CN109763518A - A kind of construction method of basement post-pouring zone - Google Patents
A kind of construction method of basement post-pouring zone Download PDFInfo
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- CN109763518A CN109763518A CN201910094077.2A CN201910094077A CN109763518A CN 109763518 A CN109763518 A CN 109763518A CN 201910094077 A CN201910094077 A CN 201910094077A CN 109763518 A CN109763518 A CN 109763518A
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- 230000003014 reinforcing effect Effects 0.000 claims description 35
- 239000004567 concrete Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010410 layer Substances 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000011241 protective layer Substances 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000004078 waterproofing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000002893 slag Substances 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 5
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- 238000001764 infiltration Methods 0.000 abstract description 5
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- 238000005336 cracking Methods 0.000 abstract description 4
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- 238000009412 basement excavation Methods 0.000 abstract description 3
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- 239000004793 Polystyrene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of construction methods of basement post-pouring zone, when excavating foundation trench, deep is dug into catch pit to part, effectively reduce amount of excavation, facilitate and ponding is discharged into catch pit, advantageously ensure that the drying of bottom plate rear pouring tape and post-pouring belt of outer wall, when clearing up bottom plate rear pouring tape and post-pouring belt of outer wall, also slag will can be built, silt etc., which is discharged into catch pit, concentrates cleaning, easily and thoroughly clear up, improve cleaning efficiency and effect, help to improve bottom plate rear pouring tape and post-pouring belt of outer wall pouring molding quality, sleeper is had additional simultaneously, it effectively avoids not living earth lateral pressure after backfill because bearing due to cracking, and then reduce the danger of post-pouring belt of outer wall leak infiltration, it is particularly suitable for ultra-deep foundation pit and the plentiful operating condition of underground water, ensure construction safety, save the construction period, reduce construction cost, it is subsequent when External Wall post-cast strip is poured only Single side formwork is needed, especially suitable for the construction operation under narrow place.
Description
Technical field
The present invention relates to basement post-pouring zone technical field of construction, in particular to a kind of construction party of basement post-pouring zone
Method.
Background technique
It is to prevent monolithic reinforced concrete structure since autogenous shrinkage is uneven or sedimentation unevenness may produce in construction
Raw harmful cracks need to stay in basement bottom board and exterior wall corresponding position and set post-cast strip according to design or the requirement of job specfication.
However in certain municipal constructions, since local groundwater resources are very rich, as foundation pit ultra-deep (more than 10m), underground water
Pressure is bigger, and existing late poured band structure is easy rainwater, underground water, silt and the rubbish on foundation pit periphery etc. from exterior wall deformation joint
Place enters basic body, is gathered in bottom plate rear pouring tape, is not easy to be discharged and clear up, the reinforcing bar and water-stopping steel be easy to causeing in structure
Plate is immersed in water and gets rusty, and the pouring quality of post-cast strip is influenced, and since hydraulic pressure and earth lateral pressure are larger after backfill, after exterior wall
It is also easy to appear cracking and leak after pouring belt construction, increases construction cost, schedule delays.
Summary of the invention
It is an object of the invention to overcome the construction method of existing basement post-pouring zone to be easy to make the sundries on foundation pit periphery
Into basic body, it is gathered in bottom plate rear pouring tape, it is difficult to discharge and cleaning, and then cause the above-mentioned deficiencies such as quality problems, it mentions
For a kind of construction method of basement post-pouring zone.
