CN213653804U - Construction joint waterproof construction - Google Patents

Abstract

The application relates to a construction joint waterproof structure, which comprises a concrete layer, wherein the concrete layer comprises a first pouring section, a second pouring section and a construction joint positioned at the joint of the first pouring section and the second pouring section; the two opposite side walls of the first pouring section and the second pouring section are provided with reserved grooves, water stop strips are arranged in the reserved grooves, and adhesives are filled between the circumferential outer side walls of the water stop strips and the circumferential side walls of the reserved grooves; the lateral wall that concrete layer is on a parallel with length direction has set firmly waterproofing membrane, and concrete layer deviates from waterproofing membrane has set firmly the waterproof board on the lateral wall. This application has reached the effect that effectively improves construction joint waterproof construction ability.

Description

Construction joint waterproof construction

Technical Field

The application relates to the field of building construction, especially, relate to a construction joint waterproof construction.

Background

At present, in the process of pouring concrete, sectional pouring is needed due to design requirements or construction requirements, and construction joints are formed between the concrete poured firstly and then due to the sectional pouring; the construction joint is formed because the initial setting time of the first poured concrete is longer than the initial setting time, so that a joint surface exists between the first poured concrete and the later poured concrete, and the joint surface is called as the construction joint; construction joints often require waterproofing to reduce the likelihood of water leakage from the construction joint.

The existing indoor construction joint waterproof treatment generally comprises the following steps: and (3) arranging a reserved groove on the side wall of each of the two pouring sections which is opposite to each other, cleaning the surfaces of the reserved groove and the pouring sections, brushing an adhesive on the circumferential side wall of the reserved groove, and adhering a water stop strip with the bottom coated with the adhesive into the reserved groove to finish the waterproof treatment of the indoor construction joint.

In view of the above-mentioned related art, the inventor believes that there is a defect that the waterproof effect of the waterproof structure of the construction joint is not good.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that construction joint waterproof construction water-proof effects becomes low, this application provides a construction joint waterproof construction.

The application provides a construction joint waterproof construction adopts following technical scheme:

a construction joint waterproof structure comprises a concrete layer, wherein the concrete layer comprises a first pouring section, a second pouring section and a construction joint positioned at the joint of the first pouring section and the second pouring section; the two opposite side walls of the first pouring section and the second pouring section are provided with reserved grooves, water stop strips are arranged in the reserved grooves, and adhesives are filled between the circumferential outer side walls of the water stop strips and the circumferential side walls of the reserved grooves; waterproofing membrane has set firmly on concrete layer length direction's the lateral wall, and concrete layer has set firmly the waterproof board on deviating from waterproofing membrane's the lateral wall.

By adopting the technical scheme, the waterproof coiled material can primarily block water, and meanwhile, the arrangement of the waterproof coiled material increases the connection stability between the first pouring section and the second pouring section; if part of water enters the construction joint through the waterproof coiled material, the water stop strip expands after meeting water and effectively blocks the water entering the construction joint; if part of water still permeates through the water stop strip, the arrangement of the waterproof plate can further prevent the water from entering the room; the setting of waterproofing membrane has improved the life of sealing rod and waterproof board to finally effectively improved the water-proof effects of construction joint waterproof construction.

Optionally, a leveling layer is fixedly arranged on the side wall of the waterproof plate, which is far away from the concrete layer.

Through adopting above-mentioned technical scheme, leveling layer surface is smooth level to effectively improved construction joint waterproof construction's whole pleasing to the eye degree.

Optionally, the side wall of the concrete layer facing the waterproof roll is provided with a plurality of bonding grooves, and the top ends of the bonding grooves are flush with the concrete layer and the upper surface of the waterproof roll; reinforcing grooves are formed in the side walls, opposite to each other, of the waterproof plate and the leveling layer, and the top ends of the reinforcing grooves are flush with the upper surfaces of the waterproof plate and the leveling layer in height; the adhesive is also filled in the adhesive groove and the reinforcing groove.

By adopting the technical scheme, the contact area between the concrete layer and the adhesive is increased by the arrangement of the bonding grooves, so that the connection stability between the concrete layer and the waterproof roll is further improved; the arrangement of the reinforcing groove increases the contact area between the waterproof board and the leveling layer, so that the connection stability between the waterproof board and the leveling layer is further improved; meanwhile, the arrangement of the top ends of the bonding groove and the reinforcing groove provides convenience for filling of the bonding agent.

