CN115949097A - Construction method and construction structure for preventing dispersed water from sinking and basement exterior wall from falling off - Google Patents
Construction method and construction structure for preventing dispersed water from sinking and basement exterior wall from falling off Download PDFInfo
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- CN115949097A CN115949097A CN202310224061.5A CN202310224061A CN115949097A CN 115949097 A CN115949097 A CN 115949097A CN 202310224061 A CN202310224061 A CN 202310224061A CN 115949097 A CN115949097 A CN 115949097A
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Abstract
The invention provides a construction method and a construction structure for preventing dispersed water from sinking and preventing basement exterior walls from falling off, and relates to the technical field of basement construction. The water distribution device connects the water distribution with the second light partition board protective layer through the deformable pull-connection steel bar, and the second light partition board protective layer provides a certain pulling force for the water distribution. Meanwhile, the deformable pulling-connecting steel bars can adapt to slight deformation of water distribution, and the maintenance frequency of the water distribution of the building is reduced. The second light partition board protective layer is connected with the waterproof layer in an adhesion mode to form a natural water passing channel, and under the cooperation effect of the through holes in the first light partition board protective layer, rainwater entering accidentally can be evacuated, water is drained to the position outside the enlarged feet of the building raft, and therefore the hidden danger of basement leakage is reduced. The invention replaces the conventional flexible waterproof protective layer with the rigid material light partition board protective layer, and the rigid light partition board protective layer can not sink along with the sinking of the backfill soil, thereby avoiding the pulling crack or the falling off of the waterproof layer caused by the sinking of the backfill soil.
Description
Technical Field
The invention relates to the technical field of basement construction, in particular to a construction method and a construction structure for preventing scattered water from sinking and preventing basement exterior walls from falling off.
Background
Over time, the underwater backfill soil of the construction engineering can generate consolidation settlement and settlement by wet settlement, so that the water is sunk with the water. When backfill quality of backfill soil is not uniform, uneven settlement can also occur, and water dispersion cracks at uneven settlement boundaries. Along with the infiltration of rainwater or greening maintenance water along the crack, the settlement of the backfill soil is further aggravated, and the backfill soil sinks to enable the flexible protective layer and the coiled material waterproof layer to sink together due to the friction between the backfill soil and the waterproof flexible protective layer (such as a polystyrene board) and the friction between the flexible protective layer and the coiled material waterproof layer. The sinking force reaches a certain degree and can crack the waterproof coiled material or strip the waterproof coiled material from the underground outdoor wall, thereby threatening the stability of the building structure or generating the hidden trouble of basement leakage and causing the loss of reworking and repairing for construction units.
Disclosure of Invention
In view of the above, the present invention provides a construction method for preventing sinking of scattered water and water shedding of basement exterior wall, so as to solve the above problems.
Based on the aim, the invention provides a construction method for preventing dispersed water from sinking and preventing the basement outer wall from falling off, wherein the basement structure comprises a basement raft, raft amplification feet and a basement outer wall; the method comprises the following steps:
s1, determining the elevation of the lower surface of the water dispersing cushion layer and the elevation of the lower surface of the water dispersing cushion layer.
S2, constructing waterproof layers on the surfaces of the enlarged feet of the raft and the underground outdoor wall.
S3, laying a first light partition board protective layer on the waterproof layer on the upper surface of the raft amplification foot, wherein a through hole is formed in the first light partition board protective layer, and the port of the through hole faces the outer wall of the basement.
S4, laying a second light partition board protective layer on the waterproof layer on the outer wall of the basement, and backfilling and tamping backfilled soil until the upper surface of the second light partition board protective layer reaches the elevation of the lower surface of the dispersed water and the upper surface of the backfilled soil reaches the elevation of the lower surface of the dispersed water cushion layer; and the second light partition board protective layer is fixed by using a bonding material in a point bonding mode, and a water passing space is formed between the second light partition board protective layer and the outer wall of the basement.
