CN105201002B - A kind of underground structure oozes drainage system and its construction method - Google Patents
A kind of underground structure oozes drainage system and its construction method Download PDFInfo
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- CN105201002B CN105201002B CN201510692184.7A CN201510692184A CN105201002B CN 105201002 B CN105201002 B CN 105201002B CN 201510692184 A CN201510692184 A CN 201510692184A CN 105201002 B CN105201002 B CN 105201002B
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Abstract
A kind of underground structure oozes drainage system and its construction method, belongs to technical field of building construction.It includes oozing gutter, sump, wearing bottom plate draw-off point, gutter is oozed to communicate by four-way connection with sump, gutter and sump is oozed to constitute by geotextiles screen pack, rubble filter layer and horizontally disposed collector pipe, wear bottom plate draw-off point and be arranged on engineering structure bottom plate and junction at the top of sump, wear bottom plate draw-off point to be connected with the collector pipe in sump by metal tube, collector pipe is provided with perforate.In construction period, seepage in underground can be discharged in time, construction period basement floating-up caused by Groundwater buoyancy is prevented effectively from, it is to avoid base arrangement crack by setting this to ooze drainage system by the present invention；By the way that to underground water pressure release, the secondary utilization lowering level of ground water of reasonable development reaches water-saving purpose, it is small to Geological Environment Influence to ooze drainage system, and construction is not influenceed by surrounding enviroment；Its construction technology is simple, workable, is applicable popularization and application.
Description
Technical field
The invention belongs to technical field of building construction, and in particular to a kind of underground knot being arranged on below engineering structure bottom plate
Structure oozes drainage system and its construction method, can effectively reduce the water buoyancy suffered by construction stage structure base slab, compared to anti-float anchor rod,
Uplift pile, which has, saves construction costs, reduces process, reduces cost, speed up the work, the high advantage of the simple controllability of technique.
Background technology
Use the measure of anti float of anti-float anchor rod, uplift pile based on anti-more basement engineering structure, and dredge drainage measure
Using relatively fewer, it is unfavorable for saving construction cost；Its construction stage need to avoid water buoyancy drawing crack structure base slab, precipitation by precipitation
It is costly, it is big to surrounding environment influence.
The content of the invention
For the above-mentioned problems in the prior art, draining system is oozed it is an object of the invention to provide a kind of underground structure
System and its construction method, the underground water in the range of engineering structure bottom plate are collected, flow path, by foundation ditch periphery sump, wear knot
The draw-off point discharge of structure bottom plate, is effectively reduced construction stage precipitation expense, influences small to surrounding enviroment, it is to avoid because of Groundwater
Basement floating-up caused by buoyancy and soleplate crack, with preferable economic benefit and social benefit.
A kind of described basement bottom board anti-floating oozes drainage system, including oozes gutter, sump, wears bottom plate draw-off point,
It is characterized in that the gutter of oozing is communicated with sump by four-way connection, the gutter of oozing is horizontally set on engineering structure
Below bottom plate, the sump is secretly set under structure base slab vertically, and the gutter of oozing is by geotextiles screen pack, rubble filter layer
Constituted with horizontally disposed collector pipe, sump is made up of geotextiles screen pack, rubble filter layer and the collector pipe being vertically arranged,
The bottom plate draw-off point of wearing is arranged on engineering structure bottom plate and junction at the top of sump, and the bottom plate draw-off point of wearing passes through metal
Pipe is connected with the collector pipe in sump, and collector pipe is provided with perforate, and Groundwater infiltration is oozed after the collector pipe in gutter, passes through four
Pass joint is imported in the collector pipe of sump, is drained by metal tube by wearing bottom plate draw-off point.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that it is described ooze gutter trench cross section be
Trapezoidal, the narrow wide trapezium structure under, the trapezoidal upper bottom is located at channel bottom, and bottom is located at the top of groove.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that the trench aspect to being staggered,
It first lays geotextiles after channel excavation vertically and horizontally at intervals of 20-30m, groove bottom 400mm, its a height of 300mm in ditch
As screen pack, 4-6cm rubble filter layer is covered with geotextiles screen pack, collector pipe level is layed in rubble filter layer
Between.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that the collection for oozing gutter and sump
The a diameter of 3-6mm, preferably 5mm of the densely covered perforate of water pipe tube wall.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that the collector pipe inclination for oozing gutter is put
Put, one end that collector pipe is connected with four-way connection is less than the other end away from four-way connection, the gradient between two ends for 0.5% ~
1.0%。
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that the sump size is 400 × 400
× 1000mm, adjacent sump is at intervals of 20-30m, and sump first spreads geotextiles after excavating and makees geotextiles screen pack, geotextiles mistake
4-6cm rubble filter layer is covered with filter screen, collector pipe is inserted vertically into rubble filter layer.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that described metal tube upper end passes engineering
Structure base slab, lower end is inserted in the collector pipe in sump, and metal tube is located at the setting worn above bottom plate draw-off point and welds a circle
Seal ring.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that described to wear bottom after construction work completion
Plate draw-off point is welded by cover plate and seal ring and blocked, then is filled out by concrete benefit.
