CN206768840U - A kind of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system - Google Patents
A kind of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system Download PDFInfo
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- CN206768840U CN206768840U CN201720412149.XU CN201720412149U CN206768840U CN 206768840 U CN206768840 U CN 206768840U CN 201720412149 U CN201720412149 U CN 201720412149U CN 206768840 U CN206768840 U CN 206768840U
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Abstract
The utility model category foundation pit construction technical field, a kind of precipitation during to solve the problems, such as that large-scale construction engineering foundation depth is inconsistent, there is provided large-scale construction engineering deep basal pit multiple stage type precipitation recharge system.Including be arranged on deep basal pit N levels step, N ranks supporting construction, some N ranks precipitation recharge equipment; N is the natural number more than or equal to 1; step includes horizontal plane and vertical plane; precipitation recharge equipment includes dewatering device and backflow device; using conventional equipment; implement precipitation for different geological conditions, foundation depth; it is easy, applicable, cheap, conveniently, safely, can be recycled; reduce facilities and equipment expense; reduce the extraction of underground water; groundwater resources are protected, save electricity, mitigate environmental pressure.Suitable for the condition such as different geological conditions, foundation depth be inconsistent.
Description
Technical field
The utility model belongs to foundation pit construction technical field, and in particular to a kind of large-scale construction engineering deep basal pit multiple stage type drop
Water Spreading system.
Background technology
All it is according to foundation ditch bottom surface depth for many years for precipitation problem of large-scale construction engineering foundation depth when inconsistent
Single order precipitation recharge equipment is set, and well total length and the pump lift that draws water all are greatly increased, and quantity increase, power consumption are filled with drawing back
Significantly increase, the protection for underground water is ineffective, and environmental pressure also inevitably increases.
The content of the invention
Precipitation when the utility model is in order to solve the problems, such as that large-scale construction engineering foundation depth is inconsistent, there is provided Yi Zhong great
Type architectural engineering deep basal pit multiple stage type precipitation recharge system.
The utility model is realized by following technical scheme：A kind of large-scale construction engineering deep basal pit multiple stage type precipitation recharge body
System, including be arranged on deep basal pit N levels step, N ranks supporting construction, some N ranks precipitation recharge equipment, N be more than or equal to 1
Natural number, step include horizontal plane and vertical plane, and precipitation recharge equipment includes dewatering device and backflow device, are dropped with N-1 levels
Level of ground water is dropped to the N level steps constructed below N level step horizontal plane design heights after 1m and is arranged at by Water Spreading equipment
N-1 levels step vertical plane bottom is simultaneously extended on the inside of deep basal pit；The N ranks supporting construction is arranged at the N level platforms on the inside of deep basal pit
On rank horizontal plane, some N ranks precipitation recharge equipment interval peaces are provided close on the N level step horizontal planes at N rank supporting construction；N
Rank dewatering device is arranged at after the completion of N rank support constructions；N-1 rank backflow devices are arranged at completion backfill N rank precipitation
Recharge equipment periphery foundation ditch and after removing N ranks supporting construction and N rank precipitation recharge equipment.
The N levels step（2）In first order step horizontal plane be arranged at and deep basal pit（1）Top flushes.
The supporting construction is reinforced concrete pile, soil nail wall or the steel sheet pile that mixing pile inserts i shaped steel；Support and be
Reinforced concrete structure or steel construction；The precipitation recharge equipment is that pipe well adds suction pump or well point to add vavuum pump.
