CN108489680A - Band room cubsoil basement base surface leakage detection method and system - Google Patents
Band room cubsoil basement base surface leakage detection method and system Download PDFInfo
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- CN108489680A CN108489680A CN201810388314.1A CN201810388314A CN108489680A CN 108489680 A CN108489680 A CN 108489680A CN 201810388314 A CN201810388314 A CN 201810388314A CN 108489680 A CN108489680 A CN 108489680A
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- infiltration
- base surface
- detection zone
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- cubsoil
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to building fields, in particular to a kind of band room cubsoil basement base surface leakage detection method and system.This method is included in basement base surface, using doubtful leakage region as detection zone, after being dug to detection zone, and observation infiltration flow direction.In detection zone after cutting, setting arrangement spacing.The corresponding infiltration parameter of statistics arrangement spacing.According to infiltration parameter, the functional relation between the size of infiltration decaying and arrangement spacing is obtained.The position relationship in infiltration source and detection zone is calculated according to functional relation.When this method can solve that leak occurs in basement Base isolation system in the prior art, processing is complicated, the low problem of efficiency.This method, it is easy to operate, it does not need large area and is excavated, save manpower and cost.
Description
Technical field
The present invention relates to building fields, in particular to a kind of band room cubsoil basement base surface leakage detection method
And system.
Background technology
Underground chamber base generally uses raft template basis.
Raft template basis, i.e. raft foundation.It is that independent foundation under column or strip footing are all contacted with connection beam
Come, below integrated poured bottom plate again.Raft foundation is divided into slab foundation and beam-slab bridge, and slab foundation supports part to add
Thick raft board type；Beam-slab bridge support girt strip on put down and it is lower put down two kinds of forms.Generally foundation bearing capacity it is uneven or
With raft template basis when ground weakness.And raft template embedded depth of foundation is than shallower, it might even be possible to do not buried depth formula basis.
Basement Base isolation system is since block placement, concrete binding site easily leak, when the room heart of basic top surface
Earthen backfill, face layer leak again after constructing, and run wild in soil due to seeping water, it is extremely difficult to judge the position of leakage point
It sets.
In the prior art, when there is leak for this basement Base isolation system, the method that generally uses be will occur it is bright
The position large area of water is dug, and leakage point is found out, and is easy to but can not find leakage point after excavating at this time.
Invention content
The purpose of the present invention is to provide a kind of band room cubsoil basement base surface leakage detection methods, solve the prior art
When leak occurs in middle basement Base isolation system, processing is complicated, the low problem of efficiency.
The purpose of the present invention is to provide a kind of band room cubsoil basement base surface seepage detection system, which can adopt
With simple method, leakage point when leak occurs in basement Base isolation system is rapidly and accurately detected.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows：
A kind of band room cubsoil basement base surface leakage detection method, including：
In basement base surface, using doubtful leakage region as detection zone, after being dug to detection zone, observation infiltration stream
To；
In detection zone after cutting, setting arrangement spacing；
The corresponding infiltration parameter of statistics arrangement spacing；
According to infiltration parameter, the functional relation between the size of infiltration decaying and arrangement spacing is obtained；
The position relationship in infiltration source and detection zone is calculated according to functional relation.
In preferred embodiments of the present invention,
Doubtful leakage region refers to the region of bright water occur on basement base surface.
In preferred embodiments of the present invention,
When being dug to detection zone, the area of cutting is less than 1 square meter.
In preferred embodiments of the present invention,
Arrange that spacing refers to the grid being arranged as the length of side using 10-20cm in detection zone；And it will according to infiltration flow direction
Grid is arranged to remaining basement base surface.
In preferred embodiments of the present invention,
The corresponding infiltration parameter of statistics arrangement spacing is counted using water ga(u)ge scale.
In preferred embodiments of the present invention,
Water ga(u)ge scale selects Doppler current meter.
In preferred embodiments of the present invention,
Infiltration parameter includes the water velocity and water flow of infiltration.
In preferred embodiments of the present invention,
Functional relation refers to the functional relation between water velocity, water flow and arrangement spacing.
In preferred embodiments of the present invention,
According to functional relation calculate infiltration source and detection zone position relationship, be according to water velocity, water flow with
And the functional relation between arrangement spacing, calculate the quantity of arrangement interval of the infiltration source apart from detection zone.
