CN115354764B

CN115354764B - Waterproof structure of basement of old community and construction method

Info

Publication number: CN115354764B
Application number: CN202211168609.0A
Authority: CN
Inventors: 冯家宝; 陈彬; 蒋德永; 赵东; 陈卫兵
Original assignee: Beijing Zhongan Zhubang Construction Co ltd
Current assignee: Beijing Zhongan Zhubang Construction Co ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-07-21
Anticipated expiration: 2042-09-24
Also published as: CN115354764A

Abstract

The application relates to a waterproof structure of a basement of an old community and a construction method, and relates to the technical field of constructional engineering. The waterproof structure comprises a basement, a window well is arranged on the outer side of a window of the basement, and a water collecting tank is arranged at the bottom of the window well; the anti-seepage wall plate is arranged on the inner wall of the basement, a waterproof layer is arranged on the surface of the anti-seepage wall plate facing the inner wall of the basement, a diversion channel is arranged on the surface of the inner wall body facing the anti-seepage wall plate, at the lowest position of the diversion channel, the diversion channel is communicated with the water collecting tank through a window well, and the height of the lower wall of the diversion trench gradually rises in the direction away from the window well. The utility model discloses an utilize the prevention of seepage wallboard to isolate the moisture of infiltration basement to dredge the rivers that collect through the water conservancy diversion passageway, reduced erosion and the pressure that the prevention of seepage wallboard received, and whole construction process setting in the basement, avoided excavating the influence to resident's trip to old district periphery.

Description

Waterproof structure of basement of old community and construction method

Technical Field

The application relates to the technical field of constructional engineering, in particular to a waterproof structure of a basement of an old community and a construction method.

Background

Old cells are usually cells built before 2000 in city and county. With the transition in time, many old cells have been rebuilt or rebuilt, but currently some old cells are still continuously in use. And the basement of the old community often has the condition of water seepage and water leakage along with the extension of time.

Referring to fig. 1, a conventional old cell basement 1 is schematically shown. The top of the basement 1 extends to the ground, a floor window for lighting is arranged on one side wall of the basement 1, and a window well 2 for enlarging lighting effect is dug on the ground in front of the floor window.

The outer surface of the basement 1 outer wall of the old district building is provided with a waterproof coiled material layer 10 for preventing the condition that water in the foundation permeates into the basement 1. However, after about five years, the waterproof roll layer 10 buried in the outer wall of the basement 1 is aged and damaged by pressure or attack of microorganisms, resulting in water leakage of the basement 1. The conventional method for repairing the old community is to excavate the ground around the old building, replace the waterproof roll layer 10, and backfill the excavated construction pit.

In view of the above-mentioned related art, the inventors found that the process of digging the ground around the old community and accumulating the soil around to replace the waterproof roll layer 10 is required to perform waterproof repair on the old community, and the normal travel of surrounding residents and even passersby is greatly hindered.

Disclosure of Invention

In order to reduce the situation that the repairing process of the basement waterproof structure of the old community can bring obstacles to the travel of surrounding residents, the application provides the basement waterproof structure of the old community and a construction method.

The waterproof structure and the construction method for the basement of the old community adopt the following technical scheme:

in the first aspect, the waterproof structure of the basement of the old community comprises a basement, wherein a window well is arranged on the outer side of a window of the basement, and a water collecting tank is arranged at the bottom of the window well;

the anti-seepage wall plate is arranged on the inner wall of the basement, a waterproof layer is arranged on the surface of the anti-seepage wall plate facing the inner wall of the basement, a diversion channel is arranged on the surface of the inner wall body facing the anti-seepage wall plate, at the lowest position of the diversion channel, the diversion channel is communicated with the water collecting tank through a window well, and the height of the lower wall of the diversion trench gradually rises in the direction away from the window well.

Through adopting above-mentioned technical scheme, rely on the impervious wall board to cut off basement inner space and wall to reduce the condition that moisture directly goes deep into the basement, hold the infiltration on the wall through the water conservancy diversion passageway simultaneously, the rivers that water collection formed are dredged to the water catch bowl of window well and wait for centralized processing. According to the scheme, different previous waterproof treatments are carried out on the basement of the old community in a mode of blocking and dredging simultaneously, the condition that moisture permeates into the basement is reduced, meanwhile, the flow guiding capacity of the flow guiding channel can reduce the pressure on the seepage-proof wallboard after the moisture in the basement wall body is increased as much as possible, the conditions that the seepage-proof wallboard bulges and deforms under the conditions of long-time soaking and pressure are reduced, and the service life of the seepage-proof wallboard is prolonged.

