CN206189379U - Concrete composite foundation is used in sponge city - Google Patents

Abstract

The utility model discloses a concrete composite foundation is used in sponge city, its technical scheme main points are concrete composite foundation is used in sponge city, the blind drainage ditch that lays including X -shaped stake and upper portion and the composite cushion of geogrid formation, a plurality of drainage modules of having arranged between adjacent X -shaped stake, the drainage module is including being the frame that the cube set up, by lower supreme gravel layer, geotechnological straw mats, the water -storage layer of having set gradually in the frame. The utility model discloses a concrete composite foundation is used in sponge city can in time impound and deposit water, utilizes the water release that stores when needing, avoids rotting of ground, guarantees the structural stability of building, helps alleviating urban waterlogging.

Description

A kind of sponge city concrete composite foundation

Technical field

The utility model is related to a kind of composite foundation, more specifically, it relates to a kind of sponge city is compound with concrete Ground.

Background technology

With the development of reinforced concrete building technology, present building construction major part is by armored concrete as ground Use, and composite foundation bearing capacity is strong, and sedimentation is small and uniform, has especially obtained extensive in for the treatment of soft subgrade soil matter With, but the draining of composite foundation is always the emphasis of numerous technical specialist's concerns in the prior art.

Foundation drainage method of the prior art uses and horizontal and vertical drain bar is set in ground mostly, using firm Property drainage pile, in pile body side, drainage pipeline etc. is set, but these methods are required for increasing extra operation eliminating stake week The moisture for enclosing, when urban rainwater weather and waterlogging is run into, easily alluvial causes ground unstable to these rainwater, causes safety hidden Suffer from.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of sponge city concrete to answer Ground is closed, the drainage module by setting with water suction water storage function is placed between pile foundation, so as to rainwater weather or city The rainwater produced during city's waterlogging absorbs storage in time, and can distribute in time, so as to improve the waterlogging-resistant of building lot Ability.

To achieve the above object, the utility model provides following technical scheme：A kind of sponge city is compound with concrete Ground, including the composite cushion that X-shaped and its weeper drain and GSZ of top laying are formed, between the stake of adjacent X-shaped Some drainage modules are placed with, the drainage module includes the framework set in cube, in the framework from the bottom to top successively It is provided with sand stone layer, geotechnological straw mats, aquifer.

By using above-mentioned technical proposal, the drainage module for being arranged between adjacent X-shape some is used to fully absorb The accumulation of rainwater when there is rainwater or urban waterlogging, the rain for being stored these by volatilization and transpiration when weather is good Water disperses, so as to effectively alleviate the harm that urban waterlogging brings, wherein drainage module includes the framework set in cube, in frame Sand stone layer, geotechnological straw mats and aquifer are disposed with frame from the bottom to top, are used to increase composite foundation by sand stone layer Stability, geotechnological straw mats are discharged in order using its unique drain function to the rainwater or sewage that permeate, without making Into silting, setting aquifer is stored for adsorbing rainwater above geotechnological straw mats, it is to avoid all carried out by weeper drain Draining, so as to cause the blockage problem of weeper drain, the rainwater produced during this makes it possible to rainwater weather or urban waterlogging Storage is absorbed in time, and can be distributed in time, so as to improve the waterlogging-resistant ability of building lot.

Preferably, the framework is made up of cement steel cage or concrete block.

By using above-mentioned technical proposal, by framework be arranged to cement steel cage or concrete block to be made be to protect Demonstrate,prove the overall construction intensity of drainage module, so as to improve the stability of composite foundation, and can effectively protect-ing frame structure it is built-in Aquifer, geotechnological straw mats and sand stone layer.

Preferably, the sand stone layer includes the gabion box filled with some stones.