And S5, constructing a water-dispersing cushion layer on the backfill soil.
And S6, connecting deformable connecting reinforcing steel bars at the upper end of the second light partition board protective layer, wherein the middle parts of the deformable connecting reinforcing steel bars are deformed and bent.
S7, constructing water dispersion on the water dispersion cushion layer, wherein the end part of the water dispersion is connected with a waterproof layer positioned on the outer wall of the basement; the end part of the deformable pull-connection reinforcing steel bar is fixed in the water dispersion, and a filling groove is reserved on the water dispersion at the deformation bend of the deformable pull-connection reinforcing steel bar.
And S8, filling the filling groove to finish water dispersion construction.
Further, the pasting material in S4 includes, but is not limited to, cement mortar and glue.
Further, in the step S4, a second light partition board protective layer is laid on the waterproof layer on the basement outer wall, backfilling and tamping of backfill soil are carried out, and the concrete steps are as follows: and laying a second light partition board protective layer on the waterproof layer on the outer wall of the basement from bottom to top in a layered mode, and backfilling and tamping backfilled soil in the height range of the second light partition board protective layer after each second light partition board protective layer is laid.
Further, S6 further includes: and binding transverse connecting steel bars at one end of the deformable pull-connection steel bars, which is far away from the second light partition wall board protective layer.
Further, the specific steps of S7 are: mounting battens on the water dispersing cushion layer at the deformation bend of the deformable pull-connection reinforcing steel bar; pouring water-dispersing concrete on the water-dispersing cushion layer, and pouring deformable tension-connection reinforcing steel bars into the water-dispersing concrete; and (4) after the water-dispersing concrete is hardened, removing the wood strips to form a filling groove.
Further, the specific step of S8 includes: filling fine sand in the filling groove until the fine sand is over the deformable tie bar; and continuously filling the first building sealing material on the fine sand until the upper surface of the first building sealing material is flush with the upper surface of the water dispersion.
Further, after S8, the method further includes: and filling a second building sealing material in a gap between the dispersed water and a waterproof layer positioned on the outer wall of the basement.
On the other hand, the embodiment of the invention also provides a construction structure for preventing dispersed water from sinking and basement exterior wall from water shedding, which is applied to the construction method for preventing dispersed water from sinking and basement exterior wall from water shedding, and comprises the following steps: waterproof layers are laid on the surface of the raft amplification foot and the basement outer wall, a first light partition board protective layer is laid on the waterproof layer on the upper surface of the raft amplification foot, and a through hole is formed in the first light partition board protective layer; a second light partition board protective layer is laid on the waterproof layer positioned on the basement outer wall, a water passing space is reserved between the second light partition board protective layer and the basement outer wall, and the water passing space is communicated with the through hole in the first light partition board protective plate; one side of the second light partition board protective layer is provided with backfill, a water dispersing cushion layer is arranged on the backfill, water dispersing is arranged on the water dispersing cushion layer, and a filling groove is reserved on the water dispersing; one end of the deformable pulling-connecting reinforcing steel bar is connected with the second light partition board protective layer, the middle of the deformable pulling-connecting reinforcing steel bar is a deformed bend, the deformed bend is arranged in the filling groove, and the other end of the deformable pulling-connecting reinforcing steel bar is poured in scattered water.
Further, the deformable pulling-connecting reinforcing steel bar further comprises a horizontal section and a inflection section, the horizontal section is poured in scattered water, the end part of the horizontal section is connected with one end of the inflection section, the other end of the inflection section is connected with one end of the inflection section, the inflection section is of an L-shaped structure, the other end of the inflection section is inserted into the second light partition board protective layer, and the other end of the inflection section is fixedly connected with the second light partition board protective layer.
Furthermore, the first light partition board protective layer and the second light partition board protective layer are both GRC light partition boards, and the hollow vertical arrangement in the second light partition board protective layer is adopted.