The large-scale construction engineering deep basal pit completed using above-mentioned large-scale construction engineering deep basal pit multiple stage type precipitation recharge system
Multiple stage type precipitation method, step are as follows：
（1）First rank dewatering construction：It is smooth in deep basal pit top outer, first step is formed, is constructed on the inside of first step
First rank supporting construction, first step lay downwards the first rank precipitation recharge equipment at the first rank supporting construction, open the
Single order precipitation recharge equipment makes level of ground water drop below second step bottom 1m；
（2）Second-order dewatering construction：After level of ground water drops below second step bottom 1m, the excavation pit earthwork to
Two bench floors, smooth foundation ditch form second step, second-order supporting construction of then being constructed on the inside of second step, at second
Rank lays downwards second-order precipitation recharge equipment at second-order supporting construction, and starting second-order precipitation recharge equipment makes water level
Drop below the 3rd rank bottom 1m；
（3）3rd rank dewatering construction：After level of ground water drops below the 3rd step bottom 1m, fortune pit earthwork is dug to the
Three bench floors, then according to elevator gang of wells position, the 3rd rank supporting construction of being constructed on the inside of the 3rd step, leaned in the 3rd step
The 3rd rank precipitation recharge equipment is laid at nearly 3rd rank supporting construction downwards, starts the 3rd rank precipitation recharge equipment, makes underground water
Position drops below bottom of foundation ditch 1m；
（4）Level of ground water is first dropped below by N level steps bottom 1m using N-1 levels precipitation recharge equipment successively
Place, fortune pit earthwork is dug to N level bench floors, then according to elevator gang of wells position, N ranks of being constructed on the inside of N level steps
Supporting construction, then lay N rank precipitation recharge equipment downwards at N rank supporting construction in N levels step, then start
N rank precipitation recharge equipment, makes level of ground water drop below bottom of foundation ditch 1m；
（5）Foundation ditch backfills and backwater：Clear pit earthwork, after the completion of construction elevator gang of wells, backfill periphery foundation ditch, remove
N ranks supporting construction and N rank precipitation recharge equipment, after the completion of the basic part construction of intensification, periphery foundation ditch is backfilled, starts N-
1 rank backflow device, make ground is the next to restore, then proceed by and remove N-1 ranks supporting construction and N-1 rank precipitation recharge dress
Put, backfill periphery foundation ditch；After the completion for the treatment of all Construction of Deep Foundation, periphery foundation ditch is backfilled, stops precipitation and backwater comprehensively, remove the
Single order supporting construction and the first rank precipitation recharge equipment.
The various appliance devices that the utility model uses are conventional tool, are combined i.e. according to design requirement during use
Can, using conventional equipment, different supporting construction and precipitation recharge are selected for different geological conditions, foundation depth and its order
Precipitation is implemented in equipment combination, be it is a kind of it is easy, be applicable, be cheap, conveniently, safely, the new paragon that can be recycled, installation and dismounting
It is convenient, facilities and equipment expense is reduced, reduces the extraction of underground water, protects groundwater resources, and then power consumption has been saved,
Alleviate environmental pressure.The utility model is applied to the conditions such as different geological conditions, foundation depth be inconsistent, solves large-scale build
Build Deep Foundation Pit depth it is inconsistent when precipitation problem.
Brief description of the drawings
Fig. 1 is the structural representation of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system described in the utility model；
Fig. 2 is the top view of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system described in the utility model.
1- deep basal pits；2- steps；3- supporting construction；4- precipitation recharge equipment；Waterline after 5- precipitation.
Embodiment
A kind of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system, including the N level steps being arranged on deep basal pit 1
2nd, N ranks supporting construction 3, some N ranks precipitation recharge equipment 4, N are the natural number more than or equal to 1, and step 2 includes horizontal plane and erected
Face directly, precipitation recharge equipment 4 includes dewatering device and backflow device, can fill equipment with N-1 levels precipitation and decline level of ground water
The N level steps constructed below to N level step horizontal plane design heights after 1m are arranged at N-1 levels step vertical plane bottom and extended
On the inside of to deep basal pit；The N ranks supporting construction is arranged on the N level step horizontal planes on the inside of deep basal pit, some N ranks precipitation recharges
Equipment interval peace is provided close on the N level step horizontal planes at N rank supporting construction；N rank dewatering devices are arranged at N rank supporting knots
After the completion of structure construction, N-1 rank backflow devices are arranged at N rank precipitation recharges equipment and complete backfill periphery foundation ditch, remove N ranks
At supporting construction and N rank precipitation recharge equipment.
The first order step horizontal plane is arranged to be flushed with the top of deep basal pit 1.
The supporting construction is reinforced concrete pile, soil nail wall or the steel sheet pile that mixing pile inserts i shaped steel；Support and be
Reinforced concrete structure or steel construction；The precipitation recharge equipment is that pipe well adds suction pump or well point to add vavuum pump.
