CN107419739A - A kind of novel building bottom plate dewatering construction method - Google Patents
A kind of novel building bottom plate dewatering construction method Download PDFInfo
- Publication number
- CN107419739A CN107419739A CN201710487816.5A CN201710487816A CN107419739A CN 107419739 A CN107419739 A CN 107419739A CN 201710487816 A CN201710487816 A CN 201710487816A CN 107419739 A CN107419739 A CN 107419739A
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- CN
- China
- Prior art keywords
- osmos tube
- foundation trench
- aqueducts
- construction
- osmos
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
Abstract
The present invention provides a kind of novel building bottom plate dewatering construction method, belongs to architectural engineering dewatering construction technical field, the present invention 1）First before the construction of building bottom cushion, osmos tube position is positioned, excavates osmos tube foundation trench, osmos tube is then laid and backfills；2）Parcel closing, DN25 aqueducts pouring molding together with concrete floor are carried out to the DN25 aqueducts for reserving osmos tube top；3）Osmos tube is connected by DN25 aqueducts, and every a string at least two outlets guide to underground water in catch pit nearby, and are discharged to municipal pipeline by water pump.The present invention synchronous with building construction of bottom plates can be carried out, and intert operation, can arrange cross construction, and it is short to take time duration.
Description
Technical field
The present invention relates to architectural engineering dewatering construction technology, more particularly to a kind of novel building bottom plate dewatering construction method.
Background technology
With the continuous development of modernization construction, big and small infrastructure, it is necessarily required to these underground structures
Let out drainage pressure-reducing control technology to be studied, realize the purpose of structural anti-buoyancy, how under minimum cost, solve these drainings
Pressure release problem, it is the key point that effective exploitation underground space needs consider to make its influence minimum to surrounding enviroment.
In the engineering construction of reality, when architectural engineering underground structure is if in the part less than Soil Surrounding water level
When, the entirety or part of structure will be acted on by buoyancy, usually through uplift pile is played, by the friction of pile body and soil layer
Power resists axial tension to offset soil reclaimed water to buoyancy caused by structure.Uplift pile is widely used in big basement and resisted
Floating, towering buildings or structures resistance to plucking, tidal quay platform resistance to plucking, rock anchorage base, the Large Ship Dock bottom plate of suspension bridge and cable-stayed bridge
Pile foundation and dead load test pile in rock anchorage base etc..But due to uplift pile long construction period, construction cost is high, for engineering
Construction period has a great influence.
The content of the invention
In order to solve problem above, the present invention provides a kind of simple, low cost, shortens the duration, be cost-effective and be easy to
The novel building bottom plate dewatering construction method of quality control on construction.
A kind of basement bottom board precipitation system and its construction method：
（1）First before the construction of building bottom cushion, osmos tube position is positioned according to drawing unwrapping wire, excavates osmos tube foundation trench,
Then lay osmos tube and backfill；
（2）With sealing compound parcel closing, D25 aqueducts are carried out to reserving the D25 aqueducts on osmos tube
（3）Osmos tube is connected by DN25 aqueducts, and every a string at least two outlets guide to underground water in catch pit nearby, and
Municipal pipeline is discharged to by water pump.
The step（1）In osmos tube foundation trench excavation method be：Osmos tube position is positioned according to drawing unwrapping wire, excavation oozes
Saturating pipe foundation trench size is 500mm × 500mm × 700mm, and side wall and hole bottom surface dust are removed totally, and osmos tube foundation trench is located at base pad
Under layer, completed before bottom cushion is constructed.
For more preferable draining, filtering, not blocking, osmos tube uses DN100 coating steel pipes, the Ф 10 of pipe periphery perforate 20,
Pipe range 600mm, for pitch-row between 7~12cm, DN100 galvanized pipes are suitable for reading to be provided with necking, and D25 aqueducts are drawn at necking, are added
One section of D25 aqueduct is accessed before work, in inside pipe wall and outer wall brushing asphalt caulk after the completion of osmos tube perforate, then it is closely knit with non-woven fabrics
Swathe, after swathing, in non-woven fabrics outer layer brushing asphalt caulk again, carry out preservative treatment.