Compared with the prior art, the invention has the beneficial effects that:
1. the water is connected with a second light partition board protective layer through a deformable pull-connection steel bar, and the second light partition board protective layer provides a certain pulling force for the water; meanwhile, the middle part of the deformable tension-connection reinforcing steel bar is deformed and bent, so that the deformable tension-connection reinforcing steel bar can adapt to slight deformation of scattered water and reduce the maintenance frequency of the scattered water of the building;
2. the points between the second light partition board protective layer and the waterproof layer are adhered to form a natural water passing channel, and under the matching action of the natural water passing channel and the through holes in the first light partition board protective layer, rainwater entering accidentally can be evacuated, water is guided to the position outside the enlarged feet of the raft board of the building, the water environment outside the waterproof layer of the basement outer wall is changed, and therefore the potential leakage hazard of the basement is reduced;
3. the conventional flexible waterproof protective layer is replaced by the rigid material light partition board protective layer, and the rigid light partition board protective layer cannot sink along with the sinking of the backfill soil, so that the waterproof layer is prevented from being pulled to crack or fall off due to the sinking of the backfill soil.
Drawings
FIG. 1 is a schematic view of a construction structure for preventing sinking of dispersed water and water shedding of an outer wall of a basement according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a schematic view of a deformable tie bar of a construction structure for preventing dispersed water from sinking and preventing water from falling off of an outer wall of a basement according to an embodiment of the present invention.
Labeled as: 1. a basement raft plate; 2. enlarging feet of the raft; 3. a basement exterior wall; 4. dispersing water; 5. a water-spreading cushion layer; 6. a waterproof layer; 7. a first lightweight partition wall protective layer; 8. a second lightweight partition wall protective layer; 9. pasting materials; 10. deformable tie bars; 11. transversely connecting reinforcing steel bars; 12. fine sand; 13. a first building sealant; 14. a second building sealant.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
As shown in fig. 1 to fig. 3, the invention provides a construction structure for preventing water from sinking 4 and preventing water from falling off of a basement outer wall 3, wherein the basement structure comprises a basement raft 1, raft amplification feet 2, the basement outer wall 3 and the like. The structure comprises a waterproof layer 6, a first light partition board protective layer 7, a second light partition board protective layer 8, deformable connecting steel bars 10 and the like. Raft board enlarges 2 surfaces of foot and 3 upper berths of basement outer wall and is equipped with waterproof layer 6, and the waterproof layer 6 upper berth that is located raft board and enlarges 2 upper surfaces of foot is equipped with first light partition plate protective layer 7, has seted up the through-hole in the first light partition plate protective layer 7. A second light partition board protective layer 8 is paved on the waterproof layer 6 positioned on the basement outer wall 3, a water passing space is reserved between the second light partition board protective layer 8 and the basement outer wall 3, and the water passing space is communicated with the through hole in the first light partition board protective plate.
One side of the second light partition board protective layer 8 is provided with backfill, a water dispersing cushion layer 5 is arranged on the backfill, water dispersing 4 is arranged on the water dispersing cushion layer 5, and a filling groove is reserved on the water dispersing 4. The deformable tie bar 10 consists of a deformed bend, a horizontal section and a bent back section, wherein the horizontal section is poured in the scattered water 4, the end part of the horizontal section is connected with one end of the deformed bend, and the deformed bend is arranged in the filling groove. The other end of the deformation bend is connected with one end of the inflection section, the inflection section is of an L-shaped structure, the other end of the inflection section is inserted into the second light partition board protective layer 8, and the other end of the inflection section is fixedly connected with the second light partition board protective layer 8.
First light partition plate protective layer 7 and second light partition plate protective layer 8 all adopt GRC light partition plate, and GRC light partition plate self is inside to be equipped with hollow structure, need not additionally to set up the through-hole. GRC light partition plate installation rate is fast, and the joggle joint between the adjacent panel is connected, and construction convenience can carry out winter construction simultaneously, and application scope is wide.
