CN106836248A - The water storage structure and its construction method of basement - Google Patents
The water storage structure and its construction method of basement Download PDFInfo
- Publication number
- CN106836248A CN106836248A CN201710027482.3A CN201710027482A CN106836248A CN 106836248 A CN106836248 A CN 106836248A CN 201710027482 A CN201710027482 A CN 201710027482A CN 106836248 A CN106836248 A CN 106836248A
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- drainpipe
- base plate
- wall
- water storage
- basement
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
The present invention relates to the water storage space and its construction method of a kind of basement, basement includes base plate and encloses the wall on base plate, and wherein water storage structure includes：It is oppositely arranged with base plate and encloses to form water storage space with the top board of the wall connecting of surrounding, top board, base plate and the wall part between top board and base plate；It is embedded in the first drainpipe in base plate, the soil layer under the first drainpipe connection water storage space and base plate；And it is embedded in the soil layer of the second drainpipe in wall, the second drainpipe connection water storage space and wall outer side.The underground water in soil layer under base plate of the present invention is entered into water storage structure by pressure via the first drainpipe, avoid the groundwater pressure and buoyancy is produced to base plate, the inside and outside differential pressure of balance can finally be formed, base plate avoids differential settlement because of no buoyancy, and then will not also produce cracking and cause the problem of seepage.
Description
Technical field
The present invention relates to the realm of building construction, the water storage structure and its construction method of espespecially a kind of basement.
Background technology
In the realm of building construction, the basement depth of high-rise building is very big, due to there is underground water, basement external
Hydraulic pressure is big, and the buoyancy suffered by basement is strong, and the differential water pressures inside and outside basement are larger, is not loaded in construction period building and tied on the ground
The anti-floating problem that structure can cause when not constructing, the base plate of building basement under active force easy differential settlement and ftracture, cause
Seepage.Additionally, routine building basement waterproofing is relied mainly on prevention, block the erosion of underground water by waterproof roll or coating to be prevented
Water, but increase over time, the waterproof effect of waterproof roll or coating is undesirable.
The content of the invention
Defect it is an object of the invention to overcome prior art, there is provided the water storage structure and its construction party of a kind of basement
Method, solve the base plate of basement in the prior art under active force easy differential settlement and ftracture, cause the problem of seepage.
Realizing the technical scheme of above-mentioned purpose is：
The present invention provides a kind of water storage structure of basement, including：
The basement includes base plate and encloses the wall on the base plate, it is characterised in that the water storage structure bag
Include：
Be oppositely arranged with the base plate and with the top board of the wall connecting of surrounding, the top board, the base plate and be located at
Wall part between the top board and the base plate encloses to form water storage space；
The first drainpipe in the base plate is embedded in, first drainpipe connects the water storage space and the base plate
Under soil layer；And
The second drainpipe in the wall is embedded in, second drainpipe connects the water storage space and the wall
The soil layer in outside.
Basement of the present invention water storage structure further improvement is that, also including the first filter located at the bottom base plate
Water layer and the second drainage layer located at the wall outer side, the end of first drainpipe are placed at the first drainage layer,
The end of second drainpipe is placed at the second drainage layer.
Basement of the present invention water storage structure further improvement is that, second drainpipe and the wall outer side phase
One end of friendship is higher than the other end that second drainpipe intersects with wall inner side.
Basement of the present invention water storage structure further improvement is that, also including being attached at the draining of the wall outer side
Plate, between the wall and second drainage layer, the outside of the second drainage layer is covered with geotechnique to the drain bar
Cloth.
Basement of the present invention water storage structure further improvement is that, be equipped with separation layer on the first drainage layer.
The present invention also provides the construction method of basement water storage structure, comprises the following steps：
First drainpipe is provided, in the base plate of basement of constructing, first drainpipe is embedded in the base plate,
And the soil layer under the base plate and the space on the base plate are connected by first drainpipe；
Second drainpipe is provided, in the wall of basement of constructing, second drainpipe is embedded in the wall,
And the space on the inside of the soil layer and the wall of the wall outer side is connected by second drainpipe；
In the base plate top construction be oppositely arranged with the base plate and with the top board of the wall connecting of surrounding, it is described
Top board, the base plate and the wall part between the top board and the base plate enclose to form water storage space, and described
First drainpipe and second drainpipe are connected with the water storage space.