A kind of described basement bottom board anti-floating oozes drainage system, it is characterised in that described to wear bottom after construction work completion
Plate draw-off point is provided with the galvanizing pipe connected with metal tube by cover plate, and the galvanizing pipe is extend out to outside engineering structure bottom plate, should
Hydraulic-pressure regulating valve is installed, the Open valve pressure release when water pressure is increased to preset value imports current nearby on galvanizing pipe
In engineering structure sump.
A kind of described basement bottom board anti-floating oozes the construction method of drainage system, it is characterised in that comprise the following steps：
1）Excavation of foundation pit；
2）Underground is oozed drainage groove, sump and excavated, and groove bottom is 400 mm, a height of 300mm, is vertically and horizontally spaced 20-
30m is arranged；The mm of sump 400 × 400 × 1000, adjacent sump interval 20-30m arrangements；
3）Ooze in drainage groove and insert particle diameter 4-6cm rubbles in paving geotextiles, geotextiles；
4）Collector pipe is put into groove, the pipe end that catchments is located on sump, and collector pipe is connected by four-way connection, collector pipe
It is obliquely installed, its gradient 0.5% ~ 1.0%, tube wall perforate of catchmenting, wraps up collector pipe in grid cloth, sump and vertically place, and
It is connected with four-way connection；
5）Rubble is backfilled in groove, sump, compacting, obtains rubble filter layer；
6）The thick C15 bed courses of 100mm, i.e. concrete cushion are poured on rubble filter layer；
7）Engineering structure construction of bottom plates, sump wears engineering structure bottom plate position to wear bottom plate draw-off point, is inserted in metal tube,
Metal tube tube wall welds seal ring, and metal bottom of the tube is located at reserving hole at sump, communicated with collector pipe, engineering structure bottom plate
Only poured to the height of seal ring with wearing the concrete between bottom plate draw-off point；
8）During structure construction, sump internal water accumulation is discharged in time；
9）After the completion of basement roof earthing ballast, as needed, part sump can be blocked, partly can be after indwelling
With；Occluding member is poured into metal tube with C30 slightly expanded concretes, subsequent metal tube mouth of pipe 8mm steel plate welded closures, collection
Reserving hole concreting at well；External galvanizing pipe is set on the first welded cover plate of the sump of indwelling part, cover plate,
Galvanizing pipe installs hydraulic-pressure regulating valve after being higher by engineering structure bottom plate, subtracts when hydraulic pressure rises to preset value and then automatically turns on valve
Pressure.
By using above-mentioned technology, compared with prior art, beneficial effects of the present invention are as follows：
1）The present invention, in construction period, seepage in underground can be discharged in time, is prevented effectively from and applies by setting this to ooze drainage system
The basement floating-up caused by Groundwater buoyancy between duration, it is to avoid produce the base arrangement crack that Groundwater pressure is caused；
By the way that to underground water pressure release, the secondary utilization lowering level of ground water of reasonable development reaches water-saving purpose, by oozing drainage system certainly
Right pressure release precipitation, than taking the measure costs such as well-points dewatering more to save, and oozes that drainage system is small to Geological Environment Influence, construction is not
Influenceed by surrounding enviroment；
2）The present invention to ooze drainage system its construction technology simple, it is workable, be applicable popularization and application.
Brief description of the drawings
Fig. 1 is row's infiltration system structure diagram of the invention；
Fig. 2 is present invention row's seepage ditch horizontal section schematic diagram；
Fig. 3 is to wear structure base slab draw-off point occluding member structural representation；
Fig. 4 is to wear structure base slab draw-off point indwelling part-structure schematic diagram.