Specifically, the construction process is carried out according to the following steps:
s1, determining the elevation of the lower surface of the water dispersing 4 and the elevation of the lower surface of the water dispersing cushion 5 according to a construction scheme.
S2, constructing a waterproof layer 6 on the surface of the raft board amplification foot 2 and the basement outer wall 3.
S3, laying a first light partition board protective layer 7 on the waterproof layer 6 positioned on the upper surface of the raft board amplification foot 2, wherein the first light partition board protective layer 7 is a GRC light partition board, and a hollow port in the first light partition board protective layer 7 faces the basement outer wall 3.
And S4, laying a second light partition board protective layer 8 on the waterproof layer 6 positioned on the basement outer wall 3, and backfilling and tamping backfilled soil. The method specifically comprises the following steps: and a second light partition board protective layer 8 is laid on the waterproof layer 6 on the basement outer wall 3 from bottom to top in a layering manner, and the second light partition board protective layer 8 is hollow and vertically arranged. The second protective layer 8 of lightweight partition wall can be layered to a height of conventional specifications on the market, such as 2.8m. And the second light partition board protective layer 8 is fixed by using the adhesive material 9 in a point-adhesive mode, so that a water passing space is formed between the second light partition board protective layer 8 and the basement outer wall 3. Wherein, the bonding material 9 includes but not limited to cement mortar and glue, and the bonding point interval is based on the second light partition board protective layer 8 that can be fixed. Before the bonding material is strengthened, the second light partition board protective layer 8 is temporarily fixed by a steel pipe or a wood square inclined strut.
And after each layer of second light partition board protective layer 8 is laid, backfilling and tamping the backfill soil within the height range of the second light partition board protective layer 8. Until the upper surface of the second light partition wall protective layer reaches the elevation of the lower surface of the water dispersing 4, and the upper surface of the backfill reaches the elevation of the lower surface of the water dispersing cushion 5.
And S5, constructing a water-dispersing cushion layer 5 on the backfill soil according to a conventional procedure.
S6, inserting the end part of the reverse-folded section of the deformable pull-connection steel bar 10 into a hollow port in the upper end of the second light partition board protective layer 8, and fixedly connecting the deformable pull-connection steel bar 10 with the second light partition board protective layer 8. And binding transverse connecting steel bars 11 at one end of the deformable pull-joint steel bars 10 far away from the second light partition wall board protective layer 8 for improving the strength.
S7, the horizontal section and the deformation bend of the deformable tension connecting steel bar 10 are located above the water distribution cushion 5, and battens are installed on the water distribution cushion 5 at the deformation bend of the deformable tension connecting steel bar 10. And pouring water-dispersing 4 concrete on the water-dispersing cushion layer 5, and pouring the parts of the deformable tie bars 10 above the water-dispersing cushion layer 5 into the water-dispersing 4 concrete. After the concrete of the water dispersing 4 is hardened, the battens are removed, filling grooves are formed at the positions of the battens, and therefore the deformed bends are arranged in the filling grooves. And finishing the construction of the water dispersing 4, wherein the end part of the water dispersing 4 is connected with a waterproof layer 6 positioned on the outer wall 3 of the basement.
And S8, filling fine sand 12 in the filling groove until the fine sand 12 does not pass through the deformable tie bar 10. The first building sealant 13 continues to fill the fine sand 12 until the upper surface of the first building sealant 13 is flush with the upper surface of the water dispersion 4.