Optionally, the waterproof board is provided with a plurality of reinforcing bolts facing the side wall of the leveling layer, and one ends of the reinforcing bolts penetrate through the waterproof board and are in threaded connection with the concrete layer.

Through adopting above-mentioned technical scheme, screw up each reinforcement bolt, compress tightly the waterproof board on the lateral wall that the concrete layer just right the waterproof board to improve the connection stability between waterproof board and concrete layer.

Optionally, two mutually opposite embedded blocks are fixedly arranged on the mutually opposite side walls of the first pouring section and the second pouring section, fixing grooves are formed in the mutually opposite side walls of the embedded blocks, and openings of the fixing grooves face the waterproof plate; a fixed ring plate is arranged in the fixed groove, openings on two sides of the fixed ring plate face or depart from the waterproof plate respectively, a sponge plate is fixedly arranged on the circumferential inner side wall of the fixed ring plate, and the sponge plate is right opposite to the side wall of the waterproof plate and is abutted against the waterproof plate; and a fixing component for fixing and limiting the fixing ring plate is arranged between the fixing groove and the fixing ring plate.

By adopting the technical scheme, if part of water penetrates through the water stop strip, the sponge plate can effectively absorb the water penetrating through the water stop strip; the fixing component fixes the sponge plate by clamping the fixing ring plate, so that the sponge plate can stably exert the water absorption effect.

Optionally, the two opposite side walls of the fixing groove are symmetrically provided with limiting grooves, the fixing assembly comprises limiting springs fixedly arranged on the two opposite side walls of the limiting grooves, limiting blocks fixedly arranged at ends of the limiting springs, which are far away from the limiting grooves, and telescopic rods arranged in the limiting springs and used for limiting the telescopic directions of the limiting springs; offer on two lateral walls of fixed ring board direction of height and supply the stopper to slide male spread groove, when spacing spring was in the micro-compression state, the stopper was located spacing groove and spread groove simultaneously, and the stopper just corresponds circumference lateral wall top tightly to the circumference lateral wall and the spread groove of spread groove.

By adopting the technical scheme, the limiting spring and the telescopic rod are compressed, the fixed ring plate and the sponge plate are inserted into the fixed groove along the height direction of the fixed groove, when the bottom end of the fixed ring plate is flush with the bottom end of the concrete layer, the limiting spring rebounds, so that one end, opposite to the connecting groove, of the limiting block is inserted into the connecting groove in a sliding mode, the limiting spring is in a micro-compression state, and the limiting block is located in the connecting groove and the limiting groove at the same time; one side of the limiting block is tightly propped in the connecting groove, so that the connecting stability of the fixed ring plate and the concrete layer is effectively improved, and the sponge plate can more stably exert the water absorption effect; the setting of telescopic link has effectively restricted spacing spring's flexible direction to improve the stopper and slide the stability of pegging graft to the spread groove in.

Optionally, the upper surface of the limiting block is arranged in an inclined manner, and the end, away from the limiting spring, of the upper surface of the limiting block is the bottom end.

Through adopting above-mentioned technical scheme, when the fixed ring board slides along fixed slot length direction and inserts, when the bottom of fixed ring board contacted the stopper upper surface, the inclined plane that the fixed ring board can follow the stopper moved down, made spacing spring receive the compression automatically simultaneously, the setting up of inclined plane provides convenience for inserting of fixed ring board, has effectively saved the manpower simultaneously.

Optionally, a connecting pipe is arranged on one side of the leveling layer, which is far away from the waterproof board, and one end of the connecting pipe, which is far away from the leveling layer, penetrates through the waterproof board and is tightly propped against one side, which is opposite to the waterproof board, of the sponge board; the connecting pipe intussuseption is filled with and meets water color-changing agent, and the connecting pipe deviates from the one end and the leveling layer coplane of sponge board, and the one end that the connecting pipe deviates from the sponge board is transparent setting.

By adopting the technical scheme, if part of water sequentially penetrates through the waterproof coiled material and the water stop strip and is absorbed by the sponge plate, the water absorbed by the sponge plate enters the connecting pipe, and the color-changing agent changes color when meeting water in the connecting pipe, so that the indoor people are warned and reminded, and remedial measures are taken in time; the connecting pipe deviates from the transparent arrangement of one end of the sponge plate, and convenience is provided for observation of indoor people.

Optionally, the connecting pipe is the slope setting, and the one end that the connecting pipe deviates from the sponge board is the bottom.

By adopting the technical scheme, if part of water is absorbed by the sponge plate and enters the connecting pipe from the sponge plate, the connection pipe is inclined to provide convenience for water to enter the connecting pipe; meanwhile, the inclined arrangement of the connecting pipe accelerates the flow rate of water entering the connecting pipe, so that indoor people can know the water leakage condition more quickly.

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

1. the waterproof coiled material can be used for primary waterproofing, and if part of water penetrates through the waterproof coiled material, the water stop strip can effectively block the part of water; if part of water still permeates through the water stop strip, the waterproof plate can effectively block the water stop strip; the waterproof coiled material, the water stop strip and the waterproof plate are guaranteed in three layers, so that the waterproof capability of the waterproof structure of the construction joint is effectively improved;

2. the sponge plate can effectively absorb moisture penetrating through the water stop strip, and meanwhile, the connecting pipe, the water-encountering color-changing agent filled in the connecting pipe and the transparent arrangement of one end of the connecting pipe far away from the sponge plate provide convenience for timely knowing the water leakage condition indoors; in addition, the inclined arrangement of the connecting pipe accelerates the early warning speed, so that people in the room can make remedial measures in time;

3. the setting in bonding groove and reinforcement groove to and the setting of fixed subassembly, all effectively improved the connection stability at corresponding position.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a sectional view showing the connection of the parts;

FIG. 3 is a partial cross-sectional view showing the securing assembly;

fig. 4 is a partial sectional view showing the direction of the connecting pipe.

Description of reference numerals: 1. a concrete layer; 11. constructing a joint; 12. firstly, pouring a section; 121. reserving a groove; 122. an adhesive; 13. a rear pouring section; 131. pre-burying blocks; 1311. fixing grooves; 1312. a limiting groove; 2. a water stop bar; 3. waterproof coiled materials; 31. a bonding groove; 4. a waterproof sheet; 41. reinforcing the bolt; 5. a leveling layer; 51. a reinforcing groove; 6. a stationary ring plate; 61. a sponge plate; 62. connecting grooves; 7. a fixing assembly; 71. a limiting spring; 72. a limiting block; 73. a telescopic rod; 8. an early warning component; 81. a connecting pipe; 82. a water-color-changing agent.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses construction joint waterproof construction.

Referring to fig. 1, a construction joint waterproof structure includes a concrete layer 1, a waterproofing membrane 3 fixedly disposed on a side wall of the concrete layer 1 in a length direction, a waterproof board 4 fixedly disposed on a side of the concrete layer 1 away from the waterproofing membrane 3, and a leveling layer 5 fixedly disposed on a side wall of the waterproof board 4 away from the concrete layer 1, wherein the concrete layer 1 includes a first casting section 12, a second casting section 13, and a construction joint 11 located between the first casting section 12 and the second casting section 13, and the waterproof board 4 is a PVC board; the side walls of the first pouring section 12 and the second pouring section 13 which are opposite to each other are symmetrically provided with reserved grooves 121, and the heights of the top ends and the bottom ends of the reserved grooves 121 are respectively flush with the heights of the top ends and the bottom ends of the concrete layers 1; a water stop bar 2 is fixedly arranged in the preformed groove 121, and an adhesive 122 is filled between the preformed groove 121 and the water stop bar 2; one side of the waterproof coiled material 3, which is far away from the concrete layer 1, is opposite to the outside, the waterproof coiled material 3 can effectively block outdoor water, and meanwhile, the arrangement of the waterproof coiled material 3 increases the connection stability between the first pouring section 12 and the second pouring section 13; if part of water penetrates through the waterproof coiled material 3 and enters from the construction joint 11, the water stop strip 2 can effectively block the water entering the construction joint 11; if part of water still permeates the water stop strip 2, the waterproof board 4 can effectively block the part of water; the three-layer waterproof treatment of the water stop strip 2, the waterproof coiled material 3 and the waterproof plate 4 effectively improves the waterproof capability of the waterproof structure of the construction joint; meanwhile, the arrangement of the waterproof plate 4 also effectively improves the connection stability between the first pouring section 12 and the second pouring section 13; one side of the leveling layer 5 departing from the waterproof plate 4 is opposite to the indoor, and the surface of the leveling layer 5 is smooth, so that the indoor attractiveness is effectively improved.

Referring to fig. 1 and 2, a plurality of bonding grooves 31 are symmetrically formed in the side walls of the concrete layer 1 opposite to the waterproof roll 3, and the top ends of the bonding grooves 31 are flush with the waterproof roll 3 and the top end of the concrete layer 1; the side walls of the leveling layer 5, which are opposite to the waterproof plate 4, are symmetrically provided with a plurality of reinforcing grooves 51, the top ends of the reinforcing grooves 51 are flush with the top ends of the waterproof plate 4 and the leveling layer 5, and the adhesive 122 is also filled in the reinforcing grooves 51 and the bonding grooves 31; the arrangement of the bonding groove 31 increases the bonding and fixing area between the waterproof roll 3 and the concrete layer 1, so that the connection relationship between the waterproof roll 3 and the concrete layer 1 is more stable; the arrangement of the reinforcing groove 51 increases the bonding and fixing area between the waterproof board 4 and the leveling layer 5, so that the connection relationship between the waterproof board 4 and the leveling layer 5 is more stable; meanwhile, the height of the top ends of the bonding groove 31 and the reinforcing groove 51 is set, so that convenience is provided for pouring the bonding agent 122.

Referring to fig. 1 and 2, a plurality of reinforcing bolts 41 are arranged on one side of the waterproof plate 4, which is far away from the concrete layer 1, and the reinforcing bolts 41 penetrate through the waterproof plate 4 and are in threaded connection with the concrete layer 1; the arrangement of the reinforcing bolt 41 further improves the stability of the connection relationship between the waterproof board 4 and the concrete layer 1, so that the waterproof board 4 can more stably exert the waterproof effect.

Referring to fig. 2 and 3, the side walls of the first casting section 12 and the second casting section 13, which are opposite to each other, are symmetrically provided with embedded blocks 131, the side walls of the embedded blocks 131, which are opposite to the waterproof board 4, are fixed to the waterproof board 4, fixing grooves 1311 are formed in the two side walls of the embedded blocks 131, which are opposite to each other, and openings of the fixing grooves 1311 face the waterproof board 4; a fixed ring plate 6 is arranged in the fixed groove 1311, and the opening of the fixed ring plate 6 faces the waterproof plate 4; the top end and the bottom end of the fixed ring plate 6 are respectively flush with the top end and the bottom end of the concrete layer 1, and openings on two sides of the fixed ring plate 6 face or depart from the waterproof plate 4; a sponge plate 61 is fixedly arranged on the circumferential inner side wall of the fixed ring plate 6, the side wall of the sponge plate 61, which is over against the waterproof plate 4, is abutted against the waterproof plate 4, and an early warning assembly 8 which is convenient for indoor water leakage observation is arranged on one side of the sponge plate 61, which is over against the waterproof plate 4; the fixed ring plate 6 is inserted into the fixed groove 1311 in a sliding manner along the height direction of the fixed groove 1311, the two outer side walls of the fixed ring plate 6 in the vertical direction are symmetrically provided with connecting grooves 62, the mutually opposite side walls of the fixed groove 1311 are provided with limiting grooves 1312, the connecting grooves 62 and the limiting grooves 1312 are mutually communicated, and a fixing assembly 7 for fixing and clamping the fixed ring plate 6 is arranged between the connecting grooves 62 and the limiting grooves 1312; the fixing ring plate 6 and the sponge plate 61 fixing groove 1311 are inserted in a sliding mode in the length direction, and the fixing assembly 7 fixes the sponge plate 61 through fixing the fixing ring plate 6; if some water permeates the sealing strip 2, the sponge board 61 can temporarily absorb water, and meanwhile, the sponge board 61 can transmit a water leakage signal to indoor people in advance through the early warning assembly 8 to provide buffering time, so that the indoor people can take water leakage measures in advance.

Referring to fig. 2 and 3, the fixing assembly 7 includes a limiting block 72 slidably connected in the limiting groove 1312, a limiting spring 71 fixedly disposed between two opposite side walls of the limiting block 72 and the limiting groove 1312, and an expansion link 73 disposed in the limiting spring 71, wherein two ends of the expansion link 73 are respectively fixed on two opposite side walls of the limiting block 72 and the limiting groove 1312; when the limiting spring 71 is in a micro-compression state, the limiting block 72 is simultaneously positioned in the limiting groove 1312 and the connecting groove 62; the upper surface of the limiting block 72 is obliquely arranged, and one end of the upper surface of the limiting block 72, which is far away from the limiting spring 71, is a bottom end; the fixed ring plate 6 is inserted into the fixed groove 1311 along the height direction of the fixed groove 1311, when the bottom wall of the fixed ring plate 6 contacts the upper surface of the stopper 72, the bottom wall of the fixed ring plate 6 pushes the stopper 72 into the stopper groove 1312 along the inclined surface of the stopper 72, and at this time, the stopper spring 71 is in a compressed state; when the bottom end of the fixed ring plate 6 is flush with the bottom end of the concrete layer 1, the limiting spring 71 rebounds to enable the limiting block 72 to slide towards the direction close to the connecting groove 62, and finally the limiting block 72 is tightly pressed against the circumferential side wall of the connecting groove 62 and the connecting groove 62, at the moment, the limiting spring 71 is in a micro-compression state, and the limiting block 72 is simultaneously positioned in the limiting groove 1312 and the connecting groove 62; the telescopic rod 73 can effectively limit the telescopic direction of the limiting spring 71 so as to improve the stability of the limiting block 72 inserted into the connecting groove 62; the tight state of top between stopper 72 and spread groove 62 to and the little compressed state of spacing spring 71 all make the relation of connection between retaining ring board 6 and concrete layer 1 more stable, thereby make sponge board 61 can more stable performance its efficiency of absorbing water.

Referring to fig. 2 and 4, the warning assembly 8 includes a connecting tube 81 having one end abutting against the sponge board 61 on the side facing the waterproof board 4, and a water-color-changing agent 82 filled in the connecting tube 81, wherein the water-color-changing agent 82 is anhydrous copper sulfate; the connecting pipe 81 is obliquely arranged, and one end of the connecting pipe 81 far away from the sponge plate 61 is a bottom end; the bottom end of the connecting pipe 81 is coplanar with one side of the leveling layer 5 departing from the waterproof board 4, and one end of the connecting pipe 81 departing from the sponge board 61 is transparent; when the inside of the connecting pipe 81 is in a dry state, anhydrous copper sulfate is white; if some water is absorbed by the sponge board 61 and finally enters the connecting pipe 81, the anhydrous copper sulfate in the connecting pipe 81 turns blue, and the transparent setting of the end of the connecting pipe 81 departing from the sponge board 61 provides convenience for monitoring the state of the water-color-changing agent 82, so that people in a room can know the water leakage condition in time and can make remedial measures in time; meanwhile, the connection pipe 81 is inclined, on one hand, water in the sponge plate 61 enters the connection pipe 81 to provide convenience, on the other hand, the inclination of the connection pipe 81 accelerates the flow rate of the water entering the connection pipe 81, so that the early warning speed is effectively increased, and the waterproof plate 4 is effectively protected while time is provided for preparation of remedial measures.

The implementation principle of a construction joint waterproof structure of the embodiment of the application is as follows: one side of the waterproof coiled material 3, which deviates from the concrete, is opposite to the outside, and one side of the leveling layer 5, which deviates from the concrete layer 1, is opposite to the outside; the waterproof coiled material 3 can effectively block outdoor water, if part of water enters the construction joint 11 through the waterproof coiled material 3, the water stop strip 2 expands after meeting water and effectively blocks the part of water; if part of water still permeates through the water stop strip 2, the water is absorbed by the sponge plate 61, the water absorbed by the sponge plate 61 can enter the connecting pipe 81 from the inlet of the connecting pipe 81, and the anhydrous copper sulfate in the connecting pipe 81 is changed from white to blue after the water enters the connecting pipe 81; the inclined arrangement of the connecting pipe 81 provides convenience for water in the sponge plate 61 to enter the connecting pipe 81, and simultaneously accelerates the flow rate of the water entering the connecting pipe 81, namely the early warning speed, so that longer waterproof preparation time is provided for indoor people; the waterproof board 4 can effectively block and retain water penetrating through the sponge layer, and the leveling layer 5 can effectively improve the indoor attractiveness.

