CN203856227U - In-situ underground spatial structure of existing building - Google Patents
In-situ underground spatial structure of existing building Download PDFInfo
- Publication number
- CN203856227U CN203856227U CN201420131079.7U CN201420131079U CN203856227U CN 203856227 U CN203856227 U CN 203856227U CN 201420131079 U CN201420131079 U CN 201420131079U CN 203856227 U CN203856227 U CN 203856227U
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- existing building
- beam slab
- underground space
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- top layer
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- 238000011065 in-situ storage Methods 0.000 title abstract 3
- 239000002689 soil Substances 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 abstract description 24
- 238000009424 underpinning Methods 0.000 description 10
- 238000009412 basement excavation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000000717 retained effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model discloses an in-situ underground spatial structure of an existing building. The construction structure comprises a top floor beam-slab, a mid-floor beam-slab, a bottom plate, underpinned piles and retaining walls, wherein the top floor beam-slab is arranged below the existing building; underpinned pile holes are respectively reserved in the positions corresponding to the two sides of the original foundation structure of the existing building; the underpinned piles used for bearing the vertical load of the existing building are formed in the underpinned pile holes; the retaining walls are arranged on the two sides of the top floor beam-slab; the mid-floor beam-slab is arranged below the top floor beam-slab in a spaced manner; the bottom plate is arranged below the mid-floor beam-slab in a spaced manner; soil outlets are respectively reserved in the top floor beam-slab and the mid-floor beam-slab. According to the in-situ underground spatial structure of the existing building, the original foundation structure of the existing building is subjected to underground spatial development after being underpinned when the existing building cannot be displaced because the space is limited, so that the use space of the existing building is effectively increased, and the use function of the existing building is increased.
Description
Technical field
The utility model relates to existing building underground space development technical field, relates in particular to a kind of existing building original position underground space structure.
Background technology
Along with the acceleration of urbanization process, the existence of existing building stands more and more serious challenge just day by day.One of them more important reason is exactly the existing usage space deficiency of existing building, is difficult to meet people's life Production requirement.
In recent decades, researchers recognize gradually reasonable development, utilize the existing building underground space, make underground expanding space mutually coordinate with ground existing building, supplement, and are to solve the rare important way in existing building space.
But, because original place of a big chunk existing building is limited, be difficult to carry out again after existing building is removed the exploitation of the underground space.So, how can be in conjunction with the present situation of existing building, develop targetedly a set of existing building original position underground space structure, not only solve the problem of existing building insufficient space, also can carry out secondary development to it, greatly improve the use function of existing building.
Utility model content
The utility model for the existing usage space deficiency of existing building and place limited cannot be shifted after carry out again the technical problem of underground space development, a kind of existing building original position underground space structure is provided, in the situation that existing building cannot be shifted because place is limited, after being underpined, the former foundation structure of existing building carries out underground space development, effectively increase the usage space of existing building, improve the use function of existing building.
To achieve the above object, the utility model adopts following technical scheme:
A kind of existing building original position underground space structure, comprise top layer beam slab, middle building beam slab, base plate, underpinned pile and enclosure wall, described top layer beam slab is arranged at the below of existing building, two side positions of the former foundation structure of corresponding existing building reserved underpinned pile hole respectively on described top layer beam slab, in described underpinned pile hole, be formed for carrying the described underpinned pile of existing building vertical load, described enclosure wall is arranged at the both sides of described top layer beam slab, described middle building beam slab is arranged at intervals at the below of described top layer beam slab, described base plate is arranged at intervals at the below of described middle building beam slab, on described top layer beam slab and described middle building beam slab, reserve respectively soil outlet.
Preferably, in above-mentioned existing building original position underground space structure, do topotype by grooving on existing building terrace, the described top layer beam slab of the cast underground space.
Preferably, in above-mentioned existing building original position underground space structure, the degree of depth of base plate is dark described in the depth ratio of described enclosure wall, and the degree of depth of enclosure wall is dark described in the depth ratio of described underpinned pile.
Preferably, in above-mentioned existing building original position underground space structure, the part external wrapping concrete of described underpinned pile in the underground space.