To achieve the goals above, the present invention provides following technical schemes:
A kind of construction method of basement post-pouring zone, comprising the following steps:
A, excavate foundation trench in foundation pit, at least two catch pits excavated in the bottom plate rear pouring tape of foundation trench, foundation trench bottom surface and
The bottom surface of catch pit is constructed concrete cushion, waterproof layer and protective layer;
B, the reinforcing bar of the reinforcing bar of construction basement bottom board and bottom plate rear pouring tape, and in the basement bottom board of bottom plate rear pouring tape and two sides
Between respectively pre-embedded steel slab waterstop;
C, the basement bottom board of bottom plate rear pouring tape two sides is poured, and temporary enclosed protection is carried out to bottom plate rear pouring tape;
D, the reinforcing bar of the reinforcing bar of construction outer wall of basement and post-pouring belt of outer wall, between post-pouring belt of outer wall and two sides outer wall of basement
Distinguish pre-embedded steel slab waterstop, water sealing part is set in the deformation joint between the exterior wall of two sides;
E, the outer wall of basement for pouring post-pouring belt of outer wall two sides, construction waterproof layer and protective layer on the outside of the outer wall of basement,
The reinforcing bar of construction basement roof and the reinforcing bar of top plate post-cast strip simultaneously pour basement roof;
F, layering backfilling of earthwork is carried out to foundation pit;
G, the sundries in post-pouring belt of outer wall and bottom plate rear pouring tape is cleared up into corresponding catch pit, then clears up all collection
Puddle;
H, all catch pits are backfilled, bottom plate rear pouring tape, post-pouring belt of outer wall and top plate post-cast strip are then successively poured, wait conserve
The construction of basement post-pouring zone can be completed in demoulding afterwards;
Wherein, the bottom surface of the catch pit is lower than the bottom surface of the bottom plate rear pouring tape, and the outer wall of basement of two sides is respectively along outside
It extends towards to form two opposite evagination ennations, the outer convex directions of two ennations is towards upstream face, two evaginations
A sleeper is respectively provided in the variable cross-section of ennation, the deformation joint is located between two ennations.
Using a kind of construction method of basement post-pouring zone of the present invention, when excavating foundation trench, in the bottom plate of foundation trench
At least two catch pits are excavated in post-cast strip, i.e., the foundation trench corresponding region are locally dug deeply, form catch pit, effectively reduce digging
Fang Liang, and in the construction process, facilitate and ponding is discharged into catch pit, advantageously ensures that bottom plate rear pouring tape and post-pouring belt of outer wall
Drying, clearing up bottom plate rear pouring tape and when post-pouring belt of outer wall, can will also build slag, silt etc. be discharged into catch pit concentrate it is clear
Reason, is easily and thoroughly cleared up, and is improved cleaning efficiency and effect, is helped to improve bottom plate rear pouring tape and post-pouring belt of outer wall pouring molding matter
Amount, and sleeper is had additional in outer wall of basement, sleeper and outer wall of basement formed by integrally casting effectively avoid after backfill because bearing
Incessantly earth lateral pressure and crack, and then reduce post-pouring belt of outer wall leak infiltration danger, be particularly suitable for ultra-deep foundation pit and underground
The plentiful operating condition of water, and the waterproof construction on the outside of the outer wall of basement that can construct in advance, make post-cast strip from foundation pit outside ground
It is lauched the influence with silt, reduces the exposure duration of foundation pit, ensures construction safety, saves the construction period, reduces construction cost, after
Continue and only need single side formwork when External Wall post-cast strip is poured, especially suitable for the construction operation under narrow place.
Preferably, in the step a, the catch pit be it is rectangular, the width of the catch pit and bottom plate rear pouring tape
Of same size, the bottom surface of the catch pit is 500-600mm lower than the bottom surface of bottom plate rear pouring tape.
Preferably, for the two neighboring catch pit at a distance of 10m-20m, catch pit described in two of them is located at the bottom
Two ends of board post poured band.
Using above-mentioned set-up mode, be conducive to post-pouring belt of outer wall and make full use of catch pit, convenient for will be in post-pouring belt of outer wall
Being discharged into catch pit of the quick and convenients such as slag, water, silt is built, to keep drying, improves pouring molding quality.
Preferably, in step a, the gradient that slope aspect corresponds to catch pit, the gradient are set when constructing concrete cushion
It is 5 ‰ -10 ‰.
Preferably, in stepb, the reinforcing bar on each catch pit top only retains connector, in step h, is using
After plain concrete backfills each catch pit, first the reinforcing bar at each catch pit position is connect with weld.
Using above-mentioned set-up mode, i.e., when installing the reinforcing bar of the bottom plate rear pouring tape and basement bottom board, by catch pit
Interior post-cast strip steel bar truncation, only there are splices, facilitate in work progress and clear up catch pit, and the later period first uses element
Then the post-cast strip steel bar on catch pit top and reserved steel bar welding are penetrated through, are not only more convenient, also by concrete backfill catch pit
It not will increase amount of reinforcement, successively pour bottom plate rear pouring tape, post-pouring belt of outer wall and top plate post-cast strip again later.
Preferably, in step c, railing also is installed included in the surrounding of each catch pit.
Preferably, additional waterproofing layer is added respectively on the inside of foundation trench and on the outside of deformation joint.
Using above-mentioned set-up mode, the risk of bottom plate rear pouring tape and post-pouring belt of outer wall leak infiltration further drops.
Preferably, the concrete grade of the bottom plate rear pouring tape is higher than basement underplate concrete grade, after the exterior wall
The concrete grade for pouring band is higher than the concrete grade of outer wall of basement.
Preferably, the thickness of the sleeper is equal to the thickness at outer wall of basement variable cross-section.
Preferably, the vertical muscle diameter of the sleeper is greater than or equal to the vertical muscle diameter of outer wall of basement.
In conclusion compared with prior art, the beneficial effects of the present invention are:
1, using a kind of construction method of basement post-pouring zone of the present invention, when excavating foundation trench, to part dig deep at
Catch pit effectively reduces amount of excavation, facilitates and ponding is discharged into catch pit, advantageously ensures that bottom plate rear pouring tape and post-pouring belt of outer wall
Drying, clearing up bottom plate rear pouring tape and when post-pouring belt of outer wall, can will also build slag, silt etc. be discharged into catch pit concentrate it is clear
Reason, is easily and thoroughly cleared up, and is improved cleaning efficiency and effect, is helped to improve bottom plate rear pouring tape and post-pouring belt of outer wall pouring molding matter
Amount, while sleeper is had additional, it effectively avoids not living earth lateral pressure after backfill because bearing due to cracking, and then reduce post-pouring belt of outer wall
The danger of leak infiltration, is particularly suitable for ultra-deep foundation pit and the plentiful operating condition of underground water, ensures construction safety, saves construction work
Phase reduces construction cost, subsequent only to need single side formwork when External Wall post-cast strip is poured, especially suitable for narrow place
Under construction operation.
Detailed description of the invention:
Fig. 1 is the structure plane of arrangement figure of basement of the present invention;
Fig. 2 is the structure sectional view in Fig. 1 at A-A;
Fig. 3 is the structure sectional view in Fig. 1 at B-B.
Marked in the figure: 1- catch pit, 2- concrete cushion, 3- waterproof layer, 4- basement bottom board, 5- bottom plate rear pouring tape, 6-
Outer wall of basement, 7- post-pouring belt of outer wall, 8- sleeper.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.But this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below, all to belong to the present invention based on the technology that the content of present invention is realized
Range.
Embodiment 1
A kind of construction method of basement post-pouring zone of the present invention, comprising the following steps:
A, foundation trench is excavated in foundation pit, at least two catch pits 1 is excavated in the bottom plate rear pouring tape 5 of foundation trench, in the bottom surface of foundation trench
It constructs concrete cushion 2, waterproof layer 3 and protective layer with the bottom surface of catch pit 1;
B, the reinforcing bar of the reinforcing bar of construction basement bottom board 4 and bottom plate rear pouring tape 5, and in the basement of bottom plate rear pouring tape 5 and two sides
Pre-embedded steel slab waterstop is distinguished between bottom plate 4;
C, the basement bottom board 4 of 5 two sides of bottom plate rear pouring tape is poured, and temporary enclosed protection is carried out to bottom plate rear pouring tape 5;
D, the reinforcing bar of the reinforcing bar of construction outer wall of basement 6 and post-pouring belt of outer wall 7, in post-pouring belt of outer wall 7 and two sides outer wall of basement 6
Between pre-embedded steel slab waterstop respectively, water sealing part is set in the deformation joint between the exterior wall 6 of two sides;
E, the outer wall of basement 6 for pouring 7 two sides of post-pouring belt of outer wall, in the 6 outside construction waterproof layer 3 of outer wall of basement and protection
Layer, the reinforcing bar for basement roof of constructing and the reinforcing bar of top plate post-cast strip simultaneously pour basement roof;
F, layering backfilling of earthwork is carried out to foundation pit;
G, the sundries in post-pouring belt of outer wall 7 and bottom plate rear pouring tape 5 is cleared up into corresponding catch pit 1, then clears up all institutes
State catch pit 1;
H, all catch pits 1 are backfilled, bottom plate rear pouring tape 5, post-pouring belt of outer wall 7 and top plate post-cast strip are then successively poured, to
The construction of basement post-pouring zone can be completed in demoulding after maintenance;
Wherein, the bottom surface of the catch pit 1 is lower than the bottom surface of the bottom plate rear pouring tape 5, and the outer wall of basement 6 of two sides is respectively along outer
Side extends towards to form two opposite evagination ennations, and for the outer convex direction of two ennations towards upstream face, two outer
A sleeper 8 is respectively provided in the variable cross-section of convex ennation, the deformation joint is located between two ennations.
The foundation trench that bottom plate rear pouring tape 5 is excavated in foundation pit, is excavated in the position of bottom plate rear pouring tape 5 by 45 ° of foundation trench slope
Few two catch pits 1, each catch pit 1 is rectangular, the width phase of the width and bottom plate rear pouring tape 5 of the catch pit 1
Together, the bottom surface of the catch pit 1 is 500-600mm lower than the bottom surface of bottom plate rear pouring tape 5, and the two neighboring catch pit 1 is apart
10m-20m, catch pit 1 described in two of them are located at two ends of the bottom plate rear pouring tape 5, that is, are located at post-pouring belt of outer wall
7 side is equipped with water pumper in catch pit 1, successively constructs concrete cushion 2, anti-in the bottom surface of foundation trench and the bottom surface of catch pit 1
Adhesive waterproof coil, additional waterproof course setting and bottom plate rear pouring tape can be used in water layer 3, additional waterproofing layer and protective layer, waterproof layer
And foundation trench 300mm is stretched out on catch pit position, width direction both sides, adhesive waterproof coil can also be used in additional waterproof course, and anti-
Water layer 3 is orthogonal, then uses cement mortar construction waterproof protective layer, the setting difference slope aspect two when constructing concrete cushion 2
The gradient of side catch pit 1, it is preferred that the gradient is 5 ‰ -10 ‰.
Then according to 5 reinforcing bar full-page proof construction reinforced bar of 4 reinforcing bar full-page proof of basement bottom board and bottom plate rear pouring tape, bottom plate rear pouring tape 5
The reinforcing bar at position must construct by design requirement, penetrate through, must not arbitrarily separate with the reinforcing bar of cast-in-place structural, and brush cement slurry wraps up
It is protected, and the reinforcing bar at 1 position of catch pit wouldn't construct, reserved steel bar connector, and brush cement slurry is protected, and after bottom plate
It pours 5 two sides of band and steel plate water stopper is installed respectively, the bending side of the steel plate water stopper towards upstream face, forbid to bore by steel plate water stopper
Hole, intersecting therewith stud should disconnect, steel plate water stopper and anchor rib firm welding.
Then basement bottom board 4 is poured using water-proof concrete, before pouring, pacified with the intersection of bottom plate rear pouring tape 5
Close mesh expanded metal lath is filled to stop concrete to be lost, after the completion of the basement bottom board 4 of two sides pours, is covered bottom plate rear pouring tape 5 with lid
Row closed protective is lived in, prevents from building the contaminants such as slag bottom plate rear pouring tape 5 and construction personnel tramples steel in bottom plate rear pouring tape 5
Muscle, and guard rail is set in 1 surrounding of catch pit, and place small-sized silt water pumper in catch pit 1 and draw water, guarantee
Reinforcing bar is not immersed in water in bottom plate rear pouring tape 5.
The reinforcing bar full-page proof of reinforcing bar full-page proof and post-pouring belt of outer wall 7 then according to outer wall of basement 6 is constructed, the ground of two sides
Lower room exterior wall 6 respectively extends towards to form two opposite evagination ennations, the outer convex direction of two ennations along outside
Towards upstream face, sleeper 8 is respectively arranged in the variable cross-section of two evagination ennations, it is preferred that the vertical muscle of the sleeper 8 is straight
Diameter is greater than or equal to the vertical muscle diameter of outer wall of basement 6, and the thickness of the sleeper 8 is equal to the thickness at 6 variable cross-section of outer wall of basement
Degree.
The deformation joint is located between two ennations, divides between post-pouring belt of outer wall 7 and two sides outer wall of basement 6
Water sealing part is arranged in the deformation joint between the exterior wall 6 of two sides in other pre-embedded steel slab waterstop, it is pre-buried such as in deformation joint in bury
Formula rubber fastening band, sealing bandwidth 350mm, thick 15mm, the end of waterstop adds one of lacing wire, clogs thickness in deformation joint and fit
The extruded polystyrene board matched.
Then the template for installing outer wall of basement 6 and post-pouring belt of outer wall 7, carries out placement layer by layer after firmly installing, template is torn open
After removing, screed-coat of constructing on the outside of outer wall of basement 6, then in deformation joint construction waterproof extra play, extra play width is
700mm, it is each to stretch out both ends 300mm, adhesive waterproof coil can be used, then construction waterproof layer 3 and protective layer again, then construction ground
The reinforcing bar of lower ceiling plate and the reinforcing bar of top plate post-cast strip simultaneously pour basement roof.
After the completion of basement roof construction, backfilling of earthwork, back-filling in layers compacting can be carried out to foundation pit in advance.
After meeting closed time requirement, bottom plate rear pouring tape 5 and post-pouring belt of outer wall 7 are cleared up, clear up seam crossing
Laitance and loose concrete, then clear up the attachment on reinforcing bar, finally will be miscellaneous in bottom plate rear pouring tape 5 and post-pouring belt of outer wall 7
Object is rinsed with giant, is rushed in nearest catch pit 1, then by catch pit 1 sundries and ponding clean out, then pour
Plain concrete backfill catch pit 1 is built, is penetrated through the post-cast strip steel bar on 1 top of catch pit and reserving rib welding after backfill, Bu Huizeng
Add amount of reinforcement.
Finally successively bottom plate rear pouring tape 5, post-pouring belt of outer wall 7 and top plate post-cast strip are poured, the bottom plate rear pouring tape 5
Concrete grade be higher than 4 concrete grade of basement bottom board, the concrete grade of the post-pouring belt of outer wall 7 lower outdoor above Ground
The concrete grade of wall 6, and constructed using microdilatancy water-proof concrete, after the completion of pouring, insulated curing is carried out, maintenance is completed
Afterwards, reach striking time form removal again, the construction of basement post-pouring zone can be completed.
Using a kind of construction method of basement post-pouring zone of the present invention, when excavating foundation trench, deep is dug to part
At catch pit, amount of excavation is effectively reduced, facilitates and ponding is discharged into catch pit, is poured after advantageously ensuring that bottom plate rear pouring tape and exterior wall
The drying of band is clearing up bottom plate rear pouring tape and when post-pouring belt of outer wall, can will also build slag, silt etc. be discharged into catch pit concentrate it is clear
Reason, is easily and thoroughly cleared up, and is improved cleaning efficiency and effect, is helped to improve bottom plate rear pouring tape and post-pouring belt of outer wall pouring molding matter
Amount, while sleeper is had additional, it effectively avoids not living earth lateral pressure after backfill because bearing due to cracking, and then reduce post-pouring belt of outer wall
The danger of leak infiltration, is particularly suitable for ultra-deep foundation pit and the plentiful operating condition of underground water, ensures construction safety, saves construction work
Phase reduces construction cost, subsequent only to need single side formwork when External Wall post-cast strip is poured, especially suitable for narrow place
Under construction operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of construction method of basement post-pouring zone, which comprises the following steps:
A, foundation trench is excavated in foundation pit, at least two catch pits (1) is excavated in the bottom plate rear pouring tape (5) of foundation trench, in foundation trench
Bottom surface and the bottom surface of catch pit (1) are constructed concrete cushion (2), waterproof layer (3) and protective layer;
B, the reinforcing bar of the reinforcing bar and bottom plate rear pouring tape (5) of construction basement bottom board (4), and in bottom plate rear pouring tape (5) and two sides
Pre-embedded steel slab waterstop is distinguished between basement bottom board (4);
C, the basement bottom board (4) of bottom plate rear pouring tape (5) two sides is poured, and temporary enclosed protection is carried out to bottom plate rear pouring tape (5);
D, the reinforcing bar of the reinforcing bar and post-pouring belt of outer wall (7) of construction outer wall of basement (6), in post-pouring belt of outer wall (7) and two sides underground
Pre-embedded steel slab waterstop is distinguished between room exterior wall (6), and water sealing part is set in the deformation joint between the exterior wall (6) of two sides;
E, the outer wall of basement (6) for pouring post-pouring belt of outer wall (7) two sides, the construction waterproof layer on the outside of the outer wall of basement (6)
(3) and protective layer, the reinforcing bar for basement roof of constructing and the reinforcing bar of top plate post-cast strip and basement roof is poured;
F, layering backfilling of earthwork is carried out to foundation pit;
G, the sundries in post-pouring belt of outer wall (7) and bottom plate rear pouring tape (5) is cleared up into corresponding catch pit (1), is then cleared up
All catch pits (1);
H, all catch pits (1) are backfilled, are poured after then successively pouring bottom plate rear pouring tape (5), post-pouring belt of outer wall (7) and top plate
The construction of basement post-pouring zone can be completed in band, the demoulding after conserving;
Wherein, the bottom surface of the catch pit (1) is lower than the bottom surface of the bottom plate rear pouring tape (5), and the outer wall of basement (6) of two sides is each
To form two opposite evagination ennations from extending towards along outside, the outer convex directions of two ennations towards upstream face,
A sleeper (8) is respectively provided in the variable cross-section of two evagination ennations, the deformation joint is located between two ennations.
