CN108625404A - Based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination - Google Patents
Based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination Download PDFInfo
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- CN108625404A CN108625404A CN201810407652.5A CN201810407652A CN108625404A CN 108625404 A CN108625404 A CN 108625404A CN 201810407652 A CN201810407652 A CN 201810407652A CN 108625404 A CN108625404 A CN 108625404A
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- 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
- E02D31/02—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 ground humidity or ground water
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention provide it is a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, including：Step 1, slip casting, step 2, inside are dredged, for main infiltration source, using building coats has been excavated, the main underdrain of annular is set, and first permeable underdrain (10) and corresponding multiple pressure relief openings are set at its edge, water ejectment is designed into catch pit to original, and whether check effluent amount exceeded, if exceeded, add pumping equipment and form the complete lifting means of basement sewage；Mode two, for secondary infiltration source, second permeable underdrain (11) is uniformly arranged in each section, the a small amount of water for oozing out and from waterproof plank split is allowed to flow into second underdrain (11) through machine sand rubble or clinker in building coats, the waterproof bright ditch of original of ejectment to former catch pit or nearby again, step 3, dredge measure in periphery, the permeable french drain sump (13) of two surroundings of new production, a concrete drain tile (14) is buried, half way up the mountain water outlet (15) farther out is drained into.
Description
Technical field
The present invention relates to industrial building and public building technical fields, are based particularly on slip casting and the inside and outside ground for dredging combination
Lower room water-proof method for stopping leakage.
Background technology
Referring to Fig. 1, prior art basement column foundation top surface and water prevention plate structure include the impervious concretes of C50 of orthogonal connection
(5) and the impervious concretes of C30 (6), frame column 1 and splash guard 2, frame column 1 and splash guard 2 are mounted in backfill 4, basement column
It will appear preventing water phenomenon around basic top surface splash guard, seriously affect the safe to use of basement, analysis emits water range in reality
Basement construction in will appear very serious preventing water phenomenon splash guard at connecting sewing between the impervious concretes of C50 and the impervious concretes of C30
Also there are many waterproof plank splits (3), also will appear in range at crack and emit water, between the impervious concretes of C50 and the impervious concretes of C30
It is to cheat bottom ponding when pouring column foundation concrete up to walk with concrete to occur the reason of emitting water at connecting sewing (at A), with splash guard concrete phase
Mixed, slump is big, and leakiness, excess shrinkage produces crack, to emit water；Waterproof plank split range emit water (at B) the reason is that
Backfill below waterproof class is soft, does not tamp, and causes to crack.Mainly since basement column foundation top surface is not clean,
Disconnected to pour so as to form oblique the old and new's concrete contact construction surface seam, the common solution of the prior art is constructional waterproofing
Plate (2) contacts seam with the old and new's concrete of frame column (1), when column template is removed there are gap repaired by the artificial later stage.And
Known according to the experience of a large amount of construction sites：Early period, closure was invalid, and did not find main infiltration source position, therefore nothing
Method effectively solves the problems, such as basement leaking.
Invention content
In order to overcome the problems, such as the design present invention of the existing technology, the purpose of the present invention is to provide one kind being based on slip casting
And the inside and outside basement waterproofing blocking method for dredging combination, include the following steps：
Step 1, slip casting, including：
(1-1) will excavate the splash guard (2) on the basement column foundation top surface exposed at main infiltration source and seep water
Position is cleaned out；
(1-2) carries out high-pressure slip-casting to waterproof plank split (3) and New-old concrete construction surface seam, to reinforcement antirust and prevents
Stop-band walks the component part of jelling structure and foundation soil is lost in；
(1-3) is repaired smooth with C35P8 water-tight concrete jolt rammings；
Step 2, inside are dredged, including there are two types of modes for mainly seep water source and secondary infiltration source：
Mode one finds main infiltration source, first in the waterproof mainly to seep water on the top surface of source basis for main infiltration source
Around plate (2) infiltration source, using the building coats excavated, setting neither influences garage terrace again can pocket row's infiltration source mainstream
The overhead main underdrain of annular of closing of water, and first permeable underdrain (10) and accordingly multiple is set at the main underdrain edge of annular
Water ejectment is designed catch pit by pressure relief opening to original, and whether check effluent amount exceeded, if exceeded, added pumping equipment and is formed ground
The complete lifting means of lower room sewage；
Mode two, for secondary infiltration source, i.e. other region water percolating capacities of basement are little, only have office in building coats bottom
The infiltration section of a small amount of water in portion, in each section, second permeable underdrain (11) of generally uniform setting, allows from waterproof plank split
A small amount of water that exudation comes, flows into second underdrain (11), then draw through machine sand rubble or clinker in the building coats done
Former catch pit or the waterproof bright ditch of original nearby are drained into, second underdrain (11) is arranged at parking position, passes through cover board
Cast-in-place, face layer covering is invisible, is not arranged as possible on runway, some rooms can not be arranged；
Measure is dredged in step 3, periphery, the annular french drain (12) of basement surrounding setting, permeable blind of two surroundings of new production
Ditch sump (13) buries a concrete drain tile (14) for being not less than certain slope, by annular french drain according to certain orientation
In rainwater half way up the mountain water outlet (15) farther out is drained by the french drain sump (13).