In figure：1- engineering structure bottom plates, 2- concrete cushions, 3- geotextiles screen packs, 4- rubble filter layers, 5- catchments
Pipe, 6- metal tubes, 7- seal rings, 8- four-way connections, 9- cover plates, 10- galvanizing pipes, 11- hydraulic-pressure regulating valves.
Embodiment
Below in conjunction with Figure of description, the invention will be further described, but protection scope of the present invention is not limited in
This：
As shown in Figure 1-2, a kind of basement bottom board anti-floating of the invention oozes drainage system, including ooze gutter, sump,
Bottom plate draw-off point is worn, the gutter of oozing is communicated with sump by four-way connection, and the gutter of oozing is horizontally set on engineering
Below structure base slab 1, the sump is secretly set under structure base slab vertically, and the gutter of oozing is by geotextiles screen pack 3, rubble
Filter layer 4 and horizontally disposed collector pipe 5 are constituted, and sump is by geotextiles screen pack 3, rubble filter layer 4 and is vertically arranged
Collector pipe 5 is constituted, and the bottom plate draw-off point of wearing is arranged on engineering structure bottom plate 1 and junction at the top of sump, described to wear bottom plate
Draw-off point is connected by metal tube 6 with the collector pipe 5 in sump, and collector pipe 5 is provided with perforate, and Groundwater infiltration oozes gutter
Collector pipe 5 after, by four-way connection 8 import sump collector pipe 5 in, drained by metal tube 6 by wearing bottom plate draw-off point.
As illustrated, the trench aspect for oozing gutter in the embodiment of the present invention is to being staggered, trench cross section be it is trapezoidal,
The narrow wide trapezium structure under, the trapezoidal upper bottom is located at channel bottom, and bottom is located at the top of groove, and it is vertically and horizontally at intervals of 20-
Geotextiles first are laid as screen pack 3, geotechnique in ditch after 30m, groove bottom 400mm, its a height of 300mm, channel excavation
4-6cm rubble filter layer 4 is covered with cloth screen pack 3, the level of collector pipe 5 is layed in the middle of rubble filter layer 4；For the ease of stream
Water, the embodiment of the present invention will ooze the slant setting of collector pipe 5 in gutter, and one end that collector pipe 5 is connected with four-way connection 8 is less than remote
From the other end of four-way connection 8, the gradient between two ends is 0.5% ~ 1.0%.
As illustrated, the sump size in the embodiment of the present invention is 400 × 400 × 1000mm, adjacent sump interval
For 20-30m, sump first spreads geotextiles after excavating and makees to be covered with 4-6cm rubble on geotextiles screen pack 3, geotextiles screen pack 3
Filter layer 4, collector pipe 5 is inserted vertically into rubble filter layer 4.
For the ease of collecting seepage in underground, the present invention, which gathers the tube wall of collector pipe 5 for oozing gutter and sump, to be opened
Hole, a diameter of 3-6mm of perforate, preferably 5mm.
As shown in Figure 3 and Figure 4, the bottom plate draw-off point of wearing connects collector pipe 5 by metal tube 6, and the upper end of metal tube 6 is passed
Engineering structure bottom plate 1, lower end is inserted in the collector pipe 5 in sump, and metal tube 6 is located at the setting weldering worn above bottom plate draw-off point
A circle seal ring 7 is connect, after construction work completion, the bottom plate draw-off point part of wearing is blocked, part indwelling, the occluding member
Wear bottom plate draw-off point and closure is welded by cover plate 9 and seal ring 7, then filled out by concrete benefit；Bottom plate draw-off point is worn by covering in indwelling part
Plate 9 is provided with the galvanizing pipe 10 connected with metal tube 6, and the galvanizing pipe 10 is extend out to outside engineering structure bottom plate 1, the zinc-plated water
Hydraulic-pressure regulating valve 11, the Open valve pressure release when water pressure is increased to preset value, by the work of current importing nearby are installed on pipe 10
In journey structure sump.
