CN209179019U - A kind of foundation pit enclosure structure - Google Patents
A kind of foundation pit enclosure structure Download PDFInfo
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- CN209179019U CN209179019U CN201821915720.0U CN201821915720U CN209179019U CN 209179019 U CN209179019 U CN 209179019U CN 201821915720 U CN201821915720 U CN 201821915720U CN 209179019 U CN209179019 U CN 209179019U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model discloses a kind of foundation pit enclosure structures, foundation pit enclosure structure includes pipe curtain steel-pipe pile system, ground temperature exchange system and crown beam, wherein crown beam is cast in the top of pipe curtain steel-pipe pile system, and ground temperature exchange system is arranged in pipe curtain steel-pipe pile system and crown beam.Pipe curtain steel-pipe pile system is made of steel-pipe pile and steel sheet pile, steel-pipe pile is identical with the setting depth of steel sheet pile, ground temperature exchange system is made of water inlet manifold, outfall sewer, several water inlet pipes, several exit branch and pumping system, construction method are as follows: Step 1: the formulation of construction technology；Step 2: preparation of construction；Step 3: Specific construction；The utility model has the advantages that increasing deep pit monitor performance, water proof earth-retaining effect is good, and material utilization amount saves, and speed of application is fast, and rigidity is big, and safety is good, and environmental protection and energy saving benefit is prominent, applied widely.
Description
Technical field
The utility model relates to a kind of building enclosure, in particular to a kind of foundation pit enclosure structure.
Background technique
Currently, the reasonable selection of foundation pit enclosure structure, is the primary work of Foundation Pit Support Design, should according to geological conditions,
The characteristics of requirement of surrounding enviroment and different support forms, cost etc. are comprehensive to be determined.General geological conditions is preferable, surrounding enviroment are wanted
When asking looser, flexible support, such as soil nail wall can be used；When ambient enviroment requires high, more rigid supporting should be used
Form is displaced with controlled level, such as campshed or diaphram wall.Currently used campshed or diaphram wall form mainly have
Cast-in-situ bored pile+cement mixing method sealing, armored concrete diaphram wall, steel sheet pile, SMW engineering method stake etc..Wherein, it drills
Bored concrete pile+cement mixing method sealing, armored concrete diaphram wall material be mainly armored concrete, consumptive material, energy consumption
More, cost is high；Lap position between steel sheet pile is unable to satisfy stringenter water proof requirement, the steel sheet pile when excavation of foundation pit is deeper
Often leak is serious；For the stake of SMW engineering method when excavation of foundation pit is deeper, cement earth pile stress cracking may cause water proof failure, and water
Soil not can be recycled, and cost is still higher.
Foundation pit enclosure structure is largely a provisional engineering, and all uses of engineering are completed after foundation pit backfill
How value makes full use of building enclosure, be the key that at present urgently to be resolved by the provisional permanent effect of engineering performance
Problem.
Summary of the invention
Purpose of the utility model is to solve how by the provisional permanent effect of engineering performance, make full use of
The problem of building enclosure and a kind of foundation pit enclosure structure provided.
Foundation pit enclosure structure provided by the utility model includes pipe curtain steel-pipe pile system, ground temperature exchange system and crown beam,
Wherein crown beam is cast in the top of pipe curtain steel-pipe pile system, and ground temperature exchange system is arranged in pipe curtain steel-pipe pile system and crown beam.
Pipe curtain steel-pipe pile system is made of steel-pipe pile and steel sheet pile, and steel-pipe pile is identical with the setting depth of steel sheet pile, steel
The bottom of tubular pole is provided with wedge angle, and the diameter of steel-pipe pile is 2m, and steel sheet pile is AZ26 shape steel plate.
Ground temperature exchange system is by water inlet manifold, outfall sewer, several water inlet pipes, several exit branch and pumping system
Composition, wherein the connection of several water inlet pipes is on water inlet manifold and is plugged in steel-pipe pile, several exit branch connections are being discharged
It is also plugged in steel-pipe pile on general pipeline, the setting depth of exit branch is lower than the setting depth of water inlet pipe, water inlet manifold and goes out
The paragraph that supply mains is located at pipe curtain steel-pipe pile system is embedded in crown beam, and pumping system is located on water inlet manifold, water inlet manifold and
One end of outfall sewer with need cool down or heat up building be connected, water inlet manifold, outfall sewer, several water inlet pipes and
Several exit branch are PE pipe.