Preferably, step (1-2) grouting operation should cut surface hollowing coagulation for the free drum of waterproof plate surface
It finds crack location after soil accurately and carries out high-pressure slip-casting.
Preferably, high-pressure slip-casting material selection soluble polyurethane chemical grouting material, using the high voltage power of machinery, by water
Soluble polyurethane chemical grouting material injects in distress in concrete, and the soluble polyurethane chemical grouting material can be anti-immediately with water
It answers, forms non-epoxy slurries and polymer water mud, and ensureing to be formed by soluble polyurethane chemical grouting material will not
Be diluted with water and wash away, the soluble polyurethane chemical grouting material encounter the moisture in distress in concrete can disperse rapidly, emulsify,
Flow is blocked in except concrete body, to reach sealing by expansion, consolidation, the elastomer-filled distress in concrete of consolidation
The purpose of leak stopping or reinforcement antirust.
Preferably, the main underdrain of annular includes the multiple closing outer hoops (7) arranged along inner ring and is arranged on outer shroud
Multiple corresponding outer hoops (8), multiple closing outer hoops (7) are equidistantly evenly arranged, multiple corresponding outer hoop (8) diameters arranged on outer shroud
It is identical as closing outer hoop (7), it is equidistantly evenly arranged, the multiple corresponding outer hoops arranged on multiple closing outer hoops (7) and outer shroud
(8) the empty angular diameter of four formed is identical, further includes multiple small stub vertical bars (9), the position pair of the multiple branch underdrain (10)
Quasi- infiltration source arrangement.
Preferably, the pumping equipment of adding is suction pump or submersible sewage pump (3-10), the complete promotion of basement sewage
Equipment includes box-type sewage lifting device (3-1), is connect with toilet sewage pipe (3-2), the toilet sewage pipe (3-2) with
The one end permeability cell (3-3) connects, and permeability cell (3-3) other end connects pressure by hose (3-4) and ring flange (3-5)
One end of table (3-6), pressure gauge (3-6) other end by concatenated gate valve (3-7) in circuit, check-valves (3-8) and
Rubber soft-jointing (3-9) is connect with the suction pump or submersible sewage pump (3-10), and the complete lifting means of basement sewage passes through soft
Property casing (3-11) is concatenated with original equipment.
Preferably, the building coats is 350 thick.
It is using the advantageous effect of above-mentioned technical proposal：According to on-site actual situations be based on slip casting and it is inside and outside dredge in conjunction with into
Row basement waterproofing leak stopping all cures live basement leaking problem by this method, produces apparent economic and society's effect
Benefit.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
The brief description of accompanying drawing
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.The target and feature of the present invention will be apparent from view of following description taken together with the accompanying drawings,
In attached drawing：
Attached drawing 1 is prior art basement column foundation top surface and water prevention plate structure and emits water position node diagram；
Attached drawing 2 is the main underdrain of annular and branch underdrain structure schematic diagram according to the embodiment of the present invention；
Attached drawing 3 is the complete lifting means schematic diagram of basement sewage according to the embodiment of the present invention；
Attached drawing 4 is to dredge measure deployed with devices figure according to the periphery of the embodiment of the present invention；
Attached drawing 5 is the basement waterproofing blocking construction detail view according to the embodiment of the present invention；
Attached drawing 6 is first underdrain (10) and second underdrain (11) construction detail view according to the embodiment of the present invention；
Attached drawing 7 is according to the underdrain plan view after the construction of the embodiment of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings, but is not intended to limit the present invention's
Protection domain.
The declaratives of attached drawing 1 are referring to background technology part.
