CN108005399A - Add the construction method for building multi-layer underground space under a kind of existing building group - Google Patents
Add the construction method for building multi-layer underground space under a kind of existing building group Download PDFInfo
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- CN108005399A CN108005399A CN201711040114.9A CN201711040114A CN108005399A CN 108005399 A CN108005399 A CN 108005399A CN 201711040114 A CN201711040114 A CN 201711040114A CN 108005399 A CN108005399 A CN 108005399A
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- 238000010276 construction Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 239000004567 concrete Substances 0.000 claims description 8
- 239000011449 brick Substances 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002266 amputation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009424 underpinning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
-
- 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
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses under a kind of existing building group plus the construction method in multi-layer underground space is built, the down space on a large scale that can be applied to existing building group lower part on soft soil foundation is develop and useedd, and is mainly included the following steps that：First stage：Existing building is detected and is reinforced；Second stage：Supporting and underpin pile driving construction；Phase III：Apron piece and the construction of sandwich wall beam；Fourth stage：Basement roof is constructed；5th stage：Sheltered reverse excavation is successively constructed each layer of basement.Design and construction method proposed by the present invention can be that the design of down space and construction method provide complete, reliable design and construction technique to the enlarging of existing building group former address lower part on a large scale, can be solve land used is nervous, improve land utilization ratio, protect build do not tear open in the case of progress underground space development the problems such as provide new resolving ideas.
Description
Technical field
The present invention relates under a kind of existing building group plus the method for building multi-layer underground space, method proposed by the present invention can be
Extensive underground space development provides complete, reliable design and construction technique below existing building group.
Background technology
As China's rapid economic development, population increase and the continuous of urbanization process are accelerated, large-scale urbanization
Construction persistently carries out in China.The architectural development in city should be promoted in the process of Process of Urbanization Construction, again to the use of building
Ground carries out intensive utilization, alleviates land used anxiety, improves the utilization rate of space, is conceived to long-range Land Sustainable exploitation
Utilize.Transformation is built in the increasing that multi-layer underground space is carried out to existing building, can make full use of existing urban facilities；Save city
Auxiliary facility；Save removal, building waste transport and land expropriation cost；Short construction period.At the same time by seismic hardening and renovation technique
Combine, improve the stress condition of existing structure in varying degrees, add existing building and use and accumulate, enhance house
Shock resistance, improves the use function of structure, extends building service life, obvious economic.Therefore from resource, work(
Energy property, economy etc. are many to be considered, and existing building is built underground space reforming mode replacement with reasonable increasing and torn open greatly in the past
Build pattern in large scale, be a rational choice of Urbanization in China.
The content of the invention
Add the construction method for building multi-layer underground space under a kind of existing building group proposed by the present invention, can be that solution land used is tight
Open, improve land utilization ratio, provide new solution in the problems such as progress underground space development in the case that protection building is not torn open
Thinking.
In order to solve the above technical problems, technical scheme is as follows：Under a kind of existing building group plus build multi-layer underground
The construction method in space, including following construction procedure：
First stage：Existing building is detected and is reinforced；
Second stage：Pattern foundation pit supporting structure, underpinned pile and resistance to plucking pile driving construction；
Phase III：Apron piece and the construction of sandwich wall beam, and wall bottom foundation is cut, the load in house is passed through by sandwich wall beam
Wall bottom and the shearing of the contact surface of sandwich wall beam are passed on sandwich wall beam, then are passed on the apron piece of both sides, are finally passed on each underpinned pile,
Form beam-column framework stress system；
Fourth stage：Basement roof is constructed, and basement roof and pattern foundation pit supporting structure is poured into together, top plate is both used as structural slab
Also serve as the horizontal support of foundation pit, and formed together with basement roof poured with apron piece with sandwich wall beam overall；
5th stage：Sheltered reverse excavation is successively constructed each layer of basement.