A kind of band room cubsoil basement base surface seepage detection system,
Band room cubsoil basement base surface seepage detection system includes cutting device, detection device and computer；
After cutting device digs detection zone, observation infiltration flow direction；
Detection device arranges the corresponding infiltration parameter of spacing for detecting in the detection zone after cutting, and infiltration is joined
Number acquisition is sent to computer；
Computer obtains the functional relation between the size of infiltration decaying and arrangement spacing according to infiltration parameter；And according to
Functional relation calculates the position relationship in infiltration source and detection zone.
The beneficial effects of the invention are as follows：
A kind of band room cubsoil basement base surface leakage detection method provided by the invention, including：In basement base surface,
Using doubtful leakage region as detection zone, after being dug to detection zone, observation infiltration flow direction.In detection zone after cutting,
Setting arrangement spacing.The corresponding infiltration parameter of statistics arrangement spacing.According to infiltration parameter, the size and arrangement of infiltration decaying are obtained
Functional relation between spacing.The position relationship in infiltration source and detection zone is calculated according to functional relation.This method can solve
When certainly leak occurs in basement Base isolation system in the prior art, processing is complicated, the low problem of efficiency.This method, it is easy to operate, no
It needs large area to be excavated, saves manpower and cost.
A kind of band room cubsoil basement base surface seepage detection system provided by the invention, including cutting device, detection dress
It sets and computer.After cutting device digs detection zone, observation infiltration flow direction.Detection device is for detecting after cutting
Detection zone in the corresponding infiltration parameter of arrangement spacing, and infiltration parameter acquisition is sent to computer.Computer is according to oozing
Water parameter obtains the functional relation between the size of infiltration decaying and arrangement spacing；And infiltration source is calculated according to functional relation
With the position relationship of detection zone.The system can use simple method, rapidly and accurately detect basement Base isolation system
There is leakage point when leak.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
A kind of band room cubsoil basement base surface leakage detection method of the embodiment of the present invention is specifically described below.
The present embodiment provides a kind of band room cubsoil basement base surface leakage detection methods comprising：
S1, in basement base surface, using doubtful leakage region as detection zone, to detection zone dig after, observation infiltration
Flow direction.
Further, doubtful leakage region refers to the region of bright water occur on basement base surface.
Generally when there is bright water on basement base surface, it may be possible to which the corresponding lower section of the basement base surface occurs
Leakage, but many times, due to the irregularities of basement base surface, the property for being easy to flow to lower region in conjunction with flow
Matter, corresponding bright water area on base surface can not correspond to the breakthrough of underground.
Therefore, at this point, when bright water occurs in base surface, which can only be determined as to doubtful leakage region.Further
The doubtful leakage region is determined as detection zone by ground, i.e., is dug from the detection zone.
Further, when being dug to detection zone, the area of cutting is less than 1 square meter.
It is small as far as possible for the cutting needs of detection zone, it is smaller to the damage for entirely descending chamber base raft plate in this way,
Subsequent repairing work is smaller.Smaller cutting can also save manpower to the greatest extent, cost-effective.Compared with the existing technology
In, the method that the position large area for bright water occur is dug greatly improves efficiency, has saved detection cycle.
Further, after being dug to detection zone, observation infiltration flow direction.
Observation infiltration flow direction, makes full use of the property of flow after cutting, to arrange that the direction of spacing carries for follow-up determine
For advantageous guarantee, is conducive to improve operating efficiency, reduces detection cycle.
In S2, the detection zone after cutting, setting arrangement spacing.
Further, arrangement spacing refers to the grid being arranged as the length of side using 10-20cm in detection zone；And according to oozing
Flow is arranged to by grid to remaining basement base surface.
Specifically, the region for needing further to detect can substantially be determined according to the infiltration of aforementioned determination flow direction.
Grid is set in the region for needing further exist for detection of above-mentioned determination, it being capable of the different inspection of the setting to the region
Measuring point, and then the relevant parameter for the corresponding underground water of subsequent detection these test points provides advantageous guarantee.
Further, it will arrange that spacing is set as the grid of the 10-20cm length of sides, the accuracy of detection can not only be improved,
It is smaller to the area of the cutting of underground chamber base and when subsequently finding breakthrough, workload is further reduced, favorably
In shortening construction period.