Pumping system is made of filter and water pump, and water pump is Vertical Heat water pump, and water pump is connected with water inlet manifold, mistake
Filter is located at the junction of water pump and water inlet manifold.
The construction method of foundation pit enclosure structure provided by the utility model, method are as described below:
Step 1: the formulation of construction technology, Specific construction technique is as follows:
Preparation of construction → measurement net review and construction baseline arrangement → pile transport → immersed tube, the mechanical stake machine of hydraulic or hammering are in place
→ lifting, staking out → measurement and positioning → vibration, hammering or hydraulic pile sinking → pre-buried water inlet manifold, outfall sewer, water inlet pipe and
When exit branch → formwork pours crown beam → construct more than positive negative zero, the cooling of water inlet manifold and outfall sewer and building or
Heating device is connected, and pumping system is arranged on water inlet manifold, pumping system includes filter and water pump；
Step 2: preparation of construction:
1), mechanical to prepare: with reliable performance, comply with standard, the construction machinery of A wide selection of colours and designs and equipment, done before construction
The maintenance of good mechanical equipment, test-run a machine work, it is ensured that all go well operation in construction period, the mechanical equipment of preparation include: immersed tube,
The mechanical stake machine of hydraulic or hammering；Measuring instrument；Filter and water pump in pumping system；
2), material prepares: the material of preparation has: steel-pipe pile；Steel sheet pile；Concrete；Reinforcing bar；The PE of different model is managed, PE
Pipe includes: water inlet manifold, outfall sewer, water inlet pipe and exit branch；Coating steel pipe and template；
3) building waste, house refuse, weeds, tree root and the cultivated plant soil of earth's surface, Farm Planning: are removed；Smooth location is extremely
Designed elevation determines the sequence of construction of reasonable according to the requirement of design document and construction organization plan；
Step 3: construction method, concrete construction method is as follows:
1), the construction of steel-pipe pile and steel sheet pile and pre-buried water inlet manifold, outfall sewer, water inlet pipe and exit branch, tool
Body is as follows:
1., stake machine enter scene, according to designing pile length, carry out equipment assembling；
2., stake machine it is in place, stake machine moves at pre- piling position, it is ensured that pile position deviation≤50mm, perpendicularity deviation≤0.5%；
3., vibration, hammering or hydraulic steel pipe stake and steel sheet pile；
4., pre-buried water inlet manifold, outfall sewer, water inlet pipe and exit branch, water is filled in steel-pipe pile first, then
Water inlet pipe and exit branch are inserted into steel-pipe pile, the setting depth of exit branch is lower than the setting depth of water inlet pipe, into
The top of water branch pipe is connected with the water inlet manifold in crown beam, and the top of exit branch is connected with the outfall sewer in crown beam；
5., formwork pour crown beam；
2) when, constructing more than positive negative zero, water inlet manifold and outfall sewer are connected with the cooling of building or heating device,
Pumping system is assembled on water inlet manifold, pumping system includes filter and water pump.
Stake machine is D128 diesel oil hammer stake machine, diesel hammer upper piston weight: 12800Kg；The every hammer blow energy of diesel hammer:
426500Nm；Diesel hammer cycle: 36-45i/min；Diesel hammer maximum explosive force: 3600KN.
Water pump is Vertical Heat water pump, the flow of water pump is 100 cubic metres/per hour, and 30 meters of the lift of water pump, the function of water pump
15 kilowatts of rate, the material of performance of over current component of water pump is 316 stainless steels, and water pump is driven by variable-frequency motor, heat-exchanger pump, filter and frequency conversion
Motor is the assembling of existing equipment, therefore concrete model and specification are not repeated.
The utility model has the beneficial effects that
Technical solution provided by the utility model can combine pattern foundation pit supporting structure with using underground shallow layer ground temperature, utilize the two
Respective advantage.The bending resistance of building enclosure can be improved in pipe curtain steel-pipe pile, increases deep pit monitor performance, water proof earth-retaining effect
Good, material utilization amount saves, and speed of application is fast, and rigidity is big, and safety is good, and environmental protection and energy saving benefit is prominent, applied widely.Ground temperature exchange
System can efficiently use underground shallow layer ground temperature energy, play energy-saving and emission-reduction purpose.The utility model is that pipe curtain steel-pipe pile is pushed to exist
Application in foundation pit enclosure structure has played effect outstanding, and rationally utilizes underground shallow layer ground temperature energy, can create considerable warp
Benefit of helping and social benefit.Ground temperature exchange system, water storage device when can also be as rainfall do tribute for sponge city
It offers, is catchmented when raining big by pipe curtain steel-pipe pile, reduce the discharge to urban discharging pipeline, it can be from pipe curtain steel when becoming a fine day
It draws water in pipe and carries out road cleaning, pours the effects of flowers, plants and trees.