The utility model utilizes the top layer beam slab of the underground space and the new foundation structure that underpinned pile forms, the former foundation structure of existing building is carried out to entirety to be underpined, the foundational system being transformed into after underpinning by the stress system (being foundation structure) of existing building is in new foundation structure, the foundational system of all loads that make existing building after by underpinning born, carry out again the construction of the shoveling of original place and underground construction, finally realize the exploitation to the existing building original position underground space.So, not only solve the problem of existing building insufficient space, also be that it has been carried out to secondary development, architectural culture is retained and structure function Synchronous lifting, original structure function and new usage space have been carried out to organic fusion, meet the different times people's demand, make existing building again become the bright spot in city.
Brief description of the drawings
Existing building original position underground space structure of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of the existing building original position underground space structure of the utility model one embodiment;
Fig. 2 is the structural representation of the step 1 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
Fig. 3 is the structural representation of the step 2 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
Fig. 4 is the structural representation of the step 3 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
Fig. 5 is the structural representation of the step 4 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
Fig. 6 is the structural representation of the step 5 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
Fig. 7 is the structural representation of the step 6 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
Fig. 8 is the structural representation of the step 7 of the construction method of the existing building original position underground space structure of the utility model one embodiment;
In figure, Bao Zhu after 1-existing building, the former foundation structure of 2-, 3-top layer beam slab, 4-underpinned pile, 5-enclosure wall, 6-shoveling face, 7-Zhong building beam slab, 8-base plate, 9-.
Detailed description of the invention
Below with reference to accompanying drawings the utility model is described in more detail, has wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize the beneficial effects of the utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
Central principle of the present utility model: utilize the top layer beam slab of the underground space and underpinned pile to underpin the former foundation structure of existing building is carried out to entirety, the foundational system of all loads that make existing building after by underpinning born, carry out again the construction of the shoveling of original place and underground construction, finally realize the exploitation to the existing building original position underground space, effectively increase the usage space of existing building, improve the use function of existing building.
Refer to Fig. 1, and incorporated by reference to Fig. 2 to Fig. 8, the present embodiment also provides a kind of existing building 1 original position underground space constructing structure, comprise top layer beam slab 3, middle building beam slab 7, base plate 8, underpinned pile 4 and enclosure wall 5, described top layer beam slab 3 is arranged at the below of existing building 1, two side positions of the former foundation structure 2 of corresponding existing building 1 reserved underpinned pile hole respectively on described top layer beam slab 3, in described underpinned pile hole, be formed for carrying the described underpinned pile 4 of existing building 1 vertical load, described enclosure wall 5 is arranged at the both sides of described top layer beam slab 3, described middle building beam slab 7 is arranged at intervals at the below of described top layer beam slab 3, described base plate 8 is arranged at intervals at the below of described middle building beam slab 7, on described top layer beam slab 3 and described middle building beam slab 7, reserve respectively soil outlet.The following factor of main consideration that arranges of the position of soil outlet: be conducive to the lifting of the soil body and transport, superstructure is not exerted an influence, meets place demand around etc.The new foundation structure that this existing building original position underground space structure utilizes top layer beam slab 3 and underpinned pile 4 to form is carried out entirety to the former foundation structure 2 of existing building 1 and is underpined, the foundational system that the stress system of existing building (being foundation structure) is transformed into after underpinning is in new foundation structure, the foundational system of the vertical load that makes existing building 1 after by underpinning born, carry out again the construction of the shoveling of original place and underground construction, finally realize the exploitation to the existing building 1 original position underground space.So, not only solve the problem of existing building 1 insufficient space, also be that it has been carried out to secondary development, architectural culture is retained and structure function Synchronous lifting, original structure function and new usage space have been carried out to organic fusion, meet the different times people's demand, make existing building 1 again become the bright spot in city.
Preferably, in above-mentioned existing building original position underground space structure, do topotype by grooving on existing building 1 terrace, the described top layer beam slab 3 of the cast underground space.
In order to strengthen globality and the rigidity of existing building 1, the thickness of the top layer beam slab 3 of the underground space suitably can be strengthened.
Preferably, in above-mentioned existing building original position underground space structure, the degree of depth of base plate 8 is dark described in the depth ratio of described enclosure wall 5, and the degree of depth of enclosure wall 5 is dark described in the depth ratio of described underpinned pile 4.