Preferably, the first stage by the way that existing building is detected and is reinforced on the basis of, to existing building
Reliability proved and the bearing capacity of old structure evaluated, and original building is added according to evaluation result
Gu its structural strength is set to reach the requirement of subsequent construction.
Preferably, the underpinned pile of the second stage and resistance to plucking pile driving construction, underpinned pile and uplift pile are cast-in-situ bored pile,
Underpinned pile permanent works stake as the column in Excavation Process and serviceability limit stage at the same time, uplift pile and on ground
The anchor jacked pile of lower room construction of bottom plates undertakes withdrawal resistance.
Preferably, the pattern foundation pit supporting structure of the second stage uses the form of interlocking pile, convenient to have the expansion of groups of building lower part shortly
When building multiple foundation pits, multiple foundation pits are linked to be entirety by cutting interlocking pile, so that multiple basements be connected.
Preferably, the phase III comprises the following steps：Stake top setting apron piece is being underpined first, is passing through apron piece
Each underpinned pile stake is linked to be entirety, then abolishes indoor terrace, carries out sandwich wall beam construction, and one is formed with apron piece, most
After cut pedestal foot brick foundation under wall, at this moment the load in house passes to sandwich wall beam by the shearing of wall bottom and the contact surface of sandwich wall beam
On, then pass on the apron piece of both sides, finally pass on each underpinned pile.
Preferably, basement roof and the gap of top apron piece and sandwich wall beam, it is real using no vibrated concrete packing, make
It forms overall.
Preferably, in the 5th stage, in resistance to plucking stake top construction bearing platform beam, uplift pile is connected, and constructs
Basement bottom board, each layer of basement of successively constructing then up.
Construction method proposed by the present invention can be existing building group former address lower part enlarging on a large scale the design of down space and
Construction method provides complete, reliable design and construction technique, can be to solve nervous land used, raising land utilization ratio, protecting
The problems such as building carries out underground space development in the case of not tearing open provides new resolving ideas.
Brief description of the drawings
Fig. 1 is supporting and underpins pile driving construction schematic diagram.
Fig. 2 is apron piece and sandwich wall beam construction schematic diagram.
Fig. 3 is the sectional view of sandwich wall Liang Chu in Fig. 2.
Fig. 4 is the cross sectional view of Fig. 2.
Fig. 5 is basement roof construction schematic diagram.
Fig. 6 successively constructs each layer schematic diagram of basement for sheltered reverse excavation.
Figure includes pattern foundation pit supporting structure 1, underpinned pile 2, basement bottom board absolute altitude uplift pile 3, apron piece 4, sandwich wall beam 5, bar planting
6, crab-bolt 7, pedestal foot brick foundation 8 under wall, outer cross wall 9, outer vertical wall 10, horizontal sandwich wall beam 11, longitudinal sandwich wall beam 12, underground ceiling
Plate 13, no vibrated concrete 14, basement bottom board 15.
Embodiment
Below in conjunction with the drawings and specific embodiments multi-layer underground sky is built to adding under a kind of existing building group proposed by the present invention
Between construction method be described in further detail.
First stage, should carry out building structure inspection, to the reliability of existing building to existing building at this stage
Proved and the bearing capacity of old structure is evaluated, and original building is reinforced according to evaluation result, make its structure strong
Degree can reach the requirement of subsequent construction.
Second stage：Please refer to Fig.1, underpinned pile 2 and uplift pile 3 use cast-in-situ bored pile, and underpinned pile 2 meets that main body is built
Build and each layer weight of basement, withdrawal resistance undertake by uplift pile 3 and in the anchor jacked pile that basement bottom board is constructed.For
The overstocked use for influencing the underground space of underpinned pile is avoided, 2 stake top absolute altitude of underpinned pile to basement roof, also serves as column and penetrate through each building
Layer, 3 stake top absolute altitude of uplift pile only at basement bottom board, underpinned pile bearing capacity calculation since basement bottom board is by lower part in terms of
Calculate.
