Underground waterproof engineering water stop structure

Abstract

The utility model discloses a water stop structure for underground waterproof engineering, which relates to the technical field of waterproof engineering and comprises an underground diaphragm wall, a concrete bottom plate and a copper sheet water stop piece, an expansion joint is reserved between the underground diaphragm wall and the concrete bottom plate, and a water stop piece mounting groove is dug on one side of the underground diaphragm wall facing the concrete bottom plate; the copper sheet water stop piece comprises a first water stop piece, a second water stop piece, a third water stop piece, a fourth water stop piece, a sealing plate, an upper flow guide plate and a lower flow guide plate; the first water stop piece and the second water stop piece are each of a U-shaped structure, and an opening of the first water stop piece faces a concrete bottom plate. The third water stop piece is in a plate shape. The first water stop piece and the third water stop piece are arranged above the two sides of the second water stop piece respectively, and the first water stop piece, the second water stop piece and the third water stop piece are integrally formed. And the good water stopping effect is kept to the maximum extent, the good water stopping effect is achieved, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproof engineering technical field, concretely is a kind of underground waterproof engineering water stop structure. BACKGROUND

[0002] Underground waterproof engineering refers to the waterproof design, waterproof construction and maintenance management of various technical works of industrial and civil building underground engineering, protective engineering, tunnel and underground railway, etc.;Waterproof engineering is a systematic project, which involves engineering waterproof materials, waterproof design, waterproof construction and building management, etc.;Its purpose is to ensure that buildings are not eroded by water, and the internal space is not harmed and the building use function, service life, etc. are improved. There are many types of such devices on the market today, which can basically meet people's use requirements, but there are still some problems: the existing underground waterproof engineering water stop structure is not strong enough in sealing, which can easily affect the water stop effect. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of underground waterproof engineering water stop structure, the mechanism maximizes the good nature of water stop effect, so that it has good water stop effect, improves practicality.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of underground waterproof engineering water stop structure, including underground continuous wall, concrete bottom plate and copper sheet water stop piece, there is expansion joint between the underground continuous wall and concrete bottom plate, the side of underground continuous wall towards concrete bottom plate is carved with water stop piece installation groove;The copper sheet water stop piece includes first water stop piece, second water stop piece, third water stop piece, fourth water stop piece, sealing plate, upper flow guide plate, lower flow guide plate;The first water stop piece and second water stop piece are both U-shaped structure and the opening of the first water stop piece faces concrete bottom plate;The third water stop piece is plate-shaped;The first water stop piece and third water stop piece are respectively arranged above the two sides of second water stop piece, and the first water stop piece, second water stop piece, third water stop piece are integrally formed;The top of fourth water stop piece is arc-shaped, the bottom of fourth water stop piece is arranged on the top of first water stop piece, and the sealing plate is vertically arranged at one end of the opening of first water stop piece;The upper flow guide plate and lower flow guide plate are both right-angled triangle shape;Two right-angle edges of the upper flow guide plate are respectively fixedly connected with the top of fourth water stop piece and first water stop piece, and the upper flow guide plate is located on the side of fourth water stop piece towards concrete bottom plate;Two right-angle edges of the lower flow guide plate are respectively fixedly connected with the top in the first water stop piece and sealing plate, and the lower flow guide plate is located on the side of sealing plate towards concrete bottom plate;

[0005] The water stop installation groove comprises a first installation groove matched with a first water stop and a second installation groove matched with a fourth water stop, and the first water stop and the fourth water stop are arranged in the first installation groove and the second installation groove respectively; the top and the bottom of the first water stop are both provided with expansion screws, one end of the expansion screws is screwed through the first water stop and extends into the underground continuous wall; a pouring cavity is formed between the first water stop and a sealing plate, and an epoxy mortar layer is arranged in the pouring cavity; and the third water stop is arranged in the concrete bottom plate.