Preferably, in above-mentioned existing building original position underground space structure, the part external wrapping concrete of described underpinned pile 4 in the underground space, bag post 9 after forming.Part to underpinned pile 4 in the underground space is carried out external wrapping concrete processing, not only makes the bearing capacity of underpinned pile 4 strengthen, and can play the object of protection underpinned pile 4.
Please continue to refer to Fig. 1 to Fig. 8, the construction method of the existing building original position underground space structure of the present embodiment, comprises the steps:
Step 1, please specifically consult Fig. 2, according to former foundation structure 2 forms of existing building 1, on existing building 1 terrace, topotype is done in grooving, cast underground space top layer beam slab 3, meanwhile, reserve soil outlet according to existing building 1 ground floor space arrangement form at top layer beam slab 3, and in reserved underpinned pile hole, the both sides of former foundation structure 2.Described mulch film refers to the template of making underground space top layer beam slab 3 on terrace.The following factor of main consideration that arranges of the position of soil outlet: be conducive to the lifting of the soil body and transport, superstructure is not exerted an influence, meets place demand around etc.In order to strengthen globality and the rigidity of existing building 1, the thickness of the top layer beam slab 3 of the underground space suitably can be strengthened.
Step 2, please specifically consults Fig. 3, and construction underpinned pile 4, is transferred to the vertical load of existing building 1 on underpinned pile, completes foundation underpinning.The reserved underpinned pile hole place construction underpinned pile 4 in both sides of former foundation structure 2.
Step 3, please specifically consults Fig. 4, and construction diaphragm wall is as enclosure wall 5.
Step 4, please specifically consults Fig. 5, carries out the earthwork of underground space one deck and excavates, and adopt basin earthwork excavation method, and bed course is with digging with watering when excavation.When excavation, adopt basin earthwork excavation method, and bed course is with digging with watering, and can play to a certain extent the effect of controlling soil body lateral displacement.
Step 5, please specifically consults Fig. 6, carries out the casting and constructing of beam slab 7 steel concrete in building in the underground space, the reserved soil outlet of Bing Zhong building beam slab 7.
Step 6, please specifically consults Fig. 7, carries out two layers of soil excavation of the underground space, adopt basin earthwork excavation method, and bed course is with digging with watering when excavation.When excavation, adopt basin earthwork excavation method, and bed course is with digging with watering, and can play to a certain extent the effect of controlling soil body lateral displacement.
Step 7, please specifically consults Fig. 8, carries out the construction of underground space base plate 8.
Step 8, please specifically consults Fig. 1, and the part to underpinned pile 4 in the underground space is carried out external wrapping concrete processing, after forming, wraps post 9, simultaneously descends the shear wall construction of space structures.Part to underpinned pile 4 in the underground space is carried out external wrapping concrete processing, not only makes the bearing capacity of underpinned pile 4 strengthen, and can play the object of protection underpinned pile 4.
The present embodiment utilizes the top layer beam slab of the underground space and the new foundation structure of underpinned pile formation to carry out entirety to the former foundation structure of existing building and underpins, the foundational system that the stress system of existing building (being foundation structure) is transformed into after underpinning is in new foundation structure, the foundational system of the vertical load that makes existing building after by underpinning born, carry out again the construction of the shoveling of original place and underground construction, finally realize the exploitation to the existing building original position underground space.So, not only solve the problem of existing building insufficient space, also be that it has been carried out to secondary development, architectural culture is retained and structure function Synchronous lifting, original structure function and new usage space have been carried out to organic fusion, meet the different times people's demand, make existing building again become the bright spot in city.
In sum, the existing building original position underground space structure that the utility model provides, utilizing the top layer beam slab of the underground space and the new foundation structure of underpinned pile formation to carry out entirety to the former foundation structure of existing building underpins, the foundational system being transformed into after underpinning by the stress system (being foundation structure) of existing building is in new foundation structure, the foundational system of the vertical load that makes existing building after by underpinning born, carry out again the construction of the shoveling of original place and underground construction, finally realize the exploitation to the existing building original position underground space.So, not only having solved the problem of existing building insufficient space, is also that it has been carried out to secondary development, and architectural culture is retained and structure function Synchronous lifting, and original structure function and new usage space have been carried out organically melting
Close, meet the different times people's demand, make existing building again become the bright spot in city.