The construction method of the water storage structure of basement of the present invention further improvement is that,
Construct before the base plate of basement, the first drainage layer is set in the position of the base plate；By first drainpipe
It is embedded in when in the base plate, the end of first drainpipe is placed at the first drainage layer；And
During the wall of construction basement, the second drainage layer is set in the wall outer side, by the end of second drainpipe
Portion is placed at the second drainage layer.
The construction method of the water storage structure of basement of the present invention further improvement is that, by second drainpipe and institute
State the intersecting one end of wall outer side and the other end intersected with wall inner side higher than second drainpipe is set.
The construction method of the water storage structure of basement of the present invention further improvement is that,
First drainpipe is provided, in the base plate of basement of constructing, first drainpipe is embedded in the base plate,
And the soil layer under the base plate and the space on the base plate are connected by first drainpipe, including：
During the base plate of constructing, after the completion of base plate steel bar binding, first drainpipe is vertically arranged to described
In baseplate reinforcing bar so that one end of first drainpipe is inserted in the first drainage layer, first drainpipe it is another
End is concordant with floor level；
Second drainpipe is provided, in the wall of basement of constructing, second drainpipe is embedded in the wall,
And the space on the inside of the soil layer and the wall of the wall outer side is connected by second drainpipe, including：
It is after the completion of wall steel bar colligation, second drainpipe is angularly disposed in described during the wall of constructing
In wall steel bar so that one end of second drainpipe is inserted in the second drainage layer, second drainpipe it is another
End fits with wall form.
The construction method of the water storage structure of basement of the present invention further improvement is that, also include：
Separation layer is laid on first drainage layer；
In the setting drain bar of the wall outer side, by the drain bar located at the wall and the second drainage layer
Between；
The second drainage layer of constructing includes：With plank along geotextiles are put, in the inner side back-up sand stone of the geotextiles, while in institute
The outside backfill of geotextiles is stated, the plank is extracted upwards when filling out.
The water storage structure of basement of the present invention and its beneficial effect of construction method：
By setting water storage structure in basement, the water storage structure is using the soil under the first drainpipe connection base plate
Layer, the underground water in soil layer under the base plate is entered into water storage structure by pressure via the first drainpipe, it is to avoid
Groundwater pressure can finally be formed in the soil layer that the groundwater pressure produces under buoyancy, the water storage structure and base plate to base plate
The inside and outside differential pressure of balance, base plate avoids differential settlement because of no buoyancy, and then will not also produce cracking and cause
The problem of seepage.The water storage structure also connects the soil layer of wall outer side using the second drainpipe, so that the ground of wall outer side
Lower water is entered in water storage structure by the second drainpipe, reduces the water pressure of wall outer side, balances the inside of water storage space
With outside differential water pressures, the stability of basement is enhanced.The present invention is solved in the prior art because of differential water pressures inside and outside basement
Cause the cracking and leakage problems of base plate.Water storage structure can collect underground water as pond, be constructed instead of fire cistern, play section
The effect that can be lowered consumption.
Brief description of the drawings
Fig. 1 is the structural representation of the water storage structure of basement of the present invention.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, it is shown that the structural representation of the water storage structure of basement of the present invention.As shown in figure 1, storage of the invention
Water-bound 13 is formed in basement 10, and the basement 10 includes base plate 11 and encloses the wall 12 on base plate 11, the retaining
Structure 13 includes：Top board 131, the first drainpipe 133 and the second drainpipe 134, wherein top board 131 is relative with base plate 11 sets
Put, between the top board 131 and base plate 11 between be separated with a certain distance, and top board 131 is connected with the wall 12 of surrounding, so as to push up
Plate 131, base plate 11 and the part of the wall between top board 131 and base plate 11 12 enclose to form water storage space 132；First row
Water pipe 133 is embedded in base plate 11, the soil layer under the connection water storage space 132 of the first drainpipe 133 and base plate 11, the second draining
Pipe 134 is embedded in the soil layer of wall 12, the connection water storage space 132 of the second drainpipe 134 and the outside of wall 12.Retaining of the invention
Structure 13 using the soil layer under the first drainpipe connection base plate, the underground water in soil layer under the base plate by pressure via
First drainpipe and enter into water storage structure 13, it is to avoid the groundwater pressure produces buoyancy, the water storage structure 13 to base plate
With the inside and outside differential pressure that groundwater pressure in the soil layer under base plate can finally form balance, base plate keeps away because of no buoyancy
Differential settlement is exempted from, and then will not also produce cracking and cause the problem of seepage.The water storage structure 13 also utilizes the second draining
Pipe connects the soil layer of wall outer side, so that the underground water of wall outer side is entered in water storage structure 13 by the second drainpipe,
The water pressure of wall outer side is reduced, the stability of basement is enhanced.The present invention is solved in the prior art because in basement
Outer differential water pressures cause the cracking and leakage problems of base plate.Water storage structure 13 can collect underground water as pond, instead of fire cistern
Construction, plays energy-saving effect.