The background of the embodiment be the infiltration of the Outpatient Building basement one of hospital emit that aqueous condition designs based on slip casting and interior
The outer basement waterproofing blocking method for dredging combination, includes the following steps：
Step 1, slip casting, including：
(1-1) will excavate the splash guard (2) on the basement column foundation top surface exposed at main infiltration source and seep water
Position is cleaned out；
(1-2) carries out high-pressure slip-casting to waterproof plank split (3) and New-old concrete construction surface seam, to reinforcement antirust and prevents
Stop-band walks the component part of jelling structure and foundation soil is lost in, and grouting operation should cut surface for the free drum of waterproof plate surface
It finds crack location after hollowing concrete accurately and carries out high-pressure slip-casting.High-pressure slip-casting material selection soluble polyurethane chemical grouting material,
Using the high voltage power of machinery, soluble polyurethane chemical grouting material is injected in distress in concrete, the water-soluble poly ammonia
Grouting material and water energy immediate response are learned in esterification, form non-epoxy slurries and polymer water mud, and ensure to be formed by water
Soluble polyurethane chemical grouting material, which will not be diluted with water, to be washed away, and the soluble polyurethane chemical grouting material encounters distress in concrete
In moisture can disperse rapidly, emulsify, expand, consolidate, flow is blocked in coagulation by the elastomer-filled distress in concrete of consolidation
Except soil structured body, to achieve the purpose that sealing leak stopping or reinforcement antirust；
(1-3) is repaired smooth with C35P8 water-tight concrete jolt rammings；
Step 2, inside are dredged, including there are two types of modes for mainly seep water source and secondary infiltration source：
Mode one finds main infiltration source, since infiltration source position and flow direction are all divided referring to Fig. 2 for main infiltration source
Cloth is wider and irregular, have it is bright have dark, by carefully observation and checking in the recent period, column foundation surface is exposed at 6
Infiltration is larger always, now may determine that at 6 to be main infiltration source, therefore first the splash guard at this at 6 on column foundation top surface seeps water source
Surrounding, using the 350 thick building coats excavated, setting neither influences garage terrace and the envelope of energy pocket row's infiltration source mainstream water
The overhead main underdrain of annular (referring to attached drawing 2 and Fig. 6) is closed, and first permeable underdrain is set at the main underdrain edge of annular
(10) and corresponding three pressure relief openings water ejectment, is designed into catch pit to original, and whether exceeded, if exceeded, add if checking effluent amount
Pumping equipment, such as increases a suction pump, and modification refers to the complete lifting means modification schematic diagram of mono- area's basement sewages of Fig. 3；
Mode two, for secondary infiltration source, i.e. other region water percolating capacities of basement are little, only at 350 thick building coats bottoms
There is the infiltration section of a small amount of water in part in portion, and due to 350 thick building coats on structurally waterproof plate top surface, the past has poured completion
1:2:4 cement machine sand rubbles or even 6cm and 4cm concrete toppings above have also been done, except not all large area excavates building
Face layer can just find the crack on all splash guards, otherwise can not accurately find crack specific location, also can not high-pressure slip-casting benefit
Leakage is compared second underdrain (11) that rationally economic solution is permeable in the generally uniform setting in each section, is allowed from splash guard
The a small amount of water come is oozed out in crack, and second is flowed into secretly through machine sand rubble or clinker in the 350 thick building coats done
Ditch (11), then original waterproof bright ditch of the ejectment to former catch pit or nearby, second underdrain (11) are mainly arranged in parking position
Place, cast-in-place by cover board, face layer covering is invisible, is not arranged as possible on runway, some rooms can not be arranged.
Measure is dredged in step 3, periphery, the annular french drain (12) of basement surrounding setting, permeable blind of two surroundings of new production
Ditch sump (13) northwards buries the concrete drain tile (14) (about 80 meters) of 1 meter of a diameter not less than 1% gradient, will
Rainwater in annular french drain drains into half way up the mountain water outlet (15) farther out by the french drain sump (13).
Referring to Fig. 2, the main underdrain of annular includes the multiple closing outer hoops (7) arranged along inner ring and is arranged on outer shroud multiple
Corresponding outer hoop (8), multiple closing outer hoops (7) are equidistantly evenly arranged, multiple corresponding outer hoop (8) diameters arranged on outer shroud and envelope
It is identical to close outer hoop (7), is 10, is equidistantly evenly arranged, spacing 100mm is arranged on multiple closing outer hoops (7) and outer shroud
Four empty angular diameters being formed of multiple corresponding outer hoops (8) it is identical, further include multiple small stub vertical bars (9), the multiple branch is dark
The position alignment infiltration source arrangement of ditch (10).
Referring to Fig. 3, it is suction pump or submersible sewage pump (3-10), the complete lifting means of basement sewage to add pumping equipment
Including box-type sewage lifting device (3-1), connect with toilet sewage pipe (3-2), the toilet sewage pipe (3-2) with it is ventilative
The one end (3-3) connection is managed, permeability cell (3-3) other end connects pressure gauge by hose (3-4) and ring flange (3-5)
The one end of (3-6), pressure gauge (3-6) other end pass through concatenated gate valve (3-7), check-valves (3-8) and rubber in circuit
Soft connect (3-9) of glue is connect with the suction pump or submersible sewage pump (3-10), and the complete lifting means of basement sewage passes through flexibility
Casing (3-11) is concatenated with original equipment.
Referring to Fig. 5, basement waterproofing blocking construction detail view according to the ... of the embodiment of the present invention, wherein integral waterproofing leak stopping is set
Alms giver will include column foundation (16), water expandable waterstop (17), impervious concrete C35P8 (18), band plum blossom hole drainage wall (19),
Steel plate (20) and filter layer (21).Standard brick is needed to build plum blossom hole drainage wall by laying bricks or stones, wall bottom hole is pressed every a step one, but for one
The main underdrain of annular of a little axis, is herein the concrete walls of one of ring seal, and wall arrangement of reinforcement is vertical bars and presses specification bar planting, is anchored into anti-
Water plate (2), the circular bar that horizontal bar is 5 a diameter of 10 are arranged using 0.75mm steel plates in drainage wall side, as bed die
Plate (punches) at small stub, and structural slab sets Punching Shear hangs muscle, if can not take out, must be arranged on the steel plate the long rivet of band hook and
By plum blossom spacing<400 must not arrange the deformation that falls off.Water expandable waterstop hard-pressed bale encloses column, two-layer two-way reinforcement diameter 10, length
120 or diameter 10, length 100, filter layer is thick using 150, and A graded broken stones tamp.The old and new's concrete contact surface palpus dabbing is washed when construction
Only, strict construction, concrete must vibratory compactions.
Referring to Fig. 6-7, for according to first underdrain (10) of the embodiment of the present invention and second underdrain (11) construction details
Figure, is only applicable to 600 sizes the A-A sections of first underdrain (10) of the main underdrain of annular of part axis, and filter layer 150 is wide
(A graded broken stones tamp), small with brick masonry band plum blossom hole drainage wall, wall bottom hole is pressed every a step one, and wherein A-A sections correspond to the
One underdrain (10), a-a sections correspond to second underdrain (11).
The present embodiment is based on slip casting according to on-site actual situations and inside and outside dredge combines progress basement waterproofing leak stopping, by this
Method all cures live basement leaking problem, produces apparent economic and social benefit
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Simultaneously those of ordinary skill in the art, according to an embodiment of the invention, specific implementation mode with
And there will be changes in application range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (6)
1. a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, it is characterised in that include the following steps：
Step 1, slip casting, including：
Splash guard (2) seepage part that (1-1) will have been excavated on the basement column foundation top surface exposed at main infiltration source
It is cleaned out；
(1-2) carries out high-pressure slip-casting to waterproof plank split (3) and New-old concrete construction surface seam, to reinforcement antirust and anti-stop-band
The component part and foundation soil for walking jelling structure are lost in；
(1-3) is repaired smooth with C35P8 water-tight concrete jolt rammings；
Step 2, inside are dredged, including there are two types of modes for mainly seep water source and secondary infiltration source：
Mode one finds main infiltration source, first in the splash guard (2) on the top surface of source basis that mainly seeps water for main infiltration source
Around infiltration source, using the building coats excavated, setting neither influences garage terrace and the envelope of energy pocket row's infiltration source mainstream water
The overhead main underdrain of annular is closed, and first permeable underdrain (10) and corresponding multiple pressure releases are set at the main underdrain edge of annular
Mouthful, by water ejectment to former design catch pit, and whether exceeded, if exceeded, add pumping equipment formation basement if checking effluent amount
The complete lifting means of sewage；
Mode two, for secondary infiltration source, i.e. other region water percolating capacities of basement are little, only have part few in building coats bottom
The infiltration section for measuring water, in each section, second permeable underdrain (11) of generally uniform setting, allows from waterproof plank split and oozes out
The a small amount of water come, flows into second underdrain (11), then ejectment is extremely through machine sand rubble or clinker in the building coats done
Former catch pit or the waterproof bright ditch of original nearby, second underdrain (11) is arranged at parking position, cast-in-place by cover board,
Face layer covering is invisible, is not arranged as possible on runway, some rooms can not be arranged；
Measure, the annular french drain (12) of basement surrounding setting, the permeable french drain collection of two surroundings of new production are dredged in step 3, periphery
Well (13) buries a concrete drain tile (14) for being not less than certain slope according to certain orientation, will be in annular french drain
Rainwater drains into half way up the mountain water outlet (15) farther out by the french drain sump (13).