2. a kind of construction method of basement post-pouring zone according to claim 1, which is characterized in that in the step a,
The catch pit (1) is rectangular, of same size, the catch pit of the width and bottom plate rear pouring tape (5) of the catch pit (1)
(1) bottom surface is 500-600mm lower than the bottom surface of bottom plate rear pouring tape (5).
3. a kind of construction method of basement post-pouring zone according to claim 1, which is characterized in that the two neighboring collection
At a distance of 10m-20m, catch pit (1) described in two of them is located at two ends of the bottom plate rear pouring tape (5) in puddle (1).
4. a kind of construction method of basement post-pouring zone according to claim 1, which is characterized in that in step a, applying
The gradient that slope aspect corresponds to catch pit (1) is set when work concrete cushion (2), and the gradient is 5 ‰ -10 ‰.
5. a kind of construction method of basement post-pouring zone according to claim 1, which is characterized in that in stepb, each
The reinforcing bar on catch pit (1) top only retains connector, in step h, is backfilling each catch pit using plain concrete
(1) after, first the reinforcing bar at each catch pit (1) position is connect with weld.
6. a kind of construction method of basement post-pouring zone according to claim 1, which is characterized in that in step c, also wrap
It is contained in the surrounding installation railing of each catch pit (1).
7. the construction method of -6 any a kind of basement post-pouring zones according to claim 1, which is characterized in that in foundation trench
Additional waterproofing layer is added respectively on the outside of side and deformation joint.
8. the construction method of -6 any a kind of basement post-pouring zones according to claim 1, which is characterized in that the bottom plate
The concrete grade of post-cast strip (5) is higher than basement bottom board (4) concrete grade, the concrete etc. of the post-pouring belt of outer wall (7)
Grade is higher than the concrete grade of outer wall of basement (6).
9. the construction method of -6 any a kind of basement post-pouring zones according to claim 1, which is characterized in that the sleeper
(8) thickness is equal to the thickness at outer wall of basement (6) variable cross-section.
10. the construction method of -6 any a kind of basement post-pouring zones according to claim 1, which is characterized in that described dark
The vertical muscle diameter of column (8) is greater than or equal to the vertical muscle diameter of outer wall of basement (6).
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952598A (en) * | 2019-10-23 | 2020-04-03 | 巨匠建设集团股份有限公司 | Construction process for reducing cracking and leakage of basement post-cast strip |
CN112761351A (en) * | 2021-01-25 | 2021-05-07 | 中建八局西南建设工程有限公司 | Post-cast strip template and construction method for casting post-cast strip |
CN117905114A (en) * | 2024-01-29 | 2024-04-19 | 中国十七冶集团有限公司 | Basement bottom plate post-pouring belt sealing structure and construction method |
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CN112761351B (en) * | 2021-01-25 | 2025-04-08 | 中建八局西南建设工程有限公司 | Post-cast strip formwork and construction method for casting post-cast strip |
CN117905114A (en) * | 2024-01-29 | 2024-04-19 | 中国十七冶集团有限公司 | Basement bottom plate post-pouring belt sealing structure and construction method |
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