[0006] In order to prevent liquid water such as underground water and rainwater and gaseous water such as water vapor from penetrating into the interior of a building, preferably, the inner wall of the first installation groove is provided with a waterproof layer.

[0007] In order to improve the waterproof effect, preferably, the waterproof layer comprises a waterproof additional layer, a waterproof pressing strip layer and a waterproof protective layer, and the waterproof additional layer and the waterproof protective layer are fixed to the water stop installation groove and the first water stop through epoxy glue on the other sides thereof.

[0008] In order to improve the water stopping effect of the third water stop, preferably, the top of the third water stop is provided with a water stopping protruding block in a semicircular spherical structure, and the water stopping protruding block is arranged in the concrete bottom plate.

[0009] In order to improve the support strength of the inner wall of the first water stop, preferably, the pouring cavity is provided with staggered reinforcing ribs arranged obliquely.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The top of the fourth water stop is in an arc shape, the water stopping effect is maximized, water seepage into the water stop installation groove is avoided through the fourth water stop and the upper flow guide plate, the lower flow guide plate guides the water on the upper flow guide plate, the sealing property of the protection mechanism is improved, water leakage is avoided, the water stopping effect is improved, the utility model has good water stopping effect and improved practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model;

[0013] Fig. 2 It is a sectional structure schematic view of the waterproof layer of the utility model;

[0014] Fig. 3 It is a sectional structure schematic view of the copper sheet water stop of the utility model.

[0015] Fig. 1, underground continuous wall; 2, concrete bottom plate; 3, first water stop; 4, second water stop; 5, third water stop; 6, fourth water stop; 7, sealing plate; 8, upper flow guide plate; 9, lower flow guide plate; 10, first installation slot; 11, second installation slot; 12, expansion screw; 13, pouring cavity; 14, epoxy mortar layer; 15, waterproof layer; 16, waterproof additional layer; 17, waterproof batten layer; 18, waterproof protective layer; 19, water stop bump; 20, reinforcing bar. DETAILED DESCRIPTION

[0016] Please refer to Figs. 1 to 3 A water stop structure for underground waterproof engineering, comprising an underground continuous wall 1, a concrete bottom plate 2, and a copper sheet water stop, a expansion joint is left between the underground continuous wall 1 and the concrete bottom plate 2, and a water stop installation slot is excavated on the side of the underground continuous wall 1 facing the concrete bottom plate 2; the copper sheet water stop comprises a first water stop 3, a second water stop 4, a third water stop 5, a fourth water stop 6, a sealing plate 7, an upper flow guide plate 8, and a lower flow guide plate 9; the first water stop 3 and the second water stop 4 are both in U-shaped structure, and the opening of the first water stop 3 faces the concrete bottom plate 2; the third water stop 5 is in plate shape; the first water stop 3 and the third water stop 5 are respectively arranged above the two sides of the second water stop 4, and the first water stop 3, the second water stop 4, and the third water stop 5 are integrally formed; the top of the fourth water stop 6 is in arc shape, the bottom of the fourth water stop 6 is arranged on the top of the first water stop 3, and the sealing plate 7 is vertically arranged on one end of the opening of the first water stop 3; the upper flow guide plate 8 and the lower flow guide plate 9 are both in right triangle shape; the two right angle edges of the upper flow guide plate 8 are respectively fixedly connected with the top of the fourth water stop 6 and the first water stop 3, and the upper flow guide plate 8 is located on the side of the fourth water stop 6 facing the concrete bottom plate 2; the two right angle edges of the lower flow guide plate 9 are respectively fixedly connected with the top inside the first water stop 3 and the sealing plate 7, and the lower flow guide plate 9 is located on the side of the sealing plate 7 facing the concrete bottom plate 2.

[0017] The water stop installation slot comprises a first installation slot 10 matched with the first water stop 3 and a second installation slot 11 matched with the fourth water stop 6, and the first water stop 3 and the fourth water stop 6 are respectively arranged in the first installation slot 10 and the second installation slot 11; the top and the bottom inside the first water stop 3 are both provided with an expansion screw 12, and one end of the expansion screw 12 is screwed through the first water stop 3 and extends into the underground continuous wall 1; a pouring cavity 13 is formed between the first water stop 3 and the sealing plate 7, and an epoxy mortar layer 14 is arranged inside the pouring cavity 13; the third water stop 5 is arranged in the concrete bottom plate 2.

[0018] In the embodiment, the first water stop 3 and the fourth water stop 6 are arranged in the first installation slot 10 and the second installation slot 11 respectively and are fixed by using the expansion screw 12, so that the copper sheet water stop is not easy to fall out of the water stop installation slot, the installation stability of the copper sheet water stop in the water stop installation slot is increased, the sealing plate 7 plays a sealing role on the epoxy mortar layer 14 in the first water stop 3 and plays a water stopping role, and water is prevented from entering the pouring cavity 13; the epoxy mortar layer 14 is poured in the pouring cavity 13, the epoxy mortar layer 14 enhances the compression resistance and impact resistance of the first water stop 3, prolongs the service life of the first water stop 3, improves the sealing property of the protection mechanism, so that the water leakage phenomenon is avoided and the water stopping effect is improved; the fourth water stop 6 and the upper flow guide plate 8 both play a flow guiding role, the top of the fourth water stop 6 is in an arc shape, plays a water stopping role, and maximizes the good property of the water stopping effect; and water seepage into the water stop installation slot is avoided by the fourth water stop 6 and the upper flow guide plate 8, the lower flow guide plate 9 plays a flow guiding role on water on the upper flow guide plate 8, and water is directly led into the second water stop 4 through the sealing plate 7, the second water stop 4 plays a flow guiding role on water; the water stopping effect is good, and the practicability is improved.

[0019] As a technical optimization scheme of the utility model, the inner wall of the first installation slot 10 is provided with a waterproof layer 15.

[0020] The waterproof layer 15 comprises a waterproof additional layer 16, a waterproof pressing strip layer 17 and a waterproof protection layer 18, and the other side of the waterproof additional layer 16 and the waterproof protection layer 18 is fixed with the water stop installation slot and the first water stop 3 through epoxy glue respectively.

[0021] In the embodiment, the waterproof layer 15 can prevent liquid water such as underground water and rainwater and gaseous water such as water vapor from penetrating into the building interior, avoid structural damage and safety hazards caused by water erosion; the waterproof additional layer 16 can prevent water penetration and invasion, and the waterproof additional layer 16 is formed by brushing waterproof paint, generally needs to be brushed 3-5 times, and the solidified thickness of each brushing should not be less than 1 millimeter; the waterproof pressing strip layer 17 can enhance the stability and durability of the waterproof additional layer 16; and the waterproof protection layer 18 can effectively prevent water penetration and protect the building structure from being damaged by moisture and water.

[0022] As a technical optimization scheme of the utility model, the top of the third water stop 5 is provided with a water stopping protruding block 19 in a semicircle ball structure, and the water stopping protruding block 19 is located in the concrete bottom plate 2.

[0023] In the embodiment, the water stopping protruding block 19 also plays a water stopping role and avoids water from entering the concrete bottom plate 2.

[0024] As a technical optimization scheme of the utility model, the pouring cavity 13 is internally provided with the staggered distribution of reinforcing ribs 20.

[0025] In this embodiment: through the reinforcing rib 20, further enhance the support strength of the first water stop 3.

