CN218028035U - Basement construction drainage system - Google Patents

Abstract

The utility model discloses a basement construction drainage system, which relates to the technical field of building drainage, and comprises a drainage ditch and a sedimentation basin, wherein the drainage ditch surrounds a basement construction site and is provided with a drainage ditch side wall and a drainage ditch bottom; the bottom of the drainage ditch is provided with a highest point and a lowest point, and the horizontal height of the highest point is higher than that of the lowest point; the settling pond is communicated with the lowest point. The utility model discloses a basement construction drainage system's structural design has simplified basement construction drainage system's construction volume, has promoted the drainage effect.

Description

Basement construction drainage system

Technical Field

The utility model relates to a building drainage technical field, in particular to basement construction drainage system.

Background

In the construction process of the basement, because the basement is generally lower than the ground level, the problem that underground water seeps out exists, and on the other hand, surface water caused by rainfall can also be collected and enter a construction site, the collection of the water can influence the construction quality and the construction process, especially the influence on the waterproof concrete construction of the foundation slab engineering is particularly serious, and if an effective dry land construction environment cannot be provided, the use function problem of the basement in the whole building can be influenced.

In order to solve the drainage problem in the basement construction process, the traditional technology mostly adopts a water pump to pump until the bottom of a pit dries, or pumps water after a trench is dug to collect water and stops pumping water before concrete is poured and pounded, and the water pump is taken away so as to ensure dry land construction. In the method, the filter medium avoids the blockage of the water pump, the construction progress is accelerated, but in the method, the pumping well needs to be excavated, the filter medium needs to be isolated, a water collecting ditch matched with the pumping well needs to be arranged, the construction amount is huge, the problem of blockage of the filter medium is considered, the filter medium needs to be regularly cleaned and replaced, and the construction amount is further increased.

Therefore, a basement construction drainage system needs to be designed to save construction amount and improve drainage effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a basement construction drainage system has simplified basement construction drainage system's construction volume, has promoted the drainage effect.

According to the utility model discloses basement construction drainage system of first aspect embodiment, include: the drainage ditch surrounds the basement construction site;

the drainage ditch is provided with a drainage ditch side wall and a drainage ditch bottom; the bottom of the drainage ditch is provided with a highest point and a lowest point, and the level of the highest point is higher than that of the lowest point;

a settling tank, the settling tank being in communication with the lowest point.

According to the utility model discloses basement construction drainage system has following beneficial effect at least:

(1) The utility model provides a drainage ditch has peak and minimum, and the level of peak is higher than the level of minimum, from this, converges the water in the drainage ditch, can independently flow, discharge under the effect of gravity, need not set up the water pump and draw water, and the water pump blocks up the risk when having more avoided adopting the water pump drainage among the traditional art, has simplified the construction volume that sets up drainage system on the whole.

(2) Generally, the water discharged in the construction of the building including the basement can be converged into a rainwater drainage network or a natural water body in the local municipal administration, but because the water discharged in the construction of the basement can contain a certain amount of silt and the like, if the water is directly discharged, the municipal drainage network can be blocked, and the water quality of the natural water body can also be influenced. The utility model discloses set up the sedimentation tank that communicates with the minimum in escape canal in basement construction drainage system, from this, construction waste water can subside earlier before discharge basement construction drainage system, avoids smuggleing secretly silt in the waste water to cause the burden to municipal drainage network or natural water.

According to the utility model discloses a some embodiments, the surface of escape canal bottom is equipped with the concrete cushion.

The concrete cushion layer has two functions, one of which is to protect the drainage ditch, so that the bottom of the drainage ditch is prevented from being washed by construction wastewater in the working process, namely, excessive silt impurities are prevented from being introduced when the construction wastewater passes through the drainage ditch; secondly, the basement construction site may have a slope or be horizontal, and if the basement construction site is horizontal, the highest point and the lowest point of the bottom of the drainage ditch can be obtained by adjusting the thicknesses of the concrete cushion layers at different positions; finally, the effect of automatically discharging the construction wastewater under the action of gravity is realized.

In addition, after the basement construction is completed, the basement construction drainage system is usually backfilled to optimize the building environment, so that whether the thickness of the concrete cushion layer is uniform or not does not affect the final building function and the building environment.

According to some embodiments of the present invention, the raw material for preparing the concrete cushion layer comprises concrete, and the grade of the concrete is at least one of C15, C20 and C25.

According to some embodiments of the present invention, the thickness of the concrete cushion is 80mm to 120mm.

According to some embodiments of the invention, the thickness of the concrete pad is about 100mm.

According to some embodiments of the utility model, the escape canal bottom is at least one in plane, cambered surface and the ladder surface.

According to some embodiments of the utility model, the surface of escape canal lateral wall is equipped with the inoxidizing coating.

The inoxidizing coating also can play the protection the escape canal lateral wall is not washed away, is collapsed to and building waste water does not introduce the effect of new silt in the escape canal.

According to some embodiments of the invention, the protective layer comprises a brick layer and a cement mortar layer stacked in sequence; the cement mortar layer is in direct contact with sewage discharged by the basement construction.

According to some embodiments of the present invention, the raw materials for preparing the brick layer include bricks and a binder.

According to some embodiments of the invention, the width of the brick is 120mm.

According to some embodiments of the invention, the material of the brick comprises at least one of cement, sand ash, sintered clay and porous shale.

For example, the brick includes at least one of cement brick, lime sand brick, red brick, and shale perforated brick.

According to some embodiments of the present invention, the binder is cement mortar, and the type of the cement mortar is at least one of M10, M15 and M20.

According to some embodiments of the present invention, the preparation raw material of the cement mortar layer includes at least one of 1:2 cement mortar, M10 cement mortar, M15 cement mortar and M20 cement mortar.

Wherein, the cement mortar of 1:2 means that 1 part by weight of cement and 2 parts by weight of mortar are mixed.

The cement mortar layer has certain water-proof effects, can avoid the waste water that basement construction produced, through the escape canal gos deep into the job site, influences the work progress.

According to some embodiments of the utility model, basement construction drainage system is still including covering the apron at escape canal top.

The cover plate can effectively prevent building materials and sundries in the basement construction process from entering the drainage ditch by mistake, and the running stability of the basement construction drainage system is improved.

According to some embodiments of the invention, the cover plate comprises at least one of a natural template, a synthetic template, a plastic plate; for example, the cover plate can be a waste wood formwork in a construction site, and the cover plate is spaced from the top of the drainage ditch, so that the collection of external water by the drainage ditch is not hindered.

According to some embodiments of the utility model, the escape canal with the hookup location of sedimentation tank is equipped with netted shelves thing.

According to some embodiments of the present invention, the mesh-shaped barrier is formed by welding steel bars. The reinforcing bar may satisfy a certain strength.

With the clearance the escape canal is compared, the clearance the sedimentation tank is comparatively difficult, netted shelves can avoid partial debris to get into the sedimentation tank.

According to some embodiments of the utility model, the cross section of escape canal is the rectangle, the scope of rectangle length of side is 300 ~ 1000mm.

According to some embodiments of the invention, the drainage ditch has a cross-sectional dimension of 300mm × 300mm.

According to some embodiments of the utility model, basement construction drainage system still be equipped with a plurality of sump pit of escape canal intercommunication.

The sump pit can play with sedimentation tank similar effect promptly in the escape canal course of work, intercept the silt of wrapping up in the construction waste water and hold under hand, further reduce the influence of construction waste water to the environment.

The water collecting well can also adjust the treatment capacity of the drainage ditch on the wastewater; that is, when the waste water flow is big, the sump pit can hold a part waste water, avoids it to escape the escape canal, destroys the dry land environment in construction site.

If the basement construction drainage system comprises the water collecting well, sediment deposited in the water collecting well needs to be cleaned when needed in order to ensure the normal work of the water collecting well.

According to the utility model discloses a some embodiments, according to the length of escape canal, the density that sets up of sump pit is 20 m/individual.

The density of the water collection wells is related to the amount of water to be discharged according to the design of the drainage system, and if the amount of water to be discharged is high, the density of the water collection wells can be properly increased, otherwise, the density of the water collection wells can be properly decreased.

According to some embodiments of the utility model, the sump pit has sump pit bottom and sump pit lateral wall, the surface of sump pit bottom and the surface of sump pit lateral wall are equipped with the isolation layer.

According to some embodiments of the invention, the raw material for preparing the isolation layer at the bottom of the water collecting well comprises concrete, and the grade of the concrete comprises at least one of C15, C20 and C25.

According to some embodiments of the invention, the thickness of the barrier layer at the bottom of the sump well is 300mm. The thickness of the isolation layer is related to the water capacity of the water collecting well, and the isolation layer can be adjusted according to actual conditions in the actual production and preparation process.

According to some embodiments of the utility model, the isolation layer of sump pit lateral wall is including the brick layer that is 240mm thick and cover the M10 mortar plastering that is 15mm thick on brick layer surface. The M10 mortar surface can be replaced by an M15 mortar surface or an M20 mortar surface; in the brick layer of 240mm, the brick comprises at least one of cement brick, sand-lime brick, red brick and shale perforated brick.

In the isolation layer on the side wall of the water collecting well, the preparation method and the function of the brick layer and the sand are similar to those of the protection layer on the side wall of the drainage ditch.

According to some embodiments of the invention, the sump well is shaped as a right parallelepiped with dimensions 800mm x 800mm.

According to some embodiments of the present invention, the number of stages of the settling basin is greater than or equal to 2.

According to some preferred embodiments of the present invention, the sedimentation tank is a tertiary sedimentation tank; therefore, a good sedimentation effect can be realized, and sundries such as silt and the like are prevented from entering the municipal rainwater drainage network; in addition, the floor area of the drainage system and the construction amount of the drainage system are prevented from being increased after the number of stages of the sedimentation tank is increased.

According to some preferred embodiments of the utility model, tertiary sedimentation tank includes first order sedimentation tank, second level sedimentation tank and the third level sedimentation tank that communicates in proper order.

According to some preferred embodiments of the utility model, be equipped with the water conservancy diversion mouth that switches on between first order sedimentation tank, second level sedimentation tank and the third level sedimentation tank.

According to some preferred embodiments of the present invention, the sedimentation tank is provided with a water outlet.

According to some preferred embodiments of the present invention, the water outlet is provided on a third stage sedimentation tank of the third stage sedimentation tank.

According to some preferred embodiments of the invention, the water outlet is provided with a filter device. Further avoid debris to flow into municipal rainwater drainage network.

According to some preferred embodiments of the present invention, the water outlet is in communication with a municipal rainwater drainage network.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

If there is no special description, the size in the present invention all represents the inner wall size of the corresponding position.

Unless otherwise specified, "about" in the present invention means an allowable error of ± 2%, for example, about 100mm, and means an actual thickness during construction of 98mm to 102mm.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is the utility model relates to a basement construction drainage system structure sketch map of embodiment.

Fig. 2 is a partial sectional view of the area a in fig. 1.

Fig. 3 is a partial top view of the area a in fig. 1.

Fig. 4 is a partial top view of the area B in fig. 1.

Fig. 5 is a schematic view of a foundation pit drainage system in the prior art.

Reference numerals:

a drainage ditch 100; a peak 110; a drain bottom 120; a drain side wall 130; a lowest point 140;

a sedimentation tank 200; a first stage settling tank 210; a second stage settling tank 220; a third stage settling tank 230; a water outlet 240; a diversion port 250;

a water collection well 300; a sump bottom 310; a sump well sidewall 320;

a drainage well 410; a water collection trench 420; a steel drain cylinder 430; a water pump 440; a water extraction pipe 450; a steel mesh well cover 460; a pebble layer 470.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 5, the conventional foundation pit drainage system is composed of the following components: the drainage well 410 is communicated with a plurality of water collecting ditches 420, the drainage well 410 and the water collecting ditches 420 are both arranged below the bottom plate of the foundation pit, the upper end of the drainage well 410 is communicated with a steel drainage cylinder 430, the upper end of the steel drainage cylinder 430 extends out of the upper part of the foundation pit, a water suction pump 440 is arranged in the drainage well 410, and a steel plate mesh well cover 460 is arranged in the steel drainage cylinder 430; the water outlet of the water pump 440 is connected with a water pumping pipeline 450, and the water outlet of the water pumping pipeline 450 extends out of the upper end of the steel drainage cylinder 430; still be provided with steel sheet net well lid 460 in the drainage well 410, steel sheet net well lid 460 is located the suction pump 440 top, and steel sheet net well lid 460 place plane is less than the export water place plane of catch basin 420, has piled up cobble layer 470 in the top of steel sheet net well lid 460.

Referring to fig. 5, it can be understood that the conventional foundation pit drainage system requires a filter layer and an electrically driven water pump to pump water, and most importantly, a drainage well 410 is dug and associated facilities are provided, and the construction measures of the drainage system are large.

Referring to fig. 1, a drainage system for basement construction according to an embodiment of the present invention includes a drainage ditch 100 surrounding a basement construction site, and a settling basin 200; the drainage ditch 100 has a highest point 110 and a lowest point 140, the level of the highest point 110 is higher than that of the lowest point 140; settling pond 200 is in communication with nadir 140. Thus, water in the drainage 100 can flow under gravity into the settling tank 200, wherein the direction of the water flow is indicated by the arrows in fig. 1.

Referring to fig. 2 and 3, it will be appreciated that the drain 100 has a drain side wall 130 and a drain bottom 120. A concrete cushion layer paved by C15 concrete is arranged on the bottom 120 of the drainage ditch, and when the gradient of the basement construction area is more than 0 (namely, drainage under the action of gravity can be realized), the thickness of the concrete cushion layer can be uniform, namely about 100mm; on escape canal lateral wall 130, be equipped with the brick course that 120 thick standard brick M10 cement mortar were built by laying bricks or stones, brick course surface is with 1:2, plastering cement mortar; therefore, the water in the drainage ditch 100 does not seep out, i.e., does not affect the environment of basement construction.

It is further understood that the drain bottom 120 may be shaped as a flat surface, a step, and a curved surface (not shown); as long as the gravity action is satisfied;

it will further be appreciated that the gutter 100 is covered with a cover plate (not shown) to prevent large debris from the environment from entering the gutter 100 and interfering with its proper operation.

It will be further appreciated that in order to avoid the large volume of impurities in the drain 100 from entering the settling tank 200, a mesh barrier may be provided at the lowest point 140 of the drain 100.

It will be further appreciated that the configuration and dimensions of the gutter 100 may be adapted to the construction requirements, for example the cross-section may be rectangular and the dimensions of the cross-section may be 300mm by 300mm.

Referring to fig. 1 and 4, it can be understood that the settling pond 200 has a number of stages greater than or equal to 2, such as 3, and when the settling pond 200 is a three-stage settling pond, it is composed of a first-stage settling pond 210, a second-stage settling pond 220 and a third-stage settling pond 230, wherein the first-stage settling pond 210 is communicated with the lowest point 140; a flow guide port 250 for conduction is arranged between two adjacent stages of sedimentation tanks; the third stage sedimentation tank 230 is provided with a water outlet 240, and the water outlet 240 is connected with a municipal rainwater drainage network. Thus, the water from the drainage ditch 100 is settled in the settling basin 200, and the water with a small silt content is discharged into the municipal rainwater drainage network through the water outlet 240.