Phase III：~ 4 are please referred to Fig.2, apron piece 4 is set in 2 stake top of underpinned pile, the apron piece is by each underpinned pile 2
Connect to form entirety, strengthen its globality, beneficial to load transmission.Indoor terrace is then abolished, carries out sandwich wall beam construction, i.e.,
Sandwich wall beam 5 is set in partition wall wall bottom both sides, partition wall wall bottom sets dabbing bar planting 6 at sandwich wall beam, using crab-bolt 7 connect partition wall and its
Both sides sandwich wall beam 5 connects.As shown in the figure, the sandwich wall beam includes the horizontal sandwich wall beam 11 for being arranged on outer 9 both sides of cross wall, and set
Longitudinal sandwich wall beam 12 of 10 both sides of wall is indulged outside, and transverse direction sandwich wall beam, longitudinal sandwich wall beam and the corresponding apron piece are combined shape
It is integral.In apron piece sandwich wall beam can be also served as close to partition wall position, apron piece 4.The less partition wall of subspan can use girder steel or
Ordinary reinforced concrete reinforces wall bottom as sandwich wall beam.More than ten meters larger of sandwich wall beam of horizontal span, can use type
The form of steel concrete beam or prestressed girder, so does and can be reduced with the depth of section of low conversion beam and excavated workload, and
Amount of deflection can be reduced.Pedestal foot brick foundation 8 under wall is finally cut, at this moment the load in house passes through wall bottom and the contact surface of sandwich wall beam
Shearing pass on sandwich wall beam, then pass on the apron piece of both sides, finally pass on each bored concrete pile, the completion of the step means to turn
Basically forming for layer is changed, substantially has been built up conversion beam --- underpinned pile（Column）Beam-column frame knot of both interactions
Structure stress system.
Fourth stage：Fig. 5 is refer to, after conversion beam has been constructed, the indoor carry out floor after terrace is abolished（Also serve as ground
Lower ceiling plate 13）Construction, floor face are located at below sandwich wall beam bottom.As the top plate for underpining component, poured using clay model or stock mould
Build, dig to designed elevation, native face is flattened and is tamped, pour one layer of 50mm thickness plain concrete cushion layer, brush one layer of interleaving agent,
Plate bed die plate.In many cases, same plate pours at twice, it should be noted that and stay and set overlap joint reinforcing bar, carry out treatment of construction joints, and
The patching of bottom plate.Under subsequent earth excavation to former base for post, should observe settling amount and " underpining component " have it is without exception.Really
After Dingan County is complete, then carry out the amputation on basis.The foot of a wall should be protected during amputation, forbids barbarous dismounting.Basement roof and top are held
The gap of platform beam and sandwich wall beam, it is real using 14 packing of no vibrated concrete, form it into entirety.
5th stage：Fig. 6 is refer to, basement is excavated is constructed using sheltered reverse excavation.In this stage, underground space shape
Into the load system of existing building is changed into pile foundation by pedestal foot brick foundation under wall.For column, underground first layer bottom plate is applied
Need binding column periphery reinforcing bar after the completion of work, and casting concrete is to form structural frames trestle.Therefore during foundation pit construction, beam column
Column need to be reserved at node and indulges muscle joint bar, reserved joint bar length presses earthquake-resistant structure detailing requiments.Layering is paid attention to during earth excavation
Excavate, the soil body in column both sides excavates at the same time, at any time precipitation, carries out settlement observation to agent structure at any time.Sheltered reverse excavation
For the prior art, details are not described herein.When construction is to basement bottom board, in resistance to plucking stake top construction bearing platform beam, subsequent construction ground
Lower room bottom plate.
In conclusion add the method for building multi-layer underground space under a kind of existing building group proposed by the present invention, by both
There is groups of building foundation to use to newly-increased basement structure and mutually tied with foundation pit supporting construction using overall Pile Underpinning Technology
The design and construction technology of conjunction technology, it is possible to achieve the purpose of extensive multi-storey basement is added below existing building group.
Claims (7)
1. add the construction method for building multi-layer underground space under a kind of existing building group, including following construction procedure：
First stage：Existing building is detected and is reinforced；
Second stage：Pattern foundation pit supporting structure, underpinned pile and resistance to plucking pile driving construction, underpin stake top absolute altitude to basement roof, uplift pile stake
Top mark up to basement bottom board；
Phase III：Apron piece and the construction of sandwich wall beam, and wall bottom foundation is cut, the load in house is passed through by sandwich wall beam
Wall bottom and the shearing of the contact surface of sandwich wall beam are passed on sandwich wall beam, then are passed on the apron piece of both sides, are finally passed on each underpinned pile,
Form beam-column framework stress system；
Fourth stage：Basement roof is constructed, and basement roof and pattern foundation pit supporting structure is poured into together, top plate is both used as structural slab
Also serve as the horizontal support of foundation pit, and formed together with basement roof poured with apron piece with sandwich wall beam overall；
5th stage：Sheltered reverse excavation is successively constructed each layer of basement.
2. adding the construction method for building multi-layer underground space under a kind of existing building group according to claim 1, its feature exists
In：On the basis of the first stage is by being detected and reinforcing to existing building, to the reliability of existing building
Proved and the bearing capacity of old structure is evaluated, and original building is reinforced according to evaluation result, make its structure strong
Degree can reach the requirement of subsequent construction.
3. adding the construction method for building multi-layer underground space under a kind of existing building group according to claim 1, its feature exists
In：The underpinned pile and resistance to plucking pile driving construction of the second stage, underpinned pile and uplift pile are cast-in-situ bored pile, and the underpinned pile is same
The permanent works stake of column and serviceability limit stage in Shi Zuowei Excavation Process, uplift pile and basement bottom board construct
Anchor jacked pile undertake withdrawal resistance.
4. adding the construction method for building multi-layer underground space under a kind of existing building group according to claim 1, its feature exists
In：The pattern foundation pit supporting structure of the second stage uses the form of interlocking pile, when conveniently having the groups of building lower part multiple foundation pits of enlarging shortly,
Multiple foundation pits are linked to be entirety by cutting interlocking pile, so that multiple basements be connected.
5. adding the construction method for building multi-layer underground space under a kind of existing building group according to claim 1, its feature exists
In：The phase III comprises the following steps：Apron piece is set underpining stake top first, by apron piece by each underpinned pile
Stake is linked to be entirety, then abolishes indoor terrace, carries out sandwich wall beam construction, and forms one with apron piece, finally cuts big under wall
Foot brick foundation is put, at this moment the load in house is passed on sandwich wall beam by the shearing of wall bottom and the contact surface of sandwich wall beam, then passes to two
On the apron piece of side, finally pass on each underpinned pile.
6. adding the construction method for building multi-layer underground space under a kind of existing building group according to claim 1, its feature exists
In：In the fourth stage, the gap between basement roof and top apron piece and sandwich wall beam, is filled out using no vibrated concrete
It is closely knit, form it into entirety.
7. adding the construction method for building multi-layer underground space under a kind of existing building group according to claim 1, its feature exists
In：In 5th stage, in resistance to plucking stake top construction bearing platform beam, uplift pile is connected, and basement bottom board of constructing, so
Upward each layer of basement of successively constructing afterwards.