S3, the corresponding infiltration parameter of statistics arrangement spacing.
Further, the corresponding infiltration parameter of statistics arrangement spacing is counted using water ga(u)ge scale.
Specifically, in the present embodiment, above-mentioned water ga(u)ge scale selects Doppler current meter.Optionally, selection is super
Sound Doppler current meter or laser dopper flowmeter current meter.
Laser dopper flowmeter current meter is measured using laser, fast etc. with accuracy height, non-cpntact measurement, dynamic response
Advantage.It is used widely in flow velocity measurement.Acoustic doppler velocimeter is made of applied acoustics Doppler effect principle
Measurement instrument, using ultrasonic transducer, with ultrasonic listening flow velocity.
The model that above-mentioned laser dopper flowmeter current meter or ultrasonic Doppler current meter can select this field common
And specification.
In other of the invention optional embodiments, above-mentioned water ga(u)ge scale can also select common its in this field
His instrument and equipment applicatory that can carry out measuring water flow.
Further, infiltration parameter includes the water velocity and water flow of infiltration.
The water velocity and water flow obtained by water ga(u)ge scale measurement can be follow-up calculating water velocity, water
Functional relation between flow and arrangement spacing provides advantageous guarantee.
S4, according to infiltration parameter, obtain infiltration decaying size and arrangement spacing between functional relation.
According to the water velocity and water flow of aforementioned measurement, calculate between water velocity, water flow and arrangement spacing
Functional relation, and then determine the functional relation between the size of infiltration decaying and arrangement spacing, for it is follow-up calculate seep water source with
The position relationship of detection zone provides advantageous guarantee.
S5, the position relationship that infiltration source and detection zone is calculated according to functional relation.
According to functional relation calculate infiltration source and detection zone position relationship, be according to water velocity, water flow with
And the functional relation between arrangement spacing, calculate the quantity of arrangement interval of the infiltration source apart from detection zone.
By counting the quantity of arrangement interval of the counted infiltration source apart from detection zone, and then it can determine infiltration source
Region, to determine accurate position for follow-up dig.
Some embodiments of the present invention also provide a kind of band room cubsoil basement base surface seepage detection system, the system packet
Include cutting device, detection device and computer；
After cutting device digs detection zone, observation infiltration flow direction；
Detection device arranges the corresponding infiltration parameter of spacing for detecting in the detection zone after cutting, and infiltration is joined
Number acquisition is sent to computer；
Computer obtains the functional relation between the size of infiltration decaying and arrangement spacing according to infiltration parameter；And according to
Functional relation calculates the position relationship in infiltration source and detection zone.
With reference to specific embodiment and test example to band room cubsoil underground provided in an embodiment of the present invention chamber base
Face leakage detection method is verified.
The band room cubsoil basement base surface leakage detection method pair 10 provided using embodiment of the present invention is oozed
(meter is done respectively on the basement raft template basis of leakage：NO1-NO10 it) is detected.
After being dug in the region for occurring bright water to underground chamber base face, observation infiltration flow direction.According to flow to determination
The arrangement spacing of grid form is arranged in rough direction using 10*10cm as the length of side in the direction.Using sharp in the arrangement spacing
Light Doppler current meter detects the water velocity and water percolating capacity of each layout points.
Using the grid where bright water as coordinate origin, grid is continuously set to outside the origin, is tested in turn along water (flow) direction
Corresponding water velocity and water percolating capacity in each grid.Along water (flow) direction, the picture straight line since origin, the straight line passes through
The central point of each grid.
Spacing is arranged to pass through in this direction, the number of squares amount apart from origin indicates.
