CN116816008A - Waterproof structure of building expansion joint and construction method thereof - Google Patents

Abstract

The invention provides a waterproof structure of a building expansion joint and a construction method thereof, which relate to the technical field of building expansion joint waterproof, and comprise a waterproof device, a drainage device and a monitoring device.

Description

Waterproof structure of building expansion joint and construction method thereof

Technical Field

The invention relates to the technical field of building expansion joint waterproofing, in particular to a building expansion joint waterproofing structure and a construction method thereof.

Background

In order to prevent the building components from generating cracks or damage due to the climate temperature change, the expansion joint is generally arranged on a building, the expansion joint is required to be subjected to waterproof treatment in the construction stage, particularly the expansion joint at the top of the building, the problem of leakage is easy to occur due to the fact that water is accumulated on a roof, the existing expansion joint treatment mode is adopted, the elastic deformation can be generated under various loads by utilizing the high elastic energy of the expansion joint, the characteristic of volume expansion can be generated after water meeting, and therefore the expansion joint can play a firm sealing role, but after construction is completed, the expansion joint is easy to break due to shrinkage of concrete, the problem of leakage water occurs in the later stage, the problem of leakage water occurs due to exceeding the bearing limit under the condition that the temperature difference is large, the existing expansion joint treatment mode cannot be found timely after leakage occurs, and loss occurs.

Disclosure of Invention

The embodiment of the invention provides a building expansion joint waterproof structure and a construction method thereof, which solve the problems that the existing building expansion joint waterproof treatment mode is easy to damage, leakage is caused, the leakage cannot be found in time, and loss is caused by changing the existing expansion joint waterproof structure and adding a monitoring device.

In view of the above problems, the technical scheme provided by the invention is as follows:

a building expansion joint waterproof structure, comprising:

the waterproof coiled material is arranged at the top of the building, a water retaining wall is arranged at the position, close to the expansion joint, of the top of the building, and the waterproof coiled material is arranged on the outer side surface of the water retaining wall;

the waterproof device comprises a bracket and a cover plate, wherein a guide rail is arranged at the bottom of the cover plate, the bracket comprises a sliding seat, a connecting rod and a mounting plate, the mounting plate is arranged on the inner side of the water-retaining wall, one end of the connecting rod is connected with the mounting plate, the other end of the connecting rod is detachably connected with the sliding seat, and the top of the sliding seat is in sliding connection with the guide rail;

an elastic membrane is arranged between the cover plate and the water retaining wall;

the drainage device comprises a drainage ditch and a drainage pipe, wherein the drainage ditch is made of flexible materials and is arranged in the expansion joint in an inclined state, the edge of the drainage ditch is connected with a waterproof coiled material, one end of the drainage pipe is communicated with the lowest part of the horizontal position of the drainage ditch, and the other end of the drainage pipe extends to the outside of the building;

the monitoring device comprises a water diversion box, wherein the water diversion box is communicated with the other end of the drain pipe, a water level switch b is arranged on the side wall of the water diversion box, the water level switch b is electrically connected with a controller, and the controller is electrically connected with an alarm.

In order to better realize the technical scheme of the invention, the following technical measures are adopted.

Further, the sliding seat comprises a sliding shaft and a clamping seat, the clamping seat comprises a sleeve, the sleeve is in sliding connection with the guide rail through the sliding shaft, and a spring, a push ring and a plurality of clamping beads are sequentially arranged in the sleeve from top to bottom.

Further, the other end of the connecting rod is inserted into the sleeve, the connecting rod penetrates through the push ring, a clamping groove is formed in the surface of the other end of the connecting rod, and after the other end of the connecting rod is inserted into the sleeve, the clamping beads fall into the clamping groove under the action of the spring.

Further, a plurality of clamping beads are connected through an elastic rope penetrating through the center of the clamping beads to form a clamping ring, and the inner diameter of the clamping ring is smaller than the outer diameter of the other end of the connecting rod.

Furthermore, the push ring and the clamping beads are made of iron.

Further, still include the resilience ware, the resilience ware includes plectrum and elastic expansion link, the elastic expansion link sets up the surface of mounting panel, the plectrum sets up the bottom of guide rail, the plectrum with the elastic expansion link contact.

Further, a guide plate is further arranged at the edge of the cover plate, a water level switch a is arranged on the inner side of the guide plate, and the water level switch is electrically connected with the controller.

Further, a water retaining sheet is further arranged in the water diversion box, and the water retaining sheet is obliquely arranged above the water level switch b.

Further, the number of the brackets and the number of the rebound devices are two, and the brackets and the rebound devices are symmetrically distributed at the water retaining walls at the two sides of the expansion joint.

A construction method of a waterproof structure of a building expansion joint comprises the following steps:

when binding the steel bars, binding a plurality of steel bars in the vertical direction at the position of the top of the building close to the expansion joint, and paving waterproof coiled materials at the top of the building after pouring;

erecting a template in the range of the vertically bundled root steel bars, and pouring a water retaining wall;

paving waterproof coiled materials on the surface of one side of the water retaining wall far away from the expansion joint, and connecting the waterproof coiled materials with the waterproof coiled materials paved on the top of the building;

filling sealant at the joint and pasting an arc-shaped water baffle;

the waterproof strip is adopted to set the inclination angle of the drainage ditch to be 1 degree, the drainage ditch is arranged in an expansion joint between buildings, the edge of the drainage ditch is connected with the waterproof coiled material, a drain pipe inclined at 45 degrees is arranged at the lowest point of the horizontal position of the drainage ditch, and the other end of the drain pipe extends to the outside of the buildings;

the installing support adopts the mode of bonding to install the elastic membrane in the apron department that is close to the water retaining wall, after with apron and leg joint, adopts the mode of bonding to be connected the elastic membrane with the water retaining wall.

Compared with the prior art, the invention has the beneficial effects that:

1. the support and the cover plate are adopted to waterproof the building roof, displacement can be generated between the cover plate and the support relatively in the thermal expansion and contraction process of the building, the problem that the bearing limit is exceeded due to shrinkage of concrete and overlarge temperature difference can be avoided, and the waterproof effect on the expansion joint can be kept.

2. The water level switch b that sets up can combine drainage device can collect the water of seepage, when the seepage appears, and water level switch b detects to have the infiltration back, and the controller leads to the siren to send out the early warning, is convenient for in time handle the infiltration, avoids causing the loss.

The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.

Drawings

Fig. 1 is a schematic diagram of an installation structure of an expansion joint waterproof structure disclosed in an embodiment of the invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B;

FIG. 4 is a schematic diagram of the installation structure of the diversion box and the drain pipe disclosed in the embodiment of the invention;

FIG. 5 is a communication block diagram of a monitoring device according to an embodiment of the present invention;

fig. 6 is a schematic flow chart of a construction method of a waterproof structure of a building expansion joint according to an embodiment of the invention.

Reference numerals: 1. a water retaining wall; 2. waterproof coiled materials; 3. a building; 4. an expansion joint; 5. a waterproof device; 51. a bracket; 511. a sliding seat; 5111. a slide shaft; 5112. a clamping seat; 51121. a sleeve; 51122. a spring; 51123. a push ring; 51124. clamping beads; 512. a connecting rod; 513. a mounting plate; 52. a cover plate; 521. a guide rail; 522. a deflector; 5221. an inclined plane; 53. an elastic membrane; 6. a rebound device; 61. a pulling piece; 62. an elastic telescopic rod; 7. a drainage device; 71. a drainage ditch; 72. a drain pipe; 8. a monitoring device; 81. a water level switch a; 82. a water level switch b; 83. a water diversion box; 84. a water blocking piece; 85. a controller; 86. an alarm; 9. arc breakwater.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1-5, a building expansion joint waterproof structure comprises a waterproof device 5, a drainage device 7 and a monitoring device 8, wherein the drainage device 7 can relatively displace in the thermal expansion and contraction process of a building 3, the problem that the drainage device exceeds the bearing limit due to shrinkage of concrete and overlarge temperature difference can be avoided, the waterproof effect on the expansion joint 4 is maintained, if leakage occurs at the expansion joint 4 of a roof of the building 3, leaked water can be discharged to the outside of the building 3 through the drainage device 7, the monitoring device 8 can monitor the leaked water, and when leakage occurs, the monitoring device 8 gives out early warning so as to discover the leakage condition in time and process the leakage.

Referring to fig. 1, the top of building 3 is provided with waterproofing membrane 2, the building 3 top is close to expansion joint 4 department and is provided with water retaining wall 1, the outside surface of water retaining wall 1 is provided with waterproofing membrane 2, water retaining wall 1 is kept away from expansion joint 4 one side surface and lays waterproofing membrane 2 and link together with the waterproofing membrane 2 of building 3 top and lay, the water retaining wall 1 of setting can strengthen the water storage height of roofing, avoid at the rainfall too big, the downcomer drainage is untimely, the rainwater gets into expansion joint 4, can further strengthen the water-proof effects to expansion joint 4 after water retaining wall 1's outside lays waterproofing membrane 2 simultaneously.

In a preferred embodiment, the gap between the water retaining wall 1 and the roof of the building 3 can be filled with sealant and an arc-shaped water baffle 9 is adhered, so that the waterproof performance of the water retaining wall 1 and the roof of the building 3 is further enhanced.

Referring to fig. 1 to 4, the waterproof device 5 includes a bracket 51 and a cover plate 52, a guide rail 521 is provided at the bottom of the cover plate 52, the bracket 51 includes a sliding seat 511, a connection rod 512 and a mounting plate 513, the mounting plate 513 is provided at the inner side of the water-blocking wall 1, one end of the connection rod 512 is connected with the mounting plate 513, the other end of the connection rod 512 is detachably connected with the sliding seat 511, and the top of the sliding seat 511 is slidably connected with the guide rail 521.

Specifically, in the thermal expansion and contraction process of the building 3, the cover plate 52 can slide on the bracket 51, the problem that the bearing limit is exceeded due to shrinkage of concrete and overlarge temperature difference is avoided, and the waterproof effect on the expansion joint 4 can be maintained.

In a preferred embodiment, an elastic membrane 53 is provided between the cover plate 52 and the water-retaining wall 1, and the elastic membrane 53 can further enhance the sealing of the expansion joint 4, and prevent external water from entering the expansion joint 4 from the gap between the cover plate 52 and the water-retaining wall 1.

Further, the device further comprises a rebound device 6, the rebound device 6 comprises a pulling piece 61 and an elastic telescopic rod 62, the elastic telescopic rod 62 is arranged on the surface of the mounting plate 513, the pulling piece 61 is arranged at the bottom of the guide rail 521, the pulling piece 61 is in contact with the elastic telescopic rod 62, and the rebound device 6 can restore the cover plate 52 to the original position when the cover plate 52 can slide on the bracket 51.

For example, when the rainfall is too large, the elastic membrane 53 can block the accumulated water, so as to avoid the technology from rushing into the expansion joint 4.

Referring to fig. 1-4, the sliding seat 511 includes a sliding shaft 5111 and a clamping seat 5112, the clamping seat 5112 includes a sleeve 51121, the sleeve 51121 is slidably connected with the guide rail 521 through the sliding shaft 5111, and a spring 51122, a push ring 51123 and a plurality of clamping beads 51124 are sequentially disposed inside the sleeve 51121 from top to bottom.

It should be noted that, the plurality of clamping beads 51124 are connected by elastic ropes penetrating through the sphere center to form a clamping ring, the inner diameter of the clamping ring is slightly smaller than the outer diameter of the other end of the connecting rod 512, and the outer diameter of the clamping ring is larger than the inner diameter of the push ring 51123;

specifically, the other end of the connecting rod 512 is inserted into the sleeve 51121, and penetrates the push ring 51123, a clamping groove is formed in the surface of the other end of the connecting rod 512, after the other end of the connecting rod 512 is inserted into the sleeve 51121, under the action of the spring 51122, the clamping bead 51124 falls into the clamping groove, and when the other end of the connecting rod 512 is pulled reversely, the clamping bead 51124 limits the position of the connecting rod 512, so that the connecting rod is prevented from falling out of the sleeve 51121.

In a preferred embodiment, the push ring 51123 and the clamping beads 51124 are made of iron, when the cover plate 52 needs to be detached, strong magnets are adopted to attract the push ring 51123 and the clamping beads 51124 by magnetic force, the push ring 51123 and the clamping beads 51124 are adsorbed to the top wall of the sleeve 51121, and at the moment, the other end of the connecting rod 512 can be separated from the inside of the sleeve 51121.

Referring to fig. 1 and 4, the drainage device 7 includes a drainage ditch 71 and a drainage pipe 72, wherein the drainage ditch 71 is made of a flexible material, and specifically adopts a rubber sheet, such as a butyl rubber sheet or a nitrile rubber sheet, which is arranged in the expansion joint 4 in an inclined state, the edge of the drainage ditch 71 is connected with the waterproof roll 2, one end of the drainage pipe 72 is communicated with the lowest part of the horizontal position of the drainage ditch 71, and the other end extends to the outside of the building 3;

specifically, the drain 71 collects the water seepage and discharges the water seepage to the outside of the building 3 through the drain pipe 72, thereby further avoiding the loss after the water seepage occurs.

Referring to fig. 1 to 5, the monitoring device 8 includes a water diversion box 83, the water diversion box 83 is communicated with the other end of the drain pipe 72, a water level switch b82 is arranged on the side wall of the water diversion box 83, the water level switch b82 is electrically connected with a controller 85, and the controller 85 is electrically connected with an alarm 86.

Specifically, the water level switch b82 that sets up can combine drainage device 7 can collect the water of seepage, when the seepage appears, and after water level switch b82 detected that there is the infiltration, the controller 85 led to the alarm 86 to send the early warning, is convenient for in time handle the infiltration, avoids causing the loss.

Referring to fig. 1, 3 and 5, a baffle 522 is further provided at an edge of the cover plate 52, and a water level switch a81 is provided at an inner side of the baffle 522, and is electrically connected to the controller 85.

Specifically, when the water level switch a81 detects the accumulated water, the controller 85 sends early warning information through the alarm 86, so as to check the reason of the accumulated water, and avoid leakage caused by excessive accumulated water.

Illustratively, after the water outlet is blocked by sundries, the water level of the accumulated water on the roof of the building 3 rises to the position of the water level switch a81, at this time, the controller 85 sends early warning information through the alarm 86, after receiving the early warning information, the technical condition of the roof of the building 3 can be checked, and the water outlet is cleaned by sundries to drain the accumulated water, so as to prevent the problem of leakage caused by further rising of the water level.

The invention further provides a construction method of the building expansion joint waterproof structure, which comprises the following steps of:

s1, when binding steel bars, binding a plurality of steel bars in a vertical direction at the top of a building 3 close to an expansion joint 4, and paving a waterproof coiled material 2 at the top of the building 3 after pouring;

s2, supporting a template in the range of the vertically bundled root steel bars, and pouring a water retaining wall 1;

s3, paving a waterproof coiled material 2 on the surface of one side of the water retaining wall 1 away from the expansion joint 4, and connecting the waterproof coiled material 2 with the waterproof coiled material 2 paved on the top of the building 3;

s4, filling sealant at the joint and pasting an arc-shaped water baffle 9;

s5, setting the inclination angle of the drainage ditch 71 to be 1 degree by adopting a waterproof strip, installing the drainage ditch in an expansion joint 4 between the buildings 3, connecting the edge of the drainage ditch 71 with the waterproof coiled material 2, setting a drain pipe 72 inclined at 45 degrees at the lowest point of the horizontal position of the drainage ditch 71, and extending the other end to the outside of the buildings 3;

s6, installing the bracket 51, installing the elastic membrane 53 at the position, close to the water-retaining wall 1, of the cover plate 52 in an adhesive mode, wherein the elastic membrane 53 is made of a rubber sheet, such as a butyl rubber sheet or a nitrile rubber sheet, and after the cover plate 52 is connected with the bracket 51, the elastic membrane 53 is connected with the water-retaining wall 1 in an adhesive mode.

In one embodiment, when the cover plate 52 is replaced, after the connection part between the elastic membrane 53 and the water-retaining wall 1 is cut, the push ring 51123 and the clamping bead 51124 are adsorbed to the top wall of the sleeve 51121 by strong magnet adsorption, at this time, the other end of the connecting rod 512 can be separated from the interior of the sleeve 51121, the cover plate 52 is removed, and then the new cover plate 52 is replaced, and the elastic membrane 53 is connected with the water-retaining wall 1 by adopting an adhesive mode through the elastic membrane 53.

The above-described embodiment can achieve the effect of facilitating replacement of the cover plate 52, and after the cover plate 52 is aged or damaged, replacement thereof is facilitated, and repair or replacement of the drain 7 is also facilitated.

Specifically, adopt support 51 and apron 52 to carry out the waterproof of building 3 roofing, at the in-process of building 3 expend with heat and contract with cold, can take place the displacement relatively between apron 52 and the support 51, can not appear exceeding the problem of bearing limit because of concrete shrink and the difference in temperature is too big, can keep the water-proof effects to expansion joint 4, the water level switch b82 that sets up can combine drainage device 7 can collect the water of seepage, when the seepage appears, water level switch b82 detects there is the infiltration back, controller 85 leads to alarm 86 to send the early warning, be convenient for in time handle the infiltration, avoid causing the loss, increase monitoring devices 8 simultaneously through changing current expansion joint 4 waterproof construction, the fragile that exists of current building 3 expansion joint 4 waterproof treatment mode leads to appearing the seepage and can not discover in time, the problem of loss appears.

It should be noted that, specific model specifications of the water level switch a81, the water level switch b82, the controller 85 and the alarm 86 need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the art, so detailed description is omitted.

The power supply of the water level switch a81, the water level switch b82, the controller 85 and the alarm 86 and the principle thereof will be apparent to those skilled in the art, and will not be described in detail herein.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. The utility model provides a building expansion joint waterproof construction, sets up at the top of building (3), its characterized in that includes:

the waterproof roll (2) is arranged at the top of the building (3), the water retaining wall (1) is arranged at the top of the building (3) close to the expansion joint (4), and the waterproof roll (2) is arranged on the outer side surface of the water retaining wall (1);

the waterproof device (5) comprises a bracket (51) and a cover plate (52), wherein a guide rail (521) is arranged at the bottom of the cover plate (52), the bracket (51) comprises a sliding seat (511), a connecting rod (512) and a mounting plate (513), the mounting plate (513) is arranged on the inner side of the water retaining wall (1), one end of the connecting rod (512) is connected with the mounting plate (513), the other end of the connecting rod (512) is detachably connected with the sliding seat (511), and the top of the sliding seat (511) is in sliding connection with the guide rail (521);

an elastic membrane (53) is arranged between the cover plate (52) and the water retaining wall (1);

the drainage device (7) comprises a drainage ditch (71) and a drainage pipe (72), wherein the drainage ditch (71) is made of flexible materials and is arranged in the expansion joint (4) in an inclined state, the edge of the drainage ditch (71) is connected with the waterproof coiled material (2), one end of the drainage pipe (72) is communicated with the lowest part of the horizontal position of the drainage ditch (71), and the other end of the drainage pipe extends to the outside of the building (3);

monitoring devices (8), including diversion box (83), diversion box (83) with drain pipe (72) other end intercommunication the lateral wall of diversion box (83) is provided with water level switch b (82), water level switch b (82) electricity is connected with controller (85), controller (85) electricity is connected with siren (86).

2. A building expansion joint waterproof structure according to claim 1, wherein: the sliding seat (511) comprises a sliding shaft (5111) and a clamping seat (5112), the clamping seat (5112) comprises a sleeve (51121), the sleeve (51121) is in sliding connection with the guide rail (521) through the sliding shaft (5111), and a spring (51122), a push ring (51123) and a plurality of clamping beads (51124) are sequentially arranged inside the sleeve (51121) from top to bottom.

3. A building expansion joint waterproof structure according to claim 2, wherein: the other end of the connecting rod (512) is inserted into the sleeve (51121), the connecting rod penetrates through the push ring (51123), a clamping groove is formed in the surface of the other end of the connecting rod (512), after the other end of the connecting rod (512) is inserted into the sleeve (51121), under the action of the spring (51122), the clamping beads (51124) fall into the clamping groove.

4. A building expansion joint waterproof structure according to claim 2, wherein: the clamping beads (51124) are connected through elastic ropes penetrating through the sphere center of the clamping beads to form a clamping ring, and the inner diameter of the clamping ring is smaller than the outer diameter of the other end of the connecting rod (512).

5. A building expansion joint waterproof structure according to claim 2, wherein: the push ring (51123) and the clamping beads (51124) are made of iron.

6. A building expansion joint waterproof structure according to any one of claims 1 to 5, characterized in that: still include resilience ware (6), resilience ware (6) include plectrum (61) and elastic telescopic rod (62), elastic telescopic rod (62) set up the surface of mounting panel (513), plectrum (61) set up the bottom of guide rail (521), plectrum (61) with elastic telescopic rod (62) contact.

7. A building expansion joint waterproof structure according to any one of claims 1 to 5, characterized in that: the edge of the cover plate (52) is also provided with a guide plate (522), the inner side of the guide plate (522) is provided with a water level switch a (81), and the water level switch is electrically connected with the controller (85).

8. A building expansion joint waterproof structure according to any one of claims 1 to 5, characterized in that: the inside of diversion box (83) still is provided with manger plate piece (84), manger plate piece (84) slope sets up the top of water level switch b (82).

9. The building expansion joint waterproof structure according to claim 6, wherein: the number of the brackets (51) and the number of the rebound devices (6) are two, and the brackets and the rebound devices are symmetrically distributed at the water retaining walls (1) at two sides of the expansion joint (4).

10. A construction method of a building expansion joint waterproof structure, applying the building expansion joint waterproof structure of claim 1, characterized in that: the method comprises the following steps:

when binding the steel bars, binding a plurality of steel bars in a vertical direction at the position, close to the expansion joint (4), of the top of the building (3), and paving a waterproof coiled material (2) at the top of the building (3) after pouring;

erecting a template in the range of the vertically bundled root steel bars, and pouring a water retaining wall (1);

a waterproof coiled material (2) is paved on the surface of one side of the water retaining wall (1) far away from the expansion joint (4) and is connected with the waterproof coiled material (2) paved on the top of the building (3);

filling sealant at the joint and pasting an arc-shaped water baffle (9);

the waterproof strip is adopted to set the inclination angle of the drainage ditch (71) to be 1 degree, the drainage ditch is arranged in an expansion joint (4) between the buildings (3), the edge of the drainage ditch (71) is connected with the waterproof coiled material (2), a drain pipe (72) inclined at 45 degrees is arranged at the lowest point of the horizontal position of the drainage ditch (71), and the other end extends to the outside of the buildings (3);

and the mounting bracket (51) is used for mounting the elastic membrane (53) at the position, close to the water retaining wall (1), of the cover plate (52), and connecting the elastic membrane (53) with the water retaining wall (1) in an adhesive mode after the cover plate (52) is connected with the bracket (51).