2. it is according to claim 1 a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, it is special
Sign is：Step (1-2) grouting operation for the free drum of waterproof plate surface should cut surface hollowing concrete after find accurately
Crack location carries out high-pressure slip-casting.
3. it is according to claim 2 a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, it is special
Sign is：High-pressure slip-casting material selection soluble polyurethane chemical grouting material, using the high voltage power of machinery, by water-soluble poly ammonia
Ester chemical grouting material injects in distress in concrete, and the soluble polyurethane chemical grouting material and water energy immediate response are formed
Non-epoxy slurries and polymer water mud, and ensure that being formed by soluble polyurethane chemical grouting material will not be diluted with water
It washes away, the soluble polyurethane chemical grouting material, which encounters the moisture in distress in concrete, can disperse rapidly, emulsify, expanding, is solid
Knot, flow is blocked in except concrete body by the elastomer-filled distress in concrete of consolidation, to reach sealing leak stopping or benefit
The purpose of strong antirust.
4. it is according to claim 1 a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, it is special
Sign is：The main underdrain of annular includes the multiple closing outer hoops (7) arranged along inner ring and multiple correspondences for being arranged on outer shroud
Outer hoop (8), multiple closing outer hoops (7) are equidistantly evenly arranged, and multiple corresponding outer hoop (8) diameters arranged on outer shroud are outer with closing
Hoop (7) is identical, is equidistantly evenly arranged, what the multiple corresponding outer hoops (8) arranged on multiple closing outer hoops (7) and outer shroud were formed
Four empty angular diameters are identical, further include multiple small stub vertical bars (9), the position alignment infiltration source cloth of the multiple branch underdrain (10)
It sets.
5. it is according to claim 1 a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, it is special
Sign is：The pumping equipment of adding is suction pump or submersible sewage pump (3-10), and the complete lifting means of basement sewage includes
Box-type sewage lifting device (3-1) is connect with toilet sewage pipe (3-2), the toilet sewage pipe (3-2) and permeability cell
The one end (3-3) connects, and permeability cell (3-3) other end connects pressure gauge (3- by hose (3-4) and ring flange (3-5)
6) one end, pressure gauge (3-6) other end are soft by concatenated gate valve (3-7), check-valves (3-8) and rubber in circuit
It meets (3-9) to connect with the suction pump or submersible sewage pump (3-10), the complete lifting means of basement sewage passes through flexible sleeve
(3-11) is concatenated with original equipment.
6. it is according to claim 1 a kind of based on slip casting and the inside and outside basement waterproofing blocking method for dredging combination, it is special
Sign is：The building coats is 350 thick.
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| CN201810407652.5A CN108625404B (en) | 2018-05-02 | 2018-05-02 | Basement waterproof leaking stoppage method based on grouting and internal and external dredging combination |
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| CN201810407652.5A CN108625404B (en) | 2018-05-02 | 2018-05-02 | Basement waterproof leaking stoppage method based on grouting and internal and external dredging combination |
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Cited By (2)
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| CN111809668A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Construction method for leaking water and plugging and reinforcing periphery of foundation column of underground chamber |
| CN111827364A (en) * | 2020-07-13 | 2020-10-27 | 深圳市建工集团股份有限公司 | Construction method for basement structure bottom plate leakage subarea point type drainage prevention and combination |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827364A (en) * | 2020-07-13 | 2020-10-27 | 深圳市建工集团股份有限公司 | Construction method for basement structure bottom plate leakage subarea point type drainage prevention and combination |
| CN111809668A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Construction method for leaking water and plugging and reinforcing periphery of foundation column of underground chamber |
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|---|---|
| CN108625404B (en) | 2021-05-28 |
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