The construction method that the basement bottom board anti-floating of the present invention oozes drainage system is as follows：
1）Excavation of foundation pit；
2）Underground is oozed drainage groove, sump and excavated, and groove can be trapezium structure, or square structure, trapezoidal
The bottom of structured channel is 400 mm, a height of 300mm, and the size of square trench is 300 × 300mm, is vertically and horizontally spaced 20-30m
Arrangement；The mm of sump 400 × 400 × 1000, adjacent sump interval 20-30m arrangements；
3）Ooze in drainage groove and insert particle diameter 4-6cm rubbles in paving geotextiles, geotextiles；
4）Collector pipe 5 is put into groove, the pipe end that catchments is located on sump, and collector pipe is connected by four-way connection 8, is catchmented
Pipe 5 is obliquely installed, its gradient 0.5% ~ 1.0%, the tube wall perforate of collector pipe 5, is wrapped up collector pipe 5 in grid cloth, sump and is vertically put
Put, and be connected with four-way connection 8；
5）Rubble is backfilled in groove, sump, compacting, obtains rubble filter layer 4；
6）The thick C15 bed courses of 100mm, i.e. concrete cushion 2 are poured on rubble filter layer；
7）Engineering structure construction of bottom plates, sump wears engineering structure bottom plate position to wear bottom plate draw-off point, is inserted in metal tube
6, the tube wall of metal tube 6 welding seal ring 7, the bottom of metal tube 6 is located at reserving hole at sump, communicated with collector pipe 5, engineering knot
Structure bottom plate 1 and the concrete worn between bottom plate draw-off point are only poured to the height of seal ring 7；
8）During structure construction, sump internal water accumulation is discharged in time；
9）After the completion of basement roof earthing ballast, as needed, part sump can be blocked, partly can be after indwelling
With；Occluding member is poured into metal tube 6 with C30 slightly expanded concretes, the subsequent mouth of pipe of metal tube 6 welded closure of cover plate 9, cover plate
9 be reserving hole concreting at 8mm steel plates, sump；Set on the first welded cover plate 9 of the sump of indwelling part, cover plate 9
External galvanizing pipe 10 is put, galvanizing pipe 10 is higher by installation hydraulic-pressure regulating valve 11 after engineering structure bottom plate, when hydraulic pressure rises to
Preset value then automatically turns on valve decompression.
Claims (6)
1. a kind of basement bottom board anti-floating oozes drainage system, including oozes gutter, sump, wears bottom plate draw-off point, its feature exists
Communicated in the gutter of oozing with sump by four-way connection, the gutter of oozing is horizontally set on engineering structure bottom plate（1）
Below, the sump is secretly set under structure base slab vertically, and the gutter of oozing is by geotextiles screen pack（3）, rubble filter layer
（4）With horizontally disposed collector pipe（5）Constitute, sump is by geotextiles screen pack（3）, rubble filter layer（4）Be vertically arranged
Collector pipe（5）Constitute, the bottom plate draw-off point of wearing is arranged on engineering structure bottom plate（1）With sump at the top of junction, it is described
Wear bottom plate draw-off point and pass through metal tube（6）With the collector pipe in sump（5）Connection, collector pipe（5）It is provided with perforate, underground water
Ooze the collector pipe in gutter（5）Afterwards, four-way connection is passed through（8）Import the collector pipe of sump（5）In, by metal tube（6）
Drained by wearing bottom plate draw-off point, the trench cross section for oozing gutter is trapezoidal, the narrow wide trapezium structure under, on this is trapezoidal
Bottom is located at channel bottom, and bottom is located at the top of groove, the trench aspect to being staggered, its vertically and horizontally at intervals of 20-30m,
First geotextiles, which are laid, after groove bottom 400mm, its a height of 300mm, channel excavation in ditch is used as screen pack（3）, geotextiles
Screen pack（3）On be covered with 4-6cm rubble filter layer（4）, collector pipe（5）Level is layed in rubble filter layer（4）Centre, it is described
Metal tube（6）Upper end passes engineering structure bottom plate（1）, the collector pipe that lower end is inserted in sump（5）In, metal tube（6）Position
Seal ring is enclosed in wearing the welding of the setting above bottom plate draw-off point one（7）, after construction work completion, the bottom plate draw-off point of wearing is by covering
Plate（9）With seal ring（7）Welding closure, then filled out by concrete benefit, the cover plate for wearing bottom plate draw-off point（9）It is provided with and metal
Pipe（6）The galvanizing pipe of connection（10）, the galvanizing pipe（10）It extend out to engineering structure bottom plate（1）Outside, the galvanizing pipe（10）
Upper installation hydraulic-pressure regulating valve（11）, the Open valve pressure release when water pressure is increased to preset value, by the engineering of current importing nearby
In structure sump.
2. a kind of basement bottom board anti-floating according to claim 1 oozes drainage system, it is characterised in that described to ooze gutter
With the collector pipe of sump（5）A diameter of 3-6mm of the densely covered perforate of tube wall.