As shown in figure 1, in the present embodiment, base plate 11 and wall 12 have been certain thickness reinforced concrete structure,
First drainpipe 133 is through base plate 11, so that the underground water under base plate 11 is due to certain hydraulic pressure, upwardly through
One drainpipe 133 is entered into water storage space 132.Second drainpipe 134 through wall so that the underground water outside wall 12
Due to certain hydraulic pressure, being entered into water storage space 132 inward through the second drainpipe 134.
Due to being provided with water storage structure 13 in the basement 10, such that it is able to by the use of the top board of water storage structure 13 as underground
The floor on room stratum, and the top board is because the separation of water storage structure is without the soil layer under contact base plate, so that the top board will not be received
To the buoyancy of underground water, so top board would not also produce the problem of cracking and seepage.In addition, can be with the top board
Water-proofing treatment is done to improve the waterproof effect of top board.In the present embodiment, top board 131 is floor.The height root that top board 131 is set
Determine according to combined factors such as building height, level of ground water, water consumption sizes.Be the water in water storage space 132 is discharged or
The water of collection is used, the water pump for drawing water is provided with top board 131, coordinate booster pump, water level monitoring and filtering
System carries out the utilization of underground water, plays energy-saving effect.
In order to prevent the impurity in underground water from blocking the first drainpipe 133 and the second drainpipe 134, it is necessary to will be into retaining
The underground water in space 132 is first filtered.Specifically, water storage structure 13 also includes the first drainage layer located at the bottom of base plate 11
135 and the second drainage layer 136 located at the outside of wall 12, filtering is played by the first drainage layer 135 and the second drainage layer 136 and is made
With to avoid the first drainpipe 133 and the second drainpipe 134 from blocking.The end of the first drainpipe 133 is placed in the first drainage
60 at layer, the end of the second drainpipe 134 is placed at the second drainage layer 136, and the second drainpipe 134 intersects with the outside of wall 12
One end is obliquely installed higher than the other end that the second drainpipe 134 intersects with the inner side of wall 12, the second drainpipe 134.
In the present embodiment, in bottom laying sandstone or the rubble of base plate 11, the thickness of sandstone or rubble is according to actual feelings
Depending on condition.Sandstone or rubble are compacted using plate vibrator after sandstone or rubble laying is smooth, the first drainage layer is formed
135, so when underground water is entered into the first drainage layer 135, impurity can be blocked by sandstone or rubble.Further, first
One layer of 135 upper berth of drainage layer separation layer, to avoid thering is concrete to penetrate into the first drainage layer 135, influence first when base plate is poured
The using effect of drainage layer 135, in the present embodiment, using asphalt felt as separation layer.
In order to reduce the outer lateral water pressure on the top of wall 12, drain bar 137, the drain bar are set in the outside of wall 12
137 are arranged between the drainage of wall 12 and second layer 136, are drained to down the outside water on the top of wall 12 by drain bar 137
Portion, and then entered into water storage structure by the second drainpipe 134 that bottom is set.The drain bar 137 is realized will be located at wall
The underground water of the upper outside of body 12 is drained at the second drainpipe 134 downwards, so as to reduce the outer side hydraulic pressure on the top of wall 12
Power, enhances the stability of basement.
In the present embodiment, drain bar 137 uses GSZ drain bar, GSZ drain bar have infiltration,
Water storage, draining, water guide and to the drainage of wall 12 and second layer 136 play a part of protection protection.During construction, by GSZ
Have the one of geotechnological felt-cloth facing to outside in drain bar, touch together, using geotextiles two pieces of GSZ drain bars in laying
Two pieces of GSZ drain bars are carried out into overlap joint connection.It is stable connection, the length of overlap joint is not less than 150mm, lap-joint's steel
Follow closely shimming to fix, the spacing of steel nail is 1m.Geotextiles are set in the outside of the second drainage layer 136, geotextiles have outstanding
Filtering, draining, isolation, reinforcement, antiseepage, protective action, with lightweight, tensile strength is high, good penetrability, high temperature resistant, anti-cold
Jelly, ageing-resistant, corrosion resistant feature, can further enhance the effect of the second drainage layer 136.
Present invention also offers the construction method of the water storage structure of basement, including：
The water storage structure that construction method of the invention is formed is formed in basement, and the construction method of the water storage structure is worn
Insert in the construction method of basement, when basement is constructed, first form foundation ditch in pre-position earth excavation, and after base
Construction basement in hole.
The construction method of water storage structure of the present invention comprises the following steps：
First drainpipe 133 is provided, in the base plate 11 of basement of constructing, the first drainpipe 133 base plate 11 is embedded in
It is interior, and the soil layer under base plate 11 and the space on base plate 11 are connected by the first drainpipe 133；
Second drainpipe 134 is provided, in the wall 12 of basement of constructing, the second drainpipe 134 wall 12 is embedded in
It is interior, and the soil layer in the outside of wall 12 and the space of the inner side of wall 12 are connected by the second drainpipe 134；
In base plate 11 top construction with base plate 11 be oppositely arranged and with the top board 131 of the wall connecting of surrounding, top board
131st, base plate 11 and the part of the wall between top board 131 and base plate 11 12 enclose to form water storage space 132, and first row
The drainpipe 134 of water pipe 133 and second is connected with water storage space 132.So due to there are differential water pressures inside and outside basement, base plate 11 it
Under underground water, by the first drainpipe 133 enter water storage space 132, the buoyancy of base plate 11 is reduced, outside wall 12
Underground water by the second drainpipe 134 enter water storage space 132, reduce the water pressure of wall 12, enhance basement
Stability.
As a preferred embodiment of the construction method of the water storage space 132 of basement of the present invention, due in underground water
There are various large granular impurity rubbish, in order to prevent the impurity in underground water from blocking the first drainpipe 133 and the second drainpipe
134 by underground water, it is necessary to first carry out filtration treatment, and the impurity in underground water is kept off in the first drainpipe 133 and the second drainpipe
Outside 134, so needing to set filter layer in the outside of basement structure 1.
Specifically, before the base plate 11 of construction basement, first drainage layer 135 is set in the position of base plate 11.By
One drainpipe 133 is embedded in when in base plate 11, and the end of the first drainpipe 133 is placed at the first drainage layer 135.In construction ground
During the wall 12 of lower room, second drainage layer 136 is set in the outside of wall 12, the end of the second drainpipe 134 is placed in the second filter
At water layer 136.One end that second drainpipe 134 intersects with the outside of wall 12 is set higher than the second drainpipe 134 and wall 12
The intersecting other end in inner side, to facilitate underground water to be flowed into water storage space 132 along the second drainpipe 134 of downward-sloping setting
It is interior.First drainage layer 135 is laid using sandstone or rubble, and plate vibrator is used by sand after sandstone or rubble laying is smooth
Stone or rubble are compacted, and form the first drainage layer 135, and so when underground water is entered into the first drainage layer 135, impurity can be by sandstone
Or rubble is blocked.
As a preferred embodiment of the construction method of the water storage space 132 of basement of the present invention,
During construction base plate 11, first in the first drainage 135 top colligation baseplate reinforcing bar of layer, completed in base plate steel bar binding
Afterwards, the first drainpipe 133 is vertically arranged in baseplate reinforcing bar so that insert the first drainage layer in one end of the first drainpipe 133
In 135, the other end of the first drainpipe 133 is concordant with the absolute altitude of base plate 11, and underground water can flow to storage from the first drainpipe 133
Collected in hydrospace 132.The spacing of multiple first drainpipes 133 is 3 meters.
