CN211312568U

CN211312568U - Deep basal pit drainage structures convenient to construction

Info

Publication number: CN211312568U
Application number: CN201922085381.9U
Authority: CN
Inventors: 范义均; 邹琼芳; 宁刚强; 吴军; 张志强
Original assignee: Sichuan Oupeng Construction Engineering Co ltd
Current assignee: Sichuan Oupeng Construction Engineering Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-21
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a deep basal pit drainage structures convenient to construction belongs to foundation ditch drainage field, including the foundation ditch body, be provided with the diaphragm wall on the inside wall of foundation ditch body, be provided with the escape canal on the diapire of foundation ditch body, the escape canal sets up along the length direction of every inside wall of foundation ditch body, be provided with multiunit drainage assembly on the continuous wall, drainage assembly includes that two drainage are responsible for, two drainage are responsible for wholly to be "X" shape and set up on the continuous wall, the one end that the drainage was responsible for extends to in the escape canal, the drainage is responsible for and is provided with a plurality of drainage branch pipes along the even interval of length direction that the drainage was responsible for, drainage branch pipe and drainage are responsible for the intercommunication, it is originally internal that the drainage branch pipe runs through the diaphragm wall and extends to the foundation ditch.

Description

Deep basal pit drainage structures convenient to construction

Technical Field

The utility model belongs to the technical field of the technique of foundation ditch drainage and specifically relates to a deep basal pit drainage structures convenient to construction is related to.

Background

The deep foundation pit refers to a project which has an excavation depth of more than 5 meters (including 5 meters), or has a depth of less than 5 meters, but has particularly complicated geological conditions, surrounding environments and underground pipelines. When a deep foundation pit is excavated, a soil aquifer is cut off, and underground water can continuously infiltrate into the foundation pit to cause quicksand and slope instability or reduce the bearing capacity of the foundation, so that drainage of the deep foundation pit is one of the most important links in foundation pit construction.

The existing Chinese patent with the publication number of CN207538059U discloses a foundation pit drainage structure, which comprises a continuous wall, wherein a drainage hole is formed in the continuous wall, a drainage ditch is formed in the position, in contact with the continuous wall, of the bottom of the foundation pit, a drainage pump for pumping accumulated water in the drainage ditch out of the foundation pit is arranged in the drainage ditch, and a drainage pipe is connected in the drainage hole.

The above prior art solutions have the following drawbacks: in the use, during groundwater in the foundation ditch rear soil can pass through the wash port and get into the drain pipe, then collect in getting into the escape canal, start the drain pump to discharge the rainwater of collecting in the escape canal outside the foundation ditch, but because the quantity of wash port and wash port is more, all need a large amount of manpowers when the installation with dismantle the drain pipe, it is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deep basal pit drainage structures convenient to construction and use manpower sparingly.

The utility model aims at realizing through the following technical scheme:

the utility model provides a deep basal pit drainage structures convenient to construction, includes the foundation ditch body, be provided with the diaphragm wall on the inside wall of foundation ditch body, be provided with the escape canal on the diapire of foundation ditch body, the escape canal sets up along the length direction of every inside wall of foundation ditch body, be provided with multiunit drainage subassembly on the continuous wall, drainage subassembly includes that two drainage are responsible for, two the drainage is responsible for wholly to be "X" shape and sets up on the continuous wall, the one end that the drainage was responsible for extends to in the escape canal, the drainage is responsible for and is provided with a plurality of drainage branch pipes along the even interval of the length direction that the drainage was responsible for, drainage branch pipe and drainage are responsible for the intercommunication, it is originally internal that drainage branch pipe runs through the diaphragm wall and extends to.

By adopting the technical scheme, after the construction of the foundation pit body and the continuous wall is finished, the continuous wall is provided with the hole and penetrates into the soil body of the foundation pit body, then the two main drainage pipes are arranged on the continuous wall, the branch drainage pipes on the main drainage pipes are inserted into the foundation pit body through the openings, the two main drainage pipes are arranged on the continuous wall in an X shape, so that the water in the soil of the foundation pit body can enter the main drainage pipes through the branch drainage pipes, and finally discharged into the drainage ditch through the main drainage pipe, thus realizing the drainage of the deep foundation pit, and by arranging the two main drainage pipes on the continuous wall in an X shape, the number of the main drainage pipes is reduced under the condition of not influencing the drainage range of the main drainage pipes, therefore, the installation and the disassembly of the main drainage pipe are more convenient, and the labor required for installing and disassembling the main drainage pipe is saved.

The utility model discloses further set up to: and the water permeable holes are uniformly distributed on the drainage branch pipe along the length direction of the drainage branch pipe and penetrate through the side wall of the drainage branch pipe.

Through adopting above-mentioned technical scheme, set up the hole of permeating water on the drainage branch pipe, improved the infiltration efficiency of drainage branch pipe for moisture in the soil of foundation ditch body can permeate in the drainage branch pipe better.

The utility model discloses further set up to: the drainage branch pipe is sleeved with a filter layer, and the filter layer consists of a filter cloth sleeve and sand filled in the filter cloth sleeve.

Through adopting above-mentioned technical scheme, the setting of filter layer can prevent that soil etc. from getting into in the drainage bronchus, and the filter layer that filter cloth cover and grit are constituteed can provide better filter effect.

The utility model discloses further set up to: the drainage branch pipe extends into the foundation pit body in an inclined mode, and the lower end of the drainage branch pipe is communicated with the drainage main pipe.

Through adopting above-mentioned technical scheme, insert the drainage branch pipe slope to the foundation ditch originally internally for the water that gets into infiltration drainage branch pipe can get into the drainage main pipe better in, can prevent to a certain extent that moisture from being detained the condition in the drainage branch pipe.

The utility model discloses further set up to: the continuous wall is provided with fixing rings, the fixing rings are located at two ends of each main drainage pipe in the length direction, the fixing rings are sleeved on the main drainage pipes, and the fixing rings are connected with the continuous wall through fixing bolts.

By adopting the technical scheme, the position of the main drainage pipe can be further fixed by the fixing ring, so that the main drainage pipe can be better fixed on the continuous wall, and when the main drainage pipe is disassembled, the fixing ring is separated from the continuous wall only by screwing out the fixing bolt, so that the main drainage pipe can be taken down.

The utility model discloses further set up to: the two main drainage pipes are communicated with each other at the crossed positions.

By adopting the technical scheme, the two main drainage pipes are communicated with each other, so that the moisture on the upper part of the main drainage pipe can be discharged from any main drainage pipe, and the water in the main drainage pipe can be better discharged from the main drainage pipe.

The utility model discloses further set up to: the bottom of foundation ditch body is provided with the catch basin, the escape canal sets up with the catch basin intercommunication, be provided with the drain pump in the catch basin, be provided with the discharge pipe on the output of drain pump, the discharge pipe extends to outside the foundation ditch body.

Through adopting above-mentioned technical scheme, the water in the escape canal can converge in the sump, and the drain pump through in the sump is whole to be discharged at last, has reduced required drain pump quantity, has saved the material resources.

To sum up, the utility model discloses a beneficial technological effect does:

through set up on the continuous wall by two drainage that are "X" shape be responsible for, be provided with on the drainage is responsible for and insert this internal drainage branch pipe of foundation ditch, discharge to the drainage main pipe in with the soil of foundation ditch body through drainage branch pipe, and finally discharge outside the foundation ditch, thereby the drainage of foundation ditch has been realized, and the drainage of "X" is responsible for when having guaranteed the drainage scope, the quantity that required drainage was responsible for has been reduced, thereby make the installation of drainage person in charge and dismantle convenient and use manpower sparingly more.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the present invention for showing a drainage assembly;

FIG. 3 is a schematic diagram of a partial explosion structure of an explosion filter layer and a branch drain pipe according to an embodiment of the present invention;

fig. 4 is a schematic sectional structure diagram of an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

In the figure, 1, a foundation pit body; 11. a drainage ditch; 12. a water collecting tank; 121. draining pump; 122. a discharge pipe; 2. a continuous wall; 21. a fixing ring; 3. a drainage assembly; 31. a main drainage pipe; 32. a drain branch pipe; 321. water permeable holes; 322. a filter layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a deep foundation pit drainage structures convenient to construction, including foundation pit body 1, be provided with continuous wall 2 on the inside wall of foundation pit body 1, be provided with escape canal 11 on the diapire of foundation pit body 1, escape canal 11 sets up along the length direction of every inside wall of foundation pit body 1, be provided with multiunit drainage assembly 3 on continuous wall 2, drainage assembly 3 includes two main drainage pipes 31, two main drainage pipes 31 wholly take the form of "X" and set up on continuous wall 2, one end of main drainage pipe 31 extends to in escape canal 11, main drainage pipe 31 is last to communicate and is provided with a plurality of branch drainage pipes 32, a plurality of branch drainage pipes 32 are along the length direction uniform interval setting of main drainage pipe 31, branch drainage pipe 32 runs through continuous wall 2 and extends to in foundation pit body 1; in order to make the main drain pipes 31 drain better, the positions where the two main drain pipes 31 intersect communicate with each other.

After the foundation pit body 1 and the continuous wall 2 are constructed, the main drainage pipe 31 and the branch drainage pipes 32 are installed on the continuous wall 2, water in soil of the foundation pit body 1 can permeate the branch drainage pipes 32 and enter the main drainage pipe 31, and finally the main drainage pipe 31 is arranged in the drainage ditch 11 through the main drainage pipe 31, the two main drainage pipes 31 arranged in an X shape reduce the number of the main drainage pipes 31, so that the main drainage pipe 31 is more convenient to construct, and manpower is saved.

Referring to fig. 2, a plurality of water permeable holes 321 are uniformly distributed on the branch drain pipe 32 along the length direction of the branch drain pipe 32, the water permeable holes 321 penetrate through the side wall of the branch drain pipe 32, a filter layer 322 is sleeved on the branch drain pipe 32, the filter layer 322 is composed of a filter cloth sleeve and sand filled in the filter cloth sleeve, water in the soil of the foundation pit body 1 is filtered by the filter layer 322, the water can permeate into the branch drain pipe 32 through the water permeable holes 321 and is discharged through the branch drain pipe 32, and in order to prevent the water from being retained in the branch drain pipe 32, the branch drain pipe 32 is obliquely arranged, the higher end of the branch drain pipe 32 extends into the foundation pit body 1, and the lower end is communicated with the main drain pipe 31.

Referring to fig. 3, fixing rings 21 are arranged at two ends of the continuous wall 2 in the length direction of each main drainage pipe 31, the fixing rings 21 are sleeved on the main drainage pipes 31, and the fixing rings 21 are connected with the continuous wall 2 through fixing bolts; after the branch drain pipes 32 are inserted, the position of the main drain pipe 31 is fixed by the fixing ring 21, and the fixing effect of the main drain pipe 31 on the diaphragm wall 2 is further improved.

Referring to fig. 4, a water collecting tank 12 is arranged at the bottom of the foundation pit body 1, the water collecting tank 12 is located at one corner of the foundation pit body 1, a drainage ditch 11 is arranged to communicate with the water collecting tank 12, a drainage pump 121 is arranged in the water collecting tank 12, a drainage pipe 122 is arranged at the output end of the drainage pump 121, and the drainage pipe 122 extends out of the foundation pit body 1; the water in the drainage ditch 11 can be completely gathered in the water collecting tank 12, the drainage pump 121 can be opened again, so that the water can be drained out of the foundation pit body 1 from the drainage pipe 122, the number of the drainage pumps 121 required by the arrangement of the water collecting tank 12 is reduced, and material resources are saved.

The implementation principle of the embodiment is as follows: after foundation pit body 1 and diaphragm wall 2 construction are finished, carry out the installation of drainage main pipe 31 and drainage branch pipe 32, make drainage branch pipe 32 insert in the soil of foundation pit body 1, make moisture in the soil of foundation pit body 1 permeate in drainage branch pipe 32, then get into in drainage main pipe 31 through drainage branch pipe 32, the rethread drainage main pipe 31 is arranged in escape canal 11, the whole discharges of catch basin 12 that converges at last, so just realized the drainage of deep basal pit, through being "X" shape with two drainage main pipes 31 and laying on diaphragm wall 2, under the condition that does not influence the drainage scope of drainage main pipe 31, the required quantity of drainage main pipe 31 has been reduced, thereby make the installation and the dismantlement of drainage main pipe 31 all more convenient, and saved the required manpower of installation and dismantlement drainage main pipe 31.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a deep basal pit drainage structures convenient to construction, includes foundation ditch body (1), be provided with continuous wall (2) on the inside wall of foundation ditch body (1), be provided with escape canal (11) on the diapire of foundation ditch body (1), escape canal (11) set up its characterized in that along the length direction of every inside wall of foundation ditch body (1): be provided with multiunit drainage subassembly (3) on diaphragm wall (2), drainage subassembly (3) are responsible for (31), two including two drainage be responsible for (31) whole be "X" shape and set up on diaphragm wall (2), the one end that the drainage was responsible for (31) extends to in escape canal (11), the drainage is responsible for (31) and goes up along the even interval of length direction that the drainage was responsible for (31) and be provided with a plurality of drainage branch pipes (32), drainage branch pipe (32) are responsible for (31) with the drainage and communicate, drainage branch pipe (32) run through diaphragm wall (2) and extend to in foundation ditch body (1).

2. The deep foundation pit drainage structure convenient to construct of claim 1, wherein: and water permeable holes (321) are uniformly distributed in the branch drainage pipes (32) along the length direction of the branch drainage pipes (32), and the water permeable holes (321) penetrate through the side walls of the branch drainage pipes (32).

3. The deep foundation pit drainage structure convenient to construct of claim 2, wherein: the water draining branch pipe (32) is externally sleeved with a filtering layer (322), and the filtering layer (322) is composed of a filtering cloth sleeve and sand filled in the filtering cloth sleeve.

4. The deep foundation pit drainage structure convenient to construct of claim 1, wherein: the drainage branch pipe (32) extends into the foundation pit body (1) in an inclined mode, and the lower end of the drainage branch pipe (32) is communicated with the drainage main pipe (31).

5. The deep foundation pit drainage structure convenient to construct of claim 1, wherein: be provided with solid fixed ring (21) on diaphragm wall (2), gu fixed ring (21) are located every drainage and are responsible for (31) length direction's both ends, gu fixed ring (21) cover is established on drainage is responsible for (31), gu fixed ring (21) are connected with diaphragm wall (2) through fixing bolt.

6. The deep foundation pit drainage structure convenient to construct of claim 1, wherein: the two main drainage pipes (31) are communicated with each other at the crossed positions.

7. The deep foundation pit drainage structure convenient to construct of claim 1, wherein: the bottom of foundation ditch body (1) is provided with catch basin (12), escape canal (11) and catch basin (12) intercommunication set up, be provided with drain pump (121) in catch basin (12), be provided with discharge pipe (122) on the output of drain pump (121), discharge pipe (122) extend to outside foundation ditch body (1).