Claims (4)
1. an existing building original position underground space structure, it is characterized in that, comprise top layer beam slab, middle building beam slab, base plate, underpinned pile and enclosure wall, described top layer beam slab is arranged at the below of existing building, two side positions of the former foundation structure of corresponding existing building reserved underpinned pile hole respectively on described top layer beam slab, in described underpinned pile hole, be formed for carrying the described underpinned pile of existing building vertical load, described enclosure wall is arranged at the both sides of described top layer beam slab, described middle building beam slab is arranged at intervals at the below of described top layer beam slab, described base plate is arranged at intervals at the below of described middle building beam slab, on described top layer beam slab and described middle building beam slab, reserve respectively soil outlet.
2. existing building original position underground space structure according to claim 1, is characterized in that, does topotype by grooving on existing building terrace, the described top layer beam slab of the cast underground space.
3. existing building original position underground space structure according to claim 1, is characterized in that, the degree of depth of base plate is dark described in the depth ratio of described enclosure wall, and the degree of depth of enclosure wall is dark described in the depth ratio of described underpinned pile.
4. existing building original position underground space structure according to claim 1, is characterized in that, the part external wrapping concrete of described underpinned pile in the underground space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131079.7U CN203856227U (en) | 2014-03-21 | 2014-03-21 | In-situ underground spatial structure of existing building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131079.7U CN203856227U (en) | 2014-03-21 | 2014-03-21 | In-situ underground spatial structure of existing building |
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| Publication Number | Publication Date |
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| CN203856227U true CN203856227U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420131079.7U Expired - Lifetime CN203856227U (en) | 2014-03-21 | 2014-03-21 | In-situ underground spatial structure of existing building |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912134A (en) * | 2014-03-21 | 2014-07-09 | 上海建工四建集团有限公司 | Construction in-situ underground space structure and construction method |
| CN104453274A (en) * | 2014-11-25 | 2015-03-25 | 山东建筑大学 | Method for supporting underground layer increasing of existing building by supporting structure and underpinning structure |
| CN105625745A (en) * | 2016-03-11 | 2016-06-01 | 上海建工二建集团有限公司 | Eccentric exterior wall underpinning structure and method |
| CN106245927A (en) * | 2016-07-19 | 2016-12-21 | 山东建筑大学 | A kind of frame structure building underground that is applicable to increases method and the building of layer |
| CN108316670A (en) * | 2018-02-10 | 2018-07-24 | 建研地基基础工程有限责任公司 | Steel pipe underpinning construction method under a kind of existing construction foundation basis |
| CN110878562A (en) * | 2019-11-01 | 2020-03-13 | 同济大学建筑设计研究院(集团)有限公司 | Method for in-situ excavation of foundation pit and new addition of underground structure under existing reserved building |
-
2014
- 2014-03-21 CN CN201420131079.7U patent/CN203856227U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912134A (en) * | 2014-03-21 | 2014-07-09 | 上海建工四建集团有限公司 | Construction in-situ underground space structure and construction method |
| CN104453274A (en) * | 2014-11-25 | 2015-03-25 | 山东建筑大学 | Method for supporting underground layer increasing of existing building by supporting structure and underpinning structure |
| CN104453274B (en) * | 2014-11-25 | 2016-02-17 | 山东建筑大学 | Utilize supporting and protection structure and underpinning structure to support existing building underground and increase layer method |
| CN105625745A (en) * | 2016-03-11 | 2016-06-01 | 上海建工二建集团有限公司 | Eccentric exterior wall underpinning structure and method |
| CN106245927A (en) * | 2016-07-19 | 2016-12-21 | 山东建筑大学 | A kind of frame structure building underground that is applicable to increases method and the building of layer |
| CN106245927B (en) * | 2016-07-19 | 2018-06-01 | 山东建筑大学 | A kind of method and building suitable for frame structure building underground increasing layer |
| CN108316670A (en) * | 2018-02-10 | 2018-07-24 | 建研地基基础工程有限责任公司 | Steel pipe underpinning construction method under a kind of existing construction foundation basis |
| CN110878562A (en) * | 2019-11-01 | 2020-03-13 | 同济大学建筑设计研究院(集团)有限公司 | Method for in-situ excavation of foundation pit and new addition of underground structure under existing reserved building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |