CN109629830A - Outer wall of basement construction method and structure - Google Patents
Outer wall of basement construction method and structure Download PDFInfo
- Publication number
- CN109629830A CN109629830A CN201811576213.3A CN201811576213A CN109629830A CN 109629830 A CN109629830 A CN 109629830A CN 201811576213 A CN201811576213 A CN 201811576213A CN 109629830 A CN109629830 A CN 109629830A
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- CN
- China
- Prior art keywords
- wall
- basement
- inner template
- construction method
- concrete
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
Abstract
The present invention relates to building engineering fields, specially outer wall of basement construction method and structure, it is using the diaphram wall in pattern foundation pit supporting structure as a part of sidewall of basement, not only it is thinned outer wall of basement, and directly using diaphram wall as basement bottom board, the exterior sheathing of floor plates and exterior wall, so that basement bottom board, the concrete of floor plates and exterior wall generates expansive force during being poured condensation and is effectively resisted, simultaneously, basement bottom board, floor plates and exterior wall concrete are on the outside without exposed part, concrete is set to be in good maintenance state, so that basement bottom board, floor plates and exterior wall concrete be not easy to crack.By the way that concealed beam is arranged at the floor of outer wall of basement and the measures such as flexible web are arranged in basement bottom board, effectively controls crack in concrete of basement construction and generate.
Description
Technical field
The present invention relates to building engineering fields, more particularly, to outer wall of basement construction method and structure.
Background technique
For ultra-long and ultra-thick concrete works, temperature stress is can not be ignored the problem of.Construction Later Casting Zone energy is set
By mass concrete after casting early period is due to hydration heat of cement heating expansion, the tensile stress generated in temperature-fall period gives
It dissipates.
However in the actual operation process, basement can not backfill in time, and the rubbish cleaning at post-cast strip position and two sides are mixed
A series of problems, such as solidifying soil dabbing is difficult, becomes the weak link of bottom plate and side wall waterproof, causes construction quality and progress
Adverse effect.
Jump storehouse method is easy to answer by before the not yet stable and no thoroughly solidification of concrete performance during 5 to 10 days is utilized
" resist and put " characteristic principle that power releases, is divided into several regions for structure foundation or large-area concrete plane mechanism,
According to the principle construction of " partition programming, spacer block construction, placement layer by layer, integrally formed ".Adjacent two sections of interval times are no less than 7
It does not have to thus stay post-cast strip to avoid the concrete construction earlier part fierceness temperature difference and desiccation.Basement " is jumped
Storehouse method " not only can be effectively controlled harmful cracks generation, but also can overcome the difficulty of post empiricism, to construction bring it is many just
Benefit.
For existing outer wall of basement in construction, the diaphram wall in pattern foundation pit supporting structure sets up ground towards the side of foundation pit
Lower room exterior wall exterior sheathing and inner template, inner template is located at the side inside foundation pit, toward building concrete between inner and outer template
Outer wall of basement is formed, and removes inner and outer template after outer wall of basement is formed.
But in the condensation process of concrete, the aquation thermal expansion of concrete can make the outer wall of basement in molding
At compressive pre-stress, it is easy so that exterior sheathing cracking, influences the dismounting of exterior sheathing.
Summary of the invention
One of purpose of the invention is to provide a kind of outer wall of basement construction method of reduction outer wall of basement cracking.
Above-mentioned purpose of the invention has the technical scheme that
Outer wall of basement construction method, comprising the following steps:
Inner template is set up towards side in foundation pit in diaphram wall；
Inner template is reinforced；
Outer wall of basement is formed toward casting concrete between diaphram wall and inner template；
Inner template is removed.
By using above-mentioned technical proposal, using the diaphram wall in pattern foundation pit supporting structure as one of sidewall of basement
Point, it is not only thinned outer wall of basement, but also directly using diaphram wall as the outer of basement bottom board, floor plates and exterior wall
Template, so that the concrete of basement bottom board, floor plates and exterior wall generates expansive force by effective during being poured condensation
It resists, meanwhile, basement bottom board, floor plates and exterior wall concrete without exposed part, make concrete be in good on the outside
Maintenance state, so that basement bottom board, floor plates and exterior wall concrete be not easy to crack.