The large-scale construction engineering deep basal pit completed using above-mentioned large-scale construction engineering deep basal pit multiple stage type precipitation recharge system
Multiple stage type precipitation method, step are as follows：
（1）First rank dewatering construction：It is smooth in deep basal pit top outer, first step is formed, is constructed on the inside of first step
First rank supporting construction, first step lay downwards the first rank precipitation recharge equipment at the first rank supporting construction, open the
Single order precipitation recharge equipment makes level of ground water drop below second step bottom 1m；
（2）Second-order dewatering construction：After level of ground water drops below second step bottom 1m, the excavation pit earthwork to
Two bench floors, smooth foundation ditch form second step, second-order supporting construction of then being constructed on the inside of second step, at second
Rank lays downwards second-order precipitation recharge equipment at second-order supporting construction, and starting second-order precipitation recharge equipment makes water level
Drop below the 3rd rank bottom 1m；
（3）3rd rank dewatering construction：After level of ground water drops below the 3rd step bottom 1m, fortune pit earthwork is dug to the
Three bench floors, then according to elevator gang of wells position, the 3rd rank supporting construction of being constructed on the inside of the 3rd step, leaned in the 3rd step
The 3rd rank precipitation recharge equipment is laid at nearly 3rd rank supporting construction downwards, starts the 3rd rank precipitation recharge equipment, makes underground water
Position drops below bottom of foundation ditch 1m；
（4）Level of ground water is first dropped below by N level steps bottom 1m using N-1 levels precipitation recharge equipment successively
Place, fortune pit earthwork is dug to N level bench floors, then according to elevator gang of wells position, N ranks of being constructed on the inside of N level steps
Supporting construction, then lay N rank precipitation recharge equipment downwards at N rank supporting construction in N levels step, then start
N rank precipitation recharge equipment, makes level of ground water drop below bottom of foundation ditch 1m；
（5）Foundation ditch backfills and backwater：Clear pit earthwork, after the completion of construction elevator gang of wells, backfill periphery foundation ditch, remove
N ranks supporting construction and N rank precipitation recharge equipment, after the completion of the basic part construction of intensification, periphery foundation ditch is backfilled, starts N-
1 rank backflow device, make ground is the next to restore, then proceed by and remove N-1 ranks supporting construction and N-1 rank precipitation recharge dress
Put, backfill periphery foundation ditch；After the completion for the treatment of all Construction of Deep Foundation, periphery foundation ditch is backfilled, stops precipitation and backwater comprehensively, remove the
Single order supporting construction and the first rank precipitation recharge equipment.
Claims (3)
- A kind of 1. large-scale construction engineering deep basal pit multiple stage type precipitation recharge system, it is characterised in that：Including being arranged at deep basal pit（1） On N level steps（2）, N rank supporting construction（3）, some N ranks precipitation recharge equipment（4）, N is natural number more than or equal to 1, platform Rank（2）Including horizontal plane and vertical plane, precipitation recharge equipment（4）Including dewatering device and backflow device, returned with N-1 levels precipitation Level of ground water is dropped to the N level steps constructed below N level step horizontal plane design heights after 1m and is arranged at N-1 levels by filling equipment Step vertical plane bottom is simultaneously extended on the inside of deep basal pit；The N levels step that the N ranks supporting construction is arranged on the inside of deep basal pit is horizontal On face, some N ranks precipitation recharge equipment interval peaces are provided close on the N level step horizontal planes at N rank supporting construction；N rank precipitation Device is arranged at after the completion of N rank support constructions；N-1 rank backflow devices are arranged at completion backfill N rank precipitation recharges and set Standby periphery foundation ditch and after removing N ranks supporting construction and N rank precipitation recharge equipment.
- A kind of 2. large-scale construction engineering deep basal pit multiple stage type precipitation recharge system according to claim 1, it is characterised in that： The N levels step（2）In first order step horizontal plane be arranged at and deep basal pit（1）Top flushes.
- A kind of 3. large-scale construction engineering deep basal pit multiple stage type precipitation recharge system according to claim 1, it is characterised in that： The supporting construction is reinforced concrete pile, soil nail wall or the steel sheet pile that mixing pile inserts i shaped steel；Support as reinforced concrete Soil structure or steel construction；The precipitation recharge equipment is that pipe well adds suction pump or well point to add vavuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412149.XU CN206768840U (en) | 2017-04-19 | 2017-04-19 | A kind of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412149.XU CN206768840U (en) | 2017-04-19 | 2017-04-19 | A kind of large-scale construction engineering deep basal pit multiple stage type precipitation recharge system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206609A (en) * | 2020-01-17 | 2020-05-29 | 中国十七冶集团有限公司 | Construction method for controlling geological underground water level of water-rich red sandstone |
| CN114215087A (en) * | 2021-12-08 | 2022-03-22 | 中铁上海工程局集团市政环保工程有限公司 | Stepped rapid dewatering device and method |
-
2017
- 2017-04-19 CN CN201720412149.XU patent/CN206768840U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206609A (en) * | 2020-01-17 | 2020-05-29 | 中国十七冶集团有限公司 | Construction method for controlling geological underground water level of water-rich red sandstone |
| CN114215087A (en) * | 2021-12-08 | 2022-03-22 | 中铁上海工程局集团市政环保工程有限公司 | Stepped rapid dewatering device and method |
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