During construction wall 12, first in the second drainage 136 top colligation wall steel bar of layer, wall steel bar colligation is completed
Afterwards, it is the second drainpipe 134 is angularly disposed in wall steel bar so as to insert the second drainage layer in one end of the second drainpipe 134
In 136, the other end of the second drainpipe 134 is sticked with wall form, and one end of the second drainpipe 134 is higher than the second drainpipe
134 other end.Second drainpipe 134 slopes inwardly 15 °, and the spacing of multiple second drainpipes 134 is 3 meters.
As a preferred embodiment of the construction method of the water storage space 132 of basement of the present invention, the is completed in construction
After one drainage layer 135, to avoid concrete from penetrating into the first drainage layer 135, separation layer is laid on the first drainage layer 135.
As a preferred embodiment of the construction method of the water storage space 132 of basement of the present invention, wall is completed in construction
After body 12, drain bar 137 is installed in the outside of wall 12.Specifically, by have geotechnological felt-cloth in drain bar 137 one facing to
Outside is set, and when the length of one piece of drain bar 137 is inadequate, two pieces of adjacent GSZ drain bars is touched together, using geotechnique
Cloth is overlapped, and the lap of splice is not less than 150mm, and lap-joint is fixed with steel nail shimming, steel nail spacing 1m.
As a preferred embodiment of the construction method of the water storage space 132 of basement of the present invention, when drain bar 137 is applied
After the completion of work, in thick the second drainage layers 136 of the outside backfill about 300mm of drain bar 137.Specifically, geotechnique is put with plank is suitable
Cloth, in the inner side back-up sand stone of geotextiles, while in the outside backfill of geotextiles, extract plank upwards when filling out, while to every
Individual layering is compacted.The outside of such second drainage layer 136 just installs geotextiles, make use of what geotextiles had
Outstanding filtering, draining, isolation, reinforcement, antiseepage, protective action and lightweight, tensile strength is high, good penetrability, high temperature resistant,
Anti-freezing, ageing-resistant, corrosion resistant characteristic.After completion of constructing, backfill to designed elevation.
The water storage space of basement of the present invention and its having the beneficial effect that for construction method：
By setting water storage structure in basement, the water storage structure is using the soil under the first drainpipe connection base plate
Layer, the underground water in soil layer under the base plate is entered into water storage structure by pressure via the first drainpipe, it is to avoid
Groundwater pressure can finally be formed in the soil layer that the groundwater pressure produces under buoyancy, the water storage structure and base plate to base plate
The inside and outside differential pressure of balance, base plate avoids differential settlement because of no buoyancy, and then will not also produce cracking and cause
The problem of seepage.The water storage structure also connects the soil layer of wall outer side using the second drainpipe, so that the ground of wall outer side
Lower water is entered in water storage structure by the second drainpipe, reduces the water pressure of wall outer side, balances the inside of water storage space
With outside differential water pressures, the stability of basement is enhanced.The present invention is solved in the prior art because of differential water pressures inside and outside basement
Cause the cracking and leakage problems of base plate.Water storage structure can collect underground water as pond, be constructed instead of fire cistern, play section
The effect that can be lowered consumption.Basement structure the present disclosure applies equally to not need underground continuous wall-enclosure structure, and in the construction time
Between can be prevented effectively from building do not load, i.e., the anti-floating problem caused when superstructure is not constructed can reduce the input of uplift pile,
There is certain economic benefit.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this
The scope that invention will be defined using appended claims is used as protection scope of the present invention.
Claims (10)
1. a kind of water storage structure of basement, the basement includes base plate and encloses the wall on the base plate, its feature
It is that the water storage structure includes：
It is oppositely arranged with the base plate and with the top board of the wall connecting of surrounding, the top board, the base plate and located at described
Wall part between top board and the base plate encloses to form water storage space；
The first drainpipe in the base plate is embedded in, first drainpipe is connected under the water storage space and the base plate
Soil layer；And
The second drainpipe in the wall is embedded in, second drainpipe connects the water storage space and the wall outer side
Soil layer.