It is made up of the gabion box filled with some stones by using above-mentioned technical proposal, sand stone layer, gabion box is used for Limitation is played a part of to stone, it is to avoid the something lost of stone falls, while these stones can be effectively increased the overall matter of drainage module Amount, will not be subjected to displacement, when being placed between adjacent X-shaped pile foundation even if submerged in water also can more consolidate.

Preferably, the framework surface offers some honeycomb through holes.

By using above-mentioned technical proposal, the surface of framework is provided with some honeycomb through holes, honeycomb through hole is set Main purpose is that, in order to allow to for water to be drained into lower portion, and cellular structure ensure that framework with a lot Structural strength higher can be still kept in the case of hole, the drainage module intensity of itself is not interfered with.

Preferably, the aquifer is water-absorbing sponge.

By using above-mentioned technical proposal, aquifer is that water-absorbing sponge is made, and water-absorbing sponge can adsorb substantial amounts of rain Water is without deforming, and water-holding capacity is strong, and when weather preferably can be by rising or volatilization by water-absorbing sponge Moisture all evaporate, it is achieved thereby that retaining discharge function.

Preferably, the water-absorbing sponge and geotechnological straw mats are coated with non-woven fabrics.

By using above-mentioned technical proposal, it is to improve to be coated with non-woven fabrics on water-absorbing sponge and geotechnological straw mats The filter capacity of water-absorbing sponge and geotechnological straw mats, it is to avoid the impurity in rainwater is blocked in water-absorbing sponge or geotechnological straw mats and causes Block, so as to the ability that the retaining for slowing down drainage module discharges water.

Preferably, the drainage module is located at weeper drain top.

By using above-mentioned technical proposal, drainage module is arranged on the top of weeper drain, so through filter water module Rainwater after water suction filtering can be discharged directly by weeper drain, the row of the weeper drain now alleviated significantly Water, and blocking will not be formed in weeper drain by the rainwater after filtering, being capable of preferably draining.

Preferably, being equipped with metalling in the weeper drain.

By using above-mentioned technical proposal, metalling is laid in weeper drain to be used to play a role in filtering, and alleviates current Impact and cause the impurity in weeper drain to collect blocking, and the stability of ground can be effectively increased, it is ensured that building Structural strength.

The utility model tool has the advantage that compared with prior art：Arranged between adjacent X some drainages Module, is discharged into weeper drain, after on the one hand carrying out filtration for the rainwater that will be penetrated into composite foundation so as to keep away Exempt from the blocking of weeper drain, it is ensured that the smoothness of draining, while drainage module can effectively carry out retaining drainage, So as to when waterlogging occurring causing excessive rainfall, the drainage module water that can absorb water is kept in, when weather improves by waving Hair and transpiration discharge, so as to improve the waterlogging-resistant ability in city.

Brief description of the drawings

Fig. 1 is a kind of planar structure schematic diagram of sponge city concrete composite foundation of the utility model, is mainly used in Show the planar arrangement of composite foundation；

Fig. 2 is the stereochemical structure half sectional view of drainage module, is mainly used in showing the concrete structure of drainage module.

In figure：1st, X-shaped stake；2nd, GSZ；3rd, weeper drain；4th, drainage module；41st, framework；42nd, honeycomb through hole；43、 Open and close door；5th, aquifer；6th, geotechnological straw mats；7th, sand stone layer.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

A kind of sponge city concrete composite foundation, is embedded in as shown in figure 1, being included in ground and being provided with some X-shaped stake 1 in soil, in the composite pad that the weeper drain 3 and GSZ 2 of the upper surface part laying of adjacent X-shaped stake 1 are formed Layer, while the drainage module 4 of some uniform arrangements is provided between adjacent X-shaped stake 1, it is whole compound in order to show in Fig. 1 The integral layout of ground, illustrate only the drainage module 4 set between the adjacent X-shaped stake 1 in part, during practice of construction, can With the entire area according to composite foundation, the size of drainage module 4 is set, drainage module 4 is arranged in the form of array multiple Close in ground.

As shown in Fig. 2 the framework 41 including being set in cube, framework 41 can be with for the wherein internal structure of drainage module 4 It is made up of cement steel cage or concrete, opening is offered in the upper surface of framework 41, open and close door 43 is hinged with opening, The material of open and close door 43 is made up of concrete, for closing at opening, sand stone layer 7, sandstone is mounted with successively in framework 41 Layer 7 includes the gabion box filled with stone, and geotechnological straw mats 6 are mounted with above gabion box, and geotechnological straw mats 6 are coated with nonwoven Cloth, aquifer 5 is mounted with the top of geotechnological straw mats 6, and aquifer 5 is made up of water-absorbing sponge, while water-absorbing sponge is also coated with Non-woven fabrics, such sand stone layer 7, geotechnological straw mats 6 and aquifer 5 are complete by the space filling inside framework 41, while framework 41 Surface offer some honeycomb through holes 42, each surface that honeycomb through hole 42 is evenly distributed on framework 41 is used for for rainwater Circulation.

When urban inner occur waterlogging or larger rainwater when, rain penetration to building lot once, now can through filter Water module 4, first non-woven fabrics can be filtered the impurity in rainwater, and secondly the water-absorbing sponge of aquifer 5 carries out water sorption Used as retaining, then again by geotechnological straw mats 6, geotechnological straw mats 6 are a kind of new geotechnique's synthesis with sleave melting lapping Material, can high pressure resistant and perforate density it is big, so in the space of closing covering, will collect penetrate into the space rain it is dirty Water conservancy its structure realize it is comprehensive catchment, the function of horizontal drainage, silting will not be formed, while can also avoid being inhaled because of soil Water saturation and produce the problem of slip, then flowed out by sand stone layer 7, simultaneously as the routed underneath of drainage module 4 has draining French drain 3, such rainwater can be just flowed into weeper drain 3 after through filter water module 4, be equipped with broken in weeper drain 3 Rock layers, flow velocity for alleviating rainwater, and impurity to mixing in rainwater are filtered, it is to avoid impurity congestion is blind in draining The water outlet of ditch 3, this makes it possible to the situation for alleviating urban waterlogging, and when it's clearing up, by rising and volatilization Effect, the water energy that aquifer 5 is stored enough is evaporated, so as to improve city humidity, alleviates greenhouse effects, while ensure that building ground The stability of base, will not occur the unstable situation of foundation because of waterlogging.

Claims (8)

1. a kind of stake of sponge city concrete composite foundation, including X-shaped（1）And its weeper drain of top laying（3）And soil Work grid（2）The composite cushion of formation, it is characterised in that：In the stake of adjacent X-shaped（1）Between be placed with some drainage modules（4）, institute State drainage module（4）Including the framework set in cube（41）, the framework（41）Sandstone is inside disposed with from the bottom to top Layer（7）, geotechnological straw mats（6）, aquifer（5）.

2. a kind of sponge city concrete composite foundation according to claim 1, it is characterised in that：The framework（41） It is made up of cement steel cage or concrete block.

3. a kind of sponge city concrete composite foundation according to claim 1, it is characterised in that：The sand stone layer （7）Including the gabion box filled with some stones.

4. a kind of sponge city concrete composite foundation according to claim 2, it is characterised in that：The framework（41） Surface offers some honeycomb through holes（42）.

5. a kind of sponge city concrete composite foundation according to claim 1, it is characterised in that：The aquifer （5）It is water-absorbing sponge.

6. a kind of sponge city concrete composite foundation according to claim 5, it is characterised in that：The water-absorbing sponge And geotechnological straw mats（6）It is coated with non-woven fabrics.

7. a kind of sponge city concrete composite foundation according to claim 1, it is characterised in that：The drainage module （4）Positioned at weeper drain（3）Top.

8. a kind of sponge city concrete composite foundation according to claim 7, it is characterised in that：The weeper drain （3）Inside it is equipped with metalling.