The gap between the water dispersion 4 and the waterproof layer 6 on the basement exterior wall 3 is filled with the second building sealing material 14. Both the first building sealant 13 and the second building sealant 14 can be used as sealing pastes.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A construction method for preventing scattered water from sinking and preventing basement exterior wall from falling off, wherein the basement structure comprises a basement raft, raft amplification feet and a basement exterior wall; the method is characterized by comprising the following steps:
s1, determining the elevation of the lower surface of the water dispersing cushion layer and the elevation of the lower surface of the water dispersing cushion layer;
s2, constructing waterproof layers on the surfaces of the amplification feet of the raft and the underground outdoor wall;
s3, laying a first light partition board protective layer on the waterproof layer positioned on the upper surface of the raft board amplification foot, wherein a through hole is formed in the first light partition board protective layer, and the port of the through hole faces the outer wall of the basement;
s4, laying a second light partition board protective layer on the waterproof layer on the outer wall of the basement, and backfilling and tamping backfilled soil until the upper surface of the second light partition board protective layer reaches the elevation of the lower surface of the dispersed water and the upper surface of the backfilled soil reaches the elevation of the lower surface of the dispersed water cushion layer; the second light partition board protective layer is fixed by using a bonding material in a point bonding mode, and a water passing space is formed between the second light partition board protective layer and the outer wall of the basement;
s5, constructing a water-dispersing cushion layer on the backfill soil;
s6, connecting deformable connecting reinforcing steel bars to the upper end of the second light partition board protective layer, wherein the middle parts of the deformable connecting reinforcing steel bars are deformed and bent;
s7, constructing water dispersion on the water dispersion cushion layer, wherein the end part of the water dispersion is connected with a waterproof layer positioned on the outer wall of the basement; the end part of the deformable pull-connection reinforcing steel bar is fixed in the water dispersion, and a filling groove is reserved on the water dispersion at the deformation bend of the deformable pull-connection reinforcing steel bar;
and S8, filling the filling groove to finish water dispersion construction.
2. The construction method for preventing the dispersed water from sinking and the basement outer wall from falling off and water from the basement as claimed in claim 1, wherein the bonding material in the S4 includes but is not limited to cement mortar and glue.
3. The construction method for preventing the dispersed water from sinking and the basement outer wall from falling off and preventing the basement outer wall from falling off as claimed in claim 1, wherein a second light partition board protective layer is laid on the waterproof layer on the basement outer wall in the step S4, and backfilling and tamping of backfilled soil are carried out, and the concrete steps are as follows: and laying a second light partition board protective layer on the waterproof layer on the outer wall of the basement from bottom to top in a layered mode, and backfilling and tamping backfilled soil in the height range of the second light partition board protective layer after each second light partition board protective layer is laid.
4. The construction method for preventing the dispersed water from sinking and the basement exterior wall from falling off and water is characterized in that the S6 further comprises the following steps: and binding transverse connecting steel bars at one end of the deformable pull-connection steel bars, which is far away from the second light partition wall board protective layer.
5. The construction method for preventing the dispersed water from sinking and the basement outer wall from falling off and being waterproof according to claim 1, wherein the S7 comprises the following specific steps:
mounting battens on the water dispersing cushion layer at the deformation bend of the deformable pull-connection reinforcing steel bar;
pouring water-dispersing concrete on the water-dispersing cushion layer, and pouring deformable tension-connection reinforcing steel bars into the water-dispersing concrete;
and (4) after the water-dispersing concrete is hardened, removing the wood strips to form a filling groove.
6. The construction method for preventing the dispersed water from sinking and the basement exterior wall from falling off and preventing the water from falling off as claimed in claim 1, wherein the concrete steps of S8 include:
filling fine sand in the filling groove until the fine sand is over the deformable tie bar;
and continuously filling the first building sealing material on the fine sand until the upper surface of the first building sealing material is flush with the upper surface of the water dispersion.
7. The construction method for preventing the dispersed water from sinking and the basement exterior wall from falling off and being waterproof according to claim 1, further comprising the following step after S8: and filling a second building sealing material in a gap between the dispersed water and a waterproof layer positioned on the outer wall of the basement.