It will be further appreciated that in order to avoid insufficient sedimentation of the sedimentation basin 200 and a high mud content of water discharged from the water outlet 240, which may lead to a failure of the municipal rainwater drainage network, a filtering device (not shown) is provided at the water outlet 240.

Referring to fig. 1 to 3, it can be understood that the basement construction drainage system is further provided with a plurality of catch basins 300 communicated with the drainage ditch 100. The water collecting well 300 has water storage capacity, so that the drainage capacity of the basement construction drainage system can be improved; the water collecting well 300 has a certain depth and can have the sedimentation function of the sedimentation tank 200; thereby further reducing the amount of silt that drains into municipal storm drain nets.

It will be appreciated that in order to ensure communication between the drain 100 and the collector 300, the drain 100 may be provided with a side wall that is removed from the collector 300 to ensure that water therein is directed into the collector 300, as shown in fig. 3.

As will be understood by referring to fig. 1, the density of the sump 300 may be designed according to the flow rate of water to be drained at a construction site, for example, one sump 100 may be provided every 20 m.

Referring to fig. 2-3, it will be appreciated that the collector well 300 has a collector well bottom 310 and collector well sidewalls 320.

It is further understood that in order to prevent the seepage of water from the collector well 300 from affecting the environment of the construction site, the surface of the collector well bottom 310 and the collector well side wall 320 is provided with an isolation layer (not shown).

It is further understood that the material of the isolation layer may be designed according to construction cost and construction requirement, for example, the isolation layer at the bottom 310 of the water collecting well may be a concrete cushion layer with a thickness of 300mm prepared from C15 concrete; the side wall 320 of the collector well may be a 240mm thick course of bricks and a 15mm thick M10 mortar coating applied to the surface of the course of bricks.

It will be further understood that the structure and size of the water collecting well 300 can be designed according to actual requirements, and for example, it can be a straight parallelepiped of 800mm × 800mm × 800mm.

It can be further understood that, in order to ensure the structural stability of the basement construction drainage system, a side slope (not shown in the figure) is arranged on one side of the basement construction drainage system, which is far away from a basement construction site; around the basement construction drainage system, all adopt C15 concrete to carry out the terrace hardening including above-mentioned side slope.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a basement construction drainage system which characterized in that includes:

the drainage ditch (100), the drainage ditch (100) encircles the basement construction site;

the drain (100) having a drain side wall (130) and a drain bottom (120); the drain bottom (120) has a highest point (110) and a lowest point (140), the highest point (110) having a higher level than the lowest point (140);

a settling tank (200), the settling tank (200) in communication with the lowest point (140).

2. The basement construction drainage system of claim 1, wherein the drainage ditch bottom (120) surface is provided with a concrete cushion.

3. The basement construction drainage system of claim 1, wherein the drainage ditch bottom (120) is at least one of planar, cambered, and stepped.

4. The basement construction drainage system of claim 1, further comprising a plurality of water collection wells (300) in communication with the drainage ditch (100).

5. The basement construction drainage system of claim 1, wherein the settling pond (200) is provided with a water outlet (240).

6. The basement construction drainage system of claim 5, wherein the water outlet (240) is provided with a filtering device.

7. The basement construction drainage system according to any one of claims 1 to 6, wherein the number of stages of the sedimentation basin (200) is greater than or equal to 2.

8. The basement construction drainage system according to any one of claims 1 to 6, wherein the surface of the drainage ditch side wall (130) is provided with a protective layer.

9. The basement construction drainage system of claim 4, wherein the water collection well (300) is provided with a water collection well bottom (310) and a water collection well side wall (320), and the surface of the water collection well bottom (310) and the surface of the water collection well side wall (320) are provided with an isolation layer.

10. The basement construction drainage system according to any one of claims 1 to 6, wherein the drainage ditch (100) has a rectangular cross section, and the side length of the rectangle ranges from 300mm to 1000mm.

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