The present invention is further arranged to: corresponding position is laid with cross in the horizontal direction between diaphram wall and inner template
Beam steel, and concealed beam is formed after forming outer wall of basement toward casting concrete between diaphram wall and inner template.
By using above-mentioned technical proposal, concealed beam plays the role of good mould hoop to outer wall of basement, outside basement
During wall concrete coagulation, crossbeam reinforcing bar to concrete horizontal to stress offset, improve outer wall of basement structure
Anti-crack ability and control critical eigenvalue extension.
The present invention is further arranged to: the height that the crossbeam reinforcing bar corresponds to basement floor plates is laid with.
By using above-mentioned technical proposal, concealed beam is set in the height for corresponding to basement floor plates, improves connecting node
The structural strength at place improves the structural strength of basement.
The present invention is further arranged to: further comprising the steps of: to be laid with flexible web in bottom of foundation ditch, and in flexible web
Upper casting concrete forms basement bottom board.
By using above-mentioned technical proposal, flexible web reduces bottom of foundation ditch to basement Massive Concrete Foundation Slab aquation
Effect of contraction when hot provides deformable space for the concrete of basement bottom board bottom, so that the basement bottom board formed
It is more smooth, the case where basement bottom board cracks is reduced, and diaphram wall is to the hydration heat of concrete for forming basement bottom board
When play effect of contraction, improve outer wall of basement structural strength.
The present invention is further arranged to: the flexible web is Macromolecular self-adhesive membrane waterproof roll.
By using above-mentioned technical proposal, the waterproof strength of basement bottom board is improved.
The present invention is further arranged to: when reinforcing to inner template, being implanted into template reinforcing bar, template toward diaphram wall
Reinforcing bar passes through inner template and is socketed mountain type card, and is screwed into template reinforcing bar using nut, and mountain type is fastened inner template.
By using above-mentioned technical proposal, inner template is fastened using mountain type, inner template is reinforced, improves inner template
Anti-cracking ability.
The present invention is further arranged to: inner template is inside and outside double-layer staggered overlapping setting.
By using above-mentioned technical proposal, the anti-cracking ability of inner template is further increased, to reduce the underground of formation
The case where room outer wall cracking.
The present invention is further arranged to: bearing diagonal being arranged between inner template and bottom of foundation ditch.
By using above-mentioned technical proposal, bearing diagonal is carried out to inner template, improves the anti-pressure ability of inner template.
The present invention is further arranged to: outer wall of basement constructs to be formed using storehouse method is jumped.
By using above-mentioned technical proposal, effectively controls harmful cracks and generate, and overcome the difficulty of post empiricism.
It is a further object to provide a kind of outer wall of basement structures.
Above-mentioned purpose of the invention has the technical scheme that
Including diaphram wall towards side in foundation pit set up inner template and toward being poured between diaphram wall and inner template it is mixed
It is laid with the concealed beam of crossbeam reinforcing bar formation in the horizontal direction in the solidifying native outer wall of basement formed, outer wall of basement, in bottom of foundation ditch
The flexible web of laying and the basement bottom board that casting concrete is formed on flexible web.
By using above-mentioned technical proposal, using the diaphram wall in pattern foundation pit supporting structure as one of sidewall of basement
Point, so that outer wall of basement and diaphram wall form composite wall structure, and using diaphram wall as exterior sheathing, avoid
Edge temperature gradient declines too fast situation, and during outer wall of basement concrete coagulation, crossbeam reinforcing bar is to concrete water
Put down to stress offset, improve outer wall of basement structure anti-crack ability, flexible web reduce bottom of foundation ditch to basement
Effect of contraction when the Massive Concrete Foundation Slab heat of hydration, so that the basement bottom board formed is more smooth.
In conclusion advantageous effects of the invention are as follows:
1. a part of diaphram wall as sidewall of basement, is not only thinned outer wall of basement, and make basement bottom board,
The concrete of floor plates and exterior wall generates expansive force during being poured condensation and is effectively resisted, and answers later period concrete pulling
Power is greatly reduced；
2. avoiding edge temperature gradient using diaphram wall as exterior sheathing and declining too fast situation, make exterior wall concrete
In good maintenance state；
3. concealed beam to concrete horizontal to stress offset, improve outer wall of basement structure anti-crack ability and control critical eigenvalue
Extension；
4. flexible web reduces effect of contraction of the bottom of foundation ditch to the basement Massive Concrete Foundation Slab heat of hydration when, so that being formed
Basement bottom board it is more smooth.
