with the body of the expansion joint 3, and therefore the water-resisting component 5 can be stably mounted between the expansion joint 3 and the bottom plate 1.

Referring to fig. 1, the insertion grooves 32 are formed at both sides of the expansion joint 3, and the insertion grooves 32 are formed along the length direction of the expansion joint 3. The elastic protection piece 8 is installed in the embedding groove 32, so the openings on two sides of the expansion joint 3 body can be sealed by the two elastic protection pieces 8, and the elastic protection piece 8 is fixed on the expansion joint 3 body by the countersunk head bolt 10 so as to reduce the gap generated after the elastic protection piece 8 is deviated, so that water seeps into the expansion joint 3 body and further seeps into the basement. In particular, the elastic protection sheet 8 is made of super-elastic titanium-nickel alloy, has super-high elasticity, can be elastically deformed when the expansion joint 3 is extruded by the bottom plate 1, and reduces the influence on the function of the expansion joint 3 while closing the opening on the expansion joint 3 body.

Referring to fig. 1, the water seepage prevention assembly 9 is installed in an interval formed by the two elastic protection sheets 8 and the inner wall of the expansion joint 3 body, and the two elastic protection sheets 8 can protect the water seepage prevention assembly 9. The water stop assembly 9 includes a waterproofing roll 91, a water stop 92, and diatomaceous earth 93. Specifically, the waterproofing membrane 91 is a waterproofing product made by dipping asphalt on the carcass, in this embodiment, the sheet-shaped waterproofing membrane 91 is cut and adhered to each other, two waterproofing membranes 91 with a certain thickness are stacked and adhered to the elastic protection plates 8 on both sides, specifically, the corrugated depressions 911 are densely distributed on one side of the waterproofing membrane 91 facing the elastic protection plates 8, and the corrugated depressions 911 can increase the glue coating area, so as to adhere the waterproofing membrane 91 to the elastic protection plates 8 more firmly.

Referring to fig. 1 and 2, a water stop 92 is provided between two waterproof rolls 91. The water stop 92 is made of a rubber material capable of absorbing water and expanding, and when water seeps through the elastic protection sheet 8, the water stop 92 absorbs water and expands to block the gap at the water seepage position so as to block the water from further permeating into the basement. The water stop 92 is connected with the expansion joint 3 body through the expansion screw 14, the position of the water stop 92 can be fixed, and the possibility that the plugging effect is influenced after the water stop 92 is displaced is reduced. In addition, the diatomite 93 is filled in the gap between the waterproof roll 91 and the inner wall of the expansion joint 3 body, has extremely strong water absorption, and can improve the condition that the basement environment is wet due to the permeation of water vapor to the basement. In order to reduce the possibility that the diatomite 93 scatters from the two ends of the expansion joint 3 body and affects the damp-proof effect, the sealing gaskets 12 are bonded on the two end surfaces of the expansion joint 3 body, the sealing gaskets 12 are coated with a second waterproof coating, and the second waterproof coating is also made of a high-elasticity waterproof coating, so that the possibility that water permeates into the expansion joint 3 body from the two ends of the expansion joint 3 body can be reduced.

The implementation principle of the composite waterproof structure of the expansion joint of the basement with the high pressure-bearing water level is as follows: after the concrete 4 poured between the expansion joint 3 and the two adjacent bottom plates 1 is cracked, the water-resisting component 5 can play a role in resisting water, so that the possibility that water seeps into the basement from the cracked part of the concrete 4 is reduced; elasticity screening glass 8 can seal the opening in expansion joint 3 body both sides, encloses with the inner wall of expansion joint 3 body when the water-stop and establishes the interval that has been used for holding prevention of seepage water subassembly 9, and elasticity screening glass 8 plays the effect of supporting and protecting to prevention of seepage water subassembly 9, and prevention of seepage water subassembly 9 is used for the inside water of separation infiltration expansion joint 3 body, reduces the possibility that water continues to the inside infiltration of basement.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high pressure-bearing water level basement expansion joint composite water-proof structure, is equipped with buried groove (2) in advance between two adjacent bottom plates (1) including bottom plate (1) and expansion joint (3) that are used for constituting the basement, and expansion joint (3) are installed in buried groove (2) in advance, and pour concrete (4), its characterized in that in buried groove (2): a water-resisting component (5) is arranged between each expansion joint (3) and each two adjacent bottom plates (1), and the water-resisting component (5) is arranged on one side of a steel bar of each expansion joint (3); be equipped with two elasticity screening glass (8) on the body of expansion joint (3), two elasticity screening glass (8) one-to-one install in the both sides opening part of expansion joint (3) body, the inner wall and two of expansion joint (3) body elasticity screening glass (8) enclose to establish and are equipped with prevention of seepage water subassembly (9) in the interval that forms.

2. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 1, is characterized in that: the waterproof assembly (5) comprises a waterproof plate (51) and a flexible isolation layer (52), and the flexible isolation layer (52) is coated on the outer side of the waterproof plate (51); the water-resisting component (5) is connected with the bottom plate (1) through a first connecting piece, and the water-resisting component (5) is connected with the body of the expansion joint (3) through a second connecting piece.

3. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 2, is characterized in that: the flexible isolation layer (52) is made of polyurethane waterproof materials, and a first waterproof coating (521) is coated outside the flexible isolation layer (52).

4. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 2, is characterized in that: a first mounting groove (11) is formed in the side wall, close to the expansion joint (3), of the bottom plate (1), a second mounting groove (31) is formed in the side wall, close to the bottom plate (1), of the body of the expansion joint (3), and the groove widths of the first mounting groove (11) and the second mounting groove (31) are gradually reduced towards the direction of the groove opening; the first connecting piece is a first protruding block (6) arranged at one end of the flexible isolation layer (52), the first protruding block (6) is clamped into the first mounting groove (11), the second connecting piece is a second protruding block (7) arranged at the other end of the flexible isolation layer (52), and the second protruding block (7) is clamped into the second mounting groove (31).

5. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 1, is characterized in that: elasticity protection sheet (8) are the elasticity protection sheet of making by the super-elasticity titanium nickel alloy, the opening part of expansion joint (3) body is equipped with inlay groove (32), elasticity protection sheet (8) inlay and locate in inlay groove (32), just elasticity protection sheet (8) through countersunk head bolt (10) with the body of expansion joint (3) links to each other.

6. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 1, is characterized in that: prevention of seepage water subassembly (9) includes waterproofing membrane (91), waterstop (92) and diatomaceous earth (93), waterproofing membrane (91) bond in on elastic protection piece (8), waterstop (92) are located waterproofing membrane (91) is kept away from one side of elastic protection piece (8), just waterstop (92) with link to each other through inflation screw (14) between expansion joint (3) the body, diatomaceous earth (93) fill in waterproofing membrane (91) with between the inner wall of expansion joint (3) the body.

7. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 6, is characterized in that: one side of the waterproof coiled material (91) facing the elastic protection sheet (8) is densely distributed with corrugated depressions (911).

8. The composite waterproof structure for the expansion joint of the basement with the high pressure-bearing water level as claimed in claim 1, is characterized in that: and sealing gaskets (12) are arranged on two end faces of the expansion joint (3) body, and second waterproof coatings are coated on the sealing gaskets (12).