3. a kind of basement bottom board anti-floating according to claim 1 oozes drainage system, it is characterised in that described to ooze gutter
With the collector pipe of sump（5）A diameter of 5mm of the densely covered perforate of tube wall.
4. a kind of basement bottom board anti-floating according to claim 1 oozes drainage system, it is characterised in that ooze the collection in gutter
Water pipe（5）Slant setting, collector pipe（5）With four-way connection（8）One end of connection is less than away from four-way connection（8）The other end,
The gradient between two ends is 0.5% ~ 1.0%.
5. a kind of basement bottom board anti-floating according to claim 1 oozes drainage system, it is characterised in that the sump chi
Very little is 400 × 400 × 1000mm, and adjacent sump is at intervals of 20-30m, and sump first spreads geotextiles after excavating and makees geotextiles mistake
Filter screen（3）, geotextiles screen pack（3）On be covered with 4-6cm rubble filter layer（4）, collector pipe（5）It is inserted vertically into rubble filter layer
（4）It is interior.
6. a kind of a kind of basement bottom board anti-floating according to claim 1 oozes the construction method of drainage system, its feature exists
In comprising the following steps：
1）Excavation of foundation pit；
2）Underground is oozed drainage groove, sump and excavated, and groove bottom is 400 mm, a height of 300mm, is vertically and horizontally spaced 20-30m
Arrangement；The mm of sump 400 × 400 × 1000, adjacent sump interval 20-30m arrangements；
3）Ooze in drainage groove and insert particle diameter 4-6cm rubbles in paving geotextiles, geotextiles；
4）Collector pipe is put into groove（5）, collector pipe（5）Termination is located on sump, collector pipe（5）By four-way connection（8）Even
Connect, collector pipe（5）It is obliquely installed, its gradient 0.5% ~ 1.0%, collector pipe（5）Tube wall perforate, wraps up in grid cloth, sump and collecting
Water pipe（5）It is vertical to place, and and four-way connection（8）Connection；
5）Rubble is backfilled in groove, sump, compacting, obtains rubble filter layer（4）；
6）Rubble filter layer（4）On pour the thick C15 bed courses of 100mm, i.e. concrete cushion（2）；
7）Engineering structure bottom plate（1）Construction, sump wears engineering structure bottom plate（1）Metal is inserted in wear bottom plate draw-off point in position
Pipe（6）, metal tube（6）Tube wall welds seal ring（7）, metal tube（6）Bottom is located at reserving hole at sump, with collector pipe
（5）Communicate, engineering structure bottom plate（1）Only poured to seal ring with wearing the concrete between bottom plate draw-off point（7）Height；
8）During structure construction, sump internal water accumulation is discharged in time；
9）After the completion of basement roof earthing ballast, as needed, part sump can be blocked, and can partly be used after indwelling；
Occluding member pours into metal tube with C30 slightly expanded concretes（6）It is interior, subsequent metal tube（6）The mouth of pipe is welded with 8mm steel plates and sealed
Close, reserving hole concreting at sump；The first welded cover plate of the sump of indwelling part（9）, cover plate（9）It is upper to set external
Galvanizing pipe（10）, galvanizing pipe（10）It is higher by engineering structure bottom plate（1）After hydraulic-pressure regulating valve is installed（11）, when hydraulic pressure rises
Valve decompression is then automatically turned on to preset value.
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| CN201510692184.7A CN105201002B (en) | 2015-10-23 | 2015-10-23 | A kind of underground structure oozes drainage system and its construction method |
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| CN106968712B (en) * | 2017-05-12 | 2023-06-09 | 西南交通大学 | Tunnel bottom drainage structure of water-rich stratum and construction method thereof |
| CN108396787A (en) * | 2018-05-21 | 2018-08-14 | 中建四局第六建筑工程有限公司 | A kind of basement bottom board anti-floating pressure relief device and its application method |
| CN108868185B (en) * | 2018-06-30 | 2020-05-12 | 厦门防水博士建筑工程有限公司 | Building ground water channeling leakage repairing system |
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| CN109372033A (en) * | 2018-11-13 | 2019-02-22 | 湖北天利建筑技术有限责任公司 | Water draw-off and its construction method for Underground Building for Anti-floating |
| CN109440775B (en) * | 2018-12-27 | 2020-11-24 | 云南省建设投资控股集团有限公司 | Sinking type foundation pit dewatering and drainage system, construction method and use method |
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