Statistical data see the table below：
| The water velocity of origin | The water flow of origin | Water velocity | Water flow | The arrangement spacing of seepage point | |
| NO 1 | 2.5m/s | 0.025m3/s | 6.5m/s | 0.065m3/s | 2000 |
| NO 2 | 1.5m/s | 0.015m3/s | 5.5m/s | 0.055m3/s | 1500 |
| NO 3 | 1.0m/s | 0.010m3/s | 5.0m/s | 0.050m3/s | 1000 |
| NO 4 | 1.2m/s | 0.012m3/s | 4.5m/s | 0.045m3/s | 1200 |
| NO 5 | 2.3m/s | 0.023m3/s | 6.0m/s | 0.060m3/s | 1800 |
| NO 6 | 2.1m/s | 0.021m3/s | 6.2m/s | 0.062m3/s | 1700 |
| NO 7 | 1.6m/s | 0.016m3/s | 5.4m/s | 0.054m3/s | 1300 |
| NO 8 | 2.4m/s | 0.024m3/s | 6.4m/s | 0.064m3/s | 1900 |
| NO 9 | 2.8m/s | 0.028m3/s | 7.3m/s | 0.073m3/s | 2400 |
| NO 10 | 2.0m/s | 0.020m3/s | 6.2m/s | 0.062m3/s | 1850 |
The band room cubsoil basement base surface leakage detection method provided using embodiment of the present invention, when underground chamber base
When leak occurs in raft plate, it can be accurately determined breakthrough, and operating method is simple and practicable, it is efficient, do not need large area
It is excavated, saves manpower and cost.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of band room cubsoil basement base surface leakage detection method, which is characterized in that including：
In basement base surface, using doubtful leakage region as detection zone, after being dug to the detection zone, observation infiltration stream
To；
In the detection zone after cutting, setting arrangement spacing；
Count the corresponding infiltration parameter of the arrangement spacing；
According to the infiltration parameter, the functional relation between the size of infiltration decaying and the arrangement spacing is obtained；
The position relationship in infiltration source and the detection zone is calculated according to the functional relation.
2. band room as described in claim 1 cubsoil basement base surface leakage detection method, which is characterized in that
The doubtful leakage region refers to the region of bright water occur on the basement base surface.
3. band room as claimed in claim 2 cubsoil basement base surface leakage detection method, which is characterized in that
When being dug to the detection zone, the area of cutting is less than 1 square meter.
4. band room as claimed in claim 3 cubsoil basement base surface leakage detection method, which is characterized in that
The arrangement spacing refers to the grid being arranged as the length of side using 10-20cm in the detection zone；And it is oozed according to described
Flow is arranged to by the grid to basement base surface described in remaining.
5. cubsoil basement base surface leakage detection method in band room according to any one of claims 1-4, which is characterized in that
Counting the corresponding infiltration parameter of the arrangement spacing is counted using water ga(u)ge scale.
6. band room as claimed in claim 5 cubsoil basement base surface leakage detection method, which is characterized in that
The water ga(u)ge scale selects Doppler current meter.
7. band room as described in claim 1 cubsoil basement base surface leakage detection method, which is characterized in that
The infiltration parameter includes the water velocity and water flow of the infiltration.
8. band room as claimed in claim 7 cubsoil basement base surface leakage detection method, which is characterized in that
The functional relation refers to the functional relation between the water velocity, the water flow and the arrangement spacing.
9. band room as claimed in claim 8 cubsoil basement base surface leakage detection method, which is characterized in that
According to the functional relation calculate infiltration source and the detection zone position relationship, be according to the water velocity,
Functional relation between the water flow and the arrangement spacing calculates cloth of the infiltration source apart from the detection zone
Set the quantity at interval.
10. a kind of band room cubsoil basement base surface seepage detection system, which is characterized in that
The band room cubsoil basement base surface seepage detection system includes cutting device, detection device and computer；
After the cutting device digs detection zone, observation infiltration flow direction；
The detection device is for detect in the detection zone after cutting the corresponding infiltration parameter of arrangement spacing, and by institute
It states infiltration parameter acquisition and is sent to the computer；
The computer show that the function between the size of infiltration decaying and the arrangement spacing closes according to the infiltration parameter
System；And the position relationship in infiltration source and the detection zone is calculated according to the functional relation.
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| CN201810388314.1A CN108489680B (en) | 2018-04-26 | 2018-04-26 | Method and system for detecting leakage of foundation surface of basement with room soil |
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| CN201810388314.1A CN108489680B (en) | 2018-04-26 | 2018-04-26 | Method and system for detecting leakage of foundation surface of basement with room soil |
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| CN108489680A true CN108489680A (en) | 2018-09-04 |
| CN108489680B CN108489680B (en) | 2020-12-18 |
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