By arranging the waterproof structure of the basement indoors, the situation that the waterproof layer is required to be laid again by digging the ground around the basement in the related technology is avoided, and therefore the situation that the repairing process of the waterproof structure of the basement of the old community brings great inconvenience to surrounding residents is reduced.

Optionally, the diversion channel all includes a plurality of drainage holes and a guiding gutter, the guiding gutter is seted up along the inner wall surface of basement, the drainage hole is seted up on the inner wall of guiding gutter along the length direction of guiding gutter, and the depth direction of drainage hole is seted up along the thickness direction of basement wall.

By adopting the technical scheme, the guiding range of the diversion channel in the basement wall body is enlarged, the diversion capability of the diversion channel to moisture or water flow is improved, and the accumulated and retained moisture in the basement wall body is further reduced.

Optionally, the diversion channels are provided with a plurality of groups, and the plurality of groups of diversion channels are distributed on the inner wall of the basement along the height direction.

By adopting the technical scheme, the plurality of groups of diversion channels are arranged in the height direction of the inner wall of the basement

Optionally, the lower surface of guiding gutter is provided with the strip water conservancy diversion strip of laying along guiding gutter length direction, the section shape of water conservancy diversion strip is "U" type, the opening direction of water conservancy diversion strip is upwards.

By adopting the technical scheme, the diversion strip can reduce the condition that water flow collected in the diversion trench permeates the basement wall again, and improves the guiding capability of the diversion channel to the water flow.

Optionally, the drainage hole is gradually inclined upwards in a direction away from the drainage groove.

By adopting the technical scheme, the water flow in the drainage hole is more favorably guided into the diversion trench, and the retention of the water flow in the drainage hole is reduced.

Optionally, a shielding net for shielding the opening above the flow guide strip is arranged right above the flow guide strip.

Through adopting above-mentioned technical scheme, reduced the grit on the wall body and enter into the guiding gutter and pile up in, lead to the condition that the water conservancy diversion passageway is difficult to circulate.

Optionally, the water-collecting device further comprises a water drainage assembly arranged in the water-collecting tank, wherein the water drainage assembly comprises a liquid level switch and a water suction pump which are mutually connected in series, and a water drainage pipe of the water suction pump extends out of the window well.

By adopting the technical scheme, continuous automatic treatment of accumulated water in the waterproof structure is realized.

Optionally, the section of shielding net is "V" type, just shielding net's opening direction is unanimous with the opening direction of water conservancy diversion strip, the drainage board has been placed on the diapire of drainage hole, the bottom butt of drainage board is in shielding net's opening.

Through adopting above-mentioned technical scheme, the drainage board can reduce the condition that the water droplet in the drainage hole permeated into the basement interior wall again in, leads the guiding gutter with all moisture as far as possible.

Optionally, the necessary in the basement has offered the intercommunication groove, all guiding gutter all with the intercommunication groove intercommunication, just be provided with the air-blower in the window well, the outlet duct of air-blower is used for being put through with the water conservancy diversion passageway.

Through adopting above-mentioned technical scheme, resident can ventilate the water conservancy diversion passageway in to the basement inner wall through the air-blower to promote the gas circulation in the water conservancy diversion passageway, prevent the condition that the odor accumulated in the water conservancy diversion passageway, bacteria breeds.

On the other hand, the application discloses a construction method of a waterproof structure of an old community, which comprises the following steps:

a water collecting tank is arranged on the bottom wall of the window well;

the inner wall of the basement is provided with diversion trenches at different heights, and the diversion trenches are communicated with the window well;

a drainage hole is formed in the inner wall of the diversion trench;

and paving an anti-seepage wallboard on the inner wall of the basement.

Through adopting above-mentioned technical scheme to the mode of arranging is blocked up limit, keeps apart and concentrate the discharge with the moisture that holds in the basement inner wall, has avoided the influence that the construction mode excavated around the basement of old district produced the resident trip around. Meanwhile, compared with the scheme in the related art, the construction scheme is simpler and quicker, saves a large amount of manpower and material resources, and prolongs the service life of the waterproof structure.

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

1. by paving the impervious wallboard in the basement, the water permeated into the basement by the basement wall is reduced, so that the humidity in the basement is reduced;

2. by arranging the diversion channel on the inner wall of the basement, the infiltrated water in the wall of the basement is drained, and the swelling and deformation of the impermeable wallboard under the action of long-time moisture and pressure are reduced.

Drawings

Fig. 1 is a schematic diagram of a basement of a old cell in the related art.

Fig. 2 is an overall cross-sectional view of a waterproof structure in an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic diagram of the position structures of the flow guiding strips, the shielding net and the flow guiding plates in the flow guiding channel in the embodiment of the application.

Reference numerals illustrate: 1. a basement; 10. a waterproof coiled material layer; 11. seepage-proof wallboard; 111. a waterproof layer; 12. a diversion channel; 121. a diversion trench; 122. drainage holes; 123. a flow guiding strip; 124. a protective net; 125. a bracket; 126. a filter screen; 127. a drainage plate; 128. a communication groove; 13. a through hole; 2. a window well; 21. a water collection tank; 3. a drainage assembly; 31. a liquid level switch; 32. a water pump; 4. a blower.

Detailed Description

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

The embodiment of the application discloses a waterproof structure of a basement 1 of an old community and a construction method. Referring to fig. 2 and 3, the waterproof structure includes a basement 1, a window well 2 is formed on the ground outside a window of the basement 1, a water collecting tank 21 is formed at the bottom of the window well 2, and the width of the water collecting tank 21 is slightly larger than that of a landing window. The anti-seepage wallboard 11 is paved on the inner wall of the basement 1, the surface of the anti-seepage wallboard 11 facing the inner wall of the basement 1 is provided with the waterproof layer 111 so as to achieve the anti-seepage effect, wherein the waterproof layer 111 can be a waterproof paint coating, and also can be laminated rubber or laminated waterproof coiled materials adhered on the anti-seepage wallboard 11, and the waterproof layer 111 in the application is the waterproof paint coating.

The inner surface of the wall body of the basement 1 is provided with a diversion channel 12 for guiding moisture in the inner wall of the basement 1 into a water collecting tank 21 of the window well 2. The height of the lower wall of the diversion trench 121 gradually increases in the direction away from the window well 2, and a through hole 13 for communicating the diversion channel 12 with the window well 2 is formed in the inner wall of the basement 1 at the lowest position of the diversion channel 12.

The seepage-proof wallboard 11 can block the moisture which permeates the basement 1 in the most direct mode, and when the moisture in the wall body of the basement 1 permeates the basement 1, the moisture gradually falls into the diversion channel 12 and gathers in the diversion channel 12, and then the moisture in the wall body is guided out to the water collecting tank 21 of the window well along the diversion channel 12, so that the pressure on the seepage-proof wallboard 11 caused by the increase of the moisture in the basement 1 is reduced, the conditions of swelling and deformation of the seepage-proof wallboard 11 under the conditions of long-time soaking and pressure are reduced, and the service life of the seepage-proof wallboard 11 is prolonged.

Because the waterproof structure of the basement 1 is arranged indoors, the situation that the waterproof layer 111 is required to be laid again by digging the ground around the basement 1 in the related art is avoided, and the situation that the repairing process of the waterproof structure of the basement 1 of the old community can cause obstruction to traveling of surrounding residents is reduced.

Referring to fig. 2 and 3, the diversion channels 12 are provided with three groups, each group of diversion channels 12 includes a plurality of diversion holes 122 and one diversion trench 121, the diversion trench 121 is opened along the inner wall surface of the basement 1, the diversion holes 122 are opened on the inner wall of the diversion trench 121 at equal intervals along the length direction of the diversion trench 121, the depth direction of the diversion holes 122 is opened along the thickness direction of the wall of the basement 1, and the diversion holes 122 are gradually inclined upwards in the direction away from the diversion trench 121.

Moisture in the wall of the basement 1 permeates into the drainage holes 122 and gradually gathers together and flows into the diversion trench 121. The arrangement of the diversion holes 122 enlarges the guiding range of the diversion channel 12 to the moisture in the wall body of the basement 1, and further reduces the moisture in the wall body of the basement 1.

The three groups of diversion channels 12 are distributed on the inner wall of the basement 1 at equal intervals along the height direction. The arrangement of the three groups of diversion channels 12 can share the pressure born by the impervious wallboard 11 at each height position as much as possible, so that the situation that the impervious wallboard 11 bulges and deforms under the conditions of long-time soaking and pressure is further reduced.

In order to reduce the situation that the water in the diversion trench 121 permeates into the wall again in the water flow guiding process, a diversion strip 123 arranged along the length direction of the diversion trench 121 is arranged on the lower wall of the diversion trench 121, and the cross section of the diversion strip 123 is of a U-shaped structure with an upward opening.

In the height direction, the drainage holes 122 of two adjacent diversion channels 12 are distributed in a staggered manner, so that the drainage range and the drainage effect of the drainage holes 122 on moisture in the wall body are further improved, the drainage holes 122 are distributed more uniformly in the wall body of the basement 1, and the pressure on the seepage-proof wallboard 11 at each position is reduced more uniformly.

Referring to fig. 3 and 4, a shielding net 124 for shielding an opening above the deflector 123 is provided right above the deflector 123. The shielding net 124 comprises a plurality of brackets 125 and a filter screen 126, and the brackets 125 are arranged at the opening above the flow guiding strip 123 at equal intervals along the length direction of the flow guiding strip 123.

The shape of the support 125 is a V-shaped structure with an upward opening, two ends of the support 125 are respectively fixedly connected to the inner walls at two sides of the flow guide strip 123, and the filter screen 126 is fixedly connected to the upper side of the support 125, so that the whole shielding net 124 is in a V-shaped strip structure. The support 125 can improve the strength of the guide strip 123, reduce the deformation generated by the guide strip 123, and meanwhile, the support 125 can assist the filter screen 126 to play a supporting role, so that the bearing capacity of the filter screen 126 is improved. The shielding net 124 can effectively reduce the situation that stones on the inner wall of the basement 1 fall into the diversion strips 123 to block water flow.

A strip-shaped drainage plate 127 with a semicircular section is placed on the bottom surface of the drainage hole 122, an opening of the drainage plate 127 is arranged towards the axis of the drainage hole 122, and the bottom of the drainage plate 127 is abutted in an upper opening of the shielding net 124.

Referring to fig. 2, the waterproof structure further includes a drain assembly 3 provided in the sump 21, the drain assembly 3 including a liquid level switch 31 and a water pump 32 connected in series with each other, and a drain pipe of the water pump 32 extends upward out of the window well 2.

When the water level in the water collection tank 21 rises to 3/4 of the depth of the water collection tank 21, the liquid level switch 31 is triggered, and the water suction pump 32 starts to start, so that accumulated water in the water collection tank 21 is discharged out of the window well 2. After the lapse of the fixed time of drainage, the liquid level switch 31 is restored to the open state, and the suction pump 32 stops operating.

The inner wall of the basement 1 is also provided with a communication groove 128, the side walls of the positions of the guide strips 123 in all the guide channels 12 corresponding to the communication groove 128 are provided with vent holes, and the guide strips 123 are respectively communicated with the communication groove 128 through the vent holes of the guide strips 123. And install air-blower 4 on the window well 2 inner wall, the end of giving vent to anger of air-blower 4 rotates and is connected with the connecting pipe, has seted up the external screw thread on the outer wall of connecting pipe. One or more through holes 13 are arranged as threaded holes matched with the connecting pipes, and when ventilation is needed to be carried out on the diversion channels 12, the air outlet end of the air blower 4 can be connected in the through holes 13 provided with internal threads through the connecting pipes in a threaded manner, and the air blower 4 is started to ventilate all the diversion channels 12.

After a period of time, the resident of the basement 1 can turn on the blower 4 and connect the air outlet pipe of the blower 4 with one or more diversion channels 12 to promote the air circulation in the diversion channels 12, prevent the odor accumulation and bacteria breeding in the diversion channels 12, and extrude the humid air in the diversion channels 12 to a certain extent, thereby reducing the air humidity in the diversion channels 12.

On the other hand, the application discloses a construction method of a waterproof structure of a basement 1 of an old community, which comprises the following specific steps:

a water collecting tank 21 is arranged at the bottom of the window well 2, and a water discharging assembly 3 is arranged in the water collecting tank 21;

measuring the height in the basement 1, and paying off the inner wall of the basement 1 by taking the height difference of the bottom wall of each 2 meters length as a standard, wherein the height difference is 1.5 cm;

a diversion trench 121 is formed according to the line of the inner wall of the basement 1, and a through hole 13 is arranged between the basement 1 and the window well 2, so that the diversion trench 121 is communicated with the window well 2;

a plurality of drainage holes 122 are obliquely formed in the inner wall of the diversion trench 121 at equal intervals on the top along the length direction of the diversion trench 121;

inserting the drainage plates 127 into the corresponding drainage holes 122, and placing the guide strips 123 fixed with the shielding net 124 into the drainage grooves 121;

a communicating groove 128 is formed on the inner wall of the basement 1, and all the diversion channels 12 are communicated through the communicating groove 128;

paving and fixing the anti-seepage wallboards 11 on the inner wall of the basement 1, and filling gaps between adjacent anti-seepage wallboards 11 with a sealing joint beautifying agent;

the blower 4 is fixed on the inner wall of the window well 2, and a through hole 13 is arranged in the through hole 13 to be internally threaded for the air outlet pipe of the blower 4 to be in threaded connection.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Old district basement waterproof construction, its characterized in that: the underground water treatment device comprises a basement (1), wherein a window well (2) is arranged on the outer side of a window of the basement (1), and a water collecting tank (21) is formed in the bottom of the window well (2);

an anti-seepage wallboard (11) is arranged on the inner wall of the basement (1), a waterproof layer (111) is arranged on the surface of the anti-seepage wallboard (11) facing the inner wall of the basement (1), a diversion channel (12) is arranged on the surface of the inner wall of the basement (1) facing the anti-seepage wallboard (11), the lowest position of the diversion channel (12) is communicated with the water collecting tank (21) through a window well (2), and the farther from the window well (2) in the diversion channel (12), the higher the lower wall of the diversion channel (12) is;

the diversion channel (12) comprises a plurality of diversion holes (122) and a diversion trench (121), the diversion trench (121) is formed along the inner wall surface of the basement (1), the diversion holes (122) are formed on the inner wall of the diversion trench (121) along the thickness direction of the basement wall, and the depth direction of the diversion holes (122) is formed along the thickness direction of the basement (1) wall.

2. The old district basement waterproof construction of claim 1, wherein: the diversion channels (12) are provided with a plurality of groups, and the diversion channels (12) are distributed on the inner wall of the basement (1) along the height direction.

3. The old district basement waterproofing structure according to claim 2, wherein: the lower surface of guiding gutter (121) is provided with strip water conservancy diversion strip (123) of laying along guiding gutter (121) length direction, the section shape of water conservancy diversion strip (123) is "U", just the opening direction of water conservancy diversion strip (123) is up.

4. A old district basement waterproofing structure according to claim 3, characterized in that: the drainage hole (122) is gradually inclined upwards in a direction away from the drainage groove (121).

5. A old district basement waterproofing structure according to claim 3, characterized in that: a shielding net (124) for shielding the opening above the flow guide strip (123) is arranged right above the flow guide strip (123).

6. The old district basement waterproof construction of claim 1, wherein: the water draining device is characterized by further comprising a water draining assembly (3) arranged in the water collecting tank (21), wherein the water draining assembly (3) comprises a liquid level switch (31) and a water pump (32) which are connected in series, and a water draining pipe of the water pump (32) and the window well (2) extend out.

7. The old district basement waterproof construction of claim 5, wherein: the section of shielding net (124) is "V" type, just the opening direction of shielding net (124) is unanimous with the opening direction of water conservancy diversion strip (123), drainage board (127) have been placed on the diapire of drainage hole (122), the bottom butt of drainage board (127) is in the opening of shielding net (124).

8. A old district basement waterproofing structure according to claim 3, characterized in that: a communication groove (128) is formed in the inner wall of the basement (1), all the guide strips (123) are communicated with the communication groove (128), a blower (4) is arranged in the window well (2), and an air outlet pipe of the blower (4) is communicated with the guide channel (12).