Detailed description of the invention
Fig. 1 is the relation schematic diagram in outer wall of basement construction method between inner template and diaphram wall；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the relation schematic diagram in outer wall of basement construction method between adjacent inner template；
Fig. 4 is the structural schematic diagram of basement construction structure.
Appended drawing reference: 1, diaphram wall；2, inner template；3, outer wall of basement；4, crossbeam reinforcing bar；5, concealed beam；6, underground
Room floor plates；7, flexible web；8, template reinforcing bar；9, mountain type card；10, nut；11, bearing diagonal；12, basement bottom board；13, it pads
Layer；14, sealing part.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: outer wall of basement construction method, referring to Figures 1 and 2, comprising the following steps:
Step 1: it is laid with flexible web 7 and pours basement bottom board 12: carrying out rammed earth in bottom of foundation ditch and form bed course 13,
Flexible web 7 is laid on bed course 13, and casting concrete forms basement bottom board 12 on flexible web 7, flexible web 7 is excellent
It is selected as Macromolecular self-adhesive membrane waterproof roll.
Step 2: the diaphram wall 1 into pattern foundation pit supporting structure is implanted into template reinforcing bar 8, and one end of template reinforcing bar 8 stretches out in ground
Lower diaphragm wall 1 stretches out at diaphram wall 1 in steel bar template and is provided with sealing part 14.
Step 3: diaphram wall 1 is set up towards side in foundation pit for forming reinforced concrete structure with concrete
The structure reinforcing bars of outer wall of basement 3.
Step 4: the height and position corresponding to basement floor plates 6 in subsequent construction is laid with crossbeam reinforcing bar in the horizontal direction
4, crossbeam reinforcing bar 4 is provided with several, and surrounds rectangular setting, assembling reinforcement between adjacent beams reinforcing bar 4.
Step 5: inner template 2, structure reinforcing bars and the equal position of crossbeam reinforcing bar 4 are set up towards side in foundation pit in diaphram wall 1
Between diaphram wall 1 and inner template 2, and setting up for inner template 2 is arranged according to the construction requirement for jumping storehouse method.
Inner template 2 be set as parallel with diaphram wall 1 altogether inside and outside two layers, and inside and outside two layers of inner template 2 in staggeredly
Overlapping setting (see Fig. 2 and Fig. 3).
Step 6: reinforcing inner template 2, and template reinforcing bar 8 is enabled to pass through inner template 2, and template reinforcing bar 8 is piercing in inner template
2 part is provided with screw thread, and is socketed mountain type card 9 in the part that template reinforcing bar 8 is piercing in inner template 2, and utilize nut 10
It is screwed into template reinforcing bar 8, tighten nut 10 and pushes against mountain type card 9, mountain type card 9 is made to resist inner template 2.
Step 7: rod is set between inner template 2 and bottom of foundation ditch or fashioned iron, both ends push against inner template 2 and base respectively
Hole forms bearing diagonal 11.
Outer wall of basement 3, and the shape at crossbeam reinforcing bar 4 are formed toward casting concrete between diaphram wall 1 and inner template 2
At concealed beam 5.And outer wall of basement 3 constructs to be formed using storehouse method is jumped.
Step 8: inner template 2 and bearing diagonal 11 are removed, and saws the part of removing template crossbeam many places.
The utility model has the advantages that
Flexible web 7 reduces effect of contraction of the bottom of foundation ditch to the 12 mass concrete heat of hydration of basement bottom board when, is underground
The concrete of 12 bottom of room bottom plate provides deformable space, so that the basement bottom board 12 formed is more smooth, reduces basement
The case where bottom plate 12 cracks.
The a part of diaphram wall 1 as sidewall of basement in pattern foundation pit supporting structure, so that outer wall of basement 3 and underground connect
Continuous wall 1 forms composite wall structure.
Diaphram wall 1 is during basement bottom board 12, floor plates 6,3 concrete coagulation of exterior wall, to concrete
Compressive pre-stress caused by aquation thermally expands is resisted, and is greatly reduced later period concrete pulling stress, is made basement bottom board 12, building
Laminate 6 and exterior wall 3 be not easy to crack.
Using diaphram wall 1 as exterior sheathing, avoids edge temperature gradient and decline too fast situation, make exterior wall coagulation
Soil is in good maintenance state.
Concealed beam 5 plays the role of good mould hoop to outer wall of basement 3, in the process of 3 concrete coagulation of outer wall of basement
In, crossbeam reinforcing bar 4 to concrete horizontal to stress offset, improve 3 structure of outer wall of basement anti-crack ability and control
The extension in crack.
The storehouse method construction of jump effectively control harmful cracks generate, and overcome the difficulty of post empiricism.
Embodiment 2: outer wall of basement structure, as shown in figure 4, it is applied according to the outer wall of basement construction method of embodiment 1
Work is obtained, including outer wall of basement 3, concealed beam 5 and basement bottom board 12, in which:
Outer wall of basement 3 is through setting up inner template 2 and past diaphram wall 1 and internal model towards side in foundation pit in diaphram wall 1
Casting concrete is formed between plate 2.
Concealed beam 5 is laid with the formation of crossbeam reinforcing bar 4 in the horizontal direction in outer wall of basement 3.
Basement bottom board 12 is through casting concrete is formed in the flexible web 7 that bottom of foundation ditch is laid with and on flexible web 7.
The utility model has the advantages that using the diaphram wall 1 in pattern foundation pit supporting structure as a part of sidewall of basement, so that basement
Exterior wall 3 and diaphram wall 1 form composite wall structure, and using diaphram wall 1 as exterior sheathing, are in exterior wall concrete
Good maintenance state, during 3 concrete coagulation of outer wall of basement, crossbeam reinforcing bar 4 to concrete horizontal to stress
It is offset, improves the anti-crack ability of 3 structure of outer wall of basement, it is big to basement bottom board 12 that flexible web 7 reduces bottom of foundation ditch
Effect of contraction when the volume concrete heat of hydration, so that the basement bottom board 12 formed is more smooth.
The embodiment of the above specific embodiment is presently preferred embodiments of the present invention, not limits guarantor of the invention according to this
Range is protected, therefore: the equivalence changes that all structures under this invention, shape, principle are done should all be covered by protection scope of the present invention
Within.
Claims (10)
1. outer wall of basement construction method, which comprises the following steps:
Inner template (2) are set up towards side in foundation pit in diaphram wall (1)；
Inner template (2) is reinforced；
Outer wall of basement (3) are formed toward casting concrete between diaphram wall (1) and inner template (2)；
Inner template (2) is removed.
2. outer wall of basement construction method according to claim 1, which is characterized in that in diaphram wall (1) and internal model
Corresponding position is laid with crossbeam reinforcing bar (4) in the horizontal direction between plate (2), and toward diaphram wall (1) and inner template (2) it
Between casting concrete formed outer wall of basement (3) afterwards formed concealed beam (5).
3. outer wall of basement construction method according to claim 2 and structure, which is characterized in that the crossbeam reinforcing bar (4)
Height corresponding to basement floor plates (6) is laid with.
4. outer wall of basement construction method according to claim 1 and structure, which is characterized in that further comprising the steps of:
Flexible web (7) are laid in bottom of foundation ditch, and casting concrete forms basement bottom board (12) on flexible web (7).
5. outer wall of basement construction method according to claim 4 and structure, which is characterized in that the flexible web (7)
For Macromolecular self-adhesive membrane waterproof roll.
6. outer wall of basement construction method according to claim 1 and structure, which is characterized in that inner template (2) into
When row is reinforced, toward diaphram wall (1) implantation template reinforcing bar (8), template reinforcing bar (8) passes through inner template (2) and is socketed mountain type card
(9), template reinforcing bar (8) and using nut (10) are screwed into, mountain type card (9) is resisted into inner template (2).
7. outer wall of basement construction method according to claim 6 and structure, which is characterized in that inner template (2) is inside and outside
Double-layer staggered overlapping setting.
8. outer wall of basement construction method according to claim 6 and structure, which is characterized in that in inner template (2) and base
It cheats and bearing diagonal (11) is set between bottom.
9. outer wall of basement construction method according to claim 1 and structure, which is characterized in that outer wall of basement (3) is adopted
It is constructed to be formed with jump storehouse method.
10. outer wall of basement structure, which is characterized in that be included in diaphram wall (1) towards side in foundation pit and set up inner template
(2) and toward casting concrete between diaphram wall (1) and inner template (2) outer wall of basement (3), the outer wall of basement formed
(3) concealed beam (5) that crossbeam reinforcing bar (4) are formed, flexible web (7) He Rou being laid in bottom of foundation ditch are laid in the horizontal direction
Property coiled material (7) on the basement bottom board (12) that is formed of casting concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811576213.3A CN109629830A (en) | 2018-12-22 | 2018-12-22 | Outer wall of basement construction method and structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811576213.3A CN109629830A (en) | 2018-12-22 | 2018-12-22 | Outer wall of basement construction method and structure |
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| CN109629830A true CN109629830A (en) | 2019-04-16 |
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| CN201811576213.3A Pending CN109629830A (en) | 2018-12-22 | 2018-12-22 | Outer wall of basement construction method and structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240033A (en) * | 2019-07-18 | 2021-01-19 | 重庆建工第七建筑工程有限责任公司 | Construction method of unconventional reverse construction outer wall structure in high slope area |
| CN113089644A (en) * | 2021-04-16 | 2021-07-09 | 四川能投建工集团水利水电工程有限公司 | Connection structure between foundation pit support pile and basement outer wall and construction method |
| CN113653099A (en) * | 2021-08-18 | 2021-11-16 | 中国建筑第八工程局有限公司 | Basement structure and construction method thereof |
| WO2023056984A1 (en) * | 2022-06-04 | 2023-04-13 | China Construction Seventh Engineering Division Corp., Ltd. | Waterproof structure and construction method for foundation pit support |
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| CN2605305Y (en) * | 2003-03-28 | 2004-03-03 | 上海市第四建筑有限公司 | External wall drainage blanket for basement |
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| CN204282396U (en) * | 2014-11-17 | 2015-04-22 | 广州城建开发设计院有限公司 | The structure that a kind of sidewall of basement is connected with diaphragm wall |
| CN204715743U (en) * | 2015-06-05 | 2015-10-21 | 中国建筑第四工程局有限公司 | The formwork erecting structure of two side templates in a kind of shear force wall deformation slit |
| CN204780994U (en) * | 2015-06-11 | 2015-11-18 | 中建一局集团第六建筑有限公司 | Underground continuous wall inwall construction structures |
| CN108590165A (en) * | 2018-05-04 | 2018-09-28 | 江苏扬州建工建设集团有限公司 | A kind of construction method of deep basal pit concrete of basement exterior wall |
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Patent Citations (7)
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| CN2605305Y (en) * | 2003-03-28 | 2004-03-03 | 上海市第四建筑有限公司 | External wall drainage blanket for basement |
| CN102587416A (en) * | 2012-04-01 | 2012-07-18 | 广东中城建设集团有限公司 | Basement attached lane structure and construction method thereof |
| CN103321231A (en) * | 2013-06-10 | 2013-09-25 | 叶长青 | Construction method of foundation pit support |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240033A (en) * | 2019-07-18 | 2021-01-19 | 重庆建工第七建筑工程有限责任公司 | Construction method of unconventional reverse construction outer wall structure in high slope area |
| CN113089644A (en) * | 2021-04-16 | 2021-07-09 | 四川能投建工集团水利水电工程有限公司 | Connection structure between foundation pit support pile and basement outer wall and construction method |
| CN113653099A (en) * | 2021-08-18 | 2021-11-16 | 中国建筑第八工程局有限公司 | Basement structure and construction method thereof |
| WO2023056984A1 (en) * | 2022-06-04 | 2023-04-13 | China Construction Seventh Engineering Division Corp., Ltd. | Waterproof structure and construction method for foundation pit support |
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