Detailed description of the invention
Fig. 1 is building enclosure overall structure diagram described in the utility model.
Fig. 2 is construction method flow diagram described in the utility model.
1, crown beam 2, steel-pipe pile 3, steel sheet pile 4, water inlet manifold 5, outfall sewer 6, water inlet pipe 7, exit branch
8, pumping system 9, building.
Specific embodiment
It please refers to shown in Fig. 1 and Fig. 2:
Foundation pit enclosure structure provided by the utility model includes pipe curtain steel-pipe pile system, ground temperature exchange system and crown beam 1,
Wherein crown beam 1 is cast in the top of pipe curtain steel-pipe pile system, and ground temperature exchange system is arranged in pipe curtain steel-pipe pile system and crown beam 1
It is interior.
Pipe curtain steel-pipe pile system is made of steel-pipe pile 2 and steel sheet pile 3, the setting depth phase of steel-pipe pile 2 and steel sheet pile 3
Together, the bottom of steel-pipe pile 2 is provided with wedge angle, and the diameter of steel-pipe pile 2 is 2m, and steel sheet pile 3 is AZ26 shape steel plate.
Ground temperature exchange system is by water inlet manifold 4, outfall sewer 5, several water inlet pipes 6, several exit branch 7 and pumping
System 8 forms, wherein the connection of several water inlet pipes 6 is on water inlet manifold 4 and is plugged in steel-pipe pile 2, several exit branch 7 connect
To lead to and is also plugged in steel-pipe pile 2 on outfall sewer 5, the setting depth of exit branch 7 is lower than the setting depth of water inlet pipe 6,
The paragraph that water inlet manifold 4 and outfall sewer 5 are located at pipe curtain steel-pipe pile system is embedded in crown beam 1, and pumping system 8 is located at total into water
On pipe 4, one end of water inlet manifold 4 and outfall sewer 5 is connected with the building 9 for cooling down or heating up is needed, and water inlet manifold 4 goes out
Supply mains 5, several water inlet pipes 6 and several exit branch 7 are PE pipe.
Pumping system 8 is made of filter and water pump, and water pump is Vertical Heat water pump, and water pump is connected with water inlet manifold 4,
Filter is located at the junction of water pump Yu water inlet manifold 4.
The construction method of foundation pit enclosure structure provided by the utility model, method are as described below:
Step 1: the formulation of construction technology, Specific construction technique is as follows:
Preparation of construction → measurement net review and construction baseline arrangement → pile transport → immersed tube, the mechanical stake machine of hydraulic or hammering are in place
→ lifting, staking out → measurement and positioning → vibration, hammering or hydraulic pile sinking → pre-buried water inlet manifold 4, outfall sewer 5, water inlet pipe 6
When pouring crown beam 1 → construct more than positive negative zero with 7 → formwork of exit branch, water inlet manifold 4 and outfall sewer 5 and building 9
Cooling or heating device be connected, on water inlet manifold 4 be arranged pumping system 8, pumping system 8 include filter and water pump；
Step 2: preparation of construction:
1), mechanical to prepare: with reliable performance, comply with standard, the construction machinery of A wide selection of colours and designs and equipment, done before construction
The maintenance of good mechanical equipment, test-run a machine work, it is ensured that all go well operation in construction period, the mechanical equipment of preparation include: immersed tube,
The mechanical stake machine of hydraulic or hammering；Measuring instrument；Filter and water pump in pumping system 8；
2), material prepares: the material of preparation has: steel-pipe pile 2；Steel sheet pile 3；Concrete；Reinforcing bar；The PE of different model is managed,
PE pipe includes: water inlet manifold 4, outfall sewer 5, water inlet pipe 6 and exit branch 7；Coating steel pipe and template；
3) building waste, house refuse, weeds, tree root and the cultivated plant soil of earth's surface, Farm Planning: are removed；Smooth location is extremely
Designed elevation determines the sequence of construction of reasonable according to the requirement of design document and construction organization plan；
Step 3: construction method, concrete construction method is as follows:
1), the construction of steel-pipe pile 2 and steel sheet pile 3 and pre-buried water inlet manifold 4, outfall sewer 5, water inlet pipe 6 and water outlet branch
Pipe 7, specific as follows:
1., stake machine enter scene, according to designing pile length, carry out equipment assembling；
2., stake machine it is in place, stake machine moves at pre- piling position, it is ensured that pile position deviation≤50mm, perpendicularity deviation≤0.5%；
3., vibration, hammering or hydraulic steel pipe stake 2 and steel sheet pile 3；
4., pre-buried water inlet manifold 4, outfall sewer 5, water inlet pipe 6 and exit branch 7, filled in steel-pipe pile 2 first
Then water is inserted into water inlet pipe 6 and exit branch 7 in steel-pipe pile 2, the setting depth of exit branch 7 is lower than water inlet pipe 6
Depth is set, and the top of water inlet pipe 6 is connected with the water inlet manifold 4 in crown beam 1, in the top of exit branch 7 and crown beam 1
Outfall sewer 5 is connected；
5., formwork pour crown beam 1；
2) when, constructing more than positive negative zero, the cooling or heating device phase of water inlet manifold 4 and outfall sewer 5 and building 9
Even, pumping system 8 is assembled on water inlet manifold 4, pumping system 8 includes filter and water pump.