8. A construction structure for preventing scattered water from sinking and preventing basement exterior wall from water falling is characterized in that the construction structure is applied to the construction method for preventing scattered water from sinking and preventing basement exterior wall from water falling, which comprises the following steps:
waterproof layers are laid on the surfaces of the raft amplification feet and the basement outer wall, a first light partition board protective layer is laid on the waterproof layer on the upper surface of the raft amplification feet, and through holes are formed in the first light partition board protective layer; a second light partition board protective layer is laid on the waterproof layer on the basement outer wall, a water passing space is reserved between the second light partition board protective layer and the basement outer wall, and the water passing space is communicated with the through hole in the first light partition board protective plate; one side of the second light partition board protective layer is provided with backfill, a water dispersing cushion layer is arranged on the backfill, water dispersing is arranged on the water dispersing cushion layer, and a filling groove is reserved on the water dispersing; one end of the deformable pulling-connecting reinforcing steel bar is connected with the second light partition board protective layer, the middle of the deformable pulling-connecting reinforcing steel bar is a deformed bend, the deformed bend is arranged in the filling groove, and the other end of the deformable pulling-connecting reinforcing steel bar is poured in scattered water.
9. The construction structure of claim 8, wherein the deformable tie bar further comprises a horizontal section and a bent section, the horizontal section is poured in the scattered water, the end of the horizontal section is connected with one end of the deformable bend, the other end of the deformable bend is connected with one end of the bent section, the bent section is of an L-shaped structure, the other end of the bent section is inserted into the second light partition board protective layer, and the other end of the bent section is fixedly connected with the second light partition board protective layer.
10. The construction structure of claim 8, wherein the first and second light partition protective layers are GRC light partition, and the second light partition protective layer is hollow and vertical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310224061.5A CN115949097B (en) | 2023-03-10 | 2023-03-10 | Construction method for preventing water from sinking and basement outer wall from falling off and construction structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310224061.5A CN115949097B (en) | 2023-03-10 | 2023-03-10 | Construction method for preventing water from sinking and basement outer wall from falling off and construction structure |
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| CN115949097A true CN115949097A (en) | 2023-04-11 |
| CN115949097B CN115949097B (en) | 2023-05-26 |
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| CN205348697U (en) * | 2015-12-29 | 2016-06-29 | 山东科技大学 | Prevent aproll that ftractures |
| KR20180002258A (en) * | 2016-06-29 | 2018-01-08 | 홍종화 | Construction method of underground damp-proof wall using insulation drain board and structure thereof |
| CN114687581A (en) * | 2022-05-31 | 2022-07-01 | 中国二十二冶集团有限公司 | Construction method and construction structure for preventing scattered water from sinking at overhanging balcony slab |
| CN217352599U (en) * | 2022-02-15 | 2022-09-02 | 上海霍普建筑规划设计有限公司 | Be used for dampproofing drainage wall structure of green building basement |
| CN115538492A (en) * | 2022-09-30 | 2022-12-30 | 中建三局第三建设工程有限责任公司 | Basement retaining wall water dredging and isolating method and system |
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2023
- 2023-03-10 CN CN202310224061.5A patent/CN115949097B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202945619U (en) * | 2012-11-26 | 2013-05-22 | 新宇建设有限公司 | Basement wall and baseplate waterproof and drainage structure |
| CN205348697U (en) * | 2015-12-29 | 2016-06-29 | 山东科技大学 | Prevent aproll that ftractures |
| KR20180002258A (en) * | 2016-06-29 | 2018-01-08 | 홍종화 | Construction method of underground damp-proof wall using insulation drain board and structure thereof |
| CN217352599U (en) * | 2022-02-15 | 2022-09-02 | 上海霍普建筑规划设计有限公司 | Be used for dampproofing drainage wall structure of green building basement |
| CN114687581A (en) * | 2022-05-31 | 2022-07-01 | 中国二十二冶集团有限公司 | Construction method and construction structure for preventing scattered water from sinking at overhanging balcony slab |
| CN115538492A (en) * | 2022-09-30 | 2022-12-30 | 中建三局第三建设工程有限责任公司 | Basement retaining wall water dredging and isolating method and system |
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