Preferably, the step（1）In osmos tube lay and backfill construction technology be：In the osmos tube base excavated
One 300mm × 300mm × 700mm wooden model is put into groove, first at osmos tube foundation trench bottom before osmos tube is put into osmos tube foundation trench
50mm thickness cobblestones are laid in portion, and osmos tube is placed in osmos tube foundation trench between two parties；Particle diameter 10mm is backfilled between osmos tube and wooden model
~30mm grading cobble, coarse sand is backfilled between wooden model and osmos tube foundation trench wall；Wooden model is ejected with reinforcing bar after the completion of backfill, then
Loaded filter is tamped.
Preferably, the step（2）In aqueduct construction technique be：Slab Waterproof Construction sealing compound is to pre-
The DN25 aqueducts on osmos tube are stayed to carry out parcel closing, DN25 aqueducts are erected in the middle part of bottom plate and bottom plate bearing rod colligation
Firmly, the pouring molding together with concrete floor.
Preferably, the catch pit is the reserved hole of construction of bottom plates, masterplate sizing is installed before concreting.
Preferably, installing water pump after the completion of the catch pit cleaning, water pump sets a ball float automatic water pumping device for water, in water
Position automatically turns on water pump after reaching certain altitude, the automatic closing water pump after water level decreasing.
Preferably, connecing 1 manometer and 2 taps on the aqueduct, a tap is normally opened, a tap
Opened in heavy rain or wet season, tap and manometer are installed by catch pit side wall.
The beneficial effects of the invention are as follows
1st, it synchronous with building construction of bottom plates can be carried out using construction method of the present invention, the installation of precipitation system, intert operation,
Cross construction can be arranged, it is short to take time duration.
2nd, the material that precipitation system of the present invention uses is simple plumbing traditional construction material, and cost is low, can be on the spot
Materials, and it is environmentally safe, security is good.
3rd, groundwater pressure can be viewed according to real-time pipeline pressure monitoring table, is adjusted according to pressure size and monitoring location
Level of ground water is saved, avoids producing excessive disturbing influence surrounding enviroment to building level of ground water.
4th, preservative treatment is carried out to termination osmos tube with asphalt caulk, anti-corrosive durability is good, reduces later maintenance cost.
Brief description of the drawings
Fig. 1 is the scheme of installation of the present invention；
Fig. 2 is the osmos tube foundation trench detail drawing of the present invention；
Fig. 3 is the osmos tube detail drawing of the present invention.
In figure：1 osmos tube, 2 osmos tube foundation trenches, 3 DN25 aqueducts, 4 catch pits, 5 manometers, 6 it is flat when the normally closed fire hose
Head, 7 it is flat when normally opened tap, 8 bottom cushions, 9 concrete floors, 10 building grounds, 11 grading cobbles, 12 coarse sands, 13 infiltration
Pipe foundation trench wooden model, 14 DN100 coating steel pipes, 15 asphalt caulks, 16 non-woven fabrics, 17 apertures, 18 neckings.
Embodiment
More detailed elaboration is carried out to present disclosure below：
As shown in Figures 1 to 3, a kind of novel building bottom plate dewatering construction method, comprises the following steps：
（1）First before the construction of building bottom cushion 8, osmos tube position is positioned according to drawing unwrapping wire, excavates osmos tube foundation trench
2, then lay osmos tube 1 and backfill.
（2）Parcel closing is carried out to reserving the D25 aqueducts 3 on osmos tube 1 with sealing compound, D25 aqueducts 3 are erected at bottom
In the middle part of plate, the pouring molding together with concrete floor 9.
（3）Osmos tube 1 is connected by DN25 aqueducts 3, and every a string at least two outlets guide to underground water nearby catchments
In hole 4, and municipal pipeline is discharged to by water pump.
As shown in figure 1, the step（1）In the excavation method of osmos tube foundation trench 2 be：Osmos tube is positioned according to drawing unwrapping wire
1 position, it is 500mm × 500mm × 700mm to excavate the size of osmos tube foundation trench 2, and side wall and hole bottom surface dust remove clean, osmos tube
The chi of foundation trench 2 is located under bottom cushion 8, is constructed preceding completion in bottom cushion 8.
As shown in figure 3, osmos tube 1 is using DN100 coating steel pipes 14, pipe periphery perforate mouth 17, the Ф 10 of hole 20, pipe range
600mm, for pitch-row between 7~12cm, DN100 galvanized pipes 14 are suitable for reading to be provided with necking 18, and D25 aqueducts 3 are drawn at necking 18,
One section of D25 aqueduct 3 of access, in inside pipe wall and outer wall brushing asphalt caulk 15 after the completion of the perforate of osmos tube 1, then uses nonwoven before processing
Cloth 16 is closely knit to be swathed, and after swathing, in the outer layer of non-woven fabrics 16 brushing asphalt caulk 15 again, carries out preservative treatment.
As shown in Fig. 2 the step（1）In osmos tube 1 lay and backfill construction technology and be：In the osmos tube excavated
One 300mm × 300mm × 700mm osmos tube foundation trench wooden model 13 is put into foundation trench 2, before osmos tube 1 is put into osmos tube foundation trench 2
First in the bottom of osmos tube foundation trench 2 laying 50mm thickness gradings cobble 11, osmos tube 1 is placed in osmos tube foundation trench 2 between two parties；Osmos tube
Particle diameter 10mm~30mm grading cobble 11, osmos tube foundation trench wooden model 13 and infiltration are backfilled between 1 and osmos tube foundation trench wooden model 13
Coarse sand 12 is backfilled between the wall of pipe foundation trench 2；Osmos tube foundation trench wooden model 13 is ejected with reinforcing bar after the completion of backfill, then loaded filter is rammed
It is real.
As shown in figure 1, the step（2）In the construction technique of D25 aqueducts 3 be：Slab Waterproof Construction seals
Cream carries out parcel closing to reserving the D25 aqueducts 3 on osmos tube, and D25 aqueducts 3 are erected in the middle part of bottom plate and bottom plate bearing rod
Colligation is firm, the pouring molding together with concrete floor 9.
The catch pit 4 as shown in Figure 1 is the reserved hole of construction of bottom plates, and masterplate sizing is installed before concreting.
The catch pit 4 installs water pump as shown in Figure 1 after the completion of clearing up, and water pump sets a ball float automatic water pumping device for water,
Water level automatically turns on water pump after reaching certain altitude, the automatic closing water pump after water level decreasing.
Usually normally closed tap 6, usually normally opened tap 7 and manometer 5 are connect on the aqueduct as shown in Figure 1, it is normally closed
Tap 6 is only opened in heavy rain or wet season；Usually normally closed tap 6, usually normally opened tap 7 and manometer 5 by collection
Puddle side wall installation.
Claims (8)
1. a kind of novel building bottom plate dewatering construction method, it is characterised in that comprise the following steps:
1）First before the construction of building bottom cushion, osmos tube position is positioned according to drawing unwrapping wire, excavates osmos tube foundation trench, so
Osmos tube is laid afterwards and is backfilled；
2）Parcel closing is carried out to the DN25 aqueducts for reserving osmos tube top with sealing compound, DN25 aqueducts are set up in the soleplate
Portion, the pouring molding together with concrete floor；
3）Osmos tube is connected by DN25 aqueducts, and when hydraulic pressure is larger, every a string at least two outlets guide to underground water nearby
In catch pit, and municipal pipeline is discharged to by water pump.
2. the method according to claim 1, it is characterised in that the step（1）In osmos tube foundation trench excavation method
For：Osmos tube position is positioned according to drawing unwrapping wire, it is 500mm × 500mm × 700mm to excavate osmos tube foundation trench size, side wall and
Cheat bottom surface dust to remove totally, osmos tube foundation trench is located under bottom cushion, completes before bottom cushion is constructed.
3. the method according to claim 1, it is characterised in that the step（1）In osmos tube processing method be：Ooze
Saturating pipe uses DN100 coating steel pipes, and the Ф 10 of pipe periphery perforate 20, pipe range 600mm, for pitch-row between 7~12cm, DN100 is zinc-plated
Steel pipe is suitable for reading to be provided with necking, and DN25 aqueducts are drawn at necking, and one section of DN25 aqueduct of access, osmos tube perforate are complete before processing
After in inside pipe wall and outer wall brushing asphalt caulk, then swathed with non-woven fabrics is closely knit, after swathing, in non-woven fabrics outer layer brushing pitch again
Paint, carry out preservative treatment.
4. the method according to claim 1, it is characterised in that the step（1）In osmos tube lay and backfill apply
Work method is：One 300mm × 300mm × 700mm wooden model is put into the osmos tube foundation trench excavated, is put into and oozes in osmos tube
50mm grading cobbles first are laid in osmos tube foundation trench bottom before saturating pipe foundation trench, osmos tube is placed in osmos tube foundation trench between two parties；Ooze
Particle diameter 10mm~30mm grading cobble is backfilled between pipe and wooden model thoroughly, coarse sand is backfilled between wooden model and osmos tube foundation trench wall；Return
Wooden model is ejected with reinforcing bar after the completion of filling out, then loaded filter is tamped.
5. the method according to claim 1, it is characterised in that the step（2）In DN25 aqueduct installations
Method is：Slab Waterproof Construction carries out parcel closing with sealing compound to reserving the aqueduct on osmos tube, and DN25 aqueducts are set up
Portion and bottom plate bearing rod colligation are firm in the soleplate, the pouring molding together with concrete floor.
6. the method according to claim 1, it is characterised in that catch pit is the reserved hole of construction of bottom plates, is poured in concrete
Installation masterplate sizing before building.
7. according to the method for claim 6, it is characterised in that water pump is installed, water pump sets floating after the completion of catch pit cleaning
Ball automatic water pumping device for water, water pump is automatically turned on after water level reaches certain altitude, the automatic closing water pump after water level decreasing.
8. the method according to claim 1, it is characterised in that connect 1 manometer and 2 taps on aqueduct, one
Individual tap is normally opened, and a tap is only opened in heavy rain or wet season, and tap and manometer are pacified by catch pit side wall
Dress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487816.5A CN107419739B (en) | 2017-06-23 | 2017-06-23 | A kind of building bottom plate dewatering construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487816.5A CN107419739B (en) | 2017-06-23 | 2017-06-23 | A kind of building bottom plate dewatering construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107419739A true CN107419739A (en) | 2017-12-01 |
| CN107419739B CN107419739B (en) | 2019-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710487816.5A Active CN107419739B (en) | 2017-06-23 | 2017-06-23 | A kind of building bottom plate dewatering construction method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293578A (en) * | 2021-12-31 | 2022-04-08 | 广西建工第五建筑工程集团有限公司 | Basement drainage and water level monitoring system and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2746058A1 (en) * | 1977-10-13 | 1979-04-26 | Komp Hermann Josef Dipl Ing | Draining surroundings of buildings without construction work - using tubes projecting into soil connected to automatic pumping system |
| CN101705691A (en) * | 2009-10-30 | 2010-05-12 | 南通建工集团股份有限公司 | Construction method of dewatering well under foundation slab in foundation pit |
| CN202706063U (en) * | 2012-06-15 | 2013-01-30 | 南京工业大学 | Waterproof moistureproof system for basement |
| CN205152970U (en) * | 2015-10-23 | 2016-04-13 | 金磐集团有限公司 | Underground structure oozes drainage system |
| CN106065627A (en) * | 2016-07-06 | 2016-11-02 | 上海建工四建集团有限公司 | Building base plate drainage system and construction method thereof |
-
2017
- 2017-06-23 CN CN201710487816.5A patent/CN107419739B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2746058A1 (en) * | 1977-10-13 | 1979-04-26 | Komp Hermann Josef Dipl Ing | Draining surroundings of buildings without construction work - using tubes projecting into soil connected to automatic pumping system |
| CN101705691A (en) * | 2009-10-30 | 2010-05-12 | 南通建工集团股份有限公司 | Construction method of dewatering well under foundation slab in foundation pit |
| CN202706063U (en) * | 2012-06-15 | 2013-01-30 | 南京工业大学 | Waterproof moistureproof system for basement |
| CN205152970U (en) * | 2015-10-23 | 2016-04-13 | 金磐集团有限公司 | Underground structure oozes drainage system |
| CN106065627A (en) * | 2016-07-06 | 2016-11-02 | 上海建工四建集团有限公司 | Building base plate drainage system and construction method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293578A (en) * | 2021-12-31 | 2022-04-08 | 广西建工第五建筑工程集团有限公司 | Basement drainage and water level monitoring system and construction method thereof |
| CN114293578B (en) * | 2021-12-31 | 2023-10-20 | 广西建工第五建筑工程集团有限公司 | System for monitoring drainage and water level of basement and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107419739B (en) | 2019-04-19 |
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