Stake machine is D128 diesel oil hammer stake machine, diesel hammer upper piston weight: 12800Kg；The every hammer blow energy of diesel hammer:
426500Nm；Diesel hammer cycle: 36-45i/min；Diesel hammer maximum explosive force: 3600KN.
Water pump is Vertical Heat water pump, the flow of water pump is 100 cubic metres/per hour, and 30 meters of the lift of water pump, the function of water pump
15 kilowatts of rate, the material of performance of over current component of water pump is 316 stainless steels, and water pump is driven by variable-frequency motor, heat-exchanger pump, filter and frequency conversion
Motor is the assembling of existing equipment, therefore concrete model and specification are not repeated.
Claims (2)
1. a kind of foundation pit enclosure structure, it is characterised in that: it include pipe curtain steel-pipe pile system, ground temperature exchange system and crown beam,
Middle crown beam is cast in the top of pipe curtain steel-pipe pile system, and ground temperature exchange system is arranged in pipe curtain steel-pipe pile system and crown beam, pipe
Curtain steel-pipe pile system is made of steel-pipe pile and steel sheet pile, and steel-pipe pile is identical with the setting depth of steel sheet pile, the bottom of steel-pipe pile
It is provided with wedge angle, the diameter of steel-pipe pile is 2m, and steel sheet pile is AZ26 shape steel plate, and ground temperature exchange system is by water inlet manifold, water outlet
General pipeline, several water inlet pipes, several exit branch and pumping system composition, wherein the connection of several water inlet pipes is on water inlet manifold
And be plugged in steel-pipe pile, several exit branch connections are also plugged in steel-pipe pile on outfall sewer, the setting of exit branch
Depth is lower than the setting depth of water inlet pipe, and the paragraph that water inlet manifold and outfall sewer are located at pipe curtain steel-pipe pile system is embedded in hat
In beam, pumping system is located on water inlet manifold, one end of water inlet manifold and outfall sewer and the building for needing to cool down or heat up
It is connected, water inlet manifold, outfall sewer, several water inlet pipes and several exit branch are PE pipe.
2. a kind of foundation pit enclosure structure according to claim 1, it is characterised in that: the pumping system is by filter
It is formed with water pump, water pump is Vertical Heat water pump, and water pump is connected with water inlet manifold, and filter is located at the company of water pump and water inlet manifold
Meet place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915720.0U CN209179019U (en) | 2018-11-21 | 2018-11-21 | A kind of foundation pit enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915720.0U CN209179019U (en) | 2018-11-21 | 2018-11-21 | A kind of foundation pit enclosure structure |
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| Publication Number | Publication Date |
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| CN209179019U true CN209179019U (en) | 2019-07-30 |
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| CN201821915720.0U Active CN209179019U (en) | 2018-11-21 | 2018-11-21 | A kind of foundation pit enclosure structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235456A (en) * | 2018-11-21 | 2019-01-18 | 海南大学 | A kind of foundation pit enclosure structure and construction method |
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2018
- 2018-11-21 CN CN201821915720.0U patent/CN209179019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235456A (en) * | 2018-11-21 | 2019-01-18 | 海南大学 | A kind of foundation pit enclosure structure and construction method |
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