[0026] Working principle: first, the first water stop 3 and the fourth water stop 6 are arranged in the first installation groove 10 and the second installation groove 11 respectively, and fixed by using the expansion screw 12, so that the copper sheet water stop is not easy to fall out of the water stop installation groove, and the installation stability of the copper sheet water stop in the water stop installation groove is increased; the sealing plate 7 plays a sealing role on the epoxy mortar layer 14 in the first water stop 3, and also plays a water stopping role, which prevents water from entering the pouring cavity 13; the epoxy mortar layer 14 is poured in the pouring cavity 13, which enhances the compression resistance and impact resistance of the first water stop 3, and prolongs the service life of the first water stop 3; the fourth water stop 6 and the upper flow guide plate 8 both play a flow guiding role, and the top of the fourth water stop 6 is arc-shaped, which plays a water stopping role; and water seepage into the water stop installation groove can be avoided through the fourth water stop 6 and the upper flow guide plate 8; the lower flow guide plate 9 plays a flow guiding role on the water on the upper flow guide plate 8, and the water can directly enter the second water stop 4 through the sealing plate 7, which plays a flow guiding role on the water.

[0027] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A water-stop structure for an underground waterproofing project, comprising an underground continuous wall (1), a concrete base plate (2) and a copper sheet water-stop member, wherein an expansion joint is left between the underground continuous wall (1) and the concrete base plate (2), and a water-stop member installation groove is excavated on one side of the underground continuous wall (1) facing the concrete base plate (2); characterized in that: The copper sheet water stop comprises a first water stop (3), a second water stop (4), a third water stop (5), a fourth water stop (6), a sealing plate (7), an upper guide plate (8), and a lower guide plate (9); the first water stop (3) and the second water stop (4) are both U-shaped structures, and the opening of the first water stop (3) faces the concrete bottom plate (2); the third water stop (5) is plate-shaped; the first water stop (3) and the third water stop (5) are respectively arranged above both sides of the second water stop (4), and the first water stop (3), the second water stop (4), and the third water stop (5) are integrally formed; the top of the fourth water stop (6) is arc-shaped, and the fourth The bottom of the water stop (6) is arranged on the top of the first water stop (3), and the sealing plate (7) is vertically arranged on the open end of the first water stop (3); the upper guide plate (8) and the lower guide plate (9) are both in the shape of a right triangle; the two right-angled sides of the upper guide plate (8) are fixedly connected to the top of the fourth water stop (6) and the first water stop (3), and the upper guide plate (8) is located on the side of the fourth water stop (6) facing the concrete bottom plate (2); the two right-angled sides of the lower guide plate (9) are fixedly connected to the top of the inside of the first water stop (3) and the sealing plate (7), and the lower guide plate (9) is located on the side of the sealing plate (7) facing the concrete bottom plate (2); The water stop member installation groove includes a first installation groove (10) adapted to the first water stop member (3) and a second installation groove (11) adapted to the fourth water stop member (6), the first water stop member (3) and the fourth water stop member (6) are respectively arranged in the first installation groove (10) and the second installation groove (11); the top and bottom of the interior of the first water stop member (3) are both provided with expansion screws (12), and one end of the expansion screw (12) is threadedly passed through the first water stop member (3) and extends into the underground continuous wall (1); a casting cavity (13) is formed between the first water stop member (3) and the sealing plate (7), and an epoxy mortar layer (14) is provided inside the casting cavity (13); the third water stop member (5) is arranged in the concrete base plate (2).

2. The water-stopping structure for underground waterproof engineering according to claim 1, characterized in that: A waterproof layer (15) is provided on the inner wall of the first installation groove (10).

3. The water-stopping structure for underground waterproof engineering according to claim 2, characterized in that: The waterproof layer (15) comprises a waterproof additional layer (16), a waterproof layering layer (17), and a waterproof protective layer (18). The other sides of the waterproof additional layer (16) and the waterproof protective layer (18) are fixed to the water stop installation groove and the first water stop (3) respectively by epoxy glue.

4. The water-stopping structure for underground waterproof engineering according to claim 1, characterized in that: A water-stopping protrusion (19) having a semi-spherical structure is provided on the top of the third water-stopping member (5), and the water-stopping protrusion (19) is located inside the concrete bottom plate (2).

5. The underground waterproof engineering water-stopping structure according to claim 1, characterized in that: Staggered reinforcement ribs (20) are arranged obliquely inside the casting cavity (13).

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