2. the water storage structure of basement as claimed in claim 1, it is characterised in that also including located at the of the bottom base plate
One drainage layer and the second drainage layer located at the wall outer side, the end of first drainpipe are placed in the first drainage layer
Place, the end of second drainpipe is placed at the second drainage layer.
3. the water storage structure of basement as claimed in claim 1, it is characterised in that outside second drainpipe and the wall
The intersecting one end in side is higher than the other end that second drainpipe intersects with wall inner side.
4. the water storage structure of basement as claimed in claim 2, it is characterised in that also including being attached at the wall outer side
Drain bar, between the wall and second drainage layer, the outside of the second drainage layer is covered with the drain bar
Geotextiles.
5. the water storage structure of basement as claimed in claim 2, it is characterised in that be equipped with isolation on the first drainage layer
Layer.
6. a kind of construction method of basement water storage structure, it is characterised in that comprise the following steps：
First drainpipe is provided, in the base plate of basement of constructing, first drainpipe is embedded in the base plate, and it is logical
Cross first drainpipe and connect the soil layer under the base plate and the space on the base plate；
Second drainpipe is provided, in the wall of basement of constructing, second drainpipe is embedded in the wall, and it is logical
The space crossed on the inside of the soil layer and the wall of the second drainpipe connection wall outer side；
In the base plate top construction be oppositely arranged with the base plate and with the top board of the wall connecting of surrounding, the top board,
The base plate and the wall part between the top board and the base plate enclose to form water storage space, and the first row
Water pipe and second drainpipe are connected with the water storage space.
7. the construction method of the water storage structure of basement as claimed in claim 6, it is characterised in that
Construct before the base plate of basement, the first drainage layer is set in the position of the base plate；First drainpipe is buried
When in the base plate, the end of first drainpipe is placed at the first drainage layer；And
During the wall of construction basement, the second drainage layer is set in the wall outer side, the end of second drainpipe is put
At second drainage layer.
8. the construction method of the water storage structure of basement as claimed in claim 7, it is characterised in that
One end that second drainpipe is intersected with the wall outer side is set higher than second drainpipe and the wall
The intersecting other end in inner side.
9. the construction method of the water storage structure of basement as claimed in claim 8, it is characterised in that
First drainpipe is provided, in the base plate of basement of constructing, first drainpipe is embedded in the base plate, and it is logical
Cross first drainpipe and connect the soil layer under the base plate and the space on the base plate, including：
During the base plate of constructing, after the completion of base plate steel bar binding, first drainpipe is vertically arranged to the base plate
In reinforcing bar so that one end of first drainpipe is inserted in the first drainage layer, the other end of first drainpipe with
Floor level is concordant；
Second drainpipe is provided, in the wall of basement of constructing, second drainpipe is embedded in the wall, and it is logical
The space crossed on the inside of the soil layer and the wall of the second drainpipe connection wall outer side, including：
It is after the completion of wall steel bar colligation, second drainpipe is angularly disposed in the wall during the wall of constructing
In reinforcing bar so that one end of second drainpipe is inserted in the second drainage layer, the other end of second drainpipe with
Wall form fits.
10. the construction method of the water storage structure of basement as claimed in claim 7, it is characterised in that also include：
Separation layer is laid on first drainage layer；
In the setting drain bar of the wall outer side, by the drain bar between the wall and second drainage layer；
The second drainage layer of constructing includes：With plank along geotextiles are put, in the inner side back-up sand stone of the geotextiles, while in the soil
The outside backfill of work cloth, the plank is extracted when filling out upwards.
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| CN201710027482.3A CN106836248A (en) | 2017-01-16 | 2017-01-16 | The water storage structure and its construction method of basement |
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| CN201710027482.3A CN106836248A (en) | 2017-01-16 | 2017-01-16 | The water storage structure and its construction method of basement |
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| CN103437324A (en) * | 2013-09-05 | 2013-12-11 | 中国建筑第八工程局有限公司 | Geogrid drain board vertical drainage system of municipal water storage channel and construction method thereof |
| CN104404974A (en) * | 2014-12-01 | 2015-03-11 | 中铁隆工程集团有限公司 | High-pressure-bearing water and thick sand and pebble formation deep foundation pit grouting bottom-sealing structure and construction technology thereof |
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