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| CN201711040114.9A CN108005399A (en) | 2017-10-31 | 2017-10-31 | Add the construction method for building multi-layer underground space under a kind of existing building group |
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| CN201711040114.9A CN108005399A (en) | 2017-10-31 | 2017-10-31 | Add the construction method for building multi-layer underground space under a kind of existing building group |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024662A (en) * | 2018-07-19 | 2018-12-18 | 深圳市工勘岩土集团有限公司 | Method of the anchor pile underpinning without basement building underground space increasing layer |
| CN109056741A (en) * | 2018-08-17 | 2018-12-21 | 江苏东合南岩土科技股份有限公司 | The method for dismounting of lower layer's bracing members in multilayer bracing members |
| CN109653534A (en) * | 2019-02-18 | 2019-04-19 | 河北建筑设计研究院有限责任公司 | Set building club-footed pile strip footing straining beam and set building |
| CN109680978A (en) * | 2019-02-15 | 2019-04-26 | 深圳市市政工程总公司 | Basement increasing layer underpinning construction method |
| CN111021398A (en) * | 2019-12-25 | 2020-04-17 | 华东建筑设计研究院有限公司 | Existing building centralized underpinning structure and method for developing underground space |
| CN111236219A (en) * | 2020-01-14 | 2020-06-05 | 中煤江南建设发展有限公司 | Construction method for re-expanding basement pile |
| CN111335670A (en) * | 2020-03-18 | 2020-06-26 | 同济大学建筑设计研究院(集团)有限公司 | Method for constructing foundation pit and newly adding underground structure in situ under existing reserved building |
| CN112502464A (en) * | 2020-11-23 | 2021-03-16 | 上海建工二建集团有限公司 | Reverse construction method for extension basement under existing building |
| CN114134931A (en) * | 2021-11-22 | 2022-03-04 | 上海建工一建集团有限公司 | Reverse construction method for existing building development basement structure |
| CN114277807A (en) * | 2022-01-20 | 2022-04-05 | 中国建筑第八工程局有限公司 | Construction method for underground large-section transfer beam serving as pit-in-pit support |
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| CN101397852A (en) * | 2007-09-26 | 2009-04-01 | 上海市第二建筑有限公司 | Construction method for increasing to build multi-storey basement to original building |
| CN102127974A (en) * | 2011-04-18 | 2011-07-20 | 上海现代建筑设计(集团)有限公司 | Design and construction method of additional cellar under existing building |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024662A (en) * | 2018-07-19 | 2018-12-18 | 深圳市工勘岩土集团有限公司 | Method of the anchor pile underpinning without basement building underground space increasing layer |
| CN109056741A (en) * | 2018-08-17 | 2018-12-21 | 江苏东合南岩土科技股份有限公司 | The method for dismounting of lower layer's bracing members in multilayer bracing members |
| CN109680978A (en) * | 2019-02-15 | 2019-04-26 | 深圳市市政工程总公司 | Basement increasing layer underpinning construction method |
| CN109653534A (en) * | 2019-02-18 | 2019-04-19 | 河北建筑设计研究院有限责任公司 | Set building club-footed pile strip footing straining beam and set building |
| CN111021398A (en) * | 2019-12-25 | 2020-04-17 | 华东建筑设计研究院有限公司 | Existing building centralized underpinning structure and method for developing underground space |
| CN111236219A (en) * | 2020-01-14 | 2020-06-05 | 中煤江南建设发展有限公司 | Construction method for re-expanding basement pile |
| CN111335670A (en) * | 2020-03-18 | 2020-06-26 | 同济大学建筑设计研究院(集团)有限公司 | Method for constructing foundation pit and newly adding underground structure in situ under existing reserved building |
| CN112502464A (en) * | 2020-11-23 | 2021-03-16 | 上海建工二建集团有限公司 | Reverse construction method for extension basement under existing building |
| CN112502464B (en) * | 2020-11-23 | 2022-07-05 | 上海建工二建集团有限公司 | Reverse construction method for extension basement under existing building |
| CN114134931A (en) * | 2021-11-22 | 2022-03-04 | 上海建工一建集团有限公司 | Reverse construction method for existing building development basement structure |
| CN114134931B (en) * | 2021-11-22 | 2023-11-28 | 上海建工一建集团有限公司 | Reverse construction method for developing basement structure of existing building |
| CN114277807A (en) * | 2022-01-20 | 2022-04-05 | 中国建筑第八工程局有限公司 | Construction method for underground large-section transfer beam serving as pit-in-pit support |
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Application publication date: 20180508 |