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 (9)

1. The utility model provides a construction joint waterproof construction, includes concrete layer (1), its characterized in that: the concrete layer (1) comprises a first pouring section (12), a second pouring section (13) and a construction joint (11) positioned at the joint of the first pouring section (12) and the second pouring section (13); two opposite side walls of the first pouring section (12) and the second pouring section (13) are respectively provided with a reserved groove (121), a water stop strip (2) is arranged in each reserved groove (121), and an adhesive (122) is filled between the circumferential outer side wall of each water stop strip (2) and the circumferential side wall of each reserved groove (121); waterproof coiled materials (3) are fixedly arranged on the side wall of the concrete layer (1) parallel to the length direction, and waterproof plates (4) are fixedly arranged on the side wall of the concrete layer (1) deviating from the waterproof coiled materials (3).

2. A construction joint waterproofing structure according to claim 1, wherein: and a leveling layer (5) is fixedly arranged on the side wall of the waterproof plate (4) departing from the concrete layer (1).

3. A construction joint waterproofing structure according to claim 2, wherein: the side wall of the concrete layer (1) opposite to the waterproof roll (3) is provided with a plurality of bonding grooves (31), and the top ends of the bonding grooves (31) are flush with the upper surfaces of the concrete layer (1) and the waterproof roll (3); reinforcing grooves (51) are formed in the side walls, opposite to each other, of the waterproof plate (4) and the leveling layer (5), and the top ends of the reinforcing grooves (51) are flush with the heights of the waterproof plate (4) and the upper surface of the leveling layer (5); the adhesive (122) is also filled in the adhesive groove (31) and the reinforcing groove (51).

4. A construction joint waterproofing structure according to claim 2, wherein: the waterproof plate (4) is provided with a plurality of reinforcing bolts (41) opposite to the side wall of the leveling layer (5), and one ends of the reinforcing bolts (41) penetrate through the waterproof plate (4) and are in threaded connection with the concrete layer (1).

5. A construction joint waterproofing structure according to claim 1, wherein: two opposite embedded blocks (131) are fixedly arranged on opposite side walls of the first pouring section (12) and the second pouring section (13), fixing grooves (1311) are formed in opposite side walls of the embedded blocks (131), and openings of the fixing grooves (1311) face the waterproof plate (4); a fixed ring plate (6) is arranged in the fixed groove (1311), and openings on two sides of the fixed ring plate (6) face or depart from the waterproof plate (4) respectively; a sponge plate (61) is fixedly arranged on the circumferential inner side wall of the fixed ring plate (6), and the sponge plate (61) is abutted against the side wall of the waterproof plate (4) and the waterproof plate (4); a fixing component (7) for fixing the fixing ring plate (6) is arranged between the fixing groove (1311) and the fixing ring plate (6).

6. A construction joint waterproofing structure according to claim 5, wherein: the fixing component (7) comprises limiting springs (71) fixedly arranged on the two mutually opposite side walls of the limiting groove (1312), limiting blocks (72) fixedly arranged at one ends, deviating from the limiting groove (1312), of the limiting springs (71), and telescopic rods (73) arranged in the limiting springs (71) and used for limiting the telescopic directions of the limiting springs (71); two outer side walls of the fixed ring plate (6) in the height direction are provided with connecting grooves (62) for sliding and inserting of limiting blocks (72), when limiting springs (71) are in a micro-compression state, the limiting blocks (72) are located in the limiting grooves (1312) and the connecting grooves (62) simultaneously, and the limiting blocks (72) are right opposite to circumferential side walls of the connecting grooves (62) and the corresponding circumferential side walls of the connecting grooves (62) to be tightly pressed.

7. A construction joint waterproofing structure according to claim 6, wherein: the upper surface of the limiting block (72) is obliquely arranged, and the end, away from the limiting spring (71), of the upper surface of the limiting block (72) is the bottom end.

8. A construction joint waterproofing structure according to claim 2, wherein: one side of the leveling layer (5) departing from the waterproof plate (4) is provided with a connecting pipe (81), and one end of the connecting pipe (81) departing from the leveling layer (5) penetrates through the waterproof plate (4) and is tightly propped against one side, opposite to the waterproof plate (4), of the sponge plate (61); connecting pipe (81) intussuseption is filled with and meets water color-changing agent (82), and connecting pipe (81) deviate from the one end and the planarization layer (5) coplane of sponge board (61), and connecting pipe (81) deviate from the one end of sponge board (61) and be transparent setting.

9. A construction joint waterproofing structure according to claim 8, wherein: connecting pipe (81) set up for the slope, and connecting pipe (81) deviate from the one end of sponge board (61) and be the bottom.

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